CRO指数震荡下行，圣诺生物、泓博医药跌幅居前

Group 1 - The CRO index experienced fluctuations and a downward trend on November 4th [1] - Among the constituent stocks, Shengnuo Bio, Hongbo Pharmaceutical, and Chengdu XianDao had the largest declines, with decreases of 3.80%, 3.79%, and 3.53% respectively [1]