Zheng Xing Xing Ye Ri Bao·2026-01-12 09:05Market Overview - The biopharmaceutical sector experienced a slight decline of 0.06% on January 12, with Sanofi leading the drop [1] - The Shanghai Composite Index closed at 4165.29, up 1.09%, while the Shenzhen Component Index closed at 14366.91, up 1.75% [1] Stock Performance - Notable gainers in the biopharmaceutical sector included: - Dongbao Biological (300239) with a closing price of 6.60, up 10.92% and a trading volume of 575,100 shares, totaling 366 million yuan [1] - Changchun High-tech (000661) closed at 103.57, up 5.79%, with a trading volume of 169,400 shares, totaling 1.725 billion yuan [1] - ST Weiming (002581) closed at 7.83, up 4.96%, with a trading volume of 71,500 shares, totaling 54.3049 million yuan [1] - Conversely, significant decliners included: - Sanofi (688336) closed at 59.81, down 6.25%, with a trading volume of 93,200 shares, totaling 560 million yuan [2] - Teva Biopharma (688278) closed at 76.96, down 4.50%, with a trading volume of 41,600 shares, totaling 323 million yuan [2] - Aidi Pharmaceutical (688488) closed at 16.90, down 4.41%, with a trading volume of 98,600 shares, totaling 168 million yuan [2] Capital Flow - The biopharmaceutical sector saw a net outflow of 240 million yuan from institutional investors, while retail investors contributed a net inflow of 272 million yuan [2] - Key stocks with significant capital flow included: - Changchun High-tech (000661) had a net inflow of 122 million yuan from institutional investors, while retail investors saw a net outflow of 77.57 million yuan [3] - Dongbao Biological (300239) experienced a net inflow of 22.51 million yuan from institutional investors, with retail investors also seeing a net outflow of 10.81 million yuan [3] - Sanofi (688336) had a net inflow of 21.21 million yuan from institutional investors, while retail investors had a net inflow of 28.87 million yuan [3]