BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2007	6.342	6.565	6.337	6.438	121,750	+0.13(+2.01%)
Dec 28, 2007	6.261	6.332	6.251	6.311	133,672	+0.07(+1.06%)
Dec 27, 2007	6.215	6.276	6.185	6.246	216,984	+0.03(+0.41%)
Dec 26, 2007	6.276	6.276	6.215	6.220	112,634	-0.01(-0.08%)
Dec 24, 2007	6.215	6.241	6.200	6.225	134,925	+0.03(+0.41%)
Dec 21, 2007	6.200	6.220	6.195	6.200	113,423	+0.01(+0.08%)
Dec 20, 2007	6.241	6.261	6.195	6.195	110,859	-0.06(-0.97%)
Dec 19, 2007	6.256	6.261	6.220	6.256	119,538	+0.02(+0.24%)
Dec 18, 2007	6.276	6.276	6.235	6.241	53,259	-0.02(-0.24%)
Dec 17, 2007	6.251	6.266	6.251	6.256	82,257	+0.01(+0.08%)
Dec 14, 2007	6.281	6.337	6.251	6.251	117,566	-0.03(-0.48%)
Dec 13, 2007	6.362	6.382	6.276	6.281	68,054	-0.06(-0.88%)
Dec 12, 2007	6.367	6.413	6.337	6.337	48,525	-0.08(-1.19%)
Dec 11, 2007	6.382	6.428	6.382	6.413	72,985	+0.03(+0.48%)
Dec 10, 2007	6.382	6.413	6.342	6.382	98,826	+0.03(+0.40%)
Dec 07, 2007	6.357	6.403	6.347	6.357	61,347	+0.00(+0.00%)
Dec 06, 2007	6.423	6.423	6.337	6.357	121,117	-0.04(-0.63%)
Dec 05, 2007	6.382	6.408	6.367	6.398	70,618	+0.04(+0.64%)
Dec 04, 2007	6.362	6.418	6.342	6.357	68,448	-0.03(-0.48%)
Dec 03, 2007	6.347	6.398	6.317	6.388	129,401	+0.04(+0.56%)
Nov 30, 2007	6.296	6.362	6.296	6.352	79,100	+0.04(+0.56%)
Nov 29, 2007	6.291	6.322	6.291	6.317	36,887	+0.03(+0.48%)
Nov 28, 2007	6.271	6.296	6.256	6.286	29,786	+0.04(+0.65%)
Nov 27, 2007	6.276	6.276	6.241	6.246	55,627	-0.03(-0.40%)
Nov 26, 2007	6.256	6.296	6.256	6.271	56,416	+0.01(+0.16%)
Nov 23, 2007	6.220	6.261	6.215	6.261	30,180	+0.03(+0.49%)
Nov 21, 2007	6.190	6.230	6.159	6.230	49,117	+0.01(+0.16%)
Nov 20, 2007	6.170	6.246	6.159	6.220	53,457	+0.04(+0.57%)
Nov 19, 2007	6.164	6.185	6.028	6.185	126,640	+0.02(+0.33%)
Nov 16, 2007	6.170	6.185	6.139	6.164	67,857	-0.01(-0.08%)
Nov 15, 2007	6.200	6.251	6.170	6.170	51,681	-0.03(-0.49%)
Nov 14, 2007	6.266	6.266	6.144	6.200	108,689	-0.07(-1.05%)
Nov 13, 2007	6.311	6.311	6.266	6.266	28,010	-0.05(-0.72%)
Nov 12, 2007	6.317	6.322	6.311	6.311	5,325	-0.03(-0.40%)
Nov 09, 2007	6.372	6.372	6.296	6.337	69,632	-0.06(-0.87%)
Nov 08, 2007	6.377	6.393	6.362	6.393	34,520	+0.01(+0.16%)
Nov 07, 2007	6.377	6.398	6.367	6.382	83,243	-0.06(-0.94%)
Nov 06, 2007	6.443	6.524	6.433	6.443	30,575	-0.01(-0.16%)
Nov 05, 2007	6.484	6.484	6.428	6.453	24,065	-0.07(-1.01%)
Nov 02, 2007	6.514	6.535	6.494	6.519	21,895	+0.03(+0.47%)
Nov 01, 2007	6.519	6.519	6.489	6.489	56,810	-0.03(-0.47%)
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%)