The reason is that
activities being conducted in a different manner may have an effect on stock trading, these are
required to disclose. Fifth, listed companies are required not to give any sign in the
disclosures. Such disclosures include: (a) releasing any news to the public using improper
language; (b) releasing news to the public which is not reflective actual developments in the
company’s activities; (c) reporting or estimating in an exaggerated manner; (d) disclosing data
in an exaggerated manner or by using language that may make investors misunderstand,
causing stock price fluctuations without appropriate reason. Lastly, listed companies are
required not to trade directors’ stock by using internal information “Insider”. According to
insider, top management or directors are not able to sell or purchase any stock based on their
own important information which is not disclosed to the public.