Nov 20, 2025 · Learn about the S&P 500, which is a market-cap weighted index of 500 major U.S. companies and an essential benchmark for stock market performance and economic health.

S&P 500 (Standard and Poor's 500) [6] is a stock market index tracking the stock performance of 500 leading companies listed on stock exchanges in the United States.

Mar 27, 2025 · The S&P 500 is a broad-based stock market index, consisting of 500 of some of the largest U.S. public companies.

Feb 28, 2025 · The S&P 500 ® Index is a market capitalization–weighted index of 500 common stocks chosen for market size, liquidity, and industry group representation to represent US …

Oct 23, 2025 · Learn what the S&P 500 Index is, why it matters for investors, and how to invest wisely to build a diversified portfolio with long-term growth potential.

Introduction to the S&P. The term S&P refers primarily to the S&P 500, one of the most well-known and widely followed stock market indices in the world. But what does the S&P really …

Aug 21, 2024 · The S&P 500, also known as the Standard & Poor’s 500 index, is one of the world’s most commonly followed stock market (equity) indices.

Apr 9, 2025 · The Standard & Poor’s 500 index, or S&P 500, is perhaps the world’s most well-known stock index. The index contains about 500 of the largest publicly traded companies in …

Apr 16, 2025 · Unlike some other indexes that include only a handful of stocks, the S&P 500 covers about 80% of the total U.S. stock market capitalization. It’s a market-capitalization …

Nov 22, 2025 · Investing in the S&P 500 offers a diversified and accessible opportunity to capture the market’s potential. The S&P 500 index comprises the 500 largest companies across …