
Market Overview - The chemical pharmaceutical sector increased by 0.39% on September 25, with Aosaikang leading the gains [1] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] Top Gainers in Chemical Pharmaceutical Sector - Aosaikang (002755) closed at 23.28, up 10.02% with a trading volume of 126,300 shares and a turnover of 286 million [1] - Guangshengtang (300436) closed at 121.57, up 9.37% with a trading volume of 235,500 shares and a turnover of 2.802 billion [1] - Naimi Technology (688690) closed at 27.99, up 6.02% with a trading volume of 94,700 shares and a turnover of 26.1 million [1] Top Losers in Chemical Pharmaceutical Sector - Mengke Pharmaceutical (688373) closed at 8.61, down 10.96% with a trading volume of 717,800 shares [2] - Borui Pharmaceutical (688166) closed at 66.41, down 8.40% with a trading volume of 239,000 shares [2] - Haichen Pharmaceutical (300584) closed at 57.90, down 5.95% with a trading volume of 103,000 shares [2] Capital Flow Analysis - The chemical pharmaceutical sector experienced a net outflow of 858 million from institutional investors, while retail investors saw a net inflow of 538 million [2] - The top stocks by net inflow from institutional investors included Guangshengtang with 325 million and Aosaikang with 97.5934 million [3] - Retail investors showed significant interest in Aosaikang, with a net outflow of 66.8017 million [3]