Zheng Xing Xing Ye Ri Bao·2026-01-16 09:00Market Overview - The oil service engineering sector experienced a decline of 3.44% on January 16, with Tongyuan Petroleum leading the drop [1] - The Shanghai Composite Index closed at 4101.91, down 0.26%, while the Shenzhen Component Index closed at 14281.08, down 0.18% [1] Stock Performance - Notable declines in individual stocks include: - Daoyuan Petroleum (300164) at 7.10, down 11.91% with a trading volume of 1.887 million shares and a transaction value of 13.49 billion [1] - Keli Co., Ltd. (920088) at 35.69, down 11.77% with a trading volume of 82,700 shares and a transaction value of 303 million [1] - Zhunyou Co., Ltd. (002207) at 8.26, down 8.43% with a trading volume of 435,000 shares and a transaction value of 365 million [1] Capital Flow - The oil service engineering sector saw a net outflow of 460 million from main funds, while retail investors contributed a net inflow of 391 million [1] - The table of capital flow indicates that: - Zhongyou Engineering (600339) had a main fund net inflow of 5.4486 million, while retail investors had a net inflow of 3.3170 million [2] - Haiyou Engineering (600583) experienced a main fund net outflow of 20.4936 million, but retail investors had a net inflow of 2.5745 million [2] - Beiken Energy (002828) faced a main fund net outflow of 23.0657 million, with a significant retail net inflow of 39.8684 million [2]