GateUser-cdeb1ffa

The U.S. stock market does not have a single index that covers all listed companies; instead, the “three major U.S. stock indexes” or “four major indexes” are used together to represent overall market performance. The main representative indexes of the U.S. stock market are the S&P 500 Index: covering the 500 largest publicly listed U.S. companies and accounting for approximately 80% of the total U.S. stock market capitalization, it is most commonly used as the true benchmark for the U.S. stock market. The Dow Jones Industrial Average (Dow Jones): composed of 30 large U.S. blue-chip companies,