Yen weakens to four-year low

Bank of Japan measures to fight deflation may debase currency further

A businessman looks at a screen displaying a photo of US dollar bank notes in Tokyo today. The yen has hit fresh lows against a host of major currencies, resuming its slide after the Bank of Japan lost no time in launching its new easing policy to underline its determination to beat deflation. Photograph:  Toru Hanai/Reuters
A businessman looks at a screen displaying a photo of US dollar bank notes in Tokyo today. The yen has hit fresh lows against a host of major currencies, resuming its slide after the Bank of Japan lost no time in launching its new easing policy to underline its determination to beat deflation. Photograph: Toru Hanai/Reuters
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