The prudent approach to fad investments is to ignore them, instead find things which are overlooked in the fad, hence undervalued, and put your money in them. I

The prudent approach to fad investments is to ignore them, instead find things which are overlooked in the fad, hence undervalued, and put your money in them. I'd be surprised if Buffet was doing anything much different. And, by definition, no one can 'get the timing right' in bubbles, some are lucky, most aren't.