The ruble weakened the most since the country intervened in Crimea and Russian stocks fell as the U.S. imposed new sanctions on companies to punish President Vladimir Putin for failing to end support for rebels in Ukraine.
Russia's War Against Ukraine
Bloomberg Businessweek: Ruble slides most since Crimea on sanctions, stocks drop
Russia's currency tumbled 1.6 percent to 34.9265 per dollar in Moscow, the most since March 3.
