Zheng Xing Xing Ye Ri Bao·2025-12-31 09:06Market Overview - The infrastructure sector increased by 0.16% on December 31, with Guosheng Technology leading the gains [1] - The Shanghai Composite Index closed at 3968.84, up 0.09%, while the Shenzhen Component Index closed at 13525.02, down 0.58% [1] Top Performers - Guosheng Technology (603778) closed at 17.60, up 7.84% with a trading volume of 858,400 shares and a transaction value of 1.466 billion [1] - Guanzhong Ecology (300948) closed at 21.69, up 5.55% with a trading volume of 94,800 shares and a transaction value of 203 million [1] - China Nuclear Engineering (601611) closed at 13.48, up 4.01% with a trading volume of 1,951,000 shares and a transaction value of 1.265 billion [1] Underperformers - C Haofan (001396) closed at 43.15, down 13.72% with a trading volume of 117,200 shares and a transaction value of 525 million [2] - Dongzhu Ecology (603359) closed at 9.54, down 4.31% with a trading volume of 907,400 shares and a transaction value of 89.57 million [2] - Jiangjian Co. (603815) closed at 7.44, down 2.36% with a trading volume of 211,700 shares and a transaction value of 158 million [2] Capital Flow - The infrastructure sector experienced a net outflow of 113 million from institutional investors, while retail investors saw a net inflow of 4.06 million [2] - The main capital inflow was observed in Huylu Ecology (001267) with a net inflow of 98.54 million, accounting for 9.78% of the total [3] - China Nuclear Engineering (601611) had a net inflow of 50.82 million, representing 4.02% of the total [3]