Zheng Xing Xing Ye Ri Bao·2026-01-30 09:00Core Viewpoint - The oil service engineering sector experienced a decline of 3.38% on January 30, with Keli Co., Ltd. leading the losses. The Shanghai Composite Index closed at 4117.95, down 0.96%, while the Shenzhen Component Index closed at 14205.89, down 0.66% [1]. Group 1: Market Performance - The oil service engineering sector saw significant individual stock movements, with notable declines in Keli Co., Ltd. by 14.39% and Qianeng Hengxin by 12.83% [2]. - The trading volume for Keli Co., Ltd. was 138,000 shares, with a transaction value of 773 million yuan [2]. - The overall sector had a net outflow of 1 billion yuan from major funds, while retail investors contributed a net inflow of 656 million yuan [2][3]. Group 2: Individual Stock Analysis - Keli Co., Ltd. closed at 51.80 yuan, experiencing a drop of 14.39% with a trading volume of 138,000 shares [2]. - Qianeng Hengxin closed at 31.33 yuan, down 12.83%, with a trading volume of 457,200 shares [2]. - The stock of Huibo Yin fell by 6.14%, closing at 4.13 yuan, with a trading volume of 143,670 shares [2]. Group 3: Fund Flow Analysis - Major funds showed a net outflow from several stocks, including Keli Co., Ltd. with a net outflow of 75.27 million yuan [3]. - Retail investors showed a positive net inflow in stocks like Huibo Yin, with a net inflow of 58.99 million yuan [3]. - The stock of Haiyou Development had a net inflow of 18.4 million yuan from retail investors, despite a major fund outflow [3].