A few bad trades—in tariff wars and in Luka Dončić—plus a gambling-plan meltdown have undercut the mega-donor’s ambitions.

The Dallas Mavericks underwent a mid-season ownership change, as Mark Cuban sold a majority stake in the team for a valuation ...

Billionaire Sheldon Adelson, chairman and chief executive officer of Las Vegas Sands Corp., left, and his wife Miriam Adelson pose ... “He’s young and very good. One of the best CFOs in ...