Group 1 - The Hang Seng Index Company announced the renaming of the Hang Seng Information Technology Index to the Hang Seng Semiconductor Industry Theme Index, effective November 7, 2025 [1] - The calculation method of the index will be updated, including changes to the index objectives, stock selection criteria, industry requirements, stock selection methods, weighting methods, and weight limits [1] - The number of constituent stocks in the Hang Seng Semiconductor Industry Theme Index will be fixed at 40, with a reduction from 45 to 33 stocks, adding 11 new stocks including China Electronics Huada Technology and Suzhou Beike Microelectronics [1] Group 2 - 23 stocks will be removed from the index, including China Civil Aviation Information Network and Tencent Holdings [1]