In Business This Week
-- The government grounded MarkAir, citing numerous maintenance violations.
-- Intel's Pentium got cheaper: The chipmaker cut prices on the line by more than 20%.
-- Cabletron is seeking to upset 3Com's $775 million offer for rival Chipcom.
-- In 1990, DEC made money. On Aug. 1, it reported its first profit since that year.EDITED BY KEITH H. HAMMONDS