Hong Kong stocks opened, the Hang Seng Index opened up 0.06%, and the Tech Index opened up 0.07%. Mirxes-B (02629.HK) rose 24.5% on its first day of listing, and Hengrui Medicine (01276.HK) rose 29.4% on its first day of listing. China National Health Group (00673.HK) resumed trading today and rose more than 50%.