Yen weakened over perceptions, a landslide victory in upper house elections now gives him a free hand to draft economic policy
He said that it was vital for advanced nations to send a global, unified message that everything was being done to ensure stability in markets
Tax hike pleases voters, stokes concern about government debt
The Japanese PM offered potential justification to again delay an increase in the national sales tax
Tokyo's alliance with Washington has been the bedrock of its defence since the end of World War II.