GLOBAL MARKETS-Dollar falls against the yen; bond yields decline
April 26, 2013 at 12:40 PM EDT
NEW YORK, April 26 (Reuters) - The U.S. dollar tumbled against the yen on Friday after the Bank of Japan left its monetary policy unchanged, while benchmark U.S. bond yields fell to near 4-1/2-month lows after the U.S. economy grew less than expected in the first quarter.