On December 11, the main stock indices of the Chinese stock market will adjust the composition of some sample stocks, involving the Shanghai, Shenzhen, and North stock exchanges. On the Shanghai market side: Shanghai Stock Exchange 50, Shanghai Securities 180, Shanghai and Shenzhen 300, China Securities 500, China Securities 1000, etc., some samples of index changes; on the Shenzhen market side: some samples of indices such as the Shenzhen Stock Exchange Index, GEM Index, and Shenzhen Stock Exchange 100; on the Beijing Stock Exchange side: Eligible Beijing Stock Exchange securities will, in principle, have the opportunity to be included in the China Securities Full Index sample space in the future. At the same time, the sample stocks and alternative lists of the Beijing Securities 50 Index will be adjusted. (CCTV News)