Proto Labs Inc (NY: PRLB )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2016	59.53	60.16	59.09	59.91	378,681	+0.65(+1.10%)
Sep 29, 2016	59.17	59.86	58.80	59.26	371,804	-0.08(-0.13%)
Sep 28, 2016	58.19	59.84	57.90	59.34	322,509	+1.49(+2.58%)
Sep 27, 2016	57.06	58.26	56.18	57.85	162,793	+0.79(+1.38%)
Sep 26, 2016	56.83	57.46	56.41	57.06	188,579	-0.40(-0.70%)
Sep 23, 2016	56.89	57.79	56.81	57.46	182,009	+0.35(+0.61%)
Sep 22, 2016	56.81	57.14	56.07	57.11	131,718	+1.04(+1.85%)
Sep 21, 2016	56.89	57.13	55.21	56.07	365,657	-0.24(-0.43%)
Sep 20, 2016	56.46	57.02	55.65	56.31	196,858	-0.02(-0.04%)
Sep 19, 2016	55.00	56.55	54.86	56.33	242,336	+1.80(+3.30%)
Sep 16, 2016	55.18	55.18	53.99	54.53	641,170	-0.88(-1.59%)
Sep 15, 2016	54.18	55.55	54.18	55.41	150,819	+1.11(+2.04%)
Sep 14, 2016	53.88	54.56	53.38	54.30	133,510	+0.59(+1.10%)
Sep 13, 2016	53.39	53.99	53.37	53.71	248,678	-0.07(-0.13%)
Sep 12, 2016	52.73	53.83	52.04	53.78	287,855	+0.94(+1.78%)
Sep 09, 2016	54.85	54.98	52.81	52.84	269,084	-2.38(-4.31%)
Sep 08, 2016	55.78	55.94	54.77	55.22	285,122	-0.62(-1.11%)
Sep 07, 2016	55.75	56.82	55.14	55.84	232,658	+1.13(+2.07%)
Sep 06, 2016	55.32	55.82	54.19	54.71	196,414	-0.58(-1.05%)
Sep 02, 2016	54.07	55.29	55.29	55.29	226,500	+1.72(+3.21%)
Sep 01, 2016	55.00	55.00	52.82	53.57	299,066	-1.15(-2.10%)
Aug 31, 2016	57.20	57.50	54.48	54.72	924,628	-4.74(-7.97%)
Aug 30, 2016	59.24	59.64	58.85	59.46	168,861	-0.18(-0.30%)
Aug 29, 2016	58.82	59.80	58.52	59.64	163,686	+0.88(+1.50%)
Aug 26, 2016	58.89	59.54	58.43	58.76	116,842	-0.11(-0.19%)
Aug 25, 2016	59.08	59.80	58.33	58.87	203,210	-0.54(-0.91%)
Aug 24, 2016	58.92	60.97	58.92	59.41	450,405	+0.44(+0.75%)
Aug 23, 2016	58.14	59.26	58.06	58.97	121,970	+1.07(+1.85%)
Aug 22, 2016	57.61	58.18	57.00	57.90	147,600	-0.01(-0.02%)
Aug 19, 2016	58.08	58.50	57.74	57.91	173,197	-0.35(-0.60%)
Aug 18, 2016	58.53	59.01	58.18	58.26	280,242	-0.39(-0.66%)
Aug 17, 2016	58.87	59.46	58.49	58.65	249,427	-0.42(-0.71%)
Aug 16, 2016	59.85	59.92	58.95	59.07	229,860	-0.74(-1.24%)
Aug 15, 2016	59.34	60.15	59.10	59.81	193,118	+0.40(+0.67%)
Aug 12, 2016	58.75	59.55	58.70	59.41	159,080	+0.50(+0.85%)
Aug 11, 2016	58.30	58.99	57.94	58.91	207,723	+0.83(+1.43%)
Aug 10, 2016	58.21	58.68	57.76	58.08	199,313	-0.13(-0.22%)
Aug 09, 2016	57.82	58.44	57.65	58.21	228,806	+0.53(+0.92%)
Aug 08, 2016	56.92	58.00	56.40	57.68	204,901	+0.88(+1.55%)
Aug 05, 2016	55.99	57.19	55.66	56.80	266,289	+0.98(+1.76%)
Aug 04, 2016	55.33	56.73	55.15	55.82	182,123	+0.45(+0.81%)
Aug 03, 2016	54.73	55.57	54.35	55.37	212,288	+0.87(+1.60%)
Aug 02, 2016	55.70	56.07	54.19	54.50	304,700	-1.18(-2.12%)
Aug 01, 2016	54.99	58.15	54.99	55.68	602,900	+0.64(+1.16%)
Jul 29, 2016	52.78	55.30	52.78	55.04	947,749	+1.75(+3.28%)
Jul 28, 2016	52.56	56.62	50.50	53.29	2,657,121	-8.04(-13.11%)
Jul 27, 2016	60.53	61.46	60.53	61.33	291,781	+0.68(+1.12%)
Jul 26, 2016	59.70	60.67	59.54	60.65	273,663	+0.97(+1.63%)
Jul 25, 2016	59.48	60.11	59.16	59.68	405,169	+0.20(+0.34%)
Jul 22, 2016	58.77	60.02	58.63	59.48	180,346	+0.66(+1.12%)
Jul 21, 2016	59.48	59.88	58.68	58.82	191,916	-0.54(-0.91%)
Jul 20, 2016	58.38	59.79	58.00	59.36	517,052	+0.93(+1.59%)
Jul 19, 2016	60.56	60.61	57.80	58.43	399,316	-2.02(-3.34%)
Jul 18, 2016	60.50	60.82	59.78	60.45	132,879	-0.05(-0.08%)
Jul 15, 2016	60.57	60.80	59.93	60.50	216,079	+0.28(+0.46%)
Jul 14, 2016	61.21	61.62	60.15	60.22	233,445	-0.44(-0.73%)
Jul 13, 2016	60.96	61.60	60.30	60.66	158,031	-0.04(-0.07%)
Jul 12, 2016	60.52	61.34	60.13	60.70	206,569	+0.91(+1.52%)
Jul 11, 2016	59.59	60.59	59.54	59.79	211,548	+0.51(+0.86%)
Jul 08, 2016	58.21	59.40	57.50	59.28	302,537	+1.78(+3.10%)
Jul 07, 2016	56.29	58.10	56.29	57.50	477,031	+1.40(+2.50%)
Jul 06, 2016	56.09	57.08	55.57	56.10	306,162	-0.21(-0.37%)
Jul 05, 2016	56.98	57.06	55.84	56.31	183,763	-0.92(-1.61%)