CALENDAR

CALENDAR

June 27-28--Derivative Pricing & Valuation; International Business Communications; Marriott Marquis Hotel, New York City. Call (508) 481-6400.June 27-28--Investing in Africa; Institute for International Research; New York Helmsley Hotel, New York City. Call in N.Y.C. (212) 661-6677, elsewhere (800) 345-8016.June 28-30--12th Annual PC Expo; Bruno Blenheim Inc.; Jacob K. Javits Convention Ctr., New York City. Call (800) 829-3976.June 28-30--6th Annual Conference on Performance Measurement; Ins