LIVE: Bitcoin abruptly hits $80,000

Bitcoin has broken above $80,000, taking its four-day gain to 30%, while the crypto market has added $450 billion since Monday. Gold is having a strong week, with futures at $4,647.70 and spot gold at $4,588.08, while Treasury yields are barely moving. Oil is lower Friday, although Brent is still headed for an almost 6%...