The tasks a Jobber, Share Market is expected to perform include:

• Buying and selling shares, securities, etc. in trading ring of Stock Exchange (place where Brokers and Jobbers meet at stipulated hours for making transactions) to speculate and make profits due to fluctuations in prices of shares, securities, etc.
• Watching market trend and the movement of prices various shares and securities
• Making transactions with other Brokers, Jobbers or their authorised agents at prices which appear favourable to him/her
• Maintaining records of transactions made