
Group 1 - The Shanghai Urban Infrastructure Index (H50034) experienced a slight decline of 0.01%, closing at 1237.17 points with a trading volume of 16.678 billion yuan [1] - Over the past month, the Shanghai Urban Infrastructure Index has increased by 6.04%, and by 6.76% over the last three months, while it has decreased by 1.59% year-to-date [1] - The index reflects the performance of listed companies influenced by changes in economic and consumption structures, focusing on themes such as intensive, intelligent, and green low-carbon development [1] Group 2 - The top ten weighted stocks in the Shanghai Urban Infrastructure Index include China State Construction (9.44%), China Railway (6.99%), and Poly Development (6.9%) among others [1] - The index is composed entirely of stocks listed on the Shanghai Stock Exchange, with the industrial sector accounting for 57.78%, real estate for 31.31%, and materials for 10.91% [2] - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [2]