DAYANG BIOTECH(SZ:003017) Zheng Xing Xing Ye Ri Bao·2025-07-29 08:33Market Overview - The chemical raw materials sector experienced a slight decline of 0.07% on July 29, with Dalian Bio leading the losses [1] - The Shanghai Composite Index closed at 3609.71, up 0.33%, while the Shenzhen Component Index closed at 11289.41, up 0.64% [1] Top Performers - ST Yatai (000691) closed at 6.21, up 4.19% with a trading volume of 251,100 shares and a turnover of 154 million yuan [1] - Zhenhua Co. (603067) closed at 14.38, up 3.16% with a trading volume of 226,400 shares and a turnover of 319 million yuan [1] - Boyuan Chemical (000683) closed at 6.07, up 2.36% with a trading volume of 1,405,900 shares and a turnover of 828 million yuan [1] Underperformers - Dalian Bio (003017) closed at 30.10, down 4.51% with a trading volume of 130,100 shares and a turnover of 391 million yuan [2] - Zhongyida (600610) closed at 12.91, down 3.22% with a trading volume of 562,000 shares and a turnover of 723 million yuan [2] - Yaxing Chemical (618009) closed at 7.06, down 2.22% with a trading volume of 145,500 shares and a turnover of 10.2 million yuan [2] Capital Flow - The chemical raw materials sector saw a net outflow of 634 million yuan from institutional investors, while retail investors contributed a net inflow of 549 million yuan [2] - The top stock in terms of net inflow from institutional investors was Sanyou Chemical (600409) with a net inflow of 34.57 million yuan [3] - Dalian Bio (003017) had a net inflow of 31.83 million yuan from institutional investors, despite overall losses [3]