Group 1 - The Hang Seng Innovation Drug Index and the Hang Seng Hong Kong Stock Connect Innovation Drug Index have undergone a composition adjustment effective from August 11 [1] - The new calculation method excludes companies primarily engaged in the CXO industry, including Contract Research Organizations (CRO), Contract Manufacturing Organizations (CMO), and Contract Development and Manufacturing Organizations (CDMO) [1] - The adjustment introduces a requirement for Southbound trading connectivity, meaning only stocks that meet the Hong Kong Stock Connect criteria can be included, enhancing investment convenience [1] Group 2 - The Hang Seng Innovation Drug Index will maintain a fixed number of 40 constituent stocks, with eligible securities selected based on their relevance to innovative drug business [1] - The adjustment reflects the latest development trends in the Hong Kong innovative drug sector, providing investors with a more precise market benchmark [1] - The changes also indicate a trend of deeper integration between the capital markets of the two regions as the connectivity mechanism continues to improve [1]