taken from Al-Rifai, T., (2000) "Islamic Funds Play a Disappearing Act," taken from Ang, A., J. Chen and Y. Xing, (2005) "Downside Risk," AFA 2005 Philadelphia Meetings. Annuar, M., S. Mohamed and M. Ngu, (1997) "Selectivity and Timing: Evidence from the Performance of Malaysian Unit Trusts," Pertanika 5(1), 45-57.