This section deals with the working of stock exchange and the main parties involved . The brokers , buyers and sellers . Brokers act as the mediator between buyers and sellers in stock exchange . They can also open a DEMAT Account for the investors .different institutions play a role like SEBI , govt , bank and exchange . Stock market is still debated whether it is a business or gambling . It is considered to be both. Two positions may be covered in the market like short position and long position. Trading may be done in a positional trading or intra trading. Risk and returns are assured in the market .