In my opinion the efficient market theory is not very well efficient. How else could one explain the recent proposed purchase of H.J. Heinz (NYSE:HNZ) by Berkshire Hathaway (NYSE:BRK.A) at a 20% premium? All that excess value could have sat for years among investors were it not for a single investor who saw it and snatched it up. And let’s not forget that Berkshire is not known for overpaying. That crafty Buffett thinks there’s still more upside or he wouldn’t have done the deal.   This gets me to – as so many stories in finance and investment do ...