Zheng Xing Xing Ye Ri Bao·2026-01-20 08:51Market Overview - The electronic chemicals sector experienced a decline of 0.64% on January 20, with Tiantong Co., Ltd. leading the drop [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] Stock Performance - Notable gainers in the electronic chemicals sector included: - Xilong Science (002584) with a closing price of 10.10, up 10.02% and a trading volume of 1.2381 million shares, totaling 1.206 billion yuan [1] - Jianghuai Microelectronics (603078) closed at 23.56, up 9.99% with a trading volume of 37,200 shares, totaling 87.6188 million yuan [1] - Kaihua Materials (920526) closed at 28.82, up 7.86% with a trading volume of 57,400 shares, totaling 161 million yuan [1] - Major decliners included: - Tiantong Co., Ltd. (600330) closed at 11.45, down 9.98% with a trading volume of 1.0922 million shares, totaling 1.277 billion yuan [2] - Guoci Materials (300285) closed at 31.16, down 7.29% with a trading volume of 578,800 shares, totaling 184.2 million yuan [2] - Tiancheng Technology (688603) closed at 87.39, down 6.37% with a trading volume of 47,000 shares, totaling 417 million yuan [2] Capital Flow - The electronic chemicals sector saw a net outflow of 580 million yuan from institutional investors, while retail investors contributed a net inflow of 125 million yuan [2] - Notable capital flows included: - Xilong Science (002584) had a net inflow of 270 million yuan from institutional investors, but a net outflow of 99.1879 million yuan from retail investors [3] - Feikai Materials (300398) recorded a net inflow of 121 million yuan from institutional investors, with a slight outflow from retail investors [3] - Jianghuai Microelectronics (603078) had a significant net inflow of 48.3217 million yuan from institutional investors, but faced outflows from both retail and speculative investors [3]