Fox News | Russian Ruble Collapses to 7-Month Low on Weak Oil Prices ABC News The Russian ruble plunged 2.3 percent on Monday to hit a seven-month low amid a further drop in oil prices, the country's key export. The ruble traded at 70.7 to the dollar in early trading in Moscow, its lowest level since Jan. 30, when Russian ... Ruble Hits Another Low |