RZGF(SZ:002629) Zheng Xing Xing Ye Ri Bao·2025-10-20 08:37Market Performance - The oil service engineering sector increased by 1.39% on October 20, with Renji Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3863.89, up 0.63%, while the Shenzhen Component Index closed at 12813.21, up 0.98% [1] Stock Highlights - Renji Co., Ltd. (002629) closed at 8.32, up 4.65% with a trading volume of 281,500 shares and a turnover of 231 million yuan [1] - Huiboyin (002554) closed at 3.20, up 4.58% with a trading volume of 478,000 shares and a turnover of 151 million yuan [1] - Qianeng Hengxin (300191) closed at 20.00, up 3.63% with a trading volume of 49,600 shares and a turnover of approximately 97.55 million yuan [1] Capital Flow - The oil service engineering sector saw a net inflow of 1.76 million yuan from institutional investors, while retail investors experienced a net outflow of 5.76 million yuan [1] - The main capital inflow was observed in Renji Co., Ltd. with a net inflow of 20.60 million yuan, accounting for 8.93% of the total [2] - The sector's overall capital flow indicates a mixed sentiment, with significant retail outflows despite institutional interest [2]