AST Research Inc has a $1m order for over 70 of its Premium 486/33 personal computers from the Tokyo Grain Exchange, which is responding to recent legislation in the Japanese Diet permitting the introduction of options trading for commodities in Japan: the AST systems will be used as workstations for the Japanese exchange’s traders based in Tokyo, and the International Commodities Clearing House in London developed special software for the Japanese exchange and assisted in the selection of the computers.