Proto Labs Inc (NY: PRLB )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	50.66	51.19	49.53	51.08	434,268	+0.59(+1.17%)
Apr 29, 2013	49.93	51.75	49.45	50.49	600,603	+0.99(+2.00%)
Apr 26, 2013	47.61	49.80	47.43	49.50	551,248	+1.74(+3.64%)
Apr 25, 2013	48.17	49.09	44.75	47.76	1,608,703	-0.96(-1.97%)
Apr 24, 2013	48.79	49.46	47.94	48.72	504,752	+0.12(+0.25%)
Apr 23, 2013	46.94	48.90	46.79	48.60	513,808	+2.11(+4.54%)
Apr 22, 2013	45.84	46.75	43.67	46.49	698,583	+0.74(+1.62%)
Apr 19, 2013	44.79	47.06	44.42	45.75	490,589	+0.95(+2.12%)
Apr 18, 2013	47.11	47.37	43.99	44.80	792,335	-2.21(-4.70%)
Apr 17, 2013	47.65	47.89	45.61	47.01	888,841	-1.17(-2.43%)
Apr 16, 2013	47.02	48.60	44.60	48.18	841,389	+1.77(+3.81%)
Apr 15, 2013	50.00	50.05	45.82	46.41	1,162,784	-3.74(-7.46%)
Apr 12, 2013	51.90	52.21	48.38	50.15	1,039,676	-2.08(-3.98%)
Apr 11, 2013	53.93	55.23	51.19	52.23	1,609,268	+0.00(+0.00%)
Apr 10, 2013	47.30	52.49	47.30	52.23	1,378,056	+5.11(+10.84%)
Apr 09, 2013	46.69	47.47	46.47	47.12	214,074	+0.30(+0.64%)
Apr 08, 2013	45.93	47.00	45.24	46.82	197,724	+0.57(+1.23%)
Apr 05, 2013	45.77	46.44	43.61	46.25	491,092	-0.52(-1.11%)
Apr 04, 2013	46.75	47.03	46.32	46.77	204,725	-0.20(-0.43%)
Apr 03, 2013	48.91	48.91	46.42	46.97	330,871	-1.25(-2.59%)
Apr 02, 2013	48.01	49.00	47.76	48.22	292,038	+0.68(+1.43%)
Apr 01, 2013	49.49	49.60	46.40	47.54	602,577	-1.56(-3.18%)
Mar 28, 2013	49.60	49.60	48.00	49.10	369,125	-0.23(-0.47%)
Mar 27, 2013	47.54	49.68	46.57	49.33	608,030	+1.34(+2.79%)
Mar 26, 2013	46.33	48.08	46.26	47.99	538,382	+2.07(+4.51%)
Mar 25, 2013	47.18	47.26	45.67	45.92	720,533	-0.89(-1.90%)
Mar 22, 2013	47.44	48.57	46.71	46.81	433,555	-0.34(-0.72%)
Mar 21, 2013	45.80	47.45	45.51	47.15	237,673	+1.55(+3.40%)
Mar 20, 2013	45.64	46.41	45.35	45.60	544,647	+0.33(+0.73%)
Mar 19, 2013	47.15	47.25	45.04	45.27	581,331	-1.58(-3.37%)
Mar 18, 2013	46.38	47.24	46.00	46.85	256,042	-0.05(-0.11%)
Mar 15, 2013	48.66	48.87	46.05	46.90	394,669	-1.62(-3.34%)
Mar 14, 2013	49.28	49.49	48.46	48.52	169,982	-0.61(-1.24%)
Mar 13, 2013	47.89	49.49	47.85	49.13	262,697	+1.48(+3.11%)
Mar 12, 2013	48.36	48.92	47.53	47.65	236,793	-0.66(-1.37%)
Mar 11, 2013	48.23	48.76	47.79	48.31	178,536	+0.08(+0.17%)
Mar 08, 2013	48.52	49.23	48.12	48.23	174,862	+0.01(+0.02%)
Mar 07, 2013	48.25	48.75	47.60	48.22	175,134	-0.12(-0.25%)
Mar 06, 2013	48.46	48.50	47.06	48.34	345,389	+0.30(+0.62%)
Mar 05, 2013	46.63	48.78	46.33	48.04	758,830	+1.79(+3.87%)
Mar 04, 2013	47.07	47.80	45.81	46.25	522,239	-0.42(-0.90%)
Mar 01, 2013	46.12	47.28	43.50	46.67	568,800	+0.18(+0.39%)
Feb 28, 2013	46.57	46.80	46.01	46.49	427,905	+0.08(+0.17%)
Feb 27, 2013	45.46	46.60	45.03	46.41	525,444	+1.02(+2.25%)
Feb 26, 2013	44.84	45.55	43.11	45.39	366,245	-0.12(-0.26%)
Feb 22, 2013	44.23	45.51	44.08	45.51	810,075	-0.18(-0.39%)
Feb 21, 2013	46.04	46.20	44.68	45.69	413,576	-1.19(-2.54%)
Feb 20, 2013	49.01	49.25	46.50	46.88	356,131	-2.10(-4.29%)
Feb 19, 2013	47.24	49.08	47.19	48.98	654,082	+1.90(+4.04%)
Feb 15, 2013	48.16	48.42	46.02	47.08	957,192	-1.39(-2.87%)
Feb 14, 2013	52.50	52.52	48.45	48.47	1,360,268	-4.35(-8.24%)
Feb 13, 2013	46.70	53.91	46.70	52.82	3,147,217	+10.82(+25.76%)
Feb 12, 2013	41.87	43.70	41.59	42.00	795,312	+0.24(+0.57%)
Feb 11, 2013	41.24	42.30	41.08	41.76	270,162	+0.56(+1.36%)
Feb 08, 2013	39.75	41.99	39.64	41.20	228,237	+1.43(+3.60%)
Feb 07, 2013	40.09	40.81	39.73	39.77	180,799	-0.22(-0.55%)
Feb 06, 2013	40.73	41.21	39.97	39.99	244,375	-1.87(-4.47%)
Feb 04, 2013	41.72	41.93	41.39	41.86	201,200	-0.02(-0.05%)