最新报道:U.S. stocks tumbled as President Trump escalated tariff threats against China, sending the Dow Jones down 1.05%. The market reacted sharply to Trump's warning of additional tariffs on $200 billion worth of Chinese goods, intensifying trade war fears. Major indices including the S&P 500 and Nasdaq also declined amid growing investor concerns over global trade tensions. Analysts noted the sell-off reflects heightened uncertainty as trade negotiations between the world's two largest economies appear to stall. The volatility comes as businesses brace for potential supply chain disruptions and higher costs from escalating protectionist measures.