The National Stock Exchange of India and the Bombay Stock Exchange via brokers, provide an ecosystem to investors to trade in capital markets through various channels- broker offices, investment advisor or screen-based electronic trading system. Stock markets are often referred as equity markets or share markets and buying or selling of stocks is called stock trading. A share is a unit of ownership of a company. Buying shares or stocks of a company means that you are buying a unit of the company which is publicly listed. Selling their own shares gives an opportunity to the company to raise funds for future growth.