Zheng Xing Xing Ye Ri Bao·2025-09-03 08:46Market Overview - On September 3, the communication services sector declined by 1.42%, with Data Port leading the drop [1] - The Shanghai Composite Index closed at 3813.56, down 1.16%, while the Shenzhen Component Index closed at 12472.0, down 0.65% [1] Stock Performance - Notable gainers in the communication services sector included: - Sanwei Communication (002115) with a closing price of 11.45, up 4.09% [1] - Erli San (002467) with a closing price of 6.64, up 3.43% [1] - Major decliners included: - Data Port (603881) with a closing price of 35.86, down 6.44% [2] - Wajingke (301380) with a closing price of 38.00, down 6.40% [2] Trading Volume and Capital Flow - The communication services sector experienced a net outflow of 660 million yuan from institutional investors and 210 million yuan from retail investors, while retail investors saw a net inflow of 871 million yuan [2][3] - The trading volume for key stocks included: - Data Port with a trading volume of 1.0425 million shares and a transaction amount of 3.811 billion yuan [2] - Erli San with a trading volume of 3.0731 million shares and a transaction amount of 2.107 billion yuan [1] Individual Stock Capital Flow - Key stocks' capital flow data showed: - Erli San (002467) had a net inflow of 162.6 million yuan from institutional investors, but a net outflow of 15.2 million yuan from retail investors [3] - Sanwei Communication (002115) had a net inflow of 105 million yuan from institutional investors, with retail investors seeing a net outflow of 21.1 million yuan [3]