深市指数样本定期调整12月15日正式实施

Group 1 - The Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. announced a periodic adjustment of sample stocks for various indices, including the Shenzhen Component Index and ChiNext Index, effective December 15, 2025 [1] - The Shenzhen Component Index will replace 17 sample stocks, adding 7 from the main board and 10 from the ChiNext board [1] - The ChiNext Index will replace 8 sample stocks, while the Shenzhen 100 Index will replace 7 sample stocks, with 4 from the main board and 3 from the ChiNext board [1] Group 2 - The Shanghai Stock Exchange also announced adjustments to the sample stocks of indices such as the SSE 50 and SSE 180, effective after market close on December 12, 2025 [1] - The SSE 50 Index will replace 4 sample stocks, the SSE 180 Index will replace 7 sample stocks, the SSE 380 Index will replace 38 sample stocks, and the Sci-Tech 50 Index will replace 2 sample stocks [1]