In Business This Week
-- Seymour Cray may run out of cash by mid-June. He still hasn't sold a computer.
-- Japan's NHK television network will switch to U.S.-made high-definition systems.
-- Construction comeback: Caterpillar doubled its dividend and will split its stock.
-- A Miami federal court acquitted W. Christopher Berry of failed S&L CenTrust.EDITED BY KEITH H. HAMMONDS