Deutsche Welle | Russian ruble collapses to 7-month low on weak oil prices Mainichi Daily News MOSCOW (AP) -- The Russian ruble plunged 2.9 percent on Monday to hit a seven-month low amid a further drop in oil prices, the country's key export. The ruble was trading at 71.04 to the dollar at the close of trading in Moscow, its lowest level since Jan. Ruble follows oil price down Russian rouble hits new low as oil prices plunge further Oil Price Plunge Pushes Ruble to Seven-Month Lows |