Renewed tariff threats by US President Donald Trump against European allies have rattled global markets, sending the dollar lower and reigniting worries about a potential "Sell America" trade.

The tensions come amid disagreements over Greenland and follow the pattern of trade disputes that first emerged after Trump's sweeping Liberation Day levies last April.

Stock markets took an immediate hit on Monday. European equities fell more than 1%, while US stock futures also weakened after the public holiday, reflecting investor concern about a possible escalation in the trade conflict.

The dollar showed early signs of pressure as Trump announced plans on Saturday to impose new tariffs on goods from several European countries.

The tariffs........

© International Business Times