LONDON—Oil prices edged lower on Wednesday, with investors cautious ahead of an expected Federal Reserve rate hike later in the day and a spike in U.S. crude supplies.
Brent crude futures was down 85 cents to $82.79 a barrel by 1026 GMT, while U.S. West Texas Intermediate (WTI) crude was at $78.82, down 81 cents. Both hit three-month highs on Tuesday.
