The yen was trading at 159.71 against the dollar at 3:52 p.m. in Tokyo.
The Bank of Japan (BOJ) might consider making more sizable cuts in bond buying after checking the view of market participants, according to a policy board member. They also mentioned that the BOJ needs to consider further adjustment of monetary easing as there are upside risks for inflation.
The yen's decline against the dollar last week was driven by stronger-than-expected US purchasing managers index data and the Bank of Japan's reluctance to provide a detailed plan around its reduction of bond purchases.