Natl Instruments Cor (NQ: NATI )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	20.98	21.22	20.77	21.21	937,982	+0.18(+0.85%)
Apr 29, 2013	20.95	21.10	20.46	21.03	1,034,881	+0.07(+0.33%)
Apr 26, 2013	17.82	21.25	20.78	20.96	3,255,050	-2.66(-11.27%)
Apr 25, 2013	23.57	23.84	23.30	23.63	0	+0.10(+0.43%)
Apr 24, 2013	23.47	23.63	23.30	23.53	0	+0.11(+0.46%)
Apr 23, 2013	23.16	23.53	23.14	23.42	363,374	+0.46(+1.99%)
Apr 22, 2013	23.08	23.08	22.77	22.96	332,013	-0.08(-0.34%)
Apr 19, 2013	23.25	23.39	22.90	23.04	468,726	-0.09(-0.40%)
Apr 18, 2013	23.34	23.64	23.07	23.13	451,588	-0.19(-0.80%)
Apr 17, 2013	23.46	23.60	23.24	23.32	329,203	-0.29(-1.25%)
Apr 16, 2013	23.56	23.63	23.27	23.61	397,660	+0.32(+1.37%)
Apr 15, 2013	23.94	23.94	23.25	23.29	417,954	-0.73(-3.04%)
Apr 12, 2013	24.01	24.13	23.70	24.02	249,796	-0.11(-0.45%)
Apr 11, 2013	24.15	24.15	23.90	24.13	263,635	-0.02(-0.06%)
Apr 10, 2013	23.76	24.22	23.62	24.15	544,549	+0.42(+1.77%)
Apr 09, 2013	23.80	23.92	23.58	23.73	663,124	+0.05(+0.23%)
Apr 08, 2013	23.87	23.87	23.52	23.67	421,357	-0.18(-0.75%)
Apr 05, 2013	23.77	23.98	23.38	23.85	417,307	-0.34(-1.41%)
Apr 04, 2013	24.27	24.32	24.09	24.19	282,317	+0.07(+0.29%)
Apr 03, 2013	24.68	24.82	24.08	24.12	574,502	-0.55(-2.23%)
Apr 02, 2013	24.88	25.11	24.55	24.67	423,359	-0.14(-0.56%)