买进是安全的。但这仅仅是对spy和qqq有效。对于个股,因为走势强弱的差别,需要个别观察,总结出适用的法则。个人看法,仅供参考。
买进是安全的。但这仅仅是对spy和qqq有效。对于个股,因为走势强弱的差别,需要个别观察,总结出适用的法则。个人看法,仅供参考。
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