Group 1 - The Shanghai Composite Index opened lower but rose, with the SSE 50 Equal Weight Index increasing by 0.26% to 2118.58 points and a trading volume of 74.646 billion yuan [1] - The SSE 50 Equal Weight Index has risen by 2.20% in the past month, 2.43% in the past three months, and has decreased by 0.25% year-to-date [1] - The SSE 50 Equal Weight Index selects 50 representative listed companies in the Shanghai securities market based on market capitalization and liquidity, reflecting the performance of influential leading enterprises [1] Group 2 - The top ten holdings in the SSE 50 Equal Weight Index include WuXi AppTec (2.37%), Bank of China (2.32%), Bank of Communications (2.31%), Agricultural Bank of China (2.19%), Industrial and Commercial Bank of China (2.15%), LONGi Green Energy (2.14%), China Shipbuilding (2.13%), Zijin Mining (2.11%), China State Construction (2.11%), and Luoyang Molybdenum (2.11%) [1] - The industry composition of the SSE 50 Equal Weight Index shows that finance accounts for 25.16%, industrials 18.15%, information technology 13.44%, materials 8.18%, energy 7.65%, consumer discretionary 5.81%, communication services 5.76%, consumer staples 5.63%, healthcare 4.42%, utilities 3.89%, and real estate 1.90% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December, with a sample adjustment ratio generally not exceeding 10% [2]