The price of oil had spiked to nearly $120 a barrel on Monday, drawing remarks by President Trump that he believed the war on Iran was "very complete."
Stock futures fall as traders weigh Trump's signal that Iran war may soon end: Live updates CNBCLive updates: Iran's next supreme leader is named as oil prices soar CNNIran Live Updates: After Global Economy Shudders, Trump Zigzags on Whether War Is Nearing End The New York TimesIran war may end ‘pretty quickly': What Trump told Republicans Al Jazeera
Concern that oil production and shipment from the region will remain limited has lifted the price of crude oil — the largest factor in the cost of a gallon of gas — sharply.