Toyota, the world’s largest car manufacturer, fell 4 percent at the Tokyo Stock Exchange’s opening on Thursday.
Honda, who counts more than half of its revenue from North America, lost about 3 percent. At the same time, Nissan backed 3.5 percent, while Mazda raged more than 5 percent.
Japan is now considering “appropriate actions” in response to Trump’s message about severe import duties on cars, Prime Minister Shigeru Ishiba announces.
“Of course, we will consider all alternatives,” he tells the country’s parliament.
Car and car parts are Japan’s foremost export goods to the United States and customs are concerned about the effects on the broader economy.
Trump’s new car duties will come into force on April 2 and apply not only to pre -assembled cars but also important car parts such as engines, gearboxes and electrical components used in vehicles, according to the White House.