SPY有30%與QQQ重疊，SPY更穩一些，如果願意承受波動可以買QQQ，回報比SPY要好一些。

來源: parentb 於 2024-04-25 11:27:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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