Longi(601012) 金融界· Jin Rong Jie·2025-05-15 16:03Group 1 - The core viewpoint of the news is the performance of the CSI New Materials Theme Index, which has shown a decline in recent trading sessions despite a slight increase over the past month [1] - The CSI New Materials Theme Index has decreased by 1.58% to 2886.44 points, with a trading volume of 21.047 billion yuan [1] - Over the past month, the index has increased by 3.35%, but it has decreased by 2.25% over the last three months and by 1.24% year-to-date [1] Group 2 - The CSI New Materials Theme Index includes 50 listed companies involved in advanced steel, non-ferrous metals, chemicals, inorganic non-metals, and other new materials [1] - The index's top ten holdings are: CATL (10.61%), North Huachuang (9.86%), Wanhua Chemical (7.81%), Longi Green Energy (6.6%), Huayou Cobalt (3.41%), Sanan Optoelectronics (3.14%), Tongwei Co. (3.35%), and others [1] - The market share of the index's holdings is 54.72% from the Shenzhen Stock Exchange, 44.74% from the Shanghai Stock Exchange, and 0.54% from the Beijing Stock Exchange [1] Group 3 - The industry composition of the index's sample shows that industrials account for 43.54%, materials for 33.04%, and information technology for 23.42% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Public funds tracking new materials include various ETFs and mutual funds, such as Tianhong CSI New Materials C, Huaxia CSI New Materials Theme ETF, and others [2]