CMA is either unable or unwilling to regulate the market therefore you can only invest in such casinos if you're into gamling. Some time they let you win; but the house always wins; Brokers, Insiders (top management privy to financial statements),Company directors, owners and all sort of crooks within large fund investment[nssf,insurance co',pension fund managers] engage in all sort of tricks including the obvious pump and dump all designed to leave mama mboga stupid enough to invest in NSE without a shirt.
If you really want to make money...go buy some land somewhere..it will never lose value...it will beat inflation.