Japan's Nikkei fell on Tuesday, as markets were jittery about a trade war as fresh U.S. tariffs came into effect, while a stronger yen added to investors' concerns. U.S. President Donald Trump's new 25% tariffs on imports from Mexico and Canada took effect,

The Nikkei stock index briefly dropped over 2 percent Tuesday morning on selling fueled by a stronger yen and concern over the impact

Japans Nikkei 225 fell 1.8% to 37,096.51 by midday Tuesday, its lowest level since September 18, as investors grew cautious ahead of new U.S. tariffs on Canada, Mexico, and China. The Topix index dropped 1.

Japan's Nikkei fell on Tuesday, as markets were jittery about a trade war ahead of U.S. tariffs on Canada and Mexico, while a stronger yen also added to investors' concerns. The Nikkei was down 1.8% at 37,