Perficient Inc NASDAQ:PRFT Historical Prices

Below are the 6044 trading days of historical prices for PRFT.

#	Exchange	Symbol	Date	Open	High	Low	Close
6044	NASDAQ	PRFT	Mon, Mar 4, 2024	64.79	65.73	63.80	64.49
6043	NASDAQ	PRFT	Fri, Mar 1, 2024	65.15	65.38	63.84	64.81
6042	NASDAQ	PRFT	Thu, Feb 29, 2024	65.05	65.85	63.86	64.87
6041	NASDAQ	PRFT	Wed, Feb 28, 2024	63.35	64.89	63.35	64.27
6040	NASDAQ	PRFT	Tue, Feb 27, 2024	63.00	69.23	62.46	64.44
6039	NASDAQ	PRFT	Mon, Feb 26, 2024	68.25	68.71	67.61	68.16
6038	NASDAQ	PRFT	Fri, Feb 23, 2024	68.79	69.72	67.81	68.85
6037	NASDAQ	PRFT	Thu, Feb 22, 2024	68.00	69.54	67.95	69.10
6036	NASDAQ	PRFT	Wed, Feb 21, 2024	68.58	68.58	66.51	67.26
6035	NASDAQ	PRFT	Tue, Feb 20, 2024	69.20	69.79	68.81	69.04
6034	NASDAQ	PRFT	Fri, Feb 16, 2024	70.66	71.20	69.67	70.33
6033	NASDAQ	PRFT	Thu, Feb 15, 2024	70.72	71.71	69.86	71.26
6032	NASDAQ	PRFT	Wed, Feb 14, 2024	68.91	70.24	68.43	69.95
6031	NASDAQ	PRFT	Tue, Feb 13, 2024	69.86	70.53	67.22	67.76
6030	NASDAQ	PRFT	Mon, Feb 12, 2024	71.77	72.86	71.70	72.57
6029	NASDAQ	PRFT	Fri, Feb 9, 2024	70.55	71.84	70.55	71.74
6028	NASDAQ	PRFT	Thu, Feb 8, 2024	69.10	70.53	69.10	70.09
6027	NASDAQ	PRFT	Wed, Feb 7, 2024	70.17	70.17	68.86	69.12
6026	NASDAQ	PRFT	Tue, Feb 6, 2024	69.10	69.97	68.83	69.87
6025	NASDAQ	PRFT	Mon, Feb 5, 2024	69.11	69.76	68.86	69.10
6024	NASDAQ	PRFT	Fri, Feb 2, 2024	69.76	70.83	68.60	70.05
6023	NASDAQ	PRFT	Thu, Feb 1, 2024	68.45	70.48	67.99	70.41
6022	NASDAQ	PRFT	Wed, Jan 31, 2024	69.55	70.60	68.01	68.13
6021	NASDAQ	PRFT	Tue, Jan 30, 2024	71.02	71.32	69.71	69.97
6020	NASDAQ	PRFT	Mon, Jan 29, 2024	69.82	71.53	69.76	71.44
6019	NASDAQ	PRFT	Fri, Jan 26, 2024	70.93	71.54	69.90	69.92
6018	NASDAQ	PRFT	Thu, Jan 25, 2024	72.68	72.90	70.64	70.75
6017	NASDAQ	PRFT	Wed, Jan 24, 2024	73.50	73.50	71.34	71.56
6016	NASDAQ	PRFT	Tue, Jan 23, 2024	72.42	73.58	70.72	72.66
6015	NASDAQ	PRFT	Mon, Jan 22, 2024	70.68	73.47	70.61	71.72
6014	NASDAQ	PRFT	Fri, Jan 19, 2024	68.21	70.70	67.61	70.57
6013	NASDAQ	PRFT	Thu, Jan 18, 2024	66.59	68.06	66.08	68.03
6012	NASDAQ	PRFT	Wed, Jan 17, 2024	65.48	66.21	64.69	66.00
6011	NASDAQ	PRFT	Tue, Jan 16, 2024	66.09	67.15	66.09	66.49
6010	NASDAQ	PRFT	Fri, Jan 12, 2024	65.16	66.89	65.10	66.78
6009	NASDAQ	PRFT	Thu, Jan 11, 2024	63.72	65.56	63.20	64.59
6008	NASDAQ	PRFT	Wed, Jan 10, 2024	63.53	63.92	62.84	63.52
6007	NASDAQ	PRFT	Tue, Jan 9, 2024	62.52	64.14	62.52	63.90
6006	NASDAQ	PRFT	Mon, Jan 8, 2024	61.08	63.85	61.08	63.71
6005	NASDAQ	PRFT	Fri, Jan 5, 2024	60.44	61.70	60.29	60.87
6004	NASDAQ	PRFT	Thu, Jan 4, 2024	62.01	62.25	61.02	61.08
6003	NASDAQ	PRFT	Wed, Jan 3, 2024	64.02	64.02	61.66	61.86
6002	NASDAQ	PRFT	Tue, Jan 2, 2024	65.53	65.72	63.93	64.46
6001	NASDAQ	PRFT	Fri, Dec 29, 2023	67.10	67.33	65.54	65.82
6000	NASDAQ	PRFT	Thu, Dec 28, 2023	67.29	67.70	66.74	67.37
5999	NASDAQ	PRFT	Wed, Dec 27, 2023	68.05	68.05	66.81	67.37
5998	NASDAQ	PRFT	Tue, Dec 26, 2023	67.56	68.15	67.15	67.91
5997	NASDAQ	PRFT	Fri, Dec 22, 2023	67.02	67.90	66.71	67.58
5996	NASDAQ	PRFT	Thu, Dec 21, 2023	66.78	67.35	65.91	66.91
5995	NASDAQ	PRFT	Wed, Dec 20, 2023	68.00	68.78	66.02	66.17
5994	NASDAQ	PRFT	Tue, Dec 19, 2023	66.92	68.73	66.92	68.22
5993	NASDAQ	PRFT	Mon, Dec 18, 2023	67.06	67.52	66.07	66.75
5992	NASDAQ	PRFT	Fri, Dec 15, 2023	67.95	68.90	66.51	67.06
5991	NASDAQ	PRFT	Thu, Dec 14, 2023	68.85	70.17	66.61	67.42
5990	NASDAQ	PRFT	Wed, Dec 13, 2023	65.20	68.60	63.65	68.51
5989	NASDAQ	PRFT	Tue, Dec 12, 2023	64.30	65.58	63.52	65.24
5988	NASDAQ	PRFT	Mon, Dec 11, 2023	64.11	64.89	64.11	64.50
5987	NASDAQ	PRFT	Fri, Dec 8, 2023	63.13	64.58	63.07	64.45
5986	NASDAQ	PRFT	Thu, Dec 7, 2023	63.67	63.95	62.43	63.56
5985	NASDAQ	PRFT	Wed, Dec 6, 2023	64.52	65.36	63.56	63.71
5984	NASDAQ	PRFT	Tue, Dec 5, 2023	64.89	64.90	63.54	64.20
5983	NASDAQ	PRFT	Mon, Dec 4, 2023	63.46	65.35	63.03	65.34
5982	NASDAQ	PRFT	Fri, Dec 1, 2023	61.89	64.20	60.88	63.88
5981	NASDAQ	PRFT	Thu, Nov 30, 2023	62.00	62.00	60.60	61.88
5980	NASDAQ	PRFT	Wed, Nov 29, 2023	63.12	63.88	61.75	61.95
5979	NASDAQ	PRFT	Tue, Nov 28, 2023	62.06	62.85	61.70	62.49
5978	NASDAQ	PRFT	Mon, Nov 27, 2023	62.26	62.90	62.09	62.41
5977	NASDAQ	PRFT	Fri, Nov 24, 2023	62.20	62.99	62.01	62.49
5976	NASDAQ	PRFT	Wed, Nov 22, 2023	62.34	62.75	61.56	62.42
5975	NASDAQ	PRFT	Tue, Nov 21, 2023	62.80	63.04	61.42	61.59
5974	NASDAQ	PRFT	Mon, Nov 20, 2023	63.15	64.00	62.73	63.44
5973	NASDAQ	PRFT	Fri, Nov 17, 2023	63.25	63.64	62.89	63.25
5972	NASDAQ	PRFT	Thu, Nov 16, 2023	63.00	63.39	62.36	62.82
5971	NASDAQ	PRFT	Wed, Nov 15, 2023	63.48	64.64	62.92	63.44
5970	NASDAQ	PRFT	Tue, Nov 14, 2023	62.32	63.29	60.53	63.17
5969	NASDAQ	PRFT	Mon, Nov 13, 2023	60.92	61.56	59.63	59.90
5968	NASDAQ	PRFT	Fri, Nov 10, 2023	61.17	61.75	60.20	61.53
5967	NASDAQ	PRFT	Thu, Nov 9, 2023	62.14	62.19	60.28	60.57
5966	NASDAQ	PRFT	Wed, Nov 8, 2023	62.75	63.45	61.61	62.01
5965	NASDAQ	PRFT	Tue, Nov 7, 2023	62.11	63.60	62.11	62.73
5964	NASDAQ	PRFT	Mon, Nov 6, 2023	61.18	62.31	60.98	62.01
5963	NASDAQ	PRFT	Fri, Nov 3, 2023	61.62	62.94	61.62	61.72
5962	NASDAQ	PRFT	Thu, Nov 2, 2023	58.62	60.80	58.56	60.66
5961	NASDAQ	PRFT	Wed, Nov 1, 2023	58.27	58.78	56.94	57.58
5960	NASDAQ	PRFT	Tue, Oct 31, 2023	54.73	59.88	54.73	58.19
5959	NASDAQ	PRFT	Mon, Oct 30, 2023	51.93	52.38	51.40	51.52
5958	NASDAQ	PRFT	Fri, Oct 27, 2023	52.09	52.48	51.23	51.64
5957	NASDAQ	PRFT	Thu, Oct 26, 2023	52.79	53.18	51.92	52.07
5956	NASDAQ	PRFT	Wed, Oct 25, 2023	54.23	54.45	52.30	52.33
5955	NASDAQ	PRFT	Tue, Oct 24, 2023	54.69	55.11	54.13	54.67
5954	NASDAQ	PRFT	Mon, Oct 23, 2023	54.97	55.43	54.07	54.13
5953	NASDAQ	PRFT	Fri, Oct 20, 2023	56.57	56.76	55.15	55.40
5952	NASDAQ	PRFT	Thu, Oct 19, 2023	57.94	58.51	56.35	56.48
5951	NASDAQ	PRFT	Wed, Oct 18, 2023	58.35	58.90	57.76	58.22
5950	NASDAQ	PRFT	Tue, Oct 17, 2023	58.28	59.30	57.67	58.93
5949	NASDAQ	PRFT	Mon, Oct 16, 2023	57.79	58.97	57.10	58.66
5948	NASDAQ	PRFT	Fri, Oct 13, 2023	58.77	59.05	56.52	57.17
5947	NASDAQ	PRFT	Thu, Oct 12, 2023	61.39	61.57	58.77	58.77
5946	NASDAQ	PRFT	Wed, Oct 11, 2023	61.69	62.65	60.76	61.36
5945	NASDAQ	PRFT	Tue, Oct 10, 2023	61.54	62.27	61.34	61.53
5944	NASDAQ	PRFT	Mon, Oct 9, 2023	60.89	62.24	60.54	61.64
5943	NASDAQ	PRFT	Fri, Oct 6, 2023	59.76	62.24	59.54	61.55
5942	NASDAQ	PRFT	Thu, Oct 5, 2023	58.28	60.22	58.00	59.97
5941	NASDAQ	PRFT	Wed, Oct 4, 2023	57.09	58.28	56.98	58.19
5940	NASDAQ	PRFT	Tue, Oct 3, 2023	56.75	57.18	56.17	57.00
5939	NASDAQ	PRFT	Mon, Oct 2, 2023	57.75	57.76	56.54	57.17
5938	NASDAQ	PRFT	Fri, Sep 29, 2023	58.30	58.89	57.78	57.86
5937	NASDAQ	PRFT	Thu, Sep 28, 2023	56.97	58.41	56.72	57.95
5936	NASDAQ	PRFT	Wed, Sep 27, 2023	57.37	58.35	56.87	57.03
5935	NASDAQ	PRFT	Tue, Sep 26, 2023	59.27	59.70	56.70	57.19
5934	NASDAQ	PRFT	Mon, Sep 25, 2023	59.59	59.81	59.14	59.55
5933	NASDAQ	PRFT	Fri, Sep 22, 2023	59.43	60.00	59.17	59.76
5932	NASDAQ	PRFT	Thu, Sep 21, 2023	59.37	60.35	59.03	59.29
5931	NASDAQ	PRFT	Wed, Sep 20, 2023	60.47	60.89	59.90	59.94
5930	NASDAQ	PRFT	Tue, Sep 19, 2023	59.79	60.38	59.29	60.32
5929	NASDAQ	PRFT	Mon, Sep 18, 2023	59.94	60.22	59.38	60.03
5928	NASDAQ	PRFT	Fri, Sep 15, 2023	61.00	61.05	59.69	60.02
5927	NASDAQ	PRFT	Thu, Sep 14, 2023	59.98	61.63	59.81	61.08
5926	NASDAQ	PRFT	Wed, Sep 13, 2023	58.97	59.89	58.62	59.61
5925	NASDAQ	PRFT	Tue, Sep 12, 2023	59.54	60.05	58.52	59.18
5924	NASDAQ	PRFT	Mon, Sep 11, 2023	59.93	59.93	59.93	59.93
5923	NASDAQ	PRFT	Fri, Sep 8, 2023	60.83	60.83	59.74	60.24
5922	NASDAQ	PRFT	Thu, Sep 7, 2023	61.81	62.28	60.71	60.87
5921	NASDAQ	PRFT	Wed, Sep 6, 2023	62.24	62.87	61.95	62.28
5920	NASDAQ	PRFT	Tue, Sep 5, 2023	62.39	62.43	61.28	62.28
5919	NASDAQ	PRFT	Fri, Sep 1, 2023	64.09	64.52	62.69	62.87
5918	NASDAQ	PRFT	Thu, Aug 31, 2023	64.17	64.80	63.74	63.79
5917	NASDAQ	PRFT	Wed, Aug 30, 2023	63.30	64.36	63.30	64.10
5916	NASDAQ	PRFT	Tue, Aug 29, 2023	61.53	63.70	61.47	63.65
5915	NASDAQ	PRFT	Mon, Aug 28, 2023	62.79	63.39	61.49	61.53
5914	NASDAQ	PRFT	Fri, Aug 25, 2023	61.34	62.88	61.21	62.58
5913	NASDAQ	PRFT	Thu, Aug 24, 2023	60.98	61.73	60.75	61.26
5912	NASDAQ	PRFT	Wed, Aug 23, 2023	60.55	61.62	60.55	61.19
5911	NASDAQ	PRFT	Tue, Aug 22, 2023	60.02	61.06	59.95	60.28
5910	NASDAQ	PRFT	Mon, Aug 21, 2023	59.06	60.09	58.74	59.63
5909	NASDAQ	PRFT	Fri, Aug 18, 2023	58.37	59.35	58.37	59.08
5908	NASDAQ	PRFT	Thu, Aug 17, 2023	59.55	60.00	58.83	58.92
5907	NASDAQ	PRFT	Wed, Aug 16, 2023	59.52	60.10	59.34	59.70
5906	NASDAQ	PRFT	Tue, Aug 15, 2023	60.93	61.31	59.74	59.88
5905	NASDAQ	PRFT	Mon, Aug 14, 2023	60.13	61.63	59.67	61.38
5904	NASDAQ	PRFT	Fri, Aug 11, 2023	59.76	60.80	59.45	60.30
5903	NASDAQ	PRFT	Thu, Aug 10, 2023	60.66	60.93	59.37	60.18
5902	NASDAQ	PRFT	Wed, Aug 9, 2023	59.22	60.72	58.43	60.50
5901	NASDAQ	PRFT	Tue, Aug 8, 2023	60.35	60.43	59.00	59.54
5900	NASDAQ	PRFT	Mon, Aug 7, 2023	60.31	61.51	59.65	60.65
5899	NASDAQ	PRFT	Fri, Aug 4, 2023	58.29	60.47	58.29	60.31
5898	NASDAQ	PRFT	Thu, Aug 3, 2023	60.51	61.00	58.00	58.31
5897	NASDAQ	PRFT	Wed, Aug 2, 2023	60.00	61.06	58.89	61.01
5896	NASDAQ	PRFT	Tue, Aug 1, 2023	63.15	63.88	60.50	61.02
5895	NASDAQ	PRFT	Mon, Jul 31, 2023	63.33	66.56	62.81	63.79
5894	NASDAQ	PRFT	Fri, Jul 28, 2023	66.36	68.74	62.83	63.49
5893	NASDAQ	PRFT	Thu, Jul 27, 2023	82.49	83.00	64.83	66.99
5892	NASDAQ	PRFT	Wed, Jul 26, 2023	92.52	93.64	89.63	90.60
5891	NASDAQ	PRFT	Tue, Jul 25, 2023	92.71	93.87	92.15	92.23
5890	NASDAQ	PRFT	Mon, Jul 24, 2023	94.09	94.72	92.30	92.91
5889	NASDAQ	PRFT	Fri, Jul 21, 2023	93.17	96.34	92.37	94.46
5888	NASDAQ	PRFT	Thu, Jul 20, 2023	96.16	96.43	92.04	92.36
5887	NASDAQ	PRFT	Wed, Jul 19, 2023	96.90	96.93	95.53	96.31
5886	NASDAQ	PRFT	Tue, Jul 18, 2023	93.95	96.68	93.73	96.31
5885	NASDAQ	PRFT	Mon, Jul 17, 2023	91.79	94.65	91.57	93.90
5884	NASDAQ	PRFT	Fri, Jul 14, 2023	90.03	92.24	88.86	92.01
5883	NASDAQ	PRFT	Thu, Jul 13, 2023	88.32	90.58	87.77	90.31
5882	NASDAQ	PRFT	Wed, Jul 12, 2023	87.61	88.92	87.02	88.17
5881	NASDAQ	PRFT	Tue, Jul 11, 2023	85.31	86.42	84.59	86.34
5880	NASDAQ	PRFT	Mon, Jul 10, 2023	83.72	85.81	83.72	85.26
5879	NASDAQ	PRFT	Fri, Jul 7, 2023	82.34	84.24	82.34	83.81
5878	NASDAQ	PRFT	Thu, Jul 6, 2023	82.27	82.87	81.71	82.30
5877	NASDAQ	PRFT	Wed, Jul 5, 2023	83.28	84.23	82.54	82.74
5876	NASDAQ	PRFT	Mon, Jul 3, 2023	82.88	84.39	82.47	83.62
5875	NASDAQ	PRFT	Fri, Jun 30, 2023	84.08	84.75	83.24	83.33
5874	NASDAQ	PRFT	Thu, Jun 29, 2023	81.90	84.50	81.58	84.04
5873	NASDAQ	PRFT	Wed, Jun 28, 2023	80.85	81.97	80.50	81.15
5872	NASDAQ	PRFT	Tue, Jun 27, 2023	78.85	81.39	78.52	81.13
5871	NASDAQ	PRFT	Mon, Jun 26, 2023	77.26	78.87	77.26	78.71
5870	NASDAQ	PRFT	Fri, Jun 23, 2023	77.37	78.18	76.90	77.56
5869	NASDAQ	PRFT	Thu, Jun 22, 2023	77.86	78.77	76.30	78.37
5868	NASDAQ	PRFT	Wed, Jun 21, 2023	78.25	78.94	77.01	78.20
5867	NASDAQ	PRFT	Tue, Jun 20, 2023	78.18	79.58	77.95	78.75
5866	NASDAQ	PRFT	Fri, Jun 16, 2023	76.70	78.74	75.19	78.67
5865	NASDAQ	PRFT	Thu, Jun 15, 2023	74.78	75.92	74.05	75.86
5864	NASDAQ	PRFT	Wed, Jun 14, 2023	75.39	75.69	74.49	75.18
5863	NASDAQ	PRFT	Tue, Jun 13, 2023	76.68	77.13	75.25	75.39
5862	NASDAQ	PRFT	Mon, Jun 12, 2023	74.73	76.54	74.68	76.26
5861	NASDAQ	PRFT	Fri, Jun 9, 2023	74.15	75.06	73.88	74.65
5860	NASDAQ	PRFT	Thu, Jun 8, 2023	76.00	76.07	73.72	74.13
5859	NASDAQ	PRFT	Wed, Jun 7, 2023	75.37	76.57	74.72	76.21
5858	NASDAQ	PRFT	Tue, Jun 6, 2023	74.23	75.58	74.23	75.01
5857	NASDAQ	PRFT	Mon, Jun 5, 2023	78.11	78.11	74.08	74.26
5856	NASDAQ	PRFT	Fri, Jun 2, 2023	76.98	79.06	76.64	78.71
5855	NASDAQ	PRFT	Thu, Jun 1, 2023	76.26	76.74	75.31	76.02
5854	NASDAQ	PRFT	Wed, May 31, 2023	77.21	78.21	75.96	76.47
5853	NASDAQ	PRFT	Tue, May 30, 2023	79.07	79.54	77.62	77.62
5852	NASDAQ	PRFT	Fri, May 26, 2023	77.87	79.31	77.59	78.75
5851	NASDAQ	PRFT	Thu, May 25, 2023	77.50	78.42	77.28	78.06
5850	NASDAQ	PRFT	Wed, May 24, 2023	77.75	78.40	76.52	76.93
5849	NASDAQ	PRFT	Tue, May 23, 2023	78.34	80.13	77.93	78.25
5848	NASDAQ	PRFT	Mon, May 22, 2023	77.58	79.10	76.72	78.78
5847	NASDAQ	PRFT	Fri, May 19, 2023	78.46	78.65	76.94	77.35
5846	NASDAQ	PRFT	Thu, May 18, 2023	75.83	78.02	74.99	77.85
5845	NASDAQ	PRFT	Wed, May 17, 2023	74.76	76.60	74.51	76.31
5844	NASDAQ	PRFT	Tue, May 16, 2023	73.90	75.32	73.66	74.81
5843	NASDAQ	PRFT	Mon, May 15, 2023	73.83	74.93	72.82	74.57
5842	NASDAQ	PRFT	Fri, May 12, 2023	74.52	75.50	73.06	73.74
5841	NASDAQ	PRFT	Thu, May 11, 2023	73.43	74.60	72.31	74.51
5840	NASDAQ	PRFT	Wed, May 10, 2023	73.76	74.27	72.12	73.84
5839	NASDAQ	PRFT	Tue, May 9, 2023	72.62	72.95	71.67	72.56
5838	NASDAQ	PRFT	Mon, May 8, 2023	73.81	74.42	71.58	72.67
5837	NASDAQ	PRFT	Fri, May 5, 2023	75.24	75.24	73.47	73.92
5836	NASDAQ	PRFT	Thu, May 4, 2023	74.95	75.75	72.85	74.65
5835	NASDAQ	PRFT	Wed, May 3, 2023	69.78	74.62	69.78	74.52
5834	NASDAQ	PRFT	Tue, May 2, 2023	63.30	70.23	63.21	69.52
5833	NASDAQ	PRFT	Mon, May 1, 2023	64.52	65.63	63.72	63.85
5832	NASDAQ	PRFT	Fri, Apr 28, 2023	63.55	65.19	63.55	64.92
5831	NASDAQ	PRFT	Thu, Apr 27, 2023	62.68	63.98	62.08	63.42
5830	NASDAQ	PRFT	Wed, Apr 26, 2023	62.81	63.11	61.69	62.18
5829	NASDAQ	PRFT	Tue, Apr 25, 2023	63.63	63.86	62.70	62.72
5828	NASDAQ	PRFT	Mon, Apr 24, 2023	65.58	65.58	63.67	64.06
5827	NASDAQ	PRFT	Fri, Apr 21, 2023	66.55	66.85	65.50	65.52
5826	NASDAQ	PRFT	Thu, Apr 20, 2023	67.13	68.11	66.37	66.50
5825	NASDAQ	PRFT	Wed, Apr 19, 2023	68.89	68.89	67.61	67.97
5824	NASDAQ	PRFT	Tue, Apr 18, 2023	70.35	70.77	68.65	69.05
5823	NASDAQ	PRFT	Mon, Apr 17, 2023	69.43	70.28	69.31	70.19
5822	NASDAQ	PRFT	Fri, Apr 14, 2023	70.20	70.45	68.12	69.50
5821	NASDAQ	PRFT	Thu, Apr 13, 2023	69.10	70.51	69.06	70.26
5820	NASDAQ	PRFT	Wed, Apr 12, 2023	70.63	71.00	68.56	68.72
5819	NASDAQ	PRFT	Tue, Apr 11, 2023	69.24	70.25	69.11	70.11
5818	NASDAQ	PRFT	Mon, Apr 10, 2023	68.57	69.55	68.16	69.34
5817	NASDAQ	PRFT	Thu, Apr 6, 2023	68.19	69.33	67.62	69.33
5816	NASDAQ	PRFT	Wed, Apr 5, 2023	70.63	70.85	68.28	68.34
5815	NASDAQ	PRFT	Tue, Apr 4, 2023	71.05	71.46	70.40	71.09
5814	NASDAQ	PRFT	Mon, Apr 3, 2023	71.70	72.44	70.41	70.96
5813	NASDAQ	PRFT	Fri, Mar 31, 2023	69.55	72.36	69.55	72.19
5812	NASDAQ	PRFT	Thu, Mar 30, 2023	69.70	70.12	68.89	69.06
5811	NASDAQ	PRFT	Wed, Mar 29, 2023	69.46	69.55	68.82	69.34
5810	NASDAQ	PRFT	Tue, Mar 28, 2023	68.87	69.16	67.73	69.02
5809	NASDAQ	PRFT	Mon, Mar 27, 2023	68.39	69.96	67.69	69.30
5808	NASDAQ	PRFT	Fri, Mar 24, 2023	67.06	67.94	66.28	67.93
5807	NASDAQ	PRFT	Thu, Mar 23, 2023	67.70	69.51	67.17	67.62
5806	NASDAQ	PRFT	Wed, Mar 22, 2023	68.76	69.54	66.92	67.00
5805	NASDAQ	PRFT	Tue, Mar 21, 2023	69.52	70.75	69.20	69.24
5804	NASDAQ	PRFT	Mon, Mar 20, 2023	68.46	69.67	68.46	68.92
5803	NASDAQ	PRFT	Fri, Mar 17, 2023	68.67	69.33	67.69	67.87
5802	NASDAQ	PRFT	Thu, Mar 16, 2023	68.03	69.46	67.47	68.70
5801	NASDAQ	PRFT	Wed, Mar 15, 2023	68.34	68.79	66.51	68.72
5800	NASDAQ	PRFT	Tue, Mar 14, 2023	69.92	70.70	68.34	69.75
5799	NASDAQ	PRFT	Mon, Mar 13, 2023	66.91	69.09	66.50	68.09
5798	NASDAQ	PRFT	Fri, Mar 10, 2023	70.80	70.80	67.39	67.86
5797	NASDAQ	PRFT	Thu, Mar 9, 2023	72.65	73.43	71.18	71.18
5796	NASDAQ	PRFT	Wed, Mar 8, 2023	72.13	73.81	71.60	72.83
5795	NASDAQ	PRFT	Tue, Mar 7, 2023	72.46	73.45	71.59	72.10
5794	NASDAQ	PRFT	Mon, Mar 6, 2023	74.66	75.00	72.46	72.68
5793	NASDAQ	PRFT	Fri, Mar 3, 2023	74.71	75.33	73.95	73.96
5792	NASDAQ	PRFT	Thu, Mar 2, 2023	72.47	74.34	71.26	74.29
5791	NASDAQ	PRFT	Wed, Mar 1, 2023	70.54	73.65	70.32	73.27
5790	NASDAQ	PRFT	Tue, Feb 28, 2023	69.42	71.75	68.29	70.80
5789	NASDAQ	PRFT	Mon, Feb 27, 2023	71.11	71.34	69.56	70.04
5788	NASDAQ	PRFT	Fri, Feb 24, 2023	71.15	72.02	70.33	70.80
5787	NASDAQ	PRFT	Thu, Feb 23, 2023	73.79	73.79	71.18	72.36
5786	NASDAQ	PRFT	Wed, Feb 22, 2023	73.63	74.48	72.25	72.89
5785	NASDAQ	PRFT	Tue, Feb 21, 2023	72.83	74.32	71.08	73.50
5784	NASDAQ	PRFT	Fri, Feb 17, 2023	75.11	75.11	70.33	74.05
5783	NASDAQ	PRFT	Thu, Feb 16, 2023	75.80	76.95	73.96	75.44
5782	NASDAQ	PRFT	Wed, Feb 15, 2023	76.29	77.94	76.27	77.00
5781	NASDAQ	PRFT	Tue, Feb 14, 2023	77.94	78.70	76.67	76.99
5780	NASDAQ	PRFT	Mon, Feb 13, 2023	77.84	78.80	77.24	78.28
5779	NASDAQ	PRFT	Fri, Feb 10, 2023	77.55	78.01	76.92	77.74
5778	NASDAQ	PRFT	Thu, Feb 9, 2023	79.93	79.93	77.48	78.15
5777	NASDAQ	PRFT	Wed, Feb 8, 2023	79.12	80.16	78.32	79.31
5776	NASDAQ	PRFT	Tue, Feb 7, 2023	78.84	79.96	77.90	79.54
5775	NASDAQ	PRFT	Mon, Feb 6, 2023	80.08	80.41	78.88	79.45
5774	NASDAQ	PRFT	Fri, Feb 3, 2023	81.50	83.16	80.54	81.00
5773	NASDAQ	PRFT	Thu, Feb 2, 2023	78.42	83.01	78.42	82.89
5772	NASDAQ	PRFT	Wed, Feb 1, 2023	74.36	78.15	74.36	77.48
5771	NASDAQ	PRFT	Tue, Jan 31, 2023	73.84	74.95	73.84	74.14
5770	NASDAQ	PRFT	Mon, Jan 30, 2023	73.59	74.38	73.03	73.45
5769	NASDAQ	PRFT	Fri, Jan 27, 2023	74.23	74.99	73.33	74.47
5768	NASDAQ	PRFT	Thu, Jan 26, 2023	75.71	76.04	74.25	75.09
5767	NASDAQ	PRFT	Wed, Jan 25, 2023	74.71	75.35	73.46	75.03
5766	NASDAQ	PRFT	Tue, Jan 24, 2023	77.89	78.34	75.92	75.94
5765	NASDAQ	PRFT	Mon, Jan 23, 2023	74.76	78.31	74.24	78.05
5764	NASDAQ	PRFT	Fri, Jan 20, 2023	72.98	74.73	72.21	74.47
5763	NASDAQ	PRFT	Thu, Jan 19, 2023	72.59	72.93	69.63	72.20
5762	NASDAQ	PRFT	Wed, Jan 18, 2023	74.96	76.45	73.01	73.36
5761	NASDAQ	PRFT	Tue, Jan 17, 2023	75.09	75.85	74.63	74.63
5760	NASDAQ	PRFT	Fri, Jan 13, 2023	74.87	75.10	74.17	75.10
5759	NASDAQ	PRFT	Thu, Jan 12, 2023	74.33	75.27	72.94	75.24
5758	NASDAQ	PRFT	Wed, Jan 11, 2023	72.29	74.07	71.49	73.96
5757	NASDAQ	PRFT	Tue, Jan 10, 2023	71.07	71.87	70.49	71.84
5756	NASDAQ	PRFT	Mon, Jan 9, 2023	70.04	72.58	69.38	71.59
5755	NASDAQ	PRFT	Fri, Jan 6, 2023	69.62	70.20	68.13	69.28
5754	NASDAQ	PRFT	Thu, Jan 5, 2023	70.70	71.36	68.48	68.82
5753	NASDAQ	PRFT	Wed, Jan 4, 2023	71.83	72.68	70.67	71.19
5752	NASDAQ	PRFT	Tue, Jan 3, 2023	70.96	71.68	69.84	71.02
5751	NASDAQ	PRFT	Fri, Dec 30, 2022	69.44	70.00	68.91	69.83
5750	NASDAQ	PRFT	Thu, Dec 29, 2022	68.75	70.66	68.23	70.48
5749	NASDAQ	PRFT	Wed, Dec 28, 2022	69.73	71.18	67.63	67.83
5748	NASDAQ	PRFT	Tue, Dec 27, 2022	69.61	70.21	68.63	70.00
5747	NASDAQ	PRFT	Fri, Dec 23, 2022	69.51	70.00	68.82	69.84
5746	NASDAQ	PRFT	Thu, Dec 22, 2022	69.79	69.87	68.02	69.83
5745	NASDAQ	PRFT	Wed, Dec 21, 2022	70.56	71.24	69.74	70.67
5744	NASDAQ	PRFT	Tue, Dec 20, 2022	69.60	71.48	69.15	70.55
5743	NASDAQ	PRFT	Mon, Dec 19, 2022	72.30	73.04	69.51	69.91
5742	NASDAQ	PRFT	Fri, Dec 16, 2022	70.65	72.56	70.03	72.21
5741	NASDAQ	PRFT	Thu, Dec 15, 2022	73.99	74.49	71.40	71.61
5740	NASDAQ	PRFT	Wed, Dec 14, 2022	75.11	76.74	74.32	74.69
5739	NASDAQ	PRFT	Tue, Dec 13, 2022	76.62	77.63	74.22	75.54
5738	NASDAQ	PRFT	Mon, Dec 12, 2022	72.41	74.01	72.12	73.15
5737	NASDAQ	PRFT	Fri, Dec 9, 2022	72.00	73.38	71.70	72.54
5736	NASDAQ	PRFT	Thu, Dec 8, 2022	71.72	72.94	70.40	72.13
5735	NASDAQ	PRFT	Wed, Dec 7, 2022	70.69	73.03	70.68	71.48
5734	NASDAQ	PRFT	Tue, Dec 6, 2022	72.04	72.06	70.20	70.88
5733	NASDAQ	PRFT	Mon, Dec 5, 2022	72.74	73.33	71.92	72.23
5732	NASDAQ	PRFT	Fri, Dec 2, 2022	72.14	74.37	72.14	73.43
5731	NASDAQ	PRFT	Thu, Dec 1, 2022	71.27	73.74	71.27	73.34
5730	NASDAQ	PRFT	Wed, Nov 30, 2022	68.90	71.67	68.78	71.05
5729	NASDAQ	PRFT	Tue, Nov 29, 2022	67.46	69.66	67.34	69.00
5728	NASDAQ	PRFT	Mon, Nov 28, 2022	68.74	69.01	67.61	67.70
5727	NASDAQ	PRFT	Fri, Nov 25, 2022	69.66	69.84	69.21	69.44
5726	NASDAQ	PRFT	Wed, Nov 23, 2022	69.16	70.40	69.13	69.70
5725	NASDAQ	PRFT	Tue, Nov 22, 2022	68.35	69.65	67.32	69.46
5724	NASDAQ	PRFT	Mon, Nov 21, 2022	68.79	70.99	67.51	67.97
5723	NASDAQ	PRFT	Fri, Nov 18, 2022	70.59	70.97	68.44	69.00
5722	NASDAQ	PRFT	Thu, Nov 17, 2022	67.68	69.11	67.28	68.84
5721	NASDAQ	PRFT	Wed, Nov 16, 2022	71.05	71.24	68.72	68.90
5720	NASDAQ	PRFT	Tue, Nov 15, 2022	70.39	72.96	70.22	71.35
5719	NASDAQ	PRFT	Mon, Nov 14, 2022	69.94	70.32	68.72	68.72
5718	NASDAQ	PRFT	Fri, Nov 11, 2022	71.20	72.20	70.38	70.64
5717	NASDAQ	PRFT	Thu, Nov 10, 2022	68.05	71.48	68.05	71.37
5716	NASDAQ	PRFT	Wed, Nov 9, 2022	64.84	65.72	64.32	64.72
5715	NASDAQ	PRFT	Tue, Nov 8, 2022	65.86	67.16	65.09	65.68
5714	NASDAQ	PRFT	Mon, Nov 7, 2022	65.60	65.76	64.13	65.41
5713	NASDAQ	PRFT	Fri, Nov 4, 2022	65.87	67.19	62.86	65.17
5712	NASDAQ	PRFT	Thu, Nov 3, 2022	65.28	67.19	64.78	65.26
5711	NASDAQ	PRFT	Wed, Nov 2, 2022	66.50	68.21	65.09	66.31
5710	NASDAQ	PRFT	Tue, Nov 1, 2022	68.08	68.09	66.46	66.47
5709	NASDAQ	PRFT	Mon, Oct 31, 2022	67.07	68.86	66.08	66.97
5708	NASDAQ	PRFT	Fri, Oct 28, 2022	68.62	68.91	65.94	66.71
5707	NASDAQ	PRFT	Thu, Oct 27, 2022	68.50	70.58	66.75	69.19
5706	NASDAQ	PRFT	Wed, Oct 26, 2022	68.36	70.14	67.92	68.43
5705	NASDAQ	PRFT	Tue, Oct 25, 2022	67.26	69.45	67.26	68.69
5704	NASDAQ	PRFT	Mon, Oct 24, 2022	65.58	67.14	64.24	67.01
5703	NASDAQ	PRFT	Fri, Oct 21, 2022	64.89	65.91	63.64	65.13
5702	NASDAQ	PRFT	Thu, Oct 20, 2022	65.64	67.17	64.35	64.76
5701	NASDAQ	PRFT	Wed, Oct 19, 2022	66.39	66.81	65.22	65.32
5700	NASDAQ	PRFT	Tue, Oct 18, 2022	68.78	69.36	66.71	66.95
5699	NASDAQ	PRFT	Mon, Oct 17, 2022	66.45	67.59	66.23	67.10
5698	NASDAQ	PRFT	Fri, Oct 14, 2022	67.05	67.54	64.66	65.00
5697	NASDAQ	PRFT	Thu, Oct 13, 2022	63.97	67.36	63.34	66.60
5696	NASDAQ	PRFT	Wed, Oct 12, 2022	66.31	66.53	65.01	65.79
5695	NASDAQ	PRFT	Tue, Oct 11, 2022	66.84	67.80	65.28	66.48
5694	NASDAQ	PRFT	Mon, Oct 10, 2022	66.95	66.97	65.55	66.20
5693	NASDAQ	PRFT	Fri, Oct 7, 2022	68.10	68.42	66.42	66.67
5692	NASDAQ	PRFT	Thu, Oct 6, 2022	69.70	70.44	68.99	69.43
5691	NASDAQ	PRFT	Wed, Oct 5, 2022	69.95	70.78	69.44	69.98
5690	NASDAQ	PRFT	Tue, Oct 4, 2022	68.84	71.08	68.44	71.05
5689	NASDAQ	PRFT	Mon, Oct 3, 2022	65.92	68.42	65.85	67.36
5688	NASDAQ	PRFT	Fri, Sep 30, 2022	65.37	66.50	64.96	65.02
5687	NASDAQ	PRFT	Thu, Sep 29, 2022	63.81	65.90	62.91	65.66
5686	NASDAQ	PRFT	Wed, Sep 28, 2022	61.80	65.31	61.65	65.10
5685	NASDAQ	PRFT	Tue, Sep 27, 2022	62.08	62.16	60.53	61.88
5684	NASDAQ	PRFT	Mon, Sep 26, 2022	60.55	61.56	59.79	60.13
5683	NASDAQ	PRFT	Fri, Sep 23, 2022	60.15	61.33	59.92	60.93
5682	NASDAQ	PRFT	Thu, Sep 22, 2022	62.56	62.84	60.80	60.88
5681	NASDAQ	PRFT	Wed, Sep 21, 2022	64.17	65.18	62.71	63.02
5680	NASDAQ	PRFT	Tue, Sep 20, 2022	64.73	64.91	63.15	63.61
5679	NASDAQ	PRFT	Mon, Sep 19, 2022	66.22	67.34	65.01	65.75
5678	NASDAQ	PRFT	Fri, Sep 16, 2022	65.47	66.88	64.05	66.49
5677	NASDAQ	PRFT	Thu, Sep 15, 2022	67.71	69.06	65.77	66.50
5676	NASDAQ	PRFT	Wed, Sep 14, 2022	70.25	70.26	67.81	68.43
5675	NASDAQ	PRFT	Tue, Sep 13, 2022	72.72	73.22	69.87	70.25
5674	NASDAQ	PRFT	Mon, Sep 12, 2022	75.45	76.33	74.68	74.96
5673	NASDAQ	PRFT	Fri, Sep 9, 2022	74.89	76.23	74.55	75.16
5672	NASDAQ	PRFT	Thu, Sep 8, 2022	74.15	74.42	73.06	73.78
5671	NASDAQ	PRFT	Wed, Sep 7, 2022	73.22	75.53	72.58	75.10
5670	NASDAQ	PRFT	Tue, Sep 6, 2022	73.36	74.00	71.85	72.92
5669	NASDAQ	PRFT	Fri, Sep 2, 2022	76.55	77.01	72.53	73.49
5668	NASDAQ	PRFT	Thu, Sep 1, 2022	76.73	79.19	74.56	75.75
5667	NASDAQ	PRFT	Wed, Aug 31, 2022	78.03	80.71	77.37	78.10
5666	NASDAQ	PRFT	Tue, Aug 30, 2022	79.02	79.54	77.38	78.00
5665	NASDAQ	PRFT	Mon, Aug 29, 2022	79.80	80.60	78.21	78.86
5664	NASDAQ	PRFT	Fri, Aug 26, 2022	83.90	83.90	80.44	80.75
5663	NASDAQ	PRFT	Thu, Aug 25, 2022	80.02	84.06	80.02	83.90
5662	NASDAQ	PRFT	Wed, Aug 24, 2022	80.90	81.55	79.85	79.90
5661	NASDAQ	PRFT	Tue, Aug 23, 2022	81.84	83.02	80.92	80.98
5660	NASDAQ	PRFT	Mon, Aug 22, 2022	82.26	83.23	80.92	82.17
5659	NASDAQ	PRFT	Fri, Aug 19, 2022	84.73	85.52	83.60	83.81
5658	NASDAQ	PRFT	Thu, Aug 18, 2022	83.45	86.84	83.27	86.09
5657	NASDAQ	PRFT	Wed, Aug 17, 2022	85.52	86.05	83.41	83.45
5656	NASDAQ	PRFT	Tue, Aug 16, 2022	88.05	88.38	85.54	86.88
5655	NASDAQ	PRFT	Mon, Aug 15, 2022	86.09	89.13	86.08	88.74
5654	NASDAQ	PRFT	Fri, Aug 12, 2022	86.08	87.71	86.00	87.04
5653	NASDAQ	PRFT	Thu, Aug 11, 2022	85.60	88.10	85.13	85.72
5652	NASDAQ	PRFT	Wed, Aug 10, 2022	84.08	85.64	83.78	84.88
5651	NASDAQ	PRFT	Tue, Aug 9, 2022	87.74	88.65	82.72	82.92
5650	NASDAQ	PRFT	Mon, Aug 8, 2022	88.89	91.70	88.35	89.23
5649	NASDAQ	PRFT	Fri, Aug 5, 2022	91.00	95.04	88.26	88.81
5648	NASDAQ	PRFT	Thu, Aug 4, 2022	108.22	108.22	89.49	93.08
5647	NASDAQ	PRFT	Wed, Aug 3, 2022	106.89	110.28	106.89	109.44
5646	NASDAQ	PRFT	Tue, Aug 2, 2022	107.14	108.55	105.80	106.62
5645	NASDAQ	PRFT	Mon, Aug 1, 2022	104.86	108.25	104.35	107.91
5644	NASDAQ	PRFT	Fri, Jul 29, 2022	104.40	106.27	103.92	105.52
5643	NASDAQ	PRFT	Thu, Jul 28, 2022	100.80	104.82	100.80	104.42
5642	NASDAQ	PRFT	Wed, Jul 27, 2022	98.01	101.80	98.01	100.86
5641	NASDAQ	PRFT	Tue, Jul 26, 2022	98.62	98.62	96.23	96.79
5640	NASDAQ	PRFT	Mon, Jul 25, 2022	98.87	99.23	97.58	99.02
5639	NASDAQ	PRFT	Fri, Jul 22, 2022	100.45	100.98	97.55	98.60
