NEW YORK (AP) — Wall Street’s sell-off is spiraling Tuesday following President Donald Trump’s latest escalation in his trade war, briefly pulling the U.S. stock market 10% below its record set just a few weeks ago. The S&P 500 was down 1.4% in afternoon trading after Trump said he would raise tariffs on steel and aluminum coming from Canada, doubling their planned increase to 50%. The president said it was a response to moves a Canadian province made after Trump began threatening tariffs on one of the United States' most important trading partners. The Dow Jones Industrial Average was down…