Zheng Quan Shi Bao Wang·2026-01-20 08:43Market Overview - The Shanghai Composite Index fell by 0.01% on January 20, with 20 industries experiencing gains, led by the oil and petrochemical sector with a rise of 1.74% and construction materials at 1.71% [2] - The communication and defense industries saw the largest declines, with drops of 3.23% and 2.87% respectively, making communication the worst-performing sector of the day [2] Capital Flow Analysis - The main capital outflow from the two markets totaled 95.723 billion yuan, with 11 industries seeing net inflows [2] - The banking sector led the net inflow with 1.472 billion yuan and a daily increase of 0.80%, followed by the real estate sector with a 1.55% increase and a net inflow of 627 million yuan [2] Communication Industry Performance - The communication sector experienced a decline of 3.23%, with a total net capital outflow of 12.815 billion yuan [3] - Out of 124 stocks in the communication sector, only 14 rose, with one hitting the daily limit, while 106 fell, including three that hit the lower limit [3] - The top three stocks with the highest net inflow were Hengtong Optic-Electric with 253 million yuan, China Unicom with 114 million yuan, and Dingxin Communication with 111 million yuan [3] Top Gainers and Losers in Communication Sector - The top gainers in the communication sector included: - Hengtong Optic-Electric: +2.58% with a turnover rate of 6.88% and a capital flow of 252.99 million yuan - Dingxin Communication: +10.00% with a turnover rate of 5.63% and a capital flow of 111.12 million yuan [4] - The top losers included: - Xinyi Sheng: -5.11% with a capital outflow of 2.136 billion yuan - Zhongji Xuchuang: -3.39% with a capital outflow of 2.068 billion yuan - Fenghuo Communication: -5.70% with a capital outflow of 951.52 million yuan [5]