SPY就是我们所说的股市大盘，标普500指数，美国股市里前500家公司的股票在里面，是个公认的投资标杆。

来源: hhtt 于 2024-01-21 08:16:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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