HASCO(SH:600741) Jin Rong Jie·2025-05-28 07:38Group 1 - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Automotive Parts Index reported at 5988.46 points [1] - The CSI 300 Automotive Parts Index has increased by 2.28% in the past month, decreased by 9.52% in the past three months, and has declined by 5.58% year-to-date [1] - 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, providing analytical tools for investors [1] Group 2 - The CSI 300 Automotive Parts Index has a market share distribution of 87.87% from the Shanghai Stock Exchange and 12.13% from the Shenzhen Stock Exchange [1] - Within the CSI 300 Automotive Parts Index, the industry composition includes 60.02% for automotive interior and exterior parts, 13.98% for automotive system components, 13.87% for tires, and 12.13% for automotive electronics [1] 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 [2] - Weight factors are adjusted along with the sample changes, remaining fixed until the next scheduled adjustment unless a temporary adjustment is required [2] - Special events affecting sample companies may lead to changes in industry classification, and companies that are delisted or undergo mergers, acquisitions, or splits will be handled according to maintenance guidelines [2]