Oil down on Brexit worry and ahead of U.S. inventory data

By Barani Krishnan NEW YORK (Reuters) - Oil prices extended their losses for the fifth straight day on Wednesday, the longest losing streak since February, on fears of a dollar rally if Britain leaves the European Union and ahead of the release of U.S. crude inventory data. Also weighing on the market was Goldman Sachs' note underlining the importance of crude prices remaining below $50 a barrel for the market to achieve a much-needed supply deficit in the second half of the year. Brent crude fu