過去三四十年股市曆史，QQQ有過崩盤80%以上的，SPY有崩盤一半的，在退休前，還要做幾次投資組合的調整？

來源: hhtt 於 2025-07-26 11:05:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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