Zheng Xing Xing Ye Ri Bao·2025-10-20 08:27Market Overview - The professional engineering sector increased by 0.36% on the previous trading day, with *ST Tianlong leading the gains [1] - The Shanghai Composite Index closed at 3863.89, up 0.63%, while the Shenzhen Component Index closed at 12813.21, up 0.98% [1] Stock Performance - *ST Tianlong (300029) closed at 6.15, with a rise of 6.40% and a trading volume of 49,300 shares, amounting to approximately 30.01 million yuan [1] - Zhonghua Rock and Soil (002542) saw a closing price of 3.68, up 4.84%, with a trading volume of 387,100 shares, totaling around 138 million yuan [1] - Northern International (000065) closed at 11.21, increasing by 3.03%, with a trading volume of 223,500 shares, equating to about 250 million yuan [1] - Other notable stocks include Tongguan Mining Construction (920019) at 21.20 (+2.56%), and China Steel International (000928) at 6.48 (+2.21%) [1] Capital Flow - The professional engineering sector experienced a net inflow of 20.83 million yuan from institutional investors, while retail investors contributed a net inflow of 14.99 million yuan [2] - However, speculative funds saw a net outflow of 35.82 million yuan [2] Individual Stock Capital Flow - China Zhongzhi (601618) had a net inflow of 57.07 million yuan from institutional investors, representing 8.96% of its total capital [3] - Northern International (000065) experienced a net inflow of 36.31 million yuan from institutional investors, accounting for 14.52% [3] - Zhonggang International (000928) saw a net inflow of 24.36 million yuan from institutional investors, which is 17.19% of its total capital [3] - Other stocks like Zhonghua Rock and Soil (002542) and Hangxiao Steel Structure (600477) also showed varying degrees of net inflow and outflow from different investor categories [3]