S&P 500 nyse -nasdaq

S&P 500 (Standard & Poor’s 500) is the leading stock market index in the United States, maintained by S&P Dow Jones Indices and headquartered in New York. The index tracks the performance of 500 large-cap companies listed primarily on the NYSE and Nasdaq, spanning sectors such as technology, healthcare, financials, consumer discretionary, and industrials. Its composition reflects the breadth and depth of the U.S. economy while including many multinational firms with significant global operations. The S&P 500 serves as the primary benchmark for U.S. equities and plays a pivotal role in shaping investment sentiment and portfolio strategies across global markets.