中证央企结构调整指数下跌0.53%，前十大权重包含长安汽车等

Core Viewpoint - The China Central Enterprises Structural Adjustment Index has shown a decline in recent months, indicating challenges in the performance of central state-owned enterprises in the market [1][2] Group 1: Index Performance - The China Central Enterprises Structural Adjustment Index opened lower and closed down by 0.53% at 1132.92 points, with a trading volume of 42.13 billion yuan [1] - Over the past month, the index has decreased by 0.87%, by 4.75% over the last three months, and by 4.01% year-to-date [1] Group 2: Index Composition - The index is composed of representative listed companies from central state-owned enterprises, evaluated based on market capitalization, revenue scale, shareholder equity returns, dividend payment levels, and investment in technological innovation [1] - The top ten weighted companies in the index include Hikvision (5.16%), Guodian NARI (4.66%), China Merchants Bank (3.58%), Baosteel (3.49%), China Telecom (3.42%), Changan Automobile (3.41%), SMIC (3.25%), Yangtze Power (3.06%), China Shenhua (2.78%), and China State Construction (2.76%) [1] Group 3: Market Segmentation - The index's holdings are primarily listed on the Shanghai Stock Exchange (75.21%) and the Shenzhen Stock Exchange (24.79%) [1] - In terms of industry distribution, the index shows that industrial sector accounts for 33.96%, information technology for 13.89%, communication services for 11.00%, utilities for 9.66%, energy for 9.30%, materials for 7.20%, financials for 5.55%, consumer discretionary for 4.64%, healthcare for 3.16%, and real estate for 1.64% [2] Group 4: Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - The sample adjustment typically does not exceed 20%, with a buffer zone allowing for new samples ranked within the top 80 to enter preferentially, and older samples ranked within the top 120 to be retained preferentially [2] - In special circumstances, the index may undergo temporary adjustments, such as removing samples that are delisted or handling mergers and acquisitions according to maintenance guidelines [2] Group 5: Tracking Funds - Public funds tracking the structural adjustment index include various ETFs such as Huaxia Central Enterprise Structural Adjustment ETF and Bosera Central Enterprise Structural Adjustment ETF [2]