专业工程板块11月11日涨0.29%，杭萧钢构领涨，主力资金净流出2.68亿元

Core Insights - The professional engineering sector saw a slight increase of 0.29% on November 11, with Hangxiao Steel Structure leading the gains [1] - The Shanghai Composite Index closed at 4002.76, down 0.39%, while the Shenzhen Component Index closed at 13289.0, down 1.03% [1] Stock Performance - Hangxiao Steel Structure (600477) closed at 3.10, up 9.93% with a trading volume of 1.4153 million shares and a transaction value of 431 million yuan [1] - Other notable performers included Nenghui Technology (301046) with a 6.62% increase, closing at 30.92, and Jiapo Aoshi (605598) with a 5.42% increase, closing at 38.32 [1] - Conversely, Shikong Technology (605178) experienced a significant decline of 8.87%, closing at 67.62 with a trading volume of 211,400 shares and a transaction value of 1.507 billion yuan [2] Capital Flow - The professional engineering sector experienced a net outflow of 268 million yuan from institutional investors, while retail investors saw a net inflow of 129 million yuan [2] - Notable net inflows from retail investors were observed in stocks like Hangxiao Steel Structure and Nenghui Technology, while significant outflows were noted in Shikong Technology and other companies [3]