Dennis Gartman calls bitcoin a 'silly' idea, warns it will eventually crash under $5000

"I'm very bearish on bitcoin, I think it's one of the silliest ideas I've heard in a long time," he said. "To be separated from the brilliance of the block chain, [makes even] tulips in [17th]century Holland look almost like a quiet, well-demeanored market," Gartman said, using a frequently invoked analogy of the ...