基本功 | 指数大涨，为啥有些指数基金却严重掉队？

Group 1 - The core idea emphasizes the importance of solid foundational knowledge in investing and selecting the right funds to enhance investment success [2] - The article discusses the phenomenon of index funds underperforming despite overall index gains, attributing this to high new subscription amounts leading to a "dilution effect" [3] Group 2 - The content encourages readers to engage with a dedicated section on foundational investment knowledge, suggesting that a better understanding can lead to improved investment outcomes [7]