US auto makers fall premarket as Trump slaps tariffs on imported vehicles

**Shares of U.S. auto makers Tesla TSLA.O, Ford F.N and General Motors GM.N down 1.2%, 3.9% and 5.9%, respectively, in premarket trade after Trump's levies on automakers

** U.S. President Donald Trump on Wednesday said he would impose 25% tariffs on all vehicles and foreign-made auto parts imported into the country

** Up to last close, Tesla and General Motors down ~32.6% and 4.4% YTD, respectively, Ford up 5.7%

** Broader S&P 500 automobiles Index .SPLRCAUTM down 30% so far this year