s&p 500
Standard & Poor's 500 — a stock market index tracking the 500 largest publicly traded companies in the United States.
Example
“Most actively managed funds fail to beat the S&P 500 over the long term.”
Memory Tip
S&P 500 = the 500 biggest US companies. A snapshot of the entire US stock market.
Why It Matters
The S&P 500 serves as a key benchmark for measuring overall stock market health and economic performance in the United States. For individual investors, tracking the S&P 500 helps you understand whether your own investment returns are beating or lagging the broader market, which directly impacts your long-term wealth building and retirement planning.
Common Misconception
Many people believe that owning S&P 500 index funds means they own all 500 companies equally or that the index weights each company the same way. In reality, the index is weighted by market capitalization, so larger companies like Apple and Microsoft have significantly more influence on the index movement than smaller companies in the list.
In Practice
If you invested $10,000 in an S&P 500 index fund in January 2020 and held it through December 2021, your investment would have grown to approximately $13,400 due to the index rising roughly 34 percent over that period. This real example shows how buying a simple index fund tracking the S&P 500 provided solid returns without requiring you to pick individual stocks or pay high fees to a financial advisor.
Etymology
Standard & Poor's is the financial services company that created it. 500 refers to the 500 companies tracked.
Common Misspellings
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Related Terms
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See Also
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