破唱片再放一次，股市风险管理至关重要。风险的排列从大到小，个股(MSFT)>行业系统股(QQQ)>标普指数(SPY)

来源: hhtt 于 2025-08-26 10:59:17 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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