s&p 500 etf

S&P 500 ETF: Invest in Top US Companies

Please Share This Blog!

The S&P 500 index is a key measure of the US stock market, with over $1 trillion in assets1. But how can you tap into its strength? S&P 500 exchange-traded funds (ETFs) are a great option. They let you invest in a mix of the 500 biggest and most stable US companies23. But, are these ETFs the best choice for you?

Key Takeaways

  • S&P 500 ETFs give you a piece of the 500 biggest publicly traded US companies
  • These ETFs offer diversification, low costs, and a chance for long-term growth
  • They mirror the S&P 500 index, a top US equity benchmark
  • Investing in S&P 500 ETFs is a simple way to be part of the US stock market’s growth
  • Knowing the pros, cons, and strategies for S&P 500 ETFs helps investors make smart choices

What is an S&P 500 ETF?

An S&P 500 ETF is a fund that tracks the S&P 500 Index. This index follows the top 500 U.S. companies by market value. It’s a key measure of the U.S. stock market’s health4. S&P 500 ETFs give investors a way to invest in the U.S. stock market with ease.

Definition and Overview

S&P 500 ETFs work by mimicking the S&P 500 Index. They hold stocks that match the index’s makeup and proportions. This method makes them a cost-effective way to invest in big U.S. companies4.

Tracking the S&P 500 Index

The main goal of an S&P 500 ETF is to mirror the S&P 500 Index’s performance. It does this by holding stocks in the same proportions as the index. This makes it easy for investors to get into the U.S. stock market4.

“S&P 500 ETFs provide investors with a diversified portfolio that tracks the overall performance of the U.S. stock market.”

S&P 500 ETFs are popular with both individual and institutional investors. They offer a way to invest in big U.S. companies affordably. These funds also provide diversification that’s hard to get with just a few stocks45.

Benefits of Investing in S&P 500 ETFs

Investing in S&P 500 ETFs brings many benefits. These funds offer instant diversification by covering 500 top U.S. companies across different sectors6. The index includes about 500 large U.S. companies, making up around 80% of the U.S. stock market’s value6.

Diversification

By choosing an S&P 500 ETF, investors spread their risk across the U.S. economy. This reduces the risk of losing money if one company does poorly. The index focuses on big companies, giving them more weight6.

Low-Cost Investing

S&P 500 ETFs are known for their low fees, making them a budget-friendly option7. The SPDR S&P 500 ETF Trust (SPY) is a cheap way to invest in the S&P 500 with a fee of 0.0945%7. This means investors keep more of their earnings, as high fees are avoided.

Long-Term Growth Potential

The S&P 500 index has a strong track record of long-term growth, making it a top choice for investors looking for growth7. From 1950 to 2023, the S&P 500 returned an average of 11.34% annually7. Starting with $10,000 in 2001 would have grown to about $55,331 by 20237. Over 20 years, the S&P 500 returned 8.06% a year with dividends reinvested, for a total gain of 409.13%7.

S&P 500 ETFs offer great benefits like diversification, low costs, and long-term growth. They are a strong choice for investors wanting to track the U.S. stock market passively768.

Top S&P 500 ETFs to Consider

S&P 500 exchange-traded funds (ETFs) are a top pick for investing in the biggest U.S. companies. These9 funds are cheap and give you a piece of the 500 biggest companies. They cover about 80% of the world’s market value9. Look into the SPDR S&P 500 ETF Trust (SPY), the Vanguard S&P 500 ETF (VOO), and the iShares Core S&P 500 ETF (IVV).

SPDR S&P 500 ETF Trust (SPY)

The SPDR S&P 500 ETF Trust (SPY) is a giant in the S&P 500 ETF world, with a huge10 daily trading volume. It started in 199310 and has a small expense ratio of 0.0945%9. This makes it a budget-friendly choice for investors.

Vanguard S&P 500 ETF (VOO)

The Vanguard S&P 500 ETF (VOO) is also a favorite, with a tiny expense ratio of 0.03%9. It has returned 15.2% over the last five years10. Vanguard is known for its low-cost funds, and VOO tracks the S&P 500 index well11. It also offers an Annual Dividend Yield of 1.57%11.

iShares Core S&P 500 ETF (IVV)

The iShares Core S&P 500 ETF (IVV) is even bigger than SPY9. It also has a low expense ratio of 0.03%9. This makes it a great deal for investors11. The iShares Core S&P 500 ETF (IVV) has an Expense Ratio of 0.03%11.

