生物制品板块9月16日跌0.41%，艾迪药业领跌，主力资金净流出7.08亿元

Market Overview - The biopharmaceutical sector experienced a decline of 0.41% on September 16, with Aidi Pharmaceutical leading the drop [1] - The Shanghai Composite Index closed at 3861.87, up 0.04%, while the Shenzhen Component Index closed at 13063.97, up 0.45% [1] Individual Stock Performance - Notable declines in individual stocks include: - Wenchang Pharmaceutical (688488) down 3.29% to 14.99 - Wanze Shares (000534) down 2.54% to 16.10 - Changchun High-tech (000661) down 2.33% to 123.85 - Nossland (430047) down 2.16% to 25.82 - Sangh Bio (688336) down 2.12% to 53.55 [1] Capital Flow Analysis - The biopharmaceutical sector saw a net outflow of 708 million yuan from institutional investors, while retail investors contributed a net inflow of 446 million yuan [3] - Key capital flows for selected stocks include: - Kangchen Pharmaceutical (603590) with a net inflow of 20.01 million yuan from institutional investors - ST Weiming (002581) showing a significant net inflow of 3.73 million yuan from retail investors [3]