Market Overview - The biopharmaceutical sector experienced a decline of 0.57% on October 22, with Aopumai leading the drop [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Stock Performance - Notable gainers in the biopharmaceutical sector included: - Wendi Pharmaceutical (688488) with a closing price of 14.77, up 4.01% [1] - Dongbao Bio (300239) at 5.78, up 2.66% [1] - Jinke (688670) at 17.03, up 2.59% [1] - Major decliners included: - Aopumai (688293) at 55.19, down 4.40% [2] - Wofu Bio (300357) at 31.63, down 3.18% [2] - Sanofi (688336) at 59.60, down 2.39% [2] Capital Flow - The biopharmaceutical sector saw a net outflow of 192 million yuan from institutional investors, while retail investors contributed a net inflow of 53.82 million yuan [2] - Specific stock capital flows included: - Te Bao Bio (688278) with a net inflow of 19.00 million yuan from institutional investors [3] - Hualan Bio (002007) with a net inflow of 12.05 million yuan from institutional investors [3] - Aopumai (688293) with a net outflow of 4.40% from institutional investors [3]