电池概念集体爆发，储能电池ETF（159566）早盘获近3000万份净申购

Group 1 - The article discusses the performance of various indices, including the photovoltaic industry index and the carbon neutrality index, highlighting their focus on clean energy and carbon reduction sectors [5][7]. - The photovoltaic industry index consists of 50 representative companies across the upstream, midstream, and downstream sectors of the photovoltaic industry, indicating its significance in future energy [5]. - The carbon neutrality ETF tracks the carbon neutrality index, which includes 100 stocks from both clean energy and high carbon reduction potential sectors, emphasizing the growing importance of low-carbon investments [7]. Group 2 - As of the latest midday close, the photovoltaic industry index showed a gain of 2.9% with a rolling price-to-earnings ratio of 54.7 times [2]. - The carbon neutrality index reported a gain of 1.9% with a rolling price-to-book ratio of 24.8 times, reflecting investor interest in sustainable investment opportunities [8]. - The article notes that the indices are ranked based on their scale and management fees, with the carbon neutrality ETF having a low fee rate of 0.15% per year [9].