沪深300汽车零配件指数报5828.38点，前十大权重包含赛轮轮胎等

Group 1 - The Shanghai Composite Index opened lower but rose, with the CSI 300 Automotive Parts Index reported at 5828.38 points [1] - The CSI 300 Automotive Parts Index has decreased by 0.41% over the past month, 2.54% over the past three months, and 8.10% 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 [1] Group 2 - The CSI 300 Automotive Parts Index has a market share distribution of 88.03% from the Shanghai Stock Exchange and 11.97% from the Shenzhen Stock Exchange [1] - Within the CSI 300 Automotive Parts Index, the composition by industry shows that automotive interior and exterior parts account for 56.42%, automotive system components for 17.08%, tires for 14.53%, and automotive electronics for 11.97% [1]