New York CNN  —  US stocks rose Wednesday after the Trump administration announced it would grant a one-month exemption for tariffs on Canada and Mexico that affect automakers. US stocks, which had teetered during the day, surged higher after the White House confirmed the one-month exemption. The Dow jumped 615 points before pulling back slightly to close higher by 485 points, or 1.14%, at 43,006. The broader S&P 500 rose 1.11% and the Nasdaq Composite gained 1.46%. “We spoke with the Big Three