streaming on CNBC plus. >> Welcome back to The Exchange. Bitcoin higher by about a percent while Ethereum is up more than two.That could be a good sign for stocks. That's according to my next guest who says Bitcoin is now a leading indicator. Joining me now is Tom Lee, head of research at Fundstrat and a CNBC contributor.So good to have you here on set. Welcome. >> Great to see you Morgan.>> Let's start right there. Bitcoin as a leading indicator. What's it indicating now.>> Well Bitcoin has been one month ...