Abstract
The importance of the financial intermediary is evident in the process of trading in stock market, as it is the authorized entity to enter the market and carry out these operations based on the orders of investors in this market. The comparative law are mainly represented in enhancing the interests of investors and ensuring the safety of dealing with the security in a transparent and competitive manner and determining the rights and obligations of the parties to the trading process, and then gained the importance of the broker when the investors began to move towards investing their money in securities after the countries adopted the policy of privatizing public sector companies and the resulting securities trading and stimulating markets, Therefore, the role of the mediator is very important because it represents the experience of dealings and the know-how in this field. The fact that most of the investors do not know the process of searching for the most suitable prices and buying them in light of economic developments and accompanying the alternate fluctuations in prices and in light of the manifestations of rights and obligations of brokers companies towards investors It is imperative to know the rights of each of the broker in the stock market and the right to imprisonment or monopoly or brokerage business and know the obligations of this broker in exchange for rights, Then it must be a commitment to disclosure to investors and a commitment to preserve the secret of the profession as well as commitment to implement the orders of the investor and there are many legal effects imposed to that mediator in the event of failure, as many civil and administrative sanctions are imposed; in order to protect investors and protect the market, but in spite of these sanctions we found that many violations and some illegal practices are committed in order to obtain a quick profit, as for the importance of this issue, it is necessary to know those processes in which trading takes place and the declaration of current data related to securities.