Reuters | Oil prices gain on Iran sanctions worries | Reuters Reuters Oil prices gained on Thursday as the risk of renewed U.S. sanctions on Iran, plunging Venezuelan output, and robust global demand shook off the effects of a strong dollar. US Oil Exports Are Only Heading Higher Trump's Threat to Ax 'Insane' Iran Deal Is Scaring Off Oil Traders Oil settles higher as traders look past US supply, focus on Iran sanctions |