买低卖高，买低卖高。

来源: 美西游子 于 2010-10-17 10:06:08 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (180 bytes)
回答: a goog question 由 (G) 于 2010-10-17 09:34:45

nobody can tell the trend.  how can investor trade w/ trend?

my real question is this.

would you buy if double dip or sell if double top?

 

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