Cobra, I noticed in the past that the volume decrease/increase of a single ETF (for instance, SPY) often gave wrong bull/bear signals, especially if the indexes had different volume readings. SPX, NY ... Kami 发表于 2009-9-8 16:15
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但是,抛开三月和四月,edge就很高了。 happylux 发表于 2009-9-8 16:16
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