CNBC | Oil prices plunge 5% as Britain votes to leave EU CNBC A rallying dollar makes oil and other commodities denominated in the greenback costlier for holders of the euro and other currencies. Brent crude settled down 4.9 percent, or $2.50, at $48.41 a barrel. It had fallen 6 percent earlier to $47.54. U.S ... Oil Prices Down but Pare Initial Losses After UK Vote to Leave EU 'Brexit' zaps oil, farm product prices but helps gold Oil prices plunge 5 percent as Britain votes to leave EU |