Zheng Xing Xing Ye Ri Bao·2025-10-29 08:41Market Overview - The oil service engineering sector increased by 0.33% compared to the previous trading day, with Keli Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 4016.33, up 0.7%, while the Shenzhen Component Index closed at 13691.38, up 1.95% [1] Stock Performance - Keli Co., Ltd. (code: 920088) closed at 34.82, with a rise of 2.87% and a trading volume of 31,900 shares, amounting to a transaction value of 109 million yuan [1] - Huibo Yin (code: 002554) closed at 3.45, up 2.37%, with a trading volume of 852,700 shares, totaling 291 million yuan [1] - Zhongman Petroleum (code: 619609) closed at 20.10, increasing by 1.57% with a trading volume of 95,300 shares [1] - Other notable stocks include Beiken Energy (code: 002828) at 11.59 (+1.40%), Qianeng Hengxin (code: 300191) at 20.49 (+1.19%), and Tongyuan Petroleum (code: 300164) at 5.99 (+1.01%) [1] Capital Flow - The oil service engineering sector experienced a net outflow of 61.94 million yuan from institutional investors, while retail investors saw a net inflow of 58.92 million yuan [2][3] - The main capital inflow and outflow for specific stocks include: - Huibo Yin: net outflow of 46.79 million yuan from main capital [3] - Ren Zhi Co., Ltd. (code: 002629): net inflow of 13.97 million yuan from main capital [3] - Zhongman Petroleum: net inflow of 13.35 million yuan from main capital [3] - Tongyuan Petroleum: net inflow of 11.08 million yuan from main capital [3]