Group 1 - The CRO concept stocks experienced a partial surge, with Lingkang Pharmaceutical (603669) hitting the daily limit up [1] - Baicheng Pharmaceutical (301096), Kangpeng Technology, Zhaoyan New Drug (603127), and Kailaiying (002821) also saw increases [1]

Group 1 - The A-share market opened with the Shanghai Composite Index down by 0.04% [1] - The Shenzhen Component Index opened down by 0.09% [1] - The ChiNext Index opened down by 0.16% [1] - CRO concept stocks led the decline in the market [1]