Gains were, however, held back by rising U.S. inventories
Crude inventories rose by 6.4 million barrels to 427.6 million barrels
U.S. gasoline stocks rose by 3.4 million barrels last week
Brent crude futures were down 28 cents to $65.35 a barrel
Brent futures fell 12 cents to $65.26 a barrel
U.S. crude stocks rose more than expected last week