The Shenzhen Component Index, the ChiNext Index, the Shenzhen 100 Index, and the ChiNext 50 Index and other Shenzhen market indices will undergo regular sample adjustments, which will officially take effect on December 15th.

Recently, the Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. issued an announcement stating that, according to the index compilation rules, regular adjustments will be made to Shenzhen Component Index, ChiNext Index, Shenzhen 100, and ChiNext 50 and other Shenzhen market indexes. This adjustment will be officially implemented on December 15, 2025. The Shenzhen Component Index will replace 17 sample stocks, with 7 from main board companies and 10 from ChiNext companies; ChiNext Index will replace 8 sample stocks; Shenzhen 100 will replace 7 sample stocks, with 4 from main board companies and 3 from ChiNext companies; ChiNext 50 will replace 5 sample stocks. After this adjustment, the strategic emerging industry weight in ChiNext Index will be 93%, with a year-on-year increase of 13% in R&D expenses for the first three quarters, and R&D expenses accounting for 5% of operating income. Among the 30 sample companies, R&D intensity exceeds 10%. The new quality blue-chip attributes of Shenzhen 100 are more prominent, with the strategic emerging industry weight increasing to 81%, and the weight of key areas such as advanced manufacturing, digital economy, and green low-carbon rising to 79%. The strategic emerging industry weight in ChiNext 50 reaches 98%, with the new generation information technology industry represented by artificial intelligence, chips, and optical modules accounting for 45%.