Study: Racial diversity stagnated on corporate boards

Many U.S. companies have rushed to appoint Black members to their boards of directors since racial justice protests swept the country last year.

But in the two preceding years, progress on increasing racial diversity on boards stagnated, a new study revealed Tuesday. Black men even lost ground.

The study, conducted by the Alliance of Board Diversity and the consulting firm Deloitte, points to the steep deficit companies face when it comes to fulfilling pledges to diversity in their ranks. An overwhelming 82.5% of directors among Fortune 500 company boards are...