Gibraltar Ind Inc (NQ: ROCK )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	19.00	19.01	18.58	18.70	0	-0.28(-1.48%)
Apr 29, 2013	18.90	19.12	18.83	18.98	51,843	+0.18(+0.96%)
Apr 26, 2013	18.97	18.97	18.73	18.80	172,808	-0.25(-1.31%)
Apr 25, 2013	18.66	19.29	18.65	19.05	95,701	+0.52(+2.81%)
Apr 24, 2013	18.10	18.64	18.10	18.53	128,591	+0.47(+2.60%)
Apr 23, 2013	17.70	18.07	17.58	18.06	92,727	+0.56(+3.20%)
Apr 22, 2013	17.36	17.50	16.84	17.50	198,673	+0.10(+0.57%)
Apr 19, 2013	17.25	17.42	17.14	17.40	93,604	+0.19(+1.10%)
Apr 18, 2013	16.88	17.31	16.70	17.21	181,820	+0.34(+2.02%)
Apr 17, 2013	17.00	17.04	16.50	16.87	255,208	-0.32(-1.86%)
Apr 16, 2013	16.87	17.26	16.60	17.19	179,681	+0.51(+3.06%)
Apr 15, 2013	18.08	18.08	16.54	16.68	165,785	-1.42(-7.85%)
Apr 12, 2013	18.12	18.16	17.99	18.10	72,855	-0.04(-0.22%)
Apr 11, 2013	18.26	18.32	18.04	18.14	85,896	-0.16(-0.87%)
Apr 10, 2013	18.18	18.45	18.02	18.30	142,873	+0.25(+1.39%)
Apr 09, 2013	18.32	18.46	18.05	18.05	123,700	-0.22(-1.20%)
Apr 08, 2013	18.21	18.33	17.94	18.27	129,220	+0.06(+0.33%)
Apr 05, 2013	17.71	18.34	17.65	18.21	146,447	+0.09(+0.50%)
Apr 04, 2013	17.79	18.36	17.79	18.12	151,460	+0.31(+1.74%)
Apr 03, 2013	18.20	18.20	17.59	17.81	156,924	-0.29(-1.60%)
Apr 02, 2013	18.31	18.48	17.97	18.10	142,723	-0.07(-0.39%)
Apr 01, 2013	18.27	18.40	17.80	18.17	159,839	-0.08(-0.44%)
Mar 28, 2013	18.44	18.44	18.00	18.25	158,101	-0.09(-0.49%)
Mar 27, 2013	18.45	18.67	18.07	18.34	135,901	-0.36(-1.93%)
Mar 26, 2013	18.25	18.71	18.22	18.70	187,238	+0.65(+3.60%)
Mar 25, 2013	18.23	18.50	17.96	18.05	173,124	-0.03(-0.17%)
Mar 22, 2013	18.00	18.14	17.90	18.08	150,372	+0.14(+0.78%)
Mar 21, 2013	18.17	18.35	17.83	17.94	116,831	-0.34(-1.86%)
Mar 20, 2013	18.37	18.50	18.12	18.28	143,592	+0.13(+0.72%)
Mar 19, 2013	18.45	18.50	18.01	18.15	114,914	-0.20(-1.09%)
Mar 18, 2013	18.05	18.50	18.05	18.35	104,887	+0.05(+0.27%)
Mar 15, 2013	18.25	18.54	18.15	18.30	282,263	+0.06(+0.33%)
Mar 14, 2013	17.95	18.32	17.92	18.24	109,522	+0.37(+2.07%)
Mar 13, 2013	17.68	17.92	17.34	17.87	106,258	+0.26(+1.48%)
Mar 12, 2013	17.91	18.07	17.60	17.61	107,032	-0.31(-1.73%)
Mar 11, 2013	17.44	17.95	17.44	17.92	110,575	+0.44(+2.52%)
Mar 08, 2013	17.52	17.55	17.20	17.48	145,928	+0.20(+1.16%)
Mar 07, 2013	17.08	17.29	16.90	17.28	99,351	+0.15(+0.88%)
Mar 06, 2013	17.03	17.21	16.94	17.13	153,877	+0.24(+1.42%)
Mar 05, 2013	17.18	17.22	16.75	16.89	131,884	-0.09(-0.53%)
Mar 04, 2013	17.00	17.09	16.80	16.98	145,365	-0.02(-0.12%)
Mar 01, 2013	17.00	17.20	16.82	17.00	182,762	-0.15(-0.87%)
Feb 28, 2013	17.24	17.60	17.02	17.15	267,413	-0.79(-4.40%)
Feb 27, 2013	17.61	18.20	17.61	17.94	207,310	+0.36(+2.05%)
Feb 26, 2013	17.82	17.90	17.11	17.58	583,931	-0.17(-0.96%)
Feb 25, 2013	19.09	19.64	17.59	17.75	282,431	-0.36(-1.99%)
Feb 22, 2013	19.73	20.00	17.81	18.11	186,911	+1.10(+6.47%)
Feb 21, 2013	17.02	17.27	16.65	17.01	150,574	+0.06(+0.35%)
Feb 20, 2013	17.80	17.82	16.93	16.95	119,659	-0.93(-5.20%)
Feb 19, 2013	18.03	18.17	17.73	17.88	58,411	-0.05(-0.28%)
Feb 15, 2013	17.67	18.34	17.60	17.93	146,196	+0.41(+2.34%)
Feb 14, 2013	17.23	17.53	17.23	17.52	57,166	+0.18(+1.04%)
Feb 13, 2013	17.34	17.56	17.18	17.34	108,004	+0.09(+0.52%)
Feb 12, 2013	17.13	17.64	17.06	17.25	91,803	+0.14(+0.82%)
Feb 11, 2013	17.09	17.19	16.93	17.11	30,221	+0.01(+0.06%)
Feb 08, 2013	17.22	17.22	16.80	17.10	47,657	-0.07(-0.41%)
Feb 07, 2013	17.16	17.21	16.89	17.17	94,437	-0.04(-0.26%)
Feb 06, 2013	17.13	17.47	17.06	17.21	55,168	-0.09(-0.49%)
Feb 04, 2013	17.59	17.70	17.14	17.30	61,653	-0.47(-2.64%)