止损在5%左右，事实上SPY和QQQ极少一天跌那么多的，去年3月有几天比较罕见，但后来很快弹回来了

来源: meidong 于 2021-08-16 13:49:58 [旧帖] [给我悄悄话] 本文已被阅读：次

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