U.S. stocks rose Tuesday after more companies said they made bigger profits at the end of last year than analysts expected and as Treasury yields eased. The S&P 500 climbed 0.9%, while many markets around the world took only tentative steps following Donald Trump’s return to the White House on Monday.

A frenzy over an artificial intelligence chatbot made by Chinese tech startup DeepSeek was upending stock markets Monday and fueling debates over the economic and geopolitical competition between the U.

US tech stocks were steady on Tuesday after they slumped on Monday following the sudden rise of Chinese-made artificial intelligence (AI) app DeepSeek. Shares in chip giant Nvidia rose by 8.8%, having slumped on Monday,