Aim/purpose - The aim of this paper is to verify whether extremely high values of market value ratios are the symptoms of informational inefficiency of the market in a weak form. The authors intend to examine whether these phenomena co-occur with each other. Design/methodology/approach -...

Study was carried out to check the random behavior of the Karachi Stock Exchange (KSE 100 Index) during the period of past three financial years to know whether investors could generate abnormal profits during the period or otherwise. Tests used were Runs Test, ADF Test, PP Test and...