5638	NASDAQ	PRFT	Thu, Jul 21, 2022	98.93	100.64	97.28	100.62
5637	NASDAQ	PRFT	Wed, Jul 20, 2022	95.88	99.04	95.63	98.47
5636	NASDAQ	PRFT	Tue, Jul 19, 2022	92.35	96.23	92.35	95.74
5635	NASDAQ	PRFT	Mon, Jul 18, 2022	92.85	93.83	90.88	90.97
5634	NASDAQ	PRFT	Fri, Jul 15, 2022	91.36	92.88	90.76	91.86
5633	NASDAQ	PRFT	Thu, Jul 14, 2022	89.13	89.90	87.12	89.58
5632	NASDAQ	PRFT	Wed, Jul 13, 2022	88.30	91.10	87.36	90.01
5631	NASDAQ	PRFT	Tue, Jul 12, 2022	93.65	94.90	89.33	90.18
5630	NASDAQ	PRFT	Mon, Jul 11, 2022	93.44	93.89	92.52	93.51
5629	NASDAQ	PRFT	Fri, Jul 8, 2022	93.28	94.78	92.34	94.50
5628	NASDAQ	PRFT	Thu, Jul 7, 2022	92.49	94.36	92.49	94.11
5627	NASDAQ	PRFT	Wed, Jul 6, 2022	92.06	93.40	91.28	91.94
5626	NASDAQ	PRFT	Tue, Jul 5, 2022	88.16	91.83	87.35	91.79
5625	NASDAQ	PRFT	Fri, Jul 1, 2022	91.51	92.17	88.36	90.25
5624	NASDAQ	PRFT	Thu, Jun 30, 2022	90.39	92.68	88.18	91.69
5623	NASDAQ	PRFT	Wed, Jun 29, 2022	90.84	91.02	88.63	90.88
5622	NASDAQ	PRFT	Tue, Jun 28, 2022	94.92	95.73	90.99	91.00
5621	NASDAQ	PRFT	Mon, Jun 27, 2022	94.31	94.90	92.64	94.67
5620	NASDAQ	PRFT	Fri, Jun 24, 2022	90.67	93.74	90.57	93.63
5619	NASDAQ	PRFT	Thu, Jun 23, 2022	88.16	90.36	87.26	89.37
5618	NASDAQ	PRFT	Wed, Jun 22, 2022	87.28	89.48	87.27	87.73
5617	NASDAQ	PRFT	Tue, Jun 21, 2022	88.34	89.97	88.18	88.65
5616	NASDAQ	PRFT	Fri, Jun 17, 2022	87.83	90.01	86.84	86.92
5615	NASDAQ	PRFT	Thu, Jun 16, 2022	88.92	90.47	86.24	87.07
5614	NASDAQ	PRFT	Wed, Jun 15, 2022	90.86	93.45	90.05	91.80
5613	NASDAQ	PRFT	Tue, Jun 14, 2022	88.81	89.84	86.69	89.58
5612	NASDAQ	PRFT	Mon, Jun 13, 2022	93.56	93.56	88.83	89.03
5611	NASDAQ	PRFT	Fri, Jun 10, 2022	97.06	98.26	94.61	95.10
5610	NASDAQ	PRFT	Thu, Jun 9, 2022	102.28	102.60	99.24	99.39
5609	NASDAQ	PRFT	Wed, Jun 8, 2022	104.11	105.17	102.87	103.00
5608	NASDAQ	PRFT	Tue, Jun 7, 2022	101.95	105.04	101.01	104.93
5607	NASDAQ	PRFT	Mon, Jun 6, 2022	105.89	106.43	102.89	103.81
5606	NASDAQ	PRFT	Fri, Jun 3, 2022	103.69	104.95	102.36	104.73
5605	NASDAQ	PRFT	Thu, Jun 2, 2022	98.66	104.98	98.64	104.78
5604	NASDAQ	PRFT	Wed, Jun 1, 2022	98.69	99.51	97.10	98.65
5603	NASDAQ	PRFT	Tue, May 31, 2022	99.51	99.77	97.66	97.91
5602	NASDAQ	PRFT	Fri, May 27, 2022	97.22	100.42	97.22	100.39
5601	NASDAQ	PRFT	Thu, May 26, 2022	94.79	97.50	92.58	96.38
5600	NASDAQ	PRFT	Wed, May 25, 2022	92.21	95.59	92.21	94.66
5599	NASDAQ	PRFT	Tue, May 24, 2022	95.24	95.24	91.74	93.35
5598	NASDAQ	PRFT	Mon, May 23, 2022	97.49	98.79	95.49	97.16
5597	NASDAQ	PRFT	Fri, May 20, 2022	97.69	97.76	93.37	96.81
5596	NASDAQ	PRFT	Thu, May 19, 2022	94.16	97.61	94.16	95.89
5595	NASDAQ	PRFT	Wed, May 18, 2022	95.94	97.18	92.80	94.56
5594	NASDAQ	PRFT	Tue, May 17, 2022	99.62	99.86	96.45	98.30
5593	NASDAQ	PRFT	Mon, May 16, 2022	100.10	100.98	96.48	96.96
5592	NASDAQ	PRFT	Fri, May 13, 2022	95.39	101.97	95.28	101.39
5591	NASDAQ	PRFT	Thu, May 12, 2022	90.76	94.75	90.65	94.22
5590	NASDAQ	PRFT	Wed, May 11, 2022	95.07	97.03	91.98	92.59
5589	NASDAQ	PRFT	Tue, May 10, 2022	93.66	96.89	92.08	96.01
5588	NASDAQ	PRFT	Mon, May 9, 2022	94.43	96.77	91.81	92.13
5587	NASDAQ	PRFT	Fri, May 6, 2022	97.36	97.37	94.16	96.31
5586	NASDAQ	PRFT	Thu, May 5, 2022	102.35	103.92	96.25	98.09
5585	NASDAQ	PRFT	Wed, May 4, 2022	102.22	104.66	98.70	104.33
5584	NASDAQ	PRFT	Tue, May 3, 2022	102.15	102.97	100.12	102.10
5583	NASDAQ	PRFT	Mon, May 2, 2022	99.19	102.34	98.27	102.06
5582	NASDAQ	PRFT	Fri, Apr 29, 2022	103.20	104.23	99.16	99.41
5581	NASDAQ	PRFT	Thu, Apr 28, 2022	102.28	106.23	99.98	104.90
5580	NASDAQ	PRFT	Wed, Apr 27, 2022	100.00	102.90	99.82	100.25
5579	NASDAQ	PRFT	Tue, Apr 26, 2022	104.26	104.26	98.59	100.01
5578	NASDAQ	PRFT	Mon, Apr 25, 2022	102.58	106.49	102.07	106.05
5577	NASDAQ	PRFT	Fri, Apr 22, 2022	106.51	107.06	103.09	103.88
5576	NASDAQ	PRFT	Thu, Apr 21, 2022	112.60	113.74	106.23	107.06
5575	NASDAQ	PRFT	Wed, Apr 20, 2022	112.65	112.72	110.71	111.17
5574	NASDAQ	PRFT	Tue, Apr 19, 2022	106.94	111.88	106.94	111.09
5573	NASDAQ	PRFT	Mon, Apr 18, 2022	107.38	108.59	106.63	107.20
5572	NASDAQ	PRFT	Thu, Apr 14, 2022	111.84	111.98	107.95	108.08
5571	NASDAQ	PRFT	Wed, Apr 13, 2022	107.33	111.09	107.21	111.00
5570	NASDAQ	PRFT	Tue, Apr 12, 2022	107.02	109.12	105.96	107.87
5569	NASDAQ	PRFT	Mon, Apr 11, 2022	105.00	106.21	102.89	105.05
5568	NASDAQ	PRFT	Fri, Apr 8, 2022	107.06	108.85	106.19	106.26
5567	NASDAQ	PRFT	Thu, Apr 7, 2022	106.48	108.87	106.48	107.82
5566	NASDAQ	PRFT	Wed, Apr 6, 2022	109.25	109.87	106.50	106.91
5565	NASDAQ	PRFT	Tue, Apr 5, 2022	113.25	113.73	110.00	111.06
5564	NASDAQ	PRFT	Mon, Apr 4, 2022	112.26	113.46	111.12	112.93
5563	NASDAQ	PRFT	Fri, Apr 1, 2022	110.09	113.37	109.96	112.29
5562	NASDAQ	PRFT	Thu, Mar 31, 2022	113.44	113.77	109.94	110.09
5561	NASDAQ	PRFT	Wed, Mar 30, 2022	115.00	116.44	113.68	114.14
5560	NASDAQ	PRFT	Tue, Mar 29, 2022	111.00	115.61	110.45	115.12
5559	NASDAQ	PRFT	Mon, Mar 28, 2022	106.69	109.23	105.61	109.22
5558	NASDAQ	PRFT	Fri, Mar 25, 2022	108.45	108.45	104.27	107.45
5557	NASDAQ	PRFT	Thu, Mar 24, 2022	107.86	108.00	106.70	107.74
5556	NASDAQ	PRFT	Wed, Mar 23, 2022	108.44	108.87	106.35	106.81
5555	NASDAQ	PRFT	Tue, Mar 22, 2022	108.72	111.15	105.01	109.63
5554	NASDAQ	PRFT	Mon, Mar 21, 2022	109.92	109.95	106.51	108.59
5553	NASDAQ	PRFT	Fri, Mar 18, 2022	107.32	110.79	106.17	110.25
5552	NASDAQ	PRFT	Thu, Mar 17, 2022	104.63	107.04	103.28	106.76
5551	NASDAQ	PRFT	Wed, Mar 16, 2022	102.98	105.37	100.44	105.02
5550	NASDAQ	PRFT	Tue, Mar 15, 2022	98.00	102.45	96.91	101.62
5549	NASDAQ	PRFT	Mon, Mar 14, 2022	100.84	103.02	96.11	96.81
5548	NASDAQ	PRFT	Fri, Mar 11, 2022	105.00	105.00	101.35	101.35
5547	NASDAQ	PRFT	Thu, Mar 10, 2022	102.76	103.63	101.39	103.18
5546	NASDAQ	PRFT	Wed, Mar 9, 2022	102.25	105.98	102.25	104.59
5545	NASDAQ	PRFT	Tue, Mar 8, 2022	97.55	104.52	96.01	102.37
5544	NASDAQ	PRFT	Mon, Mar 7, 2022	101.03	101.88	97.10	97.52
5543	NASDAQ	PRFT	Fri, Mar 4, 2022	103.16	103.99	99.11	101.07
5542	NASDAQ	PRFT	Thu, Mar 3, 2022	107.91	107.91	104.07	104.43
5541	NASDAQ	PRFT	Wed, Mar 2, 2022	101.82	106.52	101.20	106.21
5540	NASDAQ	PRFT	Tue, Mar 1, 2022	101.25	103.76	99.59	100.54
5539	NASDAQ	PRFT	Mon, Feb 28, 2022	105.03	105.31	99.79	101.90
5538	NASDAQ	PRFT	Fri, Feb 25, 2022	104.12	105.57	101.23	105.36
5537	NASDAQ	PRFT	Thu, Feb 24, 2022	91.53	103.52	90.03	102.98
5536	NASDAQ	PRFT	Wed, Feb 23, 2022	100.58	100.59	94.41	94.82
5535	NASDAQ	PRFT	Tue, Feb 22, 2022	99.87	101.31	97.55	98.61
5534	NASDAQ	PRFT	Fri, Feb 18, 2022	101.01	103.30	99.62	101.16
5533	NASDAQ	PRFT	Thu, Feb 17, 2022	104.71	104.71	100.07	100.67
5532	NASDAQ	PRFT	Wed, Feb 16, 2022	102.86	106.40	101.70	105.98
5531	NASDAQ	PRFT	Tue, Feb 15, 2022	102.67	104.33	102.32	104.23
5530	NASDAQ	PRFT	Mon, Feb 14, 2022	100.74	103.03	99.34	100.82
5529	NASDAQ	PRFT	Fri, Feb 11, 2022	105.34	105.44	100.03	100.86
5528	NASDAQ	PRFT	Thu, Feb 10, 2022	104.77	108.12	103.70	104.61
5527	NASDAQ	PRFT	Wed, Feb 9, 2022	106.65	108.00	105.56	107.14
5526	NASDAQ	PRFT	Tue, Feb 8, 2022	102.20	104.74	101.51	104.33
5525	NASDAQ	PRFT	Mon, Feb 7, 2022	103.96	105.00	101.52	102.40
5524	NASDAQ	PRFT	Fri, Feb 4, 2022	100.50	105.12	100.12	103.96
5523	NASDAQ	PRFT	Thu, Feb 3, 2022	102.16	104.11	100.49	101.66
5522	NASDAQ	PRFT	Wed, Feb 2, 2022	106.40	106.64	103.45	104.35
5521	NASDAQ	PRFT	Tue, Feb 1, 2022	105.06	106.12	103.01	105.81
5520	NASDAQ	PRFT	Mon, Jan 31, 2022	99.73	105.12	99.73	104.82
5519	NASDAQ	PRFT	Fri, Jan 28, 2022	95.47	99.38	94.16	99.33
5518	NASDAQ	PRFT	Thu, Jan 27, 2022	100.70	101.11	94.64	95.20
5517	NASDAQ	PRFT	Wed, Jan 26, 2022	98.87	103.20	97.42	99.47
5516	NASDAQ	PRFT	Tue, Jan 25, 2022	98.79	99.32	93.00	95.76
5515	NASDAQ	PRFT	Mon, Jan 24, 2022	96.86	102.14	94.59	101.41
5514	NASDAQ	PRFT	Fri, Jan 21, 2022	97.92	101.86	97.45	99.24
5513	NASDAQ	PRFT	Thu, Jan 20, 2022	98.76	102.72	98.49	98.73
5512	NASDAQ	PRFT	Wed, Jan 19, 2022	100.27	102.27	97.23	97.45
5511	NASDAQ	PRFT	Tue, Jan 18, 2022	98.68	101.58	98.22	99.71
5510	NASDAQ	PRFT	Fri, Jan 14, 2022	104.11	106.79	101.44	102.72
5509	NASDAQ	PRFT	Thu, Jan 13, 2022	109.40	111.31	104.85	105.12
5508	NASDAQ	PRFT	Wed, Jan 12, 2022	109.19	110.34	107.68	108.82
5507	NASDAQ	PRFT	Tue, Jan 11, 2022	107.56	109.25	105.29	108.58
5506	NASDAQ	PRFT	Mon, Jan 10, 2022	105.00	107.78	101.78	107.62
5505	NASDAQ	PRFT	Fri, Jan 7, 2022	116.59	117.96	111.08	111.53
5504	NASDAQ	PRFT	Thu, Jan 6, 2022	116.00	117.81	112.27	116.19
5503	NASDAQ	PRFT	Wed, Jan 5, 2022	119.01	121.90	116.18	116.46
5502	NASDAQ	PRFT	Tue, Jan 4, 2022	125.26	126.09	118.54	121.59
5501	NASDAQ	PRFT	Mon, Jan 3, 2022	130.65	133.12	124.59	125.44
5500	NASDAQ	PRFT	Fri, Dec 31, 2021	129.43	131.44	128.35	129.29
5499	NASDAQ	PRFT	Thu, Dec 30, 2021	132.75	133.77	129.79	129.85
5498	NASDAQ	PRFT	Wed, Dec 29, 2021	132.41	133.60	131.18	133.31
5497	NASDAQ	PRFT	Tue, Dec 28, 2021	137.75	137.75	131.72	132.32
5496	NASDAQ	PRFT	Mon, Dec 27, 2021	131.34	136.40	130.80	136.31
5495	NASDAQ	PRFT	Thu, Dec 23, 2021	127.80	131.41	125.42	130.52
5494	NASDAQ	PRFT	Wed, Dec 22, 2021	126.49	127.80	125.24	127.57
5493	NASDAQ	PRFT	Tue, Dec 21, 2021	123.78	127.67	121.91	126.54
5492	NASDAQ	PRFT	Mon, Dec 20, 2021	119.14	123.38	117.87	122.08
5491	NASDAQ	PRFT	Fri, Dec 17, 2021	117.45	123.95	115.69	121.88
5490	NASDAQ	PRFT	Thu, Dec 16, 2021	130.00	132.02	120.63	120.75
5489	NASDAQ	PRFT	Wed, Dec 15, 2021	126.89	130.10	123.25	128.88
5488	NASDAQ	PRFT	Tue, Dec 14, 2021	128.26	132.57	126.17	126.89
5487	NASDAQ	PRFT	Mon, Dec 13, 2021	139.44	140.55	130.64	130.66
5486	NASDAQ	PRFT	Fri, Dec 10, 2021	139.79	141.74	138.02	139.95
5485	NASDAQ	PRFT	Thu, Dec 9, 2021	136.41	141.25	136.41	139.74
5484	NASDAQ	PRFT	Wed, Dec 8, 2021	134.70	137.33	133.10	136.90
5483	NASDAQ	PRFT	Tue, Dec 7, 2021	131.26	136.98	131.26	134.37
5482	NASDAQ	PRFT	Mon, Dec 6, 2021	127.88	129.72	123.13	127.90
5481	NASDAQ	PRFT	Fri, Dec 3, 2021	134.79	136.20	126.28	128.53
5480	NASDAQ	PRFT	Thu, Dec 2, 2021	128.68	134.74	127.18	134.08
5479	NASDAQ	PRFT	Wed, Dec 1, 2021	140.91	140.91	129.31	129.33
5478	NASDAQ	PRFT	Tue, Nov 30, 2021	138.37	139.37	134.00	137.03
5477	NASDAQ	PRFT	Mon, Nov 29, 2021	136.42	140.90	135.88	138.36
5476	NASDAQ	PRFT	Fri, Nov 26, 2021	137.56	138.97	133.17	134.24
5475	NASDAQ	PRFT	Wed, Nov 24, 2021	135.00	139.73	133.25	139.49
5474	NASDAQ	PRFT	Tue, Nov 23, 2021	137.99	140.60	134.27	136.72
5473	NASDAQ	PRFT	Mon, Nov 22, 2021	146.80	148.37	135.78	138.76
5472	NASDAQ	PRFT	Fri, Nov 19, 2021	146.70	149.35	145.55	146.63
5471	NASDAQ	PRFT	Thu, Nov 18, 2021	145.48	147.36	143.55	146.77
5470	NASDAQ	PRFT	Wed, Nov 17, 2021	142.94	145.78	141.85	144.39
5469	NASDAQ	PRFT	Tue, Nov 16, 2021	139.89	144.13	139.59	143.60
5468	NASDAQ	PRFT	Mon, Nov 15, 2021	140.53	142.72	137.71	140.79
5467	NASDAQ	PRFT	Fri, Nov 12, 2021	141.94	143.23	140.42	140.81
5466	NASDAQ	PRFT	Thu, Nov 11, 2021	142.99	145.60	141.00	141.25
5465	NASDAQ	PRFT	Wed, Nov 10, 2021	146.57	149.01	140.29	142.05
5464	NASDAQ	PRFT	Tue, Nov 9, 2021	149.01	149.63	145.81	148.26
5463	NASDAQ	PRFT	Mon, Nov 8, 2021	148.58	150.00	145.64	148.59
5462	NASDAQ	PRFT	Fri, Nov 5, 2021	149.01	153.28	146.59	148.24
5461	NASDAQ	PRFT	Thu, Nov 4, 2021	137.00	150.93	135.00	148.84
5460	NASDAQ	PRFT	Wed, Nov 3, 2021	125.25	131.92	125.25	131.33
5459	NASDAQ	PRFT	Tue, Nov 2, 2021	124.27	127.23	123.00	125.23
5458	NASDAQ	PRFT	Mon, Nov 1, 2021	123.65	125.67	121.62	123.91
5457	NASDAQ	PRFT	Fri, Oct 29, 2021	124.66	127.96	123.31	123.60
5456	NASDAQ	PRFT	Thu, Oct 28, 2021	121.78	128.27	121.61	124.79
5455	NASDAQ	PRFT	Wed, Oct 27, 2021	122.49	123.33	120.20	121.90
5454	NASDAQ	PRFT	Tue, Oct 26, 2021	125.21	125.53	122.08	123.19
5453	NASDAQ	PRFT	Mon, Oct 25, 2021	124.69	126.53	124.25	124.71
5452	NASDAQ	PRFT	Fri, Oct 22, 2021	122.49	125.05	122.18	123.87
5451	NASDAQ	PRFT	Thu, Oct 21, 2021	126.00	126.25	120.38	122.22
5450	NASDAQ	PRFT	Wed, Oct 20, 2021	133.00	133.28	125.07	126.24
5449	NASDAQ	PRFT	Tue, Oct 19, 2021	134.00	134.84	132.01	132.96
5448	NASDAQ	PRFT	Mon, Oct 18, 2021	129.39	134.60	128.94	132.87
5447	NASDAQ	PRFT	Fri, Oct 15, 2021	130.09	130.56	128.28	128.80
5446	NASDAQ	PRFT	Thu, Oct 14, 2021	127.88	130.86	127.66	129.88
5445	NASDAQ	PRFT	Wed, Oct 13, 2021	125.19	127.45	124.00	126.34
5444	NASDAQ	PRFT	Tue, Oct 12, 2021	121.75	125.29	120.90	123.82
5443	NASDAQ	PRFT	Mon, Oct 11, 2021	120.01	121.56	119.21	120.90
5442	NASDAQ	PRFT	Fri, Oct 8, 2021	123.05	123.59	120.21	120.88
5441	NASDAQ	PRFT	Thu, Oct 7, 2021	121.17	124.71	121.00	122.86
5440	NASDAQ	PRFT	Wed, Oct 6, 2021	118.54	120.18	117.08	119.89
5439	NASDAQ	PRFT	Tue, Oct 5, 2021	120.11	121.50	118.50	120.05
5438	NASDAQ	PRFT	Mon, Oct 4, 2021	118.84	119.99	116.77	119.31
5437	NASDAQ	PRFT	Fri, Oct 1, 2021	116.84	120.76	115.40	119.37
5436	NASDAQ	PRFT	Thu, Sep 30, 2021	119.18	120.08	115.63	115.70
5435	NASDAQ	PRFT	Wed, Sep 29, 2021	118.12	120.39	117.50	118.60
5434	NASDAQ	PRFT	Tue, Sep 28, 2021	119.28	119.28	116.79	117.24
5433	NASDAQ	PRFT	Mon, Sep 27, 2021	122.97	123.01	119.60	121.45
5432	NASDAQ	PRFT	Fri, Sep 24, 2021	121.30	123.31	120.27	123.06
5431	NASDAQ	PRFT	Thu, Sep 23, 2021	120.86	123.63	119.34	122.29
5430	NASDAQ	PRFT	Wed, Sep 22, 2021	115.90	119.86	115.15	119.38
5429	NASDAQ	PRFT	Tue, Sep 21, 2021	114.83	117.21	113.80	115.92
5428	NASDAQ	PRFT	Mon, Sep 20, 2021	112.24	114.92	110.55	113.37
5427	NASDAQ	PRFT	Fri, Sep 17, 2021	117.00	117.64	115.26	115.50
5426	NASDAQ	PRFT	Thu, Sep 16, 2021	117.36	118.07	117.02	117.19
5425	NASDAQ	PRFT	Wed, Sep 15, 2021	117.09	119.08	116.04	117.66
5424	NASDAQ	PRFT	Tue, Sep 14, 2021	116.30	118.92	115.91	116.71
5423	NASDAQ	PRFT	Mon, Sep 13, 2021	118.95	118.97	113.86	116.05
5422	NASDAQ	PRFT	Fri, Sep 10, 2021	120.68	121.50	118.51	118.51
5421	NASDAQ	PRFT	Thu, Sep 9, 2021	119.53	121.36	119.53	120.31
5420	NASDAQ	PRFT	Wed, Sep 8, 2021	118.76	120.78	118.59	119.42
5419	NASDAQ	PRFT	Tue, Sep 7, 2021	122.78	122.78	117.39	118.76
5418	NASDAQ	PRFT	Fri, Sep 3, 2021	118.23	121.97	118.23	121.67
5417	NASDAQ	PRFT	Thu, Sep 2, 2021	118.11	120.68	117.67	118.09
5416	NASDAQ	PRFT	Wed, Sep 1, 2021	119.99	120.01	116.77	117.83
5415	NASDAQ	PRFT	Tue, Aug 31, 2021	118.21	120.00	116.47	119.22
5414	NASDAQ	PRFT	Mon, Aug 30, 2021	117.50	119.36	115.41	118.70
5413	NASDAQ	PRFT	Fri, Aug 27, 2021	113.69	116.95	113.50	116.08
5412	NASDAQ	PRFT	Thu, Aug 26, 2021	112.19	113.76	110.08	113.03
5411	NASDAQ	PRFT	Wed, Aug 25, 2021	109.20	112.67	109.20	112.00
5410	NASDAQ	PRFT	Tue, Aug 24, 2021	108.83	109.11	107.05	108.94
5409	NASDAQ	PRFT	Mon, Aug 23, 2021	106.95	109.06	106.18	108.25
5408	NASDAQ	PRFT	Fri, Aug 20, 2021	103.25	106.26	102.74	106.11
5407	NASDAQ	PRFT	Thu, Aug 19, 2021	102.58	104.17	101.50	103.49
5406	NASDAQ	PRFT	Wed, Aug 18, 2021	104.32	107.78	103.75	103.85
5405	NASDAQ	PRFT	Tue, Aug 17, 2021	107.00	107.44	103.64	105.05
5404	NASDAQ	PRFT	Mon, Aug 16, 2021	103.29	105.47	102.50	105.46
5403	NASDAQ	PRFT	Fri, Aug 13, 2021	102.60	104.16	102.07	103.09
5402	NASDAQ	PRFT	Thu, Aug 12, 2021	100.74	102.93	99.80	102.51
5401	NASDAQ	PRFT	Wed, Aug 11, 2021	102.90	103.13	96.93	100.71
5400	NASDAQ	PRFT	Tue, Aug 10, 2021	101.95	103.58	101.58	102.53
5399	NASDAQ	PRFT	Mon, Aug 9, 2021	100.89	102.17	98.65	101.66
5398	NASDAQ	PRFT	Fri, Aug 6, 2021	100.84	102.09	100.29	100.65
5397	NASDAQ	PRFT	Thu, Aug 5, 2021	99.74	101.53	98.61	101.12
5396	NASDAQ	PRFT	Wed, Aug 4, 2021	97.67	99.79	97.11	99.20
5395	NASDAQ	PRFT	Tue, Aug 3, 2021	95.26	98.46	95.26	98.00
5394	NASDAQ	PRFT	Mon, Aug 2, 2021	95.00	96.72	94.50	95.37
5393	NASDAQ	PRFT	Fri, Jul 30, 2021	96.61	96.87	93.33	94.29
5392	NASDAQ	PRFT	Thu, Jul 29, 2021	90.06	95.40	90.06	94.51
5391	NASDAQ	PRFT	Wed, Jul 28, 2021	86.34	87.51	86.00	86.51
5390	NASDAQ	PRFT	Tue, Jul 27, 2021	84.42	85.90	82.43	85.69
5389	NASDAQ	PRFT	Mon, Jul 26, 2021	84.17	84.90	83.90	84.76
5388	NASDAQ	PRFT	Fri, Jul 23, 2021	83.25	84.35	82.88	83.94
5387	NASDAQ	PRFT	Thu, Jul 22, 2021	85.84	87.05	82.88	83.13
5386	NASDAQ	PRFT	Wed, Jul 21, 2021	84.00	84.94	83.86	83.99
5385	NASDAQ	PRFT	Tue, Jul 20, 2021	83.28	85.35	83.28	83.81
5384	NASDAQ	PRFT	Mon, Jul 19, 2021	81.91	82.84	80.70	82.76
5383	NASDAQ	PRFT	Fri, Jul 16, 2021	83.70	84.30	82.56	82.82
5382	NASDAQ	PRFT	Thu, Jul 15, 2021	83.46	83.93	82.61	83.17
5381	NASDAQ	PRFT	Wed, Jul 14, 2021	83.63	84.63	83.51	83.77
5380	NASDAQ	PRFT	Tue, Jul 13, 2021	83.64	83.86	83.09	83.21
5379	NASDAQ	PRFT	Mon, Jul 12, 2021	83.06	83.97	82.31	83.54
5378	NASDAQ	PRFT	Fri, Jul 9, 2021	82.01	83.09	82.01	82.95
5377	NASDAQ	PRFT	Thu, Jul 8, 2021	81.45	82.93	80.37	81.57
5376	NASDAQ	PRFT	Wed, Jul 7, 2021	82.23	83.88	82.23	82.83
5375	NASDAQ	PRFT	Tue, Jul 6, 2021	82.81	82.97	81.32	82.13
5374	NASDAQ	PRFT	Fri, Jul 2, 2021	82.45	83.00	81.73	82.50
5373	NASDAQ	PRFT	Thu, Jul 1, 2021	80.34	82.41	80.34	81.98
5372	NASDAQ	PRFT	Wed, Jun 30, 2021	80.48	80.81	79.75	80.42
5371	NASDAQ	PRFT	Tue, Jun 29, 2021	81.79	82.21	80.73	80.86
5370	NASDAQ	PRFT	Mon, Jun 28, 2021	80.94	81.99	80.17	81.65
5369	NASDAQ	PRFT	Fri, Jun 25, 2021	82.13	82.27	80.63	80.78
5368	NASDAQ	PRFT	Thu, Jun 24, 2021	81.44	82.51	81.17	82.13
5367	NASDAQ	PRFT	Wed, Jun 23, 2021	80.84	81.47	80.33	80.87
5366	NASDAQ	PRFT	Tue, Jun 22, 2021	79.88	80.56	78.84	80.55
5365	NASDAQ	PRFT	Mon, Jun 21, 2021	80.25	81.52	79.75	80.11
5364	NASDAQ	PRFT	Fri, Jun 18, 2021	79.19	80.27	78.67	79.76
5363	NASDAQ	PRFT	Thu, Jun 17, 2021	78.05	79.30	78.03	79.18
5362	NASDAQ	PRFT	Wed, Jun 16, 2021	77.40	78.35	77.16	78.07
5361	NASDAQ	PRFT	Tue, Jun 15, 2021	77.07	77.77	76.74	77.53
5360	NASDAQ	PRFT	Mon, Jun 14, 2021	76.67	77.20	75.96	76.78
5359	NASDAQ	PRFT	Fri, Jun 11, 2021	76.41	76.99	75.20	76.96
5358	NASDAQ	PRFT	Thu, Jun 10, 2021	74.41	76.00	73.93	75.96
5357	NASDAQ	PRFT	Wed, Jun 9, 2021	75.00	75.31	73.93	74.20
5356	NASDAQ	PRFT	Tue, Jun 8, 2021	73.52	74.90	73.43	74.87
5355	NASDAQ	PRFT	Mon, Jun 7, 2021	73.77	74.59	72.76	73.51
5354	NASDAQ	PRFT	Fri, Jun 4, 2021	71.78	73.74	71.20	73.53
5353	NASDAQ	PRFT	Thu, Jun 3, 2021	72.01	72.04	71.15	71.30
5352	NASDAQ	PRFT	Wed, Jun 2, 2021	71.73	73.05	71.65	72.36
5351	NASDAQ	PRFT	Tue, Jun 1, 2021	72.55	72.87	71.13	72.46
5350	NASDAQ	PRFT	Fri, May 28, 2021	72.18	72.55	71.25	71.59
5349	NASDAQ	PRFT	Thu, May 27, 2021	73.36	73.83	71.70	71.92
5348	NASDAQ	PRFT	Wed, May 26, 2021	73.53	74.16	72.57	72.85
5347	NASDAQ	PRFT	Tue, May 25, 2021	74.02	74.89	73.05	73.21
5346	NASDAQ	PRFT	Mon, May 24, 2021	73.89	74.18	73.37	73.80
5345	NASDAQ	PRFT	Fri, May 21, 2021	73.58	74.05	73.03	73.17
5344	NASDAQ	PRFT	Thu, May 20, 2021	71.03	73.67	70.89	72.87
5343	NASDAQ	PRFT	Wed, May 19, 2021	69.36	70.77	69.01	70.64
5342	NASDAQ	PRFT	Tue, May 18, 2021	70.90	71.77	70.41	70.41
5341	NASDAQ	PRFT	Mon, May 17, 2021	70.56	71.46	70.25	71.09
5340	NASDAQ	PRFT	Fri, May 14, 2021	68.62	70.77	68.62	70.60
5339	NASDAQ	PRFT	Thu, May 13, 2021	68.59	71.32	66.92	69.76
5338	NASDAQ	PRFT	Wed, May 12, 2021	67.64	68.89	66.74	68.48
5337	NASDAQ	PRFT	Tue, May 11, 2021	66.85	68.84	66.36	68.34
5336	NASDAQ	PRFT	Mon, May 10, 2021	68.77	68.99	68.02	68.31
5335	NASDAQ	PRFT	Fri, May 7, 2021	67.19	68.83	66.76	68.62
5334	NASDAQ	PRFT	Thu, May 6, 2021	66.49	67.55	65.24	67.50
5333	NASDAQ	PRFT	Wed, May 5, 2021	67.20	67.93	65.86	66.84
5332	NASDAQ	PRFT	Tue, May 4, 2021	65.69	67.36	65.69	67.19
5331	NASDAQ	PRFT	Mon, May 3, 2021	65.96	66.65	65.05	66.28
5330	NASDAQ	PRFT	Fri, Apr 30, 2021	65.22	65.87	63.85	65.61
5329	NASDAQ	PRFT	Thu, Apr 29, 2021	65.04	65.49	63.60	65.14
5328	NASDAQ	PRFT	Wed, Apr 28, 2021	63.86	64.78	63.65	63.89
5327	NASDAQ	PRFT	Tue, Apr 27, 2021	65.34	65.98	63.71	64.03
5326	NASDAQ	PRFT	Mon, Apr 26, 2021	64.20	66.35	63.45	64.97
5325	NASDAQ	PRFT	Fri, Apr 23, 2021	63.15	64.98	63.15	64.19
5324	NASDAQ	PRFT	Thu, Apr 22, 2021	63.85	64.05	62.91	63.13
5323	NASDAQ	PRFT	Wed, Apr 21, 2021	63.03	63.97	62.97	63.76
5322	NASDAQ	PRFT	Tue, Apr 20, 2021	63.43	64.19	62.33	63.09
5321	NASDAQ	PRFT	Mon, Apr 19, 2021	64.60	65.05	63.35	63.83
5320	NASDAQ	PRFT	Fri, Apr 16, 2021	65.59	65.63	64.36	64.73
5319	NASDAQ	PRFT	Thu, Apr 15, 2021	64.41	65.19	64.10	65.08
5318	NASDAQ	PRFT	Wed, Apr 14, 2021	63.92	64.51	63.54	63.84
5317	NASDAQ	PRFT	Tue, Apr 13, 2021	63.66	63.89	62.56	63.56
5316	NASDAQ	PRFT	Mon, Apr 12, 2021	62.50	63.79	62.14	63.49
5315	NASDAQ	PRFT	Fri, Apr 9, 2021	60.91	62.92	59.75	62.83
5314	NASDAQ	PRFT	Thu, Apr 8, 2021	62.56	63.53	59.20	61.21
5313	NASDAQ	PRFT	Wed, Apr 7, 2021	61.37	66.14	61.37	62.43
5312	NASDAQ	PRFT	Tue, Apr 6, 2021	61.33	61.64	60.74	61.39
5311	NASDAQ	PRFT	Mon, Apr 5, 2021	61.32	61.79	60.38	61.38
5310	NASDAQ	PRFT	Thu, Apr 1, 2021	59.24	61.02	59.13	61.00
5309	NASDAQ	PRFT	Wed, Mar 31, 2021	58.33	59.46	58.00	58.72
5308	NASDAQ	PRFT	Tue, Mar 30, 2021	57.94	59.03	57.28	58.52
5307	NASDAQ	PRFT	Mon, Mar 29, 2021	59.87	61.03	58.31	58.53
5306	NASDAQ	PRFT	Fri, Mar 26, 2021	58.96	60.25	58.35	60.25
5305	NASDAQ	PRFT	Thu, Mar 25, 2021	57.11	58.95	57.01	58.58
5304	NASDAQ	PRFT	Wed, Mar 24, 2021	59.52	60.09	57.86	57.87
5303	NASDAQ	PRFT	Tue, Mar 23, 2021	60.82	61.70	58.66	59.10
5302	NASDAQ	PRFT	Mon, Mar 22, 2021	61.76	62.17	61.23	61.31
5301	NASDAQ	PRFT	Fri, Mar 19, 2021	61.47	62.54	61.00	61.66
5300	NASDAQ	PRFT	Thu, Mar 18, 2021	61.40	62.95	60.88	61.39
5299	NASDAQ	PRFT	Wed, Mar 17, 2021	61.42	62.20	60.84	62.11
5298	NASDAQ	PRFT	Tue, Mar 16, 2021	61.38	61.70	61.00	61.36
5297	NASDAQ	PRFT	Mon, Mar 15, 2021	60.52	61.63	60.22	61.40
5296	NASDAQ	PRFT	Fri, Mar 12, 2021	60.31	60.90	59.91	60.72
5295	NASDAQ	PRFT	Thu, Mar 11, 2021	60.00	60.92	59.63	60.52
5294	NASDAQ	PRFT	Wed, Mar 10, 2021	58.63	59.77	58.53	59.43
5293	NASDAQ	PRFT	Tue, Mar 9, 2021	58.61	59.45	58.29	58.35
5292	NASDAQ	PRFT	Mon, Mar 8, 2021	56.88	58.23	55.66	57.64
5291	NASDAQ	PRFT	Fri, Mar 5, 2021	56.40	56.72	54.12	56.57
5290	NASDAQ	PRFT	Thu, Mar 4, 2021	55.88	56.46	54.26	55.03
5289	NASDAQ	PRFT	Wed, Mar 3, 2021	57.40	57.79	55.69	56.09
5288	NASDAQ	PRFT	Tue, Mar 2, 2021	58.02	59.44	56.70	56.97
5287	NASDAQ	PRFT	Mon, Mar 1, 2021	56.83	58.54	56.73	58.15
5286	NASDAQ	PRFT	Fri, Feb 26, 2021	57.33	57.84	54.78	55.69
5285	NASDAQ	PRFT	Thu, Feb 25, 2021	58.37	59.07	55.61	56.11
5284	NASDAQ	PRFT	Wed, Feb 24, 2021	56.82	58.67	56.10	58.40
5283	NASDAQ	PRFT	Tue, Feb 23, 2021	56.42	57.53	55.30	57.19
5282	NASDAQ	PRFT	Mon, Feb 22, 2021	58.78	59.43	57.92	58.08
5281	NASDAQ	PRFT	Fri, Feb 19, 2021	58.66	59.90	57.64	59.32
5280	NASDAQ	PRFT	Thu, Feb 18, 2021	60.05	60.19	58.21	58.33
5279	NASDAQ	PRFT	Wed, Feb 17, 2021	60.46	60.47	59.29	60.29
5278	NASDAQ	PRFT	Tue, Feb 16, 2021	61.49	61.62	60.13	60.63
5277	NASDAQ	PRFT	Fri, Feb 12, 2021	62.87	63.44	61.48	61.56
5276	NASDAQ	PRFT	Thu, Feb 11, 2021	62.95	63.56	61.45	62.65
5275	NASDAQ	PRFT	Wed, Feb 10, 2021	62.78	62.87	61.98	62.50
5274	NASDAQ	PRFT	Tue, Feb 9, 2021	62.33	63.01	61.97	62.38
5273	NASDAQ	PRFT	Mon, Feb 8, 2021	61.67	62.82	61.58	62.51
5272	NASDAQ	PRFT	Fri, Feb 5, 2021	61.05	61.35	59.94	61.29
5271	NASDAQ	PRFT	Thu, Feb 4, 2021	59.61	61.40	59.24	60.40
5270	NASDAQ	PRFT	Wed, Feb 3, 2021	58.79	59.37	57.84	59.17
5269	NASDAQ	PRFT	Tue, Feb 2, 2021	57.04	59.19	57.00	58.90
5268	NASDAQ	PRFT	Mon, Feb 1, 2021	55.02	57.17	55.02	56.74
5267	NASDAQ	PRFT	Fri, Jan 29, 2021	54.93	56.12	54.15	54.61
5266	NASDAQ	PRFT	Thu, Jan 28, 2021	55.32	56.55	54.14	55.05
5265	NASDAQ	PRFT	Wed, Jan 27, 2021	53.80	56.42	53.53	55.16
5264	NASDAQ	PRFT	Tue, Jan 26, 2021	54.45	55.01	53.94	54.75
5263	NASDAQ	PRFT	Mon, Jan 25, 2021	52.80	54.27	52.67	54.21
5262	NASDAQ	PRFT	Fri, Jan 22, 2021	51.96	53.34	50.53	52.93
5261	NASDAQ	PRFT	Thu, Jan 21, 2021	51.89	53.24	51.65	52.55
5260	NASDAQ	PRFT	Wed, Jan 20, 2021	49.97	52.27	49.79	52.25
5259	NASDAQ	PRFT	Tue, Jan 19, 2021	49.03	49.79	48.90	49.69
5258	NASDAQ	PRFT	Fri, Jan 15, 2021	47.92	48.99	47.32	48.91
5257	NASDAQ	PRFT	Thu, Jan 14, 2021	47.75	48.52	47.13	48.22
5256	NASDAQ	PRFT	Wed, Jan 13, 2021	47.66	48.67	47.49	47.65
5255	NASDAQ	PRFT	Tue, Jan 12, 2021	47.68	47.78	46.02	47.29
5254	NASDAQ	PRFT	Mon, Jan 11, 2021	48.46	48.46	47.00	47.32
5253	NASDAQ	PRFT	Fri, Jan 8, 2021	49.12	49.82	48.33	48.77
5252	NASDAQ	PRFT	Thu, Jan 7, 2021	48.48	49.02	48.07	48.98
5251	NASDAQ	PRFT	Wed, Jan 6, 2021	46.96	49.25	46.96	48.45
5250	NASDAQ	PRFT	Tue, Jan 5, 2021	46.51	47.18	46.17	46.91
5249	NASDAQ	PRFT	Mon, Jan 4, 2021	47.86	48.05	46.24	46.45
5248	NASDAQ	PRFT	Thu, Dec 31, 2020	47.86	47.93	47.55	47.65
5247	NASDAQ	PRFT	Wed, Dec 30, 2020	47.66	48.09	47.26	47.73
5246	NASDAQ	PRFT	Tue, Dec 29, 2020	48.30	48.83	47.32	47.66
5245	NASDAQ	PRFT	Mon, Dec 28, 2020	48.45	48.86	48.01	48.05
5244	NASDAQ	PRFT	Thu, Dec 24, 2020	48.27	48.46	47.88	48.10
5243	NASDAQ	PRFT	Wed, Dec 23, 2020	48.41	48.89	48.06	48.10
