Group 1 - The article discusses various ETFs related to the renewable energy sector, highlighting their performance and underlying indices [1]. - The E Fund New Energy ETF tracks the China Securities New Energy Index, which covers the entire renewable energy industry chain, including lithium batteries, photovoltaics, wind power, hydropower, and nuclear power [1]. - As of the midday close, the E Fund New Energy ETF experienced a decline of 0.7%, with a rolling price-to-sales ratio of 52.2 times and a valuation percentile of 85.3% since its inception in 2015 [1]. Group 2 - The E Fund Energy Storage Battery ETF focuses on the National Securities New Energy Battery Index, which consists of 50 companies involved in battery manufacturing, energy storage inverters, and battery system integration [1]. - The index saw an increase of 0.4% at midday, with a rolling price-to-sales ratio of 31.5 times and a valuation percentile of 84.6% since its launch in 2015 [1]. Group 3 - The E Fund Photovoltaic ETF tracks the China Securities Photovoltaic Industry Index, which includes 50 representative companies across the photovoltaic industry chain [1]. - The index rose by 0.3% as of midday, with a rolling price-to-sales ratio of 2.4 times and a valuation percentile of 47.3% since its establishment in 2019 [1].