Zheng Xing Xing Ye Ri Bao·2025-10-20 08:37Market Overview - The communication equipment sector increased by 3.88% on October 20, with significant contributions from companies like Sega Technology and Cambridge Technology [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] Top Performers - Sega Technology (002796) closed at 17.93, rising by 10.00% with a trading volume of 138,800 shares [1] - Cambridge Technology (603083) also saw a 10.00% increase, closing at 108.25 with a trading volume of 208,900 shares [1] - Other notable gainers include: - Ruiskanda (603803) at 8.92, up 9.99% - Shijia Photon (688313) at 58.88, up 8.16% - Zhongji Xuchuang (300308) at 403.00, up 7.87% [1] Market Capitalization and Trading Volume - The trading volume for Sega Technology reached 2.43 billion yuan, while Cambridge Technology had a trading volume of 2.23 billion yuan [1] - Zhongji Xuchuang had the highest trading volume at 24.468 billion yuan [1] Fund Flow Analysis - The communication equipment sector experienced a net inflow of 3.974 billion yuan from institutional investors, while retail investors saw a net outflow of 1.76 billion yuan [2] - Major stocks like Zhongji Xuchuang had a net inflow of 1.949 billion yuan from institutional investors, indicating strong institutional interest [3] Underperformers - Wanma Technology (300698) decreased by 3.77%, closing at 44.89 with a trading volume of 110,400 shares [2] - Other underperformers included: - Zhongguang Fanglei (300414) down 2.12% - Ruijie Network (301165) down 1.11% [2]