S&P 500

The S&P 500 is a major U.S. stock market index that tracks 500 large publicly traded companies. In simple terms, it shows how many of the biggest U.S. companies are performing as a group. The S&P 500 is important because investors often use it as a broad snapshot of the U.S. stock market. When the S&P 500 rises, it usually means many large U.S. companies are doing well or investors are feeling more confident. For example, companies like Apple, Microsoft, Nvidia, Amazon, and Meta are included in the S&P 500. The S&P 500 is not the same as the entire economy. It tracks large public companies, so it does not directly represent small businesses, private companies, or every worker’s financial situation.