Donald SpenceDonald Spence has been associated with the sugar market since the reinstatement of futures trading in 1957. As one of the original floor traders he played a part in establishing the market and helping it to evolve into the truly international rena that it is today. In 1980 he joined E.D. & F. Man where he was chiefly engaged on research. He now writes extensively on commodities, futures and options and related topics. Read More Read Less