上证新能源车产业指数报1416.99点，前十大权重包含孚能科技等

Core Viewpoint - The Shanghai New Energy Vehicle Industry Index has shown a mixed performance, with a recent increase of 2.03% over the past month, a decline of 7.35% over the last three months, and a year-to-date increase of 6.65% [1] Group 1: Index Performance - The Shanghai New Energy Vehicle Industry Index reported a value of 1416.99 points [1] - The index is based on companies related to the new energy vehicle industry listed on the Shanghai Stock Exchange, reflecting the overall performance of these securities [1] - The index was established on December 31, 2014, with a base value of 1000.0 points [1] Group 2: Index Holdings - The top ten weighted companies in the index are: Huayou Cobalt (15.78%), Hongfa Technology (11.1%), Putailai (7.66%), Junsheng Electronics (7.04%), Farah Electronics (5.83%), Tiannai Technology (5.4%), Rongbai Technology (4.33%), Funeng Technology (4.14%), Xiamen Tungsten New Energy (3.8%), and Weimaisi (2.82%) [1] - The index holdings are entirely composed of companies listed on the Shanghai Stock Exchange, with an industry breakdown of 68.53% in industrials, 15.78% in materials, 9.86% in consumer discretionary, and 5.83% in information technology [2] Group 3: Index Adjustment Mechanism - 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 special circumstances allowing for temporary adjustments [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to specific calculation and maintenance guidelines [2]