BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2009	6.433	6.428	6.428	6.428	24,460	+0.06(+0.88%)
Dec 30, 2009	6.438	6.438	6.372	6.372	25,775	-0.07(-1.02%)
Dec 29, 2009	6.438	6.443	6.393	6.438	26,128	+0.00(+0.00%)
Dec 28, 2009	6.438	6.443	6.413	6.438	36,392	+0.00(+0.00%)
Dec 24, 2009	6.377	6.438	6.357	6.438	40,838	+0.07(+1.11%)
Dec 23, 2009	6.377	6.377	6.366	6.368	28,407	-0.02(-0.31%)
Dec 22, 2009	6.408	6.428	6.377	6.388	42,154	-0.04(-0.63%)
Dec 21, 2009	6.433	6.443	6.403	6.428	86,241	-0.01(-0.08%)
Dec 18, 2009	6.377	6.443	6.327	6.433	96,146	+0.04(+0.55%)
Dec 17, 2009	6.393	6.398	6.327	6.398	54,964	+0.01(+0.08%)
Dec 16, 2009	6.342	6.393	6.332	6.393	40,388	+0.04(+0.64%)
Dec 15, 2009	6.388	6.393	6.352	6.352	39,929	-0.04(-0.56%)
Dec 14, 2009	6.448	6.448	6.382	6.388	51,514	-0.05(-0.79%)
Dec 11, 2009	6.428	6.448	6.423	6.438	15,693	+0.00(+0.00%)
Dec 10, 2009	6.423	6.443	6.413	6.438	41,272	+0.03(+0.40%)
Dec 09, 2009	6.367	6.423	6.367	6.413	41,304	+0.05(+0.72%)
Dec 08, 2009	6.362	6.372	6.342	6.367	39,889	+0.01(+0.16%)
Dec 07, 2009	6.382	6.382	6.342	6.357	67,407	+0.03(+0.48%)
Dec 04, 2009	6.423	6.423	6.327	6.327	36,889	-0.04(-0.56%)
Dec 03, 2009	6.372	6.373	6.301	6.362	64,637	+0.03(+0.48%)
Dec 02, 2009	6.276	6.332	6.276	6.332	37,481	+0.05(+0.81%)
Dec 01, 2009	6.210	6.286	6.210	6.281	56,337	+0.09(+1.47%)
Nov 30, 2009	6.210	6.210	6.180	6.190	82,075	-0.03(-0.49%)
Nov 27, 2009	6.180	6.220	6.180	6.220	22,160	+0.02(+0.25%)
Nov 25, 2009	6.190	6.205	6.170	6.205	147,060	+0.02(+0.33%)
Nov 24, 2009	6.230	6.230	6.170	6.185	86,614	+0.00(+0.00%)
Nov 23, 2009	6.139	6.185	6.139	6.185	48,405	+0.02(+0.25%)
Nov 20, 2009	6.134	6.185	6.133	6.170	50,157	+0.01(+0.16%)
Nov 19, 2009	6.159	6.174	6.134	6.159	58,090	-0.03(-0.41%)
Nov 18, 2009	6.139	6.185	6.139	6.185	71,987	+0.00(+0.00%)
Nov 17, 2009	6.185	6.185	6.149	6.185	32,571	+0.00(+0.00%)
Nov 16, 2009	6.139	6.185	6.124	6.185	38,783	+0.05(+0.74%)
Nov 13, 2009	6.185	6.185	6.139	6.139	47,584	-0.04(-0.57%)
Nov 12, 2009	6.175	6.210	6.164	6.175	28,523	-0.02(-0.40%)
Nov 11, 2009	6.261	6.261	6.199	6.199	35,331	-0.04(-0.66%)
Nov 10, 2009	6.200	6.265	6.200	6.241	41,205	+0.02(+0.24%)
Nov 09, 2009	6.266	6.301	6.225	6.225	55,202	-0.06(-0.89%)
Nov 06, 2009	6.195	6.286	6.195	6.281	19,124	+0.07(+1.14%)
Nov 05, 2009	6.241	6.251	6.200	6.210	38,130	-0.03(-0.49%)
Nov 04, 2009	6.251	6.271	6.220	6.241	51,687	+0.02(+0.24%)
Nov 03, 2009	6.205	6.235	6.205	6.225	35,557	-0.01(-0.16%)
Nov 02, 2009	6.210	6.235	6.175	6.235	30,644	+0.05(+0.74%)
Oct 30, 2009	6.235	6.235	6.185	6.190	24,756	-0.05(-0.73%)
Oct 29, 2009	6.286	6.286	6.210	6.235	66,661	-0.01(-0.16%)
Oct 28, 2009	6.276	6.286	6.241	6.246	60,199	-0.05(-0.81%)
Oct 27, 2009	6.286	6.327	6.271	6.296	90,366	-0.02(-0.24%)
Oct 26, 2009	6.337	6.357	6.311	6.311	118,138	-0.05(-0.80%)
Oct 23, 2009	6.322	6.372	6.322	6.362	84,868	+0.03(+0.40%)
Oct 22, 2009	6.438	6.438	6.337	6.337	55,972	-0.09(-1.34%)
Oct 21, 2009	6.540	6.540	6.423	6.423	51,916	-0.12(-1.78%)
Oct 20, 2009	6.423	6.540	6.408	6.540	159,764	+0.19(+3.04%)
Oct 19, 2009	6.266	6.388	6.261	6.347	105,882	+0.06(+0.97%)
Oct 16, 2009	6.235	6.296	6.231	6.286	51,161	+0.05(+0.73%)
Oct 15, 2009	6.337	6.337	6.149	6.241	118,856	-0.04(-0.57%)
Oct 14, 2009	6.514	6.514	6.268	6.276	63,260	-0.21(-3.28%)
Oct 13, 2009	6.398	6.489	6.398	6.489	60,523	+0.06(+0.87%)
Oct 12, 2009	6.565	6.621	6.332	6.433	79,377	-0.21(-3.13%)
Oct 09, 2009	6.707	6.727	6.641	6.641	21,534	-0.10(-1.50%)
Oct 08, 2009	6.753	6.753	6.707	6.742	41,897	-0.01(-0.13%)
Oct 07, 2009	6.717	6.783	6.717	6.751	63,817	+0.02(+0.29%)
Oct 06, 2009	6.682	6.747	6.682	6.732	103,876	+0.08(+1.14%)
Oct 05, 2009	6.666	6.707	6.616	6.656	168,946	-0.02(-0.30%)
Oct 02, 2009	6.595	6.697	6.595	6.676	133,599	+0.02(+0.23%)