The stomach-turning ride on global financial markets took a dramatic turn March 16, with U.S. stocks plunging the most since 1987 after President Donald Trump warned the economic disruption from the virus could last into summer.

U.S. stock futures tumbled, wiping out half of the furious last-hour rally March 13 and tripping exchange trading curbs, as investors worried that emergency measures by the Federal Reserve will fall short of cushioning the coronavirus’ blows to the economy.

Amazon .com Inc. lifted restrictions established during the holiday shopping season that had prevented third-party merchants selling goods on the site from shipping packages with FedEx Corp.’s ground service.

The Trump administration and House Democrats are on the verge of announcing a handshake deal on the U.S.-Mexico-Canada free trade agreement, according to people familiar with the negotiations, paving the way for approval of the deal as early as this month while Democrats gear up for an impeachment vote.

The rules governing the use of steel and aluminum in cars have emerged as the latest obstacle to completing a revised NAFTA deal between the U.S., Mexico and Canada in time for congressional approval by year’s end.

White House economic adviser Larry Kudlow is developing a new plan to bolster biofuel-blending requirements after ethanol allies in politically important farm states complained the current proposal doesn’t do enough to compensate for waivers exempting some small refineries from the mandates.

It’s turning out to be one of the worst years ever for auto workers across the globe amid shrinking demand and a tectonic shift in vehicle technology.

Some of China’s wealthiest tycoons steered billions of dollars into electric car companies to fuel the country’s dreams of becoming a leader in the field. Now a reckoning may be looming as car sales slow and the government reduces subsidies for the nascent industry.

The White House is pushing to wrap final negotiations with Democrats on President Donald Trump’s top legislative priority, the U.S.-Mexico-Canada Agreement, by meeting with the Mexican deputy foreign minister Nov. 27.

Mexico President Andres Manuel Lopez Obrador announced an infrastructure plan worth 859 billion pesos ($44 billion) that includes highways, railways, ports and airports as well as investments in telecommunications, with most of the capital coming from the private sector.