CNBC | US oil rig count rises by 19 to 471 for biggest jump in 5-month recovery CNBC A stronger dollar makes oil, which is priced in the greenback, more expensive to buyers using other currencies. Oilfield services firm Baker Hughes reported the largest weekly rise in its count of oil rigs operating in U.S. fields since a recovery ... Oil down on firmer dollar, set for weekly gain on OPEC hopes Oil Prices Waver; Market Edgy Ahead of OPEC Meeting Oil falls, but looks set to break streak of weekly losses |