Stocks across the globe were lower Friday after President Donald Trump unveiled his plan for levying tariffs on trading partners, threatening to upend decades of international cooperation. The Dow tumbled 665 points,

U .S. stocks closed markedly lower on Friday, a day after President Donald Trump signed an executive order slapping new tariffs on dozens of countries. A weak jobs report worsened investor jitters, revealing a slowdown of hiring over recent months as Trump's previous tariffs took hold.

U.S. stocks slumped on Friday, and the S&P suffered its biggest daily percentage decline in more than two months as new U.S. tariffs on dozens of trading partners and a surprisingly weak jobs report spurred selling pressure.