The gender wealth gap among America’s richest people remains wide—there are only 67 women on this year’s Forbes 400 list—but it’s narrowing. Women now account for 17% of the list, up from 15% last ...

While some of these moguls are repeat winners—like Elon Musk and Bernard Arnault—many are fresh faces, and one is his country’s first-ever billionaire. Billionaires are plentiful—but they aren’t ...