通信服务板块12月19日涨1.03%，中富通领涨，主力资金净流出2.76亿元

Group 1 - The communication services sector increased by 1.03% on December 19, with Zhongfutong leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up 0.36%, while the Shenzhen Component Index closed at 13140.22, up 0.66% [1] - Zhongfutong's stock price rose by 3.82% to 17.93, with a trading volume of 236,200 shares and a transaction value of 421 million yuan [1] Group 2 - The communication services sector experienced a net outflow of 276 million yuan from institutional investors and 376 million yuan from retail investors, while retail investors saw a net inflow of 652 million yuan [2] - China Mobile's stock price increased by 0.26% to 102.16, with a trading volume of 88,200 shares and a transaction value of 901 million yuan [2] - The net inflow of funds for China Telecom was 37.05 million yuan, with a net retail inflow of 17.1 million yuan [3]