破唱片再放一次，股市風險管理至關重要。風險的排列從大到小，個股(TLT) > 行業係統股(QQQ) >標普指數(SPY)

來源: hhtt 於 2023-10-08 19:03:06 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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