In Business This Week
-- Jeffrey Greenberg, son of chairman Maurice, resigned as a top officer of insurer AIG.
-- After months of semipublic talks, Electronic Data Systems will buy A.T. Kearney.
-- An appeals court upheld the 17% reduction in cable-TV rates ordered last year by the FCC.
-- Caterpillar lifted its dividend by 40% and authorized a big stock repurchase.EDITED BY KEITH H. HAMMONDS