Yen touches 158 to the dollar as market weighs further BOJ tightening pace
Currency swings as BOJ chief signals hawkish bias while keeping options open The currency market is trying to assess where the Japanese yen is headed after a Bank of Japan interest rate increase. (Photo by Naoko Inoue) TOKYO -- The yen slumped against the dollar in Tokyo on Friday, trading at around 157.50 against the greenback after repeated attempts at recovery faded, as the market tried to assess the pace and scale of any further Bank of Japan policy tightening following a quarter-point interest hike earlier in the day.