Stanley Kroenke and Russian Alisher Usmanov want to carry off the spoils.

FORBES: Gunning for It All

No surprise, he adds, that Stanley Kroenke, who owns hockey's Colorado Avalanche and the Denver Nuggets of the NBA, has started his own regional sports channel, which will broadcast his two teams.

FORBES: Companies, People, Ideas

Other billionaires with teams losing value were Charles Dolan ( New York Knicks down 4%), Mark Cuban ( Dallas Mavericks down 4%), Micky Arison ( Miami Heat down 7%), Stanley Kroenke ( Denver Nuggets down 3%), and Herbert Simon ( Indiana Pacers down 7%).

FORBES: Owning an NBA team during a recession is no slam-dunk.