A stockbroker is a regulated representative of the financial market who enables the buying and selling of securities on behalf of financial institutions, investor clients, and firms. A stockbroker is also called a registered representative or a broker. Get in-depth information on positions, margin and your overall holdings with our equity research reports. With real-time and consolidated views, these reports are simple to understand and easy to access. Benefit from 30 years of equity expertise with these reports available here and on the MO Investor and MO Trader App.