Zheng Xing Xing Ye Ri Bao·2026-01-20 08:59Market Overview - The communication equipment sector experienced a decline of 3.62% on January 20, with Tongyu Communication leading the drop [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] Stock Performance - Notable gainers included: - Dingxin Communication (603421) with a closing price of 7.92, up 10.00% on a trading volume of 367,100 shares and a turnover of 287 million [1] - Weisheng Information (688100) closed at 46.16, up 7.15% with a trading volume of 128,400 shares and a turnover of 598 million [1] - Major decliners included: - Tongyu Communication (002792) closed at 46.14, down 10.01% with a trading volume of 656,100 shares and a turnover of 3.158 billion [2] - Datang Telecom (600198) closed at 10.64, down 9.98% with a trading volume of 898,800 shares and a turnover of 971 million [2] Capital Flow - The communication equipment sector saw a net outflow of 12.802 billion from institutional investors, while retail investors experienced a net inflow of 8.096 billion [2] - The sector's overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors increased their positions [2] Individual Stock Capital Flow - Hengtong Optic (600487) had a net inflow of 338 million from institutional investors, while retail investors saw a net outflow of 304 million [3] - Longfly Fiber (601869) experienced a net inflow of 132 million from institutional investors, but a net outflow of 161 million from retail investors [3] - Dingxin Communication (603421) had a significant net inflow of 106 million from institutional investors, while retail investors faced a net outflow of 568 million [3]