Italy's foreign minister warned that, while he hopes for successful negotiations, the EU will respond resolutely to Trump's latest tariff threat.

Donald Trump’s proposed 30% tariff on European Union goods is “effectively prohibitive” to transatlantic trade and could warrant retaliation, the bloc’s chief negotiator said.

European shares fell on Monday, led by automobiles, as the U.S. President Donald Trump's latest threat to impose steep tariffs on the European Union and Mexico kept investors on edge.