Zheng Xing Xing Ye Ri Bao·2025-10-10 08:52Core Insights - The oil service engineering sector experienced a rise of 1.36% on October 10, with China National Petroleum Engineering leading the gains [1] - The Shanghai Composite Index closed at 3897.03, down 0.94%, while the Shenzhen Component Index closed at 13355.42, down 2.7% [1] Stock Performance - China National Petroleum Engineering (600339) closed at 3.68, up 3.37% with a trading volume of 1.0453 million shares and a transaction value of 381 million yuan [1] - Other notable performers included Huibo Yin (002554) at 3.09, up 2.66%, and Zhongman Petroleum (619609) at 19.84, up 1.64% [1] - The overall trading volume and transaction values for various stocks in the oil service engineering sector were significant, indicating active market participation [1] Capital Flow - The oil service engineering sector saw a net outflow of 148 million yuan from institutional investors, while retail investors contributed a net inflow of 200 million yuan [2][3] - The detailed capital flow indicated that while institutional and speculative funds were withdrawing, retail investors were actively buying into the sector [2][3] Individual Stock Capital Flow - Zhongman Petroleum (300191) had a net inflow of 772.26 thousand yuan from institutional investors, while it faced a net outflow of 1204.39 thousand yuan from speculative funds [3] - Other stocks like PetroChina (600871) and Huibo Yin (002554) also showed mixed capital flows, with retail investors showing a preference for certain stocks despite overall net outflows from larger funds [3]