Zheng Xing Xing Ye Ri Bao·2025-10-22 08:26Market Overview - On October 22, the infrastructure sector rose by 0.68% compared to the previous trading day, with Beixin Road and Bridge leading the gains [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Key Stocks Performance - Beixin Road and Bridge (002307) closed at 5.57, up 10.08% with a trading volume of 517,700 shares and a transaction value of 288 million yuan [1] - Wenke Co., Ltd. (002775) closed at 4.89, up 5.16% with a trading volume of 703,600 shares [1] - ST Yipin (603843) closed at 5.59, up 5.08% with a trading volume of 87,300 shares [1] - ST Lingnan (002717) closed at 1.71, up 4.91% with a trading volume of 1,675,400 shares [1] - Yuanlin Co., Ltd. (605303) closed at 69.61, up 4.79% with a trading volume of 186,200 shares [1] Capital Flow Analysis - The infrastructure sector experienced a net outflow of 492 million yuan from institutional investors, while retail investors saw a net inflow of 594 million yuan [2][3] - The main stocks with significant net inflows from retail investors included Beixin Road and Bridge, Wenke Co., Ltd., and Sichuan Road and Bridge [3] - Beixin Road and Bridge had a net inflow of 109 million yuan from institutional investors, accounting for 37.96% of its trading volume [3]