CRO concept stocks collectively rose in early tradingevolutiongamingroulette, WuXi AppTec (02359) rose 6evolutiongamingroulette.41%evolutiongamingroulette, reported 42evolutiongamingroulette35 Hong Kong dollars; Kingsirui Biotechnology (01548) rose 4.36% to HK$12.46; Kanglong Chemical (03759) rose 4.20% to HK$11.42; WuXi Biotech (02269) rose 3.54% to HK$14.64.