Investors are worried about how much companies are spending on artificial intelligence, but the tech giant is sure that its efforts will pay off.

The election has pit former colleagues and sometime allies against each other, as the tech industry’s libertarian wing puts its money and influence to work.

The billionaire financier’s U.S.-listed investment vehicle is facing a delay in pricing its I.P.O., the latest speed bump in its journey to the public markets.

A debate over whether the F.T.C. chair should stay reflects broader anxiety over how Kamala Harris would regulate business.

The battle between the media mogul and three of his children over control of his empire has big ramifications for politics, media and more.

Sluggish car sales and a tough price war with rivals are weighing on Elon Musk’s electric vehicle company.

Fear of being seen as circumventing an open nomination process is one reason that some backers have not yet publicly endorsed the vice president.

Many Democrats endorsed the vice president as their party’s standard-bearer, but some donors questioned whether more competition for the role was needed.

A “historic” tech failure alarmed investors, after a security update caused problems for Microsoft devices and services, and took down businesses worldwide.

Space, electric vehicles, artificial intelligence: The tech mogul could influence policy in these areas and others should Donald Trump win re-election.