Zheng Xing Xing Ye Ri Bao·2026-01-19 08:58Market Overview - The communication services sector experienced a decline of 1.07% on January 19, with Sanwei Communication leading the drop [1] - The Shanghai Composite Index closed at 4114.0, up 0.29%, while the Shenzhen Component Index closed at 14294.05, up 0.09% [1] Stock Performance - Key stocks in the communication services sector showed varied performance, with Huiwu Technology rising by 6.65% to a closing price of 27.11 [1] - Sanwei Communication saw a significant drop of 10.01%, closing at 15.83 [2] - Other notable declines included Runze Technology down 3.74% and Data Port down 3.68% [2] Trading Volume and Value - Huiwu Technology had a trading volume of 384,700 shares and a transaction value of 104.2 million yuan [1] - Sanwei Communication recorded a trading volume of 138,400 shares with a transaction value of 219 million yuan [2] Capital Flow - The communication services sector experienced a net outflow of 2 billion yuan from institutional investors, while retail investors saw a net inflow of 1.6 billion yuan [2] - Notable stocks like China Unicom had a net inflow of 89.04 million yuan from institutional investors, while retail investors showed a net outflow of 778.29 million yuan [3] Individual Stock Analysis - South Ling Technology had a net inflow of 11.48 million yuan from institutional investors but a net outflow of 20.05 million yuan from retail investors [3] - ST Xintong had a net inflow of 2.41 million yuan from institutional investors, indicating some interest despite the overall sector decline [3]