BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2011	7.798	7.918	7.798	7.872	50,291	+0.02(+0.29%)
Oct 28, 2011	7.809	7.855	7.803	7.849	52,211	-0.01(-0.15%)
Oct 27, 2011	7.878	7.912	7.849	7.861	26,639	+0.00(+0.00%)
Oct 26, 2011	7.821	7.884	7.815	7.861	37,906	+0.04(+0.51%)
Oct 25, 2011	7.838	7.844	7.815	7.821	22,341	-0.03(-0.44%)
Oct 24, 2011	7.867	7.912	7.855	7.855	24,488	-0.03(-0.36%)
Oct 21, 2011	7.861	7.884	7.844	7.884	33,533	+0.02(+0.29%)
Oct 20, 2011	7.780	7.861	7.780	7.861	22,769	+0.07(+0.96%)
Oct 19, 2011	7.786	7.803	7.780	7.786	8,556	-0.01(-0.15%)
Oct 18, 2011	7.832	7.838	7.798	7.798	16,701	-0.01(-0.15%)
Oct 17, 2011	7.809	7.861	7.769	7.809	21,311	-0.02(-0.29%)
Oct 14, 2011	7.758	7.832	7.758	7.832	18,918	+0.06(+0.74%)
Oct 13, 2011	7.643	7.775	7.614	7.775	66,159	+0.12(+1.57%)
Oct 12, 2011	7.775	7.792	7.620	7.654	145,754	-0.10(-1.28%)
Oct 11, 2011	7.805	7.827	7.753	7.753	57,601	-0.06(-0.73%)
Oct 10, 2011	7.856	7.941	7.810	7.810	84,768	-0.06(-0.72%)
Oct 07, 2011	7.867	7.896	7.822	7.867	36,993	-0.02(-0.22%)
Oct 06, 2011	7.919	7.941	7.867	7.884	15,792	-0.07(-0.86%)
Oct 05, 2011	7.896	7.953	7.873	7.953	31,461	+0.06(+0.72%)
Oct 04, 2011	8.084	8.084	7.867	7.896	48,739	-0.17(-2.13%)