BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2007	6.479	6.524	6.479	6.519	80,481	+0.01(+0.16%)
Oct 30, 2007	6.519	6.550	6.509	6.509	17,950	-0.02(-0.31%)
Oct 29, 2007	6.565	6.590	6.529	6.529	31,364	-0.04(-0.54%)
Oct 26, 2007	6.595	6.595	6.565	6.565	7,693	-0.03(-0.48%)
Oct 25, 2007	6.565	6.596	6.555	6.596	14,597	+0.01(+0.17%)
Oct 24, 2007	6.575	6.595	6.560	6.585	35,309	+0.01(+0.15%)
Oct 23, 2007	6.600	6.616	6.575	6.575	14,597	-0.04(-0.61%)
Oct 22, 2007	6.656	6.656	6.570	6.616	31,166	-0.01(-0.08%)
Oct 19, 2007	6.641	6.643	6.621	6.621	14,399	-0.02(-0.31%)
Oct 18, 2007	6.631	6.651	6.621	6.641	18,147	+0.02(+0.23%)
Oct 17, 2007	6.621	6.626	6.600	6.626	14,991	+0.03(+0.38%)
Oct 16, 2007	6.621	6.641	6.570	6.600	28,602	-0.03(-0.47%)
Oct 15, 2007	6.676	6.676	6.606	6.632	32,547	-0.06(-0.88%)
Oct 12, 2007	6.671	6.712	6.651	6.690	68,646	+0.02(+0.28%)
Oct 11, 2007	6.707	6.717	6.651	6.671	64,898	-0.07(-0.98%)
Oct 10, 2007	6.722	6.742	6.666	6.737	17,358	+0.02(+0.23%)
Oct 09, 2007	6.661	6.722	6.661	6.722	69,237	+0.07(+1.07%)
Oct 08, 2007	6.717	6.717	6.631	6.651	27,813	-0.06(-0.91%)
Oct 05, 2007	6.722	6.727	6.641	6.712	22,487	-0.03(-0.45%)
Oct 04, 2007	6.717	6.742	6.682	6.742	27,221	+0.01(+0.15%)
Oct 03, 2007	6.727	6.732	6.712	6.732	19,331	+0.02(+0.23%)
Oct 02, 2007	6.692	6.727	6.666	6.717	64,898	+0.03(+0.38%)
Oct 01, 2007	6.702	6.702	6.661	6.692	24,460	+0.02(+0.30%)
Sep 28, 2007	6.661	6.697	6.656	6.671	43,002	+0.03(+0.38%)
Sep 27, 2007	6.661	6.661	6.616	6.646	20,317	-0.01(-0.08%)
Sep 26, 2007	6.631	6.651	6.606	6.651	15,188	+0.02(+0.31%)
Sep 25, 2007	6.666	6.666	6.595	6.631	30,575	-0.04(-0.53%)
Sep 24, 2007	6.676	6.676	6.666	6.666	6,509	-0.01(-0.08%)
Sep 21, 2007	6.666	6.692	6.666	6.671	24,065	-0.01(-0.15%)
Sep 20, 2007	6.707	6.707	6.676	6.682	15,583	-0.04(-0.53%)
Sep 19, 2007	6.737	6.763	6.717	6.717	3,945	+0.01(+0.07%)
Sep 18, 2007	6.712	6.753	6.697	6.712	7,495	+0.02(+0.23%)
Sep 17, 2007	6.692	6.707	6.671	6.697	14,399	+0.00(+0.00%)
Sep 14, 2007	6.707	6.732	6.682	6.697	25,840	-0.02(-0.30%)
Sep 13, 2007	6.788	6.788	6.717	6.717	13,413	-0.07(-0.97%)
Sep 12, 2007	6.834	6.879	6.778	6.783	54,443	-0.09(-1.33%)
Sep 11, 2007	6.834	6.874	6.834	6.874	14,005	+0.03(+0.45%)
Sep 10, 2007	6.813	6.844	6.798	6.844	20,317	+0.03(+0.45%)
Sep 07, 2007	6.788	6.818	6.732	6.813	46,158	+0.08(+1.20%)
Sep 06, 2007	6.697	6.753	6.697	6.732	19,528	+0.03(+0.45%)
Sep 05, 2007	6.707	6.707	6.656	6.702	15,780	-0.01(-0.08%)
Sep 04, 2007	6.676	6.707	6.636	6.707	43,594	+0.03(+0.38%)
Aug 31, 2007	6.621	6.692	6.621	6.682	36,492	+0.08(+1.23%)
Aug 30, 2007	6.545	6.616	6.545	6.600	16,964	+0.04(+0.62%)
Aug 29, 2007	6.540	6.590	6.509	6.560	25,051	+0.03(+0.39%)
Aug 28, 2007	6.550	6.550	6.514	6.535	26,629	-0.02(-0.31%)
Aug 27, 2007	6.575	6.621	6.555	6.555	30,772	-0.04(-0.54%)
Aug 24, 2007	6.590	6.616	6.590	6.590	1,972	-0.03(-0.38%)
Aug 23, 2007	6.631	6.631	6.595	6.616	13,808	-0.01(-0.15%)
Aug 22, 2007	6.606	6.631	6.580	6.626	31,955	+0.01(+0.15%)
Aug 21, 2007	6.560	6.616	6.545	6.616	21,895	+0.03(+0.46%)
Aug 20, 2007	6.540	6.585	6.540	6.585	13,413	+0.05(+0.70%)
Aug 17, 2007	6.494	6.585	6.494	6.540	34,914	+0.07(+1.02%)
Aug 16, 2007	6.611	6.611	6.367	6.474	153,072	-0.14(-2.15%)
Aug 15, 2007	6.692	6.692	6.590	6.616	142,421	-0.08(-1.14%)
Aug 14, 2007	6.666	6.692	6.656	6.692	35,309	+0.00(+0.00%)
Aug 13, 2007	6.687	6.692	6.656	6.692	34,323	-0.01(-0.08%)
Aug 10, 2007	6.687	6.697	6.687	6.697	9,271	+0.01(+0.15%)
Aug 09, 2007	6.687	6.697	6.687	6.687	56,613	+0.00(+0.00%)
Aug 08, 2007	6.692	6.702	6.687	6.687	75,944	-0.01(-0.08%)
Aug 07, 2007	6.702	6.702	6.687	6.692	74,958	+0.00(+0.00%)
Aug 06, 2007	6.707	6.707	6.687	6.692	44,975	-0.01(-0.15%)
Aug 03, 2007	6.717	6.722	6.702	6.702	15,977	-0.02(-0.30%)
Aug 02, 2007	6.722	6.742	6.707	6.722	45,566	+0.00(+0.00%)