The price of crude oil has swung sharply as uncertainty over the war in the Middle East continues.

The latest move higher comes amid reports that the U.S. will look to extend its blockade of Iranian ports.

The price of crude oil has swung sharply as uncertainty over the war in the Middle East continues.

Oil extended gains Thursday on signs of a prolonged U.S. blockade of Iranian exports and stalled nuclear negotiations.

Oil markets spooked as Donald Trump appears willing to maintain the US Navy blockade and Iran keeps strait of Hormuz all but shut