Proto Labs Inc (NY: PRLB )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2012	31.00	31.49	30.92	31.46	257,498	+0.29(+0.93%)
Aug 30, 2012	31.63	31.84	30.82	31.17	258,039	-0.53(-1.67%)
Aug 29, 2012	31.89	32.11	31.52	31.70	246,354	+0.00(+0.00%)
Aug 27, 2012	32.71	32.71	31.50	31.70	224,217	-0.94(-2.88%)
Aug 24, 2012	31.40	32.88	31.40	32.64	609,941	+0.62(+1.94%)
Aug 23, 2012	31.69	33.07	31.02	32.02	706,195	-0.98(-2.97%)
Aug 22, 2012	32.08	33.01	32.00	33.00	673,632	-0.39(-1.17%)
Aug 21, 2012	34.00	34.88	33.04	33.39	102,028	-0.60(-1.77%)
Aug 20, 2012	36.00	36.92	33.45	33.99	160,320	-1.40(-3.96%)
Aug 17, 2012	36.16	36.25	35.23	35.39	90,914	-0.76(-2.10%)
Aug 16, 2012	35.40	37.29	35.40	36.15	100,716	+0.93(+2.64%)
Aug 15, 2012	33.91	35.34	33.65	35.22	32,020	+1.27(+3.74%)
Aug 14, 2012	35.24	35.39	33.69	33.95	71,713	-1.19(-3.39%)
Aug 13, 2012	34.62	35.95	33.61	35.14	49,662	+0.41(+1.18%)
Aug 10, 2012	35.63	36.40	33.47	34.73	98,139	-0.89(-2.50%)
Aug 09, 2012	36.55	36.55	34.50	35.62	118,614	-1.07(-2.92%)
Aug 08, 2012	37.14	37.22	36.13	36.69	45,455	-0.23(-0.62%)
Aug 07, 2012	37.56	37.69	36.30	36.92	47,487	-0.31(-0.83%)
Aug 06, 2012	37.91	38.99	36.66	37.23	81,952	-0.66(-1.74%)
Aug 03, 2012	37.90	39.23	37.31	37.89	51,771	+0.13(+0.34%)
Aug 02, 2012	38.87	38.87	36.53	37.76	63,572	-1.68(-4.26%)
Aug 01, 2012	38.00	41.10	37.33	39.44	208,932	+1.61(+4.26%)
Jul 31, 2012	36.02	38.82	36.02	37.83	95,938	+1.56(+4.30%)
Jul 30, 2012	37.26	37.74	36.10	36.27	78,787	-0.83(-2.24%)
Jul 27, 2012	36.00	37.36	34.25	37.10	67,765	+1.70(+4.80%)
Jul 26, 2012	33.57	35.40	33.57	35.40	93,090	+1.92(+5.73%)
Jul 25, 2012	32.31	33.85	32.00	33.48	165,922	+1.48(+4.62%)
Jul 24, 2012	33.90	33.90	30.13	32.00	643,047	-1.97(-5.80%)
Jul 23, 2012	34.75	35.00	33.68	33.97	153,378	-1.20(-3.41%)
Jul 20, 2012	37.53	38.00	35.11	35.17	61,853	-2.33(-6.21%)
Jul 19, 2012	38.02	38.13	37.44	37.50	71,827	-0.34(-0.90%)
Jul 18, 2012	37.74	38.18	36.41	37.84	173,569	+0.11(+0.29%)
Jul 17, 2012	34.14	38.52	34.11	37.73	189,589	+3.62(+10.61%)
Jul 16, 2012	33.96	34.52	33.59	34.11	52,246	+0.39(+1.16%)
Jul 13, 2012	34.25	34.50	33.70	33.72	157,369	-0.09(-0.27%)
Jul 12, 2012	32.15	34.23	31.86	33.81	263,537	+1.70(+5.29%)
Jul 11, 2012	30.61	32.17	30.54	32.11	486,574	+2.11(+7.03%)
Jul 10, 2012	30.26	31.04	29.50	30.00	256,854	+0.11(+0.37%)
Jul 09, 2012	30.17	30.46	29.32	29.89	164,883	-0.01(-0.03%)
Jul 06, 2012	30.51	30.51	28.98	29.90	179,411	-1.05(-3.39%)
Jul 05, 2012	32.98	32.98	30.81	30.95	234,539	-0.82(-2.58%)
Jul 03, 2012	30.17	32.00	30.17	31.77	229,295	+1.68(+5.58%)
Jul 02, 2012	28.76	30.48	28.76	30.09	209,556	+1.33(+4.62%)
