Steel and aluminum tariffs trigger sharp US stock market sell-off

Threat of a trade war with China led investors to sell off US manufacturers including Caterpillar and BoeingUS stock markets tumbled on Thursday after Donald Trump said the United States would impose tariffs of 25% on steel imports and 10% on imported aluminum next week.The threat of a trade war with China and higher goods prices led to a sharp sell-off. The Dow Jones Industrial Average initially fell more than 570 points, with heavy losses for manufacturers like Caterpillar and Boeing. The inde