Oil loses more ground below $50 hit by Brexit, inventory rise

By Amanda Cooper LONDON (Reuters) - Oil prices on Wednesday were on course for a fifth fall in what would be their longest losing streak since February, knocked by mounting concerns about Britain's possible exit from the European Union and a surprise rise in U.S. inventories. Brent crude futures fell 70 cents on the day to $49.13 a barrel by 1125 GMT, while U.S. crude prices fell 47 cents to $48.02. Data from the American Petroleum Institute, however, showed U.S. crude inventories rose by 1.2 mi