Group 1 - The Shanghai Composite Index increased by 0.38%, while the CSI New Energy Vehicle Industry Index rose by 0.82%, reaching 2040.3 points with a trading volume of 31.779 billion yuan [1] - The CSI New Energy Vehicle Industry Index has seen an increase of 8.05% over the past month, a decrease of 5.56% over the past three months, and a year-to-date increase of 4.07% [1] - The index includes 50 listed companies involved in various aspects of the new energy vehicle industry, reflecting the overall performance of leading companies in this sector [1] Group 2 - The top ten weighted companies in the CSI New Energy Vehicle Industry Index are BYD (14.35%), Huichuan Technology (11.18%), CATL (10.0%), Sanhua Intelligent Control (4.86%), Yiwei Lithium Energy (4.65%), Huayou Cobalt (3.86%), Ganfeng Lithium (2.85%), Greenmeadows (2.6%), Tianqi Lithium (2.46%), and Hongfa Technology (2.25%) [1] - The market share of the index's holdings is predominantly from the Shenzhen Stock Exchange at 82.98%, while the Shanghai Stock Exchange accounts for 17.02% [1] Group 3 - In terms of industry composition, the index's sample holdings are comprised of 55.56% in industrials, 25.54% in consumer discretionary, 17.74% in materials, and 1.16% in information technology [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December each year [2] - Public funds tracking the new energy vehicle sector include several ETFs, such as Ping An CSI New Energy Vehicle Industry ETF and Huatai-PineBridge CSI New Energy Vehicle ETF [2]