金融界4月17日消息，A股三大指数收盘涨跌不一，中证A100动态指数 (A100动态，H30271)报2390.71 点。 从中证A100动态指数持仓的市场板块来看，上海证券交易所占比51.04%、深圳证券交易所占比 48.96%。 从中证A100动态指数持仓样本的行业来看，信息技术占比30.36%、工业占比26.86%、金融占比 16.19%、原材料占比8.60%、可选消费占比7.86%、通信服务占比4.68%、房地产占比3.11%、医药卫生 占比2.35%。 资料显示，指数样本每半年调整一次，样本调整实施时间分别为每年6月和12月的第二个星期五的下一 交易日。每次调整的样本比例一般不超过10%。特殊情况下将对指数进行临时调整。当样本退市时，将 其从指数样本中剔除。样本公司发生收购、合并、分拆等情形的处理，参照计算与维护细则处理。 数据统计显示，中证A100动态指数近一个月下跌10.09%，近三个月下跌2.32%，年至今下跌5.72%。 据了解，中证A100、中证200动态和稳定指数分别以各自基准指数为样本空间，根据波动率因子和质量 因子计算敏感性评分，选取对宏观环境和经济周期变动具有较高风险敞口的证券构成 ...

Group 1 - The core index of the CSI A100 Dynamic Index is reported at 2362.75 points, showing a low opening and high closing trend [1] - The CSI A100 Dynamic Index has experienced a decline of 10.43% over the past month, 1.68% over the past three months, and 6.82% year-to-date [2] - The index is constructed based on volatility and quality factors, selecting securities with high risk exposure to macroeconomic changes for the dynamic index and those with lower risk exposure for the stable index [2] Group 2 - The top ten holdings of the CSI A100 Dynamic Index include Ningde Times (12.16%), China Ping An (10.91%), BYD (6.6%), CITIC Securities (5.08%), SMIC (3.79%), Luxshare Precision (3.34%), Northern Huachuang (2.99%), Huichuan Technology (2.85%), Haiguang Information (2.81%), and Cambricon (2.64%) [2] - The market capitalization distribution of the CSI A100 Dynamic Index shows that the Shanghai Stock Exchange accounts for 50.47% and the Shenzhen Stock Exchange accounts for 49.53% [2] Group 3 - The industry composition of the CSI A100 Dynamic Index includes Information Technology (30.47%), Industrials (26.85%), Financials (15.99%), Materials (8.57%), Consumer Discretionary (7.97%), Communication Services (4.77%), Real Estate (3.00%), and Health Care (2.38%) [3] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December, with a sample adjustment ratio generally not exceeding 10% [3]