TC(SH:603421) Zheng Xing Xing Ye Ri Bao·2025-09-19 08:53Market Overview - On September 19, the communication equipment sector rose by 1.29%, led by Dingxin Communication, while the Shanghai Composite Index closed at 3820.09, down 0.3% [1] - The Shenzhen Component Index closed at 13070.86, down 0.04% [1] Top Performers - Dingxin Communication (603421) closed at 7.43, up 10.07% with a trading volume of 113,300 shares and a turnover of 84.16 million yuan [1] - Sega Technology (002796) closed at 21.22, up 10.01% with a trading volume of 303,400 shares and a turnover of 612 million yuan [1] - Changfei Optical Fiber (698109) closed at 120.62, up 10.00% with a trading volume of 247,500 shares and a turnover of 2.93 billion yuan [1] - Dekeli (688205) closed at 154.00, up 9.69% with a trading volume of 219,100 shares and a turnover of 3.30 billion yuan [1] Underperformers - Hengbao Co., Ltd. (002104) closed at 24.02, down 6.43% with a trading volume of 964,800 shares and a turnover of 2.35 billion yuan [2] - ST Gaohong (000851) closed at 0.48, down 5.88% with a trading volume of 45,900 shares and a turnover of 2.20 million yuan [2] - Feiling Kesi (301191) closed at 108.69, down 5.54% with a trading volume of 48,700 shares and a turnover of 53.50 million yuan [2] Capital Flow - The communication equipment sector experienced a net outflow of 637 million yuan from institutional investors, while retail investors saw a net inflow of 986 million yuan [2][3] - Major stocks like Tianfu Communication (300394) had a net inflow of 707 million yuan from institutional investors [3] - Changfei Optical Fiber (601869) had a net inflow of 291 million yuan from institutional investors [3]