恒生生物科技指数及恒生港美生物科技指数的编算方法调整

Group 1 - The Hang Seng Biotechnology Index will undergo updates in its calculation methodology, including new requirements for the Stock Connect trading eligibility and modifications to the selection criteria [1] - The number of constituent stocks in the Hang Seng Biotechnology Index will be fixed at 30 [1] - The listing history requirement will be removed, and a rapid inclusion mechanism will be introduced [1] Group 2 - The Hang Seng Hong Kong-US Biotechnology Index will also see updates, with the number of constituent stocks fixed at 40 [1]