TOKYO -- The sell-off in the yen has quickened despite the Bank of Japan's decision to further relax its yield curve control as the gap between U.S. and Japanese interest rates remains stubbornly wide.
Japan's scope for rate increases limited by weak economy

The yen slumped beyond after the Bank of Japan announced a tweak to its yield curve control policy. (Photo by Shinya Sawai)
TOKYO -- The sell-off in the yen has quickened despite the Bank of Japan's decision to further relax its yield curve control as the gap between U.S. and Japanese interest rates remains stubbornly wide.