Wife Ann inherited chunk of Wal-Mart stock after father James (Bud) Walton's death 1995; stock up 30% since January. Wealth exceeded by Stan, who made first fortune developing commercial and retail properties. Sports nut Stan owns pro basketball's Denver Nuggets, hockey's Colorado Avalanche; both play at his Pepsi Center. Also owns stake in pro football's St. Louis Rams, English soccer titan Arsenal. Holdings include 5 ranches covering 1.5 million acres, shopping centers, office properties.