President Donald Trump said the United States will impose a tariff of about 100% on imports of semiconductors but offered up a big exemption - it will not apply to companies that are manufacturing in the U.

President Donald Trump said he will impose a 100% tariff on imports of semiconductors and chips, but not for companies that are "building in the United States."

WASHINGTON — President Donald Trump said Wednesday that he will impose a 100 percent tariff on computer chips, likely raising the cost of electronics, autos, household appliances and other goods deemed essential for the digital age.