BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)
Aug 01, 2007	6.717	6.732	6.702	6.722	36,098	+0.01(+0.15%)
Jul 31, 2007	6.646	6.727	6.646	6.712	51,484	+0.04(+0.53%)
Jul 30, 2007	6.692	6.697	6.646	6.676	59,177	-0.01(-0.08%)
Jul 27, 2007	6.661	6.682	6.641	6.682	14,202	+0.04(+0.61%)
Jul 26, 2007	6.621	6.687	6.616	6.641	66,870	+0.01(+0.15%)
Jul 25, 2007	6.626	6.646	6.621	6.631	55,035	+0.01(+0.15%)
Jul 24, 2007	6.626	6.641	6.621	6.621	54,838	-0.02(-0.31%)
Jul 23, 2007	6.626	6.651	6.621	6.641	118,947	+0.03(+0.38%)
Jul 20, 2007	6.580	6.631	6.570	6.616	46,553	+0.04(+0.54%)
Jul 19, 2007	6.585	6.590	6.560	6.580	59,966	-0.02(-0.31%)
Jul 18, 2007	6.616	6.631	6.595	6.600	52,470	-0.02(-0.31%)
Jul 17, 2007	6.661	6.676	6.621	6.621	34,717	-0.06(-0.84%)
Jul 16, 2007	6.697	6.697	6.651	6.676	46,750	-0.04(-0.53%)
Jul 13, 2007	6.747	6.758	6.687	6.712	35,703	-0.08(-1.19%)
Jul 12, 2007	6.839	6.839	6.793	6.793	12,230	-0.05(-0.74%)
Jul 11, 2007	6.849	6.874	6.829	6.844	15,977	-0.01(-0.15%)
Jul 10, 2007	6.849	6.859	6.824	6.854	14,005	+0.02(+0.30%)
Jul 09, 2007	6.813	6.834	6.778	6.834	12,821	+0.04(+0.60%)
Jul 06, 2007	6.768	6.803	6.742	6.793	34,520	-0.02(-0.22%)
Jul 05, 2007	6.813	6.834	6.803	6.808	15,386	-0.04(-0.52%)
Jul 03, 2007	6.839	6.864	6.808	6.844	50,498	+0.01(+0.07%)