JCET(SH:600584) Jin Rong Jie·2025-07-04 14:45Group 1 - The core index, the China Securities National New State-Owned Enterprise Technology Leading Index, experienced a slight decline of 0.22%, closing at 1262.6 points with a trading volume of 27.628 billion yuan [1] - Over the past month, the index has increased by 5.31%, while it has seen a 4.44% rise over the last three months, and a negligible decline of 0.01% year-to-date [1] - The index is customized by Guoxin Investment Co., Ltd., comprising 50 listed companies in sectors such as aerospace, defense, computer, electronics, semiconductors, and communication equipment [1] Group 2 - The top ten weighted stocks in the index include Hikvision (9.46%), AVIC Shenyang Aircraft (6.92%), AVIC Optoelectronics (6.58%), Changjiang Electronics (6.49%), and others [1] - The index's holdings are primarily listed on the Shanghai Stock Exchange (58.27%) and the Shenzhen Stock Exchange (41.73%) [1] - The industry composition of the index shows that information technology accounts for 49.75%, industrials for 39.66%, and communication services for 10.59% [2] Group 3 - 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 or acquisitions [2] - Public funds tracking the index include various funds from E Fund, Yinhua, and Southern Asset Management [2]