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.

President Donald Trump's updated tariffs and a weaker-than-expected jobs report are hitting US indexes. The S&P 500 headed for its third losing day.