这要看你的投资目标和风险承受能力？等权重投资组合减少风险，也就减少盈利？SPY和RSP对比一下，就知道了。

来源: hhtt 于 2025-05-23 18:35:42 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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