Trump threatens steep tariffs on imported chips, urging tech firms to shift production to the US, sparking global supply chain concerns.

President Trump announced a roughly 100% tariff on semiconductors coming into the U.S., but said tech companies such as Apple that are investing in U.S. manufacturing would be exempt from the levies.

WASHINGTON, Aug 6 (Reuters) - 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.S. or have committed to do so.