U.S. News & World Report | Russian ruble collapses to 7-month low on weak oil prices U.S. News & World Report People walk past an exchange office sign showing the currency exchange rates in Moscow, Russia, Friday, Aug. 21, 2015. The Russian ruble currency is falling under the pressure of cheaper oil, reviving concerns over the country's economic outlook. Rouble nears 2015 lows as oil tumbles, China markets plunge How to Listen |