a place where shares in companies are bought and sold, or the organization of people whose job is to do this buying or selling

They bought some shares on the London stock exchange. 他们在伦敦证券交易所买了些股票。

Stock markets around the world are reacting to news of the US president's announcement. 世界各地的股票交易所都对美国总统宣布的消息作出了反应。