Reuters | Oil edges up ahead of US data, OPEC jostling caps gains Reuters LONDON Oil edged up on Tuesday ahead of the release of U.S. crude inventory data, which in recent weeks has provided bullish surprises, but comments by OPEC members regarding chances of an output cut kept a lid on prices. Brent crude oil futures was ... Oil edges higher ahead of US data, OPEC squabbles cap gains North American oil down in price |