Oil on track for first weekly loss in five weeks on strong dollar

By Karolin Schaps LONDON (Reuters) - Oil prices fell on Friday as a strong dollar made it more expensive to hold the dollar-denominated commodity, setting contracts up for the first weekly loss in five weeks. U.S. West Texas Intermediate (WTI) crude was trading at $50.33 a barrel, down 30 cents from its last settlement. As the dollar surged to a seven-month high against a basket of currencies, its third straight week of gains, oil prices slipped to set up the first weekly loss since mid-Septembe