Karachi Stock Exchange (KSE) on Tuesday announced the names of four open-end funds acceptable as collateral against margin requirements. In a notice sent to all members the KSE said that the following four open-end funds would be eligible as collateral against margin requirements with effect from August 15, 2011. These open-end funds include JS Cash Fund, MCB Cash Management Optimised Fund, Pakistan Cash Management Fund and Meezan Cash Fund.