Core Viewpoint - The CSI Ruilian Fundamental 400 Index has shown a slight decline of 0.03% recently, with a year-to-date drop of 2.69%, indicating a challenging market environment for the index constituents [1][2]. Group 1: Index Performance - The CSI Ruilian Fundamental 400 Index opened high but experienced fluctuations, closing at 7042.57 points with a trading volume of 1270.2 billion yuan [1]. - Over the past month, the index has increased by 2.14%, while it has decreased by 2.69% over the last three months and year-to-date [1]. Group 2: Index Composition - The index is composed of 400 stocks selected based on fundamental value, breaking the traditional market capitalization-weighted approach to avoid overexposure to overvalued securities [1]. - The top ten holdings in the index include Sichuan Changhong (1.16%), Suzhou Bank (0.9%), and SMIC (0.79%), among others [1]. - The index is weighted by fundamental value and is adjusted annually, with the next adjustment scheduled for the second Friday of June [2]. Group 3: Sector Allocation - The sector distribution of the index shows that industrials account for 23.98%, materials for 19.42%, and financials for 11.37%, with technology and consumer sectors also represented [2]. - The Shanghai Stock Exchange constitutes 56.44% of the index, while the Shenzhen Stock Exchange makes up 43.56% [1].

数据统计显示，中证锐联基本面400指数近一个月下跌5.70%，近三个月下跌2.03%，年至今下跌 4.72%。 从中证锐联基本面400指数持仓样本的行业来看，工业占比24.06%、原材料占比19.72%、金融占比 10.85%、信息技术占比9.72%、可选消费占比8.45%、医药卫生占比7.76%、通信服务占比4.78%、能源 占比3.97%、公用事业占比3.90%、房地产占比3.71%、主要消费占比3.08%。 资料显示，指数样本每年调整一次，样本调整实施时间为每年6月的第二个星期五的下一交易日。权重 因子随样本定期调整而调整，调整时间与指数样本定期调整实施时间相同。在下一个定期调整日前，权 重因子一般固定不变。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。 据了解，中证锐联基本面指数系列分别选取基本面价值最大的200只、第201至第600只和最大的600只上 市公司证券作为指数样本，采用基本面价值加权，在一定程度上打破了样本市值与其权重之间的关联， 避免了传统市值指数中过多配置高估证券的现象。该指数以2004年12月 ...