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Re:Markets are efficient if and only if P = NP by tatsuke95 on Saturday September 29, 2012 @08:54AM (#4589404)
Now you just need to point to some traders who are able to make "consistent significant profits".
Re:Markets are efficient if and only if P = NP by rafcavallaro on Saturday September 29, 2012 @10:21AM (#4589628)
And not just "some" but a proportion of profitable traders greater than what we would expect due to chance - i.e. the existence of some lottery winners does not prove that playing the lottery is in general profitable.