生物制品板块8月25日涨1.91%，康泰生物领涨，主力资金净流出3.89亿元

Group 1 - The biopharmaceutical sector increased by 1.91% on August 25, with Kangtai Biological leading the gains [1] - The Shanghai Composite Index closed at 3883.56, up 1.51%, while the Shenzhen Component Index closed at 12441.07, up 2.26% [1] Group 2 - In terms of capital flow, the biopharmaceutical sector experienced a net outflow of 389 million yuan from institutional investors and a net outflow of 237 million yuan from speculative funds, while retail investors saw a net inflow of 626 million yuan [2]