5242	NASDAQ	PRFT	Tue, Dec 22, 2020	47.87	48.43	47.71	48.00
5241	NASDAQ	PRFT	Mon, Dec 21, 2020	48.08	48.64	47.19	47.87
5240	NASDAQ	PRFT	Fri, Dec 18, 2020	49.07	49.75	48.75	48.99
5239	NASDAQ	PRFT	Thu, Dec 17, 2020	47.27	49.10	47.27	48.89
5238	NASDAQ	PRFT	Wed, Dec 16, 2020	47.34	47.71	46.52	47.00
5237	NASDAQ	PRFT	Tue, Dec 15, 2020	46.68	47.12	45.95	47.09
5236	NASDAQ	PRFT	Mon, Dec 14, 2020	46.96	46.96	46.07	46.18
5235	NASDAQ	PRFT	Fri, Dec 11, 2020	46.32	47.20	46.32	46.69
5234	NASDAQ	PRFT	Thu, Dec 10, 2020	47.27	47.91	46.68	46.91
5233	NASDAQ	PRFT	Wed, Dec 9, 2020	47.84	48.36	46.67	47.56
5232	NASDAQ	PRFT	Tue, Dec 8, 2020	47.86	47.98	46.90	47.54
5231	NASDAQ	PRFT	Mon, Dec 7, 2020	49.00	49.35	46.63	48.31
5230	NASDAQ	PRFT	Fri, Dec 4, 2020	47.97	49.19	47.86	49.10
5229	NASDAQ	PRFT	Thu, Dec 3, 2020	46.59	48.28	46.45	48.19
5228	NASDAQ	PRFT	Wed, Dec 2, 2020	45.26	46.68	43.51	46.47
5227	NASDAQ	PRFT	Tue, Dec 1, 2020	46.05	46.29	45.51	45.55
5226	NASDAQ	PRFT	Mon, Nov 30, 2020	46.49	46.62	45.30	45.53
5225	NASDAQ	PRFT	Fri, Nov 27, 2020	47.06	47.30	46.37	46.74
5224	NASDAQ	PRFT	Wed, Nov 25, 2020	47.32	47.71	46.06	47.00
5223	NASDAQ	PRFT	Tue, Nov 24, 2020	47.15	47.74	46.12	47.60
5222	NASDAQ	PRFT	Mon, Nov 23, 2020	46.89	47.38	46.44	47.00
5221	NASDAQ	PRFT	Fri, Nov 20, 2020	46.30	47.38	46.03	46.64
5220	NASDAQ	PRFT	Thu, Nov 19, 2020	46.06	46.68	45.97	46.58
5219	NASDAQ	PRFT	Wed, Nov 18, 2020	46.46	47.00	45.70	46.08
5218	NASDAQ	PRFT	Tue, Nov 17, 2020	46.19	46.70	45.37	46.33
5217	NASDAQ	PRFT	Mon, Nov 16, 2020	46.50	47.36	46.50	46.81
5216	NASDAQ	PRFT	Fri, Nov 13, 2020	45.63	46.26	45.23	46.13
5215	NASDAQ	PRFT	Thu, Nov 12, 2020	45.01	45.48	43.04	45.13
5214	NASDAQ	PRFT	Wed, Nov 11, 2020	45.22	45.70	44.62	45.36
5213	NASDAQ	PRFT	Tue, Nov 10, 2020	44.37	45.05	44.11	45.02
5212	NASDAQ	PRFT	Mon, Nov 9, 2020	44.21	45.87	44.11	44.33
5211	NASDAQ	PRFT	Fri, Nov 6, 2020	42.95	43.26	42.52	42.77
5210	NASDAQ	PRFT	Thu, Nov 5, 2020	42.55	43.44	42.09	42.93
5209	NASDAQ	PRFT	Wed, Nov 4, 2020	42.00	43.06	41.59	42.29
5208	NASDAQ	PRFT	Tue, Nov 3, 2020	40.60	42.19	40.50	41.95
5207	NASDAQ	PRFT	Mon, Nov 2, 2020	39.62	40.26	39.52	40.15
5206	NASDAQ	PRFT	Fri, Oct 30, 2020	38.82	39.80	38.64	39.16
5205	NASDAQ	PRFT	Thu, Oct 29, 2020	40.38	40.42	37.42	38.42
5204	NASDAQ	PRFT	Wed, Oct 28, 2020	40.27	40.58	38.60	38.76
5203	NASDAQ	PRFT	Tue, Oct 27, 2020	41.75	42.02	40.92	41.18
5202	NASDAQ	PRFT	Mon, Oct 26, 2020	43.57	43.60	41.78	41.97
5201	NASDAQ	PRFT	Fri, Oct 23, 2020	44.31	44.31	43.30	43.91
5200	NASDAQ	PRFT	Thu, Oct 22, 2020	44.30	44.46	43.46	44.14
5199	NASDAQ	PRFT	Wed, Oct 21, 2020	44.44	45.16	44.13	44.31
5198	NASDAQ	PRFT	Tue, Oct 20, 2020	44.30	44.77	43.94	44.05
5197	NASDAQ	PRFT	Mon, Oct 19, 2020	45.38	46.00	43.87	44.07
5196	NASDAQ	PRFT	Fri, Oct 16, 2020	45.06	45.99	44.75	45.26
5195	NASDAQ	PRFT	Thu, Oct 15, 2020	43.93	45.11	42.25	45.01
5194	NASDAQ	PRFT	Wed, Oct 14, 2020	45.76	45.86	44.59	44.59
5193	NASDAQ	PRFT	Tue, Oct 13, 2020	45.09	45.48	44.67	45.36
5192	NASDAQ	PRFT	Mon, Oct 12, 2020	45.41	45.49	44.79	45.27
5191	NASDAQ	PRFT	Fri, Oct 9, 2020	45.22	45.44	44.84	45.10
5190	NASDAQ	PRFT	Thu, Oct 8, 2020	45.06	45.31	44.50	44.64
5189	NASDAQ	PRFT	Wed, Oct 7, 2020	43.92	44.57	43.54	44.40
5188	NASDAQ	PRFT	Tue, Oct 6, 2020	44.21	44.65	43.45	43.55
5187	NASDAQ	PRFT	Mon, Oct 5, 2020	43.84	44.00	43.39	43.88
5186	NASDAQ	PRFT	Fri, Oct 2, 2020	42.66	43.69	42.66	43.23
5185	NASDAQ	PRFT	Thu, Oct 1, 2020	42.80	43.76	42.80	43.63
5184	NASDAQ	PRFT	Wed, Sep 30, 2020	43.64	44.20	42.60	42.74
5183	NASDAQ	PRFT	Tue, Sep 29, 2020	42.81	43.77	42.81	43.65
5182	NASDAQ	PRFT	Mon, Sep 28, 2020	42.50	43.23	42.33	43.04
5181	NASDAQ	PRFT	Fri, Sep 25, 2020	41.26	42.21	40.92	42.15
5180	NASDAQ	PRFT	Thu, Sep 24, 2020	41.19	41.75	40.98	41.35
5179	NASDAQ	PRFT	Wed, Sep 23, 2020	42.71	42.98	41.36	41.57
5178	NASDAQ	PRFT	Tue, Sep 22, 2020	42.32	42.79	41.86	42.56
5177	NASDAQ	PRFT	Mon, Sep 21, 2020	41.60	42.48	40.85	42.00
5176	NASDAQ	PRFT	Fri, Sep 18, 2020	43.33	43.67	42.13	42.60
5175	NASDAQ	PRFT	Thu, Sep 17, 2020	42.76	43.52	42.51	42.82
5174	NASDAQ	PRFT	Wed, Sep 16, 2020	44.65	45.23	43.63	43.74
5173	NASDAQ	PRFT	Tue, Sep 15, 2020	43.96	44.63	43.53	44.35
5172	NASDAQ	PRFT	Mon, Sep 14, 2020	42.46	43.75	41.85	43.55
5171	NASDAQ	PRFT	Fri, Sep 11, 2020	42.04	42.41	41.63	42.16
5170	NASDAQ	PRFT	Thu, Sep 10, 2020	42.03	42.48	41.50	41.86
5169	NASDAQ	PRFT	Wed, Sep 9, 2020	41.49	41.93	41.12	41.55
5168	NASDAQ	PRFT	Tue, Sep 8, 2020	40.66	41.68	40.19	40.92
5167	NASDAQ	PRFT	Fri, Sep 4, 2020	42.77	42.88	40.06	41.29
5166	NASDAQ	PRFT	Thu, Sep 3, 2020	45.78	45.78	41.91	42.43
5165	NASDAQ	PRFT	Wed, Sep 2, 2020	44.09	45.91	43.54	45.61
5164	NASDAQ	PRFT	Tue, Sep 1, 2020	42.80	43.76	42.73	43.67
5163	NASDAQ	PRFT	Mon, Aug 31, 2020	43.87	43.97	42.88	42.91
5162	NASDAQ	PRFT	Fri, Aug 28, 2020	44.20	44.31	43.84	43.97
5161	NASDAQ	PRFT	Thu, Aug 27, 2020	44.39	44.44	43.53	43.85
5160	NASDAQ	PRFT	Wed, Aug 26, 2020	44.82	44.88	44.03	44.08
5159	NASDAQ	PRFT	Tue, Aug 25, 2020	44.48	44.81	44.21	44.55
5158	NASDAQ	PRFT	Mon, Aug 24, 2020	44.24	44.69	43.87	44.47
5157	NASDAQ	PRFT	Fri, Aug 21, 2020	44.14	44.30	43.36	43.73
5156	NASDAQ	PRFT	Thu, Aug 20, 2020	43.24	44.48	42.79	44.06
5155	NASDAQ	PRFT	Wed, Aug 19, 2020	42.99	43.99	42.66	43.63
5154	NASDAQ	PRFT	Tue, Aug 18, 2020	42.96	43.05	42.29	42.79
5153	NASDAQ	PRFT	Mon, Aug 17, 2020	42.59	43.58	42.58	42.96
5152	NASDAQ	PRFT	Fri, Aug 14, 2020	42.60	43.17	42.28	42.62
5151	NASDAQ	PRFT	Thu, Aug 13, 2020	41.81	42.95	41.58	42.70
5150	NASDAQ	PRFT	Wed, Aug 12, 2020	41.06	43.63	40.71	42.17
5149	NASDAQ	PRFT	Tue, Aug 11, 2020	40.00	41.28	39.84	40.53
5148	NASDAQ	PRFT	Mon, Aug 10, 2020	41.71	42.04	40.73	40.85
5147	NASDAQ	PRFT	Fri, Aug 7, 2020	40.35	42.02	40.13	41.68
5146	NASDAQ	PRFT	Thu, Aug 6, 2020	40.14	41.22	40.11	40.84
5145	NASDAQ	PRFT	Wed, Aug 5, 2020	41.12	41.15	40.14	40.42
5144	NASDAQ	PRFT	Tue, Aug 4, 2020	40.92	41.36	39.40	40.53
5143	NASDAQ	PRFT	Mon, Aug 3, 2020	39.26	41.26	39.03	41.18
5142	NASDAQ	PRFT	Fri, Jul 31, 2020	39.86	39.97	38.24	39.21
5141	NASDAQ	PRFT	Thu, Jul 30, 2020	39.15	39.41	37.19	38.97
5140	NASDAQ	PRFT	Wed, Jul 29, 2020	36.31	38.14	36.31	37.79
5139	NASDAQ	PRFT	Tue, Jul 28, 2020	36.72	37.09	36.19	36.31
5138	NASDAQ	PRFT	Mon, Jul 27, 2020	35.80	37.08	35.06	36.91
5137	NASDAQ	PRFT	Fri, Jul 24, 2020	36.68	37.24	36.13	36.20
5136	NASDAQ	PRFT	Thu, Jul 23, 2020	36.72	37.27	36.65	36.94
5135	NASDAQ	PRFT	Wed, Jul 22, 2020	36.34	37.14	36.34	36.96
5134	NASDAQ	PRFT	Tue, Jul 21, 2020	36.90	37.15	36.32	36.45
5133	NASDAQ	PRFT	Mon, Jul 20, 2020	35.70	36.87	35.16	36.63
5132	NASDAQ	PRFT	Fri, Jul 17, 2020	34.82	35.92	34.82	35.84
5131	NASDAQ	PRFT	Thu, Jul 16, 2020	34.70	34.97	34.34	34.90
5130	NASDAQ	PRFT	Wed, Jul 15, 2020	34.18	35.22	34.18	35.02
5129	NASDAQ	PRFT	Tue, Jul 14, 2020	33.20	33.49	32.42	33.48
5128	NASDAQ	PRFT	Mon, Jul 13, 2020	34.48	34.72	33.33	33.36
5127	NASDAQ	PRFT	Fri, Jul 10, 2020	33.32	33.92	33.04	33.85
5126	NASDAQ	PRFT	Thu, Jul 9, 2020	34.48	34.89	33.10	33.24
5125	NASDAQ	PRFT	Wed, Jul 8, 2020	34.38	34.66	33.76	34.57
5124	NASDAQ	PRFT	Tue, Jul 7, 2020	35.27	35.80	34.35	34.45
5123	NASDAQ	PRFT	Mon, Jul 6, 2020	36.03	36.32	35.40	35.65
5122	NASDAQ	PRFT	Thu, Jul 2, 2020	36.24	36.50	35.40	35.46
5121	NASDAQ	PRFT	Wed, Jul 1, 2020	35.87	36.23	35.33	35.73
5120	NASDAQ	PRFT	Tue, Jun 30, 2020	35.29	36.22	35.04	35.78
5119	NASDAQ	PRFT	Mon, Jun 29, 2020	34.29	35.33	33.82	35.32
5118	NASDAQ	PRFT	Fri, Jun 26, 2020	34.79	35.00	33.86	34.00
5117	NASDAQ	PRFT	Thu, Jun 25, 2020	33.49	34.75	33.12	34.71
5116	NASDAQ	PRFT	Wed, Jun 24, 2020	35.07	35.07	33.19	33.54
5115	NASDAQ	PRFT	Tue, Jun 23, 2020	35.57	35.74	34.94	35.39
5114	NASDAQ	PRFT	Mon, Jun 22, 2020	35.30	35.68	34.87	35.17
5113	NASDAQ	PRFT	Fri, Jun 19, 2020	36.29	36.62	35.05	35.41
5112	NASDAQ	PRFT	Thu, Jun 18, 2020	35.61	36.00	34.99	35.58
5111	NASDAQ	PRFT	Wed, Jun 17, 2020	35.65	36.22	35.23	35.70
5110	NASDAQ	PRFT	Tue, Jun 16, 2020	36.56	36.67	35.00	35.30
5109	NASDAQ	PRFT	Mon, Jun 15, 2020	33.30	35.42	32.84	35.26
5108	NASDAQ	PRFT	Fri, Jun 12, 2020	34.61	34.90	33.43	34.35
5107	NASDAQ	PRFT	Thu, Jun 11, 2020	34.87	34.90	32.74	33.36
5106	NASDAQ	PRFT	Wed, Jun 10, 2020	36.05	36.79	35.59	36.38
5105	NASDAQ	PRFT	Tue, Jun 9, 2020	36.88	36.88	36.12	36.19
5104	NASDAQ	PRFT	Mon, Jun 8, 2020	37.46	37.91	37.02	37.10
5103	NASDAQ	PRFT	Fri, Jun 5, 2020	36.46	37.82	36.08	36.93
5102	NASDAQ	PRFT	Thu, Jun 4, 2020	36.53	36.76	35.28	35.45
5101	NASDAQ	PRFT	Wed, Jun 3, 2020	35.71	37.28	35.60	36.98
5100	NASDAQ	PRFT	Tue, Jun 2, 2020	34.07	36.25	33.79	35.28
5099	NASDAQ	PRFT	Mon, Jun 1, 2020	34.05	34.36	33.63	33.77
5098	NASDAQ	PRFT	Fri, May 29, 2020	34.72	34.72	33.36	34.04
5097	NASDAQ	PRFT	Thu, May 28, 2020	35.75	35.75	34.68	34.86
5096	NASDAQ	PRFT	Wed, May 27, 2020	35.00	35.62	33.74	35.55
5095	NASDAQ	PRFT	Tue, May 26, 2020	34.73	35.00	33.92	34.44
5094	NASDAQ	PRFT	Fri, May 22, 2020	33.63	34.23	33.06	33.65
5093	NASDAQ	PRFT	Thu, May 21, 2020	34.65	34.80	33.30	33.36
5092	NASDAQ	PRFT	Wed, May 20, 2020	34.44	35.12	34.37	34.46
5091	NASDAQ	PRFT	Tue, May 19, 2020	33.69	34.53	32.69	33.83
5090	NASDAQ	PRFT	Mon, May 18, 2020	32.50	34.06	32.50	33.80
5089	NASDAQ	PRFT	Fri, May 15, 2020	31.23	32.18	30.70	31.42
5088	NASDAQ	PRFT	Thu, May 14, 2020	32.03	32.48	30.32	31.40
5087	NASDAQ	PRFT	Wed, May 13, 2020	34.45	35.28	32.40	32.74
5086	NASDAQ	PRFT	Tue, May 12, 2020	33.92	35.54	33.20	34.72
5085	NASDAQ	PRFT	Mon, May 11, 2020	34.85	35.49	33.78	33.96
5084	NASDAQ	PRFT	Fri, May 8, 2020	36.85	37.01	35.33	35.67
5083	NASDAQ	PRFT	Thu, May 7, 2020	33.89	36.61	33.30	35.08
5082	NASDAQ	PRFT	Wed, May 6, 2020	33.62	34.18	32.93	33.82
5081	NASDAQ	PRFT	Tue, May 5, 2020	33.05	34.41	33.05	33.32
5080	NASDAQ	PRFT	Mon, May 4, 2020	33.00	33.08	32.17	32.80
5079	NASDAQ	PRFT	Fri, May 1, 2020	33.65	34.17	32.43	33.07
5078	NASDAQ	PRFT	Thu, Apr 30, 2020	34.14	35.49	33.45	34.83
5077	NASDAQ	PRFT	Wed, Apr 29, 2020	34.42	35.53	33.80	34.72
5076	NASDAQ	PRFT	Tue, Apr 28, 2020	33.97	34.27	33.21	33.35
5075	NASDAQ	PRFT	Mon, Apr 27, 2020	32.04	33.59	32.04	33.14
5074	NASDAQ	PRFT	Fri, Apr 24, 2020	31.22	32.08	30.85	31.94
5073	NASDAQ	PRFT	Thu, Apr 23, 2020	31.25	31.69	30.85	31.20
5072	NASDAQ	PRFT	Wed, Apr 22, 2020	30.47	31.72	30.44	31.13
5071	NASDAQ	PRFT	Tue, Apr 21, 2020	30.42	31.04	29.61	30.01
5070	NASDAQ	PRFT	Mon, Apr 20, 2020	31.26	31.97	30.51	31.62
5069	NASDAQ	PRFT	Fri, Apr 17, 2020	31.91	32.31	30.49	31.13
5068	NASDAQ	PRFT	Thu, Apr 16, 2020	31.26	31.55	29.65	30.66
5067	NASDAQ	PRFT	Wed, Apr 15, 2020	29.81	31.69	29.37	30.99
5066	NASDAQ	PRFT	Tue, Apr 14, 2020	31.49	31.93	30.40	30.91
5065	NASDAQ	PRFT	Mon, Apr 13, 2020	31.03	31.14	29.78	30.65
5064	NASDAQ	PRFT	Thu, Apr 9, 2020	31.65	32.45	30.92	31.16
5063	NASDAQ	PRFT	Wed, Apr 8, 2020	29.28	31.15	28.78	30.60
5062	NASDAQ	PRFT	Tue, Apr 7, 2020	28.00	29.87	28.00	28.80
5061	NASDAQ	PRFT	Mon, Apr 6, 2020	25.12	27.17	25.12	27.09
5060	NASDAQ	PRFT	Fri, Apr 3, 2020	25.08	25.16	23.55	24.35
5059	NASDAQ	PRFT	Thu, Apr 2, 2020	23.82	25.78	23.59	25.08
5058	NASDAQ	PRFT	Wed, Apr 1, 2020	26.49	26.49	23.85	23.92
5057	NASDAQ	PRFT	Tue, Mar 31, 2020	27.29	28.42	26.02	27.09
5056	NASDAQ	PRFT	Mon, Mar 30, 2020	25.22	27.42	23.82	27.29
5055	NASDAQ	PRFT	Fri, Mar 27, 2020	26.64	27.56	24.91	25.02
5054	NASDAQ	PRFT	Thu, Mar 26, 2020	30.90	32.08	27.28	27.43
5053	NASDAQ	PRFT	Wed, Mar 25, 2020	30.52	32.58	29.70	30.71
5052	NASDAQ	PRFT	Tue, Mar 24, 2020	26.83	30.91	26.83	30.59
5051	NASDAQ	PRFT	Mon, Mar 23, 2020	28.29	28.69	24.71	25.39
5050	NASDAQ	PRFT	Fri, Mar 20, 2020	30.13	31.98	27.34	28.52
5049	NASDAQ	PRFT	Thu, Mar 19, 2020	21.62	31.15	21.45	30.04
5048	NASDAQ	PRFT	Wed, Mar 18, 2020	28.68	29.31	18.88	21.78
5047	NASDAQ	PRFT	Tue, Mar 17, 2020	32.48	33.61	30.28	30.69
5046	NASDAQ	PRFT	Mon, Mar 16, 2020	33.57	34.28	31.58	32.21
5045	NASDAQ	PRFT	Fri, Mar 13, 2020	37.97	38.74	35.46	36.79
5044	NASDAQ	PRFT	Thu, Mar 12, 2020	35.73	38.00	33.00	35.93
5043	NASDAQ	PRFT	Wed, Mar 11, 2020	39.56	40.54	37.56	38.52
5042	NASDAQ	PRFT	Tue, Mar 10, 2020	38.27	41.02	37.46	40.89
5041	NASDAQ	PRFT	Mon, Mar 9, 2020	38.21	39.15	36.99	37.08
5040	NASDAQ	PRFT	Fri, Mar 6, 2020	41.49	42.11	40.16	41.35
5039	NASDAQ	PRFT	Thu, Mar 5, 2020	42.38	43.24	41.58	42.82
5038	NASDAQ	PRFT	Wed, Mar 4, 2020	42.79	43.73	41.88	43.57
5037	NASDAQ	PRFT	Tue, Mar 3, 2020	42.77	44.05	41.45	42.00
5036	NASDAQ	PRFT	Mon, Mar 2, 2020	41.37	42.89	40.19	42.84
5035	NASDAQ	PRFT	Fri, Feb 28, 2020	40.13	41.79	39.24	40.97
5034	NASDAQ	PRFT	Thu, Feb 27, 2020	43.02	43.68	41.12	42.01
5033	NASDAQ	PRFT	Wed, Feb 26, 2020	44.15	45.69	43.26	44.06
5032	NASDAQ	PRFT	Tue, Feb 25, 2020	49.32	49.32	42.03	44.15
5031	NASDAQ	PRFT	Mon, Feb 24, 2020	46.25	49.42	44.44	49.31
5030	NASDAQ	PRFT	Fri, Feb 21, 2020	52.31	52.31	49.63	50.59
5029	NASDAQ	PRFT	Thu, Feb 20, 2020	53.17	53.76	51.84	52.39
5028	NASDAQ	PRFT	Wed, Feb 19, 2020	52.80	53.49	52.77	53.15
5027	NASDAQ	PRFT	Tue, Feb 18, 2020	52.10	52.84	52.10	52.58
5026	NASDAQ	PRFT	Fri, Feb 14, 2020	52.29	52.37	51.77	52.19
5025	NASDAQ	PRFT	Thu, Feb 13, 2020	52.10	52.92	52.10	52.19
5024	NASDAQ	PRFT	Wed, Feb 12, 2020	52.94	52.95	51.66	52.38
5023	NASDAQ	PRFT	Tue, Feb 11, 2020	51.95	52.94	51.54	52.58
5022	NASDAQ	PRFT	Mon, Feb 10, 2020	51.81	52.11	51.37	51.53
5021	NASDAQ	PRFT	Fri, Feb 7, 2020	52.52	52.63	51.66	51.82
5020	NASDAQ	PRFT	Thu, Feb 6, 2020	51.92	52.87	51.92	52.52
5019	NASDAQ	PRFT	Wed, Feb 5, 2020	51.89	52.18	51.41	51.66
5018	NASDAQ	PRFT	Tue, Feb 4, 2020	51.05	51.76	50.66	51.45
5017	NASDAQ	PRFT	Mon, Feb 3, 2020	49.85	50.89	49.85	50.51
5016	NASDAQ	PRFT	Fri, Jan 31, 2020	50.26	50.33	49.56	49.70
5015	NASDAQ	PRFT	Thu, Jan 30, 2020	50.09	50.58	49.61	50.32
5014	NASDAQ	PRFT	Wed, Jan 29, 2020	50.62	50.80	49.86	50.11
5013	NASDAQ	PRFT	Tue, Jan 28, 2020	49.67	50.46	49.54	50.29
5012	NASDAQ	PRFT	Mon, Jan 27, 2020	49.07	49.62	48.52	49.33
5011	NASDAQ	PRFT	Fri, Jan 24, 2020	49.73	50.32	49.20	49.62
5010	NASDAQ	PRFT	Thu, Jan 23, 2020	49.00	49.67	48.39	49.53
5009	NASDAQ	PRFT	Wed, Jan 22, 2020	49.32	49.75	48.87	48.94
5008	NASDAQ	PRFT	Tue, Jan 21, 2020	49.41	49.70	49.15	49.27
5007	NASDAQ	PRFT	Fri, Jan 17, 2020	49.97	50.05	49.09	49.58
5006	NASDAQ	PRFT	Thu, Jan 16, 2020	49.64	50.00	49.32	49.82
5005	NASDAQ	PRFT	Wed, Jan 15, 2020	48.74	49.94	48.63	49.40
5004	NASDAQ	PRFT	Tue, Jan 14, 2020	48.40	48.95	47.89	48.75
5003	NASDAQ	PRFT	Mon, Jan 13, 2020	47.85	48.76	47.60	48.55
5002	NASDAQ	PRFT	Fri, Jan 10, 2020	47.49	47.96	47.30	47.55
5001	NASDAQ	PRFT	Thu, Jan 9, 2020	46.94	47.37	46.94	47.20
5000	NASDAQ	PRFT	Wed, Jan 8, 2020	45.84	46.86	45.84	46.69
4999	NASDAQ	PRFT	Tue, Jan 7, 2020	45.60	46.07	45.30	45.62
4998	NASDAQ	PRFT	Mon, Jan 6, 2020	46.55	46.66	45.75	45.82
4997	NASDAQ	PRFT	Fri, Jan 3, 2020	45.91	46.78	45.88	46.69
4996	NASDAQ	PRFT	Thu, Jan 2, 2020	46.17	46.44	45.91	46.36
4995	NASDAQ	PRFT	Tue, Dec 31, 2019	45.89	46.48	45.87	46.07
4994	NASDAQ	PRFT	Mon, Dec 30, 2019	45.72	46.24	45.48	46.12
4993	NASDAQ	PRFT	Fri, Dec 27, 2019	46.10	46.17	45.41	45.68
4992	NASDAQ	PRFT	Thu, Dec 26, 2019	45.87	46.08	45.41	45.82
4991	NASDAQ	PRFT	Tue, Dec 24, 2019	45.74	45.83	45.37	45.80
4990	NASDAQ	PRFT	Mon, Dec 23, 2019	45.78	46.28	44.71	45.57
4989	NASDAQ	PRFT	Fri, Dec 20, 2019	45.32	45.80	45.22	45.61
4988	NASDAQ	PRFT	Thu, Dec 19, 2019	44.60	45.07	44.44	45.06
4987	NASDAQ	PRFT	Wed, Dec 18, 2019	43.89	44.77	43.88	44.58
4986	NASDAQ	PRFT	Tue, Dec 17, 2019	43.62	43.88	43.02	43.77
4985	NASDAQ	PRFT	Mon, Dec 16, 2019	43.66	44.17	43.51	43.68
4984	NASDAQ	PRFT	Fri, Dec 13, 2019	43.96	44.11	43.12	43.26
4983	NASDAQ	PRFT	Thu, Dec 12, 2019	43.62	44.24	43.38	43.99
4982	NASDAQ	PRFT	Wed, Dec 11, 2019	42.75	43.88	42.65	43.62
4981	NASDAQ	PRFT	Tue, Dec 10, 2019	42.20	42.46	42.02	42.37
4980	NASDAQ	PRFT	Mon, Dec 9, 2019	42.12	42.48	42.05	42.32
4979	NASDAQ	PRFT	Fri, Dec 6, 2019	42.21	42.61	42.05	42.23
4978	NASDAQ	PRFT	Thu, Dec 5, 2019	42.38	42.41	42.00	42.11
4977	NASDAQ	PRFT	Wed, Dec 4, 2019	42.16	42.38	42.08	42.20
4976	NASDAQ	PRFT	Tue, Dec 3, 2019	41.35	42.08	41.00	41.99
4975	NASDAQ	PRFT	Mon, Dec 2, 2019	42.24	42.24	41.50	41.76
4974	NASDAQ	PRFT	Fri, Nov 29, 2019	42.52	42.72	42.06	42.28
4973	NASDAQ	PRFT	Wed, Nov 27, 2019	43.02	43.28	42.63	42.82
4972	NASDAQ	PRFT	Tue, Nov 26, 2019	42.15	43.17	41.81	42.93
4971	NASDAQ	PRFT	Mon, Nov 25, 2019	42.00	42.56	41.88	42.29
4970	NASDAQ	PRFT	Fri, Nov 22, 2019	41.36	41.82	40.70	41.72
4969	NASDAQ	PRFT	Thu, Nov 21, 2019	41.90	41.90	41.18	41.22
4968	NASDAQ	PRFT	Wed, Nov 20, 2019	42.23	42.57	41.54	41.82
4967	NASDAQ	PRFT	Tue, Nov 19, 2019	41.68	42.66	41.42	42.34
4966	NASDAQ	PRFT	Mon, Nov 18, 2019	40.66	41.65	40.53	41.60
4965	NASDAQ	PRFT	Fri, Nov 15, 2019	40.87	40.94	40.17	40.55
4964	NASDAQ	PRFT	Thu, Nov 14, 2019	40.27	40.97	40.10	40.78
4963	NASDAQ	PRFT	Wed, Nov 13, 2019	39.99	40.30	39.76	40.17
4962	NASDAQ	PRFT	Tue, Nov 12, 2019	39.60	40.67	39.60	40.13
4961	NASDAQ	PRFT	Mon, Nov 11, 2019	38.64	39.71	38.29	39.68
4960	NASDAQ	PRFT	Fri, Nov 8, 2019	38.38	39.48	38.30	38.94
4959	NASDAQ	PRFT	Thu, Nov 7, 2019	39.49	39.65	36.09	38.38
4958	NASDAQ	PRFT	Wed, Nov 6, 2019	38.29	38.29	37.26	38.12
4957	NASDAQ	PRFT	Tue, Nov 5, 2019	37.61	38.53	37.57	38.39
4956	NASDAQ	PRFT	Mon, Nov 4, 2019	39.20	39.42	37.49	37.56
4955	NASDAQ	PRFT	Fri, Nov 1, 2019	39.47	39.47	38.92	39.11
4954	NASDAQ	PRFT	Thu, Oct 31, 2019	39.41	39.69	38.92	39.20
4953	NASDAQ	PRFT	Wed, Oct 30, 2019	41.20	41.82	39.36	39.38
4952	NASDAQ	PRFT	Tue, Oct 29, 2019	39.26	41.55	39.20	41.21
4951	NASDAQ	PRFT	Mon, Oct 28, 2019	38.75	39.61	38.75	39.26
4950	NASDAQ	PRFT	Fri, Oct 25, 2019	38.61	39.15	38.46	38.52
4949	NASDAQ	PRFT	Thu, Oct 24, 2019	38.15	38.60	38.15	38.54
4948	NASDAQ	PRFT	Wed, Oct 23, 2019	37.82	38.33	37.82	38.14
4947	NASDAQ	PRFT	Tue, Oct 22, 2019	38.65	38.82	37.77	37.97
4946	NASDAQ	PRFT	Mon, Oct 21, 2019	38.31	38.59	38.02	38.07
4945	NASDAQ	PRFT	Fri, Oct 18, 2019	38.40	38.64	37.85	38.12
4944	NASDAQ	PRFT	Thu, Oct 17, 2019	37.80	38.68	37.75	38.61
4943	NASDAQ	PRFT	Wed, Oct 16, 2019	37.50	37.72	37.12	37.65
4942	NASDAQ	PRFT	Tue, Oct 15, 2019	37.35	37.75	36.76	37.54
4941	NASDAQ	PRFT	Mon, Oct 14, 2019	37.51	37.76	36.63	37.25
4940	NASDAQ	PRFT	Fri, Oct 11, 2019	37.86	38.42	37.42	37.60
4939	NASDAQ	PRFT	Thu, Oct 10, 2019	37.75	37.75	36.94	37.42
4938	NASDAQ	PRFT	Wed, Oct 9, 2019	37.53	37.83	37.15	37.59
4937	NASDAQ	PRFT	Tue, Oct 8, 2019	37.05	37.50	36.53	37.28
4936	NASDAQ	PRFT	Mon, Oct 7, 2019	37.21	37.84	36.92	37.41
4935	NASDAQ	PRFT	Fri, Oct 4, 2019	37.08	37.76	37.08	37.46
4934	NASDAQ	PRFT	Thu, Oct 3, 2019	36.60	37.29	36.12	37.09
4933	NASDAQ	PRFT	Wed, Oct 2, 2019	36.97	37.18	35.94	36.58
4932	NASDAQ	PRFT	Tue, Oct 1, 2019	38.87	39.21	37.05	37.07
4931	NASDAQ	PRFT	Mon, Sep 30, 2019	38.04	38.80	38.04	38.58
4930	NASDAQ	PRFT	Fri, Sep 27, 2019	37.08	38.20	36.96	37.91
4929	NASDAQ	PRFT	Thu, Sep 26, 2019	37.72	37.80	36.88	37.03
4928	NASDAQ	PRFT	Wed, Sep 25, 2019	37.72	38.00	37.14	37.81
4927	NASDAQ	PRFT	Tue, Sep 24, 2019	38.08	38.30	37.60	37.71
4926	NASDAQ	PRFT	Mon, Sep 23, 2019	37.79	38.15	37.45	38.00
4925	NASDAQ	PRFT	Fri, Sep 20, 2019	37.94	38.45	37.78	37.96
4924	NASDAQ	PRFT	Thu, Sep 19, 2019	38.29	38.71	37.81	37.87
4923	NASDAQ	PRFT	Wed, Sep 18, 2019	38.19	38.41	37.73	38.22
4922	NASDAQ	PRFT	Tue, Sep 17, 2019	38.45	38.75	37.48	38.22
4921	NASDAQ	PRFT	Mon, Sep 16, 2019	37.70	38.71	37.50	38.60
4920	NASDAQ	PRFT	Fri, Sep 13, 2019	38.13	38.55	37.66	37.90
4919	NASDAQ	PRFT	Thu, Sep 12, 2019	38.17	38.60	37.86	38.06
4918	NASDAQ	PRFT	Wed, Sep 11, 2019	37.31	38.02	37.16	38.01
4917	NASDAQ	PRFT	Tue, Sep 10, 2019	39.25	39.40	37.16	37.36
4916	NASDAQ	PRFT	Mon, Sep 9, 2019	38.18	39.74	37.76	39.35
4915	NASDAQ	PRFT	Fri, Sep 6, 2019	37.92	37.94	37.51	37.54
4914	NASDAQ	PRFT	Thu, Sep 5, 2019	37.70	38.20	37.45	37.85
4913	NASDAQ	PRFT	Wed, Sep 4, 2019	37.33	37.55	36.98	37.35
4912	NASDAQ	PRFT	Tue, Sep 3, 2019	36.60	37.21	36.18	37.10
4911	NASDAQ	PRFT	Fri, Aug 30, 2019	37.06	37.26	36.51	36.84
4910	NASDAQ	PRFT	Thu, Aug 29, 2019	36.59	37.04	36.53	37.01
4909	NASDAQ	PRFT	Wed, Aug 28, 2019	36.28	36.76	35.97	36.40
4908	NASDAQ	PRFT	Tue, Aug 27, 2019	36.91	36.91	36.18	36.50
4907	NASDAQ	PRFT	Mon, Aug 26, 2019	36.76	37.18	35.94	36.68
4906	NASDAQ	PRFT	Fri, Aug 23, 2019	36.35	37.49	36.17	36.32
4905	NASDAQ	PRFT	Thu, Aug 22, 2019	36.91	36.99	36.23	36.29
4904	NASDAQ	PRFT	Wed, Aug 21, 2019	36.57	37.07	36.41	36.69
4903	NASDAQ	PRFT	Tue, Aug 20, 2019	35.95	36.54	35.71	36.43
4902	NASDAQ	PRFT	Mon, Aug 19, 2019	35.77	36.44	35.50	36.12
4901	NASDAQ	PRFT	Fri, Aug 16, 2019	34.58	35.41	34.41	35.25
4900	NASDAQ	PRFT	Thu, Aug 15, 2019	33.91	34.63	33.61	34.23
4899	NASDAQ	PRFT	Wed, Aug 14, 2019	35.35	35.69	33.64	33.86
4898	NASDAQ	PRFT	Tue, Aug 13, 2019	34.79	36.00	34.53	35.97
4897	NASDAQ	PRFT	Mon, Aug 12, 2019	35.13	35.32	34.67	34.91
4896	NASDAQ	PRFT	Fri, Aug 9, 2019	35.76	35.99	35.21	35.43
4895	NASDAQ	PRFT	Thu, Aug 8, 2019	35.50	36.15	35.33	35.94
4894	NASDAQ	PRFT	Wed, Aug 7, 2019	35.20	35.59	35.20	35.23
4893	NASDAQ	PRFT	Tue, Aug 6, 2019	35.71	35.93	35.11	35.49
4892	NASDAQ	PRFT	Mon, Aug 5, 2019	35.50	35.83	34.96	35.50
4891	NASDAQ	PRFT	Fri, Aug 2, 2019	38.80	38.80	34.57	36.26
4890	NASDAQ	PRFT	Thu, Aug 1, 2019	35.95	38.00	35.20	37.92
4889	NASDAQ	PRFT	Wed, Jul 31, 2019	35.26	35.60	34.12	34.17
4888	NASDAQ	PRFT	Tue, Jul 30, 2019	34.56	35.19	34.23	35.07
4887	NASDAQ	PRFT	Mon, Jul 29, 2019	35.61	35.61	34.87	34.92
4886	NASDAQ	PRFT	Fri, Jul 26, 2019	35.16	35.59	35.16	35.55
4885	NASDAQ	PRFT	Thu, Jul 25, 2019	35.71	35.78	35.04	35.07
4884	NASDAQ	PRFT	Wed, Jul 24, 2019	35.57	35.88	35.36	35.83
4883	NASDAQ	PRFT	Tue, Jul 23, 2019	35.72	35.72	35.31	35.67
4882	NASDAQ	PRFT	Mon, Jul 22, 2019	35.35	35.97	35.24	35.52
4881	NASDAQ	PRFT	Fri, Jul 19, 2019	35.43	35.74	35.01	35.30
4880	NASDAQ	PRFT	Thu, Jul 18, 2019	35.39	35.66	35.23	35.45
4879	NASDAQ	PRFT	Wed, Jul 17, 2019	34.97	35.65	34.95	35.54
4878	NASDAQ	PRFT	Tue, Jul 16, 2019	34.85	35.21	34.76	35.05
4877	NASDAQ	PRFT	Mon, Jul 15, 2019	35.10	35.31	34.76	34.87
4876	NASDAQ	PRFT	Fri, Jul 12, 2019	34.48	35.18	34.32	35.10
4875	NASDAQ	PRFT	Thu, Jul 11, 2019	34.46	34.56	34.14	34.47
4874	NASDAQ	PRFT	Wed, Jul 10, 2019	34.31	34.52	33.80	34.45
4873	NASDAQ	PRFT	Tue, Jul 9, 2019	34.12	34.20	33.72	33.99
4872	NASDAQ	PRFT	Mon, Jul 8, 2019	34.53	34.80	34.04	34.11
4871	NASDAQ	PRFT	Fri, Jul 5, 2019	34.39	34.65	34.01	34.63
4870	NASDAQ	PRFT	Wed, Jul 3, 2019	34.49	34.68	34.35	34.57
4869	NASDAQ	PRFT	Tue, Jul 2, 2019	34.39	34.54	34.11	34.35
4868	NASDAQ	PRFT	Mon, Jul 1, 2019	34.75	35.00	33.91	34.35
4867	NASDAQ	PRFT	Fri, Jun 28, 2019	33.64	34.42	33.54	34.32
4866	NASDAQ	PRFT	Thu, Jun 27, 2019	33.18	33.61	33.07	33.61
4865	NASDAQ	PRFT	Wed, Jun 26, 2019	33.66	34.03	33.06	33.14
4864	NASDAQ	PRFT	Tue, Jun 25, 2019	33.69	34.10	33.24	33.59
4863	NASDAQ	PRFT	Mon, Jun 24, 2019	34.58	34.62	33.54	33.55
4862	NASDAQ	PRFT	Fri, Jun 21, 2019	33.82	35.99	33.82	34.55
4861	NASDAQ	PRFT	Thu, Jun 20, 2019	33.81	34.04	33.37	33.82
4860	NASDAQ	PRFT	Wed, Jun 19, 2019	33.44	33.89	33.00	33.44
4859	NASDAQ	PRFT	Tue, Jun 18, 2019	33.46	33.59	33.04	33.55
4858	NASDAQ	PRFT	Mon, Jun 17, 2019	32.80	33.55	32.80	33.17
4857	NASDAQ	PRFT	Fri, Jun 14, 2019	32.27	32.77	32.11	32.69
4856	NASDAQ	PRFT	Thu, Jun 13, 2019	31.73	32.40	31.62	32.28
4855	NASDAQ	PRFT	Wed, Jun 12, 2019	31.64	31.88	31.53	31.58
4854	NASDAQ	PRFT	Tue, Jun 11, 2019	31.60	31.93	31.19	31.68
4853	NASDAQ	PRFT	Mon, Jun 10, 2019	31.66	31.97	31.24	31.38
4852	NASDAQ	PRFT	Fri, Jun 7, 2019	31.47	31.86	31.22	31.57
4851	NASDAQ	PRFT	Thu, Jun 6, 2019	30.87	31.40	30.72	31.25
4850	NASDAQ	PRFT	Wed, Jun 5, 2019	31.06	31.24	30.79	30.89
4849	NASDAQ	PRFT	Tue, Jun 4, 2019	30.42	30.99	30.19	30.95
4848	NASDAQ	PRFT	Mon, Jun 3, 2019	30.46	30.70	29.94	30.18
4847	NASDAQ	PRFT	Fri, May 31, 2019	30.95	30.95	30.39	30.43
4846	NASDAQ	PRFT	Thu, May 30, 2019	31.50	31.64	30.80	31.17
4845	NASDAQ	PRFT	Wed, May 29, 2019	31.15	31.50	31.00	31.38
4844	NASDAQ	PRFT	Tue, May 28, 2019	31.80	32.02	31.13	31.27
4843	NASDAQ	PRFT	Fri, May 24, 2019	31.39	32.05	31.35	31.80
4842	NASDAQ	PRFT	Thu, May 23, 2019	31.71	31.77	31.02	31.20
4841	NASDAQ	PRFT	Wed, May 22, 2019	31.56	32.33	31.56	31.99
4840	NASDAQ	PRFT	Tue, May 21, 2019	31.88	32.14	31.45	31.60
4839	NASDAQ	PRFT	Mon, May 20, 2019	31.05	31.87	30.91	31.72
4838	NASDAQ	PRFT	Fri, May 17, 2019	31.42	31.65	31.17	31.29
4837	NASDAQ	PRFT	Thu, May 16, 2019	31.20	31.78	31.15	31.70
4836	NASDAQ	PRFT	Wed, May 15, 2019	30.45	31.20	30.31	31.18
4835	NASDAQ	PRFT	Tue, May 14, 2019	30.05	30.76	30.04	30.73
