Jin Rong Jie·2025-05-16 07:35Group 1 - The Shanghai Composite Index decreased by 0.40%, while the CSI 300 Automotive and Parts Index reported at 10,250.88 points [1] - The CSI 300 Automotive and Parts Index increased by 3.26% over the past month, decreased by 2.36% over the past three months, and has risen by 4.75% year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing a comprehensive analysis tool for investors [1] Group 2 - The top ten holdings in the CSI 300 Automotive and Parts Index are BYD (39.29%), Seres (12.08%), Fuyao Glass (10.46%), SAIC Motor (8.91%), Changan Automobile (7.0%), Top Group (3.99%), Sailun Tire (3.85%), Great Wall Motors (3.38%), Huayu Automotive (3.38%), and Desay SV Automotive (3.34%) [1] - The market share of the CSI 300 Automotive and Parts Index is 50.37% from the Shanghai Stock Exchange and 49.63% from the Shenzhen Stock Exchange [2] - The composition of the index by industry shows that passenger cars account for 72.71%, automotive interior and exterior parts for 16.12%, automotive system components for 3.99%, tires for 3.85%, and automotive electronics for 3.34% [2] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index [2] - Special events affecting sample companies may lead to adjustments in the industry classification of the CSI 300 Industry Index [2]