Oil prices ticked higher in early trade on Wednesday, climbing for a fourth straight day on supply uncertainty as investors weighed conflicting messages from Tehran and Washington on whether the Strait of Hormuz is open to ships.
Brent crude futures climbed 26 cents, or 0.29%, to $91.28 by 0004 GMT, while U.S. West Texas Intermediate crude futures were up 37 cents to $85.31 a barrel.