4834	NASDAQ	PRFT	Mon, May 13, 2019	30.46	30.92	29.92	29.99
4833	NASDAQ	PRFT	Fri, May 10, 2019	30.50	30.93	30.30	30.84
4832	NASDAQ	PRFT	Thu, May 9, 2019	30.41	31.00	30.21	30.74
4831	NASDAQ	PRFT	Wed, May 8, 2019	30.77	31.36	30.58	30.70
4830	NASDAQ	PRFT	Tue, May 7, 2019	31.72	31.85	30.78	31.06
4829	NASDAQ	PRFT	Mon, May 6, 2019	31.45	32.15	30.76	32.00
4828	NASDAQ	PRFT	Fri, May 3, 2019	31.99	32.92	31.92	32.07
4827	NASDAQ	PRFT	Thu, May 2, 2019	29.72	31.85	29.51	31.58
4826	NASDAQ	PRFT	Wed, May 1, 2019	29.45	29.51	29.03	29.34
4825	NASDAQ	PRFT	Tue, Apr 30, 2019	29.15	29.63	28.92	29.44
4824	NASDAQ	PRFT	Mon, Apr 29, 2019	28.83	29.18	28.64	29.15
4823	NASDAQ	PRFT	Fri, Apr 26, 2019	28.47	28.82	28.43	28.78
4822	NASDAQ	PRFT	Thu, Apr 25, 2019	28.83	28.88	28.38	28.56
4821	NASDAQ	PRFT	Wed, Apr 24, 2019	28.78	29.12	28.78	28.86
4820	NASDAQ	PRFT	Tue, Apr 23, 2019	28.53	29.15	28.52	28.75
4819	NASDAQ	PRFT	Mon, Apr 22, 2019	28.08	28.66	28.02	28.46
4818	NASDAQ	PRFT	Thu, Apr 18, 2019	28.07	28.35	27.84	28.24
4817	NASDAQ	PRFT	Wed, Apr 17, 2019	27.93	28.47	27.76	28.10
4816	NASDAQ	PRFT	Tue, Apr 16, 2019	28.05	28.26	27.89	27.97
4815	NASDAQ	PRFT	Mon, Apr 15, 2019	28.00	28.18	27.73	28.05
4814	NASDAQ	PRFT	Fri, Apr 12, 2019	28.11	28.11	27.75	27.96
4813	NASDAQ	PRFT	Thu, Apr 11, 2019	28.28	28.32	27.90	27.99
4812	NASDAQ	PRFT	Wed, Apr 10, 2019	27.77	28.24	27.68	28.14
4811	NASDAQ	PRFT	Tue, Apr 9, 2019	27.83	27.94	27.67	27.73
4810	NASDAQ	PRFT	Mon, Apr 8, 2019	28.07	28.07	27.83	27.93
4809	NASDAQ	PRFT	Fri, Apr 5, 2019	28.10	28.42	27.88	28.15
4808	NASDAQ	PRFT	Thu, Apr 4, 2019	27.85	28.22	27.80	28.06
4807	NASDAQ	PRFT	Wed, Apr 3, 2019	27.61	27.84	27.49	27.81
4806	NASDAQ	PRFT	Tue, Apr 2, 2019	27.72	27.74	27.29	27.44
4805	NASDAQ	PRFT	Mon, Apr 1, 2019	27.56	27.72	27.28	27.71
4804	NASDAQ	PRFT	Fri, Mar 29, 2019	27.51	27.64	27.37	27.39
4803	NASDAQ	PRFT	Thu, Mar 28, 2019	27.31	27.63	27.26	27.46
4802	NASDAQ	PRFT	Wed, Mar 27, 2019	27.47	27.51	26.97	27.27
4801	NASDAQ	PRFT	Tue, Mar 26, 2019	27.36	27.59	27.26	27.44
4800	NASDAQ	PRFT	Mon, Mar 25, 2019	27.49	27.65	27.19	27.26
4799	NASDAQ	PRFT	Fri, Mar 22, 2019	28.28	28.31	27.38	27.50
4798	NASDAQ	PRFT	Thu, Mar 21, 2019	27.99	28.48	27.98	28.45
4797	NASDAQ	PRFT	Wed, Mar 20, 2019	28.42	28.53	28.03	28.07
4796	NASDAQ	PRFT	Tue, Mar 19, 2019	29.04	29.04	28.39	28.45
4795	NASDAQ	PRFT	Mon, Mar 18, 2019	28.81	29.10	28.49	28.97
4794	NASDAQ	PRFT	Fri, Mar 15, 2019	28.81	29.12	28.66	28.68
4793	NASDAQ	PRFT	Thu, Mar 14, 2019	28.64	28.75	28.42	28.67
4792	NASDAQ	PRFT	Wed, Mar 13, 2019	28.91	29.00	28.62	28.64
4791	NASDAQ	PRFT	Tue, Mar 12, 2019	28.85	29.00	28.39	28.80
4790	NASDAQ	PRFT	Mon, Mar 11, 2019	27.92	28.76	27.83	28.61
4789	NASDAQ	PRFT	Fri, Mar 8, 2019	27.58	27.96	27.53	27.90
4788	NASDAQ	PRFT	Thu, Mar 7, 2019	27.93	28.23	27.58	27.67
4787	NASDAQ	PRFT	Wed, Mar 6, 2019	28.24	28.50	27.76	27.90
4786	NASDAQ	PRFT	Tue, Mar 5, 2019	28.77	28.91	28.29	28.30
4785	NASDAQ	PRFT	Mon, Mar 4, 2019	29.05	29.10	28.42	28.83
4784	NASDAQ	PRFT	Fri, Mar 1, 2019	28.66	29.24	28.55	29.20
4783	NASDAQ	PRFT	Thu, Feb 28, 2019	28.62	28.91	28.35	28.61
4782	NASDAQ	PRFT	Wed, Feb 27, 2019	29.09	29.49	28.50	28.63
4781	NASDAQ	PRFT	Tue, Feb 26, 2019	27.40	28.94	27.35	28.82
4780	NASDAQ	PRFT	Mon, Feb 25, 2019	26.66	26.88	26.46	26.59
4779	NASDAQ	PRFT	Fri, Feb 22, 2019	26.66	26.77	26.29	26.49
4778	NASDAQ	PRFT	Thu, Feb 21, 2019	27.05	27.11	26.43	26.61
4777	NASDAQ	PRFT	Wed, Feb 20, 2019	26.90	27.13	26.68	27.12
4776	NASDAQ	PRFT	Tue, Feb 19, 2019	26.83	27.09	26.70	26.91
4775	NASDAQ	PRFT	Fri, Feb 15, 2019	26.70	27.10	26.59	26.86
4774	NASDAQ	PRFT	Thu, Feb 14, 2019	26.65	26.83	26.56	26.61
4773	NASDAQ	PRFT	Wed, Feb 13, 2019	26.53	26.86	26.48	26.71
4772	NASDAQ	PRFT	Tue, Feb 12, 2019	26.20	26.64	26.18	26.52
4771	NASDAQ	PRFT	Mon, Feb 11, 2019	26.14	26.20	25.99	26.17
4770	NASDAQ	PRFT	Fri, Feb 8, 2019	25.95	26.30	25.95	26.10
4769	NASDAQ	PRFT	Thu, Feb 7, 2019	26.09	26.21	25.57	26.08
4768	NASDAQ	PRFT	Wed, Feb 6, 2019	26.07	26.37	25.96	26.13
4767	NASDAQ	PRFT	Tue, Feb 5, 2019	26.07	26.31	25.95	26.12
4766	NASDAQ	PRFT	Mon, Feb 4, 2019	25.60	26.05	25.57	26.00
4765	NASDAQ	PRFT	Fri, Feb 1, 2019	25.42	25.74	25.42	25.61
4764	NASDAQ	PRFT	Thu, Jan 31, 2019	25.23	25.53	25.23	25.51
4763	NASDAQ	PRFT	Wed, Jan 30, 2019	24.87	25.37	24.69	25.28
4762	NASDAQ	PRFT	Tue, Jan 29, 2019	25.31	25.33	24.75	24.77
4761	NASDAQ	PRFT	Mon, Jan 28, 2019	25.12	25.33	25.00	25.27
4760	NASDAQ	PRFT	Fri, Jan 25, 2019	25.13	25.30	25.08	25.24
4759	NASDAQ	PRFT	Thu, Jan 24, 2019	24.76	25.18	24.76	25.02
4758	NASDAQ	PRFT	Wed, Jan 23, 2019	25.17	25.36	24.64	24.75
4757	NASDAQ	PRFT	Tue, Jan 22, 2019	25.00	25.33	25.00	25.16
4756	NASDAQ	PRFT	Fri, Jan 18, 2019	25.17	25.38	24.96	25.10
4755	NASDAQ	PRFT	Thu, Jan 17, 2019	24.45	25.16	24.45	25.10
4754	NASDAQ	PRFT	Wed, Jan 16, 2019	24.35	24.55	24.19	24.54
4753	NASDAQ	PRFT	Tue, Jan 15, 2019	23.72	24.40	23.72	24.30
4752	NASDAQ	PRFT	Mon, Jan 14, 2019	23.79	23.99	23.62	23.71
4751	NASDAQ	PRFT	Fri, Jan 11, 2019	23.48	23.97	23.45	23.96
4750	NASDAQ	PRFT	Thu, Jan 10, 2019	23.36	23.56	22.72	23.48
4749	NASDAQ	PRFT	Wed, Jan 9, 2019	23.29	23.54	23.01	23.39
4748	NASDAQ	PRFT	Tue, Jan 8, 2019	22.80	23.19	22.61	23.18
4747	NASDAQ	PRFT	Mon, Jan 7, 2019	22.31	22.83	22.05	22.62
4746	NASDAQ	PRFT	Fri, Jan 4, 2019	22.03	22.72	21.42	22.32
4745	NASDAQ	PRFT	Thu, Jan 3, 2019	22.02	22.38	21.91	21.92
4744	NASDAQ	PRFT	Wed, Jan 2, 2019	21.92	22.52	21.92	22.11
4743	NASDAQ	PRFT	Mon, Dec 31, 2018	22.18	22.30	21.85	22.26
4742	NASDAQ	PRFT	Fri, Dec 28, 2018	21.97	22.73	21.62	21.98
4741	NASDAQ	PRFT	Thu, Dec 27, 2018	21.58	21.95	21.22	21.95
4740	NASDAQ	PRFT	Wed, Dec 26, 2018	21.08	21.96	21.08	21.93
4739	NASDAQ	PRFT	Mon, Dec 24, 2018	21.05	21.63	20.92	21.08
4738	NASDAQ	PRFT	Fri, Dec 21, 2018	22.06	22.20	21.10	21.12
4737	NASDAQ	PRFT	Thu, Dec 20, 2018	22.31	22.54	21.63	22.03
4736	NASDAQ	PRFT	Wed, Dec 19, 2018	22.67	23.03	22.10	22.43
4735	NASDAQ	PRFT	Tue, Dec 18, 2018	22.84	22.96	22.52	22.67
4734	NASDAQ	PRFT	Mon, Dec 17, 2018	22.74	23.09	22.37	22.50
4733	NASDAQ	PRFT	Fri, Dec 14, 2018	23.34	23.44	22.66	22.77
4732	NASDAQ	PRFT	Thu, Dec 13, 2018	23.80	24.02	23.45	23.49
4731	NASDAQ	PRFT	Wed, Dec 12, 2018	23.97	24.26	23.22	23.77
4730	NASDAQ	PRFT	Tue, Dec 11, 2018	24.16	24.16	23.41	23.70
4729	NASDAQ	PRFT	Mon, Dec 10, 2018	23.73	23.97	23.48	23.83
4728	NASDAQ	PRFT	Fri, Dec 7, 2018	24.49	24.55	23.57	23.71
4727	NASDAQ	PRFT	Thu, Dec 6, 2018	23.81	24.53	23.55	24.53
4726	NASDAQ	PRFT	Tue, Dec 4, 2018	25.36	25.49	24.07	24.13
4725	NASDAQ	PRFT	Mon, Dec 3, 2018	25.61	25.81	25.07	25.45
4724	NASDAQ	PRFT	Fri, Nov 30, 2018	24.86	25.36	24.68	25.31
4723	NASDAQ	PRFT	Thu, Nov 29, 2018	24.83	25.35	24.74	24.86
4722	NASDAQ	PRFT	Wed, Nov 28, 2018	24.46	25.02	24.31	25.02
4721	NASDAQ	PRFT	Tue, Nov 27, 2018	24.38	24.71	24.27	24.37
4720	NASDAQ	PRFT	Mon, Nov 26, 2018	24.30	24.67	24.07	24.54
4719	NASDAQ	PRFT	Fri, Nov 23, 2018	23.77	24.33	23.77	24.14
4718	NASDAQ	PRFT	Wed, Nov 21, 2018	23.77	24.22	23.48	23.99
4717	NASDAQ	PRFT	Tue, Nov 20, 2018	24.08	24.36	23.62	23.69
4716	NASDAQ	PRFT	Mon, Nov 19, 2018	24.81	24.92	24.33	24.34
4715	NASDAQ	PRFT	Fri, Nov 16, 2018	24.69	25.06	24.61	24.91
4714	NASDAQ	PRFT	Thu, Nov 15, 2018	24.53	25.04	23.88	24.82
4713	NASDAQ	PRFT	Wed, Nov 14, 2018	25.25	25.32	24.63	24.68
4712	NASDAQ	PRFT	Tue, Nov 13, 2018	25.21	25.29	24.96	25.05
4711	NASDAQ	PRFT	Mon, Nov 12, 2018	25.70	25.70	25.14	25.15
4710	NASDAQ	PRFT	Fri, Nov 9, 2018	25.91	26.09	25.38	25.69
4709	NASDAQ	PRFT	Thu, Nov 8, 2018	25.59	26.05	25.59	26.00
4708	NASDAQ	PRFT	Wed, Nov 7, 2018	24.90	25.76	24.78	25.73
4707	NASDAQ	PRFT	Tue, Nov 6, 2018	25.21	25.29	24.74	24.91
4706	NASDAQ	PRFT	Mon, Nov 5, 2018	25.17	25.54	24.95	25.29
4705	NASDAQ	PRFT	Fri, Nov 2, 2018	24.94	25.20	24.19	25.10
4704	NASDAQ	PRFT	Thu, Nov 1, 2018	25.83	25.83	24.43	24.93
4703	NASDAQ	PRFT	Wed, Oct 31, 2018	24.81	25.42	24.81	25.02
4702	NASDAQ	PRFT	Tue, Oct 30, 2018	24.69	24.95	24.51	24.74
4701	NASDAQ	PRFT	Mon, Oct 29, 2018	25.18	25.59	24.30	24.63
4700	NASDAQ	PRFT	Fri, Oct 26, 2018	24.67	25.10	24.41	24.74
4699	NASDAQ	PRFT	Thu, Oct 25, 2018	24.60	25.19	24.60	25.02
4698	NASDAQ	PRFT	Wed, Oct 24, 2018	25.39	25.39	24.47	24.48
4697	NASDAQ	PRFT	Tue, Oct 23, 2018	25.49	25.65	25.13	25.49
4696	NASDAQ	PRFT	Mon, Oct 22, 2018	25.70	26.03	25.36	25.73
4695	NASDAQ	PRFT	Fri, Oct 19, 2018	26.08	26.41	25.60	25.70
4694	NASDAQ	PRFT	Thu, Oct 18, 2018	25.95	26.34	25.84	26.09
4693	NASDAQ	PRFT	Wed, Oct 17, 2018	26.06	26.22	25.49	26.02
4692	NASDAQ	PRFT	Tue, Oct 16, 2018	25.44	26.22	25.21	26.14
4691	NASDAQ	PRFT	Mon, Oct 15, 2018	25.14	25.51	24.93	25.33
4690	NASDAQ	PRFT	Fri, Oct 12, 2018	25.62	25.85	24.84	25.14
4689	NASDAQ	PRFT	Thu, Oct 11, 2018	25.72	25.89	25.25	25.43
4688	NASDAQ	PRFT	Wed, Oct 10, 2018	26.35	26.78	25.75	25.85
4687	NASDAQ	PRFT	Tue, Oct 9, 2018	25.73	26.10	25.49	25.83
4686	NASDAQ	PRFT	Mon, Oct 8, 2018	25.82	25.95	25.38	25.82
4685	NASDAQ	PRFT	Fri, Oct 5, 2018	26.33	26.44	25.43	25.88
4684	NASDAQ	PRFT	Thu, Oct 4, 2018	26.38	26.44	25.91	26.32
4683	NASDAQ	PRFT	Wed, Oct 3, 2018	26.38	26.68	26.13	26.56
4682	NASDAQ	PRFT	Tue, Oct 2, 2018	26.36	26.41	26.01	26.35
4681	NASDAQ	PRFT	Mon, Oct 1, 2018	26.71	26.99	25.65	25.94
4680	NASDAQ	PRFT	Fri, Sep 28, 2018	26.55	26.95	26.18	26.65
4679	NASDAQ	PRFT	Thu, Sep 27, 2018	27.24	27.28	26.69	26.73
4678	NASDAQ	PRFT	Wed, Sep 26, 2018	27.39	27.63	27.16	27.29
4677	NASDAQ	PRFT	Tue, Sep 25, 2018	27.78	27.90	27.40	27.40
4676	NASDAQ	PRFT	Mon, Sep 24, 2018	28.00	28.06	27.71	27.74
4675	NASDAQ	PRFT	Fri, Sep 21, 2018	28.50	28.71	27.97	28.11
4674	NASDAQ	PRFT	Thu, Sep 20, 2018	28.22	28.52	27.92	28.50
4673	NASDAQ	PRFT	Wed, Sep 19, 2018	28.93	29.14	27.90	28.17
4672	NASDAQ	PRFT	Tue, Sep 18, 2018	29.29	29.52	29.01	29.07
4671	NASDAQ	PRFT	Mon, Sep 17, 2018	30.16	30.17	29.18	29.29
4670	NASDAQ	PRFT	Fri, Sep 14, 2018	30.53	30.55	30.05	30.17
4669	NASDAQ	PRFT	Thu, Sep 13, 2018	30.66	30.66	30.20	30.35
4668	NASDAQ	PRFT	Wed, Sep 12, 2018	30.19	30.54	30.01	30.24
4667	NASDAQ	PRFT	Tue, Sep 11, 2018	30.76	30.86	30.17	30.28
4666	NASDAQ	PRFT	Mon, Sep 10, 2018	29.75	31.09	29.32	30.75
4665	NASDAQ	PRFT	Fri, Sep 7, 2018	28.62	29.80	28.39	29.66
4664	NASDAQ	PRFT	Thu, Sep 6, 2018	30.09	30.16	28.34	28.62
4663	NASDAQ	PRFT	Wed, Sep 5, 2018	28.65	30.15	28.47	30.08
4662	NASDAQ	PRFT	Tue, Sep 4, 2018	28.66	28.83	28.40	28.76
4661	NASDAQ	PRFT	Fri, Aug 31, 2018	28.42	28.81	28.41	28.73
4660	NASDAQ	PRFT	Thu, Aug 30, 2018	28.41	28.65	28.23	28.48
4659	NASDAQ	PRFT	Wed, Aug 29, 2018	28.50	28.56	28.28	28.42
4658	NASDAQ	PRFT	Tue, Aug 28, 2018	28.29	28.62	28.20	28.36
4657	NASDAQ	PRFT	Mon, Aug 27, 2018	28.10	28.37	28.10	28.28
4656	NASDAQ	PRFT	Fri, Aug 24, 2018	27.80	28.24	27.80	28.03
4655	NASDAQ	PRFT	Thu, Aug 23, 2018	27.16	28.03	26.77	27.74
4654	NASDAQ	PRFT	Wed, Aug 22, 2018	27.16	27.44	27.03	27.25
4653	NASDAQ	PRFT	Tue, Aug 21, 2018	27.20	27.44	27.12	27.24
4652	NASDAQ	PRFT	Mon, Aug 20, 2018	27.26	27.55	27.17	27.20
4651	NASDAQ	PRFT	Fri, Aug 17, 2018	26.95	27.19	26.82	27.16
4650	NASDAQ	PRFT	Thu, Aug 16, 2018	26.91	27.17	26.67	27.02
4649	NASDAQ	PRFT	Wed, Aug 15, 2018	26.81	26.89	26.59	26.82
4648	NASDAQ	PRFT	Tue, Aug 14, 2018	26.69	27.06	26.59	26.86
4647	NASDAQ	PRFT	Mon, Aug 13, 2018	27.16	27.34	26.67	26.70
4646	NASDAQ	PRFT	Fri, Aug 10, 2018	27.13	27.37	26.82	27.15
4645	NASDAQ	PRFT	Thu, Aug 9, 2018	27.43	27.58	27.16	27.20
4644	NASDAQ	PRFT	Wed, Aug 8, 2018	27.72	27.88	27.38	27.42
4643	NASDAQ	PRFT	Tue, Aug 7, 2018	26.85	27.79	26.63	27.73
4642	NASDAQ	PRFT	Mon, Aug 6, 2018	26.44	26.87	26.44	26.80
4641	NASDAQ	PRFT	Fri, Aug 3, 2018	26.80	27.13	26.25	26.49
4640	NASDAQ	PRFT	Thu, Aug 2, 2018	27.01	27.01	25.72	26.68
4639	NASDAQ	PRFT	Wed, Aug 1, 2018	26.29	26.63	25.92	26.35
4638	NASDAQ	PRFT	Tue, Jul 31, 2018	26.26	26.69	26.09	26.32
4637	NASDAQ	PRFT	Mon, Jul 30, 2018	26.64	26.74	26.00	26.19
4636	NASDAQ	PRFT	Fri, Jul 27, 2018	27.34	27.42	26.61	26.68
4635	NASDAQ	PRFT	Thu, Jul 26, 2018	27.38	27.54	27.24	27.34
4634	NASDAQ	PRFT	Wed, Jul 25, 2018	27.19	27.42	26.84	27.42
4633	NASDAQ	PRFT	Tue, Jul 24, 2018	27.55	27.90	27.05	27.20
4632	NASDAQ	PRFT	Mon, Jul 23, 2018	26.96	27.54	26.80	27.46
4631	NASDAQ	PRFT	Fri, Jul 20, 2018	27.11	27.28	26.86	27.05
4630	NASDAQ	PRFT	Thu, Jul 19, 2018	27.12	27.24	26.99	27.12
4629	NASDAQ	PRFT	Wed, Jul 18, 2018	27.15	27.20	26.70	27.16
4628	NASDAQ	PRFT	Tue, Jul 17, 2018	27.07	27.53	27.07	27.19
4627	NASDAQ	PRFT	Mon, Jul 16, 2018	27.37	27.54	26.97	27.07
4626	NASDAQ	PRFT	Fri, Jul 13, 2018	27.00	27.45	26.84	27.24
4625	NASDAQ	PRFT	Thu, Jul 12, 2018	26.65	27.02	26.51	26.90
4624	NASDAQ	PRFT	Wed, Jul 11, 2018	26.54	26.82	26.18	26.62
4623	NASDAQ	PRFT	Tue, Jul 10, 2018	26.86	27.01	26.57	26.69
4622	NASDAQ	PRFT	Mon, Jul 9, 2018	26.73	26.84	26.58	26.80
4621	NASDAQ	PRFT	Fri, Jul 6, 2018	26.67	26.84	26.63	26.70
4620	NASDAQ	PRFT	Thu, Jul 5, 2018	26.46	26.67	25.85	26.64
4619	NASDAQ	PRFT	Tue, Jul 3, 2018	26.48	26.50	26.20	26.37
4618	NASDAQ	PRFT	Mon, Jul 2, 2018	26.21	26.40	26.11	26.36
4617	NASDAQ	PRFT	Fri, Jun 29, 2018	26.32	26.74	26.08	26.37
4616	NASDAQ	PRFT	Thu, Jun 28, 2018	26.03	26.37	26.03	26.34
4615	NASDAQ	PRFT	Wed, Jun 27, 2018	26.55	26.57	26.04	26.06
4614	NASDAQ	PRFT	Tue, Jun 26, 2018	26.47	26.66	26.43	26.53
4613	NASDAQ	PRFT	Mon, Jun 25, 2018	26.92	26.92	26.26	26.40
4612	NASDAQ	PRFT	Fri, Jun 22, 2018	27.01	27.17	26.50	27.02
4611	NASDAQ	PRFT	Thu, Jun 21, 2018	27.43	27.49	26.79	26.91
4610	NASDAQ	PRFT	Wed, Jun 20, 2018	27.25	27.51	27.14	27.45
4609	NASDAQ	PRFT	Tue, Jun 19, 2018	27.16	27.41	27.06	27.17
4608	NASDAQ	PRFT	Mon, Jun 18, 2018	26.98	27.42	26.74	27.32
4607	NASDAQ	PRFT	Fri, Jun 15, 2018	26.70	27.15	26.69	27.07
4606	NASDAQ	PRFT	Thu, Jun 14, 2018	26.92	27.04	26.71	26.79
4605	NASDAQ	PRFT	Wed, Jun 13, 2018	26.86	27.08	26.78	26.89
4604	NASDAQ	PRFT	Tue, Jun 12, 2018	26.81	27.05	26.76	26.88
4603	NASDAQ	PRFT	Mon, Jun 11, 2018	27.00	27.08	26.70	26.81
4602	NASDAQ	PRFT	Fri, Jun 8, 2018	26.90	27.05	26.81	26.91
4601	NASDAQ	PRFT	Thu, Jun 7, 2018	27.21	27.24	26.69	26.81
4600	NASDAQ	PRFT	Wed, Jun 6, 2018	27.26	27.26	26.94	27.24
4599	NASDAQ	PRFT	Tue, Jun 5, 2018	27.25	27.36	26.85	27.19
4598	NASDAQ	PRFT	Mon, Jun 4, 2018	26.44	27.24	26.35	27.23
4597	NASDAQ	PRFT	Fri, Jun 1, 2018	26.18	26.42	26.09	26.32
4596	NASDAQ	PRFT	Thu, May 31, 2018	26.01	26.14	25.85	26.11
4595	NASDAQ	PRFT	Wed, May 30, 2018	25.57	26.05	25.57	26.00
4594	NASDAQ	PRFT	Tue, May 29, 2018	25.31	25.62	25.25	25.57
4593	NASDAQ	PRFT	Fri, May 25, 2018	25.43	25.68	25.37	25.45
4592	NASDAQ	PRFT	Thu, May 24, 2018	25.40	25.52	25.15	25.50
4591	NASDAQ	PRFT	Wed, May 23, 2018	25.07	25.35	24.99	25.35
4590	NASDAQ	PRFT	Tue, May 22, 2018	25.17	25.35	24.98	25.05
4589	NASDAQ	PRFT	Mon, May 21, 2018	24.78	25.22	24.71	25.14
4588	NASDAQ	PRFT	Fri, May 18, 2018	24.59	24.88	24.58	24.78
4587	NASDAQ	PRFT	Thu, May 17, 2018	24.64	24.84	24.34	24.48
4586	NASDAQ	PRFT	Wed, May 16, 2018	24.69	24.84	24.53	24.63
4585	NASDAQ	PRFT	Tue, May 15, 2018	24.51	24.77	24.24	24.64
4584	NASDAQ	PRFT	Mon, May 14, 2018	24.85	24.85	24.49	24.62
4583	NASDAQ	PRFT	Fri, May 11, 2018	24.64	24.91	24.59	24.79
4582	NASDAQ	PRFT	Thu, May 10, 2018	23.98	24.69	23.82	24.65
4581	NASDAQ	PRFT	Wed, May 9, 2018	24.23	24.37	23.97	24.01
4580	NASDAQ	PRFT	Tue, May 8, 2018	23.99	24.36	23.99	24.20
4579	NASDAQ	PRFT	Mon, May 7, 2018	24.07	24.30	23.92	23.99
4578	NASDAQ	PRFT	Fri, May 4, 2018	23.63	24.41	23.50	24.02
4577	NASDAQ	PRFT	Thu, May 3, 2018	23.66	23.98	23.47	23.68
4576	NASDAQ	PRFT	Wed, May 2, 2018	24.00	24.15	23.64	23.80
4575	NASDAQ	PRFT	Tue, May 1, 2018	24.66	25.00	22.26	23.85
4574	NASDAQ	PRFT	Mon, Apr 30, 2018	24.64	24.76	24.43	24.73
4573	NASDAQ	PRFT	Fri, Apr 27, 2018	24.69	24.75	24.50	24.64
4572	NASDAQ	PRFT	Thu, Apr 26, 2018	24.18	24.66	24.18	24.63
4571	NASDAQ	PRFT	Wed, Apr 25, 2018	24.16	24.25	23.85	24.12
4570	NASDAQ	PRFT	Tue, Apr 24, 2018	24.21	24.41	23.87	24.10
4569	NASDAQ	PRFT	Mon, Apr 23, 2018	23.85	24.11	23.77	24.05
4568	NASDAQ	PRFT	Fri, Apr 20, 2018	23.95	24.14	22.90	23.86
4567	NASDAQ	PRFT	Thu, Apr 19, 2018	24.13	24.69	23.98	24.07
4566	NASDAQ	PRFT	Wed, Apr 18, 2018	24.09	24.25	24.00	24.16
4565	NASDAQ	PRFT	Tue, Apr 17, 2018	23.96	24.17	23.84	24.07
4564	NASDAQ	PRFT	Mon, Apr 16, 2018	23.70	23.98	23.56	23.86
4563	NASDAQ	PRFT	Fri, Apr 13, 2018	23.59	23.63	23.33	23.58
4562	NASDAQ	PRFT	Thu, Apr 12, 2018	23.49	24.03	23.49	23.57
4561	NASDAQ	PRFT	Wed, Apr 11, 2018	23.33	23.48	22.97	23.39
4560	NASDAQ	PRFT	Tue, Apr 10, 2018	23.21	23.43	23.08	23.28
4559	NASDAQ	PRFT	Mon, Apr 9, 2018	23.01	23.33	22.87	23.04
4558	NASDAQ	PRFT	Fri, Apr 6, 2018	23.31	23.56	22.64	22.88
4557	NASDAQ	PRFT	Thu, Apr 5, 2018	22.94	23.41	22.82	23.32
4556	NASDAQ	PRFT	Wed, Apr 4, 2018	22.68	22.90	22.29	22.71
4555	NASDAQ	PRFT	Tue, Apr 3, 2018	22.56	23.04	22.38	22.92
4554	NASDAQ	PRFT	Mon, Apr 2, 2018	22.92	22.99	22.20	22.33
4553	NASDAQ	PRFT	Thu, Mar 29, 2018	22.71	23.21	22.55	22.92
4552	NASDAQ	PRFT	Wed, Mar 28, 2018	22.63	22.80	22.31	22.53
4551	NASDAQ	PRFT	Tue, Mar 27, 2018	23.12	23.12	22.54	22.63
4550	NASDAQ	PRFT	Mon, Mar 26, 2018	23.07	23.48	22.70	23.11
4549	NASDAQ	PRFT	Fri, Mar 23, 2018	22.96	23.43	22.69	22.79
4548	NASDAQ	PRFT	Thu, Mar 22, 2018	23.38	23.93	22.86	23.07
4547	NASDAQ	PRFT	Wed, Mar 21, 2018	23.73	23.85	23.51	23.56
4546	NASDAQ	PRFT	Tue, Mar 20, 2018	23.90	24.02	23.55	23.74
4545	NASDAQ	PRFT	Mon, Mar 19, 2018	23.70	23.91	23.32	23.87
4544	NASDAQ	PRFT	Fri, Mar 16, 2018	23.63	23.95	23.30	23.71
4543	NASDAQ	PRFT	Thu, Mar 15, 2018	23.75	24.01	23.56	23.62
4542	NASDAQ	PRFT	Wed, Mar 14, 2018	23.92	23.93	22.82	23.75
4541	NASDAQ	PRFT	Tue, Mar 13, 2018	24.06	24.30	22.70	23.93
4540	NASDAQ	PRFT	Mon, Mar 12, 2018	23.91	24.27	23.90	24.12
4539	NASDAQ	PRFT	Fri, Mar 9, 2018	23.94	24.01	23.72	23.91
4538	NASDAQ	PRFT	Thu, Mar 8, 2018	23.60	23.92	23.40	23.76
4537	NASDAQ	PRFT	Wed, Mar 7, 2018	23.03	23.76	23.03	23.58
4536	NASDAQ	PRFT	Tue, Mar 6, 2018	22.65	23.21	22.48	23.18
4535	NASDAQ	PRFT	Mon, Mar 5, 2018	21.80	23.00	21.63	22.63
4534	NASDAQ	PRFT	Fri, Mar 2, 2018	20.25	22.10	19.99	22.02
4533	NASDAQ	PRFT	Thu, Mar 1, 2018	19.58	20.97	19.05	20.41
4532	NASDAQ	PRFT	Wed, Feb 28, 2018	19.60	19.89	19.47	19.47
4531	NASDAQ	PRFT	Tue, Feb 27, 2018	19.76	19.88	19.48	19.52
4530	NASDAQ	PRFT	Mon, Feb 26, 2018	19.60	19.94	19.60	19.77
4529	NASDAQ	PRFT	Fri, Feb 23, 2018	19.54	19.76	19.38	19.58
4528	NASDAQ	PRFT	Thu, Feb 22, 2018	19.76	19.79	19.35	19.43
4527	NASDAQ	PRFT	Wed, Feb 21, 2018	19.61	19.99	19.59	19.70
4526	NASDAQ	PRFT	Tue, Feb 20, 2018	19.46	19.75	19.31	19.59
4525	NASDAQ	PRFT	Fri, Feb 16, 2018	19.10	19.73	18.93	19.42
4524	NASDAQ	PRFT	Thu, Feb 15, 2018	18.84	19.25	18.71	19.16
4523	NASDAQ	PRFT	Wed, Feb 14, 2018	18.46	18.96	18.46	18.86
4522	NASDAQ	PRFT	Tue, Feb 13, 2018	18.59	18.91	18.55	18.60
4521	NASDAQ	PRFT	Mon, Feb 12, 2018	18.84	19.06	18.68	18.73
4520	NASDAQ	PRFT	Fri, Feb 9, 2018	18.64	19.01	18.34	18.80
4519	NASDAQ	PRFT	Thu, Feb 8, 2018	18.70	18.84	18.43	18.50
4518	NASDAQ	PRFT	Wed, Feb 7, 2018	18.55	18.76	18.41	18.68
4517	NASDAQ	PRFT	Tue, Feb 6, 2018	18.55	18.86	18.23	18.66
4516	NASDAQ	PRFT	Mon, Feb 5, 2018	19.06	19.34	18.53	18.53
4515	NASDAQ	PRFT	Fri, Feb 2, 2018	19.43	19.54	19.15	19.18
4514	NASDAQ	PRFT	Thu, Feb 1, 2018	19.34	19.71	18.99	19.52
4513	NASDAQ	PRFT	Wed, Jan 31, 2018	19.58	19.69	19.33	19.37
4512	NASDAQ	PRFT	Tue, Jan 30, 2018	19.88	20.11	19.56	19.58
4511	NASDAQ	PRFT	Mon, Jan 29, 2018	20.10	20.20	19.94	19.95
4510	NASDAQ	PRFT	Fri, Jan 26, 2018	19.99	20.29	19.93	20.12
4509	NASDAQ	PRFT	Thu, Jan 25, 2018	19.80	19.99	19.64	19.96
4508	NASDAQ	PRFT	Wed, Jan 24, 2018	19.95	19.99	19.70	19.73
4507	NASDAQ	PRFT	Tue, Jan 23, 2018	19.71	19.89	19.59	19.85
4506	NASDAQ	PRFT	Mon, Jan 22, 2018	19.75	19.81	19.48	19.79
4505	NASDAQ	PRFT	Fri, Jan 19, 2018	19.60	19.85	19.55	19.82
4504	NASDAQ	PRFT	Thu, Jan 18, 2018	19.74	19.80	19.48	19.62
4503	NASDAQ	PRFT	Wed, Jan 17, 2018	19.41	19.95	19.38	19.75
4502	NASDAQ	PRFT	Tue, Jan 16, 2018	19.71	19.88	19.35	19.37
4501	NASDAQ	PRFT	Fri, Jan 12, 2018	19.97	19.97	19.59	19.62
4500	NASDAQ	PRFT	Thu, Jan 11, 2018	19.72	19.99	19.54	19.90
4499	NASDAQ	PRFT	Wed, Jan 10, 2018	19.65	19.68	19.38	19.66
4498	NASDAQ	PRFT	Tue, Jan 9, 2018	19.74	19.96	19.56	19.77
4497	NASDAQ	PRFT	Mon, Jan 8, 2018	19.63	19.83	19.38	19.69
4496	NASDAQ	PRFT	Fri, Jan 5, 2018	19.64	19.85	19.51	19.69
4495	NASDAQ	PRFT	Thu, Jan 4, 2018	19.39	19.65	19.39	19.60
4494	NASDAQ	PRFT	Wed, Jan 3, 2018	19.34	19.56	19.21	19.38
4493	NASDAQ	PRFT	Tue, Jan 2, 2018	19.17	19.60	19.17	19.40
4492	NASDAQ	PRFT	Fri, Dec 29, 2017	19.33	19.33	19.06	19.07
4491	NASDAQ	PRFT	Thu, Dec 28, 2017	19.25	19.36	19.19	19.32
4490	NASDAQ	PRFT	Wed, Dec 27, 2017	19.41	19.41	19.19	19.26
4489	NASDAQ	PRFT	Tue, Dec 26, 2017	19.63	19.66	19.16	19.36
4488	NASDAQ	PRFT	Fri, Dec 22, 2017	19.45	19.75	19.32	19.72
4487	NASDAQ	PRFT	Thu, Dec 21, 2017	19.50	19.86	19.50	19.55
4486	NASDAQ	PRFT	Wed, Dec 20, 2017	19.47	19.55	19.26	19.43
4485	NASDAQ	PRFT	Tue, Dec 19, 2017	19.58	19.65	19.28	19.40
4484	NASDAQ	PRFT	Mon, Dec 18, 2017	19.59	19.80	19.54	19.58
4483	NASDAQ	PRFT	Fri, Dec 15, 2017	19.28	19.62	19.28	19.45
4482	NASDAQ	PRFT	Thu, Dec 14, 2017	19.42	19.78	19.22	19.24
4481	NASDAQ	PRFT	Wed, Dec 13, 2017	19.17	19.58	19.17	19.38
4480	NASDAQ	PRFT	Tue, Dec 12, 2017	19.14	19.45	19.10	19.18
4479	NASDAQ	PRFT	Mon, Dec 11, 2017	18.93	19.38	18.92	19.14
4478	NASDAQ	PRFT	Fri, Dec 8, 2017	19.06	19.11	18.78	18.95
4477	NASDAQ	PRFT	Thu, Dec 7, 2017	19.33	19.41	18.92	18.95
4476	NASDAQ	PRFT	Wed, Dec 6, 2017	19.13	19.61	19.13	19.40
4475	NASDAQ	PRFT	Tue, Dec 5, 2017	19.28	19.40	19.00	19.20
4474	NASDAQ	PRFT	Mon, Dec 4, 2017	19.35	19.67	19.26	19.26
4473	NASDAQ	PRFT	Fri, Dec 1, 2017	19.40	19.40	18.78	19.20
4472	NASDAQ	PRFT	Thu, Nov 30, 2017	19.44	19.63	19.22	19.36
4471	NASDAQ	PRFT	Wed, Nov 29, 2017	19.34	19.61	19.34	19.40
4470	NASDAQ	PRFT	Tue, Nov 28, 2017	19.29	19.47	19.22	19.37
4469	NASDAQ	PRFT	Mon, Nov 27, 2017	19.49	19.79	19.20	19.21
4468	NASDAQ	PRFT	Fri, Nov 24, 2017	19.38	19.60	19.28	19.50
4467	NASDAQ	PRFT	Wed, Nov 22, 2017	19.37	19.80	19.35	19.36
4466	NASDAQ	PRFT	Tue, Nov 21, 2017	19.50	19.50	19.23	19.38
4465	NASDAQ	PRFT	Mon, Nov 20, 2017	19.39	19.47	18.33	19.47
4464	NASDAQ	PRFT	Fri, Nov 17, 2017	19.16	19.49	19.12	19.28
4463	NASDAQ	PRFT	Thu, Nov 16, 2017	19.05	19.47	17.86	19.30
4462	NASDAQ	PRFT	Wed, Nov 15, 2017	18.79	19.12	18.72	18.93
4461	NASDAQ	PRFT	Tue, Nov 14, 2017	18.69	19.05	18.57	18.94
4460	NASDAQ	PRFT	Mon, Nov 13, 2017	18.55	19.06	18.00	18.84
4459	NASDAQ	PRFT	Fri, Nov 10, 2017	18.50	18.86	18.41	18.69
4458	NASDAQ	PRFT	Thu, Nov 9, 2017	18.50	18.83	18.41	18.49
4457	NASDAQ	PRFT	Wed, Nov 8, 2017	18.42	18.82	18.30	18.61
4456	NASDAQ	PRFT	Tue, Nov 7, 2017	18.98	19.12	18.18	18.44
4455	NASDAQ	PRFT	Mon, Nov 6, 2017	18.85	19.20	18.54	19.03
4454	NASDAQ	PRFT	Fri, Nov 3, 2017	19.38	19.38	18.64	19.00
4453	NASDAQ	PRFT	Thu, Nov 2, 2017	19.00	19.46	18.92	19.39
4452	NASDAQ	PRFT	Wed, Nov 1, 2017	19.45	19.45	17.65	19.15
4451	NASDAQ	PRFT	Tue, Oct 31, 2017	19.12	19.47	19.12	19.45
4450	NASDAQ	PRFT	Mon, Oct 30, 2017	19.40	19.43	18.92	19.04
4449	NASDAQ	PRFT	Fri, Oct 27, 2017	19.47	19.47	19.17	19.46
4448	NASDAQ	PRFT	Thu, Oct 26, 2017	19.30	19.44	19.23	19.40
4447	NASDAQ	PRFT	Wed, Oct 25, 2017	19.26	19.39	19.19	19.29
4446	NASDAQ	PRFT	Tue, Oct 24, 2017	19.42	19.45	19.25	19.28
4445	NASDAQ	PRFT	Mon, Oct 23, 2017	19.71	19.72	19.38	19.45
4444	NASDAQ	PRFT	Fri, Oct 20, 2017	19.76	19.76	19.59	19.70
4443	NASDAQ	PRFT	Thu, Oct 19, 2017	19.64	19.84	19.50	19.59
4442	NASDAQ	PRFT	Wed, Oct 18, 2017	19.70	19.80	19.62	19.69
4441	NASDAQ	PRFT	Tue, Oct 17, 2017	19.91	19.95	19.66	19.75
4440	NASDAQ	PRFT	Mon, Oct 16, 2017	20.00	20.10	19.75	19.93
4439	NASDAQ	PRFT	Fri, Oct 13, 2017	19.98	20.19	19.93	19.96
4438	NASDAQ	PRFT	Thu, Oct 12, 2017	19.87	20.00	19.69	19.99
4437	NASDAQ	PRFT	Wed, Oct 11, 2017	19.94	20.22	19.89	19.95
4436	NASDAQ	PRFT	Tue, Oct 10, 2017	19.77	19.94	19.74	19.90
4435	NASDAQ	PRFT	Mon, Oct 9, 2017	19.73	19.88	19.70	19.74
4434	NASDAQ	PRFT	Fri, Oct 6, 2017	19.74	19.80	19.53	19.72
4433	NASDAQ	PRFT	Thu, Oct 5, 2017	19.90	19.90	19.52	19.70
4432	NASDAQ	PRFT	Wed, Oct 4, 2017	19.79	19.95	19.76	19.88
4431	NASDAQ	PRFT	Tue, Oct 3, 2017	19.81	19.90	19.66	19.77
4430	NASDAQ	PRFT	Mon, Oct 2, 2017	19.75	19.86	19.47	19.82
4429	NASDAQ	PRFT	Fri, Sep 29, 2017	19.48	19.74	18.56	19.67
4428	NASDAQ	PRFT	Thu, Sep 28, 2017	19.24	19.49	19.16	19.43
4427	NASDAQ	PRFT	Wed, Sep 27, 2017	19.13	19.37	18.99	19.35
4426	NASDAQ	PRFT	Tue, Sep 26, 2017	18.74	19.10	18.70	19.01
