Jin Rong Jie·2025-05-15 09:52Group 1 - The core viewpoint of the news is that the China Securities New Energy Vehicle Index has shown mixed performance, with a recent decline despite a positive trend over the past month and year-to-date [2][1]. - The China Securities New Energy Vehicle Index has increased by 7.73% in the last month, decreased by 2.33% in the last three months, and has risen by 5.46% year-to-date [2]. - The index includes companies involved in lithium batteries, charging piles, and new energy vehicles, reflecting the overall performance of related listed companies [2]. Group 2 - The top ten weighted companies in the index are BYD (13.83%), Huichuan Technology (11.28%), CATL (9.99%), Sanhua Intelligent Control (4.83%), Yiwei Lithium Energy (4.55%), Huayou Cobalt (3.81%), Ganfeng Lithium (2.84%), Greeenme (2.58%), Tianqi Lithium (2.45%), and Hongfa Technology (2.25%) [2]. - The index's holdings are primarily listed on the Shenzhen Stock Exchange (83.07%), followed by the Shanghai Stock Exchange (16.31%) and the Beijing Stock Exchange (0.62%) [2]. - The industry composition of the index holdings includes 56.48% in industrials, 24.71% in consumer discretionary, 17.65% in materials, and 1.15% in information technology [2]. Group 3 - The index samples are 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 circumstances allowing for temporary adjustments [3]. - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to specific calculation and maintenance guidelines [3].