Zheng Xing Xing Ye Ri Bao·2025-10-28 08:40Market Overview - The oil service engineering sector experienced a decline of 0.82% on October 28, with Keli Co., Ltd. leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable stock performances included: - Renji Co., Ltd. (002629) rose by 10.01% to a closing price of 9.56, with a trading volume of 355,000 shares and a transaction value of 329 million [1] - Beiken Energy (002828) increased by 1.78% to 11.43, with a trading volume of 421,700 shares and a transaction value of 484 million [1] - Other stocks such as Huibo Yin (002554) and CNOOC Development (600968) saw declines of 0.30% and 0.76%, respectively [1] Capital Flow - The oil service engineering sector saw a net outflow of 33.92 million from institutional investors, while retail investors contributed a net inflow of 20.92 million [2][3] - The capital flow for individual stocks showed mixed results, with Renji Co., Ltd. experiencing a significant net outflow of 46.05 million from institutional investors [3] Individual Stock Analysis - Keli Co., Ltd. (920088) closed at 33.85, down 2.67%, with a trading volume of 31,000 shares and a transaction value of 106 million [2] - Zhongman Petroleum (603619) and Huo Ding Tian Station (600583) also faced declines of 2.08% and 1.61%, respectively [2] - The net inflow from retail investors for stocks like Renji Co., Ltd. was negative, indicating a potential shift in investor sentiment [3]