CNBC | Oil trades near four-year peak ahead of Trump's sanctions on Iran CNBC Oil prices steadied on Tuesday but remained near their highest since November 2014 as markets braced for tighter supply once U.S. sanctions against Iran kick in next month. International benchmark Brent crude oil gained 1 cent to $84.99 per barrel by ... Oil Holds Gains as Global Supply Tightens Why Oil Prices Are at a 4-Year High—And May Soon Go Even Higher Oil trades near four-year peak ahead of sanctions on Iran |