TOKYO -- The yen's recent nosedive has heightened fears of a vicious cycle as Japan's worsening current-account balance threatens to spur more selling.
Concerns of vicious cycle bring benefits of weak currency into question

The immediate cause of the yen's weakness is a split in monetary policy between Japan and the U.S. © Reuters
TOKYO -- The yen's recent nosedive has heightened fears of a vicious cycle as Japan's worsening current-account balance threatens to spur more selling.