Core Points - The Shanghai Composite Index decreased by 0.30%, while the CSI All-Industry Construction Products Index reported 3860.07 points [1] - The CSI All-Industry Construction Products Index has increased by 8.22% in the past month, 2.95% in the past three months, and 1.17% year-to-date [1] Group 1: Index Overview - The CSI All-Industry Construction Products Index reflects the overall performance of different industry companies within the CSI sample, categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] - The index is based on a reference date of December 31, 2004, with a base point of 1000.0 [1] Group 2: Index Holdings - The top ten weights in the CSI All-Industry Construction Products Index are: Beixin Building Materials (16.44%), Dongfang Yuhong (13.12%), Weixing New Materials (6.74%), Cangzhou Mingzhu (4.49%), Wanli Stone (3.97%), Zhongqi New Materials (3.13%), Jianlang Hardware (2.93%), Keshun Co. (2.86%), Dongpeng Holdings (2.63%), and Zhite New Materials (2.4%) [1] - The market share of the CSI All-Industry Construction Products Index holdings is 89.88% from the Shenzhen Stock Exchange, 9.58% from the Shanghai Stock Exchange, and 0.54% from the Beijing Stock Exchange [1] Group 3: Sample Adjustments - The index sample is adjusted every six months, with implementation on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI All-Industry Index [2] - Special events affecting a sample company's industry classification will lead to corresponding adjustments in the index sample [2]