A股CRO概念多股低开，药明康德、泰格医药跌超7％

Group 1 - The A-share CRO sector experienced a decline, with major companies like WuXi AppTec and Tigermed dropping over 7% [1] - Kanglong Chemical fell by more than 5%, while other firms such as Zhaoyan New Drug, Mediso, and Hengrui Medicine also saw declines [1]