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-elect Donald Trump wants to buy the territory from Denmark, which says it’s not for sale. DealBook asked experts how they’d approach the deal.

Nippon Steel’s $14 billion takeover bid for the steelmaker appears doomed, with President Biden expected to reject it. Litigation and diplomatic turmoil could follow.