Group 1 - The Shanghai Reform and Development Theme Index closed at 2523.18 points, with a trading volume of 29.016 billion yuan, reflecting a 0.51% increase [1] - Over the past month, the index has risen by 3.32%, and by 8.67% over the last three months, while it has decreased by 0.07% year-to-date [1] - The index primarily selects stocks from companies listed on the Shanghai Stock Exchange, focusing on themes such as the "Belt and Road" initiative, "Four Centers," and Free Trade Zone development [1] Group 2 - The top ten weighted stocks in the index include SAIC Motor (8.68%), Shanghai Port Group (7.73%), and Pudong Development Bank (7.62%) [1] - The index's holdings are entirely composed of stocks from the Shanghai Stock Exchange, with the industrial sector representing 29.98%, financial sector 22.30%, and consumer discretionary 18.22% [2] - The index samples are adjusted quarterly, with changes implemented on the next trading day following the second Friday of March, June, September, and December [2]