Inovance(300124) 金融界·2025-05-12 07:32Group 1 - The Shanghai Composite Index opened high and the CSI 300 Machinery Manufacturing Index reported 5990.16 points [1] - The CSI 300 Machinery Manufacturing Index has increased by 4.51% in the past month, 2.70% in the past three months, and 4.12% year-to-date [2] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [2] Group 2 - The top ten weights in the CSI 300 Machinery Manufacturing Index are: Huichuan Technology (18.27%), Sany Heavy Industry (14.28%), CRRC Corporation (10.71%), Weichai Power (9.94%), XCMG (9.0%), China Shipbuilding (8.24%), China Heavy Industry (6.03%), Hengli Hydraulic (4.98%), Zoomlion (4.63%), and Yutong Bus (4.29%) [2] - The market segments of the CSI 300 Machinery Manufacturing Index are composed of 54.62% from the Shanghai Stock Exchange and 45.38% from the Shenzhen Stock Exchange [2] Group 3 - The industry composition of the CSI 300 Machinery Manufacturing Index includes: Engineering Machinery (27.91%), Electric Motors and Industrial Control Automation (18.27%), Shipbuilding and Other Marine Equipment (17.25%), Commercial Vehicles (15.10%), Urban Rail and Railways (13.81%), Fluid Machinery (4.98%), and Other Specialized Machinery (2.68%) [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 each year [3] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [3]