From Longman Business Dictionaryprogramme tradingˈprogramme ˌtrading British English, program trading American EnglishFINANCE1trading that is done by computers automatically when prices reach particular levels. Some people think that programme trading is responsible for big price changes and may cause markets to CRASH (=an occasion when prices fall very quickly by a very large amount)Heavy computer-driven programme trading pushed prices down.2when there is a large order to buy or sell a number of different shares etc in large quantitiesBy market close, program trading activity amounted to 14 buys and 7 sells, with a net effect of adding 538.73 points to the Dow. → trading
