Mei Ri Jing Ji Xin Wen·2025-05-09 05:25Group 1 - A-shares experienced a general decline today, but the banking sector performed relatively well, with banking-related ETFs showing gains of over 1% in the first half of the day [1] - The Bank ETF (512800) was particularly active, with a half-day trading volume reaching 228 million yuan [1] - The Bank ETF Fund (515020) had a half-day increase of 1.58%, with a scale of 21.8 million units and a trading volume of 9.28 million yuan [3] Group 2 - The major weight stocks in the CSI Bank Index include China Merchants Bank (15.65%), Industrial Bank (10.14%), and Industrial and Commercial Bank of China (8.07%) [4][8] - The CSI Bank Index, launched on July 15, 2013, reflects the overall performance of bank sector securities within the CSI All Share Index, providing an analytical tool for investors [3] - The CSI 800 Bank Index tracks the performance of bank stocks within the CSI 800 Index, with the Bank ETF (159887) showing a half-day increase of 1.5% and a trading volume of 49.25 million yuan [7]