It is understood that the abbreviation of S&P 500 Index is a stock index that records 500 listed companies in the United States, and the companies it covers are listed companies in major exchanges in the United States, such as the New York Stock Exchange and the Nasdaq Stock Exchange.

The S&P 500 index contains many companies with diversified risks, which can better reflect the broader market changes. In addition, the position of the S&P 500 US stock market is equivalent to the domestic Shanghai and Shenzhen 300 Index.