4425	NASDAQ	PRFT	Mon, Sep 25, 2017	18.55	18.69	18.34	18.66
4424	NASDAQ	PRFT	Fri, Sep 22, 2017	18.44	18.67	18.44	18.51
4423	NASDAQ	PRFT	Thu, Sep 21, 2017	18.65	18.71	18.38	18.44
4422	NASDAQ	PRFT	Wed, Sep 20, 2017	18.24	18.89	18.13	18.65
4421	NASDAQ	PRFT	Tue, Sep 19, 2017	18.21	18.31	18.10	18.20
4420	NASDAQ	PRFT	Mon, Sep 18, 2017	18.21	18.44	18.20	18.24
4419	NASDAQ	PRFT	Fri, Sep 15, 2017	18.26	18.38	18.10	18.18
4418	NASDAQ	PRFT	Thu, Sep 14, 2017	18.39	18.42	17.87	18.24
4417	NASDAQ	PRFT	Wed, Sep 13, 2017	18.36	18.59	18.29	18.39
4416	NASDAQ	PRFT	Tue, Sep 12, 2017	18.37	18.59	18.31	18.42
4415	NASDAQ	PRFT	Mon, Sep 11, 2017	18.29	18.48	18.25	18.39
4414	NASDAQ	PRFT	Fri, Sep 8, 2017	18.26	18.32	18.02	18.15
4413	NASDAQ	PRFT	Thu, Sep 7, 2017	18.21	18.39	17.98	18.25
4412	NASDAQ	PRFT	Wed, Sep 6, 2017	18.39	18.39	18.08	18.15
4411	NASDAQ	PRFT	Tue, Sep 5, 2017	18.37	18.42	17.96	18.29
4410	NASDAQ	PRFT	Fri, Sep 1, 2017	18.40	18.40	18.19	18.38
4409	NASDAQ	PRFT	Thu, Aug 31, 2017	17.99	18.36	17.99	18.30
4408	NASDAQ	PRFT	Wed, Aug 30, 2017	17.89	18.00	17.85	18.00
4407	NASDAQ	PRFT	Tue, Aug 29, 2017	17.64	17.89	17.64	17.88
4406	NASDAQ	PRFT	Mon, Aug 28, 2017	17.73	17.83	17.53	17.78
4405	NASDAQ	PRFT	Fri, Aug 25, 2017	17.62	17.73	17.45	17.71
4404	NASDAQ	PRFT	Thu, Aug 24, 2017	17.68	17.75	17.45	17.61
4403	NASDAQ	PRFT	Wed, Aug 23, 2017	17.61	17.71	17.60	17.65
4402	NASDAQ	PRFT	Tue, Aug 22, 2017	17.74	17.77	17.57	17.75
4401	NASDAQ	PRFT	Mon, Aug 21, 2017	17.65	17.75	17.57	17.71
4400	NASDAQ	PRFT	Fri, Aug 18, 2017	17.46	17.65	17.46	17.62
4399	NASDAQ	PRFT	Thu, Aug 17, 2017	17.68	17.82	17.51	17.60
4398	NASDAQ	PRFT	Wed, Aug 16, 2017	17.60	17.85	17.53	17.71
4397	NASDAQ	PRFT	Tue, Aug 15, 2017	17.76	17.79	17.46	17.48
4396	NASDAQ	PRFT	Mon, Aug 14, 2017	17.17	17.73	17.17	17.68
4395	NASDAQ	PRFT	Fri, Aug 11, 2017	17.51	17.51	17.07	17.09
4394	NASDAQ	PRFT	Thu, Aug 10, 2017	17.55	17.71	17.38	17.39
4393	NASDAQ	PRFT	Wed, Aug 9, 2017	17.58	17.81	17.54	17.62
4392	NASDAQ	PRFT	Tue, Aug 8, 2017	17.44	17.86	17.21	17.66
4391	NASDAQ	PRFT	Mon, Aug 7, 2017	17.26	17.69	16.99	17.52
4390	NASDAQ	PRFT	Fri, Aug 4, 2017	17.17	17.46	16.96	17.25
4389	NASDAQ	PRFT	Thu, Aug 3, 2017	18.13	18.72	16.70	17.01
4388	NASDAQ	PRFT	Wed, Aug 2, 2017	19.05	19.05	18.34	18.41
4387	NASDAQ	PRFT	Tue, Aug 1, 2017	18.79	19.02	18.60	18.99
4386	NASDAQ	PRFT	Mon, Jul 31, 2017	18.88	18.88	18.61	18.80
4385	NASDAQ	PRFT	Fri, Jul 28, 2017	18.61	18.82	18.58	18.79
4384	NASDAQ	PRFT	Thu, Jul 27, 2017	18.72	18.95	18.55	18.73
4383	NASDAQ	PRFT	Wed, Jul 26, 2017	18.76	18.98	18.61	18.67
4382	NASDAQ	PRFT	Tue, Jul 25, 2017	18.62	18.81	18.61	18.75
4381	NASDAQ	PRFT	Mon, Jul 24, 2017	18.58	18.64	18.39	18.57
4380	NASDAQ	PRFT	Fri, Jul 21, 2017	18.68	18.68	18.42	18.56
4379	NASDAQ	PRFT	Thu, Jul 20, 2017	18.59	18.60	18.52	18.58
4378	NASDAQ	PRFT	Wed, Jul 19, 2017	18.62	18.63	18.45	18.59
4377	NASDAQ	PRFT	Tue, Jul 18, 2017	18.50	18.54	18.32	18.54
4376	NASDAQ	PRFT	Mon, Jul 17, 2017	18.52	18.65	18.41	18.50
4375	NASDAQ	PRFT	Fri, Jul 14, 2017	18.60	18.72	18.45	18.53
4374	NASDAQ	PRFT	Thu, Jul 13, 2017	18.29	18.72	18.27	18.63
4373	NASDAQ	PRFT	Wed, Jul 12, 2017	18.35	18.57	18.28	18.33
4372	NASDAQ	PRFT	Tue, Jul 11, 2017	18.16	18.53	17.90	18.29
4371	NASDAQ	PRFT	Mon, Jul 10, 2017	18.14	18.38	17.87	18.10
4370	NASDAQ	PRFT	Fri, Jul 7, 2017	18.00	18.24	17.92	18.12
4369	NASDAQ	PRFT	Thu, Jul 6, 2017	18.11	18.12	17.85	17.91
4368	NASDAQ	PRFT	Wed, Jul 5, 2017	18.59	18.59	18.01	18.15
4367	NASDAQ	PRFT	Mon, Jul 3, 2017	18.64	18.77	18.07	18.58
4366	NASDAQ	PRFT	Fri, Jun 30, 2017	18.71	18.74	18.38	18.64
4365	NASDAQ	PRFT	Thu, Jun 29, 2017	18.95	18.95	18.45	18.64
4364	NASDAQ	PRFT	Wed, Jun 28, 2017	18.93	19.12	18.79	18.94
4363	NASDAQ	PRFT	Tue, Jun 27, 2017	18.93	18.97	18.64	18.83
4362	NASDAQ	PRFT	Mon, Jun 26, 2017	18.50	18.98	18.34	18.92
4361	NASDAQ	PRFT	Fri, Jun 23, 2017	17.72	18.57	17.69	18.47
4360	NASDAQ	PRFT	Thu, Jun 22, 2017	17.43	17.66	17.39	17.55
4359	NASDAQ	PRFT	Wed, Jun 21, 2017	17.26	17.54	17.08	17.40
4358	NASDAQ	PRFT	Tue, Jun 20, 2017	17.43	17.58	17.17	17.23
4357	NASDAQ	PRFT	Mon, Jun 19, 2017	17.40	17.49	17.21	17.43
4356	NASDAQ	PRFT	Fri, Jun 16, 2017	17.38	17.45	17.18	17.38
4355	NASDAQ	PRFT	Thu, Jun 15, 2017	17.43	17.57	17.32	17.55
4354	NASDAQ	PRFT	Wed, Jun 14, 2017	17.59	17.68	17.47	17.61
4353	NASDAQ	PRFT	Tue, Jun 13, 2017	17.49	17.65	17.31	17.53
4352	NASDAQ	PRFT	Mon, Jun 12, 2017	17.19	17.51	17.19	17.38
4351	NASDAQ	PRFT	Fri, Jun 9, 2017	17.27	17.52	17.11	17.25
4350	NASDAQ	PRFT	Thu, Jun 8, 2017	17.08	17.36	17.05	17.26
4349	NASDAQ	PRFT	Wed, Jun 7, 2017	17.14	17.29	16.97	17.11
4348	NASDAQ	PRFT	Tue, Jun 6, 2017	17.17	17.31	17.00	17.15
4347	NASDAQ	PRFT	Mon, Jun 5, 2017	17.45	17.45	17.19	17.27
4346	NASDAQ	PRFT	Fri, Jun 2, 2017	17.61	17.84	17.42	17.46
4345	NASDAQ	PRFT	Thu, Jun 1, 2017	17.27	17.60	17.26	17.58
4344	NASDAQ	PRFT	Wed, May 31, 2017	17.28	17.57	17.27	17.27
4343	NASDAQ	PRFT	Tue, May 30, 2017	16.93	17.30	16.88	17.20
4342	NASDAQ	PRFT	Fri, May 26, 2017	17.59	17.59	16.82	16.87
4341	NASDAQ	PRFT	Thu, May 25, 2017	17.04	17.65	16.97	17.60
4340	NASDAQ	PRFT	Wed, May 24, 2017	16.87	17.02	16.84	16.95
4339	NASDAQ	PRFT	Tue, May 23, 2017	16.72	16.94	16.62	16.85
4338	NASDAQ	PRFT	Mon, May 22, 2017	16.50	16.79	16.50	16.63
4337	NASDAQ	PRFT	Fri, May 19, 2017	16.68	16.81	16.45	16.47
4336	NASDAQ	PRFT	Thu, May 18, 2017	16.71	16.80	16.60	16.68
4335	NASDAQ	PRFT	Wed, May 17, 2017	16.91	17.08	16.66	16.68
4334	NASDAQ	PRFT	Tue, May 16, 2017	17.03	17.15	16.81	17.08
4333	NASDAQ	PRFT	Mon, May 15, 2017	16.36	16.97	16.34	16.97
4332	NASDAQ	PRFT	Fri, May 12, 2017	16.30	16.50	16.29	16.37
4331	NASDAQ	PRFT	Thu, May 11, 2017	16.80	16.90	16.37	16.37
4330	NASDAQ	PRFT	Wed, May 10, 2017	16.95	17.07	16.81	16.88
4329	NASDAQ	PRFT	Tue, May 9, 2017	16.84	17.18	16.75	17.03
4328	NASDAQ	PRFT	Mon, May 8, 2017	16.66	17.10	16.54	16.82
4327	NASDAQ	PRFT	Fri, May 5, 2017	16.61	16.89	16.23	16.60
4326	NASDAQ	PRFT	Thu, May 4, 2017	16.36	17.19	16.20	16.62
4325	NASDAQ	PRFT	Wed, May 3, 2017	17.30	17.38	17.02	17.29
4324	NASDAQ	PRFT	Tue, May 2, 2017	17.35	17.42	17.30	17.37
4323	NASDAQ	PRFT	Mon, May 1, 2017	17.45	17.53	17.28	17.35
4322	NASDAQ	PRFT	Fri, Apr 28, 2017	17.56	17.57	17.33	17.42
4321	NASDAQ	PRFT	Thu, Apr 27, 2017	17.65	17.75	17.51	17.57
4320	NASDAQ	PRFT	Wed, Apr 26, 2017	17.62	17.81	17.58	17.64
4319	NASDAQ	PRFT	Tue, Apr 25, 2017	17.57	17.81	17.53	17.65
4318	NASDAQ	PRFT	Mon, Apr 24, 2017	17.89	17.89	17.43	17.45
4317	NASDAQ	PRFT	Fri, Apr 21, 2017	17.52	17.73	17.40	17.64
4316	NASDAQ	PRFT	Thu, Apr 20, 2017	17.30	17.56	17.30	17.52
4315	NASDAQ	PRFT	Wed, Apr 19, 2017	17.26	17.33	17.17	17.25
4314	NASDAQ	PRFT	Tue, Apr 18, 2017	17.03	17.20	16.92	17.17
4313	NASDAQ	PRFT	Mon, Apr 17, 2017	16.99	17.08	16.83	17.05
4312	NASDAQ	PRFT	Thu, Apr 13, 2017	17.04	17.29	16.90	16.96
4311	NASDAQ	PRFT	Wed, Apr 12, 2017	17.14	17.17	16.91	17.01
4310	NASDAQ	PRFT	Tue, Apr 11, 2017	17.00	17.33	16.96	17.17
4309	NASDAQ	PRFT	Mon, Apr 10, 2017	17.00	17.30	16.92	17.02
4308	NASDAQ	PRFT	Fri, Apr 7, 2017	16.89	17.22	16.72	17.08
4307	NASDAQ	PRFT	Thu, Apr 6, 2017	16.92	16.96	16.74	16.92
4306	NASDAQ	PRFT	Wed, Apr 5, 2017	17.00	17.29	16.80	16.92
4305	NASDAQ	PRFT	Tue, Apr 4, 2017	16.81	17.18	16.71	16.91
4304	NASDAQ	PRFT	Mon, Apr 3, 2017	17.50	17.50	16.76	16.83
4303	NASDAQ	PRFT	Fri, Mar 31, 2017	17.26	17.38	17.09	17.36
4302	NASDAQ	PRFT	Thu, Mar 30, 2017	17.01	17.42	16.97	17.21
4301	NASDAQ	PRFT	Wed, Mar 29, 2017	17.10	17.10	16.80	16.98
4300	NASDAQ	PRFT	Tue, Mar 28, 2017	17.24	17.24	17.04	17.09
4299	NASDAQ	PRFT	Mon, Mar 27, 2017	17.20	17.38	16.99	17.27
4298	NASDAQ	PRFT	Fri, Mar 24, 2017	17.35	17.52	17.28	17.36
4297	NASDAQ	PRFT	Thu, Mar 23, 2017	17.31	17.43	17.26	17.33
4296	NASDAQ	PRFT	Wed, Mar 22, 2017	17.62	17.68	17.30	17.48
4295	NASDAQ	PRFT	Tue, Mar 21, 2017	18.08	18.08	17.66	17.67
4294	NASDAQ	PRFT	Mon, Mar 20, 2017	18.10	18.33	17.90	18.04
4293	NASDAQ	PRFT	Fri, Mar 17, 2017	18.29	18.36	18.03	18.15
4292	NASDAQ	PRFT	Thu, Mar 16, 2017	17.89	18.51	17.89	18.46
4291	NASDAQ	PRFT	Wed, Mar 15, 2017	17.89	17.98	17.81	17.83
4290	NASDAQ	PRFT	Tue, Mar 14, 2017	18.08	18.24	17.78	17.78
4289	NASDAQ	PRFT	Mon, Mar 13, 2017	17.98	18.37	17.88	18.24
4288	NASDAQ	PRFT	Fri, Mar 10, 2017	17.79	18.00	17.79	17.97
4287	NASDAQ	PRFT	Thu, Mar 9, 2017	17.77	17.85	17.68	17.73
4286	NASDAQ	PRFT	Wed, Mar 8, 2017	17.72	17.91	17.52	17.75
4285	NASDAQ	PRFT	Tue, Mar 7, 2017	17.82	17.84	17.63	17.71
4284	NASDAQ	PRFT	Mon, Mar 6, 2017	17.73	17.95	17.63	17.87
4283	NASDAQ	PRFT	Fri, Mar 3, 2017	18.20	18.26	17.79	17.86
4282	NASDAQ	PRFT	Thu, Mar 2, 2017	18.32	18.60	18.18	18.24
4281	NASDAQ	PRFT	Wed, Mar 1, 2017	18.45	18.70	18.18	18.36
4280	NASDAQ	PRFT	Tue, Feb 28, 2017	18.88	19.06	17.80	18.17
4279	NASDAQ	PRFT	Mon, Feb 27, 2017	17.90	18.05	17.68	17.96
4278	NASDAQ	PRFT	Fri, Feb 24, 2017	18.01	18.11	17.85	17.91
4277	NASDAQ	PRFT	Thu, Feb 23, 2017	18.22	18.22	18.05	18.13
4276	NASDAQ	PRFT	Wed, Feb 22, 2017	18.07	18.27	18.02	18.22
4275	NASDAQ	PRFT	Tue, Feb 21, 2017	18.40	18.40	18.07	18.20
4274	NASDAQ	PRFT	Fri, Feb 17, 2017	18.30	18.35	18.13	18.29
4273	NASDAQ	PRFT	Thu, Feb 16, 2017	18.30	18.50	18.17	18.30
4272	NASDAQ	PRFT	Wed, Feb 15, 2017	18.00	18.32	18.00	18.28
4271	NASDAQ	PRFT	Tue, Feb 14, 2017	17.92	18.15	17.84	18.12
4270	NASDAQ	PRFT	Mon, Feb 13, 2017	18.13	18.29	17.97	18.04
4269	NASDAQ	PRFT	Fri, Feb 10, 2017	18.07	18.15	17.92	18.08
4268	NASDAQ	PRFT	Thu, Feb 9, 2017	17.61	18.09	17.61	18.04
4267	NASDAQ	PRFT	Wed, Feb 8, 2017	17.53	17.71	17.45	17.62
4266	NASDAQ	PRFT	Tue, Feb 7, 2017	17.87	18.01	17.55	17.60
4265	NASDAQ	PRFT	Mon, Feb 6, 2017	17.88	17.94	17.78	17.84
4264	NASDAQ	PRFT	Fri, Feb 3, 2017	17.71	18.00	17.58	17.99
4263	NASDAQ	PRFT	Thu, Feb 2, 2017	17.58	17.85	17.41	17.58
4262	NASDAQ	PRFT	Wed, Feb 1, 2017	17.88	17.92	17.48	17.56
4261	NASDAQ	PRFT	Tue, Jan 31, 2017	17.65	17.79	17.57	17.73
4260	NASDAQ	PRFT	Mon, Jan 30, 2017	17.89	17.98	17.56	17.71
4259	NASDAQ	PRFT	Fri, Jan 27, 2017	18.01	18.03	17.83	17.97
4258	NASDAQ	PRFT	Thu, Jan 26, 2017	18.07	18.07	17.75	17.88
4257	NASDAQ	PRFT	Wed, Jan 25, 2017	17.95	18.17	17.95	18.13
4256	NASDAQ	PRFT	Tue, Jan 24, 2017	17.63	18.00	17.62	17.85
4255	NASDAQ	PRFT	Mon, Jan 23, 2017	17.60	17.70	17.50	17.60
4254	NASDAQ	PRFT	Fri, Jan 20, 2017	17.70	17.77	17.55	17.65
4253	NASDAQ	PRFT	Thu, Jan 19, 2017	17.66	17.78	17.54	17.66
4252	NASDAQ	PRFT	Wed, Jan 18, 2017	17.74	17.76	17.57	17.65
4251	NASDAQ	PRFT	Tue, Jan 17, 2017	17.79	17.88	17.63	17.65
4250	NASDAQ	PRFT	Fri, Jan 13, 2017	17.68	17.95	17.53	17.93
4249	NASDAQ	PRFT	Thu, Jan 12, 2017	17.55	17.66	17.44	17.58
4248	NASDAQ	PRFT	Wed, Jan 11, 2017	17.56	17.88	17.48	17.68
4247	NASDAQ	PRFT	Tue, Jan 10, 2017	17.48	17.65	17.47	17.56
4246	NASDAQ	PRFT	Mon, Jan 9, 2017	17.47	17.70	17.32	17.43
4245	NASDAQ	PRFT	Fri, Jan 6, 2017	17.75	17.78	17.51	17.55
4244	NASDAQ	PRFT	Thu, Jan 5, 2017	17.82	18.06	17.64	17.66
4243	NASDAQ	PRFT	Wed, Jan 4, 2017	17.87	18.04	17.66	17.76
4242	NASDAQ	PRFT	Tue, Jan 3, 2017	17.70	18.22	17.68	17.70
4241	NASDAQ	PRFT	Fri, Dec 30, 2016	17.64	17.65	17.46	17.49
4240	NASDAQ	PRFT	Thu, Dec 29, 2016	17.82	18.00	17.63	17.66
4239	NASDAQ	PRFT	Wed, Dec 28, 2016	18.32	18.32	17.74	17.78
4238	NASDAQ	PRFT	Tue, Dec 27, 2016	18.08	18.40	18.04	18.25
4237	NASDAQ	PRFT	Fri, Dec 23, 2016	18.24	18.31	17.93	18.10
4236	NASDAQ	PRFT	Thu, Dec 22, 2016	18.64	18.70	18.17	18.24
4235	NASDAQ	PRFT	Wed, Dec 21, 2016	18.72	18.87	18.35	18.74
4234	NASDAQ	PRFT	Tue, Dec 20, 2016	18.94	19.05	18.62	18.80
4233	NASDAQ	PRFT	Mon, Dec 19, 2016	18.87	19.07	18.67	18.81
4232	NASDAQ	PRFT	Fri, Dec 16, 2016	19.32	19.32	18.71	19.32
4231	NASDAQ	PRFT	Thu, Dec 15, 2016	19.33	19.66	19.15	19.27
4230	NASDAQ	PRFT	Wed, Dec 14, 2016	19.15	19.32	18.95	19.31
4229	NASDAQ	PRFT	Tue, Dec 13, 2016	19.02	19.20	18.91	19.12
4228	NASDAQ	PRFT	Mon, Dec 12, 2016	18.79	19.04	18.66	18.93
4227	NASDAQ	PRFT	Fri, Dec 9, 2016	18.50	18.81	18.44	18.76
4226	NASDAQ	PRFT	Thu, Dec 8, 2016	17.97	18.67	17.97	18.49
4225	NASDAQ	PRFT	Wed, Dec 7, 2016	17.99	18.14	17.95	17.98
4224	NASDAQ	PRFT	Tue, Dec 6, 2016	18.10	18.10	17.91	17.98
4223	NASDAQ	PRFT	Mon, Dec 5, 2016	17.93	18.22	17.90	18.04
4222	NASDAQ	PRFT	Fri, Dec 2, 2016	17.85	17.92	17.67	17.68
4221	NASDAQ	PRFT	Thu, Dec 1, 2016	18.01	18.22	17.77	17.81
4220	NASDAQ	PRFT	Wed, Nov 30, 2016	18.27	18.32	17.94	18.00
4219	NASDAQ	PRFT	Tue, Nov 29, 2016	18.19	18.41	18.04	18.06
4218	NASDAQ	PRFT	Mon, Nov 28, 2016	17.95	18.31	17.54	18.12
4217	NASDAQ	PRFT	Fri, Nov 25, 2016	18.04	18.16	17.95	18.02
4216	NASDAQ	PRFT	Wed, Nov 23, 2016	18.03	18.08	17.95	18.00
4215	NASDAQ	PRFT	Tue, Nov 22, 2016	18.01	18.09	17.76	18.04
4214	NASDAQ	PRFT	Mon, Nov 21, 2016	18.00	18.21	17.77	18.00
4213	NASDAQ	PRFT	Fri, Nov 18, 2016	18.00	18.17	17.88	18.00
4212	NASDAQ	PRFT	Thu, Nov 17, 2016	17.68	18.10	17.68	17.91
4211	NASDAQ	PRFT	Wed, Nov 16, 2016	17.51	17.97	17.48	17.70
4210	NASDAQ	PRFT	Tue, Nov 15, 2016	17.51	17.58	17.20	17.46
4209	NASDAQ	PRFT	Mon, Nov 14, 2016	17.62	18.05	17.29	17.50
4208	NASDAQ	PRFT	Fri, Nov 11, 2016	16.87	18.35	16.75	17.50
4207	NASDAQ	PRFT	Thu, Nov 10, 2016	16.76	17.05	16.35	16.87
4206	NASDAQ	PRFT	Wed, Nov 9, 2016	16.00	16.74	15.75	16.62
4205	NASDAQ	PRFT	Tue, Nov 8, 2016	15.29	16.30	15.24	16.22
4204	NASDAQ	PRFT	Mon, Nov 7, 2016	14.48	15.41	14.48	15.36
4203	NASDAQ	PRFT	Fri, Nov 4, 2016	14.78	15.43	14.15	14.27
4202	NASDAQ	PRFT	Thu, Nov 3, 2016	15.40	16.43	15.40	15.86
4201	NASDAQ	PRFT	Wed, Nov 2, 2016	18.35	18.63	17.87	17.88
4200	NASDAQ	PRFT	Tue, Nov 1, 2016	18.59	18.64	18.27	18.33
4199	NASDAQ	PRFT	Mon, Oct 31, 2016	18.43	18.71	18.21	18.61
4198	NASDAQ	PRFT	Fri, Oct 28, 2016	18.42	18.61	18.34	18.39
4197	NASDAQ	PRFT	Thu, Oct 27, 2016	18.73	19.09	18.37	18.47
4196	NASDAQ	PRFT	Wed, Oct 26, 2016	18.76	18.92	18.61	18.69
4195	NASDAQ	PRFT	Tue, Oct 25, 2016	18.62	18.99	18.50	18.86
4194	NASDAQ	PRFT	Mon, Oct 24, 2016	18.40	18.79	18.36	18.64
4193	NASDAQ	PRFT	Fri, Oct 21, 2016	18.52	19.07	18.37	18.40
4192	NASDAQ	PRFT	Thu, Oct 20, 2016	18.89	18.91	18.64	18.66
4191	NASDAQ	PRFT	Wed, Oct 19, 2016	18.90	19.10	18.77	18.97
4190	NASDAQ	PRFT	Tue, Oct 18, 2016	19.10	19.10	18.82	18.84
4189	NASDAQ	PRFT	Mon, Oct 17, 2016	19.10	19.14	18.91	18.91
4188	NASDAQ	PRFT	Fri, Oct 14, 2016	19.00	19.29	19.00	19.15
4187	NASDAQ	PRFT	Thu, Oct 13, 2016	19.23	19.23	18.81	18.96
4186	NASDAQ	PRFT	Wed, Oct 12, 2016	19.10	19.28	18.83	19.18
4185	NASDAQ	PRFT	Tue, Oct 11, 2016	19.58	19.58	19.06	19.06
4184	NASDAQ	PRFT	Mon, Oct 10, 2016	19.67	19.75	19.42	19.58
4183	NASDAQ	PRFT	Fri, Oct 7, 2016	19.81	19.81	19.42	19.53
4182	NASDAQ	PRFT	Thu, Oct 6, 2016	19.77	19.91	19.57	19.87
4181	NASDAQ	PRFT	Wed, Oct 5, 2016	19.92	20.11	19.82	19.87
4180	NASDAQ	PRFT	Tue, Oct 4, 2016	19.98	20.00	19.78	19.98
4179	NASDAQ	PRFT	Mon, Oct 3, 2016	20.14	20.14	19.83	19.91
4178	NASDAQ	PRFT	Fri, Sep 30, 2016	19.97	20.24	19.71	20.15
4177	NASDAQ	PRFT	Thu, Sep 29, 2016	19.97	19.99	19.73	19.84
4176	NASDAQ	PRFT	Wed, Sep 28, 2016	19.79	20.00	19.66	19.97
4175	NASDAQ	PRFT	Tue, Sep 27, 2016	19.73	19.89	19.60	19.83
4174	NASDAQ	PRFT	Mon, Sep 26, 2016	19.70	19.97	19.22	19.69
4173	NASDAQ	PRFT	Fri, Sep 23, 2016	19.93	19.93	18.96	19.79
4172	NASDAQ	PRFT	Thu, Sep 22, 2016	20.09	20.25	19.16	20.15
4171	NASDAQ	PRFT	Wed, Sep 21, 2016	19.57	19.99	19.57	19.95
4170	NASDAQ	PRFT	Tue, Sep 20, 2016	19.58	19.72	19.38	19.52
4169	NASDAQ	PRFT	Mon, Sep 19, 2016	19.60	19.85	19.42	19.58
4168	NASDAQ	PRFT	Fri, Sep 16, 2016	19.74	19.86	19.41	19.60
4167	NASDAQ	PRFT	Thu, Sep 15, 2016	19.40	19.77	19.32	19.72
4166	NASDAQ	PRFT	Wed, Sep 14, 2016	19.64	20.07	19.33	19.34
4165	NASDAQ	PRFT	Tue, Sep 13, 2016	19.90	19.98	19.43	19.56
4164	NASDAQ	PRFT	Mon, Sep 12, 2016	19.67	20.10	19.67	20.07
4163	NASDAQ	PRFT	Fri, Sep 9, 2016	20.27	20.33	19.79	19.79
4162	NASDAQ	PRFT	Thu, Sep 8, 2016	20.30	20.45	20.19	20.39
4161	NASDAQ	PRFT	Wed, Sep 7, 2016	20.26	20.48	20.23	20.39
4160	NASDAQ	PRFT	Tue, Sep 6, 2016	20.30	20.33	20.18	20.26
4159	NASDAQ	PRFT	Fri, Sep 2, 2016	20.28	20.39	20.20	20.24
4158	NASDAQ	PRFT	Thu, Sep 1, 2016	20.03	20.20	19.84	20.20
4157	NASDAQ	PRFT	Wed, Aug 31, 2016	20.20	20.20	19.87	19.97
4156	NASDAQ	PRFT	Tue, Aug 30, 2016	20.23	20.30	20.02	20.16
4155	NASDAQ	PRFT	Mon, Aug 29, 2016	20.17	20.21	20.01	20.15
4154	NASDAQ	PRFT	Fri, Aug 26, 2016	20.40	20.79	20.03	20.10
4153	NASDAQ	PRFT	Thu, Aug 25, 2016	20.13	20.45	20.00	20.44
4152	NASDAQ	PRFT	Wed, Aug 24, 2016	20.50	20.67	20.14	20.23
4151	NASDAQ	PRFT	Tue, Aug 23, 2016	20.21	20.52	20.17	20.45
4150	NASDAQ	PRFT	Mon, Aug 22, 2016	19.98	20.23	19.82	20.10
4149	NASDAQ	PRFT	Fri, Aug 19, 2016	20.01	20.14	19.79	20.02
4148	NASDAQ	PRFT	Thu, Aug 18, 2016	19.88	20.05	19.70	19.99
4147	NASDAQ	PRFT	Wed, Aug 17, 2016	19.77	19.92	19.55	19.82
4146	NASDAQ	PRFT	Tue, Aug 16, 2016	20.25	20.62	19.92	19.93
4145	NASDAQ	PRFT	Mon, Aug 15, 2016	20.27	20.28	19.87	20.24
4144	NASDAQ	PRFT	Fri, Aug 12, 2016	20.51	20.51	20.11	20.26
4143	NASDAQ	PRFT	Thu, Aug 11, 2016	20.53	21.19	17.66	20.43
4142	NASDAQ	PRFT	Wed, Aug 10, 2016	20.32	20.49	20.02	20.49
4141	NASDAQ	PRFT	Tue, Aug 9, 2016	20.36	20.44	20.21	20.25
4140	NASDAQ	PRFT	Mon, Aug 8, 2016	20.17	20.38	19.98	20.30
4139	NASDAQ	PRFT	Fri, Aug 5, 2016	19.86	20.35	19.02	20.11
4138	NASDAQ	PRFT	Thu, Aug 4, 2016	19.12	20.15	17.92	19.98
4137	NASDAQ	PRFT	Wed, Aug 3, 2016	22.21	22.27	20.22	22.17
4136	NASDAQ	PRFT	Tue, Aug 2, 2016	22.33	22.66	22.12	22.15
4135	NASDAQ	PRFT	Mon, Aug 1, 2016	22.21	22.60	22.14	22.49
4134	NASDAQ	PRFT	Fri, Jul 29, 2016	22.39	22.39	22.11	22.22
4133	NASDAQ	PRFT	Thu, Jul 28, 2016	22.44	22.53	22.05	22.40
4132	NASDAQ	PRFT	Wed, Jul 27, 2016	22.25	22.50	22.25	22.43
4131	NASDAQ	PRFT	Tue, Jul 26, 2016	21.92	22.21	21.89	22.21
4130	NASDAQ	PRFT	Mon, Jul 25, 2016	21.86	21.97	21.27	21.90
4129	NASDAQ	PRFT	Fri, Jul 22, 2016	21.53	22.00	21.53	21.93
4128	NASDAQ	PRFT	Thu, Jul 21, 2016	21.79	21.82	21.05	21.51
4127	NASDAQ	PRFT	Wed, Jul 20, 2016	21.51	21.88	21.44	21.81
4126	NASDAQ	PRFT	Tue, Jul 19, 2016	21.42	21.74	21.33	21.41
4125	NASDAQ	PRFT	Mon, Jul 18, 2016	21.40	21.63	21.29	21.41
4124	NASDAQ	PRFT	Fri, Jul 15, 2016	21.88	21.88	21.24	21.34
4123	NASDAQ	PRFT	Thu, Jul 14, 2016	21.60	21.84	21.47	21.82
4122	NASDAQ	PRFT	Wed, Jul 13, 2016	21.39	21.59	21.19	21.58
4121	NASDAQ	PRFT	Tue, Jul 12, 2016	21.29	21.54	21.04	21.27
4120	NASDAQ	PRFT	Mon, Jul 11, 2016	20.86	21.19	20.86	21.19
4119	NASDAQ	PRFT	Fri, Jul 8, 2016	20.54	20.89	18.98	20.82
4118	NASDAQ	PRFT	Thu, Jul 7, 2016	20.39	20.56	19.63	20.39
4117	NASDAQ	PRFT	Wed, Jul 6, 2016	20.19	20.72	20.15	20.28
4116	NASDAQ	PRFT	Tue, Jul 5, 2016	20.37	20.56	20.15	20.34
4115	NASDAQ	PRFT	Fri, Jul 1, 2016	20.26	20.68	20.26	20.55
4114	NASDAQ	PRFT	Thu, Jun 30, 2016	19.97	20.38	19.90	20.31
4113	NASDAQ	PRFT	Wed, Jun 29, 2016	19.76	20.01	19.65	20.00
4112	NASDAQ	PRFT	Tue, Jun 28, 2016	19.69	20.67	19.55	19.56
4111	NASDAQ	PRFT	Mon, Jun 27, 2016	20.54	20.54	19.58	19.58
4110	NASDAQ	PRFT	Fri, Jun 24, 2016	20.51	21.00	20.22	20.72
4109	NASDAQ	PRFT	Thu, Jun 23, 2016	20.92	21.23	20.92	21.21
4108	NASDAQ	PRFT	Wed, Jun 22, 2016	20.85	21.04	20.72	20.80
4107	NASDAQ	PRFT	Tue, Jun 21, 2016	20.95	21.07	20.72	20.85
4106	NASDAQ	PRFT	Mon, Jun 20, 2016	20.82	21.18	20.82	20.91
4105	NASDAQ	PRFT	Fri, Jun 17, 2016	21.18	21.18	20.42	20.57
4104	NASDAQ	PRFT	Thu, Jun 16, 2016	20.96	21.15	20.73	21.11
4103	NASDAQ	PRFT	Wed, Jun 15, 2016	21.07	21.26	20.80	21.06
4102	NASDAQ	PRFT	Tue, Jun 14, 2016	21.08	21.17	20.85	21.05
4101	NASDAQ	PRFT	Mon, Jun 13, 2016	21.14	21.35	20.82	21.02
4100	NASDAQ	PRFT	Fri, Jun 10, 2016	21.20	21.39	21.02	21.21
4099	NASDAQ	PRFT	Thu, Jun 9, 2016	21.39	21.45	21.03	21.18
4098	NASDAQ	PRFT	Wed, Jun 8, 2016	21.19	21.51	21.16	21.43
4097	NASDAQ	PRFT	Tue, Jun 7, 2016	21.43	21.50	21.15	21.18
4096	NASDAQ	PRFT	Mon, Jun 6, 2016	21.18	21.49	21.05	21.47
4095	NASDAQ	PRFT	Fri, Jun 3, 2016	21.12	21.31	21.04	21.21
4094	NASDAQ	PRFT	Thu, Jun 2, 2016	20.81	21.13	20.81	21.13
4093	NASDAQ	PRFT	Wed, Jun 1, 2016	20.90	21.00	20.83	21.00
4092	NASDAQ	PRFT	Tue, May 31, 2016	20.87	21.01	20.81	20.95
4091	NASDAQ	PRFT	Fri, May 27, 2016	20.59	20.85	20.46	20.81
4090	NASDAQ	PRFT	Thu, May 26, 2016	20.75	20.78	20.59	20.64
4089	NASDAQ	PRFT	Wed, May 25, 2016	20.76	20.80	20.62	20.69
4088	NASDAQ	PRFT	Tue, May 24, 2016	20.41	20.64	20.36	20.63
4087	NASDAQ	PRFT	Mon, May 23, 2016	20.33	20.51	20.12	20.30
4086	NASDAQ	PRFT	Fri, May 20, 2016	20.37	20.45	20.08	20.24
4085	NASDAQ	PRFT	Thu, May 19, 2016	20.26	20.32	20.06	20.25
4084	NASDAQ	PRFT	Wed, May 18, 2016	20.14	20.45	19.89	20.34
4083	NASDAQ	PRFT	Tue, May 17, 2016	20.58	20.69	19.93	20.14
4082	NASDAQ	PRFT	Mon, May 16, 2016	20.66	20.79	20.49	20.61
4081	NASDAQ	PRFT	Fri, May 13, 2016	20.52	20.80	20.09	20.59
4080	NASDAQ	PRFT	Thu, May 12, 2016	20.66	20.94	20.43	20.59
4079	NASDAQ	PRFT	Wed, May 11, 2016	20.91	20.93	20.55	20.60
4078	NASDAQ	PRFT	Tue, May 10, 2016	20.60	21.00	20.59	20.91
4077	NASDAQ	PRFT	Mon, May 9, 2016	20.80	20.95	20.58	20.63
4076	NASDAQ	PRFT	Fri, May 6, 2016	20.53	20.83	20.30	20.83
4075	NASDAQ	PRFT	Thu, May 5, 2016	20.22	20.97	20.22	20.54
4074	NASDAQ	PRFT	Wed, May 4, 2016	20.71	20.75	19.37	20.31
4073	NASDAQ	PRFT	Tue, May 3, 2016	20.86	21.17	20.71	20.88
4072	NASDAQ	PRFT	Mon, May 2, 2016	21.00	21.15	20.68	21.10
4071	NASDAQ	PRFT	Fri, Apr 29, 2016	21.22	21.22	20.58	20.88
4070	NASDAQ	PRFT	Thu, Apr 28, 2016	21.17	21.52	21.16	21.26
4069	NASDAQ	PRFT	Wed, Apr 27, 2016	21.23	21.39	20.83	21.32
4068	NASDAQ	PRFT	Tue, Apr 26, 2016	21.17	21.32	20.90	21.26
4067	NASDAQ	PRFT	Mon, Apr 25, 2016	21.50	21.50	20.86	21.06
4066	NASDAQ	PRFT	Fri, Apr 22, 2016	20.97	21.15	20.92	21.12
4065	NASDAQ	PRFT	Thu, Apr 21, 2016	20.83	21.14	20.78	21.07
4064	NASDAQ	PRFT	Wed, Apr 20, 2016	20.80	20.88	20.59	20.84
4063	NASDAQ	PRFT	Tue, Apr 19, 2016	21.10	21.10	20.68	20.86
4062	NASDAQ	PRFT	Mon, Apr 18, 2016	21.03	21.48	20.88	21.11
4061	NASDAQ	PRFT	Fri, Apr 15, 2016	20.39	21.25	20.39	21.13
4060	NASDAQ	PRFT	Thu, Apr 14, 2016	20.32	20.57	20.23	20.38
4059	NASDAQ	PRFT	Wed, Apr 13, 2016	20.02	20.45	20.02	20.37
4058	NASDAQ	PRFT	Tue, Apr 12, 2016	19.86	20.60	19.83	19.96
4057	NASDAQ	PRFT	Mon, Apr 11, 2016	20.35	20.55	19.89	19.89
4056	NASDAQ	PRFT	Fri, Apr 8, 2016	20.39	20.45	20.09	20.20
4055	NASDAQ	PRFT	Thu, Apr 7, 2016	20.28	20.36	20.02	20.29
4054	NASDAQ	PRFT	Wed, Apr 6, 2016	20.40	20.59	20.26	20.45
4053	NASDAQ	PRFT	Tue, Apr 5, 2016	20.66	20.66	20.66	20.33
4052	NASDAQ	PRFT	Mon, Apr 4, 2016	20.86	21.13	20.64	20.66
4051	NASDAQ	PRFT	Fri, Apr 1, 2016	21.66	21.71	20.33	20.86
4050	NASDAQ	PRFT	Thu, Mar 31, 2016	21.75	21.92	21.65	21.69
4049	NASDAQ	PRFT	Wed, Mar 30, 2016	21.05	21.73	21.04	21.69
4048	NASDAQ	PRFT	Tue, Mar 29, 2016	20.38	20.90	20.23	20.83
4047	NASDAQ	PRFT	Mon, Mar 28, 2016	20.48	20.48	20.32	20.38
4046	NASDAQ	PRFT	Thu, Mar 24, 2016	20.17	20.17	20.17	20.36
4045	NASDAQ	PRFT	Wed, Mar 23, 2016	19.88	20.40	19.83	20.17
4044	NASDAQ	PRFT	Tue, Mar 22, 2016	19.94	20.18	19.87	19.98
4043	NASDAQ	PRFT	Mon, Mar 21, 2016	19.89	20.24	19.87	19.98
4042	NASDAQ	PRFT	Fri, Mar 18, 2016	20.00	20.30	19.68	19.99
4041	NASDAQ	PRFT	Thu, Mar 17, 2016	19.54	19.99	19.49	19.87
4040	NASDAQ	PRFT	Wed, Mar 16, 2016	19.50	19.68	19.36	19.59
4039	NASDAQ	PRFT	Tue, Mar 15, 2016	19.57	19.57	19.57	19.55
4038	NASDAQ	PRFT	Mon, Mar 14, 2016	19.59	19.75	19.24	19.57
4037	NASDAQ	PRFT	Fri, Mar 11, 2016	19.59	19.87	19.34	19.61
4036	NASDAQ	PRFT	Thu, Mar 10, 2016	19.63	19.80	19.32	19.60
4035	NASDAQ	PRFT	Wed, Mar 9, 2016	19.42	19.42	19.42	19.60
4034	NASDAQ	PRFT	Tue, Mar 8, 2016	19.81	19.91	18.07	19.89
4033	NASDAQ	PRFT	Mon, Mar 7, 2016	19.82	20.01	19.70	19.89
4032	NASDAQ	PRFT	Fri, Mar 4, 2016	20.17	20.17	20.17	19.95
4031	NASDAQ	PRFT	Thu, Mar 3, 2016	18.49	18.49	18.49	20.17
4030	NASDAQ	PRFT	Wed, Mar 2, 2016	18.37	18.50	18.20	18.49
4029	NASDAQ	PRFT	Tue, Mar 1, 2016	18.05	18.05	18.05	18.40
4028	NASDAQ	PRFT	Mon, Feb 29, 2016	18.19	18.35	18.00	18.05
4027	NASDAQ	PRFT	Fri, Feb 26, 2016	18.09	18.09	18.09	18.15
4026	NASDAQ	PRFT	Thu, Feb 25, 2016	18.03	18.25	17.89	18.09
4025	NASDAQ	PRFT	Wed, Feb 24, 2016	17.61	18.01	17.25	17.98
4024	NASDAQ	PRFT	Tue, Feb 23, 2016	17.82	18.06	17.76	17.77
4023	NASDAQ	PRFT	Mon, Feb 22, 2016	18.09	18.16	17.81	17.87
4022	NASDAQ	PRFT	Fri, Feb 19, 2016	17.38	18.03	17.38	17.99
4021	NASDAQ	PRFT	Thu, Feb 18, 2016	17.48	17.64	17.25	17.41
4020	NASDAQ	PRFT	Wed, Feb 17, 2016	17.57	17.83	17.47	17.51
4019	NASDAQ	PRFT	Tue, Feb 16, 2016	17.57	17.63	17.31	17.49
4018	NASDAQ	PRFT	Fri, Feb 12, 2016	17.58	17.58	17.18	17.35
