Hong Kong stocks fluctuate | Leading gainers in the CRO concept sector. WuXi Biologics (02269.HK) rises more than 7%, Kanglong Chemical (03759.HK) rises nearly 6%

According to the smart financial APP, CRO concept stocks were among the top gainers. As of the time of publication, CStone Pharmaceuticals (06821.HK) rose by 8.06% to 73.7 Hong Kong dollars; WuXi Biologics (02269) rose by 7.69% to 25.2 Hong Kong dollars; Kanglong Chemical (03759) rose by 5.79% to 14.98 Hong Kong dollars; and WuXi AppTec (02359) rose by 3.77% to 68.85 Hong Kong dollars.