These well-known, affordable S&P 500 ETFs let investors easily get into the 500 biggest U.S. companies. They offer a mix of diversification and growth over the long term.

“A fund’s expense ratio can significantly impact a long-term investor’s total returns.”11

ETF Expense Ratio AUM (Billion) 30-Day Avg. Daily Volume 5-Year Annualized Return
SPDR S&P 500 ETF (SPY) 0.0945% N/A 80,884,133 N/A
Vanguard S&P 500 ETF (VOO) 0.03% N/A N/A 15.2%
iShares Core S&P 500 ETF (IVV) 0.03% N/A N/A N/A
SPDR Portfolio S&P 500 ETF (SPLG) 0.02% 18.3 N/A N/A

These top S&P 500 ETFs give investors a chance to invest in the big companies of the S&P 500 index. They are a smart way to be part of the U.S. stock market’s growth11109.

Core vs. Tactical S&P 500 ETFs

Investors can pick between core and tactical S&P 500 ETFs12. Core ETFs aim to mirror the S&P 500 index closely. They have low costs, from 0.02% to 0.0945%, making them a budget-friendly choice12.

Tactical S&P 500 ETFs use different strategies to possibly beat the S&P 500 index12. These funds might focus on specific sectors or value/growth stocks. They often cost more, between 0.04% to 0.20%, but might do better in certain markets12.

When choosing between core and tactical ETFs, think about your goals and how much risk you can take12. Core ETFs are simple and track the index well. Tactical ETFs might offer higher returns through active management12.

There are also ETFs that aim to protect your investments from falling too much13. These iShares buffer ETFs can shield your money from 100% loss over a year or 5% loss each quarter13. They’re good for long-term plans or as a short-term strategy13.

In Canada, many investors and advisors prefer core ETFs, which hold almost half of all ETF assets14. These ETFs are cheap, cover a wide market, and are great for long-term investing14. With over 1,300 ETFs in Canada, core ETFs are key for building diverse portfolios14.

“Evaluating factors such as strategy, expense ratios, holdings, and performance is important when considering an S&P 500 ETF investment.”

The choice between core and tactical ETFs depends on your goals, how much risk you can handle, and if you want active management. Knowing the differences helps you pick the right ETF for your financial goals121314.

s&P 500 etf: Index Funds vs. ETFs

Investors have two options when looking at the S&P 500: index funds and ETFs. Each has its own benefits, especially in liquidity and how much you need to invest15.

Liquidity

ETFs are more liquid than index funds. You can trade them during the day, just like stocks, so you can buy or sell anytime15. Index funds, however, are only traded once a day after the market closes. This is important for investors who need quick access to their money or want to jump on market opportunities15.

Minimum Investment Requirements

ETFs usually have lower investment minimums than index funds15. This makes them easier for people with less money to invest. You can buy ETF shares without having to invest a lot, unlike index funds which have a higher minimum15.

Choosing between index funds and ETFs depends on what you need from your investment. ETFs are great for those who want quick trading and flexibility. Index funds are better for those who prefer a simple, hands-off approach15. Both can be good for investors who want to invest in the S&P 500 without actively managing their investments15.

Feature Index Funds ETFs
Liquidity Traded once per day Traded throughout the day
Minimum Investment Higher minimum investment Lower minimum investment
Expenses
  • Expense ratios can be less than 0.05% per year16
  • May have sales fees (loads)17
  • Expense ratios can be less than 0.05% per year16
  • May have explicit costs like commissions and operating expense ratios, as well as implicit costs like bid/ask spreads17
Tax Efficiency
  • May have higher tax costs due to more frequent trading17
  • Generally more tax-efficient than actively managed funds17

The table shows the main differences between index funds and ETFs. It helps investors choose based on their investment needs and preferences16.

Both index funds and ETFs are good for investors who want to invest in the S&P 500 passively. The choice between them depends on your trading needs, investment strategy, and what you prefer15.

“Both ETFs and index funds have historically performed well, with varying costs that should be compared before deciding where to invest.”16

How to Choose the Right S&P 500 ETF

When picking an S&P 500 ETF, it’s important to look at several key factors. These include the fund’s expense ratios, how easy it is to trade, and when it started. These factors help make sure your investment meets your goals and how much risk you can take.

Expense Ratios

Expense ratios are the yearly fees the fund charges. They’re a big deal when choosing an S&P 500 ETF. Funds with lower fees can give you better returns over time. This is because you keep more of your investment gains18.

