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S&P 500 Index Stocks

All 500 companies in the S&P 500 index, representing ~80% of U.S. market capitalization. Compare prices, valuations, dividends, and performance.

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About the S&P 500 Index

The S&P 500 is the most widely followed U.S. stock market index, tracking 500 large-cap companies that represent approximately 80% of total U.S. market capitalization. It's market-cap-weighted, meaning larger companies like Apple and Microsoft have greater influence on performance.

Index Details

  • Constituents: 500 companies
  • Weighting: Market-cap weighted
  • Inception: March 4, 1957
  • Rebalancing: Quarterly

Popular ETFs

  • SPY: SPDR S&P 500
  • VOO: Vanguard S&P 500
  • IVV: iShares Core S&P 500
  • Expense: As low as 0.03%

Sector Breakdown

  • Technology (~28-30%)
  • Healthcare (~13-15%)
  • Financials (~11-13%)
  • Consumer Discretionary (~10-12%)
  • Communication Services (~8-10%)
  • Industrials (~8-9%)
  • Consumer Staples (~6-7%)
  • Energy (~4-5%)
  • Utilities, Real Estate, Materials (~2-3% each)

Historical Performance

  • Average annual return: ~10% including dividends
  • Dividend yield: ~1.5-2%
  • Volatility: ~15% annualized

Frequently Asked Questions About the S&P 500

What is the S&P 500?

The S&P 500 is a stock market index tracking 500 of the largest U.S. publicly traded companies. It represents approximately 80% of total U.S. market capitalization and is widely considered the best single gauge of U.S. large-cap equity performance.

How can I invest in the S&P 500?

The most common way to invest in the S&P 500 is through index ETFs: SPY (SPDR S&P 500), VOO (Vanguard S&P 500), or IVV (iShares Core S&P 500). These ETFs track the index with expense ratios as low as 0.03%, making them cost-effective for long-term investors.

How many stocks are in the S&P 500?

The S&P 500 contains 500 leading U.S. companies selected by the S&P Index Committee based on market capitalization, liquidity, and sector representation. The index is market-cap weighted, meaning larger companies like Apple and Microsoft have greater influence on performance.

What is the average annual return of the S&P 500?

The S&P 500 has delivered an average annual return of approximately 10% including dividends over its history. The index currently yields approximately 1.5-2% in dividends with annualized volatility of about 15%. Past performance does not guarantee future results.