Zheng Xing Xing Ye Ri Bao·2025-08-07 08:32Market Overview - On August 7, the oil service engineering sector rose by 0.05% compared to the previous trading day, with Qianeng Hengxin leading the gains [1] - The Shanghai Composite Index closed at 3639.67, up 0.16%, while the Shenzhen Component Index closed at 11157.94, down 0.18% [1] Stock Performance - Qianeng Hengxin (300191) closed at 20.44, up 2.30% with a trading volume of 109,300 shares and a turnover of 221 million yuan [1] - Tongyuan Petroleum (300164) closed at 5.41, up 1.88% with a trading volume of 790,400 shares and a turnover of 424 million yuan [1] - Other notable stocks include: - Zhunyou Co. (002207) at 7.49, up 1.49% [1] - Beiken Energy (002828) at 10.39, up 1.07% [1] - Keli Co. (920088) at 37.48, up 0.62% [1] Capital Flow - The oil service engineering sector saw a net inflow of 9.91 million yuan from institutional investors, while retail investors experienced a net outflow of 1.45 million yuan [2] - The capital flow for individual stocks shows: - Tongyuan Petroleum had a net inflow of 41.93 million yuan from institutional investors [3] - Zhunyou Co. had a net inflow of 16.39 million yuan from institutional investors [3] - Keli Co. had a net inflow of 14.10 million yuan from institutional investors [3]