Zheng Xing Xing Ye Ri Bao·2025-12-29 09:02Market Overview - The oil service engineering sector experienced a slight decline of 0.08% on December 29, with Huibo leading the drop [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] Stock Performance - Notable stock performances in the oil service engineering sector included: - Zhongman Petroleum (603619) closed at 23.12, up 1.05% with a trading volume of 100,500 shares and a turnover of 233 million yuan [1] - Bomaike (603727) closed at 14.04, up 0.79% with a trading volume of 18,500 shares [1] - Tongyuan Petroleum (300164) closed at 5.57, up 0.54% with a trading volume of 741,800 shares and a turnover of 414 million yuan [1] - Huibo (002554) closed at 3.29, down 2.95% with a trading volume of 311,500 shares and a turnover of 103 million yuan [2] Capital Flow - The oil service engineering sector saw a net inflow of 4.147 million yuan from institutional investors, while retail investors experienced a net outflow of 1.2712 million yuan [2][3] - The capital flow for specific stocks included: - Zhongman Petroleum had a net inflow of 27.1129 million yuan from institutional investors, but a net outflow of 34.9077 million yuan from retail investors [3] - Tongyuan Petroleum had a net inflow of 25.8586 million yuan from institutional investors, with a net outflow of 44.3007 million yuan from retail investors [3] - Huibo experienced a significant net outflow of 30.448 million yuan from retail investors [3]