BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)
Jan 01, 2009	4.461	4.593	4.461	4.537	0	+0.00(+0.00%)
Dec 31, 2008	4.461	4.593	4.461	4.537	119,331	+0.09(+1.94%)
Dec 30, 2008	4.436	4.563	4.370	4.451	143,302	+0.07(+1.50%)
Dec 29, 2008	4.390	4.446	4.365	4.385	53,918	+0.02(+0.46%)
Dec 26, 2008	4.223	4.410	4.223	4.365	85,245	+0.15(+3.49%)
Dec 24, 2008	4.157	4.481	4.157	4.218	81,890	+0.07(+1.71%)
Dec 23, 2008	4.182	4.309	4.096	4.147	262,307	-0.04(-0.85%)
Dec 22, 2008	4.208	4.410	4.177	4.182	115,629	+0.01(+0.12%)
Dec 19, 2008	4.020	4.208	4.020	4.177	119,998	+0.10(+2.36%)
Dec 18, 2008	3.924	4.177	3.924	4.081	138,059	+0.13(+3.21%)
Dec 17, 2008	3.756	3.954	3.756	3.954	192,144	+0.15(+4.00%)
Dec 16, 2008	3.817	3.863	3.751	3.802	108,255	-0.02(-0.40%)
Dec 15, 2008	3.858	3.858	3.817	3.817	139,957	-0.04(-1.05%)
Dec 12, 2008	3.853	3.924	3.843	3.858	120,120	-0.06(-1.43%)
Dec 11, 2008	3.959	3.959	3.863	3.914	234,888	-0.07(-1.66%)
Dec 10, 2008	4.076	4.228	3.964	3.980	93,252	-0.15(-3.56%)
Dec 09, 2008	4.066	4.132	4.025	4.127	43,627	+0.04(+0.99%)
Dec 08, 2008	4.056	4.157	4.040	4.086	122,308	+0.03(+0.62%)
Dec 05, 2008	4.187	4.187	4.045	4.061	48,707	-0.12(-2.91%)
Dec 04, 2008	4.289	4.289	4.132	4.182	41,688	-0.10(-2.25%)
Dec 03, 2008	4.299	4.345	4.248	4.279	123,687	-0.02(-0.47%)
Dec 02, 2008	4.329	4.360	4.299	4.299	84,059	-0.06(-1.40%)
Dec 01, 2008	4.390	4.431	4.360	4.360	85,880	-0.08(-1.83%)
Nov 28, 2008	4.426	4.456	4.408	4.441	24,947	+0.03(+0.57%)
Nov 26, 2008	4.466	4.471	4.416	4.416	52,470	-0.05(-1.14%)
Nov 25, 2008	4.410	4.471	4.410	4.466	65,418	-0.01(-0.11%)
Nov 24, 2008	4.339	4.598	4.339	4.471	21,996	+0.09(+2.08%)
Nov 21, 2008	4.461	4.532	4.329	4.380	91,001	+0.02(+0.47%)
Nov 20, 2008	4.542	4.623	4.360	4.360	84,038	-0.35(-7.53%)
Nov 19, 2008	4.811	4.811	4.674	4.715	91,646	-0.10(-2.00%)
Nov 18, 2008	4.877	4.887	4.801	4.811	37,810	-0.07(-1.35%)
Nov 17, 2008	4.963	4.978	4.872	4.877	101,706	-0.09(-1.74%)
Nov 14, 2008	5.034	5.034	4.715	4.963	20,357	-0.08(-1.51%)
Nov 13, 2008	4.745	5.095	4.725	5.039	134,960	+0.19(+3.87%)
Nov 12, 2008	5.069	5.090	4.851	4.851	50,944	-0.24(-4.78%)
Nov 11, 2008	5.075	5.115	5.054	5.095	43,604	-0.01(-0.10%)
Nov 10, 2008	5.181	5.323	5.100	5.100	20,860	-0.12(-2.24%)
Nov 07, 2008	5.130	5.536	5.105	5.216	91,429	+0.04(+0.78%)
Nov 06, 2008	5.064	5.227	5.064	5.176	43,041	+0.10(+2.00%)
Nov 05, 2008	4.907	5.090	4.886	5.075	108,066	+0.24(+4.93%)
Nov 04, 2008	4.801	4.877	4.775	4.836	69,421	+0.04(+0.85%)