For example, the Vanguard S&P 500 ETF (VOO) has a low expense ratio of 0.035%. This is lower than the SPDR S&P 500 ETF Trust (SPY), which has a 0.095% expense ratio18.

Liquidity Considerations

Liquidity is key when picking an S&P 500 ETF. It means how easy it is to buy and sell shares. This is crucial when the market is unstable19. An ETF should have at least $10 million in assets to show it’s popular and liquid19.

The spread between the bid and ask prices shows how liquid an ETF is. This spread is smaller for ETFs with more trading19.

Fund Inception Date

The start date of a fund can tell you a lot about an S&P 500 ETF. Older funds like the SPDR S&P 500 ETF Trust (SPY), started in 1993, have seen many market changes18. Newer funds, like the Vanguard S&P 500 ETF (VOO), started in 2010, might not have as long a history but still offer good investment chances18.

Looking at expense ratios, liquidity, and start dates helps investors find the right S&P 500 ETF. This way, they can meet their investment goals and manage risk well, increasing their chances of success over time.

s&p 500 etf

ETF Expense Ratio Liquidity Inception Date
SPDR S&P 500 ETF Trust (SPY) 0.095% Very High 1993
Vanguard S&P 500 ETF (VOO) 0.035% High 2010
iShares Core S&P 500 ETF (IVV) 0.03% High 2000

20

Asset Allocation and Portfolio Diversification

Investing in S&P 500 ETFs is key to a diverse portfolio21. These funds give you a broad view of large U.S. stocks. This helps with asset allocation and diversification21. They can be the main part of your portfolio, mixed with other investments for a full range of assets21. This mix can lower risk and boost your investment returns over time21.

There are many ETF options available21. They offer low-cost ways to invest in different asset classes21. The most common ETFs follow the S&P 500 Index and other big benchmarks. This gives investors a stake in top U.S. companies21. ETFs are cheaper than mutual funds and are more liquid and transparent, trading like stocks all day2122.

When putting together a diverse portfolio, think about asset allocation. It greatly affects how well your investments do21. Studies show that asset allocation is key to returns, more than picking stocks or the right time to invest21. To keep your portfolio in balance, check and adjust your ETF mix yearly or after big market changes22.

A diverse portfolio might also include ETFs focused on specific sectors, international markets, or commodities2122. These add more variety to your investments, making your portfolio even more diverse22.

Adding S&P 500 ETFs to your investment plan offers a cost-effective way to get into the U.S. large-cap equity market2122. This strategy can help manage risk and aim for long-term success2122.

“Asset allocation is the most important decision an investor can make.” – David Swensen, Chief Investment Officer at Yale University

Risks of Investing in S&P 500 ETFs

S&P 500 ETFs have many benefits but also come with risks. Market risk, or the risk of the stock market going down, is a big one. These ETFs track the broad market, so they can be affected by it23. They also have concentration risk, meaning a few big companies can greatly affect the fund’s performance24.

Market Risk

The S&P 500 index is a big part of the U.S. stock market. So, S&P 500 ETFs move with the market25. If the market drops, these ETFs will likely drop too. This is a key thing to think about when planning your investments.

Concentration Risk

S&P 500 ETFs also face concentration risk. A few big companies can greatly affect the fund’s performance24. For instance, the top five companies in the S&P 500 make up 22% of its value24. This means their performance can really sway the ETF’s returns.

The S&P 500 index is very concentrated, which can be risky for investors24. To lessen these risks, make sure your S&P 500 ETF investments are part of a diverse portfolio. Include other asset classes and sectors to lower your risk.

“Strategies like the Cabot Undervalued Stocks Advisor and the Cabot Turnaround Letter focus on attractively valued stocks with healthy fundamentals to counter risks associated with S&P 500 investments.”

Tax Considerations for S&P 500 ETFs

Investors in S&P 500 ETFs need to think about taxes. These funds can make money from capital gains and dividends26. Even though ETFs are more tax-efficient than mutual funds, it’s important to know the tax effects of these investments27. This knowledge can help investors plan better.

The tax rules for an S&P 500 ETF depend on its type26. Open-end funds and others have long-term gains taxed at 20%, and short-term gains taxed at 37%26. Some have different tax rules, like no capital gains tax or a mix of rates26. Knowing these details helps investors make smart tax-smart choices.

International investors in U.S.-listed S&P 500 ETFs also have to think about taxes26. In the U.K., taxes can add up to about 25%26. Irish investors might pay a total of 40% due to U.S. and U.K. taxes.

