In the event of any disaster, crisis and disturbance, which may result in a serious impact on the market, and in the event where several traders give misleading intimations or indications, the Authority shall have the widest powers to issue instructions that aim to regain fairness, transparency and efficiency of the market. The Authority may take any of the following actions: 1 - Suspend trading at an Exchange or the trading of any listed Security for a limited period. 2 - Cancel trading for a specific period or cancel transactions on certain shares. 3 - Issue decisions to dissolve all or part of an account balance or reduction thereof. 4 - Amend the trading days and hours. 5 - Amend or suspend any of the Exchange’s rule