The Pakistan Stock Exchange, on Wednesday and Thursday, issued a series of notifications to various companies inquiring about the unusual changes in the price and volume of their shares. According to PSX’s website, the companies that were issued notices include, S.S.Oil Mills Limited, Saritow Spinning Mills Limited, Rupali Polyester Limited, Punjab Oil Mills Limited, First Prudential Modaraba, Nimir Resins Limited, Pakistan Engineering Company Limited, Netsol Technologies Limited, Khurshid Spinning Mills Limited, Ideal Spinning Mills Limited, Hira Textile Mills Limited, Data Agro Limited, Cyan Limited, The Crescent Textile Mills Limited, Aisha Steel Mills Limited and Abddullah Shah Ghazi Sugar Mills Limited PSX informed all these companies that they should provide the exchange with details of any matter or development that is or may be relevant to the unusual movements, or a statement of the fact that it is not aware of any such matter or development. ‘In case of any material/price-sensitive information that is likely to affect the market price/volume, the companies are required to share the same to the Exchange for its onward dissemination to all market participants’, the notice said. ‘In the absence of any material announcement of the company, it is advisable to furnish the reason and / or any material information in Company’s knowledge which may have resulted in substantial increase in price’, it adde .