New U.S. sanctions against Russia will shut down trading in dollars and euros on its leading financial marketplace, the Moscow Exchange, the bourse and the central bank said on Wednesday. "Due to the introduction of restrictive measures by the United States against the Moscow Exchange Group, exchange trading and settlements of deliverable instruments in U.S. dollars and euros are suspended," the central bank said. -snip- The bank rushed out a statement, despite a public holiday in Russia, to reassure people that their dollar and euro bank deposits were secure. "Companies and individuals can continue to buy and sell U.S. dollars...