Brent crude futures for August fell 38 cents, or 0.5%, to $71.51 a barrel by 0519 GMT, after earlier hitting $72.27, their highest since May 2019.
Oil pulled back after hitting fresh multi-year highs on Monday, as investors awaited the outcome of this week's talks between Iran and world powers over a nuclear deal that is expected to boost crude supplies.
Brent crude futures for August fell 38 cents, or 0.5%, to $71.51 a barrel by 0519 GMT, after earlier hitting $72.27, their highest since May 2019. U.S. West Texas Intermediate crude for July touched $70 for the first time since October 2018 but reversed course to be at $69.32 a barrel, down 30 cents, or 0.4%, as reported by Reuters.
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Global oil demand is expected to exceed supplies in the second half despite a gradual easing of supply cuts by OPEC+ producers, analysts say.
A slowdown in talks between Iran and global powers in reviving a 2015 nuclear deal and a drop in U.S. rig count also supported oil prices.
Iran and global powers will enter a fifth round of talks on June 10 in Vienna that could include Washington lifting economic sanctions on Iranian oil exports.