4017	NASDAQ	PRFT	Thu, Feb 11, 2016	16.89	17.52	16.69	17.45
4016	NASDAQ	PRFT	Wed, Feb 10, 2016	17.67	17.94	17.20	17.22
4015	NASDAQ	PRFT	Tue, Feb 9, 2016	17.43	17.76	17.31	17.46
4014	NASDAQ	PRFT	Mon, Feb 8, 2016	17.63	17.79	17.17	17.65
4013	NASDAQ	PRFT	Fri, Feb 5, 2016	18.68	18.69	17.96	17.99
4012	NASDAQ	PRFT	Thu, Feb 4, 2016	18.65	19.01	18.50	18.72
4011	NASDAQ	PRFT	Wed, Feb 3, 2016	18.95	19.30	18.39	18.74
4010	NASDAQ	PRFT	Tue, Feb 2, 2016	19.03	19.03	18.75	18.82
4009	NASDAQ	PRFT	Mon, Feb 1, 2016	18.95	19.37	18.83	19.21
4008	NASDAQ	PRFT	Fri, Jan 29, 2016	18.64	19.05	18.64	19.05
4007	NASDAQ	PRFT	Thu, Jan 28, 2016	18.64	18.85	18.45	18.61
4006	NASDAQ	PRFT	Wed, Jan 27, 2016	18.75	18.75	18.34	18.44
4005	NASDAQ	PRFT	Tue, Jan 26, 2016	18.41	18.90	18.39	18.85
4004	NASDAQ	PRFT	Mon, Jan 25, 2016	18.75	18.75	18.26	18.36
4003	NASDAQ	PRFT	Fri, Jan 22, 2016	18.51	18.95	18.50	18.78
4002	NASDAQ	PRFT	Thu, Jan 21, 2016	18.20	18.44	17.92	18.36
4001	NASDAQ	PRFT	Wed, Jan 20, 2016	17.77	18.44	17.47	18.20
4000	NASDAQ	PRFT	Tue, Jan 19, 2016	17.66	18.10	17.53	18.05
3999	NASDAQ	PRFT	Fri, Jan 15, 2016	16.39	17.50	15.47	17.48
3998	NASDAQ	PRFT	Thu, Jan 14, 2016	16.52	16.95	16.30	16.90
3997	NASDAQ	PRFT	Wed, Jan 13, 2016	16.54	16.57	15.94	16.32
3996	NASDAQ	PRFT	Tue, Jan 12, 2016	16.80	16.81	16.05	16.42
3995	NASDAQ	PRFT	Mon, Jan 11, 2016	16.51	17.56	15.98	16.53
3994	NASDAQ	PRFT	Fri, Jan 8, 2016	15.98	16.09	15.46	15.48
3993	NASDAQ	PRFT	Thu, Jan 7, 2016	15.86	16.21	15.75	15.94
3992	NASDAQ	PRFT	Wed, Jan 6, 2016	16.46	16.64	16.06	16.11
3991	NASDAQ	PRFT	Tue, Jan 5, 2016	16.81	17.14	16.47	16.69
3990	NASDAQ	PRFT	Mon, Jan 4, 2016	16.78	17.05	16.67	16.79
3989	NASDAQ	PRFT	Thu, Dec 31, 2015	17.52	17.71	17.11	17.12
3988	NASDAQ	PRFT	Wed, Dec 30, 2015	17.69	17.80	17.54	17.56
3987	NASDAQ	PRFT	Tue, Dec 29, 2015	17.67	18.00	17.49	17.68
3986	NASDAQ	PRFT	Mon, Dec 28, 2015	17.32	17.56	17.19	17.56
3985	NASDAQ	PRFT	Thu, Dec 24, 2015	17.12	17.59	17.12	17.38
3984	NASDAQ	PRFT	Wed, Dec 23, 2015	17.01	17.27	17.01	17.14
3983	NASDAQ	PRFT	Tue, Dec 22, 2015	16.90	16.97	16.56	16.94
3982	NASDAQ	PRFT	Mon, Dec 21, 2015	17.00	17.05	16.46	16.84
3981	NASDAQ	PRFT	Fri, Dec 18, 2015	17.28	17.41	16.93	16.93
3980	NASDAQ	PRFT	Thu, Dec 17, 2015	17.95	17.95	17.27	17.39
3979	NASDAQ	PRFT	Wed, Dec 16, 2015	17.84	17.93	17.70	17.91
3978	NASDAQ	PRFT	Tue, Dec 15, 2015	17.48	17.80	16.58	17.69
3977	NASDAQ	PRFT	Mon, Dec 14, 2015	17.15	17.37	17.03	17.30
3976	NASDAQ	PRFT	Fri, Dec 11, 2015	17.10	17.29	17.05	17.13
3975	NASDAQ	PRFT	Thu, Dec 10, 2015	17.14	17.55	17.07	17.36
3974	NASDAQ	PRFT	Wed, Dec 9, 2015	17.10	17.31	17.02	17.17
3973	NASDAQ	PRFT	Tue, Dec 8, 2015	17.38	17.38	16.98	17.19
3972	NASDAQ	PRFT	Mon, Dec 7, 2015	17.80	17.91	17.52	17.62
3971	NASDAQ	PRFT	Fri, Dec 4, 2015	17.72	17.94	17.71	17.81
3970	NASDAQ	PRFT	Thu, Dec 3, 2015	17.71	17.90	17.51	17.72
3969	NASDAQ	PRFT	Wed, Dec 2, 2015	17.62	17.80	17.34	17.68
3968	NASDAQ	PRFT	Tue, Dec 1, 2015	17.57	17.74	17.46	17.67
3967	NASDAQ	PRFT	Mon, Nov 30, 2015	17.50	17.61	17.40	17.48
3966	NASDAQ	PRFT	Fri, Nov 27, 2015	17.50	17.58	17.46	17.49
3965	NASDAQ	PRFT	Wed, Nov 25, 2015	17.51	17.59	17.27	17.50
3964	NASDAQ	PRFT	Tue, Nov 24, 2015	17.07	17.50	17.02	17.48
3963	NASDAQ	PRFT	Mon, Nov 23, 2015	17.20	17.25	17.07	17.20
3962	NASDAQ	PRFT	Fri, Nov 20, 2015	17.29	17.29	16.84	17.18
3961	NASDAQ	PRFT	Thu, Nov 19, 2015	17.10	17.34	17.10	17.19
3960	NASDAQ	PRFT	Wed, Nov 18, 2015	17.15	17.29	17.09	17.15
3959	NASDAQ	PRFT	Tue, Nov 17, 2015	16.95	17.24	16.86	17.11
3958	NASDAQ	PRFT	Mon, Nov 16, 2015	16.48	16.91	16.48	16.87
3957	NASDAQ	PRFT	Fri, Nov 13, 2015	16.44	16.91	16.39	16.63
3956	NASDAQ	PRFT	Thu, Nov 12, 2015	16.84	17.20	16.57	16.60
3955	NASDAQ	PRFT	Wed, Nov 11, 2015	17.23	17.43	16.98	17.04
3954	NASDAQ	PRFT	Tue, Nov 10, 2015	16.61	17.30	16.57	17.13
3953	NASDAQ	PRFT	Mon, Nov 9, 2015	17.26	17.29	16.60	16.61
3952	NASDAQ	PRFT	Fri, Nov 6, 2015	16.88	17.76	16.88	17.48
3951	NASDAQ	PRFT	Thu, Nov 5, 2015	17.00	17.20	15.90	16.78
3950	NASDAQ	PRFT	Wed, Nov 4, 2015	16.90	17.13	16.80	16.94
3949	NASDAQ	PRFT	Tue, Nov 3, 2015	16.75	17.04	16.74	16.87
3948	NASDAQ	PRFT	Mon, Nov 2, 2015	16.66	16.99	16.61	16.89
3947	NASDAQ	PRFT	Fri, Oct 30, 2015	16.84	16.94	16.60	16.72
3946	NASDAQ	PRFT	Thu, Oct 29, 2015	17.12	17.16	16.66	16.86
3945	NASDAQ	PRFT	Wed, Oct 28, 2015	16.37	17.16	16.32	17.15
3944	NASDAQ	PRFT	Tue, Oct 27, 2015	16.65	16.65	16.01	16.33
3943	NASDAQ	PRFT	Mon, Oct 26, 2015	16.83	17.01	16.59	16.73
3942	NASDAQ	PRFT	Fri, Oct 23, 2015	16.99	17.09	16.70	16.91
3941	NASDAQ	PRFT	Thu, Oct 22, 2015	16.15	16.80	16.15	16.79
3940	NASDAQ	PRFT	Wed, Oct 21, 2015	16.70	16.70	16.05	16.05
3939	NASDAQ	PRFT	Tue, Oct 20, 2015	16.73	16.83	16.44	16.60
3938	NASDAQ	PRFT	Mon, Oct 19, 2015	16.69	17.00	16.58	16.76
3937	NASDAQ	PRFT	Fri, Oct 16, 2015	16.93	16.99	16.62	16.78
3936	NASDAQ	PRFT	Thu, Oct 15, 2015	16.30	16.87	16.08	16.86
3935	NASDAQ	PRFT	Wed, Oct 14, 2015	16.30	16.67	16.15	16.22
3934	NASDAQ	PRFT	Tue, Oct 13, 2015	16.58	16.76	16.25	16.28
3933	NASDAQ	PRFT	Mon, Oct 12, 2015	16.42	16.94	16.27	16.72
3932	NASDAQ	PRFT	Fri, Oct 9, 2015	16.39	16.75	16.21	16.45
3931	NASDAQ	PRFT	Thu, Oct 8, 2015	16.35	16.52	16.26	16.34
3930	NASDAQ	PRFT	Wed, Oct 7, 2015	15.95	16.49	15.86	16.39
3929	NASDAQ	PRFT	Tue, Oct 6, 2015	16.18	16.36	15.73	15.84
3928	NASDAQ	PRFT	Mon, Oct 5, 2015	15.73	16.26	15.73	16.18
3927	NASDAQ	PRFT	Fri, Oct 2, 2015	15.03	15.59	14.90	15.56
3926	NASDAQ	PRFT	Thu, Oct 1, 2015	15.52	15.54	14.97	15.15
3925	NASDAQ	PRFT	Wed, Sep 30, 2015	15.41	15.52	15.26	15.43
3924	NASDAQ	PRFT	Tue, Sep 29, 2015	15.30	15.34	15.01	15.22
3923	NASDAQ	PRFT	Mon, Sep 28, 2015	15.53	15.84	15.19	15.24
3922	NASDAQ	PRFT	Fri, Sep 25, 2015	15.71	15.93	15.27	15.58
3921	NASDAQ	PRFT	Thu, Sep 24, 2015	15.38	15.56	15.18	15.53
3920	NASDAQ	PRFT	Wed, Sep 23, 2015	15.61	15.70	15.34	15.45
3919	NASDAQ	PRFT	Tue, Sep 22, 2015	15.76	15.83	15.51	15.53
3918	NASDAQ	PRFT	Mon, Sep 21, 2015	15.61	16.07	15.40	15.98
3917	NASDAQ	PRFT	Fri, Sep 18, 2015	15.80	16.05	15.35	15.44
3916	NASDAQ	PRFT	Thu, Sep 17, 2015	16.05	16.12	15.81	15.96
3915	NASDAQ	PRFT	Wed, Sep 16, 2015	16.00	16.19	15.67	16.02
3914	NASDAQ	PRFT	Tue, Sep 15, 2015	15.84	16.11	15.62	16.06
3913	NASDAQ	PRFT	Mon, Sep 14, 2015	15.98	15.98	15.69	15.76
3912	NASDAQ	PRFT	Fri, Sep 11, 2015	15.59	16.00	15.59	15.94
3911	NASDAQ	PRFT	Thu, Sep 10, 2015	15.76	15.76	15.33	15.69
3910	NASDAQ	PRFT	Wed, Sep 9, 2015	15.76	16.23	15.70	15.75
3909	NASDAQ	PRFT	Tue, Sep 8, 2015	15.79	15.79	15.50	15.59
3908	NASDAQ	PRFT	Fri, Sep 4, 2015	15.22	15.58	15.14	15.49
3907	NASDAQ	PRFT	Thu, Sep 3, 2015	15.46	15.56	15.23	15.46
3906	NASDAQ	PRFT	Wed, Sep 2, 2015	15.85	15.85	15.20	15.44
3905	NASDAQ	PRFT	Tue, Sep 1, 2015	16.30	16.56	15.50	15.70
3904	NASDAQ	PRFT	Mon, Aug 31, 2015	16.09	16.60	16.07	16.56
3903	NASDAQ	PRFT	Fri, Aug 28, 2015	16.25	16.41	16.02	16.20
3902	NASDAQ	PRFT	Thu, Aug 27, 2015	16.42	16.53	16.12	16.37
3901	NASDAQ	PRFT	Wed, Aug 26, 2015	16.04	16.47	15.64	16.35
3900	NASDAQ	PRFT	Tue, Aug 25, 2015	16.32	16.55	15.43	15.67
3899	NASDAQ	PRFT	Mon, Aug 24, 2015	15.74	16.35	15.18	15.85
3898	NASDAQ	PRFT	Fri, Aug 21, 2015	16.49	16.68	16.27	16.43
3897	NASDAQ	PRFT	Thu, Aug 20, 2015	16.34	16.72	16.27	16.49
3896	NASDAQ	PRFT	Wed, Aug 19, 2015	15.92	16.69	15.68	16.54
3895	NASDAQ	PRFT	Tue, Aug 18, 2015	16.24	16.33	15.89	15.97
3894	NASDAQ	PRFT	Mon, Aug 17, 2015	16.42	16.51	16.09	16.25
3893	NASDAQ	PRFT	Fri, Aug 14, 2015	16.11	16.55	15.86	16.49
3892	NASDAQ	PRFT	Thu, Aug 13, 2015	16.40	16.47	16.14	16.15
3891	NASDAQ	PRFT	Wed, Aug 12, 2015	16.21	16.49	16.01	16.36
3890	NASDAQ	PRFT	Tue, Aug 11, 2015	16.44	16.74	16.15	16.36
3889	NASDAQ	PRFT	Mon, Aug 10, 2015	16.35	16.70	16.23	16.57
3888	NASDAQ	PRFT	Fri, Aug 7, 2015	16.48	16.79	16.03	16.30
3887	NASDAQ	PRFT	Thu, Aug 6, 2015	16.70	16.96	16.29	16.60
3886	NASDAQ	PRFT	Wed, Aug 5, 2015	16.37	16.80	16.35	16.68
3885	NASDAQ	PRFT	Tue, Aug 4, 2015	16.16	16.39	16.09	16.26
3884	NASDAQ	PRFT	Mon, Aug 3, 2015	16.20	16.46	16.00	16.25
3883	NASDAQ	PRFT	Fri, Jul 31, 2015	16.49	16.49	15.94	16.23
3882	NASDAQ	PRFT	Thu, Jul 30, 2015	16.21	16.55	15.79	16.41
3881	NASDAQ	PRFT	Wed, Jul 29, 2015	15.46	15.71	15.36	15.55
3880	NASDAQ	PRFT	Tue, Jul 28, 2015	15.43	15.69	15.01	15.55
3879	NASDAQ	PRFT	Mon, Jul 27, 2015	15.55	15.57	15.18	15.32
3878	NASDAQ	PRFT	Fri, Jul 24, 2015	16.04	16.04	15.47	15.61
3877	NASDAQ	PRFT	Thu, Jul 23, 2015	16.26	16.30	16.02	16.03
3876	NASDAQ	PRFT	Wed, Jul 22, 2015	15.98	16.44	15.98	16.19
3875	NASDAQ	PRFT	Tue, Jul 21, 2015	16.28	16.45	15.95	16.03
3874	NASDAQ	PRFT	Mon, Jul 20, 2015	16.33	16.45	16.04	16.24
3873	NASDAQ	PRFT	Fri, Jul 17, 2015	16.52	16.61	16.17	16.31
3872	NASDAQ	PRFT	Thu, Jul 16, 2015	16.32	16.57	16.16	16.45
3871	NASDAQ	PRFT	Wed, Jul 15, 2015	16.25	16.30	16.03	16.21
3870	NASDAQ	PRFT	Tue, Jul 14, 2015	16.13	16.45	16.04	16.25
3869	NASDAQ	PRFT	Mon, Jul 13, 2015	16.04	16.19	15.91	16.16
3868	NASDAQ	PRFT	Fri, Jul 10, 2015	15.36	15.95	15.16	15.90
3867	NASDAQ	PRFT	Thu, Jul 9, 2015	15.79	15.92	15.13	15.22
3866	NASDAQ	PRFT	Wed, Jul 8, 2015	16.45	16.98	15.53	15.84
3865	NASDAQ	PRFT	Tue, Jul 7, 2015	18.94	19.13	18.62	19.01
3864	NASDAQ	PRFT	Mon, Jul 6, 2015	18.68	18.94	18.59	18.89
3863	NASDAQ	PRFT	Thu, Jul 2, 2015	19.30	19.30	18.72	18.90
3862	NASDAQ	PRFT	Wed, Jul 1, 2015	19.38	19.45	18.95	19.29
3861	NASDAQ	PRFT	Tue, Jun 30, 2015	19.25	19.33	19.02	19.24
3860	NASDAQ	PRFT	Mon, Jun 29, 2015	20.09	20.32	19.11	19.16
3859	NASDAQ	PRFT	Fri, Jun 26, 2015	20.17	20.38	19.95	20.24
3858	NASDAQ	PRFT	Thu, Jun 25, 2015	19.94	20.20	19.43	20.08
3857	NASDAQ	PRFT	Wed, Jun 24, 2015	19.98	20.12	19.84	19.92
3856	NASDAQ	PRFT	Tue, Jun 23, 2015	20.02	20.04	19.75	19.98
3855	NASDAQ	PRFT	Mon, Jun 22, 2015	19.74	20.13	19.71	20.05
3854	NASDAQ	PRFT	Fri, Jun 19, 2015	19.71	19.92	19.57	19.69
3853	NASDAQ	PRFT	Thu, Jun 18, 2015	19.81	19.97	19.70	19.77
3852	NASDAQ	PRFT	Wed, Jun 17, 2015	19.62	19.83	19.45	19.72
3851	NASDAQ	PRFT	Tue, Jun 16, 2015	19.14	19.63	19.14	19.48
3850	NASDAQ	PRFT	Mon, Jun 15, 2015	19.05	19.31	18.87	19.22
3849	NASDAQ	PRFT	Fri, Jun 12, 2015	19.21	19.29	19.03	19.15
3848	NASDAQ	PRFT	Thu, Jun 11, 2015	19.25	19.25	18.90	19.21
3847	NASDAQ	PRFT	Wed, Jun 10, 2015	19.05	19.29	19.05	19.25
3846	NASDAQ	PRFT	Tue, Jun 9, 2015	19.01	19.44	18.76	18.91
3845	NASDAQ	PRFT	Mon, Jun 8, 2015	19.33	19.52	19.23	19.29
3844	NASDAQ	PRFT	Fri, Jun 5, 2015	19.01	19.51	18.70	19.47
3843	NASDAQ	PRFT	Thu, Jun 4, 2015	19.19	19.23	18.82	19.00
3842	NASDAQ	PRFT	Wed, Jun 3, 2015	19.04	19.46	19.04	19.37
3841	NASDAQ	PRFT	Tue, Jun 2, 2015	18.79	19.20	18.78	19.03
3840	NASDAQ	PRFT	Mon, Jun 1, 2015	19.00	19.21	18.66	18.92
3839	NASDAQ	PRFT	Fri, May 29, 2015	18.94	19.09	18.66	18.92
3838	NASDAQ	PRFT	Thu, May 28, 2015	18.74	19.09	18.70	19.02
3837	NASDAQ	PRFT	Wed, May 27, 2015	18.96	18.99	18.72	18.79
3836	NASDAQ	PRFT	Tue, May 26, 2015	19.17	19.18	18.73	18.91
3835	NASDAQ	PRFT	Fri, May 22, 2015	19.39	19.45	19.07	19.29
3834	NASDAQ	PRFT	Thu, May 21, 2015	19.56	19.77	19.35	19.46
3833	NASDAQ	PRFT	Wed, May 20, 2015	19.64	19.73	19.47	19.55
3832	NASDAQ	PRFT	Tue, May 19, 2015	19.77	19.77	19.44	19.57
3831	NASDAQ	PRFT	Mon, May 18, 2015	19.74	19.97	19.64	19.83
3830	NASDAQ	PRFT	Fri, May 15, 2015	19.84	19.89	19.61	19.77
3829	NASDAQ	PRFT	Thu, May 14, 2015	19.65	19.95	19.65	19.81
3828	NASDAQ	PRFT	Wed, May 13, 2015	19.44	19.70	19.25	19.63
3827	NASDAQ	PRFT	Tue, May 12, 2015	19.59	19.75	19.38	19.50
3826	NASDAQ	PRFT	Mon, May 11, 2015	19.70	19.95	19.48	19.76
3825	NASDAQ	PRFT	Fri, May 8, 2015	18.95	19.86	18.87	19.81
3824	NASDAQ	PRFT	Thu, May 7, 2015	17.81	19.34	15.95	19.01
3823	NASDAQ	PRFT	Wed, May 6, 2015	19.89	20.00	19.74	19.89
3822	NASDAQ	PRFT	Tue, May 5, 2015	20.22	20.52	19.73	19.85
3821	NASDAQ	PRFT	Mon, May 4, 2015	20.39	20.74	20.25	20.34
3820	NASDAQ	PRFT	Fri, May 1, 2015	20.70	20.87	20.21	20.43
3819	NASDAQ	PRFT	Thu, Apr 30, 2015	20.77	21.10	20.61	20.63
3818	NASDAQ	PRFT	Wed, Apr 29, 2015	20.82	21.10	20.82	20.94
3817	NASDAQ	PRFT	Tue, Apr 28, 2015	20.76	20.92	20.67	20.89
3816	NASDAQ	PRFT	Mon, Apr 27, 2015	20.81	21.05	20.73	20.80
3815	NASDAQ	PRFT	Fri, Apr 24, 2015	20.85	20.85	20.64	20.73
3814	NASDAQ	PRFT	Thu, Apr 23, 2015	20.69	20.84	20.60	20.81
3813	NASDAQ	PRFT	Wed, Apr 22, 2015	20.51	20.82	20.42	20.70
3812	NASDAQ	PRFT	Tue, Apr 21, 2015	20.60	20.75	20.43	20.54
3811	NASDAQ	PRFT	Mon, Apr 20, 2015	20.05	20.54	20.05	20.51
3810	NASDAQ	PRFT	Fri, Apr 17, 2015	20.41	20.41	19.78	20.04
3809	NASDAQ	PRFT	Thu, Apr 16, 2015	20.76	20.98	20.57	20.68
3808	NASDAQ	PRFT	Wed, Apr 15, 2015	21.00	21.00	20.68	20.72
3807	NASDAQ	PRFT	Tue, Apr 14, 2015	20.93	21.04	20.71	20.83
3806	NASDAQ	PRFT	Mon, Apr 13, 2015	21.10	21.19	20.80	20.93
3805	NASDAQ	PRFT	Fri, Apr 10, 2015	21.15	21.57	21.03	21.19
3804	NASDAQ	PRFT	Thu, Apr 9, 2015	21.10	21.19	20.67	21.05
3803	NASDAQ	PRFT	Wed, Apr 8, 2015	20.88	21.15	20.84	21.07
3802	NASDAQ	PRFT	Tue, Apr 7, 2015	20.86	21.04	20.85	20.87
3801	NASDAQ	PRFT	Mon, Apr 6, 2015	20.90	21.10	20.68	20.85
3800	NASDAQ	PRFT	Thu, Apr 2, 2015	20.83	21.10	20.70	20.98
3799	NASDAQ	PRFT	Wed, Apr 1, 2015	20.63	20.78	20.51	20.77
3798	NASDAQ	PRFT	Tue, Mar 31, 2015	20.71	20.89	20.50	20.69
3797	NASDAQ	PRFT	Mon, Mar 30, 2015	20.63	20.94	20.57	20.70
3796	NASDAQ	PRFT	Fri, Mar 27, 2015	20.13	20.67	19.99	20.61
3795	NASDAQ	PRFT	Thu, Mar 26, 2015	19.80	20.42	19.44	20.15
3794	NASDAQ	PRFT	Wed, Mar 25, 2015	20.00	20.30	19.67	19.82
3793	NASDAQ	PRFT	Tue, Mar 24, 2015	20.42	20.50	20.23	20.35
3792	NASDAQ	PRFT	Mon, Mar 23, 2015	20.62	20.69	20.46	20.49
3791	NASDAQ	PRFT	Fri, Mar 20, 2015	20.75	20.80	20.32	20.72
3790	NASDAQ	PRFT	Thu, Mar 19, 2015	20.37	20.83	20.30	20.82
3789	NASDAQ	PRFT	Wed, Mar 18, 2015	20.15	20.49	20.00	20.40
3788	NASDAQ	PRFT	Tue, Mar 17, 2015	20.15	20.20	20.04	20.19
3787	NASDAQ	PRFT	Mon, Mar 16, 2015	19.98	20.25	19.91	20.18
3786	NASDAQ	PRFT	Fri, Mar 13, 2015	19.76	20.05	19.68	19.98
3785	NASDAQ	PRFT	Thu, Mar 12, 2015	19.58	19.99	19.34	19.96
3784	NASDAQ	PRFT	Wed, Mar 11, 2015	19.57	19.66	19.38	19.43
3783	NASDAQ	PRFT	Tue, Mar 10, 2015	19.62	19.80	19.41	19.62
3782	NASDAQ	PRFT	Mon, Mar 9, 2015	19.78	20.13	19.27	19.77
3781	NASDAQ	PRFT	Fri, Mar 6, 2015	19.76	20.32	19.65	20.30
3780	NASDAQ	PRFT	Thu, Mar 5, 2015	19.79	20.20	18.67	19.54
3779	NASDAQ	PRFT	Wed, Mar 4, 2015	19.68	19.78	19.49	19.59
3778	NASDAQ	PRFT	Tue, Mar 3, 2015	19.93	20.11	19.69	19.85
3777	NASDAQ	PRFT	Mon, Mar 2, 2015	19.88	20.10	19.36	20.06
3776	NASDAQ	PRFT	Fri, Feb 27, 2015	19.45	20.00	19.18	19.88
3775	NASDAQ	PRFT	Thu, Feb 26, 2015	19.40	19.50	19.22	19.45
3774	NASDAQ	PRFT	Wed, Feb 25, 2015	19.46	19.70	19.30	19.48
3773	NASDAQ	PRFT	Tue, Feb 24, 2015	19.16	19.55	19.14	19.54
3772	NASDAQ	PRFT	Mon, Feb 23, 2015	19.47	19.47	19.05	19.20
3771	NASDAQ	PRFT	Fri, Feb 20, 2015	19.88	19.88	19.25	19.60
3770	NASDAQ	PRFT	Thu, Feb 19, 2015	19.56	19.91	19.56	19.83
3769	NASDAQ	PRFT	Wed, Feb 18, 2015	19.60	19.77	19.28	19.52
3768	NASDAQ	PRFT	Tue, Feb 17, 2015	19.50	19.80	19.30	19.68
3767	NASDAQ	PRFT	Fri, Feb 13, 2015	19.12	19.65	18.95	19.53
3766	NASDAQ	PRFT	Thu, Feb 12, 2015	19.18	19.18	18.98	19.13
3765	NASDAQ	PRFT	Wed, Feb 11, 2015	18.76	19.16	18.23	18.98
3764	NASDAQ	PRFT	Tue, Feb 10, 2015	18.73	18.89	18.27	18.86
3763	NASDAQ	PRFT	Mon, Feb 9, 2015	19.02	19.02	18.50	18.55
3762	NASDAQ	PRFT	Fri, Feb 6, 2015	19.10	19.27	18.52	19.07
3761	NASDAQ	PRFT	Thu, Feb 5, 2015	18.91	19.13	18.72	19.10
3760	NASDAQ	PRFT	Wed, Feb 4, 2015	18.84	19.20	18.59	18.77
3759	NASDAQ	PRFT	Tue, Feb 3, 2015	18.29	18.99	18.13	18.91
3758	NASDAQ	PRFT	Mon, Feb 2, 2015	18.00	18.29	17.86	18.23
3757	NASDAQ	PRFT	Fri, Jan 30, 2015	18.29	18.44	17.95	18.00
3756	NASDAQ	PRFT	Thu, Jan 29, 2015	18.45	18.64	18.09	18.45
3755	NASDAQ	PRFT	Wed, Jan 28, 2015	18.99	18.99	18.47	18.59
3754	NASDAQ	PRFT	Tue, Jan 27, 2015	19.01	19.43	18.92	18.96
3753	NASDAQ	PRFT	Mon, Jan 26, 2015	19.15	19.27	19.05	19.20
3752	NASDAQ	PRFT	Fri, Jan 23, 2015	19.22	19.32	19.07	19.20
3751	NASDAQ	PRFT	Thu, Jan 22, 2015	19.65	19.65	18.90	19.26
3750	NASDAQ	PRFT	Wed, Jan 21, 2015	19.69	19.92	19.12	19.51
3749	NASDAQ	PRFT	Tue, Jan 20, 2015	19.37	20.12	19.00	19.82
3748	NASDAQ	PRFT	Fri, Jan 16, 2015	18.36	19.36	18.16	19.30
3747	NASDAQ	PRFT	Thu, Jan 15, 2015	18.35	18.63	18.05	18.44
3746	NASDAQ	PRFT	Wed, Jan 14, 2015	18.05	18.40	17.99	18.31
3745	NASDAQ	PRFT	Tue, Jan 13, 2015	18.22	18.61	17.94	18.32
3744	NASDAQ	PRFT	Mon, Jan 12, 2015	18.31	18.65	17.95	18.02
3743	NASDAQ	PRFT	Fri, Jan 9, 2015	18.86	19.00	18.29	18.37
3742	NASDAQ	PRFT	Thu, Jan 8, 2015	18.76	19.00	18.34	18.78
3741	NASDAQ	PRFT	Wed, Jan 7, 2015	18.24	18.63	18.04	18.56
3740	NASDAQ	PRFT	Tue, Jan 6, 2015	18.60	18.62	17.78	18.04
3739	NASDAQ	PRFT	Mon, Jan 5, 2015	18.41	18.79	18.40	18.55
3738	NASDAQ	PRFT	Fri, Jan 2, 2015	18.77	18.92	18.24	18.54
3737	NASDAQ	PRFT	Wed, Dec 31, 2014	18.71	19.10	18.58	18.63
3736	NASDAQ	PRFT	Tue, Dec 30, 2014	18.66	18.87	18.57	18.61
3735	NASDAQ	PRFT	Mon, Dec 29, 2014	18.69	18.80	18.52	18.77
3734	NASDAQ	PRFT	Fri, Dec 26, 2014	18.49	18.63	18.33	18.61
3733	NASDAQ	PRFT	Wed, Dec 24, 2014	18.31	18.52	18.07	18.48
3732	NASDAQ	PRFT	Tue, Dec 23, 2014	18.56	18.74	18.15	18.25
3731	NASDAQ	PRFT	Mon, Dec 22, 2014	18.53	18.75	18.21	18.42
3730	NASDAQ	PRFT	Fri, Dec 19, 2014	17.95	18.74	17.95	18.53
3729	NASDAQ	PRFT	Thu, Dec 18, 2014	17.39	17.96	17.39	17.83
3728	NASDAQ	PRFT	Wed, Dec 17, 2014	16.62	17.36	16.37	17.33
3727	NASDAQ	PRFT	Tue, Dec 16, 2014	16.80	17.12	16.58	16.58
3726	NASDAQ	PRFT	Mon, Dec 15, 2014	17.35	17.35	16.79	16.83
3725	NASDAQ	PRFT	Fri, Dec 12, 2014	17.83	17.97	17.02	17.27
3724	NASDAQ	PRFT	Thu, Dec 11, 2014	17.95	18.25	17.86	18.11
3723	NASDAQ	PRFT	Wed, Dec 10, 2014	17.98	18.18	17.63	17.86
3722	NASDAQ	PRFT	Tue, Dec 9, 2014	17.57	18.11	17.39	18.06
3721	NASDAQ	PRFT	Mon, Dec 8, 2014	17.97	18.15	17.66	17.77
3720	NASDAQ	PRFT	Fri, Dec 5, 2014	17.69	18.18	17.64	18.03
3719	NASDAQ	PRFT	Thu, Dec 4, 2014	17.49	17.71	17.37	17.66
3718	NASDAQ	PRFT	Wed, Dec 3, 2014	17.44	17.95	17.30	17.55
3717	NASDAQ	PRFT	Tue, Dec 2, 2014	16.97	17.58	16.75	17.48
3716	NASDAQ	PRFT	Mon, Dec 1, 2014	17.23	17.26	16.87	16.89
3715	NASDAQ	PRFT	Fri, Nov 28, 2014	17.76	17.82	17.25	17.31
3714	NASDAQ	PRFT	Wed, Nov 26, 2014	17.82	17.82	17.36	17.67
3713	NASDAQ	PRFT	Tue, Nov 25, 2014	17.42	18.06	17.34	17.81
3712	NASDAQ	PRFT	Mon, Nov 24, 2014	17.03	17.37	16.94	17.37
3711	NASDAQ	PRFT	Fri, Nov 21, 2014	17.01	17.10	16.83	17.02
3710	NASDAQ	PRFT	Thu, Nov 20, 2014	16.41	16.74	15.83	16.73
3709	NASDAQ	PRFT	Wed, Nov 19, 2014	16.78	16.78	16.36	16.50
3708	NASDAQ	PRFT	Tue, Nov 18, 2014	16.78	17.04	16.58	16.83
3707	NASDAQ	PRFT	Mon, Nov 17, 2014	17.20	17.30	16.70	16.78
3706	NASDAQ	PRFT	Fri, Nov 14, 2014	17.06	17.30	16.96	17.28
3705	NASDAQ	PRFT	Thu, Nov 13, 2014	17.15	17.19	17.08	17.09
3704	NASDAQ	PRFT	Wed, Nov 12, 2014	17.20	17.28	16.93	17.15
3703	NASDAQ	PRFT	Tue, Nov 11, 2014	17.37	17.45	17.20	17.27
3702	NASDAQ	PRFT	Mon, Nov 10, 2014	17.12	17.50	17.12	17.43
3701	NASDAQ	PRFT	Fri, Nov 7, 2014	17.30	17.32	16.89	17.21
3700	NASDAQ	PRFT	Thu, Nov 6, 2014	16.37	17.41	15.36	17.32
3699	NASDAQ	PRFT	Wed, Nov 5, 2014	17.17	17.34	16.80	17.30
3698	NASDAQ	PRFT	Tue, Nov 4, 2014	16.90	17.09	16.54	17.08
3697	NASDAQ	PRFT	Mon, Nov 3, 2014	16.57	17.15	16.41	17.05
3696	NASDAQ	PRFT	Fri, Oct 31, 2014	16.27	16.64	15.88	16.58
3695	NASDAQ	PRFT	Thu, Oct 30, 2014	15.39	16.00	15.25	15.90
3694	NASDAQ	PRFT	Wed, Oct 29, 2014	15.38	15.47	15.06	15.45
3693	NASDAQ	PRFT	Tue, Oct 28, 2014	14.74	15.50	14.56	15.40
3692	NASDAQ	PRFT	Mon, Oct 27, 2014	14.26	14.61	14.12	14.60
3691	NASDAQ	PRFT	Fri, Oct 24, 2014	14.45	14.50	14.15	14.37
3690	NASDAQ	PRFT	Thu, Oct 23, 2014	14.10	14.50	14.07	14.46
3689	NASDAQ	PRFT	Wed, Oct 22, 2014	14.99	15.20	14.21	14.25
3688	NASDAQ	PRFT	Tue, Oct 21, 2014	14.89	15.11	14.82	14.98
3687	NASDAQ	PRFT	Mon, Oct 20, 2014	14.65	15.06	14.65	14.83
3686	NASDAQ	PRFT	Fri, Oct 17, 2014	15.32	15.32	14.54	14.77
3685	NASDAQ	PRFT	Thu, Oct 16, 2014	15.13	15.47	15.04	15.07
3684	NASDAQ	PRFT	Wed, Oct 15, 2014	14.75	15.48	14.71	15.41
3683	NASDAQ	PRFT	Tue, Oct 14, 2014	14.55	15.11	14.40	14.86
3682	NASDAQ	PRFT	Mon, Oct 13, 2014	14.39	14.95	14.30	14.36
3681	NASDAQ	PRFT	Fri, Oct 10, 2014	14.07	14.63	14.05	14.34
3680	NASDAQ	PRFT	Thu, Oct 9, 2014	14.77	15.50	14.16	14.17
3679	NASDAQ	PRFT	Wed, Oct 8, 2014	14.19	14.83	14.11	14.78
3678	NASDAQ	PRFT	Tue, Oct 7, 2014	14.54	14.76	14.25	14.27
3677	NASDAQ	PRFT	Mon, Oct 6, 2014	14.96	15.20	14.51	14.70
3676	NASDAQ	PRFT	Fri, Oct 3, 2014	15.20	15.35	14.95	14.96
3675	NASDAQ	PRFT	Thu, Oct 2, 2014	14.78	15.35	14.77	15.21
3674	NASDAQ	PRFT	Wed, Oct 1, 2014	15.00	15.09	14.62	14.80
3673	NASDAQ	PRFT	Tue, Sep 30, 2014	15.08	15.22	14.97	14.99
3672	NASDAQ	PRFT	Mon, Sep 29, 2014	14.94	15.18	14.94	15.07
3671	NASDAQ	PRFT	Fri, Sep 26, 2014	15.33	15.48	15.06	15.19
3670	NASDAQ	PRFT	Thu, Sep 25, 2014	15.26	15.39	14.90	15.33
3669	NASDAQ	PRFT	Wed, Sep 24, 2014	15.13	15.37	14.75	15.32
3668	NASDAQ	PRFT	Tue, Sep 23, 2014	15.11	15.32	14.88	15.00
3667	NASDAQ	PRFT	Mon, Sep 22, 2014	15.16	15.35	15.03	15.14
3666	NASDAQ	PRFT	Fri, Sep 19, 2014	15.31	15.51	14.96	15.31
3665	NASDAQ	PRFT	Thu, Sep 18, 2014	14.68	15.24	14.54	15.22
3664	NASDAQ	PRFT	Wed, Sep 17, 2014	14.90	15.02	14.51	14.59
3663	NASDAQ	PRFT	Tue, Sep 16, 2014	15.06	15.20	14.69	14.95
3662	NASDAQ	PRFT	Mon, Sep 15, 2014	15.73	15.98	15.12	15.18
3661	NASDAQ	PRFT	Fri, Sep 12, 2014	15.99	16.09	15.71	15.80
3660	NASDAQ	PRFT	Thu, Sep 11, 2014	16.30	16.35	15.87	15.99
3659	NASDAQ	PRFT	Wed, Sep 10, 2014	16.69	16.71	16.41	16.44
3658	NASDAQ	PRFT	Tue, Sep 9, 2014	16.98	16.98	16.67	16.71
3657	NASDAQ	PRFT	Mon, Sep 8, 2014	17.00	17.11	16.88	17.07
3656	NASDAQ	PRFT	Fri, Sep 5, 2014	16.96	17.13	16.81	17.10
3655	NASDAQ	PRFT	Thu, Sep 4, 2014	17.19	17.39	17.06	17.06
3654	NASDAQ	PRFT	Wed, Sep 3, 2014	17.70	17.81	17.05	17.12
3653	NASDAQ	PRFT	Tue, Sep 2, 2014	17.36	17.60	17.15	17.59
3652	NASDAQ	PRFT	Fri, Aug 29, 2014	17.17	17.31	16.95	17.22
3651	NASDAQ	PRFT	Thu, Aug 28, 2014	16.97	17.55	16.97	17.08
3650	NASDAQ	PRFT	Wed, Aug 27, 2014	17.09	17.16	16.88	17.10
3649	NASDAQ	PRFT	Tue, Aug 26, 2014	17.05	17.24	16.90	17.20
3648	NASDAQ	PRFT	Mon, Aug 25, 2014	17.23	17.24	17.00	17.07
3647	NASDAQ	PRFT	Fri, Aug 22, 2014	17.14	17.24	17.04	17.08
3646	NASDAQ	PRFT	Thu, Aug 21, 2014	16.85	17.51	16.73	17.18
3645	NASDAQ	PRFT	Wed, Aug 20, 2014	16.98	17.17	16.65	16.71
3644	NASDAQ	PRFT	Tue, Aug 19, 2014	17.10	17.30	16.92	17.06
3643	NASDAQ	PRFT	Mon, Aug 18, 2014	17.04	17.23	16.82	17.08
3642	NASDAQ	PRFT	Fri, Aug 15, 2014	16.97	17.11	16.68	16.80
3641	NASDAQ	PRFT	Thu, Aug 14, 2014	16.81	17.06	16.63	16.77
3640	NASDAQ	PRFT	Wed, Aug 13, 2014	16.96	17.09	16.74	16.82
3639	NASDAQ	PRFT	Tue, Aug 12, 2014	17.10	17.14	16.69	16.86
3638	NASDAQ	PRFT	Mon, Aug 11, 2014	16.78	17.19	16.78	17.15
3637	NASDAQ	PRFT	Fri, Aug 8, 2014	16.65	16.92	16.40	16.76
3636	NASDAQ	PRFT	Thu, Aug 7, 2014	16.95	17.14	16.54	16.65
3635	NASDAQ	PRFT	Wed, Aug 6, 2014	16.70	17.31	16.66	16.91
3634	NASDAQ	PRFT	Tue, Aug 5, 2014	17.23	17.06	16.74	16.90
3633	NASDAQ	PRFT	Mon, Aug 4, 2014	16.94	17.09	16.48	16.96
3632	NASDAQ	PRFT	Fri, Aug 1, 2014	17.04	17.14	16.53	16.86
3631	NASDAQ	PRFT	Thu, Jul 31, 2014	18.16	18.20	16.89	16.99
3630	NASDAQ	PRFT	Wed, Jul 30, 2014	19.46	19.46	18.28	18.37
3629	NASDAQ	PRFT	Tue, Jul 29, 2014	19.30	19.76	19.06	19.34
3628	NASDAQ	PRFT	Mon, Jul 28, 2014	19.59	19.62	18.92	19.31
3627	NASDAQ	PRFT	Fri, Jul 25, 2014	19.58	19.85	19.44	19.59
3626	NASDAQ	PRFT	Thu, Jul 24, 2014	19.56	19.89	19.56	19.79
3625	NASDAQ	PRFT	Wed, Jul 23, 2014	19.61	19.76	19.46	19.64
3624	NASDAQ	PRFT	Tue, Jul 22, 2014	19.43	19.65	19.12	19.58
3623	NASDAQ	PRFT	Mon, Jul 21, 2014	19.14	19.47	19.14	19.32
3622	NASDAQ	PRFT	Fri, Jul 18, 2014	18.88	19.32	18.87	19.23
3621	NASDAQ	PRFT	Thu, Jul 17, 2014	18.80	18.98	18.80	18.90
3620	NASDAQ	PRFT	Wed, Jul 16, 2014	19.23	19.23	18.68	18.96
3619	NASDAQ	PRFT	Tue, Jul 15, 2014	19.06	19.36	18.49	19.11
3618	NASDAQ	PRFT	Mon, Jul 14, 2014	19.43	19.43	19.05	19.08
3617	NASDAQ	PRFT	Fri, Jul 11, 2014	19.19	19.48	19.05	19.16
3616	NASDAQ	PRFT	Thu, Jul 10, 2014	19.23	19.48	19.16	19.27
3615	NASDAQ	PRFT	Wed, Jul 9, 2014	19.76	19.95	19.58	19.82
3614	NASDAQ	PRFT	Tue, Jul 8, 2014	20.13	20.19	19.49	19.67
3613	NASDAQ	PRFT	Mon, Jul 7, 2014	20.25	20.37	19.99	20.21
3612	NASDAQ	PRFT	Thu, Jul 3, 2014	20.10	20.48	20.05	20.35
3611	NASDAQ	PRFT	Wed, Jul 2, 2014	20.11	20.50	19.98	20.04
3610	NASDAQ	PRFT	Tue, Jul 1, 2014	19.55	20.50	19.50	20.14
3609	NASDAQ	PRFT	Mon, Jun 30, 2014	19.54	19.54	19.25	19.47
