2. The market index refers to Shanghai's "Shanghai Composite Index" and Shenzhen's "Shenzhen Stock Exchange Index".
The Shanghai Composite Index is referred to as the "Shanghai Composite Index" for short, and its sample stocks are all listed stocks, including A shares and B shares, reflecting the changes in the prices of listed stocks on the Shanghai Stock Exchange. It was officially released on July 199 15.
Shenzhen Composite Index is a weighted composite stock price index compiled by Shenzhen Stock Exchange, which takes all the stocks listed on Shenzhen Stock Exchange as the calculation range and the circulation as the weight.