NEW YORK, Feb 28, 2025 (BSS/AFP) - Wall Street stocks tumbled Thursday, extending a rough period as disappointment with Nvidia earnings and fresh tariff rhetoric from Donald Trump pressured the market.

While Nvidia reported impressive profits, shares finished down 8.5 percent, with investors seemingly wanting more from the artificial intelligence company.

"Investors have gotten used to having Nvidia blow the door off," said Jack Ablin of Cresset Capital. "They did well but they didn't blow the door off."

Ablin also cited remarks from Trump indicating that 25 percent tariffs on Mexico and Canada would go into effect on Tuesday.

The Dow Jones Industrial Average finished down 0.5 percent at 43,239.50.

The broad-based S&P 500 dropped 1.6 percent to 5,861.57, while the tech-rich Nasdaq Composite Index fell 2.8 percent to 18,544.42.

After shooting to records earlier this month, US indices have struggled in recent sessions following a trove of lackluster economic data as Trump presses on with assertive trade policy and government job cuts.

On Thursday, weekly jobless claims exceeded estimates, while pending home sales also disappointed.

Other AI companies fell, including Arm Holdings, which lost 6.2 percent and Broadcom, which dropped 7.1 percent.

Among individual companies, Salesforce fell 4.0 percent on disappointment with the software company's forecast

EBay slumped 8.2 percent as the company's cautious financial outlook added to concerns about its exposure to tariff actions.