U.S. stocks shook off early losses and turned higher Wednesday afternoon as U.S. governmentbond yields bounced back from fresh record lows amid continued market turbulence following the surprise Brexit vote.Tuesday and early Wednesday financial markets had switched back to risk-off mode, following a sharp rally last week in stocks, commodities and other so-called risk assets. Wall Street has been held back by continued concerns related to the fallout from Brexit vote, which has put tremendous downward pressure on the British pound, which hit a fresh 31-year low against the dollar Wednesday.

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