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中证国新国企航空航天科技指数下跌0.13%,前十大权重包含中航西飞等

Core Viewpoint - The China Securities Index for State-owned Enterprises in Aerospace Technology has shown significant growth over the past month, three months, and year-to-date, indicating a positive trend in the aerospace sector [1]. Group 1: Index Performance - The China Securities Index for State-owned Enterprises in Aerospace Technology opened high but fell by 0.13% to 2557.08 points, with a trading volume of 24.642 billion yuan [1]. - Over the past month, the index has increased by 12.14%, by 16.11% over the last three months, and by 10.25% year-to-date [1]. Group 2: Index Composition - The index comprises 40 representative listed companies from state-owned enterprises involved in aerospace equipment, materials, information, and security [1]. - The index is based on a starting point of 1000.0 points as of December 28, 2018 [1]. Group 3: Top Holdings - The top ten weighted companies in the index are: - Aero Engine Corporation of China (9.36%) - AVIC Xi'an Aircraft Industry (8.68%) - AVIC Optoelectronics (7.37%) - AVIC Shenyang Aircraft Corporation (6.34%) - Hongdu Aviation Industry (5.37%) - Northern Navigation (4.38%) - AVIC Aircraft (3.91%) - AVIC High-tech (3.87%) - Aerospace Electronics (3.77%) - Zhongke Star Map (3.64%) [1]. Group 4: Market Distribution - The market distribution of the index holdings shows that the Shanghai Stock Exchange accounts for 64.38%, the Shenzhen Stock Exchange for 35.02%, 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: 83.10% - Materials sector: 5.90% - Information technology: 4.91% - Communication services: 4.52% - Consumer discretionary: 1.57% [2]. Group 6: Sample Adjustment - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]. - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2].