The dollar hit a four-month high against the yen but global equity markets turned lower on Tuesday as investors awaited testimony by Federal Reserve Chair Janet Yellen this week and any signs of tighter U.S. monetary policy.
MSCI`s measure of stock performance world-wide stock initially rose, lifted by expectations of robust global growth.
U.S. stocks reversed early gains to edge lower after President Donald Trump`s eldest son released an e-mail chain related to a meeting with a Russian lawyer linked to the Kremlin during last year election campaign.
"People are worried that it just means more political uncertainty, and sort of a continuation of the stalemate in Washington, a continuation of the delay in trying to get the Trump agenda passed through Congress," said Robert Pavlik, chief market strategist at Boston Private Wealth in New York.
Europe`s main bourses earlier had faltered despite a fresh flurry of M