Jun 29, 2012	30.94	31.97	28.22	28.76	273,908	-0.63(-2.14%)
Jun 28, 2012	30.93	31.25	28.64	29.39	257,861	-0.63(-2.10%)
Jun 27, 2012	30.41	31.54	29.95	30.02	194,088	-0.42(-1.38%)
Jun 26, 2012	32.36	32.36	29.93	30.44	302,201	-1.86(-5.76%)
Jun 25, 2012	33.81	33.99	31.75	32.30	203,903	-1.59(-4.69%)
Jun 22, 2012	35.97	35.97	32.98	33.89	487,612	-1.60(-4.51%)
Jun 21, 2012	38.20	38.70	34.95	35.49	350,112	-2.54(-6.68%)
Jun 20, 2012	36.01	38.95	35.94	38.03	295,838	+2.16(+6.02%)
Jun 19, 2012	36.00	36.28	35.28	35.87	58,403	-0.07(-0.19%)
Jun 18, 2012	35.82	36.07	35.69	35.94	46,922	+0.09(+0.25%)
Jun 15, 2012	35.76	36.25	35.52	35.85	62,434	+0.32(+0.90%)
Jun 14, 2012	35.70	35.84	35.21	35.53	75,943	+0.18(+0.51%)
Jun 13, 2012	34.42	36.22	34.16	35.35	85,723	+1.02(+2.97%)
Jun 12, 2012	34.31	34.57	34.00	34.33	62,853	+0.12(+0.35%)
Jun 11, 2012	34.47	34.47	34.02	34.21	42,393	-0.02(-0.06%)
Jun 08, 2012	34.78	35.09	33.98	34.23	92,427	-0.79(-2.26%)
Jun 07, 2012	36.26	36.63	34.56	35.02	76,182	-0.89(-2.48%)
Jun 06, 2012	35.92	36.60	35.45	35.91	108,277	+0.16(+0.45%)
Jun 05, 2012	36.33	37.00	35.65	35.75	104,830	-0.74(-2.03%)
Jun 04, 2012	35.13	36.98	35.13	36.49	245,091	+1.45(+4.14%)
Jun 01, 2012	36.09	36.09	34.20	35.04	72,703	-1.85(-5.01%)
May 31, 2012	35.61	37.44	35.44	36.89	134,555	+1.27(+3.57%)
May 30, 2012	34.08	35.81	33.62	35.62	62,685	+1.39(+4.06%)
May 29, 2012	34.53	34.66	33.94	34.23	31,205	-0.03(-0.09%)
May 25, 2012	33.36	34.36	33.36	34.26	52,956	+0.65(+1.93%)
May 24, 2012	32.03	33.64	31.98	33.61	53,365	+1.63(+5.10%)
May 23, 2012	31.64	32.11	31.19	31.98	23,456	+0.17(+0.53%)
May 22, 2012	31.42	31.96	31.40	31.81	32,467	+0.51(+1.63%)
May 21, 2012	31.47	31.60	31.25	31.30	31,429	+0.01(+0.03%)
May 18, 2012	30.99	31.54	30.99	31.29	52,155	+0.22(+0.71%)
May 17, 2012	30.97	31.71	30.80	31.07	73,742	+0.10(+0.32%)
May 16, 2012	30.99	31.39	29.75	30.97	100,599	+0.20(+0.65%)
May 15, 2012	31.89	31.99	29.90	30.77	83,578	-1.12(-3.51%)
May 14, 2012	31.81	32.14	31.22	31.89	66,894	-0.26(-0.81%)
May 11, 2012	31.78	32.57	31.74	32.15	78,073	+0.00(+0.00%)
May 10, 2012	29.70	33.21	29.70	32.15	142,444	+2.44(+8.21%)
May 09, 2012	29.17	30.23	28.96	29.71	63,035	+0.08(+0.27%)
May 08, 2012	30.54	30.54	29.10	29.63	112,041	-0.95(-3.11%)
May 07, 2012	30.30	30.58	28.85	30.58	120,716	+0.26(+0.86%)
May 04, 2012	28.78	31.13	28.04	30.32	89,168	+0.84(+2.85%)
May 03, 2012	33.00	33.00	24.90	29.48	1,430,296	-8.38(-22.13%)
May 02, 2012	38.57	38.89	37.57	37.86	57,133	-0.79(-2.04%)
May 01, 2012	36.83	39.08	36.83	38.65	80,553	+1.55(+4.18%)
Apr 30, 2012	36.42	37.10	36.07	37.10	65,562	+0.79(+2.18%)
