"Donald Trump’s TACO bell has rung once again, much to the joy of financial markets," one investor said Thursday.

President Donald Trump vowed “big retaliation” if European countries sell US assets in response to his tariff threats related to Greenland, adding pressure on them to stick with an emerging deal over the future of the island.

As the EU calls Trump's threat to tariff allies for rejecting his bid for Greenland a mistake, Denmark's leader laments "being threatened by our closest ally."

The European Union’s top official on Tuesday called Trump’s planned new tariffs over Greenland a “mistake” and questioned Trump’s trustworthiness. French President Emmanuel Macron said the EU could retaliate against its long-standing ally by deploying one of its most powerful economic tools,