Zheng Xing Xing Ye Ri Bao·2025-09-17 08:52Market Overview - On September 17, the oil service engineering sector rose by 0.63% compared to the previous trading day, with Renji Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Stock Performance - Key stocks in the oil service engineering sector showed varied performance, with Renji Co., Ltd. closing at 7.58, up 4.12%, and Tongyuan Petroleum at 5.93, up 1.72% [1] - Other notable performers included Zhongyou Engineering at 3.57, up 1.13%, and Haiyou Development at 3.93, up 0.77% [1] Trading Volume and Value - Renji Co., Ltd. had a trading volume of 334,400 shares, with a transaction value of 253 million yuan [1] - Tongyuan Petroleum recorded a trading volume of 1,498,200 shares, with a transaction value of 901 million yuan [1] Capital Flow Analysis - The oil service engineering sector experienced a net outflow of 32.45 million yuan from institutional investors, while retail investors saw a net inflow of 49.81 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing funds while retail investors increased their positions [2] Individual Stock Capital Flow - Renji Co., Ltd. saw a net inflow of 15.37 million yuan from institutional investors, while it experienced a net outflow of 12.80 million yuan from speculative funds [3] - Other stocks like Beiken Energy and Haiyou Engineering also had significant net inflows from retail investors, indicating strong retail interest [3]