A rout on Wall Street deepened on Tuesday as companies and investors digested the impact of President Donald Trump's decision to impose tariffs on the U.S.'s biggest trading partners, as well as retaliatory tariffs from Canada, China and Mexico.

NEW YORK — Wall Street’s sell-off hit a new low Thursday after President Trump’s escalating trade war dragged the S&P 500 more than 10% below its record, which was set just last month.