BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2008	6.448	6.474	6.428	6.464	22,329	+0.03(+0.47%)
Apr 29, 2008	6.453	6.469	6.423	6.433	41,570	-0.01(-0.08%)
Apr 28, 2008	6.443	6.443	6.388	6.438	23,079	+0.01(+0.16%)
Apr 25, 2008	6.428	6.438	6.398	6.428	30,180	+0.01(+0.08%)
Apr 24, 2008	6.413	6.448	6.388	6.423	16,964	-0.03(-0.39%)
Apr 23, 2008	6.433	6.464	6.433	6.448	15,948	+0.01(+0.16%)
Apr 22, 2008	6.529	6.529	6.362	6.438	75,126	-0.02(-0.24%)
Apr 21, 2008	6.413	6.453	6.413	6.453	34,433	+0.04(+0.63%)
Apr 18, 2008	6.388	6.428	6.388	6.413	25,359	+0.02(+0.24%)
Apr 17, 2008	6.382	6.459	6.382	6.398	57,455	-0.01(-0.08%)
Apr 16, 2008	6.367	6.408	6.362	6.403	23,738	+0.01(+0.08%)
Apr 15, 2008	6.357	6.398	6.352	6.398	11,638	+0.03(+0.48%)
Apr 14, 2008	6.342	6.393	6.342	6.367	30,030	+0.00(+0.00%)
Apr 11, 2008	6.382	6.408	6.337	6.367	26,308	-0.04(-0.55%)
Apr 10, 2008	6.347	6.408	6.347	6.403	17,654	+0.05(+0.72%)
Apr 09, 2008	6.317	6.367	6.306	6.357	24,460	+0.06(+0.97%)
Apr 08, 2008	6.357	6.388	6.296	6.296	54,640	-0.06(-0.96%)
Apr 07, 2008	6.377	6.393	6.352	6.357	42,410	-0.02(-0.32%)
Apr 04, 2008	6.347	6.398	6.347	6.377	23,473	+0.04(+0.64%)
Apr 03, 2008	6.301	6.367	6.301	6.337	48,920	+0.04(+0.56%)
Apr 02, 2008	6.261	6.301	6.261	6.301	33,139	+0.02(+0.32%)