Group 1 - The Shanghai Composite Index opened high and the CSI 300 Commercial Banks Index reported 7780.10 points, with a 3.00% increase over the past month, 11.10% over the past three months, and a 15.30% increase year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing a comprehensive analysis tool for investors [1] - The top ten weights in the CSI 300 Commercial Banks Index are: China Merchants Bank (16.86%), Industrial Bank (12.27%), Industrial and Commercial Bank of China (8.23%), Bank of Communications (6.49%), Agricultural Bank of China (6.0%), Jiangsu Bank (5.23%), Shanghai Pudong Development Bank (4.78%), Minsheng Bank (4.08%), Ping An Bank (3.73%), and Shanghai Bank (3.32%) [1] Group 2 - The CSI 300 Commercial Banks Index consists of 76.30% comprehensive banks and 23.70% regional banks [2] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples or significant events affecting sample companies [2]