In Business This Week
-- Swiss Bank will pay $1.37 billion for S.G. Warburg's investment banking business.
-- Rubber workers voted to end their 10-month strike at a Bridgestone/Firestone plant.
-- Caterpillar rejected an offer from auto workers to reopen "full-scale" bargaining.
-- W.R. Grace said it likely will sell off its National Medical Care subsidiary.EDITED BY KEITH H. HAMMONDS