The yen continued to rally Tuesday morning, briefly breaking ?153 to the dollar and raising the possibility that the weakening trend has been reversed.
Some analysts argue that the recent strengthening is probably not the result of intervention, as the currency is not appreciating fast enough to suggest official buying.
They said that the rebound, which began on Sept. 2, might be due to a sense that Japan might act with more resolve to stop the currency from weakening after pressure from the United States to do something.
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