Reuters | Oil slips on US economy concern, Brent holds near $50 Reuters NEW YORK Oil prices dipped on Friday on concerns about the U.S. economy, but Brent crude held close to $50 a barrel in choppy trading with support from a weaker dollar and relief that most OPEC members do not plan to flood the market with excess crude. Opec fails to reach agreement on oil production levels OPEC Holds Love-In, Declares Victory In War On American Oil In oil markets, US inventories blunt OPEC effect |