Wall Street Opens Mixed on New Russia Sanctions; Twitter Gains; Dow up 120 Pts By Investing.com - Investing.com

Wall Street Opens Mixed on New Russia Sanctions; Twitter Gains; Dow up 120 Pts

By Geoffrey Smith  Investing.com -- U.S. stock markets opened mixed on Tuesday, struggling for direction as both the U.S. and Europe ratcheted up the sanctions pressure on Russia.  On Monday, the U… [+2866 chars]

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