Core Points - The China Securities Index for Central Enterprises in Modern Industries has shown a slight decline of 0.05%, closing at 1234.32 points with a trading volume of 51.686 billion yuan [1] - Over the past month, the index has increased by 4.94%, by 5.11% over the last three months, and by 1.61% year-to-date [1] - The index is customized by Guoxin Investment Co., Ltd., selecting 50 representative listed companies from state-owned enterprises involved in new mobile technologies, new energy, new materials, and high-end equipment [1] Company Holdings - The top ten weighted companies in the index include Hikvision (9.58%), China Telecom (8.62%), China Mobile (8.2%), CRRC Corporation (6.48%), China Shipbuilding (6.38%), China Unicom (5.69%), China Heavy Industry (4.06%), Three Gorges Energy (3.99%), Shenzhen South Circuit (3.47%), and SMIC (2.92%) [1] - The index's holdings are primarily listed on the Shanghai Stock Exchange (68.18%) and the Shenzhen Stock Exchange (31.82%) [1] Industry Composition - The industry composition of the index shows that Information Technology accounts for 31.14%, Communication Services for 28.79%, Industry for 25.77%, Materials for 8.07%, Utilities for 4.17%, Healthcare for 1.76%, and Consumer Staples for 0.30% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]

Group 1 - The core index, the China Securities National New Central Enterprises Modern Industry Leading Index, rose by 1.33% to 1166.46 points with a trading volume of 20.746 billion yuan [1] - Over the past month, the index has increased by 0.43%, but it has decreased by 4.56% over the past three months and by 5.29% year-to-date [1] - The index is customized by Guoxin Investment Co., Ltd., selecting 50 representative listed companies in fields such as new mobile technology, new energy, new materials, and high-end equipment from state-owned enterprises [1] Group 2 - The top ten weighted stocks in the index include China Telecom (9.94%), Hikvision (9.38%), China Mobile (9.3%), CRRC (7.34%), China Unicom (6.6%), China Shipbuilding (5.97%), Three Gorges Energy (5.35%), China Heavy Industry (3.59%), Baosteel (3.43%), and SMIC (2.99%) [1] - The index's holdings are primarily listed on the Shanghai Stock Exchange (68.55%) and the Shenzhen Stock Exchange (31.45%) [1] Group 3 - The industry composition of the index shows that information technology accounts for 30.35%, communication services for 29.67%, industrials for 24.19%, materials for 7.73%, utilities for 5.54%, healthcare for 2.03%, and consumer staples for 0.49% [2] - The index samples are adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Weight factors are adjusted in line with sample changes, and temporary adjustments may occur under special circumstances [2]