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It has been observed that stocks that earned returns at least 2% more than their risk implied in the past week, continue to earn positive alpha (that...
It has been observed that stocks that earned returns at least 2% more than their risk implied in the past week, continue to earn positive alpha (that is return greater than their risk implies) the following month. This is a violation of:
weak form EMH
semi-strong form EMH
strong form EMH
none of the above