ETFs are known for being tax-efficient27. They often have low turnover, which means less capital gains for investors27. But, active management can increase these gains28. Investors should also think about taxes when investing in ETFs from different countries26.

Knowing about taxes for S&P 500 ETFs is key for investors who want to save on taxes28. By understanding these tax rules, investors can make better choices. This can improve their investment’s long-term success.

Strategies for Investing in S&P 500 ETFs

The S&P 500 ETF is a top choice for many investors. Two key strategies to think about are lump-sum investing and dollar-cost averaging29.

Lump-Sum Investing

Lump-sum investing means putting a big amount of money into an S&P 500 ETF at once. It’s good for investors with a long-term view who think the market will go up29. Putting a lot in upfront could lead to big gains, thanks to the S&P 500’s 11.28% average return from 1950 to 202329.

Dollar-Cost Averaging

Dollar-cost averaging is about adding small amounts of money to an S&P 500 ETF regularly. This method helps reduce the effects of market ups and downs. It’s great for those with a long-term view, as it averages out market changes29.

Choosing between lump-sum and dollar-cost averaging depends on your risk level, how long you plan to invest, and your financial situation29. Both methods can help grow your wealth over time by investing in the S&P 500 index.

“Consistent long-term returns have been a hallmark of the S&P 500, with an average annual return of 11.28% from 1950 to 2023.”29

Investors should think about their goals, how much risk they can handle, and their investment timeline. This helps pick the best strategy for their S&P 500 ETF investments. Knowing the pros and cons of each strategy helps investors make smart choices for their financial goals293031.

Historical Performance of S&P 500 ETFs

The S&P 500 ETFs have shown strong performance over the years. Over five years, they’ve gained over 50% despite tough times during the pandemic and market ups and downs in 202232. This shows the strength and stability of the U.S. stock market, which the S&P 500 index reflects.

The S&P 500 can go up and down short-term but has been steady long-term33. Since its start, it has averaged a 9.90% annual return. From 1957 to 2023, the average return was 10.26%33. Adjusted for inflation, its average annual return is about 6.37%33.

Many investors choose S&P 500 ETFs for their growth potential in the U.S. stock market. These funds give a broad view of the biggest companies in the U.S. They have shown steady returns over time, through good and bad market cycles34.

“The S&P 500 has a long history of outperforming other market indexes, making it a popular choice for long-term investors seeking to capture the growth of the U.S. economy.”

The performance of S&P 500 ETFs can change based on the fund and the time frame. The SPDR S&P 500 ETF Trust has averaged a 13.05% annual return since 201333. This steady performance has made S&P 500 ETFs key for many investors.

In summary, the history of S&P 500 ETFs highlights the value of investing in large-cap U.S. stocks. These funds offer exposure to the growth and stability of the U.S. economy. They are a key part of a well-rounded investment plan343332.

Top 25 Companies in the S&P 500 Index

The top 25 companies in the S&P 500 index are the biggest and most important firms in the index35. They cover various sectors, like tech giants, financial leaders, and healthcare giants.

Technology Giants

At the front are tech giants like Microsoft Corporation, with a 7.37% share36. Apple Inc. is close behind with a 6.87% stake36. Amazon.com Inc. and Meta Platforms, Inc. also make the list, with shares of 3.89% and 2.40% respectively36.

Financial Sector Leaders

The financial sector is big in the top 25 S&P 500 companies. JPMorgan Chase & Co. and Berkshire Hathaway Inc. lead the way. They help shape the index’s performance and give investors a look into the financial services industry37.

Healthcare Powerhouses

Healthcare is a big part of the S&P 500, with names like UnitedHealth Group Inc. and Eli Lilly and Company at the top35. These companies boost the index’s performance and offer investors a chance to tap into the healthcare industry’s growth37.

The success of these companies greatly affects the S&P 500 index’s returns and the ETFs that mirror it35. For those looking to invest in the biggest U.S. companies, the SPDR S&P 500 ETF Trust (SPY) is a good choice37.

“The S&P 500 is a market capitalization-weighted index, meaning the performance of the largest companies in the index can have a significant impact on the overall returns.”

Conclusion

S&P 500 ETFs are a simple and affordable way to invest in the 500 biggest U.S. companies. They offer quick diversification, low-cost passive investing, and the chance for long-term growth. This makes them a top pick for both new and seasoned investors38. The SPDR S&P 500 ETF Trust (SPY) has seen an average yearly return of more than 10% since it started38. It now handles a massive $537.18 billion in assets38.

