這要看你的投資目標和風險承受能力？等權重投資組合減少風險，也就減少盈利？SPY和RSP對比一下，就知道了。

來源: hhtt 於 2025-05-23 18:35:42 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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