How many times have you seen midsized companies make a big bet and lose?  It’s most painful to watch when it is reckless and avoidable.

I’ve just posted an article on this point that looks at two such big bets–one disastrous and one quite successful.  I’ve identified three keys that make all the difference.  Please read and weigh in on HBR with your ideas and experience.  I’ll reply to all comments.