*U.S. Dollar Slips To 4-day Low Of 0.5867 Against NZ Dollar

*U.S. Dollar Slides To Near 2-week Low Of 1.3928 Against Canadian Dollar

*U.S. Dollar Edges Down To 1.0490 Against Euro

*U.S. Dollar Ticks Down To 0.8892 Against Swiss Franc

*U.S. Dollar Drops To Near 2-week Low Of 0.6551 Against Australian Dollar