The U.S. dollar weakened sharply against the Japanese yen on Monday after Trump and Japan's finance minister confirmed both sides had intervened in markets.
President Donald Trump opened his visit to Japan on Monday with greetings from the emperor a day before he meets new Prime Minister Sanae Takaichi.
In a country that ranks poorly internationally for gender equality, the 64-year-old woman makes history as the first female leader of Japan's long-governing conservative Liberal Democratic Party.
The announcement by the companies Monday caused share prices in both to fall.
The Japanese city of Nagasaki marked 80 years since the U.S. atomic attack that killed tens of thousands and left survivors who hope their harrowing memories can help make their hometown the last place on Earth to be hit by a nuclear bomb.
As Japan marks 80 years since the atomic bombings of Hiroshima and Nagasaki, the country's postwar identity is shifting.