Zheng Xing Xing Ye Ri Bao·2025-10-23 08:21Market Overview - On October 23, the infrastructure sector rose by 0.45% compared to the previous trading day, with China Nuclear Engineering leading the gains [1] - The Shanghai Composite Index closed at 3922.41, up 0.22%, while the Shenzhen Component Index closed at 13025.45, also up 0.22% [1] Top Gainers in Infrastructure Sector - China Nuclear Engineering (601611) closed at 12.42, with a significant increase of 10.01%, trading volume of 2.4354 million shares and a turnover of 2.91 billion [1] - Other notable gainers include ST Lingnan (002717) with a 5.26% increase, closing at 1.80, and ST Jianhai (002586) with a 5.06% increase, closing at 4.36 [1] Top Losers in Infrastructure Sector - Xinjiang Jiaojian (002941) experienced the largest decline, down 6.65% to 18.38, with a trading volume of 909,200 shares and a turnover of 1.677 billion [2] - Other significant losers include Beixin Road and Bridge (002307) down 5.92% to 5.24, and ST Yuancheng (603388) down 4.55% to 1.05 [2] Capital Flow Analysis - The infrastructure sector saw a net inflow of 138 million from institutional investors, while retail investors contributed a net inflow of 128 million [2] - However, speculative funds experienced a net outflow of 266 million [2] Individual Stock Capital Flow - China Nuclear Engineering had a net inflow of 666 million from institutional investors, representing 22.90% of its trading volume, while it faced a net outflow of 343 million from speculative funds [3] - Tunnel Shares (600820) saw a net inflow of 44.3 million from institutional investors, but a net outflow of 38.6 million from speculative funds [3]