Dollar value seems to be increased on Tuesday march 13, 2012. It increased 11- months as compared to Yen and 1- Month as compared to Euro.
Japan stop short taking of easing. this could be the reason of sudden difference in the value of its currency with Dollar.
Euro goes down 0.3%. Now it is at $1.3113 after falling as low as $1.3050, and it is its lowest value since February 16. Euro economy is in recession as whereas US is stable.