Zheng Xing Xing Ye Ri Bao·2025-08-22 08:39Core Insights - The chemical pharmaceutical sector experienced a rise of 0.48% on August 22, with Duori Pharmaceutical leading the gains [1] - The Shanghai Composite Index closed at 3825.76, up 1.45%, while the Shenzhen Component Index closed at 12166.06, up 2.07% [1] Stock Performance - Duori Pharmaceutical (301075) closed at 45.48, with an increase of 8.54% and a trading volume of 98,000 shares, amounting to a transaction value of 426 million [1] - Maiwei Biological (688062) saw a closing price of 39.22, up 7.10%, with a trading volume of 194,300 shares, totaling 749 million [1] - Lifan Pharmaceutical (003020) closed at 38.48, increasing by 6.68%, with a trading volume of 153,200 shares, resulting in a transaction value of 584 million [1] - Other notable performers included Tonghua Jinma (000766) with a 6.03% increase and Qianhong Pharmaceutical (002550) with a 5.52% increase [1] Fund Flow Analysis - The chemical pharmaceutical sector saw a net outflow of 1.428 billion from institutional investors, while retail investors contributed a net inflow of 1.492 billion [2] - The table of fund flows indicates that Qianhong Pharmaceutical (002550) had a net inflow of 157 million from institutional investors, while it experienced a net outflow of 44.058 million from speculative funds [3] - Other companies like Lijun Group (000513) and Xianju Pharmaceutical (002332) also showed varying net inflows and outflows from different investor categories [3]