I want to talk about Bitcoin again. Only yesterday, we were marveling at its rise to above $8,200. But last night, a $31 million heist of a related cryptocurrency, called Tether, spooked bitcoin investors and caused the price to sell off over 5% in minutes. Bitcoin has bounced back, but what does this say about the stability of the cryptocurrencies? Yahoo Finance's Alexis Christoforous and Jared Blikre discuss.