Jamie Dimon talks about bitcoin one day after saying 'I'm not going to talk about bitcoin anymore'

Jamie Dimon can't get bitcoin off his mind. 
JPMorgan's CEO popped off about bitcoin one day after saying he was done talking about the red-hot digital currency, which Friday morning reached more than $5,800 per coin. 
The billionaire banker, who in mid-September called bitcoin "a fraud" said on Friday "who cares about bitcoin" while speaking at a conference in Washington DC.
He also said that governments "are going to crush it one day."
"If you're stupid