“…However, some empirical studies conducted in different international stock markets have also reported that stock returns exhibit abnormal behavior on third trading day i.e Tuesday instead of the more common Monday effect (Guo and Wang, 2007) Numerous researchers have studied the relationship between political administrations and the macroeconomic variables. Accordingly, relationships of different natures have been identified by researchers such as Neiderhoffer, Gibbs, and Jim (1970), Allvine and O'Neill (1980), Riley and Luksetich (1980), Chappell and Keech (1986), Alesina and Sachs (1988), Hensel and Ziemba (1995) and Liano, Liano, and Manakyan (1999). Chappell and Keech (1986) have identified growth in the Gross National Product in the first half term of the Democratic Administration as compared to the second half term of the Republican Administration.…”