BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2010	7.015	7.030	7.010	7.025	59,822	+0.02(+0.22%)
Apr 29, 2010	7.015	7.041	6.992	7.010	93,824	-0.03(-0.44%)
Apr 28, 2010	6.994	7.051	6.994	7.041	100,923	+0.02(+0.30%)
Apr 27, 2010	6.927	7.020	6.927	7.020	93,832	+0.04(+0.62%)
Apr 26, 2010	6.916	6.979	6.916	6.977	68,166	+0.03(+0.50%)
Apr 23, 2010	6.937	6.953	6.927	6.942	109,497	+0.02(+0.22%)
Apr 22, 2010	6.880	6.927	6.875	6.927	116,440	+0.04(+0.60%)
Apr 21, 2010	6.844	6.885	6.844	6.885	85,145	+0.01(+0.15%)
Apr 20, 2010	6.844	6.880	6.844	6.875	67,608	+0.02(+0.23%)
Apr 19, 2010	6.865	6.870	6.839	6.860	128,657	+0.01(+0.15%)
Apr 16, 2010	6.839	6.860	6.839	6.849	50,761	+0.01(+0.15%)
Apr 15, 2010	6.849	6.875	6.829	6.839	81,945	-0.02(-0.23%)
Apr 14, 2010	6.854	6.854	6.839	6.854	55,172	+0.02(+0.23%)
Apr 13, 2010	6.823	6.844	6.808	6.839	149,787	+0.02(+0.31%)
Apr 12, 2010	6.813	6.818	6.802	6.818	74,210	+0.01(+0.08%)
Apr 09, 2010	6.797	6.823	6.797	6.813	51,444	+0.01(+0.15%)
Apr 08, 2010	6.797	6.818	6.797	6.802	116,232	+0.02(+0.23%)
Apr 07, 2010	6.792	6.797	6.777	6.787	51,607	+0.01(+0.15%)
Apr 06, 2010	6.761	6.787	6.761	6.777	81,752	+0.02(+0.30%)
Apr 05, 2010	6.792	6.792	6.756	6.756	77,488	-0.04(-0.53%)