China announced an 84% tariff against the United States after President Donald Trump raised tariffs against Beijing to 104% on Wednesday.  “The U.S. escalation of tariffs on China is a mistake on top of a mistake, severely infringing upon China’s legitimate rights and interests, and seriously damaging the multilateral trading system based on rules,” China’s State Council Tariff Commission said in a statement announcing the latest levy, which brings China’s total...