Reuters | Oil down for day on strong dollar, up for week on OPEC hope Reuters NEW YORK Oil prices were down slightly on Friday, weighed by a stronger dollar and oversupply concerns, but expectations for a cut in production from OPEC had Brent and U.S. crude on track for their first weekly gains in about a month. The Organization ... US crude settles up 27 cents at $45.69, scores first weekly gain in four weeks Oil Prices Waver; Market Edgy Ahead of OPEC Meeting Oil falls, but looks set to break streak of weekly losses |