In contrast, foreign portfolio investors have put in Rs 5.92 billion in equities during the period under review. : Continuing their selling spree, foreign investors have pulled out nearly Rs 12 billion from the debt markets in the first two weeks of the month on higher fuel prices and possibilities of rate hike by the US Federal Reserve. The latest sell-off comes after foreign portfolio investors (FPIs) withdrew an amount close to Rs 500 billion from the debt markets in last five months (February to July). Prior to that, overseas investors had infused over Rs 85 billion in January.