SUNSTONE(SH:603612) Zheng Xing Xing Ye Ri Bao·2025-09-17 08:42Market Overview - On September 17, the non-metal materials sector experienced a slight decline of 0.1%, with Suotong Development leading the drop [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] Stock Performance - Notable gainers in the non-metal materials sector included: - Changjiang Materials: closed at 24.29, up 2.58% with a trading volume of 83,400 shares and a turnover of 201 million yuan [1] - Dongfang Xiayuan: closed at 12.88, up 1.18% with a trading volume of 27,800 shares and a turnover of 35.7 million yuan [1] - Ningxin New Materials: closed at 17.49, up 1.10% with a trading volume of 63,600 shares and a turnover of 111 million yuan [1] - Conversely, Suotong Development saw a significant decline, closing at 26.90, down 2.39% with a trading volume of 245,300 shares and a turnover of 662 million yuan [2] Capital Flow - The non-metal materials sector experienced a net outflow of 45.6455 million yuan from institutional investors, while retail investors saw a net inflow of 8.4459 million yuan [2] - The capital flow for specific stocks showed: - Changjiang Materials had a net inflow of 15.8210 million yuan from institutional investors [3] - Suotong Development faced a substantial net outflow of 61.0257 million yuan from institutional investors [3]