通信服务板块12月11日跌0.48%，中富通领跌，主力资金净流入3624.4万元

Core Viewpoint - The communication services sector experienced a decline of 0.48% on December 11, with Zhongfutong leading the drop. The Shanghai Composite Index closed at 3873.32, down 0.7%, while the Shenzhen Component Index closed at 13147.39, down 1.27% [1][2]. Group 1: Market Performance - The communication services sector saw a net inflow of 36.24 million yuan from main funds, while retail investors contributed a net inflow of 15.6 million yuan. However, there was a net outflow of 192 million yuan from speculative funds [2]. - The overall performance of the communication services sector was negative, reflecting broader market trends as indicated by the declines in major indices [1]. Group 2: Individual Stock Movement - Zhongfutong was identified as the leading stock in the communication services sector that contributed to the decline [1]. - Detailed stock movements within the communication services sector were provided in a table, indicating varying performances among individual stocks [1].