Trump's tariff plans are sending stocks tumbling and sparking fears of a global economic downturn. Follow along for live updates on the Dow Jones Industrial Average, Nasdaq and S&P 500.

The U.S. stock market has gone taken a nosedive since President Donald Trump announced tariffs for many countries around the world. Here's what to know.

President Donald Trump has threatened to impose an additional 50 percent tariff on all Chinese products if Beijing does not rescind its retaliatory duties.

Trump reiterated his threat of 50% duties on Chinese goods if Beijing did not retract its counter-tariff plans by Tuesday

Canada's main stock index fell on Monday to a seven-month low, including declines for energy and financial shares, as a widening trade war threatened to derail the global economy and despite the prospect of negotiations that could lead to deals.

President Donald Trump gave Beijing one day to withdraw its retaliation to his latest tariff salvo, or else he will add another 50% duty on Chinese imports. Last week, Trump imposed a fresh 34% levy on top of his earlier 20% tariff.

Markets dropped today as President Trump's tariffs continue to cause economic uncertainty around the world. Congress is now trying to take the power of the purse back. Republican strategist Lance Trover and MSNBC political contributor Geoff Bennett join José Díaz-Balart to share their political analysis.

Traders are bracing for another bumpy week after a day marked by waves of volatility thanks to unpredictable news on President Donald Trump’s tariff plans. US stocks swung violently, wiping out a 4% plunge to rise more than 3% before turning negative again as investors reacted to a swirl of headlines related to trade policies.

Fears of an escalatory tariff war between China and the US are laid out on the front of the Financial Times after Trump threatened additional 50% tariffs on China if Beijing did not withdraw its retaliatory levies.