Stock Exchange" is at a crawl. And central securities exchange Investment between the applicant (Ie companies that are a public limited company) and investors (ie, investors or other investors in general) is the center's main function is to provide information. To be paid or collected news and essence. And represent the middle between the company and the investors, but the individual investors. Can not be traded Directly on the Exchange All investors need a broker. (Broker) to trade.