Zheng Xing Xing Ye Ri Bao·2025-09-22 08:46Market Performance - The electronic chemicals sector rose by 2.06% on September 22, with Weiteou leading the gains [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] Top Gainers - Weiteou (301319) closed at 42.08, with a significant increase of 19.99% and a trading volume of 158,600 shares, amounting to a transaction value of 633 million [1] - Other notable gainers include: - Siquan New Materials (301489) at 267.98, up 11.75% [1] - Dinglong Co., Ltd. (300054) at 35.10, up 5.69% [1] - Nanda Optoelectronics (300346) at 37.72, up 4.63% [1] Market Capital Flow - The electronic chemicals sector saw a net inflow of 15.1 million from institutional investors, while retail investors experienced a net outflow of 24.2 million [2] - The sector's overall capital flow indicates a mixed sentiment among different investor types [2] Individual Stock Capital Flow - Nanda Optoelectronics (300346) had a net inflow of 25.2 million from institutional investors, while retail investors saw a net outflow of 23.1 million [3] - Zhongshi Technology (300684) experienced a net inflow of 15.8 million from institutional investors, with retail investors facing a net outflow of 16.4 million [3] - Shanghai Xinyang (300236) had a net inflow of 43.1 million from institutional investors, while retail investors saw a net outflow of 62.9 million [3]