The plan, if it does go ahead, may need to be revised, according to Kenichi Kurahashi, a Tokyo-based chief fund manager at Mitsubishi UFJ Kokusai Asset Management Co
'The yen's roaring higher was a sign of just how widespread concern over the health of the global economy had become'
The dollar was firm at 109.260 yen , having fallen to as low as 109.120 overnight