Business groups, economists and even some Republicans cautioned that new tariffs on goods from Canada, Mexico and China could undercut U.S. industry and the economy.

President Trump’s long-promised trade war could start as soon as Saturday, leaving companies scrambling for a workaround for their global supply chains.

Both Meta and Microsoft committed to huge investments in artificial intelligence, despite new Chinese software outperforming American rivals at a lower cost.

President Trump’s chief cost-cutter cheered an effort to persuade federal workers to quit — in a fashion that closely resembles a purge at Twitter.

The sudden popularity of the Chinese chatbot drove a huge plunge in shares of Nvidia. But other A.I. powerhouses rallied. Here’s why.

The fast-growing popularity of the Chinese artificial intelligence software hit shares in tech giants like Nvidia, as Silicon Valley worried about what comes next.

President Trump’s accusation that Bank of America’ dropped conservatives as clients serves as a reminder C.E.O.s may face unexpected attacks by the White House.

President Trump’s campaign to end diversity, equity and inclusion policies has begun in federal agencies, and is jolting corporate America as well.

Some analysts increasingly believe the president sees levies as more than a negotiating ploy. To him, they’re a potential source of revenue.

The sight of Jeff Bezos, Mark Zuckerberg and others at President Trump’s swearing-in was another sign of how business is adapting to a new Washington.