Knowing the pros, cons, and strategies of S&P 500 ETFs helps investors make smart choices. They can add these funds to a balanced investment portfolio39. The tracking errors of S&P sector ETFs differ, with Technology and Real Estate showing the biggest errors. Consumer Discretionary and Consumer Staples had the smallest39. Things like expense ratios, liquidity, and dividend income are key to how well S&P 500 ETFs perform40.

The S&P 500 index keeps giving strong long-term returns. S&P 500 ETFs are a top choice for long-term investing and spreading out risk. By using these funds, investors can lay a solid base for their financial future.

FAQ

What is an S&P 500 ETF?

An S&P 500 ETF tracks the S&P 500 Index. This index follows the top 500 U.S. companies by market value. It gives investors a way to invest in the U.S. stock market with ease.

What are the benefits of investing in S&P 500 ETFs?

S&P 500 ETFs offer many benefits. They provide instant diversification and are affordable. They also offer the chance for long-term growth by tracking the U.S. stock market.

What are some of the top S&P 500 ETFs to consider?

Top S&P 500 ETFs include the SPDR S&P 500 ETF Trust (SPY), Vanguard S&P 500 ETF (VOO), and iShares Core S&P 500 ETF (IVV). These funds are big, liquid, and have low costs. They closely follow the index’s performance.

What is the difference between core and tactical S&P 500 ETFs?

Core S&P 500 ETFs aim to mirror the index closely. Tactical funds use different strategies or focus on certain sectors. The choice depends on your investment goals and how much risk you can take.

How do S&P 500 ETFs differ from index funds?

ETFs can be traded all day like stocks, offering more liquidity. Index funds are priced once a day. ETFs also usually have lower investment minimums than mutual funds.

What factors should investors consider when choosing an S&P 500 ETF?

Look at expense ratios, liquidity, and the fund’s start date. These factors show its performance history and how it handled different markets.

How can S&P 500 ETFs fit into a diversified investment portfolio?

S&P 500 ETFs add large-cap U.S. stocks to your portfolio. This helps with asset allocation and diversification.

What are the risks associated with investing in S&P 500 ETFs?

Risks include market risk and concentration risk. The top stocks in the index can greatly affect its performance.

What tax considerations should investors be aware of when investing in S&P 500 ETFs?

These funds can lead to capital gains and dividend income. This can affect your taxes.

What are some investment strategies for S&P 500 ETFs?

Consider lump-sum investing or dollar-cost averaging. Your choice depends on your risk level, time horizon, and financial situation.

What is the historical performance of S&P 500 ETFs?

Over five years, S&P 500 ETFs have given strong returns. This includes during the pandemic and market ups and downs in 2022.

What are the top 25 companies in the S&P 500 index?

The top 25 companies include tech giants, financial leaders, and healthcare giants. Their performance greatly affects the S&P 500 index and ETFs that track it.

