Here's how much the benchmark index has returned every year since 1928.
By Adam Levy – Updated Mar 17, 2025 at 11:48PM
Key Points
- S&P 500 tracks top 500 U.S. companies, offering a benchmark for portfolio performance.
- Investing in S&P 500 index funds links directly to the components' collective performance.
- Historical data on annual returns aids investors in anticipating portfolio growth trends.
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