The Dow Jones fought back after President Donald Trump struck a tariff deal. A Bill Ackman stock lagged on the stock market today. Tesla and Nvidia fell.

The S&P 500 was down 1.4% in early trading following similar losses for stock markets across Asia and Europe. The Dow Jones Industrial Average was down 435 points, or 1%, as of 9:35 a.m. Eastern time, ...

Automaker stocks tumbled on Monday following impending imposition of President Trump’s tariffs on goods coming from Canada and Mexico.