it should be said to be neutral.

because the company's fundamentals have not changed, but after the corresponding index is transferred, the relevant index foundation will adjust its position and buy the stock. In this respect, it should be regarded as good.

Shenzhen Component Index (SZSECOMPONENTINDEX) is the main stock index of Shenzhen Stock Exchange. It is a stock price index that is compiled by selecting 5 representative listed companies as sample shares according to certain standards, taking the number of free-floating shares of sample shares as the weight and adopting the Paige weighting method. Based on July 2, 1994, the base point is 1 points. Since May 2, 215, in order to better reflect the structural characteristics of Shenzhen market and meet the needs of further market development, Shenzhen Stock Exchange has expanded the number of Shenzhen Stock Exchange's sample shares from 4 to 5, so as to fully reflect the operating characteristics of Shenzhen market. In order to ensure the objectivity and fairness of the sample of constituent stocks, the constituent stocks do not engage in tenure. The Shenzhen Stock Exchange regularly inspects the representativeness of constituent stocks, promptly replaces companies with reduced representativeness, and selects more representative companies. Of course, the changes will not be too frequent. Regular adjustment of sample stocks is scheduled to be implemented on the first trading day of January and July each year. Usually, the sample adjustment plan is announced in advance on the first trading day of the second full trading week in December of the previous year and June of that year.

The Shanghai and Shenzhen 3 Index is a financial index jointly issued by the Shanghai and Shenzhen Stock Exchanges on April 8, 25, which reflects the compilation target and operation status of the Shanghai and Shenzhen 3 Index, and can be used as an evaluation standard of investment performance, providing basic conditions for indexed investment and innovation of index derivative products. Launched in 1998-the first research scheme of Shanghai Stock Exchange in 21-the coordination of Shanghai and Shenzhen Stock Exchanges by CSRC-the realization of * * * knowledge in 23-the detailed design-was officially launched on April 8, 25.

where there is a market, there is an index. In 1991, Shanghai Stock Exchange and Shenzhen Composite Index were born. In 1992, Shanghai Stock Exchange A-share and Shanghai Stock Exchange B-share indexes were successively launched. From 1995 to 24, Shenzhen Stock Exchange and Shanghai Stock Exchange successively launched Shenzhen Stock Exchange Index, Shanghai Stock Exchange 18 Index (formerly known as Shanghai Stock Exchange 3 Index), Shenzhen Stock Exchange 1 Index, Juchao 1 Index and Shanghai Stock Exchange 5 Index. The China stock market index system has made great breakthroughs and progress under the promotion of Shanghai and Shenzhen Stock Exchanges. In the stock markets of major developed countries in the world today, the indexes that are widely accepted by investors and can represent market changes are basically constituent stock indexes. However, experts in the industry pointed out that China's existing index system is not enough to meet the investment demand of the market, and the market urgently needs some index products covering the Shanghai and Shenzhen stock markets.