Zheng Xing Xing Ye Ri Bao·2025-12-24 09:17Core Insights - The oil service engineering sector experienced a 0.5% increase on December 24, with Huibo Po leading the gains [1] - The Shanghai Composite Index closed at 3940.95, up 0.53%, while the Shenzhen Component Index closed at 13486.42, up 0.88% [1] Sector Performance - The following companies in the oil service engineering sector showed notable price changes: - Huibo Po (002554) closed at 3.33, up 2.46% with a trading volume of 553,500 shares and a transaction value of 181 million yuan [1] - China Oil Engineering (600339) closed at 3.37, up 1.51% with a trading volume of 230,100 shares and a transaction value of 77.02 million yuan [1] - Beiken Energy (002828) closed at 11.06, up 1.37% with a trading volume of 74,800 shares and a transaction value of 82.43 million yuan [1] - Other companies such as Zhonghai Aofeng (601808) and Bomai Ke (603727) also saw slight increases in their stock prices [1] Capital Flow - The oil service engineering sector saw a net outflow of 32.18 million yuan from institutional investors and 32.67 million yuan from retail investors, while there was a net inflow of 64.85 million yuan from individual investors [2] - The detailed capital flow for specific companies indicates varied investor behavior, with some companies experiencing significant net outflows from institutional and retail investors [3]