Oil prices jumped on May 8 following a direct exchange of fire between U.S. and Iranian forces in the Strait of Hormuz.
West Texas Intermediate (WTI) crude rose toward $98 per barrel.
Brent crude, the global benchmark, neared the $100 mark.
U.S. Central Command reported that guided-missile destroyers intercepted Iranian attacks and responded with self-defense strikes.
The Strait of Hormuz has remained effectively closed during the current 10-week conflict.
The International Energy Agency reports a resulting loss of 14 million barrels of crude oil per day.
Renewed hostilities jeopardize the potential for a diplomatic resolution to the conflict.
Traders anticipate a prolonged supply shock that could sustain elevated energy prices.
Market volatility reflects concerns regarding the impact of high energy costs on global inflation.