Individuals as a result of his position within the company to obtain information, and ups and downs of the stock before the company's stock to buy or sell the stock first, to gain unfair advantage, known as insider trading, is an illegal act. Insider trading harm the public interest, because insiders know that can lead to stock price surge or plunge the news, they can advance to buy or sell a stock than the average investor to make profits or avoid losses. According to the Securities Ordinance, the so-called illegal insider trading, refers to the use of confidential and stock influential insider information to buy or sell company stock. However, in some cases, such as insider because of debt problems and was forced to sell the stock on hand, the legislation would not regard it as insider trading.