MILAN (Reuters) -Automaker Stellantis said on Thursday it shared U.S. President Donald Trump's goal of building more cars in the United States, as it thanked him for granting a one-month exemption from tariffs on Canada and Mexico.

Mexico will be granted a month-long reprieve from tariffs on goods that fall under an existing free-trade agreement with the United States, Trump wrote on social media.

European automakers' shares jumped on Thursday after U.S. President Donald Trump gave carmakers a one-month reprieve from his punishing 25% tariffs on Canada and Mexico, with Chrysler-to-Fiat maker Stellantis pledging more American-made cars.

Trump, however, is granting a one-month exemption on his stiff new tariffs on imports from Mexico and Canada for U.S. automakers, as worries persist that the newly launched trade

Trump said he was granting the two US neighbours a temporary exemption on tariffs that he imposed two days ago.