The Oscar-winning filmmaker Alex Gibney has sold a majority stake in his Jigsaw Productions to the philanthropist Wendy Schmidt.

Emily Sundberg’s business newsletter, Feed Me, has made her a rising Substack star.

The Microsoft co-founder and philanthropist is taking a break from the future to examine his past — and mulling where the billionaires now fit in.

His comments to the hard-right Alternative for Germany party escalated efforts by the billionaire to influence the country’s election for chancellor next month.

Billionaires and multimillionaires are flocking to a city where power has been more important than money, but is now deeply intertwined with it.

Binge-worthy guilty pleasures like “The Real Housewives of Beverly Hills” and “Selling Sunset” document luxury real estate in Los Angeles, a market that now faces an uncertain future.

Billionaires, foreign leaders and celebrities including Mike Tyson and Carrie Underwood will appear at the inauguration. Some prominent Democrats are taking a pass.

Some Democrats see Elon Musk as an ideal foil. But not everyone agrees.

The elite of Silicon Valley are set to revel in their new clout during a long weekend of inaugural parties as President-elect Donald J. Trump is set to resume power.

Vivek Ramaswamy, Elon Musk’s partner in an effort to cut government costs, could make decisions that ultimately make him and his investors richer.

Mr. Musk has turned to Silicon Valley to help recruit executives who will take up unofficial positions across the federal government.

Her lurid divorce from the wealthy scion of an art-world dynasty earned headlines. Her elaborate plastic surgeries brought even more attention.

Years before they were charged with sex crimes, Oren and Alon Alexander took legal action to find a mystery blogger who claimed they had committed sexual assault as teenagers.