President Trump threatened Apple CEO Tim Cook with a 25% tariff on iPhones unless the company makes them in the U.S. He also threatened to impose a 50% tariff on the European Union. NBC News' ...

President Donald Trump on Friday demanded Apple and other smartphone makers like Samsung make their phones its in the United States or face a 25% tariff.

The president escalated battles with prominent American companies and institutions, as well as a key trading partner. The ...

From prices to tariffs to dealmaking, Trump’s involvement in economic issues prompts both frustration and applause.