From Longman Business Dictionaryactive tradingˌactive ˈtradingFINANCE1when many shares, COMMODITIES (=oil, metals, farm products etc) are being bought and soldStock prices rose in active trading of 170.3 million shares on the New York Stock Exchange.2when a company’s shares are being bought and sold on a stockmarket, and have not been SUSPENDED (=prevented from being traded by the authorities)The company’s shares return to active trading today after a three-week suspension. → trading