Zheng Xing Xing Ye Ri Bao·2025-10-15 08:37Market Overview - On October 15, the infrastructure sector rose by 1.02% compared to the previous trading day, with Guosheng Technology leading the gains [1] - The Shanghai Composite Index closed at 3912.21, up 1.22%, while the Shenzhen Component Index closed at 13118.75, up 1.73% [1] Top Performers - Guosheng Technology (603778) closed at 3.94, with a gain of 10.06% and a trading volume of 155,300 shares, amounting to a transaction value of 61.20 million yuan [1] - China Nuclear Engineering (601611) closed at 12.38, up 10.04%, with a trading volume of 3.29 million shares, resulting in a transaction value of 3.968 billion yuan [1] - Hongrun Construction (002062) closed at 10.38, increasing by 6.90%, with a trading volume of 544,500 shares, totaling 551 million yuan [1] Sector Fund Flow - The infrastructure sector saw a net inflow of 322 million yuan from institutional investors, while retail investors experienced a net outflow of 25.89 million yuan [2] - Major stocks like China Nuclear Engineering and Guosheng Technology attracted significant institutional investment, with net inflows of 398 million yuan and 366 million yuan respectively [3] Individual Stock Performance - China Nuclear Engineering had a net institutional inflow of 398 million yuan, representing 10.04% of its trading volume, while it faced a net outflow of 269 million yuan from retail investors [3] - Guosheng Technology experienced a net inflow of 366 million yuan from institutional investors, accounting for 59.81% of its trading volume, but saw a net outflow of 150 million yuan from retail investors [3]