Blackrock, Inc. Stock Price History | Historical BLK Company Stock Prices | Stock Market Summary (NSDQ, NYSE, AMEX and more) on Boston.com

Date	Open	High	Low	Close	Volume	Change (%)
May 21, 2013	290.60	293.31	288.94	291.69	737,423	+2.44(+0.84%)
May 20, 2013	289.10	291.83	287.06	289.25	551,989	-1.70(-0.58%)
May 17, 2013	287.10	291.21	286.70	290.95	567,006	+5.54(+1.94%)
May 16, 2013	288.44	290.83	284.76	285.41	607,621	-3.88(-1.34%)
May 15, 2013	283.98	289.41	283.00	289.29	695,321	+9.90(+3.54%)
May 13, 2013	275.76	281.00	275.42	279.39	465,981	+2.72(+0.98%)
May 10, 2013	276.24	277.46	275.21	276.67	555,852	+0.87(+0.32%)
May 09, 2013	274.73	278.82	272.43	275.80	891,604	-1.45(-0.52%)
May 08, 2013	275.35	277.37	268.03	277.25	495,520	+1.70(+0.62%)
May 07, 2013	274.54	275.82	272.41	275.55	431,737	+1.20(+0.44%)
May 06, 2013	271.55	275.21	270.24	274.35	659,314	+3.01(+1.11%)
May 03, 2013	265.68	271.60	265.14	271.34	835,396	+8.99(+3.43%)
May 02, 2013	261.69	263.41	260.98	262.35	670,708	+1.41(+0.54%)
May 01, 2013	265.38	266.50	260.69	260.94	793,306	-5.56(-2.09%)
Apr 30, 2013	268.46	269.81	265.78	266.50	950,547	-1.71(-0.64%)
Apr 29, 2013	264.16	268.74	263.32	268.21	608,006	+4.44(+1.68%)
Apr 26, 2013	262.61	264.62	262.20	263.77	481,149	+0.20(+0.08%)
Apr 25, 2013	259.87	264.33	259.26	263.57	755,865	+4.90(+1.89%)
Apr 24, 2013	259.94	260.73	257.67	258.67	574,399	-0.81(-0.31%)
Apr 23, 2013	252.50	259.97	251.94	259.48	985,624	+8.97(+3.58%)
Apr 22, 2013	251.24	251.58	247.38	250.51	605,540	+0.35(+0.14%)
Apr 19, 2013	246.46	250.46	246.12	250.16	737,419	+4.86(+1.98%)
Apr 18, 2013	251.01	251.18	243.58	245.30	1,012,457	-5.73(-2.28%)
Apr 17, 2013	254.55	255.43	249.02	251.03	864,552	-6.19(-2.41%)
Apr 16, 2013	257.77	257.90	251.48	257.22	1,039,833	+3.36(+1.32%)
Apr 15, 2013	260.00	262.46	253.78	253.86	939,654	-9.27(-3.52%)
Apr 12, 2013	262.95	264.98	262.10	263.13	422,062	-1.01(-0.38%)
Apr 11, 2013	261.35	265.57	261.35	264.14	735,726	+3.37(+1.29%)
Apr 10, 2013	255.43	260.78	254.96	260.77	657,298	+6.73(+2.65%)
Apr 09, 2013	251.91	255.56	249.72	254.04	760,301	+4.66(+1.87%)
Apr 08, 2013	245.72	249.41	244.10	249.38	470,278	+3.59(+1.46%)
Apr 05, 2013	247.23	248.00	241.04	245.79	1,332,520	-5.32(-2.12%)
Apr 04, 2013	248.22	251.15	247.60	251.11	806,887	+2.88(+1.16%)
Apr 03, 2013	257.83	258.00	247.34	248.23	882,527	-9.21(-3.58%)
Apr 02, 2013	253.41	257.88	253.21	257.44	644,169	+4.48(+1.77%)
Apr 01, 2013	256.50	256.85	252.47	252.96	389,573	-3.92(-1.53%)
Mar 28, 2013	257.36	258.65	255.26	256.88	547,640	+0.31(+0.12%)
Mar 27, 2013	257.20	257.60	254.88	256.57	349,838	-1.84(-0.71%)
Mar 26, 2013	252.80	258.68	252.04	258.41	635,899	+6.59(+2.62%)
Mar 25, 2013	255.00	257.33	251.44	251.82	853,246	-1.31(-0.52%)
Mar 22, 2013	253.52	254.52	252.12	253.13	692,884	+0.13(+0.05%)
Mar 21, 2013	256.28	259.19	252.81	253.00	1,039,975	-5.70(-2.20%)
Mar 20, 2013	255.25	259.57	255.25	258.70	755,049	+5.52(+2.18%)
Mar 19, 2013	255.08	256.36	250.69	253.18	565,299	-2.07(-0.81%)
Mar 18, 2013	254.11	256.53	253.43	255.25	449,234	-1.49(-0.58%)
Mar 15, 2013	255.07	256.80	254.26	256.74	982,698	+0.70(+0.27%)
Mar 14, 2013	254.89	257.77	254.11	256.04	967,366	+2.34(+0.92%)
Mar 13, 2013	250.34	254.00	249.50	253.70	776,708	+4.26(+1.71%)
Mar 12, 2013	248.08	250.29	247.71	249.44	1,014,268	+1.57(+0.63%)
Mar 11, 2013	248.27	248.44	246.28	247.87	565,160	-0.40(-0.16%)
Mar 08, 2013	250.10	251.02	247.44	248.27	582,146	-0.20(-0.08%)
Mar 07, 2013	250.45	251.70	248.28	248.47	769,440	-1.10(-0.44%)
Mar 06, 2013	245.77	250.00	245.77	249.57	1,117,735	+5.18(+2.12%)
Mar 05, 2013	242.24	244.61	238.29	244.39	1,033,384	+3.12(+1.29%)
Mar 04, 2013	236.23	241.38	236.00	241.27	688,723	+4.44(+1.87%)

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