Japan and the United States have confirmed they carried out a coordinated intervention in foreign exchange markets to support the Japanese yen after the currency fell to its weakest level in four decades. The action marks the first joint intervention by the two countries since 2011 and lifted the yen to its strongest level in almost three months. The Japanese Ministry of Finance and the US Treasury confirmed on Monday that they jointly bought yen in foreign exchange markets late last week after the Jap...

Coordination between Japan and the United States now appears to be the tightest in decades, fuelling one of the most notable rebounds since the yen began its years-long slide.

It was Washington's first yen-buying intervention with Tokyo in more than a decade as it languishes near 40-year lows.