中证环保产业50指数上涨2.6%，前十大权重包含三峡能源等

Group 1 - The core index, the China Securities Environmental Industry 50 Index, rose by 2.6% to 1876.65 points with a trading volume of 78.228 billion yuan [1] - Over the past month, the China Securities Environmental Industry 50 Index increased by 3.95%, by 11.85% over the last three months, and by 3.12% year-to-date [2] - The index reflects the overall performance of listed companies involved in resource management, clean technology and products, and pollution management [2] Group 2 - The top ten weighted companies in the index include: Sungrow Power Supply (7.06%), TBEA (5.13%), CATL (5.04%), LONGi Green Energy (4.94%), EVE Energy (4.31%), Three Gorges Energy (4.3%), China National Nuclear Power (4.18%), Tongwei Co. (4.1%), Yangtze Power (4.03%), and GEM Co. (2.54%) [2] - The market share of the index's holdings is 51.11% from Shenzhen Stock Exchange, 48.33% from Shanghai Stock Exchange, and 0.56% from Beijing Stock Exchange [2] - The industry composition of the index's holdings shows that 75.79% is in the industrial sector and 24.21% in public utilities [2] Group 3 - The index samples are adjusted every six months, specifically on the next trading day after the second Friday of June and December [3] - Public funds tracking the Environmental 50 Index include: Guotai CSI Environmental Industry 50 ETF Link A, Guotai CSI Environmental Industry 50 ETF Link C, Guotai CSI Environmental Industry 50 ETF Link E, and Guotai CSI Environmental Industry 50 ETF [3]