A股CRO概念板块午后再度拉升，成都先导早盘涨停，美迪西、海特生物涨超14%，昭衍新药、益诺思、阳光诺和、康龙化成、普蕊斯等跟涨。

Group 1 - The A-share CRO (Contract Research Organization) sector experienced a significant rally in the afternoon, with notable stocks such as Chengdu Xian Dao hitting the daily limit up [1] - MediXy and Hite Bio both surged over 14%, indicating strong investor interest and market momentum [1] - Other companies in the sector, including Zhaoyan New Drug, Yinuosi, Sunshine Nuohe, Kanglong Huacheng, and Puris, also saw positive gains, reflecting a broader trend in the CRO market [1]