油服工程板块9月5日涨0.65%，贝肯能源领涨，主力资金净流入4360.24万元

Market Performance - The oil service engineering sector increased by 0.65% on September 5, with Beiken Energy leading the gains [1] - The Shanghai Composite Index closed at 3812.51, up 1.24%, while the Shenzhen Component Index closed at 12590.56, up 3.89% [1] Stock Performance - Beiken Energy (002828) closed at 10.63, up 2.90% with a trading volume of 136,300 shares and a turnover of 143 million yuan [1] - Other notable performers included: - Qianeng Hengxin (300191) at 20.91, up 2.85% [1] - Daoxian Petroleum (300164) at 5.29, up 2.72% [1] - Renji Co., Ltd. (002629) at 7.17, up 2.28% [1] - Zhun Oil Co. (002207) at 7.57, up 2.16% [1] Capital Flow - The oil service engineering sector saw a net inflow of 43.6 million yuan from institutional investors, while retail investors experienced a net outflow of 56.1 million yuan [2][3] - The main stocks with significant capital flow included: - PetroChina Oilfield Services (600871) with a net inflow of 36.1 million yuan from institutional investors [3] - CNOOC Engineering (600583) with a net inflow of 35.8 million yuan from institutional investors [3] - Zhun Oil Co. (002207) with a net inflow of 5.2 million yuan from institutional investors [3]