[DevX101]

Unless you know something everyone else doesn't (which would make this illegal), it's never a good idea to short a high valuation stock. Sure it may be overpriced, but you have to be one hell of an oracle to predict WHEN that correction will come.

If you insist on doing this, do it soon after the house of cards start to fall, but not before.

But kudos to this guy for adjusting his firmly held thesis. When money's on the line, it seems people are willing to reject their prior wrong beliefs much more easily.