Market Overview - On November 17, the communication services sector rose by 0.04% compared to the previous trading day, with Zhongfutong leading the gains [1] - The Shanghai Composite Index closed at 3972.03, down 0.46%, while the Shenzhen Component Index closed at 13202.0, down 0.11% [1] Stock Performance - Zhongfutong (300560) closed at 22.54, up 20.02% with a trading volume of 503,300 shares and a transaction value of 1.133 billion [1] - Dataport (603881) closed at 35.09, up 5.50% with a trading volume of 869,900 shares and a transaction value of 3.014 billion [1] - Other notable performers include Hengxin Dongfang (300081) up 5.20%, Pingzhi Information (300571) up 5.01%, and Fengzhushou (301382) up 4.55% [1] Fund Flow Analysis - The communication services sector saw a net inflow of 161 million in main funds, while retail funds experienced a net outflow of 12.85 million [2] - Main fund inflows were led by Dataport with 249 million, followed by Zhongfutong with 92.87 million [3] - Retail investors showed significant outflows in several stocks, including Zhongfutong and Hengxin Dongfang, indicating a shift in investor sentiment [3]