Some analysts view Washington’s nod to concerns in Tokyo and Seoul over their plunging currencies as taking a step closer to market intervention.
  © Reuters

LISA KIM and JAEWON KIM, Nikkei staff writers |

TOKYO/SEOUL — Most Asian currencies have been hit this year by the strength of the dollar, prompting monetary officials to issue verbal warnings or even intervene. 

In a rare warning, the finance chiefs of the U.S., Japan and South Korea on Wednesday expressed concerns over the fall of the yen and the won.

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