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%)
Mar 02, 2009	5.267	5.272	5.171	5.186	52,944	-0.09(-1.73%)
Feb 27, 2009	5.191	5.313	5.171	5.277	0	+0.08(+1.56%)
Feb 26, 2009	5.237	5.237	5.186	5.196	34,824	+0.01(+0.20%)
Feb 25, 2009	5.130	5.186	5.104	5.186	25,738	+0.08(+1.49%)
Feb 24, 2009	4.968	5.110	4.938	5.110	45,992	+0.14(+2.86%)
Feb 23, 2009	5.120	5.120	4.968	4.968	68,251	-0.13(-2.58%)
Feb 20, 2009	5.222	5.232	4.978	5.100	203,770	-0.14(-2.71%)
Feb 19, 2009	5.257	5.267	5.222	5.242	56,765	-0.02(-0.29%)
Feb 18, 2009	5.247	5.282	5.232	5.257	97,731	+0.03(+0.58%)
Feb 17, 2009	5.465	5.465	5.222	5.227	60,371	-0.25(-4.54%)
Feb 13, 2009	5.541	5.551	5.445	5.475	66,896	-0.05(-0.83%)
Feb 12, 2009	5.521	5.589	5.505	5.521	53,944	+0.03(+0.63%)
Feb 11, 2009	5.516	5.516	5.460	5.486	27,211	-0.00(-0.08%)
Feb 10, 2009	5.465	5.529	5.465	5.490	73,644	+0.03(+0.46%)
Feb 09, 2009	5.343	5.465	5.343	5.465	38,814	+0.11(+1.99%)
Feb 06, 2009	5.313	5.358	5.313	5.358	43,890	+0.07(+1.34%)
Feb 05, 2009	5.252	5.318	5.252	5.287	34,427	+0.04(+0.77%)
Feb 04, 2009	5.206	5.272	5.206	5.247	28,022	+0.02(+0.29%)
Feb 03, 2009	5.242	5.257	5.201	5.232	28,937	+0.01(+0.19%)
Feb 02, 2009	5.262	5.277	5.211	5.222	53,204	-0.04(-0.68%)
Jan 30, 2009	5.247	5.265	5.247	5.257	0	+0.01(+0.19%)
Jan 29, 2009	5.252	5.262	5.216	5.247	39,017	+0.01(+0.19%)
Jan 28, 2009	5.242	5.262	5.227	5.237	55,528	+0.02(+0.29%)
Jan 27, 2009	5.247	5.247	5.196	5.222	37,084	-0.01(-0.19%)
Jan 26, 2009	5.186	5.242	5.135	5.232	33,626	+0.05(+0.98%)
Jan 23, 2009	5.161	5.186	5.130	5.181	13,981	+0.03(+0.49%)
Jan 22, 2009	5.171	5.222	5.110	5.156	31,328	+0.01(+0.10%)
Jan 21, 2009	5.196	5.219	5.100	5.151	29,523	-0.05(-0.97%)
Jan 20, 2009	5.196	5.237	5.196	5.201	28,225	+0.04(+0.69%)
Jan 16, 2009	5.019	5.191	5.019	5.166	42,728	+0.16(+3.24%)
Jan 15, 2009	5.095	5.100	4.922	5.004	88,764	-0.07(-1.40%)
Jan 14, 2009	5.237	5.237	5.039	5.075	74,455	-0.14(-2.72%)
Jan 13, 2009	5.252	5.379	5.206	5.216	165,478	-0.06(-1.15%)
Jan 12, 2009	5.247	5.313	5.247	5.277	51,973	+0.05(+0.97%)
Jan 09, 2009	5.146	5.272	5.137	5.227	72,161	+0.10(+1.98%)
Jan 08, 2009	4.988	5.156	4.948	5.125	37,723	+0.17(+3.48%)
Jan 07, 2009	4.851	4.988	4.851	4.953	72,038	+0.01(+0.10%)
Jan 06, 2009	4.826	4.968	4.826	4.948	55,528	+0.12(+2.52%)
Jan 05, 2009	4.760	4.892	4.750	4.826	49,618	+0.12(+2.48%)
Jan 02, 2009	4.563	4.725	4.563	4.710	0	+0.17(+3.80%)