U.S. President Donald Trump said on Tuesday he intends to impose auto tariffs "in the neighborhood of 25%" and similar duties on semiconductors and pharmaceutical imports, the latest in a series of measures threatening to upend international trade.

President Trump said Tuesday that he could impose hefty tariffs on automobile imports, but said he would have more to say in early April. "I probably will tell you that on April 2, but it'll be in the neighborhood of 25%,