Oil's bonkers week saw a 'stunning' collapse after spiking on the Trump-Iran turmoil

· *Oil this week briefly jumped to $70 a barrel, then on Wednesday sharply dropped to the mid-$60s level. *
· *"The one-day collapse in Brent crude oil by half a big handle was quite stunning," says one analyst.*
· *"There has been an abrupt reversal in risk appetite after Donald Trump's measured respond to the Iranian...