O S I Systems Inc (NQ: OSIS )

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2013	57.80	58.89	56.95	57.84	339,063	-0.45(-0.77%)
May 30, 2013	57.43	58.49	57.08	58.29	457,350	+0.91(+1.59%)
May 29, 2013	58.96	59.09	56.15	57.38	583,913	-1.74(-2.94%)
May 28, 2013	58.58	59.90	58.04	59.12	344,444	+1.27(+2.20%)
May 24, 2013	57.02	57.86	56.47	57.85	0	+0.35(+0.61%)
May 23, 2013	54.11	58.35	53.59	57.50	0	+2.91(+5.33%)
May 22, 2013	53.41	55.95	51.31	54.59	0	+1.34(+2.52%)
May 21, 2013	61.24	61.30	51.83	53.25	1,784,211	-8.05(-13.13%)
May 20, 2013	55.00	63.00	55.00	61.30	0	-5.04(-7.60%)
May 17, 2013	64.92	66.36	64.64	66.34	0	+1.49(+2.30%)
May 16, 2013	63.57	65.15	63.41	64.85	386,827	+0.92(+1.44%)
May 15, 2013	62.00	64.75	62.00	63.93	0	+3.06(+5.03%)
May 13, 2013	60.37	61.14	60.24	60.87	0	+0.27(+0.45%)
May 10, 2013	60.13	60.79	60.03	60.60	0	+0.49(+0.82%)
May 09, 2013	59.27	60.46	58.96	60.11	0	+0.94(+1.59%)
May 08, 2013	58.91	59.33	58.29	59.17	0	+0.26(+0.44%)
May 07, 2013	58.30	59.14	58.30	58.91	0	+0.52(+0.89%)
May 06, 2013	58.03	58.40	57.50	58.39	0	+0.53(+0.92%)
May 03, 2013	57.29	58.44	57.29	57.86	0	+1.29(+2.28%)
May 02, 2013	55.53	57.05	55.06	56.57	0	+1.43(+2.59%)

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