When the Hong Kong stock market opened, the Hang Seng Index opened up 0.32%, and the Tech Index opened down 0.02%; AIA Group (01299.HK) and WH Group (00288.HK) both rose by more than 3%, Chow Tai Fook (01929.HK) rose by more than 2.3%, WuXi Biologics (02269.HK) fell nearly 33%, and NetEase (09999.HK) fell nearly 2%.