Zheng Xing Xing Ye Ri Bao·2025-12-11 09:08Market Overview - The professional engineering sector experienced a decline of 0.24% on December 11, with the leading drop attributed to the Dayang Group [1] - The Shanghai Composite Index closed at 3873.32, down 0.7%, while the Shenzhen Component Index closed at 13147.39, down 1.27% [1] Stock Performance - Notable gainers in the professional engineering sector included: - Yaxiang Integration (603929) with a closing price of 81.08, up 10.00% on a trading volume of 62,300 shares and a transaction value of 486 million [1] - Aiman Co. (605289) closed at 75.70, up 7.74% with a trading volume of 82,600 shares and a transaction value of 621 million [1] - Nenghui Technology (301046) closed at 32.73, up 4.47% with a trading volume of 170,300 shares and a transaction value of 556 million [1] Capital Flow - The professional engineering sector saw a net outflow of 265 million from institutional investors, while retail investors contributed a net inflow of 250 million [2] - The sector's capital flow indicated that retail investors were more active compared to institutional investors, with a net inflow of 15.45 million from speculative funds [2] Individual Stock Capital Flow - Key stocks with significant capital flow included: - Yaxiang Integration (603929) had a net inflow of 42.23 million from institutional investors, while it faced a net outflow of 9.56 million from speculative funds [3] - Aiman Co. (605289) experienced a net inflow of 27.00 million from institutional investors but a net outflow of 47.47 million from speculative funds [3] - Nenghui Technology (301046) saw a net inflow of 25.81 million from institutional investors, with a net outflow of 17.36 million from speculative funds [3]