Natl Instruments Cor (NQ: NATI )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jun 30, 2009	22.35	22.75	22.34	22.56	334,559	+0.15(+0.67%)
Jun 29, 2009	22.62	22.71	22.15	22.41	213,774	-0.42(-1.84%)
Jun 26, 2009	22.21	22.83	22.14	22.83	437,049	+0.58(+2.61%)
Jun 25, 2009	22.15	22.29	21.90	22.25	450,972	+0.05(+0.23%)
Jun 24, 2009	22.39	22.55	22.09	22.20	395,720	-0.02(-0.09%)
Jun 23, 2009	22.51	22.59	22.22	22.22	325,071	-0.14(-0.63%)
Jun 22, 2009	23.06	23.06	22.34	22.36	423,004	-0.36(-1.58%)
Jun 19, 2009	22.94	23.15	22.67	22.72	332,495	-0.04(-0.18%)
Jun 18, 2009	23.06	23.06	22.63	22.76	256,374	-0.23(-1.00%)
Jun 17, 2009	22.83	23.12	22.68	22.99	277,530	+0.25(+1.10%)
Jun 16, 2009	23.31	23.54	22.70	22.74	357,387	-0.49(-2.11%)
Jun 15, 2009	23.05	23.31	22.90	23.23	557,351	-0.22(-0.94%)
Jun 12, 2009	22.93	23.49	22.56	23.45	402,120	+0.47(+2.05%)
Jun 11, 2009	23.50	23.72	22.97	22.98	436,443	-0.52(-2.21%)
Jun 10, 2009	23.15	23.62	22.96	23.50	1,345,317	-0.33(-1.38%)
Jun 09, 2009	23.42	23.89	23.42	23.83	424,640	+0.44(+1.88%)
Jun 08, 2009	23.31	23.55	23.05	23.39	295,171	+0.09(+0.39%)
Jun 05, 2009	23.29	23.50	23.12	23.30	259,559	+0.01(+0.04%)
Jun 04, 2009	22.66	23.30	22.58	23.29	556,495	+0.68(+3.01%)
Jun 03, 2009	22.86	22.97	22.38	22.61	398,428	-0.49(-2.12%)
Jun 02, 2009	22.48	23.17	22.36	23.10	473,168	+0.44(+1.94%)
Jun 01, 2009	21.35	22.70	21.25	22.66	718,257	+1.45(+6.84%)
May 29, 2009	20.92	21.22	20.63	21.21	457,481	+0.41(+1.97%)
May 28, 2009	20.86	20.91	20.42	20.80	364,210	+0.14(+0.68%)
May 27, 2009	20.91	21.08	20.54	20.66	322,766	-0.36(-1.71%)
May 26, 2009	20.35	21.02	20.00	21.02	302,537	+0.59(+2.89%)
May 22, 2009	21.01	21.01	20.41	20.43	212,542	-0.38(-1.83%)
May 21, 2009	21.07	21.36	20.60	20.81	231,923	-0.35(-1.65%)
May 20, 2009	21.12	21.72	20.97	21.16	321,317	+0.12(+0.57%)
May 19, 2009	20.72	21.26	20.72	21.04	322,165	+0.04(+0.19%)
May 18, 2009	20.22	21.00	20.13	21.00	426,757	+0.93(+4.63%)
May 15, 2009	20.81	20.81	20.00	20.07	1,016,068	-0.83(-3.97%)
May 14, 2009	20.75	21.12	20.75	20.90	305,490	+0.14(+0.67%)
May 13, 2009	21.23	21.57	20.71	20.76	434,526	-0.76(-3.53%)
May 12, 2009	21.79	21.79	21.29	21.52	285,506	-0.10(-0.46%)
May 11, 2009	21.36	21.85	21.32	21.62	327,585	-0.09(-0.41%)
May 08, 2009	21.74	22.00	21.49	21.71	306,537	+0.11(+0.51%)
May 07, 2009	22.15	22.15	21.35	21.60	484,235	-0.47(-2.13%)
May 06, 2009	22.10	22.13	21.70	22.07	370,025	+0.07(+0.32%)
May 05, 2009	21.91	22.15	21.82	22.00	443,063	-0.15(-0.68%)
May 04, 2009	22.09	22.34	21.75	22.15	363,539	+0.20(+0.91%)
May 01, 2009	20.59	22.00	20.59	21.95	793,341	-0.09(-0.41%)
Apr 30, 2009	21.66	22.12	21.62	22.04	467,856	+0.15(+0.69%)
Apr 29, 2009	21.48	22.25	20.72	21.89	791,225	-0.21(-0.95%)
Apr 28, 2009	21.66	22.43	21.16	22.10	352,538	+0.32(+1.47%)
Apr 27, 2009	21.49	22.10	21.43	21.78	288,263	+0.07(+0.32%)
Apr 24, 2009	21.22	21.86	20.96	21.71	257,653	+0.67(+3.18%)
Apr 23, 2009	21.43	21.43	20.71	21.04	235,304	-0.30(-1.41%)
Apr 22, 2009	20.71	21.71	20.61	21.34	264,672	+0.43(+2.06%)
Apr 21, 2009	20.80	21.35	20.55	20.91	307,712	+0.11(+0.53%)
Apr 20, 2009	21.00	21.40	20.66	20.80	196,591	-0.66(-3.08%)
Apr 17, 2009	21.24	21.52	21.14	21.46	159,445	+0.26(+1.23%)
Apr 16, 2009	20.41	21.26	20.31	21.20	290,268	+0.89(+4.38%)
Apr 15, 2009	20.07	20.57	19.97	20.31	170,168	+0.04(+0.20%)
Apr 14, 2009	19.73	20.34	19.73	20.27	239,142	+0.31(+1.55%)
Apr 13, 2009	19.90	20.21	19.66	19.96	171,544	-0.06(-0.30%)
Apr 09, 2009	19.47	20.02	19.45	20.02	184,977	+0.72(+3.73%)
Apr 08, 2009	18.92	19.30	18.92	19.30	229,848	+0.39(+2.06%)
Apr 07, 2009	19.37	19.37	18.77	18.91	200,342	-0.65(-3.32%)
Apr 06, 2009	19.72	19.94	19.24	19.56	185,161	-0.38(-1.91%)
Apr 03, 2009	19.45	19.97	19.34	19.94	260,448	+0.43(+2.20%)
Apr 02, 2009	18.88	19.90	18.88	19.51	232,983	+0.82(+4.39%)