The EU is aiming for a July 9 deal, which would include a 10 percent baseline tariff. Trump has threatened to impose 50 percent tariffs if no deal is reached.

WASHINGTON—President Trump reignited his global trade war Monday, renewing his threat to hit partners with punishing tariffs even as he announced a three-week extension to negotiate deals. Trump signed an executive order extending the date when his so-called reciprocal tariffs would take effect,