Premarket: European shares gain after Trump pushes back planned 50% tariffs on EU

European shares have opened higher and U.S. futures also surged after U.S. President Donald Trump said he would delay a threatened 50% tariff on goods from the European Union to July 9. Oil prices rose while Asian shares were mostly lower. Trump announced the decision to push back the higher import duties after a call Sunday with Ursula von der Leyen, the president of the European Commission, who said she "wants to get down to serious negotiations," according to the U.S. president's retelling. Last week, Trump said on social media that trade talks with the European Union "were going nowhere"…