Zheng Xing Xing Ye Ri Bao·2026-01-20 08:56Group 1 - The renovation and building materials sector increased by 3.16% on January 20, with SanKeTree leading the gains [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] - Key stocks in the renovation and building materials sector showed significant price increases, with SanKeTree rising by 10.00% to a closing price of 48.38 [1] Group 2 - The sector experienced a net inflow of 16.48 million yuan from main funds, while retail investors contributed a net inflow of 42.05 million yuan [2] - Major stocks like Beixin Building Materials and Weixing New Materials saw varying levels of net inflow and outflow from different investor types [3] - SanKeTree had a net inflow of 34.97 million yuan from main funds, despite a net outflow from retail investors [3]