Zheng Xing Xing Ye Ri Bao·2025-10-31 08:42Market Overview - The professional engineering sector experienced a decline of 0.59% on October 31, with China Metallurgical Group leading the drop [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Stock Performance - Notable gainers included: - Shikong Technology (605178) with a closing price of 69.83, up 10.00% and a trading volume of 347,100 shares, totaling 2.348 billion yuan [1] - Yaxiang Integration (603929) also rose by 10.00% to 42.46, with a trading volume of 38,800 shares, totaling 165 million yuan [1] - Other significant gainers included: - Nengzha Technology (301046) up 4.92% to 26.01 [1] - Yongfu Co., Ltd. (300712) up 4.70% to 27.84 [1] Fund Flow Analysis - The professional engineering sector saw a net inflow of 25.34 million yuan from institutional investors, while retail investors experienced a net outflow of 53.75 million yuan [2] - Key stocks with significant fund flows included: - Yongfu Co., Ltd. (300712) with a net inflow of 43.46 million yuan from institutional investors [3] - China Chemical (601117) with a net inflow of 39.53 million yuan [3] - Conversely, stocks like Yaxiang Integration (603929) and Tianwo Technology (002564) faced net outflows from retail investors [3]