In Business This Week
-- RJR Nabisco sold 6% fewer cigarettes in the third quarter than a year ago.
-- Donaldson Lufkin Jenrette went public. So did Gucci, whose shares gained 22%.
-- Quaker Oats President Philip Marineau resigned. Was Snapple to blame?
-- Netscape scored an unexpected profit. Its stock soared 26% in three days.EDITED BY KEITH H. HAMMONDS