通信设备板块1月29日跌1.3%，长盈通领跌，主力资金净流出6.87亿元

Core Viewpoint - The communication equipment sector experienced a decline of 1.3% on January 29, with Changying Tong leading the drop, while the Shanghai Composite Index rose by 0.16% to close at 4157.98 [1] Group 1: Market Performance - The communication equipment sector saw significant individual stock movements, with notable gainers including: - Xinke Mobile (688387) up by 6.43% closing at 18.87, with a trading volume of 1.93 million shares and a turnover of 3.609 billion yuan [1] - Tongding Interconnection (002491) increased by 5.93% to 7.14, with a trading volume of 2.29 million shares and a turnover of 1.642 billion yuan [1] - Changxin Bochuang (300548) rose by 5.48% to 154.07, with a trading volume of 420,400 shares and a turnover of 6.350 billion yuan [1] - Conversely, the sector also had significant losers, including: - Changying Tong (688143) down by 7.72% to 50.10, with a trading volume of 82,400 shares and a turnover of 430 million yuan [2] - Kunheng Shunwei (688283) decreased by 7.40% to 54.92, with a trading volume of 33,300 shares and a turnover of 187 million yuan [2] - Shijia Technology (002796) fell by 6.63% to 46.50, with a trading volume of 185,300 shares and a turnover of 888 million yuan [2] Group 2: Capital Flow - The communication equipment sector experienced a net outflow of 687 million yuan from institutional investors and 416 million yuan from speculative funds, while retail investors saw a net inflow of 1.103 billion yuan [2] - Specific stock capital flows indicated: - Tianfu Communication (300394) had a net inflow of 84.5 million yuan from institutional investors, while speculative funds saw a net outflow of 34.7 million yuan [3] - Changxin Bochuang (300548) recorded a net inflow of 63 million yuan from institutional investors, with a net outflow of 294 million yuan from speculative funds [3] - Xinke Mobile (688387) had a net inflow of 43.3 million yuan from institutional investors, while speculative funds experienced a net outflow of 26.17 million yuan [3]