Here is the BBC link which says more about the subject.
http://news.bbc.co.uk/1/hi/business/1825593.stm
After Bush said that the value of yen is literally Devaluated
since people thought america is supporting for the devaluation of Yen.
A little slip of tongue of american president caused such a far reaching
consequences. I am astonished at the hold of US on world economy
and politics.