Jason Douglas

Traders are eyeing the Japanese yen, which touched a 40-year low against the dollar today. The slide has put foreign-exchange traders on high alert for a fresh round of yen buying by the Japanese authorities to shore up the currency.Tokyo has already burned through more than $70 billion of foreig

TOKYO—Yoko Morishita was 3 years old when she first put on a pair of ballet shoes. Seventy-five years later, she's still en pointe.

The U.S. and Japan are seeking to contain tremors that could be triggered by a cratering Japanese currency.

TOKYO—In carrying out their first joint effort in a generation to boost the yen, the U.S. and Japan are seeking to contain tremors that could be triggered by a cratering Japanese currency.

A rundown of why Friday’s historic intervention in currency markets happened.

The friction highlights the growing displeasure among Japan’s nuclear-armed neighbors at Tokyo’s plans to boost its defense capabilities and strengthen its military ties with the U.S.

TOKYO—China has been piling diplomatic, military and economic pressure on Japan for months. Increasingly, Russia and North Korea are joining in, too.

The Sony veteran says the future of the electronics business is entertainment.

TOKYO—When Sony said in March that it was offloading its television business to a new joint venture with a Chinese rival, many in Japan felt a pang of nostalgia for the heyday of the country's consumer-electronics industry.

Sony was once a leader in consumer technology, producing iconic products like the Walkman and the Discman. Today, games, movies and music are the heart of its business.