The yen's slide is a reminder that widening global imbalances have a way of forcing policymakers' hands.

NEW YORK, July 22 : The dollar dipped from a one-week high on Wednesday after four straight daily advances, while the yen recovered slightly from its weakest level in nearly four…

NEW YORK, July 22 : The dollar eased slightly from a one-week high on Wednesday after four straight daily advances, while the yen saw a modest recovery from its weakest level in…