CGE(SZ:002542) Zheng Xing Xing Ye Ri Bao·2025-10-21 08:30Market Performance - The professional engineering sector increased by 1.79% on the previous trading day, with Zhonghua Rock and Soil leading the gains [1] - The Shanghai Composite Index closed at 3916.33, up 1.36%, while the Shenzhen Component Index closed at 13077.32, up 2.06% [1] Key Stocks in Professional Engineering Sector - Zhonghua Rock and Soil (002542) closed at 4.05, up 10.05%, with a trading volume of 853,400 shares and a transaction value of 342 million [1] - Aiman Co., Ltd. (605289) closed at 75.26, up 6.68%, with a trading volume of 36,600 shares and a transaction value of 268 million [1] - Stock performance details for other companies in the sector include: - Stock Code 300517 (Cunliang Development) closed at 11.95, up 5.01% [1] - Stock Code 600477 (Hangxiao Steel Structure) closed at 2.86, up 4.76% [1] - Stock Code 920019 (Tongguan Mining Construction) closed at 22.18, up 4.62% [1] Capital Flow Analysis - The professional engineering sector saw a net inflow of 205 million from institutional investors, while retail investors experienced a net inflow of 42.9 million [2] - The main capital flow details indicate that Zhonghua Rock and Soil had a net inflow of 193 million, accounting for 56.49% of the total [3] - Other notable net inflows include: - North International (000065) with a net inflow of 46.79 million [3] - China Metallurgical Group (601618) with a net inflow of 28.03 million [3]