Bitcoin surges by more than $2000 in just over a day

The largest digital currency by market capitalization traded 9.5 percent higher Wednesday above $8,400 as of 8:12 a.m., ET, according to CoinDesk, whose bitcoin price index tracks prices from four major exchanges. Ahead of a Tuesday morning Senate Banking Committee hearing, bitcoin fell below … social experiment by Livio Acerbo #greengroundit