Hong Kong-listed pharmaceutical outsourcing concept stocks fluctuated and strengthened, with Joinn Laboratories (06127.HK), WuXi Biologics (02269.HK), and Viva Biotech (01873.HK) all rising by more than 3%, while Tigermed (03347.HK), WuXi AppTec (02359.HK), and Asymchem Laboratories (06821.HK) all rose by more than 2.5%.