Zheng Xing Xing Ye Ri Bao·2025-10-22 08:26Market Overview - On October 22, the communication services sector rose by 0.32% compared to the previous trading day, with Sanwei Communication leading the gains [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Stock Performance - Sanwei Communication (002115) closed at 12.39, up 5.00% with a trading volume of 2.4879 million shares and a transaction value of 3.005 billion [1] - Yuandao Communication (301139) closed at 21.93, up 2.00%, with a trading volume of 98,500 shares and a transaction value of 215 million [1] - Zhongbei Communication (603220) closed at 23.78, up 1.97%, with a trading volume of 129,500 shares and a transaction value of 305 million [1] - Other notable performers include Nanling Technology (300921) up 1.93% and China Unicom (600050) up 0.73% [1] Fund Flow Analysis - The communication services sector experienced a net outflow of 136 million from institutional investors, while retail investors saw a net inflow of 120 million [2] - The overall net inflow from speculative funds was 15.8 million [2] Individual Stock Fund Flow - Zhongbei Communication had a net inflow of 41.91 million from institutional investors, while retail investors had a net outflow of 31.29 million [3] - Sanwei Communication saw a net inflow of 27.44 million from institutional investors, with retail investors contributing a net inflow of 56.14 million [3] - Yuandao Communication had a net inflow of 18.47 million from institutional investors, but a significant net outflow of 31.14 million from retail investors [3]