Electric-vehicle maker Tesla and traditional auto manufacturers General Motors and Ford tumble following the 25% tariffs on Mexican and Canadian imports announced by the White House, chip makers Nvidia and Broadcom slump as both have heavy exposure to China,

Tesla was particularly battered as it joined Apple (-3%) and Nvidia (-3%), as American multinational companies with the highest proportion of sales in China.

Trump's imposition of tariffs on imports from China, Mexico and Canada rattled markets, with shares of media companies falling lower.