Zheng Xing Xing Ye Ri Bao·2025-12-17 09:14Market Overview - The communication services sector increased by 0.18% on December 17, with online and offline leading the gains [1] - The Shanghai Composite Index closed at 3870.28, up 1.19%, while the Shenzhen Component Index closed at 13224.51, up 2.4% [1] Stock Performance - Notable gainers in the communication services sector included: - Online and Offline (300959) with a closing price of 116.12, up 8.30% on a trading volume of 73,500 shares [1] - Guangmai Technology (920924) closed at 23.35, up 3.55% with a trading volume of 54,000 shares [1] - Runze Technology (300442) closed at 53.00, up 2.85% with a trading volume of 274,000 shares [1] - Other stocks with positive performance included: - Pingzhi Information (300571) up 2.45% [1] - Fengzhushou (301382) up 2.43% [1] Fund Flow Analysis - The communication services sector experienced a net outflow of 347 million yuan from institutional investors, while retail investors saw a net inflow of 368 million yuan [2] - Key stocks with significant fund flow included: - Runze Technology (300442) with a net inflow of 127 million yuan from institutional investors [3] - Online and Offline (300959) with a net inflow of 112 million yuan [3] - China Unicom (600050) had a net inflow of 16.65 million yuan from institutional investors [3]