Yen rally gains strength

Stronger yen: The yen has kicked off to its best start to a year in more than two decades amid increased demand for haven assets in an environment of uncertain global growth. – Reuters

Central bank inaction seen pushing currency towards 90 per dollar

TOKYO: The yen’s world-beating rally against the dollar looks to be gathering momentum, as central bank inaction on both sides of the Pacific Ocean leaves inflation expectations to drive the exchange rate.