The chief executive of Volvo Cars urged the European Union to cut its 10% tariff on American-made cars, arguing that European automakers do not need protection from U.S. competitors, in an interview with Reuters on Thursday.

The EU says the U.S. is resisting efforts to strike a trade deal and warned of countermeasures if no agreement is reached with U.S. by Aug. 1.

Stocks were mixed in early trading on Monday after President Donald Trump over the weekend issued 30% tariffs on the European Union and Mexico, rekindling tensions with two of the largest U.S. trade partners and threatening to raise consumer prices.