The yen and Japanese government bonds continued to retreat Thursday as confidence failed to return, and negative sentiment snowballed, even as stocks rebounded following a decisive overnight rally in the United States.
A massive stimulus package set to be announced Friday by the new administration in Japan remains a worry, with huge numbers being bandied about and the possibility of new debt being issued to fund the stimulus becoming a real possibility. A muted official response to market weakness may have made matters worse.
In trading Thursday, the yen continued to free-fall toward ¥158 to the dollar while the 10-year yield reached a 17-year high. Bond prices move inversely to yields.

AloJapan.com