Just one suggestion:
In this study, only up, or down is counted. If exclude small change days, OE weeks, what will the conclusions be. I always feel +-0.2% in a day and +-.5% in a week should be considered marginal, or unchange.
Just one suggestion:
In this study, only up, or down is counted. If exclude small change days, OE weeks, what will the conclusions be. I always feel +-0.2% in a day and +-.5% in a week sho ...
xiaofengfeng 发表于 2009-9-11 18:02