Zheng Xing Xing Ye Ri Bao·2026-02-04 08:57Core Insights - The renovation and building materials sector experienced a significant increase of 3.6% on February 4, with Jianlang Hardware leading the gains [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] Sector Performance - Jianlang Hardware (002791) saw a closing price of 25.70, with a rise of 10.02% and a trading volume of 166,500 shares, amounting to a transaction value of 410 million yuan [1] - Keshun Co., Ltd. (300737) closed at 7.55, up 8.63%, with a trading volume of 725,400 shares and a transaction value of 531 million yuan [1] - Dongfang Yuhong (002271) closed at 18.26, increasing by 6.97%, with a trading volume of 795,100 shares and a transaction value of 1.427 billion yuan [1] - Other notable performers included Tubaobao (002043) with a 5.67% increase and Beixin Building Materials (000786) with a 5.61% increase [1] Capital Flow - The renovation and building materials sector saw a net inflow of 203 million yuan from institutional investors, while retail investors experienced a net outflow of 1.44 billion yuan [2] - The main capital inflow was observed in Dongfang Yuhong, with a net inflow of 129 million yuan, representing 9.07% of the total [3] - Beixin Building Materials had a net inflow of 119 million yuan, accounting for 7.70% of the total, while Keshun Co., Ltd. had a net inflow of 66.34 million yuan, representing 12.49% [3]