"The trade deal struck with the U.S. is certainly a relief in that it offers some certainty that U.S. tariffs on Japan-made cars won't rise to punitive levels," said Stefan Angrick, head of Japan and Frontier market economics at Moody's Analytics.

Japan's top negotiator is pushing back against claims that the country is handing over hundreds of billions of dollars to the U.S. under a new economic deal with the Trump administration, clarifying that actual investment will make up just 1% to 2% of the $550 billion agreement.

Sohei Kamiya's Sanseitō Party won 14 seats in Japan's Upper House elections, appealing to young voters with a "Japanese first" platform focused on culture, birth rates and food security.

The Japanese government, not companies, is poised to back U.S. infrastructure projects of the president’s choosing.

Analysts at Bank of America said that the Japan deal "looks like a reasonable blueprint" for other auto-exporting countries like South Korea.

When President Donald Trump revealed that his administration had struck a "massive" trade and investment deal with Japan, he described it as "completed"—but it must still pass the Japanese parliament, called the Diet, which is riven with political turmoil.

Investors, finally having some good news, seemed to largely ignore thorny questions about the details of the trade deal, let alone the tenuous position of Prime Minister Shigeru Ishiba following a recent election setback.

U.S. President Donald Trump struck a trade deal with Japan that lowers tariffs on auto imports and spares Tokyo from punishing new levies on other goods in exchange for a $550 billion package of U.S.-bound investment and loans.

The 15% tariff would be lower than previously threatened, but it would remain a high duty on America’s largest trading partner.