Source Links

  1. Best S&P 500 ETFs July 2024 – https://www.usatoday.com/money/blueprint/investing/best-sp-500-etfs/
  2. The 8 Best S&P 500 ETFs Of July 2024 – https://www.forbes.com/advisor/investing/best-sp-500-etfs/
  3. Vanguard S&P 500 ETF – https://www.investopedia.com/articles/investing/121814/look-vanguards-sp-500-etf.asp
  4. How to Choose an S&P 500 ETF – https://www.investopedia.com/articles/investing/090414/sp-500-etfs-what-every-investor-should-know.asp
  5. Top S&P 500 ETFs for July 2024: SPY, VOO and More – NerdWallet – https://www.nerdwallet.com/article/investing/sp-500-etfs
  6. How to Invest in the S&P 500 in 2024 – NerdWallet – https://www.nerdwallet.com/article/investing/how-to-invest-in-sp500
  7. Put $10,000 in the S&P 500 ETF and Wait 20 Years – https://www.investopedia.com/articles/personal-finance/022216/put-10000-sp-500-etf-and-wait-20-years.asp
  8. Why You Should Consider Investing in S&P 500 Companies in 2022 – https://www.ml.com/articles/investing-in-sp-500-companies.html
  9. Best S&P 500 ETFs May 2024 – https://www.gobankingrates.com/investing/funds/best-sp-500-etf/
  10. Best Index Funds In July 2024 | Bankrate – https://www.bankrate.com/investing/best-index-funds/
  11. Top S&P 500 ETF – https://www.investopedia.com/investing/top-sp-500-etfs/
  12. Best S&P 500 ETFs June 2024 – https://www.aol.com/finance/5-best-p-500-etfs-182920588.html
  13. Expanding your options for downside protection | BlackRock – https://www.blackrock.com/us/financial-professionals/insights/ishares-buffer-etfs
  14. Three ways to use core ETFs in your portfolio – https://www.rbcgam.com/en/ca/learn-plan/types-of-investments/three-ways-to-use-core-etfs-in-your-portfolio/detail
  15. Index Fund vs. ETF: What’s the Difference? – https://www.investopedia.com/ask/answers/033015/whats-difference-between-index-fund-and-etf.asp
  16. Index Fund vs. ETF: What’s the Difference? – NerdWallet – https://www.nerdwallet.com/article/investing/etf-vs-index-fund-compare
  17. ETF vs. Mutual Fund: It Depends on Your Strategy – https://www.schwab.com/learn/story/etf-vs-mutual-fund-it-depends-on-your-strategy
  18. SPY Vs. VOO: How These S&P 500 ETFs Stack Up For Retirement Investing – https://www.forbes.com/sites/investor-hub/article/spy-vs-voo-which-sp-500-etf-best/
  19. How to Choose an ETF – https://www.investopedia.com/articles/exchangetradedfunds/08/etf-choose-best.asp
  20. How to Choose an ETF | Fidelity – https://www.fidelity.com/learning-center/investment-products/etf/choose-right-etf
  21. Building an All-ETF Portfolio – https://www.investopedia.com/articles/exchangetradedfunds/11/building-an-etf-portfolio.asp
  22. Building a Diversified All-ETF Portfolio: A Comprehensive Guide – https://finhabits.com/building-a-diversified-all-etf-portfolio-a-comprehensive-guide/
  23. What Are ETF Risks? – Fidelity – https://www.fidelity.com/learning-center/investment-products/etf/risks-with-etfs
  24. Your S&P 500 Index Fund Has Higher Risk Than You May Think – https://www.cabotwealth.com/daily/stock-market/sp-500-index-fund-higher-risk
  25. How To Invest in the S&P 500 – https://www.investopedia.com/ask/answers/how-can-i-buy-sp-500-fund/
  26. PDF – https://www.bnymellon.com/content/dam/bnymellon/documents/pdf/emea/tax-considerations-for-etfs.pdf
  27. How mutual funds & ETFs are taxed | Vanguard – https://investor.vanguard.com/investor-resources-education/taxes/how-mutual-funds-etfs-are-taxed
  28. ETFs and Taxes: What You Need to Know – https://www.schwab.com/learn/story/etfs-and-taxes-what-you-need-to-know
  29. How to invest in the S&P 500: a beginner’s guide for 2024 – https://www.stash.com/learn/how-to-invest-in-sp500-2/
  30. S&P 500 ETFs: 7 Ways to Play the Index – https://www.kiplinger.com/investing/etfs/603260/sp-500-etfs
  31. The S&P 500 keeps beating Wall Street’s fancy investment strategies: ‘In simplicity there is beauty’ – https://fortune.com/2024/06/22/sp500-index-fund-outperformance-equity-etf-bonds-diversification-investment-strategies/
  32. SPDR S&P 500 ETF Trust (SPY) Stock Historical Prices & Data – Yahoo Finance – https://finance.yahoo.com/quote/SPY/history/
  33. S&P 500 Average Return and Historical Performance – https://www.investopedia.com/ask/answers/042415/what-average-annual-return-sp-500.asp
  34. SPDR S&P 500 ETF Trust (SPY) Performance History – Yahoo Finance – https://finance.yahoo.com/quote/SPY/performance/
  35. The Top 25 Stocks in the S&P 500 – https://www.investopedia.com/ask/answers/08/find-stocks-in-sp500.asp
  36. S&P 500 Companies by Weight – https://www.slickcharts.com/sp500
  37. Top 25 Stocks in the S&P 500 by Index Weight Right Now – https://finance.yahoo.com/news/top-25-stocks-p-500-161144848.html
  38. SPY ETF: The SPDR S&P 500 ETF Trust and What It Holds – https://www.investopedia.com/articles/investing/122215/spy-spdr-sp-500-trust-etf.asp
  39. Analysis of S&P 500 Sector ETFs – https://aquila.usm.edu/cgi/viewcontent.cgi?article=1638&context=honors_theses
  40. What Are S&P 500 ETFs And Why Are They Popular Products? – https://thesimplesum.com/what-are-sp-500-etfs-and-why-are-they-popular-products/