3608	NASDAQ	PRFT	Fri, Jun 27, 2014	18.95	19.61	18.95	19.54
3607	NASDAQ	PRFT	Thu, Jun 26, 2014	19.16	19.20	18.79	19.10
3606	NASDAQ	PRFT	Wed, Jun 25, 2014	18.96	19.30	18.82	19.18
3605	NASDAQ	PRFT	Tue, Jun 24, 2014	19.18	19.47	18.94	19.10
3604	NASDAQ	PRFT	Mon, Jun 23, 2014	19.09	19.25	18.76	19.15
3603	NASDAQ	PRFT	Fri, Jun 20, 2014	18.62	19.40	18.50	19.07
3602	NASDAQ	PRFT	Thu, Jun 19, 2014	18.75	18.84	18.44	18.51
3601	NASDAQ	PRFT	Wed, Jun 18, 2014	18.84	18.84	18.49	18.68
3600	NASDAQ	PRFT	Tue, Jun 17, 2014	18.58	18.81	18.52	18.77
3599	NASDAQ	PRFT	Mon, Jun 16, 2014	18.40	18.63	18.28	18.54
3598	NASDAQ	PRFT	Fri, Jun 13, 2014	18.48	18.60	18.33	18.44
3597	NASDAQ	PRFT	Thu, Jun 12, 2014	18.24	18.55	18.02	18.45
3596	NASDAQ	PRFT	Wed, Jun 11, 2014	18.29	18.50	17.90	18.30
3595	NASDAQ	PRFT	Tue, Jun 10, 2014	18.32	18.44	18.05	18.42
3594	NASDAQ	PRFT	Mon, Jun 9, 2014	18.44	18.54	18.02	18.44
3593	NASDAQ	PRFT	Fri, Jun 6, 2014	18.09	18.55	17.88	18.47
3592	NASDAQ	PRFT	Thu, Jun 5, 2014	17.70	18.03	17.53	17.95
3591	NASDAQ	PRFT	Wed, Jun 4, 2014	17.24	17.97	17.08	17.68
3590	NASDAQ	PRFT	Tue, Jun 3, 2014	17.26	17.38	16.98	17.24
3589	NASDAQ	PRFT	Mon, Jun 2, 2014	17.69	17.75	17.12	17.32
3588	NASDAQ	PRFT	Fri, May 30, 2014	18.25	18.25	17.56	17.64
3587	NASDAQ	PRFT	Thu, May 29, 2014	18.28	18.40	18.09	18.17
3586	NASDAQ	PRFT	Wed, May 28, 2014	18.63	18.83	18.08	18.25
3585	NASDAQ	PRFT	Tue, May 27, 2014	18.73	19.04	18.62	18.70
3584	NASDAQ	PRFT	Fri, May 23, 2014	18.42	18.61	18.34	18.48
3583	NASDAQ	PRFT	Thu, May 22, 2014	18.10	18.90	17.67	18.38
3582	NASDAQ	PRFT	Wed, May 21, 2014	17.11	17.29	16.96	17.05
3581	NASDAQ	PRFT	Tue, May 20, 2014	17.20	17.22	16.85	17.02
3580	NASDAQ	PRFT	Mon, May 19, 2014	16.86	17.30	16.71	17.20
3579	NASDAQ	PRFT	Fri, May 16, 2014	16.81	16.95	16.48	16.89
3578	NASDAQ	PRFT	Thu, May 15, 2014	16.76	16.92	16.32	16.82
3577	NASDAQ	PRFT	Wed, May 14, 2014	17.66	17.68	16.85	16.90
3576	NASDAQ	PRFT	Tue, May 13, 2014	18.35	18.35	17.55	17.66
3575	NASDAQ	PRFT	Mon, May 12, 2014	17.92	18.66	17.83	18.46
3574	NASDAQ	PRFT	Fri, May 9, 2014	17.34	18.04	17.34	17.73
3573	NASDAQ	PRFT	Thu, May 8, 2014	17.32	18.30	16.08	17.50
3572	NASDAQ	PRFT	Wed, May 7, 2014	18.29	18.34	17.63	18.21
3571	NASDAQ	PRFT	Tue, May 6, 2014	18.26	18.67	18.11	18.29
3570	NASDAQ	PRFT	Mon, May 5, 2014	18.15	18.51	17.81	18.42
3569	NASDAQ	PRFT	Fri, May 2, 2014	18.38	18.75	18.09	18.30
3568	NASDAQ	PRFT	Thu, May 1, 2014	18.15	18.55	17.94	18.29
3567	NASDAQ	PRFT	Wed, Apr 30, 2014	17.71	18.42	17.70	18.29
3566	NASDAQ	PRFT	Tue, Apr 29, 2014	17.79	17.91	17.57	17.76
3565	NASDAQ	PRFT	Mon, Apr 28, 2014	17.73	18.06	17.22	17.64
3564	NASDAQ	PRFT	Fri, Apr 25, 2014	18.25	18.26	17.52	17.69
3563	NASDAQ	PRFT	Thu, Apr 24, 2014	18.88	18.88	18.35	18.39
3562	NASDAQ	PRFT	Wed, Apr 23, 2014	18.63	18.80	18.28	18.67
3561	NASDAQ	PRFT	Tue, Apr 22, 2014	18.68	18.89	18.55	18.66
3560	NASDAQ	PRFT	Mon, Apr 21, 2014	18.90	19.09	18.32	18.65
3559	NASDAQ	PRFT	Thu, Apr 17, 2014	18.05	19.04	17.87	18.93
3558	NASDAQ	PRFT	Wed, Apr 16, 2014	17.72	18.22	17.36	18.16
3557	NASDAQ	PRFT	Tue, Apr 15, 2014	17.00	17.59	16.47	17.49
3556	NASDAQ	PRFT	Mon, Apr 14, 2014	16.80	17.00	16.65	16.94
3555	NASDAQ	PRFT	Fri, Apr 11, 2014	16.83	17.14	16.50	16.59
3554	NASDAQ	PRFT	Thu, Apr 10, 2014	17.64	17.70	16.84	17.01
3553	NASDAQ	PRFT	Wed, Apr 9, 2014	17.64	17.75	17.42	17.64
3552	NASDAQ	PRFT	Tue, Apr 8, 2014	17.18	17.74	17.15	17.53
3551	NASDAQ	PRFT	Mon, Apr 7, 2014	17.52	17.97	17.12	17.21
3550	NASDAQ	PRFT	Fri, Apr 4, 2014	18.58	18.60	17.55	17.65
3549	NASDAQ	PRFT	Thu, Apr 3, 2014	18.85	18.85	18.19	18.46
3548	NASDAQ	PRFT	Wed, Apr 2, 2014	18.42	18.83	18.32	18.83
3547	NASDAQ	PRFT	Tue, Apr 1, 2014	18.23	18.55	18.10	18.43
3546	NASDAQ	PRFT	Mon, Mar 31, 2014	17.86	18.58	17.79	18.12
3545	NASDAQ	PRFT	Fri, Mar 28, 2014	17.94	18.10	17.61	17.77
3544	NASDAQ	PRFT	Thu, Mar 27, 2014	18.28	18.51	17.80	17.94
3543	NASDAQ	PRFT	Wed, Mar 26, 2014	18.77	18.81	18.15	18.24
3542	NASDAQ	PRFT	Tue, Mar 25, 2014	18.73	19.31	18.50	18.57
3541	NASDAQ	PRFT	Mon, Mar 24, 2014	19.36	19.45	18.68	18.83
3540	NASDAQ	PRFT	Fri, Mar 21, 2014	19.72	19.72	19.15	19.35
3539	NASDAQ	PRFT	Thu, Mar 20, 2014	19.79	19.99	19.48	19.68
3538	NASDAQ	PRFT	Wed, Mar 19, 2014	20.43	20.55	19.83	19.88
3537	NASDAQ	PRFT	Tue, Mar 18, 2014	20.20	20.72	20.12	20.43
3536	NASDAQ	PRFT	Mon, Mar 17, 2014	20.01	20.37	19.81	20.17
3535	NASDAQ	PRFT	Fri, Mar 14, 2014	19.35	19.91	19.35	19.87
3534	NASDAQ	PRFT	Thu, Mar 13, 2014	19.81	19.85	19.10	19.34
3533	NASDAQ	PRFT	Wed, Mar 12, 2014	19.44	19.81	19.19	19.78
3532	NASDAQ	PRFT	Tue, Mar 11, 2014	19.58	19.95	19.38	19.53
3531	NASDAQ	PRFT	Mon, Mar 10, 2014	19.80	20.38	19.51	19.88
3530	NASDAQ	PRFT	Fri, Mar 7, 2014	19.09	20.05	19.03	20.03
3529	NASDAQ	PRFT	Thu, Mar 6, 2014	20.95	20.95	18.41	18.96
3528	NASDAQ	PRFT	Wed, Mar 5, 2014	20.81	21.06	20.62	20.89
3527	NASDAQ	PRFT	Tue, Mar 4, 2014	20.37	21.18	19.79	20.82
3526	NASDAQ	PRFT	Mon, Mar 3, 2014	20.19	20.63	19.26	20.08
3525	NASDAQ	PRFT	Fri, Feb 28, 2014	20.72	21.03	20.12	20.41
3524	NASDAQ	PRFT	Thu, Feb 27, 2014	20.30	20.70	19.79	20.67
3523	NASDAQ	PRFT	Wed, Feb 26, 2014	20.19	20.58	19.77	20.35
3522	NASDAQ	PRFT	Tue, Feb 25, 2014	20.54	20.54	20.04	20.21
3521	NASDAQ	PRFT	Mon, Feb 24, 2014	20.43	20.84	20.36	20.59
3520	NASDAQ	PRFT	Fri, Feb 21, 2014	20.31	20.64	20.13	20.45
3519	NASDAQ	PRFT	Thu, Feb 20, 2014	19.29	20.31	19.07	20.20
3518	NASDAQ	PRFT	Wed, Feb 19, 2014	19.41	19.70	19.06	19.31
3517	NASDAQ	PRFT	Tue, Feb 18, 2014	19.97	20.10	19.42	19.55
3516	NASDAQ	PRFT	Fri, Feb 14, 2014	20.26	20.46	19.99	20.03
3515	NASDAQ	PRFT	Thu, Feb 13, 2014	19.58	20.41	19.57	20.29
3514	NASDAQ	PRFT	Wed, Feb 12, 2014	19.42	19.85	19.16	19.75
3513	NASDAQ	PRFT	Tue, Feb 11, 2014	19.92	20.43	19.42	19.44
3512	NASDAQ	PRFT	Mon, Feb 10, 2014	20.51	20.51	19.53	19.90
3511	NASDAQ	PRFT	Fri, Feb 7, 2014	20.08	20.74	19.86	20.51
3510	NASDAQ	PRFT	Thu, Feb 6, 2014	20.10	20.59	19.99	20.00
3509	NASDAQ	PRFT	Wed, Feb 5, 2014	19.95	20.33	19.24	20.14
3508	NASDAQ	PRFT	Tue, Feb 4, 2014	20.06	20.53	19.81	20.14
3507	NASDAQ	PRFT	Mon, Feb 3, 2014	20.55	20.83	19.78	20.01
3506	NASDAQ	PRFT	Fri, Jan 31, 2014	20.52	20.88	19.82	20.53
3505	NASDAQ	PRFT	Thu, Jan 30, 2014	20.21	21.09	20.09	20.91
3504	NASDAQ	PRFT	Wed, Jan 29, 2014	19.94	20.46	19.77	20.23
3503	NASDAQ	PRFT	Tue, Jan 28, 2014	19.40	20.24	19.02	20.18
3502	NASDAQ	PRFT	Mon, Jan 27, 2014	20.49	20.53	19.39	19.43
3501	NASDAQ	PRFT	Fri, Jan 24, 2014	22.00	22.10	20.07	20.56
3500	NASDAQ	PRFT	Thu, Jan 23, 2014	22.47	22.51	21.95	22.15
3499	NASDAQ	PRFT	Wed, Jan 22, 2014	21.44	22.65	21.44	22.57
3498	NASDAQ	PRFT	Tue, Jan 21, 2014	22.01	22.35	21.44	21.51
3497	NASDAQ	PRFT	Fri, Jan 17, 2014	22.11	22.23	21.76	21.90
3496	NASDAQ	PRFT	Thu, Jan 16, 2014	22.69	22.78	21.81	22.19
3495	NASDAQ	PRFT	Wed, Jan 15, 2014	22.15	22.73	22.05	22.69
3494	NASDAQ	PRFT	Tue, Jan 14, 2014	21.82	22.11	21.66	22.08
3493	NASDAQ	PRFT	Mon, Jan 13, 2014	22.60	22.62	21.61	21.82
3492	NASDAQ	PRFT	Fri, Jan 10, 2014	22.51	23.03	21.84	22.59
3491	NASDAQ	PRFT	Thu, Jan 9, 2014	22.96	23.09	22.23	22.46
3490	NASDAQ	PRFT	Wed, Jan 8, 2014	22.74	23.00	22.53	22.82
3489	NASDAQ	PRFT	Tue, Jan 7, 2014	22.87	23.31	22.60	22.75
3488	NASDAQ	PRFT	Mon, Jan 6, 2014	23.40	23.28	22.31	22.86
3487	NASDAQ	PRFT	Fri, Jan 3, 2014	22.36	23.40	22.28	23.26
3486	NASDAQ	PRFT	Thu, Jan 2, 2014	23.20	23.20	22.10	22.23
3485	NASDAQ	PRFT	Tue, Dec 31, 2013	23.35	23.71	23.25	23.42
3484	NASDAQ	PRFT	Mon, Dec 30, 2013	24.03	24.05	23.26	23.34
3483	NASDAQ	PRFT	Fri, Dec 27, 2013	23.93	24.11	23.45	23.97
3482	NASDAQ	PRFT	Thu, Dec 26, 2013	23.90	23.96	23.45	23.82
3481	NASDAQ	PRFT	Tue, Dec 24, 2013	23.69	23.92	23.56	23.81
3480	NASDAQ	PRFT	Mon, Dec 23, 2013	23.25	23.66	23.13	23.62
3479	NASDAQ	PRFT	Fri, Dec 20, 2013	22.88	23.28	22.63	23.05
3478	NASDAQ	PRFT	Thu, Dec 19, 2013	22.19	23.04	22.09	22.77
3477	NASDAQ	PRFT	Wed, Dec 18, 2013	22.04	22.34	21.70	22.26
3476	NASDAQ	PRFT	Tue, Dec 17, 2013	22.18	22.20	21.75	22.07
3475	NASDAQ	PRFT	Mon, Dec 16, 2013	22.14	22.44	22.05	22.24
3474	NASDAQ	PRFT	Fri, Dec 13, 2013	22.33	22.49	21.95	22.11
3473	NASDAQ	PRFT	Thu, Dec 12, 2013	22.62	22.65	22.16	22.22
3472	NASDAQ	PRFT	Wed, Dec 11, 2013	22.66	22.97	22.52	22.66
3471	NASDAQ	PRFT	Tue, Dec 10, 2013	22.49	22.75	22.39	22.65
3470	NASDAQ	PRFT	Mon, Dec 9, 2013	23.05	23.23	22.11	22.47
3469	NASDAQ	PRFT	Fri, Dec 6, 2013	22.80	23.27	22.80	22.95
3468	NASDAQ	PRFT	Thu, Dec 5, 2013	21.58	23.73	21.52	22.48
3467	NASDAQ	PRFT	Wed, Dec 4, 2013	20.85	21.60	20.21	21.51
3466	NASDAQ	PRFT	Tue, Dec 3, 2013	21.15	21.24	20.81	20.87
3465	NASDAQ	PRFT	Mon, Dec 2, 2013	21.65	21.65	21.15	21.27
3464	NASDAQ	PRFT	Fri, Nov 29, 2013	20.46	21.90	20.02	21.68
3463	NASDAQ	PRFT	Wed, Nov 27, 2013	20.40	20.63	20.00	20.34
3462	NASDAQ	PRFT	Tue, Nov 26, 2013	20.29	20.46	20.06	20.33
3461	NASDAQ	PRFT	Mon, Nov 25, 2013	20.36	20.49	20.16	20.27
3460	NASDAQ	PRFT	Fri, Nov 22, 2013	20.43	20.43	20.09	20.36
3459	NASDAQ	PRFT	Thu, Nov 21, 2013	20.00	20.52	19.84	20.45
3458	NASDAQ	PRFT	Wed, Nov 20, 2013	19.74	20.05	19.33	19.96
3457	NASDAQ	PRFT	Tue, Nov 19, 2013	19.37	19.84	19.30	19.69
3456	NASDAQ	PRFT	Mon, Nov 18, 2013	19.86	20.00	19.29	19.43
3455	NASDAQ	PRFT	Fri, Nov 15, 2013	19.74	19.89	19.58	19.80
3454	NASDAQ	PRFT	Thu, Nov 14, 2013	20.02	20.17	19.66	19.77
3453	NASDAQ	PRFT	Wed, Nov 13, 2013	19.97	20.42	19.80	20.08
3452	NASDAQ	PRFT	Tue, Nov 12, 2013	19.79	20.25	19.78	20.07
3451	NASDAQ	PRFT	Mon, Nov 11, 2013	20.32	20.41	19.23	19.82
3450	NASDAQ	PRFT	Fri, Nov 8, 2013	19.42	20.90	18.86	20.57
3449	NASDAQ	PRFT	Thu, Nov 7, 2013	19.50	20.05	18.18	19.68
3448	NASDAQ	PRFT	Wed, Nov 6, 2013	18.12	18.26	17.68	17.83
3447	NASDAQ	PRFT	Tue, Nov 5, 2013	17.47	18.16	17.35	17.92
3446	NASDAQ	PRFT	Mon, Nov 4, 2013	17.43	17.72	17.25	17.53
3445	NASDAQ	PRFT	Fri, Nov 1, 2013	18.03	18.20	17.35	17.43
3444	NASDAQ	PRFT	Thu, Oct 31, 2013	18.62	18.62	17.77	18.09
3443	NASDAQ	PRFT	Wed, Oct 30, 2013	19.10	19.15	18.48	18.71
3442	NASDAQ	PRFT	Tue, Oct 29, 2013	19.30	19.33	18.66	19.15
3441	NASDAQ	PRFT	Mon, Oct 28, 2013	19.62	19.73	19.18	19.29
3440	NASDAQ	PRFT	Fri, Oct 25, 2013	19.89	19.91	19.29	19.60
3439	NASDAQ	PRFT	Thu, Oct 24, 2013	19.38	19.91	19.29	19.80
3438	NASDAQ	PRFT	Wed, Oct 23, 2013	19.76	19.77	19.31	19.41
3437	NASDAQ	PRFT	Tue, Oct 22, 2013	20.16	20.25	19.69	19.89
3436	NASDAQ	PRFT	Mon, Oct 21, 2013	20.35	20.97	19.98	20.11
3435	NASDAQ	PRFT	Fri, Oct 18, 2013	19.90	20.26	19.56	20.25
3434	NASDAQ	PRFT	Thu, Oct 17, 2013	19.63	19.91	19.37	19.68
3433	NASDAQ	PRFT	Wed, Oct 16, 2013	20.21	20.42	19.66	19.75
3432	NASDAQ	PRFT	Tue, Oct 15, 2013	19.85	20.11	19.30	20.10
3431	NASDAQ	PRFT	Mon, Oct 14, 2013	19.70	20.14	19.51	19.85
3430	NASDAQ	PRFT	Fri, Oct 11, 2013	18.86	19.56	18.82	19.30
3429	NASDAQ	PRFT	Thu, Oct 10, 2013	18.39	19.00	18.35	18.89
3428	NASDAQ	PRFT	Wed, Oct 9, 2013	18.09	18.39	17.58	18.16
3427	NASDAQ	PRFT	Tue, Oct 8, 2013	18.63	18.71	17.81	18.00
3426	NASDAQ	PRFT	Mon, Oct 7, 2013	18.68	18.94	18.60	18.67
3425	NASDAQ	PRFT	Fri, Oct 4, 2013	19.14	19.40	18.54	18.86
3424	NASDAQ	PRFT	Thu, Oct 3, 2013	18.42	19.34	17.84	19.19
3423	NASDAQ	PRFT	Wed, Oct 2, 2013	18.53	18.53	18.24	18.47
3422	NASDAQ	PRFT	Tue, Oct 1, 2013	18.38	18.60	18.26	18.54
3421	NASDAQ	PRFT	Mon, Sep 30, 2013	18.11	18.42	17.92	18.36
3420	NASDAQ	PRFT	Fri, Sep 27, 2013	18.20	18.46	18.00	18.40
3419	NASDAQ	PRFT	Thu, Sep 26, 2013	18.05	18.51	18.01	18.37
3418	NASDAQ	PRFT	Wed, Sep 25, 2013	17.93	18.45	17.56	18.05
3417	NASDAQ	PRFT	Tue, Sep 24, 2013	17.93	18.15	17.72	17.84
3416	NASDAQ	PRFT	Mon, Sep 23, 2013	17.88	18.11	17.38	17.85
3415	NASDAQ	PRFT	Fri, Sep 20, 2013	17.34	17.80	17.20	17.64
3414	NASDAQ	PRFT	Thu, Sep 19, 2013	17.40	17.46	17.12	17.25
3413	NASDAQ	PRFT	Wed, Sep 18, 2013	17.37	17.50	16.99	17.38
3412	NASDAQ	PRFT	Tue, Sep 17, 2013	17.03	17.43	17.00	17.42
3411	NASDAQ	PRFT	Mon, Sep 16, 2013	17.30	17.40	16.95	17.06
3410	NASDAQ	PRFT	Fri, Sep 13, 2013	16.39	17.39	16.24	17.17
3409	NASDAQ	PRFT	Thu, Sep 12, 2013	16.27	16.27	15.92	16.07
3408	NASDAQ	PRFT	Wed, Sep 11, 2013	16.22	16.37	16.05	16.31
3407	NASDAQ	PRFT	Tue, Sep 10, 2013	16.05	16.34	15.87	16.27
3406	NASDAQ	PRFT	Mon, Sep 9, 2013	16.18	16.18	15.91	16.00
3405	NASDAQ	PRFT	Fri, Sep 6, 2013	16.13	16.34	15.64	16.14
3404	NASDAQ	PRFT	Thu, Sep 5, 2013	16.03	16.25	15.88	16.03
3403	NASDAQ	PRFT	Wed, Sep 4, 2013	16.11	16.28	15.91	15.96
3402	NASDAQ	PRFT	Tue, Sep 3, 2013	16.35	16.47	16.03	16.11
3401	NASDAQ	PRFT	Fri, Aug 30, 2013	16.37	16.58	16.01	16.13
3400	NASDAQ	PRFT	Thu, Aug 29, 2013	16.36	16.61	16.02	16.38
3399	NASDAQ	PRFT	Wed, Aug 28, 2013	16.52	16.60	16.30	16.35
3398	NASDAQ	PRFT	Tue, Aug 27, 2013	16.59	16.87	16.45	16.46
3397	NASDAQ	PRFT	Mon, Aug 26, 2013	16.90	16.90	16.68	16.79
3396	NASDAQ	PRFT	Fri, Aug 23, 2013	16.92	17.10	16.75	16.88
3395	NASDAQ	PRFT	Thu, Aug 22, 2013	16.95	17.17	16.57	16.89
3394	NASDAQ	PRFT	Wed, Aug 21, 2013	17.01	17.15	16.53	16.93
3393	NASDAQ	PRFT	Tue, Aug 20, 2013	16.78	17.45	16.78	17.07
3392	NASDAQ	PRFT	Mon, Aug 19, 2013	16.95	17.13	16.70	16.80
3391	NASDAQ	PRFT	Fri, Aug 16, 2013	16.90	17.13	16.71	16.95
3390	NASDAQ	PRFT	Thu, Aug 15, 2013	16.82	17.01	16.65	16.99
3389	NASDAQ	PRFT	Wed, Aug 14, 2013	16.89	17.18	16.86	17.08
3388	NASDAQ	PRFT	Tue, Aug 13, 2013	16.28	16.99	16.28	16.94
3387	NASDAQ	PRFT	Mon, Aug 12, 2013	16.55	16.60	16.20	16.33
3386	NASDAQ	PRFT	Fri, Aug 9, 2013	16.80	16.81	16.49	16.62
3385	NASDAQ	PRFT	Thu, Aug 8, 2013	16.87	17.07	16.59	16.82
3384	NASDAQ	PRFT	Wed, Aug 7, 2013	16.65	16.82	16.55	16.71
3383	NASDAQ	PRFT	Tue, Aug 6, 2013	16.90	17.10	16.50	16.65
3382	NASDAQ	PRFT	Mon, Aug 5, 2013	16.12	17.56	16.12	16.90
3381	NASDAQ	PRFT	Fri, Aug 2, 2013	15.76	16.25	15.66	16.03
3380	NASDAQ	PRFT	Thu, Aug 1, 2013	14.00	15.95	13.75	15.88
3379	NASDAQ	PRFT	Wed, Jul 31, 2013	13.60	13.95	13.54	13.65
3378	NASDAQ	PRFT	Tue, Jul 30, 2013	13.46	13.75	13.43	13.60
3377	NASDAQ	PRFT	Mon, Jul 29, 2013	13.50	13.67	13.28	13.44
3376	NASDAQ	PRFT	Fri, Jul 26, 2013	13.45	13.71	13.38	13.50
3375	NASDAQ	PRFT	Thu, Jul 25, 2013	13.55	13.63	13.33	13.57
3374	NASDAQ	PRFT	Wed, Jul 24, 2013	14.10	14.10	13.50	13.53
3373	NASDAQ	PRFT	Tue, Jul 23, 2013	14.35	14.35	14.02	14.03
3372	NASDAQ	PRFT	Mon, Jul 22, 2013	14.31	14.39	14.24	14.33
3371	NASDAQ	PRFT	Fri, Jul 19, 2013	14.41	14.60	14.19	14.30
3370	NASDAQ	PRFT	Thu, Jul 18, 2013	14.26	14.57	14.22	14.41
3369	NASDAQ	PRFT	Wed, Jul 17, 2013	14.20	14.30	14.05	14.22
3368	NASDAQ	PRFT	Tue, Jul 16, 2013	13.84	14.15	13.73	14.11
3367	NASDAQ	PRFT	Mon, Jul 15, 2013	13.87	14.00	13.57	13.84
3366	NASDAQ	PRFT	Fri, Jul 12, 2013	13.26	13.89	12.99	13.76
3365	NASDAQ	PRFT	Thu, Jul 11, 2013	13.08	13.28	12.99	13.24
3364	NASDAQ	PRFT	Wed, Jul 10, 2013	13.44	13.53	12.51	12.98
3363	NASDAQ	PRFT	Tue, Jul 9, 2013	14.28	14.40	13.27	13.43
3362	NASDAQ	PRFT	Mon, Jul 8, 2013	14.39	14.69	14.03	14.44
3361	NASDAQ	PRFT	Fri, Jul 5, 2013	13.92	14.39	13.83	14.39
3360	NASDAQ	PRFT	Wed, Jul 3, 2013	13.58	13.90	13.57	13.79
3359	NASDAQ	PRFT	Tue, Jul 2, 2013	13.52	13.74	13.40	13.69
3358	NASDAQ	PRFT	Mon, Jul 1, 2013	13.43	13.59	13.27	13.57
3357	NASDAQ	PRFT	Fri, Jun 28, 2013	13.22	13.50	13.10	13.34
3356	NASDAQ	PRFT	Thu, Jun 27, 2013	12.92	13.37	12.92	13.29
3355	NASDAQ	PRFT	Wed, Jun 26, 2013	13.20	13.25	12.87	12.87
3354	NASDAQ	PRFT	Tue, Jun 25, 2013	13.20	13.25	13.00	13.16
3353	NASDAQ	PRFT	Mon, Jun 24, 2013	13.21	13.30	12.98	13.11
3352	NASDAQ	PRFT	Fri, Jun 21, 2013	13.34	13.43	13.03	13.30
3351	NASDAQ	PRFT	Thu, Jun 20, 2013	13.26	13.37	13.00	13.28
3350	NASDAQ	PRFT	Wed, Jun 19, 2013	13.69	13.78	13.42	13.48
3349	NASDAQ	PRFT	Tue, Jun 18, 2013	13.64	13.87	13.56	13.65
3348	NASDAQ	PRFT	Mon, Jun 17, 2013	13.72	13.95	13.63	13.66
3347	NASDAQ	PRFT	Fri, Jun 14, 2013	13.72	13.85	13.40	13.58
3346	NASDAQ	PRFT	Thu, Jun 13, 2013	13.28	13.75	13.28	13.70
3345	NASDAQ	PRFT	Wed, Jun 12, 2013	13.42	13.53	13.12	13.23
3344	NASDAQ	PRFT	Tue, Jun 11, 2013	13.29	13.40	13.01	13.34
3343	NASDAQ	PRFT	Mon, Jun 10, 2013	13.22	13.51	13.19	13.44
3342	NASDAQ	PRFT	Fri, Jun 7, 2013	13.10	13.29	13.06	13.21
3341	NASDAQ	PRFT	Thu, Jun 6, 2013	12.95	13.10	12.81	13.10
3340	NASDAQ	PRFT	Wed, Jun 5, 2013	12.84	13.10	12.52	12.96
3339	NASDAQ	PRFT	Tue, Jun 4, 2013	12.97	13.03	12.71	12.83
3338	NASDAQ	PRFT	Mon, Jun 3, 2013	12.62	13.00	12.44	12.99
3337	NASDAQ	PRFT	Fri, May 31, 2013	12.82	12.82	12.04	12.60
3336	NASDAQ	PRFT	Thu, May 30, 2013	12.55	12.93	12.52	12.93
3335	NASDAQ	PRFT	Wed, May 29, 2013	12.44	12.66	12.40	12.54
3334	NASDAQ	PRFT	Tue, May 28, 2013	12.50	12.87	12.39	12.49
3333	NASDAQ	PRFT	Fri, May 24, 2013	12.23	12.43	12.11	12.43
3332	NASDAQ	PRFT	Thu, May 23, 2013	12.05	12.42	11.99	12.34
3331	NASDAQ	PRFT	Wed, May 22, 2013	12.38	12.65	12.17	12.30
3330	NASDAQ	PRFT	Tue, May 21, 2013	12.49	12.57	12.24	12.40
3329	NASDAQ	PRFT	Mon, May 20, 2013	12.25	12.55	12.18	12.53
3328	NASDAQ	PRFT	Fri, May 17, 2013	12.00	12.38	11.94	12.31
3327	NASDAQ	PRFT	Thu, May 16, 2013	11.72	12.00	11.68	11.90
3326	NASDAQ	PRFT	Wed, May 15, 2013	11.49	11.71	11.44	11.68
3325	NASDAQ	PRFT	Tue, May 14, 2013	11.39	11.64	11.39	11.49
3324	NASDAQ	PRFT	Mon, May 13, 2013	11.56	11.56	11.32	11.51
3323	NASDAQ	PRFT	Fri, May 10, 2013	11.37	11.67	11.34	11.56
3322	NASDAQ	PRFT	Thu, May 9, 2013	11.60	11.60	10.76	11.39
3321	NASDAQ	PRFT	Wed, May 8, 2013	11.42	11.73	11.37	11.73
3320	NASDAQ	PRFT	Tue, May 7, 2013	11.48	11.49	11.11	11.42
3319	NASDAQ	PRFT	Mon, May 6, 2013	11.07	11.49	11.00	11.48
3318	NASDAQ	PRFT	Fri, May 3, 2013	11.07	11.37	10.88	11.10
3317	NASDAQ	PRFT	Thu, May 2, 2013	10.68	11.12	10.55	10.91
3316	NASDAQ	PRFT	Wed, May 1, 2013	10.45	10.74	10.04	10.48
3315	NASDAQ	PRFT	Tue, Apr 30, 2013	10.25	10.59	10.25	10.48
3314	NASDAQ	PRFT	Mon, Apr 29, 2013	10.43	10.45	10.25	10.30
3313	NASDAQ	PRFT	Fri, Apr 26, 2013	10.51	10.56	10.30	10.36
3312	NASDAQ	PRFT	Thu, Apr 25, 2013	10.53	10.65	10.49	10.52
3311	NASDAQ	PRFT	Wed, Apr 24, 2013	10.32	10.56	10.32	10.51
3310	NASDAQ	PRFT	Tue, Apr 23, 2013	10.14	10.32	10.05	10.30
3309	NASDAQ	PRFT	Mon, Apr 22, 2013	10.28	10.28	10.00	10.04
3308	NASDAQ	PRFT	Fri, Apr 19, 2013	10.37	10.55	10.17	10.23
3307	NASDAQ	PRFT	Thu, Apr 18, 2013	10.23	10.57	10.23	10.37
3306	NASDAQ	PRFT	Wed, Apr 17, 2013	10.43	10.64	10.13	10.18
3305	NASDAQ	PRFT	Tue, Apr 16, 2013	10.33	10.59	10.33	10.50
3304	NASDAQ	PRFT	Mon, Apr 15, 2013	10.80	10.90	10.12	10.21
3303	NASDAQ	PRFT	Fri, Apr 12, 2013	10.94	11.05	10.85	10.90
3302	NASDAQ	PRFT	Thu, Apr 11, 2013	10.98	11.12	10.98	11.01
3301	NASDAQ	PRFT	Wed, Apr 10, 2013	10.73	11.10	10.58	11.03
3300	NASDAQ	PRFT	Tue, Apr 9, 2013	10.85	10.91	10.65	10.67
3299	NASDAQ	PRFT	Mon, Apr 8, 2013	10.92	10.97	10.77	10.80
3298	NASDAQ	PRFT	Fri, Apr 5, 2013	10.86	11.09	10.84	10.84
3297	NASDAQ	PRFT	Thu, Apr 4, 2013	11.00	11.14	10.97	11.06
3296	NASDAQ	PRFT	Wed, Apr 3, 2013	11.40	11.40	10.93	10.95
3295	NASDAQ	PRFT	Tue, Apr 2, 2013	11.39	11.55	11.29	11.36
3294	NASDAQ	PRFT	Mon, Apr 1, 2013	11.68	11.68	11.20	11.29
3293	NASDAQ	PRFT	Thu, Mar 28, 2013	11.74	11.74	11.59	11.66
3292	NASDAQ	PRFT	Wed, Mar 27, 2013	11.79	11.88	11.71	11.74
3291	NASDAQ	PRFT	Tue, Mar 26, 2013	12.04	12.04	11.81	11.91
3290	NASDAQ	PRFT	Mon, Mar 25, 2013	11.92	12.05	11.86	11.94
3289	NASDAQ	PRFT	Fri, Mar 22, 2013	11.95	11.97	11.87	11.92
3288	NASDAQ	PRFT	Thu, Mar 21, 2013	11.81	12.00	11.77	11.91
3287	NASDAQ	PRFT	Wed, Mar 20, 2013	12.05	12.05	11.86	11.94
3286	NASDAQ	PRFT	Tue, Mar 19, 2013	11.80	12.00	11.80	11.96
3285	NASDAQ	PRFT	Mon, Mar 18, 2013	11.78	11.91	11.60	11.79
3284	NASDAQ	PRFT	Fri, Mar 15, 2013	11.95	11.99	11.70	11.94
3283	NASDAQ	PRFT	Thu, Mar 14, 2013	11.79	11.98	11.57	11.93
3282	NASDAQ	PRFT	Wed, Mar 13, 2013	12.07	12.07	11.78	11.78
3281	NASDAQ	PRFT	Tue, Mar 12, 2013	11.92	12.09	11.92	12.03
3280	NASDAQ	PRFT	Mon, Mar 11, 2013	12.15	12.19	11.35	11.98
3279	NASDAQ	PRFT	Fri, Mar 8, 2013	12.38	12.38	11.56	12.22
3278	NASDAQ	PRFT	Thu, Mar 7, 2013	11.80	12.37	11.80	12.32
3277	NASDAQ	PRFT	Wed, Mar 6, 2013	11.95	11.95	11.62	11.74
3276	NASDAQ	PRFT	Tue, Mar 5, 2013	11.72	11.97	11.55	11.95
3275	NASDAQ	PRFT	Mon, Mar 4, 2013	11.86	11.89	11.55	11.69
3274	NASDAQ	PRFT	Fri, Mar 1, 2013	11.46	11.98	11.41	11.92
3273	NASDAQ	PRFT	Thu, Feb 28, 2013	11.62	11.77	11.48	11.58
3272	NASDAQ	PRFT	Wed, Feb 27, 2013	11.59	11.83	11.39	11.64
3271	NASDAQ	PRFT	Tue, Feb 26, 2013	11.76	11.88	11.53	11.62
3270	NASDAQ	PRFT	Mon, Feb 25, 2013	12.24	12.24	11.62	11.67
3269	NASDAQ	PRFT	Fri, Feb 22, 2013	11.81	12.23	11.62	12.14
3268	NASDAQ	PRFT	Thu, Feb 21, 2013	12.06	12.11	11.65	11.72
3267	NASDAQ	PRFT	Wed, Feb 20, 2013	12.28	12.33	12.09	12.09
3266	NASDAQ	PRFT	Tue, Feb 19, 2013	11.96	12.30	11.94	12.28
3265	NASDAQ	PRFT	Fri, Feb 15, 2013	12.10	12.24	11.91	11.96
3264	NASDAQ	PRFT	Thu, Feb 14, 2013	11.70	12.07	11.70	12.04
3263	NASDAQ	PRFT	Wed, Feb 13, 2013	11.67	11.75	11.56	11.71
3262	NASDAQ	PRFT	Tue, Feb 12, 2013	11.75	11.77	11.60	11.69
3261	NASDAQ	PRFT	Mon, Feb 11, 2013	11.27	11.83	11.27	11.82
3260	NASDAQ	PRFT	Fri, Feb 8, 2013	11.31	11.36	11.14	11.24
3259	NASDAQ	PRFT	Thu, Feb 7, 2013	11.60	11.61	11.14	11.27
3258	NASDAQ	PRFT	Wed, Feb 6, 2013	11.43	11.58	11.37	11.57
3257	NASDAQ	PRFT	Tue, Feb 5, 2013	11.63	11.63	11.38	11.51
3256	NASDAQ	PRFT	Mon, Feb 4, 2013	11.94	11.98	11.56	11.59
3255	NASDAQ	PRFT	Fri, Feb 1, 2013	12.04	12.30	11.95	12.05
3254	NASDAQ	PRFT	Thu, Jan 31, 2013	11.91	12.18	11.91	11.96
3253	NASDAQ	PRFT	Wed, Jan 30, 2013	11.91	12.00	11.83	11.88
3252	NASDAQ	PRFT	Tue, Jan 29, 2013	11.81	11.97	11.71	11.96
3251	NASDAQ	PRFT	Mon, Jan 28, 2013	11.51	11.88	11.48	11.84
3250	NASDAQ	PRFT	Fri, Jan 25, 2013	11.63	11.63	11.45	11.53
3249	NASDAQ	PRFT	Thu, Jan 24, 2013	11.34	11.63	11.33	11.58
3248	NASDAQ	PRFT	Wed, Jan 23, 2013	11.31	11.40	11.21	11.30
3247	NASDAQ	PRFT	Tue, Jan 22, 2013	11.31	11.45	11.28	11.36
3246	NASDAQ	PRFT	Fri, Jan 18, 2013	11.45	11.46	11.24	11.34
3245	NASDAQ	PRFT	Thu, Jan 17, 2013	11.59	11.62	11.45	11.49
3244	NASDAQ	PRFT	Wed, Jan 16, 2013	11.62	11.63	11.44	11.58
3243	NASDAQ	PRFT	Tue, Jan 15, 2013	11.74	11.74	11.47	11.67
3242	NASDAQ	PRFT	Mon, Jan 14, 2013	11.95	12.05	11.75	11.79
3241	NASDAQ	PRFT	Fri, Jan 11, 2013	11.98	12.06	11.86	12.00
3240	NASDAQ	PRFT	Thu, Jan 10, 2013	11.80	12.02	11.65	11.95
3239	NASDAQ	PRFT	Wed, Jan 9, 2013	11.68	11.84	11.63	11.80
3238	NASDAQ	PRFT	Tue, Jan 8, 2013	11.63	11.77	11.46	11.68
3237	NASDAQ	PRFT	Mon, Jan 7, 2013	11.83	11.98	11.65	11.67
3236	NASDAQ	PRFT	Fri, Jan 4, 2013	12.05	12.05	11.86	11.92
3235	NASDAQ	PRFT	Thu, Jan 3, 2013	11.97	12.07	11.92	11.98
3234	NASDAQ	PRFT	Wed, Jan 2, 2013	12.00	12.12	11.75	11.94
3233	NASDAQ	PRFT	Mon, Dec 31, 2012	11.45	11.88	11.41	11.78
3232	NASDAQ	PRFT	Fri, Dec 28, 2012	11.37	11.66	11.37	11.47
3231	NASDAQ	PRFT	Thu, Dec 27, 2012	11.64	11.64	11.15	11.45
3230	NASDAQ	PRFT	Wed, Dec 26, 2012	11.64	11.71	11.40	11.60
3229	NASDAQ	PRFT	Mon, Dec 24, 2012	11.44	11.65	11.37	11.65
3228	NASDAQ	PRFT	Fri, Dec 21, 2012	11.40	11.41	11.10	11.38
3227	NASDAQ	PRFT	Thu, Dec 20, 2012	11.50	11.51	11.26	11.50
3226	NASDAQ	PRFT	Wed, Dec 19, 2012	11.43	11.52	11.40	11.49
3225	NASDAQ	PRFT	Tue, Dec 18, 2012	11.42	11.50	11.34	11.46
3224	NASDAQ	PRFT	Mon, Dec 17, 2012	11.36	11.41	11.15	11.39
3223	NASDAQ	PRFT	Fri, Dec 14, 2012	11.17	11.39	11.17	11.28
3222	NASDAQ	PRFT	Thu, Dec 13, 2012	11.20	11.33	11.11	11.19
3221	NASDAQ	PRFT	Wed, Dec 12, 2012	11.24	11.31	11.00	11.25
3220	NASDAQ	PRFT	Tue, Dec 11, 2012	11.00	11.51	10.82	11.19
3219	NASDAQ	PRFT	Mon, Dec 10, 2012	10.86	11.00	10.80	10.99
3218	NASDAQ	PRFT	Fri, Dec 7, 2012	10.97	10.99	10.73	10.86
3217	NASDAQ	PRFT	Thu, Dec 6, 2012	10.78	10.89	10.73	10.89
3216	NASDAQ	PRFT	Wed, Dec 5, 2012	10.89	10.89	10.73	10.81
3215	NASDAQ	PRFT	Tue, Dec 4, 2012	10.80	10.90	10.66	10.82
3214	NASDAQ	PRFT	Mon, Dec 3, 2012	10.95	10.99	10.72	10.80
3213	NASDAQ	PRFT	Fri, Nov 30, 2012	10.92	10.92	10.69	10.89
3212	NASDAQ	PRFT	Thu, Nov 29, 2012	10.61	10.89	10.50	10.87
3211	NASDAQ	PRFT	Wed, Nov 28, 2012	10.59	10.64	10.42	10.50
3210	NASDAQ	PRFT	Tue, Nov 27, 2012	10.75	10.78	10.60	10.61
3209	NASDAQ	PRFT	Mon, Nov 26, 2012	10.83	10.99	9.78	10.73
3208	NASDAQ	PRFT	Fri, Nov 23, 2012	10.82	10.99	10.78	10.82
3207	NASDAQ	PRFT	Wed, Nov 21, 2012	10.73	10.83	10.57	10.76
3206	NASDAQ	PRFT	Tue, Nov 20, 2012	10.79	10.80	10.45	10.74
3205	NASDAQ	PRFT	Mon, Nov 19, 2012	10.70	10.97	10.70	10.78
3204	NASDAQ	PRFT	Fri, Nov 16, 2012	10.47	10.71	10.41	10.63
3203	NASDAQ	PRFT	Thu, Nov 15, 2012	10.71	10.80	10.48	10.51
3202	NASDAQ	PRFT	Wed, Nov 14, 2012	10.91	11.07	10.57	10.68
3201	NASDAQ	PRFT	Tue, Nov 13, 2012	11.05	11.17	10.73	10.85
3200	NASDAQ	PRFT	Mon, Nov 12, 2012	10.93	11.19	10.81	11.14
