Group 1 - The Shanghai and Shenzhen 300 Pharmaceutical Health Index decreased by 0.3% at midday, while the CSI Biotech Theme Index fell by 0.4%, the CSI Innovative Drug Industry Index dropped by 0.6%, the CSI Hong Kong Stock Connect Pharmaceutical Health Comprehensive Index declined by 1.3%, and the Hang Seng Hong Kong Stock Connect Innovative Drug Index decreased by 1.6% [1][2][3] - The Hang Seng Innovative Drug ETF (159316) saw a net subscription of 14 million units during the half-day trading session [1][2] Group 2 - The Hang Seng Innovative Drug Index focuses on leading innovative drug companies in Hong Kong, consisting of no more than 40 stocks involved in innovative drug research, development, and production [2] - The CSI Hong Kong Stock Connect Pharmaceutical Health Comprehensive Index targets leading companies in the Hong Kong medical and health sector, comprising 50 stocks from medical devices, biopharmaceuticals, and chemical drugs [2] - The CSI Innovative Drug Industry Index concentrates on leading innovative drug companies in A-shares, made up of no more than 50 stocks primarily engaged in innovative drug research and development [2] - The CSI Biotech Theme Index focuses on leading biotech companies in A-shares, including no more than 50 stocks involved in gene diagnostics, biopharmaceuticals, and blood products [2]