›a place where shares are bought and sold, and the people and organizations involved in this: The stock was up $3.125 at $26 on the New York Stock Exchange in early afternoon trading. list sth on a stock exchangeThe company has been listed on the stock exchange for 35 years.The Toronto stock exchange has suspended trading in the company's shares.traders on the stock exchange floora stock exchange statement/announcementstock exchange officials/regulators