Zheng Xing Xing Ye Ri Bao·2026-01-13 09:06Core Viewpoint - The oil service engineering sector experienced a significant increase of 2.94% on January 13, with Tongyuan Petroleum leading the gains, while the overall Shanghai Composite Index fell by 0.64% [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4138.76, down 0.64% [1] - The Shenzhen Component Index closed at 14169.4, down 1.37% [1] - Key stocks in the oil service engineering sector showed notable increases, with Tongyuan Petroleum rising by 11.66% to a closing price of 7.18 [1] Group 2: Stock Performance - Tongyuan Petroleum (300164) led the sector with a closing price of 7.18 and a trading volume of 2.3767 million shares, resulting in a transaction value of 1.67 billion [1] - Zhun Oil Co. (002207) increased by 10.00% to 9.02, with a transaction value of 738 million [1] - Other notable performers included Keli Co. (920088) up 6.35% to 37.37, and Sinopec Oilfield Service (600871) up 4.37% to 2.39 [1] Group 3: Capital Flow - The oil service engineering sector saw a net inflow of 287 million from main funds, while retail investors experienced a net outflow of 185 million [1] - Main funds showed significant net inflows in Zhun Oil Co. (002207) at 114 million, while retail investors had a net outflow of 5317.78 million [2] - The overall capital flow indicates a mixed sentiment, with main funds favoring certain stocks while retail investors withdrew [2]