Zheng Xing Xing Ye Ri Bao·2025-11-13 08:45Core Insights - The professional engineering sector saw an increase of 0.99% on November 13, with Sanwei Chemical leading the gains [1] - The Shanghai Composite Index closed at 4029.5, up 0.73%, while the Shenzhen Component Index closed at 13476.52, up 1.78% [1] Summary of Key Points Performance of Leading Stocks - Sanwei Chemical (002469) closed at 9.26, up 6.81%, with a trading volume of 635,000 shares and a transaction value of 587 million yuan [1] - Aiman Co. (605289) closed at 69.93, up 6.16%, with a trading volume of 46,200 shares and a transaction value of 318 million yuan [1] - Yongfu Co. (300712) closed at 31.58, up 4.29%, with a trading volume of 152,900 shares and a transaction value of 477 million yuan [1] - Donghua Technology (002140) closed at 12.97, up 3.93%, with a trading volume of 305,000 shares and a transaction value of 395 million yuan [1] - Baili Technology (6568209) closed at 7.50, up 3.02%, with a trading volume of 274,900 shares and a transaction value of 205 million yuan [1] Performance of Declining Stocks - Nenghui Technology (301046) closed at 29.01, down 3.04%, with a trading volume of 62,400 shares and a transaction value of 183 million yuan [2] - China Haicheng (002116) closed at 11.48, down 2.63%, with a trading volume of 621,400 shares and a transaction value of 705 million yuan [2] - Jinggong Steel Structure (600496) closed at 4.45, down 1.33%, with a trading volume of 567,700 shares and a transaction value of 252 million yuan [2] Capital Flow Analysis - The professional engineering sector experienced a net outflow of 418 million yuan from main funds, while retail funds saw a net inflow of 128 million yuan [2]