Shares in Russia's top bank Sberbank plummet 18 pct
December 16, 2014 at 07:29 AM EST
MOSCOW, Dec 16 (Reuters) - Shares in Russia's top bank Sberbank plunged over 18 percent on Tuesday, while the rouble-denominated MICEX index was up around 2.6 percent, helped by the weaker rouble.
