Nvidia reported excellent fourth-quarter financial results, beating expectations on the top and bottom lines. Revenue increased 78% to $39.3 billion on particularly strong growth in data center sales, and non-GAAP net income increased 71% to $0.89 per diluted share. The company also provided first-quarter guidance that exceeded estimates.

Nvidia reported its fourth-quarter results after Wednesday's closing bell. Investors and analysts have focused on early sales of the company's new Blackwell line.

U.S. stock indexes are slipping, and Wall Street remains subdued following a rough run where worries about the economy rattled the market.