Zheng Xing Xing Ye Ri Bao·2026-01-20 08:59Core Viewpoint - The communication services sector experienced a decline of 0.57% on January 20, with significant losses from Sanwei Communication, while the overall market indices showed slight decreases [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 4113.65, down 0.01%, and the Shenzhen Component Index closed at 14155.63, down 0.97% [1]. - The communication services sector saw a net outflow of 1.116 billion yuan from major funds, while retail investors contributed a net inflow of 730 million yuan [2][3]. Group 2: Individual Stock Performance - Sanwei Communication (002115) led the decline with a drop of 9.98%, closing at 14.25 yuan, with a trading volume of 3.1924 million shares and a transaction value of 4.632 billion yuan [2]. - Other notable declines included Putian Technology (002544) down 5.30% and Yinhua Holdings (300292) down 5.23% [2]. - In contrast, ST Tongmai (603559) increased by 2.90%, closing at 6.03 yuan, with a trading volume of 216,200 shares and a transaction value of 131 million yuan [1]. Group 3: Fund Flow Analysis - China Mobile (600941) had a net inflow of 1.23 billion yuan from major funds, while China Unicom (600050) saw a net inflow of 1.22 billion yuan [3]. - Jiada Communication (300597) reported a net inflow of 27.2269 million yuan from major funds, indicating strong interest despite overall sector declines [3].