CNCEC(SH:601117) Jin Rong Jie·2025-04-15 07:51Group 1 - The A-share market indices closed mixed, with the CSI 300 Construction Engineering Index reported at 3396.52 points [1] - The CSI 300 Construction Engineering Index has decreased by 2.86% over the past month, 3.15% over the past three months, and 9.76% year-to-date [2] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries for comprehensive performance analysis [2] Group 2 - The CSI 300 Construction Engineering Index is entirely composed of stocks from the Shanghai Stock Exchange, with a 100% allocation [3] - Within the index's holdings, infrastructure construction accounts for 58.26%, housing construction for 34.83%, and specialized engineering for 6.90% [3] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [3]