How far will the yen appreciate as it strengthens against the dollar?

At one point, the yen-dollar exchange rate touched the 139 yen per dollar range. The opportunity is the U.S. Federal Reserve Board (FRB) to start a substantial interest rate cut is expected to re-emerge, but the yen strengthened the background of the U.S. economic outlook is worrying and Japan and the U.S. interest rate differentials narrowed. However, Japanese households to buy overseas assets, such as “structural yen selling” still exists, the yen appreciation is difficult to develop in one direction.