通信服务板块12月23日跌0.92%，三维通信领跌，主力资金净流出10.66亿元

Group 1 - The communication services sector experienced a decline of 0.92% compared to the previous trading day, with Sanwei Communication leading the drop [1] - The Shanghai Composite Index closed at 3919.98, reflecting a slight increase of 0.07%, while the Shenzhen Component Index closed at 13368.99, up by 0.27% [1] - A detailed table of individual stock performance within the communication services sector is provided [1] Group 2 - In terms of capital flow, the communication services sector saw a net outflow of 1.066 billion yuan from major funds, while retail investors contributed a net inflow of 0.887 billion yuan [2] - The sector experienced a net inflow of 0.179 billion yuan from speculative funds [2] - A detailed table of capital flow for individual stocks in the communication services sector is included [2]