Oil prices surged, stocks dropped and investors flocked to safe havens like gold on Friday after tensions between Israel and Iran escalated, stoking concerns of a broader conflict in the region.

Although the U.S. is a net oil exporter, higher oil prices could increase inflation and lower economic growth.

A sustained rise in the price of crude oil, which jumped sharply after Israel attacked Iran, could hurt consumers and President Trump’s efforts to bring down energy costs.

Oil prices are leaping, and stocks are falling Friday on worries that escalating violence following Israel’s attack on Iranian nuclear and military targets could damage the flow of crude around the world,

Rather, it is geopolitical factors—specifically, escalating tensions in the Middle East—that are unsettling markets and pushing prices higher.