SPX500The SPX500, or S&P 500, is a major stock market index that tracks the performance of 500 of the largest publicly traded companies in the United States. It includes companies from various sectors, making it a key benchmark for the overall U.S. economy. The index is widely used by investors to gauge market trends and economic health. With a mix of tech giants, financial institutions, healthcare firms, and industrial leaders, the SPX500 is known for its stability and long-term growth potential.