Abstract

The information related to the company issuing the securities is not of one degree of importance, some of which are related to the daily business that does not affect the price of the securities, and some of them are sensitive and essential information, and this means that the information has an impact on the stock market by affecting the securities price traded in the stock market, up or down, if the information in this way contributes to determining the options of investors to buy or sell or determine the prices at which the process takes place. To achieve market efficiency, an investor should not take an advantage of that information alone in order to achieve gains. Therefore, the issuing companies must disclose sensitive information to the public at one time.