Proto Labs Inc (NY: PRLB )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)