The US stock market went into freefall once trading opening after a big sell-off on Wall Street in response to President Donald Trump's trade war on Mexico, Canada and China. Once markets opened, the Dow Jones Industrial Average dropped 432 points,

Stocks tumbled Tuesday after President Trump imposed tariffs on imports from Mexico and Canada, dragging the Nasdaq Composite into correction territory and erasing the S&P 500’s postelection gains. The tech-heavy Nasdaq fell 1.

U.S. stock markets plummeted on Tuesday morning as a new global trade war began. China and Canada announced new retaliatory measures on Tuesday after President Trump's long-promised tariffs took effect overnight.