Apr 27, 2012	35.06	36.57	34.82	36.31	41,773	+1.18(+3.36%)
Apr 26, 2012	33.85	35.89	33.59	35.13	96,592	+1.32(+3.90%)
Apr 25, 2012	33.55	33.92	33.09	33.81	28,541	+0.66(+1.99%)
Apr 24, 2012	32.98	33.15	32.69	33.15	23,690	+0.25(+0.76%)
Apr 23, 2012	32.84	33.00	32.28	32.90	18,813	-0.50(-1.50%)
Apr 20, 2012	32.20	34.07	31.53	33.40	59,612	+1.54(+4.83%)
Apr 19, 2012	30.59	33.27	30.59	31.86	142,618	+1.46(+4.80%)
Apr 18, 2012	30.29	30.60	29.73	30.40	35,632	-0.14(-0.46%)
Apr 17, 2012	30.41	30.80	30.02	30.54	105,642	+0.45(+1.50%)
Apr 16, 2012	31.02	31.02	28.61	30.09	118,331	-0.71(-2.31%)
Apr 13, 2012	31.84	32.08	30.78	30.80	92,650	-1.36(-4.23%)
Apr 12, 2012	32.91	32.91	31.00	32.16	96,906	-0.87(-2.63%)
Apr 11, 2012	34.09	34.09	32.33	33.03	51,867	-0.67(-1.99%)
Apr 10, 2012	33.97	34.88	33.48	33.70	83,403	-0.26(-0.77%)
Apr 09, 2012	32.97	34.72	32.74	33.96	62,429	+1.81(+5.63%)
Apr 05, 2012	31.64	32.44	31.42	32.15	25,749	+0.29(+0.91%)
Apr 04, 2012	34.99	34.99	31.60	31.86	213,870	-3.34(-9.49%)
Apr 03, 2012	35.11	35.45	34.50	35.20	44,863	+0.07(+0.20%)
Apr 02, 2012	33.73	35.61	32.90	35.13	76,257	+1.04(+3.05%)
Mar 30, 2012	34.04	34.80	33.35	34.09	392,275	+0.47(+1.40%)
Mar 29, 2012	32.68	34.12	32.29	33.62	71,434	+1.20(+3.70%)
Mar 28, 2012	32.45	33.05	31.00	32.42	66,722	+0.17(+0.53%)
Mar 27, 2012	33.45	34.00	32.01	32.25	38,505	-0.96(-2.89%)
Mar 26, 2012	32.74	33.84	32.71	33.21	27,562	+0.76(+2.34%)
Mar 23, 2012	32.29	32.91	32.00	32.45	11,489	+0.42(+1.31%)
Mar 22, 2012	31.77	32.74	31.77	32.03	18,145	+0.15(+0.47%)
Mar 21, 2012	32.73	34.00	31.69	31.88	51,675	-0.59(-1.82%)
Mar 20, 2012	33.50	33.50	32.01	32.47	35,580	-1.03(-3.07%)
Mar 19, 2012	34.22	35.71	32.95	33.50	46,719	-0.99(-2.87%)
Mar 16, 2012	34.45	35.93	34.45	34.49	131,342	+0.25(+0.73%)
Mar 15, 2012	33.20	35.33	33.20	34.24	186,011	+1.24(+3.76%)
Mar 14, 2012	32.06	33.46	31.43	33.00	75,110	+1.34(+4.23%)
Mar 13, 2012	31.95	32.49	30.96	31.66	25,964	-0.14(-0.44%)
Mar 12, 2012	31.41	31.80	31.33	31.80	27,083	+0.39(+1.24%)
Mar 09, 2012	30.77	31.92	30.17	31.41	48,466	+1.05(+3.46%)
Mar 08, 2012	28.53	30.57	28.50	30.36	59,430	+2.25(+8.00%)
Mar 07, 2012	28.50	29.75	28.00	28.11	34,548	+0.11(+0.39%)
Mar 06, 2012	27.50	28.79	27.00	28.00	95,941	+0.75(+2.75%)
Mar 05, 2012	28.50	28.50	27.16	27.25	29,660	-1.29(-4.52%)
Mar 02, 2012	30.23	30.94	28.36	28.54	63,506	-1.46(-4.87%)
Mar 01, 2012	31.19	31.19	29.40	30.00	84,375	-0.75(-2.44%)
Feb 29, 2012	29.00	31.70	29.00	30.75	116,669	+1.48(+5.06%)
Feb 28, 2012	28.48	29.28	27.90	29.27	100,181	+1.07(+3.79%)
Feb 27, 2012	29.00	30.25	27.11	28.20	368,873	-0.80(-2.76%)