Group 1 - The Shanghai Central Rise Leading Enterprises Index (H50014) experienced a decline of 0.46%, closing at 3020.69 points with a trading volume of 15.059 billion yuan [1] - Over the past month, the index has decreased by 1.21%, by 2.68% over the last three months, and by 0.83% year-to-date [1] - The index is composed of leading companies from various secondary industries within selected regions, providing a reference for investors interested in China's regional economic development [1] Group 2 - The top ten weighted companies in the index include: Daqin Railway (16.7%), Luoyang Molybdenum (14.89%), Shanxi Fenjiu (14.01%), Conch Cement (13.33%), Jiangxi Copper (11.22%), JinkoSolar (3.81%), Changsha Bank (3.35%), Jiuzhoutong (2.0%), Luan Environmental Energy (1.99%), and Wentai Technology (1.93%) [1] - The index is fully represented by companies listed on the Shanghai Stock Exchange [1] Group 3 - The industry composition of the index shows that materials account for 41.97%, industrials for 25.80%, consumer staples for 14.39%, financials for 5.05%, healthcare for 4.36%, energy for 3.77%, information technology for 2.74%, communication services for 1.01%, utilities for 0.47%, and consumer discretionary for 0.46% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers, acquisitions, or splits [2]