Zheng Xing Xing Ye Ri Bao·2025-12-26 09:07Group 1 - The renovation and building materials sector increased by 0.82% compared to the previous trading day, with Yangzi New Materials leading the gains [1] - The Shanghai Composite Index closed at 3963.68, up 0.1%, while the Shenzhen Component Index closed at 13603.89, up 0.54% [1] - Key stocks in the renovation and building materials sector showed significant price increases, with Yangzi New Materials rising by 9.95% to a closing price of 4.42 [1] Group 2 - The sector experienced a net outflow of 431.95 million yuan from institutional investors, while retail investors saw a net inflow of 3988.71 million yuan [2] - The top stocks by net inflow from retail investors included Dongfang Nanban and Wanli Stone, with net inflows of 935.93 million yuan and 959.06 million yuan respectively [3] - The overall trading volume in the renovation and building materials sector was notable, with Yangzi New Materials achieving a transaction amount of 245 million yuan [1]