https://apnews.com/7bcd25b2a4a745e081cd8472fa491e31

SAN FRANCISCO (AP) — President Donald Trump has vowed to slap tariffs on Apple's Mac Pros if the company shifts production of the computer from Texas to China.

The pledge made in a Friday tweet rebuffs Apple's attempt to shield its products from taxes being imposed on goods made in China as part of Trump administration's trade war with the world's most populous country.