Sou Hu Cai Jing·2025-08-25 08:59Market Performance - The oil service engineering sector increased by 0.86% on August 25, with Zhongman Petroleum leading the gains [1] - The Shanghai Composite Index closed at 3883.56, up 1.51%, while the Shenzhen Component Index closed at 12441.07, up 2.26% [1] Stock Performance - Zhongman Petroleum (60361a) closed at 20.79, up 2.26% with a trading volume of 181,200 shares and a transaction value of 372 million [1] - Tongyuan Petroleum (300164) closed at 5.47, up 2.24% with a trading volume of 998,000 shares and a transaction value of 544 million [1] - Other notable stocks include Yingsi Thought (601808) at 14.62 (+1.39%), Huibo Yin (002554) at 3.01 (+1.01%), and PetroChina Engineering (600339) at 3.63 (+0.83%) [1] Capital Flow - The oil service engineering sector experienced a net outflow of 139 million from institutional investors, while retail investors saw a net inflow of 152 million [2][3] - The detailed capital flow indicates that major stocks like Haiyou Development (600968) had a net inflow of 54.61 million from institutional investors, while Zhongman Petroleum (60361a) had a net inflow of 9.93 million [3]