Zheng Xing Xing Ye Ri Bao·2025-11-12 08:49Core Insights - The oil service engineering sector experienced a significant increase of 3.13% on November 12, with PetroChina Oilfield Services leading the gains [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Stock Performance - PetroChina Oilfield Services (code: 600871) saw a closing price of 2.59, with a rise of 10.21% and a trading volume of 3.855 million shares, amounting to 969 million yuan [1] - Other notable performers included: - Zhunyou Co. (code: 002207) with a closing price of 9.01, up 10.01% [1] - Tongyuan Petroleum (code: 300164) with a closing price of 6.34, up 5.32% [1] - Huibo Yin (code: 002554) with a closing price of 3.84, up 5.21% [1] Capital Flow - The oil service engineering sector saw a net inflow of 599 million yuan from main funds, while retail investors experienced a net outflow of 415 million yuan [1] - Detailed capital flow for key stocks includes: - PetroChina Oilfield Services with a net inflow of 2.39 billion yuan from main funds [2] - Zhunyou Co. with a net inflow of 1.14 billion yuan from main funds [2] - Huibo Yin with a net inflow of 69.96 million yuan from main funds [2]