专业工程板块11月7日涨0.54%，上海港湾领涨，主力资金净流出4154.46万元

Core Insights - The professional engineering sector saw a rise of 0.54% on November 7, with Shanghai Port leading the gains [1] - The Shanghai Composite Index closed at 3997.56, down 0.25%, while the Shenzhen Component Index closed at 13404.06, down 0.36% [1] Performance Summary - Top Gainers in Professional Engineering Sector: - Zhigui Rules (605598): Closed at 36.32, up 9.99%, with a trading volume of 148,900 shares and a turnover of 512 million yuan [1] - Shikong Technology (605178): Closed at 79.99, up 5.25%, with a trading volume of 214,800 shares [1] - Nenghui Technology (301046): Closed at 28.44, up 5.02%, with a trading volume of 106,300 shares and a turnover of 299 million yuan [1] - Roman Co., Ltd. (605289): Closed at 66.32, up 4.24%, with a trading volume of 154,900 shares and a turnover of 359 million yuan [1] - Donghua Technology (002140): Closed at 13.20, up 3.37%, with a trading volume of 387,900 shares and a turnover of 504 million yuan [1] - Top Losers in Professional Engineering Sector: - Shenghui Integration (603163): Closed at 47.26, down 7.64%, with a trading volume of 62,200 shares and a turnover of 296 million yuan [2] - Yaxiang Integration (603929): Closed at 50.60, down 4.53%, with a trading volume of 80,300 shares [2] - *ST Tianlong (300029): Closed at 6.60, down 2.65%, with a trading volume of 71,200 shares and a turnover of 48.33 million yuan [2] Capital Flow Analysis - On that day, the professional engineering sector experienced a net outflow of 41.54 million yuan from institutional funds, while retail investors saw a net inflow of 60.73 million yuan [2]