Zheng Xing Xing Ye Ri Bao·2025-10-28 08:40Market Overview - The professional engineering sector experienced a decline of 1.22% on October 28, with China Metallurgical Group leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable gainers included: - Rishang Group (002593) with a closing price of 5.91, up 10.06% and a trading volume of 1.067 million shares, totaling 623 million yuan [1] - Shikong Technology (605178) closed at 52.46, up 10.00% with a trading volume of 34,288 shares, totaling 17.9875 million yuan [1] - Other gainers included: - Shenghui Integration (603163) up 3.48% [1] - Sanlian Hongyin (300384) up 1.70% [1] Decliners - Major decliners included: - Gongliang Forty (601618) down 4.45% with a trading volume of 2.4354 million shares [2] - Zhongyan Dadi (003001) down 3.95% [2] - Tongguan Mining Construction (920019) down 3.18% [2] Capital Flow - The professional engineering sector saw a net outflow of 56.7941 million yuan from institutional investors, while retail investors contributed a net inflow of 42.6294 million yuan [2][3] - Notable capital flows included: - Rishang Group had a net inflow of 1.78 billion yuan from institutional investors, but a net outflow from retail investors of 8.97809 million yuan [3] - Shenghui Integration saw a net inflow of 28.62% from institutional investors [3]