Prime Minister Shaukat Aziz has summoned his Adviser on Finance Dr Salman Shah and State Bank Governor Dr Ishrat Husain to assess the placement of liquidity in the stock market for phasing out of COT (badla) with margin financing. At present, Salman and Ishrat are in the US to attend International Monetary Fund and World Bank spring meetings. They are scheduled to return on April 25. Now they would report in Islamabad directly.