Japan won't hesitate to act again after joint yen intervention with US: Katayama

Tokyo wanted 'little bit of help' on yen from US, Trump says after intervention

The yen was trading near a 40-year low against the dollar before the intervention. (Photo by Akira Kodaka)

TOKYO -- Japan and the U.S. conducted a coordinated intervention to support the yen on Friday, Japan's Finance Ministry officially confirmed Monday morning, marking the first time since 2011 that the two countries stepped in together to move the currency market.