Hong Kong-listed pharmaceutical stocks weakened again in the afternoon, with Sinopharm (02096.HK) falling more than 6%, Antengene (06996.HK) falling more than 5%, Fosun Pharma (02196.HK) and 3SBio (01530.HK) both falling more than 3%, and CSPC Pharmaceutical Group (01093.HK) falling more than 2.6%.