Stock markets slump as crude oil rockets above $100 a barrel: Trump says surging prices are 'a small price to pay'

A spike in petrol prices at the pump is feared after the cost of a barrel of oil leapt above $100 for the first time in four years.

Stock markets slump as crude oil rockets above $100 a barrel: Trump says surging prices are 'a small price to pay'
A spike in petrol prices at the pump is feared after the cost of a barrel of oil leapt above $100 for the first time in four years.