TSMC, Samsung, SK Hynix and others that have invested in or plan to invest will pay no tariff, according to the president's comments. That's big.”

Officials in Taiwan and South Korea say they don't expect Trump's 100% tariff on foreign chips to affect TSMC or Samsung, likely due to their factory investments in the US.

Taiwan said its leading chip manufacturer will not have to pay a 100% tariff on sales to the US, helping drive Taiwan Semiconductor Manufacturing Co. shares to a record.