每日钉一下（估值百分位，看多少年的数据更合适？）

Group 1 - Funds are suitable investment products for ordinary people [2] - The article suggests that new investors should consider what type of funds are most appropriate for them [2] - It emphasizes the importance of psychological preparation before long-term investments [2] Group 2 - The article discusses the relevance of historical data when evaluating valuation percentiles [5] - It highlights that the choice of 3-year, 5-year, or 10-year data should depend on whether it covers extreme bear markets [5] - Specific examples of significant bear markets in A-shares are mentioned, such as the period from 2012 to 2014, which marked the lowest valuations for large-cap stocks [5]