American automakers are already feeling the sting on Wall Street after the president announced new tariffs on metals required by their industry.<br />According to President Donald Trump, the Commerce Department is preparing to impose a 25-percent tax on imported steel and a 10-percent tax on aluminium.<br />Shares for Detroit's big three took a hit as Wall Street took a dive following the news.<br />General Motors shares are down 4-percent on the day, while Ford and Fiat Chrysler were down over 3-percent each. <br />
