The S&P 500 is a stock index that tracks the share prices of 500 of the largest public companies in the U.S. Learn how it works, what companies are in it, how it's calculated and how it compares to other indexes.

Learn what the S&P 500 is, how it works, and how to invest in it. The S&P 500 is a broad-based stock market index that tracks the 500 largest U.S. public companies and serves as a proxy for the economy and investor sentiment.

Learn what the S&P 500 is, how it works, and why it matters for the U.S. economy. Find out the criteria, calculation, and history of the index that tracks 500 of the largest publicly traded companies.

The S&P 500 is a stock market index that measures the performance of 500 large U.S. companies across 11 sectors. Learn how it works, what companies are included, and how to invest in it.

The S&P 500 is a stock market index that represents the top 500 U.S. companies by market capitalization. It is a widely followed indicator of investor sentiment, economic health, and global exposure, and offers various investment opportunities for different risk profiles and goals.

The S&P 500 is a stock index that tracks the performance of 500 large U.S. companies, weighted by their market caps. It is widely regarded as the best indicator of how the U.S. stock market is doing and can be used as a benchmark for portfolio evaluation.

The S&P 500 is a market-capitalization-weighted stock market index that tracks the stock performance of about 500 of some of the largest U.S. public companies. Investors and...

The S&P 500 is a collection of about 500 of the largest publicly traded companies in the U.S., representing 80 percent of the total value of all stocks. Learn how to get into the index, what are the largest stocks, and how the index has performed over time.