BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	13.57	13.67	13.56	13.60	38,919	+0.12(+0.89%)
Aug 30, 2011	13.38	13.48	13.38	13.48	28,090	+0.06(+0.45%)
Aug 29, 2011	13.43	13.43	13.32	13.42	14,961	+0.06(+0.45%)
Aug 26, 2011	13.31	13.40	13.31	13.36	20,868	+0.00(+0.00%)
Aug 25, 2011	13.33	13.36	13.26	13.36	27,875	+0.01(+0.07%)
Aug 24, 2011	13.39	13.43	13.31	13.35	19,651	-0.01(-0.07%)
Aug 23, 2011	13.30	13.37	13.28	13.36	14,754	+0.06(+0.45%)
Aug 22, 2011	13.24	13.40	13.24	13.30	46,512	+0.05(+0.38%)
Aug 19, 2011	13.15	13.34	13.15	13.25	20,797	-0.02(-0.15%)
Aug 18, 2011	13.24	13.32	13.14	13.27	17,335	-0.10(-0.75%)
Aug 17, 2011	13.32	13.40	13.32	13.37	9,039	+0.06(+0.45%)
Aug 16, 2011	13.32	13.38	13.28	13.31	23,556	-0.09(-0.67%)
Aug 15, 2011	13.29	13.40	13.22	13.40	23,389	+0.15(+1.13%)
Aug 12, 2011	13.06	13.26	13.05	13.25	12,997	+0.16(+1.22%)
Aug 11, 2011	12.97	13.10	12.95	13.09	12,080	+0.01(+0.08%)
Aug 10, 2011	12.69	13.12	12.61	13.08	44,930	+0.35(+2.75%)
Aug 09, 2011	13.12	12.78	12.35	12.73	54,886	+0.12(+0.95%)
Aug 08, 2011	13.12	13.12	12.56	12.61	77,366	-0.72(-5.40%)
Aug 05, 2011	13.38	13.42	13.15	13.33	28,058	-0.02(-0.15%)
Aug 04, 2011	13.51	13.64	13.35	13.35	18,451	-0.15(-1.11%)
Aug 03, 2011	13.36	13.59	13.36	13.50	24,397	+0.10(+0.75%)
Aug 02, 2011	13.27	13.44	13.27	13.40	17,287	+0.11(+0.83%)
Aug 01, 2011	13.14	13.29	13.14	13.29	9,956	+0.21(+1.61%)
Jul 29, 2011	13.08	13.12	13.05	13.08	17,911	-0.12(-0.91%)
Jul 28, 2011	13.16	13.29	13.01	13.20	26,086	+0.01(+0.08%)
Jul 27, 2011	13.35	13.40	13.18	13.19	21,915	-0.22(-1.64%)
Jul 26, 2011	13.51	13.55	13.40	13.41	26,665	-0.14(-1.03%)
Jul 25, 2011	13.46	13.66	13.44	13.55	45,559	+0.03(+0.22%)
Jul 22, 2011	13.55	13.55	13.52	13.52	60,087	+0.11(+0.82%)
Jul 21, 2011	13.44	13.48	13.35	13.41	21,384	+0.01(+0.07%)
Jul 20, 2011	13.28	13.40	13.28	13.40	16,770	+0.10(+0.75%)
Jul 19, 2011	13.22	13.36	13.22	13.30	29,536	+0.03(+0.23%)
Jul 18, 2011	13.32	13.38	13.21	13.27	16,890	-0.07(-0.52%)
Jul 15, 2011	13.39	13.40	13.32	13.34	25,962	-0.05(-0.37%)
Jul 14, 2011	13.42	13.48	13.39	13.39	7,072	-0.09(-0.67%)
Jul 13, 2011	13.43	13.51	13.43	13.48	16,688	-0.03(-0.22%)
Jul 12, 2011	13.57	13.57	13.49	13.51	20,173	-0.01(-0.04%)
Jul 11, 2011	13.61	13.61	13.51	13.52	14,329	-0.06(-0.48%)
Jul 08, 2011	13.51	13.58	13.51	13.58	10,010	+0.00(+0.00%)
Jul 07, 2011	13.43	13.62	13.43	13.58	31,525	+0.13(+0.97%)
Jul 06, 2011	13.39	13.47	13.39	13.45	20,085	+0.00(+0.00%)
Jul 05, 2011	13.40	13.46	13.36	13.45	34,784	+0.09(+0.67%)
Jul 01, 2011	13.31	13.36	13.31	13.36	12,419	-0.01(-0.07%)
Jun 30, 2011	13.32	13.37	13.32	13.37	12,696	+0.04(+0.30%)
Jun 29, 2011	13.50	13.50	13.31	13.33	25,087	-0.13(-0.97%)
Jun 28, 2011	13.43	13.52	13.43	13.46	8,876	+0.01(+0.07%)
Jun 27, 2011	13.41	13.48	13.41	13.45	14,843	-0.02(-0.15%)
Jun 24, 2011	13.43	13.49	13.43	13.47	2,129	+0.01(+0.07%)
Jun 23, 2011	13.55	13.62	13.40	13.46	46,054	-0.09(-0.66%)
Jun 22, 2011	13.55	13.57	13.55	13.55	3,983	+0.00(+0.00%)
Jun 21, 2011	13.42	13.55	13.42	13.55	18,942	+0.08(+0.59%)
Jun 20, 2011	13.44	13.47	13.44	13.47	16,739	+0.08(+0.60%)
Jun 17, 2011	13.35	13.39	13.28	13.39	19,656	+0.01(+0.07%)
Jun 16, 2011	13.37	13.42	13.30	13.38	16,301	+0.01(+0.07%)
Jun 15, 2011	13.28	13.37	13.28	13.37	12,593	+0.02(+0.15%)
Jun 14, 2011	13.25	13.36	13.25	13.35	9,971	+0.07(+0.53%)
Jun 13, 2011	13.31	13.38	13.24	13.28	15,470	-0.06(-0.45%)
Jun 10, 2011	13.33	13.42	13.28	13.34	29,183	+0.01(+0.08%)
Jun 09, 2011	13.40	13.40	13.33	13.33	11,466	-0.03(-0.22%)
Jun 08, 2011	13.39	13.42	13.36	13.36	10,131	-0.03(-0.22%)
Jun 07, 2011	13.35	13.40	13.35	13.39	23,303	-0.00(-0.00%)
Jun 06, 2011	13.26	13.42	13.26	13.39	23,178	+0.09(+0.68%)