Among the missing: AOL Time Warner Chairman Steve Case,whose company stock has declined by about half since last year,and Gary Winnick,chairman of Global Crossing,which filed for bankruptcy protection in January.

• 今年跌出排行榜的富翁包括：全球最大的媒体公司美国在线-时代华纳主席史蒂夫·凯斯，该公司股票自去年以来已经下跌了将近一半；美国电信公司主席加里·温尼克，该公司今年1月份申请了破产保护。