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%)