Zheng Xing Xing Ye Ri Bao·2025-09-19 08:53Group 1 - The communication services sector experienced a decline of 0.55% on September 19, with Beiwei Technology leading the drop [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] - Key stocks in the communication services sector showed varied performance, with notable gainers including Lian Technology (+4.68%) and Yuandao Communication (+4.26%) [1] Group 2 - Beiwei Technology saw a significant decline of 9.88%, closing at 10.95, with a trading volume of 997,600 shares and a turnover of 1.121 billion yuan [2] - The overall net capital outflow from the communication services sector was 1.346 billion yuan, with retail investors contributing a net inflow of 1.58 billion yuan [2] - Other notable decliners included Shiji Dingli (-3.28%) and Erli San (-3.05%), indicating a challenging day for many stocks in the sector [2]