Proto Labs Inc (NY: PRLB )

Historical Prices

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