BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2008	4.816	4.816	4.725	4.791	77,522	-0.03(-0.63%)
Oct 30, 2008	4.897	4.912	4.821	4.821	47,426	-0.08(-1.65%)
Oct 29, 2008	4.917	4.943	4.902	4.902	76,534	-0.03(-0.51%)
Oct 28, 2008	5.019	5.069	4.902	4.928	128,729	+0.03(+0.52%)
Oct 27, 2008	4.826	4.948	4.816	4.902	49,539	+0.04(+0.73%)
Oct 24, 2008	5.323	5.323	4.740	4.867	126,713	-0.01(-0.10%)
Oct 23, 2008	4.765	4.928	4.765	4.872	55,644	+0.13(+2.67%)
Oct 22, 2008	4.623	4.816	4.623	4.745	51,376	+0.11(+2.30%)
Oct 21, 2008	4.563	4.659	4.537	4.639	80,027	+0.08(+1.67%)
Oct 20, 2008	4.461	4.598	4.461	4.563	52,175	+0.09(+1.93%)
Oct 17, 2008	4.319	4.476	4.319	4.476	39,988	+0.17(+4.00%)
Oct 16, 2008	4.410	4.410	4.243	4.304	38,120	-0.08(-1.85%)
Oct 15, 2008	4.547	4.547	4.334	4.385	51,427	-0.16(-3.57%)
Oct 14, 2008	4.147	4.715	4.147	4.547	84,130	+0.43(+10.47%)
Oct 13, 2008	3.706	4.121	3.706	4.116	85,957	+0.41(+11.08%)
Oct 10, 2008	4.081	4.332	3.179	3.706	108,474	-0.64(-14.80%)
Oct 09, 2008	4.542	4.547	4.350	4.350	55,035	-0.12(-2.61%)
Oct 08, 2008	4.816	4.816	4.258	4.466	79,085	-0.45(-9.18%)
Oct 07, 2008	5.171	5.171	4.897	4.917	51,080	-0.07(-1.42%)
Oct 06, 2008	5.196	5.262	4.963	4.988	102,391	-0.22(-4.19%)
Oct 03, 2008	5.247	5.348	4.998	5.206	69,573	-0.05(-0.87%)
Oct 02, 2008	5.206	5.293	5.161	5.252	80,089	+0.05(+0.97%)
Oct 01, 2008	4.968	5.262	4.968	5.201	48,592	+0.14(+2.70%)
Sep 30, 2008	4.902	5.313	4.872	5.064	98,627	+0.20(+4.17%)
Sep 29, 2008	5.171	5.211	4.816	4.862	83,663	-0.39(-7.43%)
Sep 26, 2008	5.379	5.379	5.201	5.252	0	-0.13(-2.45%)
Sep 25, 2008	5.424	5.434	5.272	5.384	76,931	-0.03(-0.56%)
Sep 24, 2008	5.505	5.505	5.374	5.414	31,955	+0.01(+0.19%)
Sep 23, 2008	5.521	5.526	5.227	5.404	80,057	-0.11(-2.02%)
Sep 22, 2008	5.729	5.769	5.424	5.516	65,691	-0.17(-2.94%)
Sep 19, 2008	5.607	5.713	5.607	5.683	0	+0.10(+1.82%)
Sep 18, 2008	5.906	5.910	5.480	5.581	115,426	-0.17(-2.96%)
Sep 17, 2008	5.926	5.926	5.739	5.752	49,373	-0.21(-3.44%)
Sep 16, 2008	5.962	5.967	5.957	5.957	24,805	-0.03(-0.42%)
Sep 15, 2008	6.033	6.043	5.977	5.982	19,134	-0.07(-1.09%)
Sep 12, 2008	6.068	6.068	6.038	6.048	43,988	-0.02(-0.33%)
Sep 11, 2008	6.129	6.129	6.063	6.068	32,372	-0.07(-1.07%)
Sep 10, 2008	6.119	6.139	6.104	6.134	23,982	-0.01(-0.08%)
Sep 09, 2008	6.114	6.139	6.094	6.139	11,835	+0.01(+0.08%)
Sep 08, 2008	6.094	6.134	6.094	6.134	13,879	+0.03(+0.50%)
Sep 05, 2008	6.078	6.119	6.078	6.104	0	+0.00(+0.00%)
Sep 04, 2008	6.073	6.104	6.068	6.104	20,712	+0.03(+0.42%)
Sep 03, 2008	6.048	6.078	6.048	6.078	16,976	+0.02(+0.25%)
Sep 02, 2008	6.043	6.063	6.033	6.063	10,730	+0.02(+0.34%)
Aug 29, 2008	6.053	6.053	6.012	6.043	9,793	-0.01(-0.17%)
Aug 28, 2008	6.017	6.063	6.012	6.053	22,645	+0.00(+0.00%)
Aug 27, 2008	6.033	6.073	6.033	6.053	10,058	-0.03(-0.42%)
Aug 26, 2008	6.002	6.170	5.997	6.078	48,653	+0.08(+1.27%)
Aug 25, 2008	6.007	6.043	6.002	6.002	9,123	-0.03(-0.42%)
Aug 22, 2008	6.012	6.028	6.007	6.028	14,285	-0.01(-0.17%)
Aug 21, 2008	5.992	6.078	5.992	6.038	28,799	+0.04(+0.68%)
Aug 20, 2008	6.023	6.028	5.987	5.997	119,337	-0.02(-0.25%)
Aug 19, 2008	6.002	6.033	6.002	6.012	135,658	+0.01(+0.17%)
Aug 18, 2008	6.012	6.017	5.992	6.002	49,512	+0.00(+0.00%)
Aug 15, 2008	6.007	6.017	5.997	6.002	0	-0.01(-0.08%)
Aug 14, 2008	6.007	6.012	6.007	6.007	18,936	+0.00(+0.00%)
Aug 13, 2008	5.992	6.053	5.992	6.007	42,213	-0.02(-0.25%)
Aug 12, 2008	6.017	6.033	6.017	6.023	16,029	+0.00(+0.00%)
Aug 11, 2008	6.043	6.088	6.023	6.023	39,126	-0.03(-0.42%)
Aug 08, 2008	6.012	6.205	6.002	6.048	27,282	+0.04(+0.68%)
Aug 07, 2008	6.007	6.017	5.982	6.007	62,722	-0.02(-0.25%)
Aug 06, 2008	6.033	6.038	6.012	6.023	16,512	-0.02(-0.34%)
Aug 05, 2008	6.012	6.043	5.987	6.043	79,495	+0.03(+0.42%)
Aug 04, 2008	6.033	6.033	5.982	6.017	86,290	-0.02(-0.40%)