LONDON, April 30 : The Japanese yen surged on Thursday, following stark warnings from Tokyo officials, including the finance minister, that intervention to prop up the currency could be imminent.Dollar/yen was last trading at 156.72, down more than 2 per centon the day in an eye-popping move that had traders

LONDON, April 30 : The Japanese yen surged on Thursday, following stark warnings from Tokyo officials, including the finance minister, that intervention to prop up the currency could be imminent.Dollar/yen was last trading at 156.56, down more than 2 per cent on the day in an eye-popping move that had traders