Faced with the threat of a 50% tariff from Trump, European officials call for a "calm" response.

According to the Zhutong Finance APP, after President Trump threatened to impose a 50% tariff on imported goods from the European Union, European officials are trying to show a united and calm stance. The market is worried that a trade war will disrupt the world's largest commercial and investment relationship. This potentially escalated trade measure has caused stock markets on both sides of the Atlantic to plummet.