专业工程板块9月5日涨1.9%，能辉科技领涨，主力资金净流入2.01亿元

Group 1 - The professional engineering sector increased by 1.9% on September 5, with Nenghui Technology leading the gains [1] - The Shanghai Composite Index closed at 3812.51, up 1.24%, while the Shenzhen Component Index closed at 12590.56, up 3.89% [1] - Nenghui Technology's stock price rose by 14.05% to 25.81, with a trading volume of 129,800 shares and a transaction value of 319 million yuan [1] Group 2 - The professional engineering sector saw a net inflow of 201 million yuan from institutional investors, while retail investors experienced a net outflow of 177 million yuan [2] - The stock of Aiman Co. decreased by 1.27% to 47.39, with a trading volume of 85,800 shares and a transaction value of 397 million yuan [2] - Other notable stocks included XD Shenghui Group, which rose by 9.99% to 44.15, and Yihai Port and Macao, which increased by 7.66% to 26.28 [1][2]