BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2009	5.196	5.211	5.171	5.206	32,362	+0.03(+0.59%)
Mar 30, 2009	5.196	5.242	5.166	5.176	50,983	-0.06(-1.07%)
Mar 26, 2009	5.247	5.272	5.211	5.232	36,394	-0.03(-0.48%)
Mar 25, 2009	5.216	5.257	5.196	5.257	24,065	+0.04(+0.78%)
Mar 24, 2009	5.237	5.247	5.196	5.216	11,435	-0.02(-0.39%)
Mar 23, 2009	5.242	5.252	5.216	5.237	55,429	-0.02(-0.39%)
Mar 20, 2009	5.257	5.262	5.237	5.257	7,890	+0.02(+0.29%)
Mar 19, 2009	5.222	5.262	5.199	5.242	52,226	+0.02(+0.39%)
Mar 18, 2009	5.140	5.222	5.125	5.222	14,202	+0.09(+1.68%)
Mar 17, 2009	5.196	5.196	5.090	5.135	51,082	-0.06(-1.07%)
Mar 16, 2009	5.232	5.267	5.140	5.191	50,354	-0.04(-0.78%)
Mar 13, 2009	5.242	5.262	5.227	5.232	0	+0.01(+0.19%)
Mar 12, 2009	5.242	5.262	5.201	5.222	185,117	-0.04(-0.77%)
Mar 11, 2009	5.247	5.303	5.196	5.262	17,149	+0.04(+0.68%)
Mar 10, 2009	5.161	5.227	5.090	5.227	40,708	+0.09(+1.68%)
Mar 09, 2009	5.161	5.171	5.100	5.140	27,596	-0.03(-0.59%)
Mar 06, 2009	5.110	5.171	5.085	5.171	0	+0.10(+2.00%)
Mar 05, 2009	5.019	5.120	5.019	5.069	25,333	-0.13(-2.44%)
Mar 04, 2009	5.171	5.196	5.130	5.196	27,113	+0.01(+0.20%)