Zheng Xing Xing Ye Ri Bao·2025-09-26 08:48Group 1 - The oil service engineering sector increased by 0.69% on September 26, with Junyou Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3828.11, down 0.65%, while the Shenzhen Component Index closed at 13209.0, down 1.76% [1] - Key stocks in the oil service engineering sector showed varied performance, with Junyou Co., Ltd. closing at 8.06, up 3.73%, and Tongyuan Petroleum closing at 5.49, up 3.00% [1] Group 2 - The oil service engineering sector saw a net inflow of 74.01 million yuan from institutional investors, while retail investors experienced a net outflow of 100 million yuan [2] - The stock performance of various companies indicated mixed investor sentiment, with Tongyuan Petroleum receiving a net inflow of 37.81 million yuan from institutional investors [3] - Junyou Co., Ltd. had a net inflow of 31.08 million yuan from institutional investors, but also saw a net outflow of 19.58 million yuan from retail investors [3]