Zheng Xing Xing Ye Ri Bao·2025-09-17 08:42Group 1 - The chemical products sector increased by 0.44% on September 17, with Brother Technology leading the gains [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] - Key stocks in the chemical products sector showed significant price increases, with Brother Technology rising by 10.02% to a closing price of 7.25 [1] Group 2 - The chemical products sector experienced a net inflow of 395 million yuan from institutional investors, while retail investors saw a net inflow of 166 million yuan [2] - Major stocks like Kai Mei Teqi and Brother Technology had substantial net inflows from institutional investors, with 707 million yuan and 323 million yuan respectively [3] - Retail investors showed a mixed response, with some stocks like Guangdong Hongda experiencing net outflows from retail investors [3]