The yen leapt on Monday, keeping traders on alert for further intervention from authorities to shore up Japan's historically weak currency, days after Tokyo and Washington jointly intervened in the foreign exchange market.

The Japanese yen recorded its strongest one-day gain against the U.S. dollar in nearly two years after suspected intervention by Japanese authorities. The move adds to a long…

TOKYO -- The Japanese currency briefly surged to the lower 155 yen range against the US dollar on Monday morning after Japan confirmed joint currency market intervention with the…

The yen surged significantly after authorities intervened in foreign exchange markets. This intervention followed a substantial yen-buying operation by Japan last week. Other…