Zheng Xing Xing Ye Ri Bao·2025-09-22 08:47Group 1 - The chemical pharmaceutical sector increased by 0.22% on September 22, with Sunflower leading the gains [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] - Notable gainers in the chemical pharmaceutical sector included Sunflower, which rose by 19.96% to a closing price of 5.95, and Frontier Biotech, which increased by 5.84% to 15.76 [1] Group 2 - The sector experienced a net outflow of 1.368 billion yuan from institutional investors, while retail investors saw a net inflow of 908 million yuan [2] - Major stocks with significant net inflows from retail investors included Sunflower, which had a net inflow of 55.9352 million yuan [3] - Conversely, stocks like Hengrui Medicine experienced a net outflow of 62.0948 million yuan from retail investors [3]