U.S. President Donald Trump on Friday signed an executive order delaying tariffs on de minimis, or low-cost, packages from China until the Commerce Department can confirm that procedures and systems are in place to process packages and collect tariff revenue.

China hits back with export controls, Canada and Mexico remain under threat. USPS closes then reopens "di minimis" small package loophole

After a 10 percent tariff on Chinese products took effect on Tuesday, China announced retaliatory measures, including tariffs and an investigation of Google.