Core Viewpoint - The China Securities Index for State-owned Enterprises in Aerospace Technology has shown a mixed performance in the A-share market, with a recent decline but positive growth over the past month, three months, and year-to-date [1] Group 1: Index Performance - The China Securities Index for State-owned Enterprises in Aerospace Technology closed at 2453.88 points, down 0.64% with a trading volume of 17.406 billion [1] - Over the past month, the index has increased by 7.20%, by 18.44% over the last three months, and by 6.34% year-to-date [1] Group 2: Index Composition - The index comprises 40 representative listed companies from state-owned enterprises involved in aerospace technology, including sectors such as aerospace equipment, materials, information, and security [1] - The index was established on December 28, 2018, with a base value of 1000.0 points [1] Group 3: Top Holdings - The top ten weighted companies in the index are: - Aero Engine Corporation (9.24%) - AVIC Xi'an Aircraft Industry (8.48%) - AVIC Optoelectronics (7.72%) - AVIC Shenyang Aircraft Corporation (5.98%) - Hongdu Aviation (4.66%) - Northern Navigation (4.23%) - AVIC Aircraft (3.95%) - AVIC High-tech (3.94%) - Aerospace Electronics (3.91%) - Zhongke Star Map (3.86%) [1] Group 4: Market Distribution - The market distribution of the index holdings shows that the Shanghai Stock Exchange accounts for 63.93%, the Shenzhen Stock Exchange for 35.46%, and the Beijing Stock Exchange for 0.60% [1] Group 5: Industry Breakdown - The industry composition of the index holdings is as follows: - Industrial sector: 82.67% - Materials sector: 5.83% - Information technology: 5.14% - Communication services: 4.70% - Consumer discretionary: 1.67% [2] Group 6: Sample Adjustment - 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 generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2]