BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)
Jul 02, 2007	6.818	6.839	6.818	6.839	17,950	+0.00(+0.00%)
Jun 29, 2007	6.839	6.844	6.808	6.839	27,024	+0.06(+0.90%)
Jun 28, 2007	6.808	6.813	6.778	6.778	9,271	-0.03(-0.45%)
Jun 27, 2007	6.758	6.808	6.758	6.808	41,029	+0.04(+0.60%)
Jun 26, 2007	6.793	6.793	6.758	6.768	21,501	-0.04(-0.52%)
Jun 25, 2007	6.824	6.829	6.768	6.803	42,805	-0.01(-0.07%)
Jun 22, 2007	6.803	6.813	6.783	6.808	28,405	-0.00(-0.00%)
Jun 21, 2007	6.778	6.834	6.778	6.808	22,487	+0.01(+0.08%)
Jun 20, 2007	6.834	6.834	6.783	6.803	65,687	-0.00(-0.01%)
Jun 19, 2007	6.783	6.803	6.778	6.803	22,290	+0.04(+0.60%)
Jun 18, 2007	6.758	6.763	6.742	6.763	36,690	+0.05(+0.68%)
Jun 15, 2007	6.692	6.742	6.687	6.717	41,424	+0.03(+0.45%)
Jun 14, 2007	6.778	6.778	6.641	6.687	126,245	-0.09(-1.35%)
Jun 13, 2007	6.742	6.778	6.717	6.778	81,270	+0.03(+0.38%)
Jun 12, 2007	6.753	6.778	6.712	6.753	67,462	-0.03(-0.45%)
Jun 11, 2007	6.854	6.854	6.717	6.783	84,032	-0.06(-0.89%)
Jun 08, 2007	6.920	6.920	6.773	6.844	76,733	-0.08(-1.10%)
Jun 07, 2007	6.930	6.955	6.910	6.920	27,419	-0.05(-0.65%)
Jun 06, 2007	7.021	7.026	6.935	6.965	93,698	-0.06(-0.79%)
Jun 05, 2007	7.042	7.047	7.016	7.021	19,331	-0.01(-0.14%)
Jun 04, 2007	7.021	7.036	6.991	7.031	38,465	+0.01(+0.14%)