India, May 23 -- Dow futures tanked by over 600 points on Friday after Donald Trump threatened 25% tariffs on Apple products sold in the United States and 50% on goods from the European Union. The latest stock market shake-up also saw Nasdaq futures fall nearly 400 points, per New York Post.

The president warned in a Truth Social post that Apple could face "at least 25%" tariffs on selling iPhones manufactured overseas in the United States.

"I have long ago informed Tim Cook of Apple that I expect their iPhone's that will be sold in the United States of America will be manufactured and built in the United States, not India, or anyplace else," Trump wrote on his social media platform.

"If that is not the case, a Tariff of at least 25% m...