O S I Systems Inc (NQ: OSIS )

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	64.00	64.14	62.57	63.82	101,970	+0.12(+0.19%)
May 30, 2012	64.21	64.35	63.62	63.70	82,145	-0.94(-1.45%)
May 29, 2012	65.49	65.80	63.20	64.64	118,865	-0.61(-0.93%)
May 25, 2012	64.57	65.76	64.31	65.25	51,284	+0.61(+0.94%)
May 24, 2012	64.77	64.98	63.79	64.64	61,750	-0.34(-0.52%)
May 23, 2012	64.94	65.34	63.46	64.98	87,519	-0.79(-1.20%)
May 22, 2012	64.22	66.44	64.21	65.77	126,094	+1.48(+2.30%)
May 21, 2012	63.61	64.41	62.70	64.29	110,364	+0.92(+1.45%)
May 18, 2012	65.04	65.25	63.10	63.37	123,727	-1.69(-2.60%)
May 17, 2012	66.57	66.62	64.98	65.06	114,269	-1.60(-2.40%)
May 16, 2012	66.95	67.43	66.47	66.66	79,617	+0.21(+0.32%)
May 15, 2012	65.77	67.00	65.34	66.45	63,738	+0.99(+1.51%)
May 14, 2012	65.13	66.15	64.85	65.46	92,347	-0.20(-0.30%)
May 11, 2012	65.91	66.16	65.13	65.66	79,839	+0.16(+0.24%)
May 10, 2012	65.54	66.14	64.89	65.50	32,665	+0.35(+0.54%)
May 09, 2012	64.29	66.00	64.08	65.15	72,713	+0.16(+0.24%)
May 08, 2012	65.27	65.70	64.28	65.00	110,125	-0.77(-1.18%)
May 07, 2012	65.51	66.07	64.07	65.77	100,286	+0.25(+0.38%)
May 04, 2012	66.11	66.29	65.47	65.52	101,877	-1.21(-1.81%)
May 03, 2012	66.81	67.53	65.47	66.73	79,253	-0.23(-0.34%)
May 02, 2012	67.64	67.64	65.88	66.96	77,965	+0.37(+0.56%)
May 01, 2012	67.10	67.89	66.28	66.59	132,165	-0.27(-0.40%)
Apr 30, 2012	67.48	67.65	66.61	66.86	98,388	-1.06(-1.56%)
Apr 27, 2012	65.33	68.00	65.26	67.92	210,445	+3.01(+4.64%)
Apr 26, 2012	62.64	65.33	62.64	64.91	277,819	+1.92(+3.05%)
Apr 25, 2012	62.54	63.46	62.54	62.99	132,226	+1.52(+2.47%)
Apr 24, 2012	62.31	64.89	61.19	61.47	209,416	-0.21(-0.34%)
Apr 23, 2012	60.44	61.95	60.06	61.68	117,623	+0.15(+0.24%)
Apr 20, 2012	62.70	62.70	61.33	61.53	73,252	+0.48(+0.79%)
Apr 19, 2012	62.16	62.51	60.37	61.05	76,997	-1.19(-1.91%)
Apr 18, 2012	61.70	62.38	60.63	62.24	68,285	+0.37(+0.60%)
Apr 17, 2012	61.46	62.83	61.25	61.87	99,141	+1.07(+1.76%)
Apr 16, 2012	60.55	61.00	59.67	60.80	90,473	+0.48(+0.80%)
Apr 13, 2012	59.81	60.53	59.59	60.32	79,814	+0.06(+0.10%)
Apr 12, 2012	59.38	60.91	58.52	60.26	143,086	+1.01(+1.70%)
Apr 11, 2012	57.76	59.50	57.51	59.25	143,747	+2.06(+3.60%)
Apr 10, 2012	59.67	59.67	57.00	57.19	187,963	-2.38(-4.00%)
Apr 09, 2012	59.10	60.34	59.04	59.57	85,174	-0.70(-1.16%)
Apr 05, 2012	59.11	60.66	59.11	60.27	71,723	+0.68(+1.14%)
Apr 04, 2012	60.36	60.48	59.05	59.59	81,924	-1.65(-2.69%)
Apr 03, 2012	61.79	62.39	60.54	61.24	137,094	-0.42(-0.68%)
Apr 02, 2012	61.26	62.61	60.80	61.66	88,698	+0.36(+0.59%)
Mar 30, 2012	62.41	62.41	61.30	61.30	100,340	-0.53(-0.86%)
Mar 29, 2012	61.26	62.16	60.00	61.83	109,983	+0.03(+0.05%)
Mar 28, 2012	62.26	62.55	60.57	61.80	122,377	-0.55(-0.88%)
Mar 27, 2012	63.32	63.40	61.46	62.35	119,544	-0.79(-1.25%)
Mar 26, 2012	62.36	64.08	62.19	63.14	191,680	+1.22(+1.97%)
Mar 23, 2012	61.07	61.92	60.70	61.92	70,287	+0.72(+1.18%)
Mar 22, 2012	61.20	61.33	60.71	61.20	48,951	-0.31(-0.50%)
Mar 21, 2012	61.00	61.68	60.88	61.51	70,501	+0.51(+0.84%)
Mar 20, 2012	60.52	61.05	60.15	61.00	89,743	+0.06(+0.10%)
Mar 19, 2012	60.21	61.33	58.88	60.94	112,467	+0.82(+1.36%)
Mar 16, 2012	61.20	61.20	59.69	60.12	125,151	-1.23(-2.00%)
Mar 15, 2012	61.04	61.37	59.60	61.35	115,077	+0.60(+0.99%)
Mar 14, 2012	61.63	61.86	60.28	60.75	65,416	-0.75(-1.22%)
Mar 13, 2012	61.15	61.99	60.67	61.50	129,870	+0.65(+1.07%)
Mar 12, 2012	60.83	61.40	59.87	60.85	112,588	-0.15(-0.25%)
Mar 09, 2012	60.12	61.87	60.12	61.00	152,465	+0.86(+1.43%)
Mar 08, 2012	58.57	60.22	58.47	60.14	120,722	+1.76(+3.01%)
Mar 07, 2012	59.67	59.67	58.13	58.38	116,144	-0.91(-1.53%)
Mar 06, 2012	59.12	59.40	58.32	59.29	194,233	-0.54(-0.90%)
Mar 05, 2012	58.90	59.88	58.68	59.83	116,186	+0.77(+1.30%)
Mar 02, 2012	58.67	59.63	58.17	59.06	138,383	+0.56(+0.96%)

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