Zheng Xing Xing Ye Ri Bao·2025-10-27 08:25Market Overview - The optical and optoelectronic sector increased by 0.73% on October 27, with Dongtianwei leading the gains [1] - The Shanghai Composite Index closed at 3996.94, up 1.18%, while the Shenzhen Component Index closed at 13489.4, up 1.51% [1] Top Performers - Dongtianwei (301183) closed at 113.96, rising by 12.72% with a trading volume of 151,200 shares [1] - Chen Zhan Optoelectronics (003019) closed at 36.87, up 8.86% with a trading volume of 135,200 shares [1] - Ge Bi Jia (920438) closed at 40.42, increasing by 7.67% with a trading volume of 74,400 shares [1] - Su Da Wei Ge (300331) closed at 35.35, up 6.16% with a trading volume of 310,800 shares [1] Decliners - Ying Fei Te (300582) closed at 15.49, down 4.03% with a trading volume of 96,200 shares [2] - Wei Xin Nuo (002387) closed at 8.51, decreasing by 3.62% with a trading volume of 276,300 shares [2] - *ST Yu Shun (002289) closed at 35.39, down 3.44% with a trading volume of 21,400 shares [2] Capital Flow - The optical and optoelectronic sector experienced a net outflow of 1.041 billion yuan from institutional investors, while retail investors saw a net inflow of 1.117 billion yuan [2][3] - Major stocks like Su Da Wei Ge and San An Optoelectronics had mixed capital flows, with Su Da Wei Ge seeing a net inflow of 1.05 billion yuan from institutional investors [3]