油服工程板块1月21日涨2.16%，惠博普领涨，主力资金净流入9175.46万元

Core Viewpoint - The oil service engineering sector experienced a 2.16% increase on January 21, with Huibo Energy leading the gains, while the Shanghai Composite Index rose by 0.08% and the Shenzhen Component Index increased by 0.7% [1] Group 1: Market Performance - The closing price of Huibo Energy was 4.04, reflecting a 10.08% increase with a trading volume of 1.0208 million shares and a transaction value of 394 million yuan [1] - Tongyuan Petroleum closed at 7.38, up 6.03%, with a trading volume of 1.538 million shares and a transaction value of 1.11 billion yuan [1] - The oil service engineering sector saw a net inflow of 91.7546 million yuan from main funds, while retail investors experienced a net outflow of 70.2354 million yuan [1] Group 2: Fund Flow Analysis - Huibo Energy had a main fund net inflow of 65.9958 million yuan, accounting for 16.74% of its total, while retail investors had a net outflow of 32.8485 million yuan [2] - Tongyuan Petroleum recorded a main fund net inflow of 56.8419 million yuan, representing 5.12%, with retail investors seeing a net outflow of 68.7984 million yuan [2] - The net inflow for Haiyou Engineering was 37.3127 million yuan, making up 7.46% of its total, while retail investors had a net outflow of 16.4387 million yuan [2]