Zheng Xing Xing Ye Ri Bao·2026-01-30 09:00Market Overview - The infrastructure sector declined by 0.77% on January 30, with Guosheng Technology leading the drop [1] - The Shanghai Composite Index closed at 4117.95, down 0.96%, while the Shenzhen Component Index closed at 14205.89, down 0.66% [1] Top Performers in Infrastructure Sector - Hongrun Construction (002062) closed at 10.19, up 5.82% with a trading volume of 490,800 shares and a transaction value of 497 million [1] - Chengbang Co., Ltd. (603316) closed at 14.81, up 5.63% with a trading volume of 276,400 shares and a transaction value of 406 million [1] - ST Jianhai (002586) closed at 4.92, up 4.90% with a trading volume of 272,900 shares and a transaction value of 131 million [1] Underperformers in Infrastructure Sector - Yuanzhang Technology (603778) closed at 12.89, down 6.73% with a trading volume of 975,900 shares and a transaction value of 1.284 billion [2] - Guanzhong Ecology (300948) closed at 20.64, down 5.06% with a trading volume of 96,000 shares and a transaction value of 201 million [2] - ST Lingnan (002717) closed at 1.60, down 4.76% with a trading volume of 522,200 shares and a transaction value of 84.62 million [2] Capital Flow Analysis - The infrastructure sector experienced a net outflow of 1.301 billion from main funds, while retail investors saw a net inflow of 1.117 billion [2] - The main funds showed a negative net flow in several companies, including Hongrun Construction with a net outflow of 29.1 million [3] - Retail investors contributed positively to companies like Chengbang Co., Ltd. with a net inflow of 1.419 million [3]