Zheng Xing Xing Ye Ri Bao·2025-10-20 08:21Market Performance - The optical optoelectronics sector increased by 1.22% on October 20, with Jingwei Huikai leading the gains [1] - The Shanghai Composite Index closed at 3863.89, up 0.63%, while the Shenzhen Component Index closed at 12813.21, up 0.98% [1] Stock Highlights - Jingwei Huikai (300120) closed at 12.32, with a significant increase of 19.96% and a trading volume of 1.1378 million shares, amounting to 1.373 billion yuan [1] - Wanrun Technology (002654) saw a rise of 10.02%, closing at 17.24 with a trading volume of 1.3418 million shares, totaling 2.225 billion yuan [1] - Shengyang Technology (603703) and Chenfeng Technology (603685) both experienced increases of 10.00% and 9.98%, respectively [1] Capital Flow - The optical optoelectronics sector had a net inflow of 378 million yuan from institutional investors, while retail investors contributed a net inflow of 245 million yuan [2] - However, there was a net outflow of 623 million yuan from speculative funds [2] Individual Stock Capital Flow - Wanrun Technology had a net inflow of 417 million yuan from institutional investors, but a net outflow of 219 million yuan from speculative funds [3] - Jingwei Huikai experienced a net inflow of 182 million yuan from institutional investors, with significant outflows from both speculative and retail investors [3] - Dongtian Micro (301183) saw a net inflow of 81.73 million yuan from institutional investors, while experiencing outflows from speculative and retail investors [3]