沪深300资本品指数报3466.88点，前十大权重包含阳光电源等

Group 1 - The Shanghai Composite Index opened lower and fluctuated, with the CSI 300 Capital Goods Index reported at 3466.88 points [1] - The CSI 300 Capital Goods Index has decreased by 7.46% in the past month, 4.71% in the past three months, and 7.97% year-to-date [2] - The index is composed of listed companies in the capital goods sector selected from the CSI 300 Index, reflecting the overall performance of these companies [2] Group 2 - The top ten weights in the CSI 300 Capital Goods Index are: CATL (22.14%), Huichuan Technology (4.95%), China State Construction (4.07%), SANY Heavy Industry (4.01%), Guodian NARI (3.25%), LONGi Green Energy (3.2%), Sungrow Power (3.02%), CRRC (3.02%), Weichai Power (2.92%), and XCMG (2.64%) [2] - The market share of the CSI 300 Capital Goods Index is 50.58% from the Shenzhen Stock Exchange and 49.42% from the Shanghai Stock Exchange [2] - The industry composition of the index includes: Power Equipment (49.10%), Machinery Manufacturing (28.23%), Construction Decoration (15.50%), and Aerospace and Defense (7.17%) [2] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December [3] - Weight factors are generally fixed until the next scheduled adjustment, with special cases allowing for temporary adjustments [3] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to calculation and maintenance guidelines [3]