过去三四十年股市历史，QQQ有过崩盘80%以上的，SPY有崩盘一半的，在退休前，还要做几次投资组合的调整？

来源: hhtt 于 2025-07-26 11:05:09 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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