油服工程板块1月15日跌0.04%，仁智股份领跌，主力资金净流出2.03亿元

Market Overview - The oil service engineering sector experienced a slight decline of 0.04% on January 15, with Ren Zhi Co., Ltd. leading the losses [1] - The Shanghai Composite Index closed at 4112.6, down 0.33%, while the Shenzhen Component Index rose by 0.41% to 14306.73 [1] Stock Performance - Notable gainers in the oil service sector included: - Huibo Yin (002554) with a closing price of 3.91, up 10.14% on a trading volume of 120,700 shares [1] - Qian Neng Heng Xin (300191) closed at 22.38, up 3.66% with a volume of 216,700 shares [1] - Conversely, Ren Zhi Co., Ltd. (002629) saw a significant drop of 8.38%, closing at 6.12 with a trading volume of 470,000 shares [2] Capital Flow - The oil service engineering sector faced a net outflow of 203 million yuan from institutional investors, while retail investors contributed a net inflow of 169 million yuan [2] - The sector's overall capital flow indicated a mixed sentiment, with retail investors showing more confidence compared to institutional investors [2] Individual Stock Capital Flow - Huibo Yin (002554) had a net outflow of 33.03 million yuan from institutional investors, while retail investors contributed a net inflow of 26.08 million yuan [3] - Qian Neng Heng Xin (300191) experienced a net inflow of 31.35 million yuan from institutional investors, indicating strong interest [3] - Other stocks like Zhonghai Engineering (600339) and PetroChina Engineering (600871) also showed significant net outflows from institutional investors, reflecting cautious sentiment [3]