Car stocks, including Tesla shares, will likely be volatile on Monday. Tariffs are the reason. Over the weekend, President Donald Trump went ahead with his plan to put 25% tariffs on goods from Mexico and Canada.

President Donald Trump said Sunday that Americans could feel “some pain” from the emerging trade war triggered by his tariffs against Canada, Mexico and China, and claimed that Canada would “cease to exist” without its trade surplus with the United States.

Donald Trump has imposed new tariffs on goods entering the US from Canada, Mexico and China. The US president signed an executive order putting a 25% tariff - or tax on imports - on all goods coming from Canada and Mexico,