Japan's $550 billion investment package agreed in this week's U.S. tariff deal could help finance a Taiwanese firm building semiconductor plants in the U.S., Japan's top trade negotiator Ryosei Akazawa said on Saturday.

White House Press Secretary Karoline Leavitt said, "Japan will now pay a 15% tariff versus the reciprocal rate of 24% that they initially had."

Asian shares were mixed on Monday, with Japanese markets dipping despite overall optimism in the market after the  U.S. and EU reached a trade framework that includes a 15% tariff on most European goods.

Global stocks rose and the euro firmed on Monday after a tradeagreement between the United States and the EU lifted sentiment and provided some clarity in a week of key policy meetings by the Federal Reserve and the Bank of Japan.

"The biggest piece in the trade deal puzzle still remains, and the Chinese are unlikely to be as willing to fold."

A new Nissan Murano on your shopping list? Or perhaps the 2026 Mazda CX-5? Big price hikes may be coming for Japanese auto imports under the U.S.-Japan trade deal announced Wednesday.