Zheng Xing Xing Ye Ri Bao·2025-07-31 08:32Market Overview - On July 31, the communication services sector declined by 0.18%, with Nanling Technology leading the drop [1] - The Shanghai Composite Index closed at 3573.21, down 1.18%, while the Shenzhen Component Index closed at 11009.77, down 1.73% [1] Stock Performance - Notable gainers in the communication services sector included: - Zhongjia Bochuan (Code: 000889) with a closing price of 3.85, up 10.00% on a trading volume of 324,300 shares and a turnover of 125 million yuan [1] - Chaoxun Communication (Code: 603322) closed at 38.46, up 2.70% with a trading volume of 122,700 shares [1] - Major decliners included: - Nanling Technology (Code: 300921) closed at 25.85, down 3.33% with a trading volume of 249,600 shares and a turnover of 673 million yuan [2] - Jialin Technology (Code: 603206) closed at 16.95, down 2.81% with a trading volume of 54,000 shares [2] Capital Flow - The communication services sector saw a net inflow of 141 million yuan from institutional investors, while retail investors experienced a net outflow of 38.44 million yuan [2] - Key stocks with significant capital flow included: - China Telecom (Code: 601728) with a net inflow of 1.92 billion yuan from institutional investors [3] - Runze Technology (Code: 300442) had a net inflow of 68.44 million yuan from institutional investors [3]