Zheng Xing Xing Ye Ri Bao·2025-12-31 09:06Core Viewpoint - The oil service engineering sector experienced a decline of 0.43% on December 31, with Junyou Co., Ltd. leading the losses. The Shanghai Composite Index rose by 0.09%, while the Shenzhen Component Index fell by 0.58 [1]. Group 1: Market Performance - The closing price of Junyou Co., Ltd. was 7.40, reflecting a decrease of 3.77% with a trading volume of 171,200 shares and a transaction value of 12.7 million [2]. - The oil service engineering sector saw a net outflow of 83 million yuan from main funds, while retail investors contributed a net inflow of 63.74 million yuan [2]. Group 2: Individual Stock Performance - Qianeng Hengxin closed at 18.48, with an increase of 1.48% and a trading volume of 38,900 shares, resulting in a transaction value of 71.43 million [1]. - The stock of Zhongman Petroleum closed at 23.05, down by 1.91%, with a trading volume of 84,600 shares and a transaction value of 195 million [2]. - The stock of Huibo Yin closed at 3.19, down by 1.54%, with a trading volume of 247,500 shares and a transaction value of 7.88 million [2]. Group 3: Fund Flow Analysis - The main funds showed a net outflow of 751,820 yuan from Junyou Co., Ltd., while retail investors had a net inflow of 1,015,780 yuan [3]. - The main funds experienced a net outflow of 812,200 yuan from Keli Co., Ltd., with retail investors showing a net outflow of 167,080 yuan [3]. - The stock of Zhongyou Engineering had a net outflow of 95,510 yuan from main funds, while retail investors had a net inflow of 4,810 yuan [3].