Zheng Xing Xing Ye Ri Bao·2025-10-30 08:28Market Overview - The chemical products sector experienced a decline of 0.57% on the trading day, with Boyuan Co., Ltd. leading the losses [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Stock Performance - Notable gainers in the chemical products sector included: - Hangzhou Oxygen Plant Co., Ltd. (002430) with a closing price of 29.52, up 9.99% and a trading volume of 494,700 shares, totaling 1.43 billion yuan [1] - Pioneer New Materials (300163) closed at 4.93, up 6.94% with a trading volume of 1,542,200 shares, totaling 759 million yuan [1] - Jinrongzi (002407) closed at 26.50, up 6.26% with a trading volume of 2,445,100 shares, totaling 6.408 billion yuan [1] - Major decliners included: - Boyuan Co., Ltd. (301617) closed at 94.00, down 7.66% with a trading volume of 78,600 shares, totaling 763 million yuan [2] - Jinhua New Materials (920015) closed at 58.33, down 7.29% with a trading volume of 132,100 shares, totaling 810 million yuan [2] - Poly United (002037) closed at 10.10, down 6.13% with a trading volume of 247,400 shares, totaling 254 million yuan [2] Capital Flow - The chemical products sector saw a net outflow of 933 million yuan from institutional investors, while retail investors contributed a net inflow of 665 million yuan [2] - The capital flow for specific stocks indicated: - Hangzhou Oxygen Plant Co., Ltd. had a net inflow of 1.52 billion yuan from institutional investors, while retail investors had a net outflow of 948.96 million yuan [3] - Yongtai Technology (002326) experienced a net inflow of 1.25 billion yuan from institutional investors, with a net outflow of 2.22 billion yuan from retail investors [3] - Yahua Group (002497) had a net inflow of 1.08 billion yuan from institutional investors, while retail investors saw a net outflow of 657.87 million yuan [3]