Investor who called last two major market crashes says bitcoin is a bubble

http://ift.tt/1AlqXNK a letter to investors Wednesday, Jeremy Grantham shares a chart illustrating how large and how rapid the bitcoin price surge has been in the last two years compared to other historical bubbles. "Historical analogy suggests this junior bubble, by size, may well crash and burn even before the broad ...

from Google Alert - Bitcoin http://ift.tt/2CoATPp