3199	NASDAQ	PRFT	Fri, Nov 9, 2012	11.13	11.31	10.88	10.93
3198	NASDAQ	PRFT	Thu, Nov 8, 2012	11.05	11.58	10.92	11.13
3197	NASDAQ	PRFT	Wed, Nov 7, 2012	11.24	11.40	11.02	11.10
3196	NASDAQ	PRFT	Tue, Nov 6, 2012	11.38	11.65	11.38	11.41
3195	NASDAQ	PRFT	Mon, Nov 5, 2012	11.63	11.84	11.10	11.52
3194	NASDAQ	PRFT	Fri, Nov 2, 2012	12.06	12.17	11.65	11.71
3193	NASDAQ	PRFT	Thu, Nov 1, 2012	11.19	12.12	11.01	12.05
3192	NASDAQ	PRFT	Wed, Oct 31, 2012	10.82	11.38	10.82	11.37
3191	NASDAQ	PRFT	Fri, Oct 26, 2012	10.80	10.87	10.61	10.86
3190	NASDAQ	PRFT	Thu, Oct 25, 2012	10.73	10.86	10.53	10.77
3189	NASDAQ	PRFT	Wed, Oct 24, 2012	10.86	10.86	10.57	10.60
3188	NASDAQ	PRFT	Tue, Oct 23, 2012	10.83	10.91	10.63	10.78
3187	NASDAQ	PRFT	Mon, Oct 22, 2012	10.98	11.00	10.74	10.91
3186	NASDAQ	PRFT	Fri, Oct 19, 2012	11.88	11.93	10.81	10.97
3185	NASDAQ	PRFT	Thu, Oct 18, 2012	12.16	12.16	11.65	11.93
3184	NASDAQ	PRFT	Wed, Oct 17, 2012	12.05	12.25	11.95	12.16
3183	NASDAQ	PRFT	Tue, Oct 16, 2012	12.19	12.22	11.92	12.00
3182	NASDAQ	PRFT	Mon, Oct 15, 2012	11.71	12.12	11.71	12.08
3181	NASDAQ	PRFT	Fri, Oct 12, 2012	11.62	11.80	11.62	11.75
3180	NASDAQ	PRFT	Thu, Oct 11, 2012	11.76	11.87	11.52	11.65
3179	NASDAQ	PRFT	Wed, Oct 10, 2012	11.61	11.70	11.51	11.67
3178	NASDAQ	PRFT	Tue, Oct 9, 2012	11.78	11.87	11.52	11.58
3177	NASDAQ	PRFT	Mon, Oct 8, 2012	11.82	11.91	11.73	11.78
3176	NASDAQ	PRFT	Fri, Oct 5, 2012	11.85	12.24	11.80	11.87
3175	NASDAQ	PRFT	Thu, Oct 4, 2012	12.02	12.02	11.74	11.85
3174	NASDAQ	PRFT	Wed, Oct 3, 2012	12.38	12.38	11.91	11.98
3173	NASDAQ	PRFT	Tue, Oct 2, 2012	12.24	12.36	12.11	12.36
3172	NASDAQ	PRFT	Mon, Oct 1, 2012	12.15	12.24	11.98	12.20
3171	NASDAQ	PRFT	Fri, Sep 28, 2012	11.93	12.11	11.85	12.07
3170	NASDAQ	PRFT	Thu, Sep 27, 2012	11.91	12.06	11.83	12.03
3169	NASDAQ	PRFT	Wed, Sep 26, 2012	11.50	11.90	11.50	11.86
3168	NASDAQ	PRFT	Tue, Sep 25, 2012	11.60	11.70	11.30	11.50
3167	NASDAQ	PRFT	Mon, Sep 24, 2012	11.26	11.64	11.15	11.60
3166	NASDAQ	PRFT	Fri, Sep 21, 2012	11.51	11.55	11.19	11.32
3165	NASDAQ	PRFT	Thu, Sep 20, 2012	11.54	11.54	11.32	11.34
3164	NASDAQ	PRFT	Wed, Sep 19, 2012	11.57	11.64	11.49	11.54
3163	NASDAQ	PRFT	Tue, Sep 18, 2012	11.37	11.55	11.20	11.53
3162	NASDAQ	PRFT	Mon, Sep 17, 2012	11.40	11.45	11.29	11.41
3161	NASDAQ	PRFT	Fri, Sep 14, 2012	11.46	11.64	11.39	11.47
3160	NASDAQ	PRFT	Thu, Sep 13, 2012	11.25	11.51	11.22	11.40
3159	NASDAQ	PRFT	Wed, Sep 12, 2012	11.22	11.50	11.07	11.31
3158	NASDAQ	PRFT	Tue, Sep 11, 2012	11.09	11.22	11.05	11.21
3157	NASDAQ	PRFT	Mon, Sep 10, 2012	10.98	11.22	10.98	11.09
3156	NASDAQ	PRFT	Fri, Sep 7, 2012	11.00	11.07	10.89	11.02
3155	NASDAQ	PRFT	Thu, Sep 6, 2012	10.78	10.99	10.78	10.97
3154	NASDAQ	PRFT	Wed, Sep 5, 2012	10.54	10.75	9.79	10.69
3153	NASDAQ	PRFT	Tue, Sep 4, 2012	10.70	10.70	10.40	10.57
3152	NASDAQ	PRFT	Fri, Aug 31, 2012	10.96	10.96	10.60	10.71
3151	NASDAQ	PRFT	Thu, Aug 30, 2012	10.98	11.00	10.73	10.86
3150	NASDAQ	PRFT	Wed, Aug 29, 2012	10.75	11.04	10.70	11.00
3149	NASDAQ	PRFT	Tue, Aug 28, 2012	10.75	10.77	10.49	10.71
3148	NASDAQ	PRFT	Mon, Aug 27, 2012	10.83	10.87	10.62	10.77
3147	NASDAQ	PRFT	Fri, Aug 24, 2012	10.91	11.00	10.75	10.80
3146	NASDAQ	PRFT	Thu, Aug 23, 2012	10.91	11.01	10.83	10.93
3145	NASDAQ	PRFT	Wed, Aug 22, 2012	11.05	11.11	10.81	10.92
3144	NASDAQ	PRFT	Tue, Aug 21, 2012	11.13	11.30	11.05	11.08
3143	NASDAQ	PRFT	Mon, Aug 20, 2012	11.13	11.13	11.03	11.08
3142	NASDAQ	PRFT	Fri, Aug 17, 2012	11.15	11.21	11.01	11.17
3141	NASDAQ	PRFT	Thu, Aug 16, 2012	11.43	11.44	11.09	11.20
3140	NASDAQ	PRFT	Wed, Aug 15, 2012	11.31	11.50	11.31	11.42
3139	NASDAQ	PRFT	Tue, Aug 14, 2012	11.53	11.56	11.26	11.37
3138	NASDAQ	PRFT	Mon, Aug 13, 2012	11.56	11.75	11.29	11.45
3137	NASDAQ	PRFT	Fri, Aug 10, 2012	11.58	11.65	11.46	11.56
3136	NASDAQ	PRFT	Thu, Aug 9, 2012	11.76	11.76	11.55	11.59
3135	NASDAQ	PRFT	Wed, Aug 8, 2012	11.99	12.00	11.69	11.79
3134	NASDAQ	PRFT	Tue, Aug 7, 2012	12.29	12.40	12.03	12.08
3133	NASDAQ	PRFT	Mon, Aug 6, 2012	12.60	12.60	12.04	12.19
3132	NASDAQ	PRFT	Fri, Aug 3, 2012	12.55	12.74	12.30	12.63
3131	NASDAQ	PRFT	Thu, Aug 2, 2012	13.10	13.10	12.47	12.51
3130	NASDAQ	PRFT	Wed, Aug 1, 2012	13.33	13.33	12.65	12.65
3129	NASDAQ	PRFT	Tue, Jul 31, 2012	13.15	13.54	13.15	13.29
3128	NASDAQ	PRFT	Mon, Jul 30, 2012	13.00	13.30	12.97	13.14
3127	NASDAQ	PRFT	Fri, Jul 27, 2012	12.85	13.08	12.84	13.02
3126	NASDAQ	PRFT	Thu, Jul 26, 2012	12.70	12.94	12.61	12.85
3125	NASDAQ	PRFT	Wed, Jul 25, 2012	12.51	12.66	12.49	12.53
3124	NASDAQ	PRFT	Tue, Jul 24, 2012	12.23	12.53	12.06	12.38
3123	NASDAQ	PRFT	Mon, Jul 23, 2012	12.26	12.27	12.05	12.14
3122	NASDAQ	PRFT	Fri, Jul 20, 2012	12.36	12.53	12.32	12.48
3121	NASDAQ	PRFT	Thu, Jul 19, 2012	12.56	12.70	12.43	12.52
3120	NASDAQ	PRFT	Wed, Jul 18, 2012	12.23	12.57	12.15	12.56
3119	NASDAQ	PRFT	Tue, Jul 17, 2012	12.17	12.30	12.09	12.28
3118	NASDAQ	PRFT	Mon, Jul 16, 2012	12.04	12.15	12.03	12.12
3117	NASDAQ	PRFT	Fri, Jul 13, 2012	11.98	12.10	11.79	12.10
3116	NASDAQ	PRFT	Thu, Jul 12, 2012	11.87	12.00	11.44	11.98
3115	NASDAQ	PRFT	Wed, Jul 11, 2012	11.34	12.01	11.34	11.95
3114	NASDAQ	PRFT	Tue, Jul 10, 2012	11.10	11.39	11.00	11.34
3113	NASDAQ	PRFT	Mon, Jul 9, 2012	11.50	11.57	10.99	11.03
3112	NASDAQ	PRFT	Fri, Jul 6, 2012	11.65	11.82	11.46	11.60
3111	NASDAQ	PRFT	Thu, Jul 5, 2012	11.95	12.03	11.80	11.83
3110	NASDAQ	PRFT	Tue, Jul 3, 2012	11.69	11.98	11.59	11.98
3109	NASDAQ	PRFT	Mon, Jul 2, 2012	11.30	11.59	11.18	11.59
3108	NASDAQ	PRFT	Fri, Jun 29, 2012	11.09	11.27	11.09	11.23
3107	NASDAQ	PRFT	Thu, Jun 28, 2012	10.91	11.03	10.62	10.83
3106	NASDAQ	PRFT	Wed, Jun 27, 2012	10.99	11.24	10.97	11.04
3105	NASDAQ	PRFT	Tue, Jun 26, 2012	10.97	11.08	10.85	10.95
3104	NASDAQ	PRFT	Mon, Jun 25, 2012	10.98	11.10	10.88	10.96
3103	NASDAQ	PRFT	Fri, Jun 22, 2012	11.12	11.35	10.95	11.15
3102	NASDAQ	PRFT	Thu, Jun 21, 2012	11.21	11.30	10.85	11.03
3101	NASDAQ	PRFT	Wed, Jun 20, 2012	11.63	11.63	11.10	11.25
3100	NASDAQ	PRFT	Tue, Jun 19, 2012	11.42	11.80	11.42	11.60
3099	NASDAQ	PRFT	Mon, Jun 18, 2012	11.51	11.57	11.37	11.38
3098	NASDAQ	PRFT	Fri, Jun 15, 2012	11.40	11.68	11.38	11.66
3097	NASDAQ	PRFT	Thu, Jun 14, 2012	11.30	11.64	11.30	11.50
3096	NASDAQ	PRFT	Wed, Jun 13, 2012	11.39	11.57	11.20	11.32
3095	NASDAQ	PRFT	Tue, Jun 12, 2012	11.16	11.48	11.10	11.39
3094	NASDAQ	PRFT	Mon, Jun 11, 2012	11.22	11.28	11.07	11.12
3093	NASDAQ	PRFT	Fri, Jun 8, 2012	10.90	11.28	10.80	11.11
3092	NASDAQ	PRFT	Thu, Jun 7, 2012	11.38	11.39	10.83	10.89
3091	NASDAQ	PRFT	Wed, Jun 6, 2012	11.28	11.34	11.08	11.15
3090	NASDAQ	PRFT	Tue, Jun 5, 2012	11.37	11.47	11.06	11.15
3089	NASDAQ	PRFT	Mon, Jun 4, 2012	11.32	11.63	11.14	11.40
3088	NASDAQ	PRFT	Fri, Jun 1, 2012	11.00	11.33	10.95	11.29
3087	NASDAQ	PRFT	Thu, May 31, 2012	11.48	11.48	11.15	11.33
3086	NASDAQ	PRFT	Wed, May 30, 2012	11.52	11.55	11.23	11.50
3085	NASDAQ	PRFT	Tue, May 29, 2012	11.64	11.67	11.43	11.64
3084	NASDAQ	PRFT	Fri, May 25, 2012	11.47	11.70	11.42	11.57
3083	NASDAQ	PRFT	Thu, May 24, 2012	11.70	11.83	11.00	11.47
3082	NASDAQ	PRFT	Wed, May 23, 2012	11.41	11.71	11.08	11.66
3081	NASDAQ	PRFT	Tue, May 22, 2012	12.02	12.14	11.44	11.58
3080	NASDAQ	PRFT	Mon, May 21, 2012	12.06	12.16	11.83	12.12
3079	NASDAQ	PRFT	Fri, May 18, 2012	12.19	12.28	11.86	11.96
3078	NASDAQ	PRFT	Thu, May 17, 2012	12.38	12.40	12.19	12.19
3077	NASDAQ	PRFT	Wed, May 16, 2012	12.44	12.47	12.25	12.39
3076	NASDAQ	PRFT	Tue, May 15, 2012	11.90	12.43	11.90	12.39
3075	NASDAQ	PRFT	Mon, May 14, 2012	11.78	12.03	11.70	11.84
3074	NASDAQ	PRFT	Fri, May 11, 2012	11.93	12.20	11.85	11.98
3073	NASDAQ	PRFT	Thu, May 10, 2012	12.16	12.20	12.02	12.08
3072	NASDAQ	PRFT	Wed, May 9, 2012	11.95	12.12	11.75	12.01
3071	NASDAQ	PRFT	Tue, May 8, 2012	11.86	12.15	11.82	12.07
3070	NASDAQ	PRFT	Mon, May 7, 2012	11.77	12.05	11.75	12.01
3069	NASDAQ	PRFT	Fri, May 4, 2012	12.37	12.95	11.80	11.80
3068	NASDAQ	PRFT	Thu, May 3, 2012	12.50	12.69	12.31	12.49
3067	NASDAQ	PRFT	Wed, May 2, 2012	11.85	12.67	11.83	12.56
3066	NASDAQ	PRFT	Tue, May 1, 2012	11.99	12.20	11.98	12.00
3065	NASDAQ	PRFT	Mon, Apr 30, 2012	12.26	12.26	11.94	12.01
3064	NASDAQ	PRFT	Fri, Apr 27, 2012	12.30	12.48	12.16	12.34
3063	NASDAQ	PRFT	Thu, Apr 26, 2012	12.23	12.42	12.05	12.34
3062	NASDAQ	PRFT	Wed, Apr 25, 2012	12.38	12.48	12.12	12.25
3061	NASDAQ	PRFT	Tue, Apr 24, 2012	12.08	12.40	12.08	12.15
3060	NASDAQ	PRFT	Mon, Apr 23, 2012	11.90	12.19	11.90	12.10
3059	NASDAQ	PRFT	Fri, Apr 20, 2012	12.29	12.54	12.05	12.17
3058	NASDAQ	PRFT	Thu, Apr 19, 2012	11.85	12.11	11.85	12.05
3057	NASDAQ	PRFT	Wed, Apr 18, 2012	11.95	11.97	11.70	11.80
3056	NASDAQ	PRFT	Tue, Apr 17, 2012	12.04	12.23	11.98	12.07
3055	NASDAQ	PRFT	Mon, Apr 16, 2012	11.49	11.95	11.27	11.90
3054	NASDAQ	PRFT	Fri, Apr 13, 2012	11.67	11.67	11.34	11.44
3053	NASDAQ	PRFT	Thu, Apr 12, 2012	11.45	11.85	11.45	11.76
3052	NASDAQ	PRFT	Wed, Apr 11, 2012	11.35	11.49	11.23	11.44
3051	NASDAQ	PRFT	Tue, Apr 10, 2012	11.70	11.70	11.06	11.19
3050	NASDAQ	PRFT	Mon, Apr 9, 2012	11.71	11.97	11.68	11.70
3049	NASDAQ	PRFT	Thu, Apr 5, 2012	11.87	12.09	11.76	12.02
3048	NASDAQ	PRFT	Wed, Apr 4, 2012	11.92	12.01	11.86	11.96
3047	NASDAQ	PRFT	Tue, Apr 3, 2012	12.20	12.26	11.94	12.08
3046	NASDAQ	PRFT	Mon, Apr 2, 2012	11.91	12.22	11.81	12.20
3045	NASDAQ	PRFT	Fri, Mar 30, 2012	12.54	12.54	11.99	12.01
3044	NASDAQ	PRFT	Thu, Mar 29, 2012	12.00	12.50	12.00	12.40
3043	NASDAQ	PRFT	Wed, Mar 28, 2012	12.26	12.30	12.04	12.11
3042	NASDAQ	PRFT	Tue, Mar 27, 2012	12.70	12.70	12.25	12.27
3041	NASDAQ	PRFT	Mon, Mar 26, 2012	12.51	12.80	12.51	12.75
3040	NASDAQ	PRFT	Fri, Mar 23, 2012	12.20	12.37	11.95	12.35
3039	NASDAQ	PRFT	Thu, Mar 22, 2012	12.05	12.31	12.03	12.18
3038	NASDAQ	PRFT	Wed, Mar 21, 2012	12.35	12.43	12.26	12.27
3037	NASDAQ	PRFT	Tue, Mar 20, 2012	12.45	12.49	12.20	12.28
3036	NASDAQ	PRFT	Mon, Mar 19, 2012	12.21	12.74	12.03	12.55
3035	NASDAQ	PRFT	Fri, Mar 16, 2012	12.30	12.38	12.16	12.27
3034	NASDAQ	PRFT	Thu, Mar 15, 2012	12.26	12.31	12.12	12.25
3033	NASDAQ	PRFT	Wed, Mar 14, 2012	12.39	12.45	12.13	12.21
3032	NASDAQ	PRFT	Tue, Mar 13, 2012	12.38	12.47	12.17	12.45
3031	NASDAQ	PRFT	Mon, Mar 12, 2012	12.38	12.57	12.09	12.24
3030	NASDAQ	PRFT	Fri, Mar 9, 2012	12.34	12.80	12.24	12.40
3029	NASDAQ	PRFT	Thu, Mar 8, 2012	12.22	12.43	12.02	12.37
3028	NASDAQ	PRFT	Wed, Mar 7, 2012	11.63	12.19	11.63	12.14
3027	NASDAQ	PRFT	Tue, Mar 6, 2012	11.86	11.98	11.59	11.65
3026	NASDAQ	PRFT	Mon, Mar 5, 2012	11.84	12.04	11.84	12.04
3025	NASDAQ	PRFT	Fri, Mar 2, 2012	12.10	12.37	11.67	11.90
3024	NASDAQ	PRFT	Thu, Mar 1, 2012	12.19	12.43	11.89	12.05
3023	NASDAQ	PRFT	Wed, Feb 29, 2012	12.19	12.20	11.88	12.08
3022	NASDAQ	PRFT	Tue, Feb 28, 2012	12.06	12.18	11.91	12.13
3021	NASDAQ	PRFT	Mon, Feb 27, 2012	11.99	12.17	11.71	12.06
3020	NASDAQ	PRFT	Fri, Feb 24, 2012	12.14	12.22	11.97	12.16
3019	NASDAQ	PRFT	Thu, Feb 23, 2012	11.85	12.12	11.53	12.10
3018	NASDAQ	PRFT	Wed, Feb 22, 2012	12.24	12.27	11.80	11.80
3017	NASDAQ	PRFT	Tue, Feb 21, 2012	12.65	12.70	12.24	12.26
3016	NASDAQ	PRFT	Fri, Feb 17, 2012	12.60	12.74	12.42	12.65
3015	NASDAQ	PRFT	Thu, Feb 16, 2012	12.10	12.59	12.00	12.58
3014	NASDAQ	PRFT	Wed, Feb 15, 2012	12.37	12.38	12.04	12.13
3013	NASDAQ	PRFT	Tue, Feb 14, 2012	12.37	12.38	12.03	12.25
3012	NASDAQ	PRFT	Mon, Feb 13, 2012	11.96	12.48	11.91	12.41
3011	NASDAQ	PRFT	Fri, Feb 10, 2012	11.76	11.94	11.76	11.86
3010	NASDAQ	PRFT	Thu, Feb 9, 2012	12.09	12.09	11.84	11.92
3009	NASDAQ	PRFT	Wed, Feb 8, 2012	11.93	12.19	11.89	12.03
3008	NASDAQ	PRFT	Tue, Feb 7, 2012	12.00	12.00	11.86	11.88
3007	NASDAQ	PRFT	Mon, Feb 6, 2012	12.00	12.04	11.82	12.00
3006	NASDAQ	PRFT	Fri, Feb 3, 2012	11.99	12.31	11.71	12.15
3005	NASDAQ	PRFT	Thu, Feb 2, 2012	11.22	11.80	11.15	11.73
3004	NASDAQ	PRFT	Wed, Feb 1, 2012	11.21	11.37	11.06	11.24
3003	NASDAQ	PRFT	Tue, Jan 31, 2012	11.20	11.31	10.98	11.12
3002	NASDAQ	PRFT	Mon, Jan 30, 2012	11.11	11.28	11.05	11.12
3001	NASDAQ	PRFT	Fri, Jan 27, 2012	11.05	11.27	11.05	11.25
3000	NASDAQ	PRFT	Thu, Jan 26, 2012	11.05	11.20	10.86	11.10
2999	NASDAQ	PRFT	Wed, Jan 25, 2012	11.00	11.15	10.71	11.00
2998	NASDAQ	PRFT	Tue, Jan 24, 2012	10.95	11.24	10.86	11.02
2997	NASDAQ	PRFT	Mon, Jan 23, 2012	11.35	11.38	10.74	11.05
2996	NASDAQ	PRFT	Fri, Jan 20, 2012	11.49	11.65	11.15	11.37
2995	NASDAQ	PRFT	Thu, Jan 19, 2012	11.54	11.60	11.37	11.55
2994	NASDAQ	PRFT	Wed, Jan 18, 2012	11.04	11.51	10.97	11.51
2993	NASDAQ	PRFT	Tue, Jan 17, 2012	10.79	11.10	10.63	11.04
2992	NASDAQ	PRFT	Fri, Jan 13, 2012	10.63	10.78	10.56	10.71
2991	NASDAQ	PRFT	Thu, Jan 12, 2012	10.78	10.83	10.53	10.80
2990	NASDAQ	PRFT	Wed, Jan 11, 2012	10.58	10.77	10.50	10.77
2989	NASDAQ	PRFT	Tue, Jan 10, 2012	10.70	10.73	10.55	10.64
2988	NASDAQ	PRFT	Mon, Jan 9, 2012	10.59	10.73	10.39	10.52
2987	NASDAQ	PRFT	Fri, Jan 6, 2012	10.60	10.71	10.40	10.51
2986	NASDAQ	PRFT	Thu, Jan 5, 2012	10.36	10.73	10.29	10.60
2985	NASDAQ	PRFT	Wed, Jan 4, 2012	10.45	10.56	10.34	10.44
2984	NASDAQ	PRFT	Tue, Jan 3, 2012	10.28	10.62	10.24	10.52
2983	NASDAQ	PRFT	Fri, Dec 30, 2011	10.25	10.32	10.00	10.01
2982	NASDAQ	PRFT	Thu, Dec 29, 2011	10.05	10.25	10.04	10.22
2981	NASDAQ	PRFT	Wed, Dec 28, 2011	10.12	10.12	9.79	10.00
2980	NASDAQ	PRFT	Tue, Dec 27, 2011	9.82	10.28	9.73	10.17
2979	NASDAQ	PRFT	Fri, Dec 23, 2011	9.89	9.93	9.73	9.85
2978	NASDAQ	PRFT	Thu, Dec 22, 2011	9.61	9.98	9.49	9.87
2977	NASDAQ	PRFT	Wed, Dec 21, 2011	9.37	9.64	9.24	9.54
2976	NASDAQ	PRFT	Tue, Dec 20, 2011	8.91	9.51	8.88	9.46
2975	NASDAQ	PRFT	Mon, Dec 19, 2011	8.55	8.85	8.44	8.72
2974	NASDAQ	PRFT	Fri, Dec 16, 2011	8.22	8.55	8.22	8.44
2973	NASDAQ	PRFT	Thu, Dec 15, 2011	8.10	8.15	7.91	8.11
2972	NASDAQ	PRFT	Wed, Dec 14, 2011	7.80	8.07	7.72	7.98
2971	NASDAQ	PRFT	Tue, Dec 13, 2011	7.86	8.02	7.80	7.87
2970	NASDAQ	PRFT	Mon, Dec 12, 2011	7.67	7.87	7.53	7.78
2969	NASDAQ	PRFT	Fri, Dec 9, 2011	7.76	7.86	7.40	7.81
2968	NASDAQ	PRFT	Thu, Dec 8, 2011	8.19	8.19	7.68	7.76
2967	NASDAQ	PRFT	Wed, Dec 7, 2011	8.36	8.36	8.00	8.31
2966	NASDAQ	PRFT	Tue, Dec 6, 2011	8.43	8.51	8.28	8.42
2965	NASDAQ	PRFT	Mon, Dec 5, 2011	8.56	8.56	8.22	8.41
2964	NASDAQ	PRFT	Fri, Dec 2, 2011	8.59	8.61	8.38	8.39
2963	NASDAQ	PRFT	Thu, Dec 1, 2011	8.60	8.68	8.43	8.43
2962	NASDAQ	PRFT	Wed, Nov 30, 2011	8.63	8.69	8.38	8.60
2961	NASDAQ	PRFT	Tue, Nov 29, 2011	8.50	8.50	8.34	8.43
2960	NASDAQ	PRFT	Mon, Nov 28, 2011	8.51	8.60	8.40	8.50
2959	NASDAQ	PRFT	Fri, Nov 25, 2011	8.15	8.36	7.98	8.00
2958	NASDAQ	PRFT	Wed, Nov 23, 2011	8.52	8.53	8.17	8.21
2957	NASDAQ	PRFT	Tue, Nov 22, 2011	8.86	8.90	8.59	8.59
2956	NASDAQ	PRFT	Mon, Nov 21, 2011	8.96	9.13	8.82	8.87
2955	NASDAQ	PRFT	Fri, Nov 18, 2011	9.14	9.24	8.94	9.17
2954	NASDAQ	PRFT	Thu, Nov 17, 2011	9.50	9.66	9.03	9.12
2953	NASDAQ	PRFT	Wed, Nov 16, 2011	9.64	9.89	9.40	9.43
2952	NASDAQ	PRFT	Tue, Nov 15, 2011	9.45	9.90	9.34	9.78
2951	NASDAQ	PRFT	Mon, Nov 14, 2011	9.86	9.90	9.37	9.49
2950	NASDAQ	PRFT	Fri, Nov 11, 2011	9.80	9.98	9.70	9.93
2949	NASDAQ	PRFT	Thu, Nov 10, 2011	9.82	9.82	9.51	9.66
2948	NASDAQ	PRFT	Wed, Nov 9, 2011	9.75	9.99	9.51	9.65
2947	NASDAQ	PRFT	Tue, Nov 8, 2011	9.87	10.11	9.77	10.07
2946	NASDAQ	PRFT	Mon, Nov 7, 2011	9.95	10.01	9.48	9.83
2945	NASDAQ	PRFT	Fri, Nov 4, 2011	9.72	10.01	9.66	9.99
2944	NASDAQ	PRFT	Thu, Nov 3, 2011	9.24	9.99	9.21	9.89
2943	NASDAQ	PRFT	Wed, Nov 2, 2011	9.06	9.74	8.98	9.65
2942	NASDAQ	PRFT	Tue, Nov 1, 2011	9.16	9.34	8.83	8.90
2941	NASDAQ	PRFT	Mon, Oct 31, 2011	9.73	9.78	9.49	9.53
2940	NASDAQ	PRFT	Fri, Oct 28, 2011	9.93	10.03	9.36	9.94
2939	NASDAQ	PRFT	Thu, Oct 27, 2011	9.14	10.09	9.02	9.97
2938	NASDAQ	PRFT	Wed, Oct 26, 2011	8.74	8.90	8.32	8.83
2937	NASDAQ	PRFT	Tue, Oct 25, 2011	9.04	9.04	8.49	8.59
2936	NASDAQ	PRFT	Mon, Oct 24, 2011	8.70	9.24	8.60	9.14
2935	NASDAQ	PRFT	Fri, Oct 21, 2011	8.88	8.96	8.46	8.67
2934	NASDAQ	PRFT	Thu, Oct 20, 2011	8.88	8.92	8.45	8.70
2933	NASDAQ	PRFT	Wed, Oct 19, 2011	9.23	9.27	8.81	8.90
2932	NASDAQ	PRFT	Tue, Oct 18, 2011	9.09	9.40	8.79	9.30
2931	NASDAQ	PRFT	Mon, Oct 17, 2011	9.31	9.50	8.89	9.08
2930	NASDAQ	PRFT	Fri, Oct 14, 2011	9.13	9.46	9.08	9.42
2929	NASDAQ	PRFT	Thu, Oct 13, 2011	8.48	9.00	8.48	8.98
2928	NASDAQ	PRFT	Wed, Oct 12, 2011	8.09	8.67	8.09	8.55
2927	NASDAQ	PRFT	Tue, Oct 11, 2011	7.64	8.04	7.59	7.99
2926	NASDAQ	PRFT	Mon, Oct 10, 2011	7.35	7.73	7.35	7.70
2925	NASDAQ	PRFT	Fri, Oct 7, 2011	7.63	7.68	7.17	7.23
2924	NASDAQ	PRFT	Thu, Oct 6, 2011	7.28	7.61	7.24	7.61
2923	NASDAQ	PRFT	Wed, Oct 5, 2011	7.19	7.35	6.89	7.27
2922	NASDAQ	PRFT	Tue, Oct 4, 2011	6.54	7.22	6.41	7.18
2921	NASDAQ	PRFT	Mon, Oct 3, 2011	7.23	7.42	6.56	6.58
2920	NASDAQ	PRFT	Fri, Sep 30, 2011	7.27	7.57	7.25	7.32
2919	NASDAQ	PRFT	Thu, Sep 29, 2011	7.66	7.71	7.22	7.40
2918	NASDAQ	PRFT	Wed, Sep 28, 2011	7.88	7.90	7.46	7.47
2917	NASDAQ	PRFT	Tue, Sep 27, 2011	7.78	7.89	7.62	7.86
2916	NASDAQ	PRFT	Mon, Sep 26, 2011	7.38	7.67	7.20	7.55
2915	NASDAQ	PRFT	Fri, Sep 23, 2011	7.34	7.67	7.23	7.33
2914	NASDAQ	PRFT	Thu, Sep 22, 2011	7.41	7.72	7.21	7.35
2913	NASDAQ	PRFT	Wed, Sep 21, 2011	8.01	8.15	7.62	7.66
2912	NASDAQ	PRFT	Tue, Sep 20, 2011	8.00	8.02	7.95	8.00
2911	NASDAQ	PRFT	Mon, Sep 19, 2011	7.96	8.08	7.86	7.97
2910	NASDAQ	PRFT	Fri, Sep 16, 2011	8.10	8.15	8.02	8.10
2909	NASDAQ	PRFT	Thu, Sep 15, 2011	8.01	8.15	7.82	8.03
2908	NASDAQ	PRFT	Wed, Sep 14, 2011	7.75	8.01	7.58	7.91
2907	NASDAQ	PRFT	Tue, Sep 13, 2011	7.57	7.89	7.55	7.68
2906	NASDAQ	PRFT	Mon, Sep 12, 2011	7.50	7.81	7.30	7.50
2905	NASDAQ	PRFT	Fri, Sep 9, 2011	7.99	8.18	7.62	7.66
2904	NASDAQ	PRFT	Thu, Sep 8, 2011	8.39	8.47	8.00	8.05
2903	NASDAQ	PRFT	Wed, Sep 7, 2011	8.47	8.57	8.28	8.50
2902	NASDAQ	PRFT	Tue, Sep 6, 2011	8.06	8.35	7.92	8.30
2901	NASDAQ	PRFT	Fri, Sep 2, 2011	8.55	8.75	8.37	8.39
2900	NASDAQ	PRFT	Thu, Sep 1, 2011	8.83	8.98	8.65	8.78
2899	NASDAQ	PRFT	Wed, Aug 31, 2011	8.43	8.95	8.31	8.80
2898	NASDAQ	PRFT	Tue, Aug 30, 2011	8.58	8.63	8.32	8.37
2897	NASDAQ	PRFT	Mon, Aug 29, 2011	8.34	8.66	8.34	8.64
2896	NASDAQ	PRFT	Fri, Aug 26, 2011	8.12	8.44	7.96	8.25
2895	NASDAQ	PRFT	Thu, Aug 25, 2011	8.58	8.58	8.20	8.26
2894	NASDAQ	PRFT	Wed, Aug 24, 2011	8.62	8.79	8.34	8.50
2893	NASDAQ	PRFT	Tue, Aug 23, 2011	7.78	8.65	7.78	8.64
2892	NASDAQ	PRFT	Mon, Aug 22, 2011	7.87	7.96	7.64	7.73
2891	NASDAQ	PRFT	Fri, Aug 19, 2011	7.69	8.02	7.50	7.69
2890	NASDAQ	PRFT	Thu, Aug 18, 2011	8.01	8.18	7.72	7.82
2889	NASDAQ	PRFT	Wed, Aug 17, 2011	8.78	8.84	8.18	8.31
2888	NASDAQ	PRFT	Tue, Aug 16, 2011	8.46	8.85	8.25	8.72
2887	NASDAQ	PRFT	Mon, Aug 15, 2011	8.32	8.62	8.32	8.62
2886	NASDAQ	PRFT	Fri, Aug 12, 2011	8.16	8.30	8.00	8.20
2885	NASDAQ	PRFT	Thu, Aug 11, 2011	7.86	8.32	7.81	8.11
2884	NASDAQ	PRFT	Wed, Aug 10, 2011	7.98	8.30	7.83	7.84
2883	NASDAQ	PRFT	Tue, Aug 9, 2011	7.98	8.31	7.09	8.21
2882	NASDAQ	PRFT	Mon, Aug 8, 2011	9.01	9.08	7.67	7.76
2881	NASDAQ	PRFT	Fri, Aug 5, 2011	9.65	9.68	9.28	9.29
2880	NASDAQ	PRFT	Thu, Aug 4, 2011	9.24	9.87	9.24	9.59
2879	NASDAQ	PRFT	Wed, Aug 3, 2011	9.62	9.73	9.34	9.42
2878	NASDAQ	PRFT	Tue, Aug 2, 2011	9.91	10.01	9.56	9.57
2877	NASDAQ	PRFT	Mon, Aug 1, 2011	10.10	10.15	9.77	9.99
2876	NASDAQ	PRFT	Fri, Jul 29, 2011	10.07	10.11	9.74	10.01
2875	NASDAQ	PRFT	Thu, Jul 28, 2011	10.27	10.56	10.20	10.22
2874	NASDAQ	PRFT	Wed, Jul 27, 2011	10.82	10.82	10.21	10.25
2873	NASDAQ	PRFT	Tue, Jul 26, 2011	10.74	10.95	10.59	10.86
2872	NASDAQ	PRFT	Mon, Jul 25, 2011	10.36	10.83	10.34	10.74
2871	NASDAQ	PRFT	Fri, Jul 22, 2011	10.80	10.80	10.48	10.50
2870	NASDAQ	PRFT	Thu, Jul 21, 2011	10.78	10.94	10.58	10.81
2869	NASDAQ	PRFT	Wed, Jul 20, 2011	10.86	10.86	10.53	10.71
2868	NASDAQ	PRFT	Tue, Jul 19, 2011	10.72	10.88	10.59	10.86
2867	NASDAQ	PRFT	Mon, Jul 18, 2011	10.70	10.72	10.30	10.60
2866	NASDAQ	PRFT	Fri, Jul 15, 2011	10.53	10.90	10.53	10.77
2865	NASDAQ	PRFT	Thu, Jul 14, 2011	10.83	10.83	10.50	10.50
2864	NASDAQ	PRFT	Wed, Jul 13, 2011	10.74	11.10	10.68	10.83
2863	NASDAQ	PRFT	Tue, Jul 12, 2011	10.77	11.00	10.67	10.67
2862	NASDAQ	PRFT	Mon, Jul 11, 2011	10.71	10.89	10.52	10.81
2861	NASDAQ	PRFT	Fri, Jul 8, 2011	10.88	11.02	10.67	10.89
2860	NASDAQ	PRFT	Thu, Jul 7, 2011	11.21	11.32	10.82	11.07
2859	NASDAQ	PRFT	Wed, Jul 6, 2011	10.77	11.13	10.77	11.07
2858	NASDAQ	PRFT	Tue, Jul 5, 2011	10.61	10.86	10.61	10.81
2857	NASDAQ	PRFT	Fri, Jul 1, 2011	10.28	10.66	10.18	10.64
2856	NASDAQ	PRFT	Thu, Jun 30, 2011	10.02	10.34	9.96	10.26
2855	NASDAQ	PRFT	Wed, Jun 29, 2011	10.00	10.16	9.90	10.06
2854	NASDAQ	PRFT	Tue, Jun 28, 2011	9.53	9.92	9.50	9.92
2853	NASDAQ	PRFT	Mon, Jun 27, 2011	9.45	9.58	9.35	9.50
2852	NASDAQ	PRFT	Fri, Jun 24, 2011	9.77	9.87	9.37	9.46
2851	NASDAQ	PRFT	Thu, Jun 23, 2011	9.22	9.76	9.22	9.75
2850	NASDAQ	PRFT	Wed, Jun 22, 2011	9.43	9.60	9.35	9.36
2849	NASDAQ	PRFT	Tue, Jun 21, 2011	9.38	9.54	9.30	9.52
2848	NASDAQ	PRFT	Mon, Jun 20, 2011	9.67	9.73	9.25	9.34
2847	NASDAQ	PRFT	Fri, Jun 17, 2011	10.03	10.09	9.62	9.73
2846	NASDAQ	PRFT	Thu, Jun 16, 2011	10.00	10.00	9.71	9.96
2845	NASDAQ	PRFT	Wed, Jun 15, 2011	10.04	10.18	9.85	9.99
2844	NASDAQ	PRFT	Tue, Jun 14, 2011	10.12	10.41	9.90	10.18
2843	NASDAQ	PRFT	Mon, Jun 13, 2011	10.40	10.51	10.00	10.00
2842	NASDAQ	PRFT	Fri, Jun 10, 2011	10.45	10.62	10.28	10.34
2841	NASDAQ	PRFT	Thu, Jun 9, 2011	10.55	10.67	10.42	10.51
2840	NASDAQ	PRFT	Wed, Jun 8, 2011	10.27	10.58	10.27	10.48
2839	NASDAQ	PRFT	Tue, Jun 7, 2011	10.28	10.44	10.15	10.32
2838	NASDAQ	PRFT	Mon, Jun 6, 2011	10.66	10.78	10.15	10.17
2837	NASDAQ	PRFT	Fri, Jun 3, 2011	10.88	11.00	10.60	10.63
2836	NASDAQ	PRFT	Thu, Jun 2, 2011	11.04	11.16	10.91	11.11
2835	NASDAQ	PRFT	Wed, Jun 1, 2011	11.20	11.28	11.00	11.00
2834	NASDAQ	PRFT	Tue, May 31, 2011	10.76	11.25	10.72	11.15
2833	NASDAQ	PRFT	Fri, May 27, 2011	10.47	10.61	10.37	10.59
2832	NASDAQ	PRFT	Thu, May 26, 2011	10.29	10.50	10.29	10.39
2831	NASDAQ	PRFT	Wed, May 25, 2011	10.45	10.57	10.29	10.36
2830	NASDAQ	PRFT	Tue, May 24, 2011	10.64	11.02	10.44	10.46
2829	NASDAQ	PRFT	Mon, May 23, 2011	10.52	10.89	10.28	10.61
2828	NASDAQ	PRFT	Fri, May 20, 2011	10.78	10.80	10.56	10.76
2827	NASDAQ	PRFT	Thu, May 19, 2011	10.82	10.94	10.72	10.84
2826	NASDAQ	PRFT	Wed, May 18, 2011	10.75	10.91	10.50	10.69
2825	NASDAQ	PRFT	Tue, May 17, 2011	11.25	11.29	10.62	10.67
2824	NASDAQ	PRFT	Mon, May 16, 2011	11.47	11.73	11.35	11.35
2823	NASDAQ	PRFT	Fri, May 13, 2011	11.57	11.72	11.50	11.56
2822	NASDAQ	PRFT	Thu, May 12, 2011	11.07	11.60	10.99	11.56
2821	NASDAQ	PRFT	Wed, May 11, 2011	11.54	11.54	11.16	11.19
2820	NASDAQ	PRFT	Tue, May 10, 2011	11.54	11.71	11.50	11.57
2819	NASDAQ	PRFT	Mon, May 9, 2011	11.30	11.79	11.00	11.56
2818	NASDAQ	PRFT	Fri, May 6, 2011	11.76	11.77	11.34	11.34
2817	NASDAQ	PRFT	Thu, May 5, 2011	11.55	12.06	11.55	11.69
2816	NASDAQ	PRFT	Wed, May 4, 2011	11.85	12.02	11.56	11.85
2815	NASDAQ	PRFT	Tue, May 3, 2011	12.22	12.37	11.69	11.85
2814	NASDAQ	PRFT	Mon, May 2, 2011	12.51	12.55	12.18	12.25
2813	NASDAQ	PRFT	Fri, Apr 29, 2011	12.46	12.54	12.26	12.49
2812	NASDAQ	PRFT	Thu, Apr 28, 2011	12.41	12.45	12.20	12.43
2811	NASDAQ	PRFT	Wed, Apr 27, 2011	12.45	12.55	12.28	12.41
2810	NASDAQ	PRFT	Tue, Apr 26, 2011	12.53	12.76	12.41	12.42
2809	NASDAQ	PRFT	Mon, Apr 25, 2011	12.43	12.61	12.39	12.46
2808	NASDAQ	PRFT	Thu, Apr 21, 2011	12.28	12.49	12.05	12.47
2807	NASDAQ	PRFT	Wed, Apr 20, 2011	12.25	12.49	11.96	12.14
2806	NASDAQ	PRFT	Tue, Apr 19, 2011	11.84	12.16	11.72	12.06
2805	NASDAQ	PRFT	Mon, Apr 18, 2011	12.01	12.02	11.54	11.77
2804	NASDAQ	PRFT	Fri, Apr 15, 2011	12.10	12.22	11.93	12.21
2803	NASDAQ	PRFT	Thu, Apr 14, 2011	11.73	12.16	11.65	12.13
2802	NASDAQ	PRFT	Wed, Apr 13, 2011	11.91	11.95	11.39	11.92
2801	NASDAQ	PRFT	Tue, Apr 12, 2011	11.64	12.15	11.64	12.10
2800	NASDAQ	PRFT	Mon, Apr 11, 2011	11.83	11.92	11.63	11.79
2799	NASDAQ	PRFT	Fri, Apr 8, 2011	11.98	11.98	11.62	11.86
2798	NASDAQ	PRFT	Thu, Apr 7, 2011	12.09	12.18	11.86	11.92
2797	NASDAQ	PRFT	Wed, Apr 6, 2011	12.68	12.68	12.08	12.10
2796	NASDAQ	PRFT	Tue, Apr 5, 2011	12.52	12.68	12.42	12.57
2795	NASDAQ	PRFT	Mon, Apr 4, 2011	12.27	12.69	12.27	12.58
2794	NASDAQ	PRFT	Fri, Apr 1, 2011	12.16	12.50	12.09	12.19
2793	NASDAQ	PRFT	Thu, Mar 31, 2011	11.75	12.02	11.66	12.01
2792	NASDAQ	PRFT	Wed, Mar 30, 2011	11.39	11.77	11.19	11.76
2791	NASDAQ	PRFT	Tue, Mar 29, 2011	11.26	11.34	11.24	11.29
2790	NASDAQ	PRFT	Mon, Mar 28, 2011	11.16	11.34	11.16	11.30
2789	NASDAQ	PRFT	Fri, Mar 25, 2011	11.58	11.58	11.24	11.26
2788	NASDAQ	PRFT	Thu, Mar 24, 2011	11.49	11.67	11.31	11.48
2787	NASDAQ	PRFT	Wed, Mar 23, 2011	11.30	11.54	11.18	11.41
2786	NASDAQ	PRFT	Tue, Mar 22, 2011	11.44	11.49	11.27	11.36
2785	NASDAQ	PRFT	Mon, Mar 21, 2011	11.78	11.88	11.30	11.48
2784	NASDAQ	PRFT	Fri, Mar 18, 2011	11.18	11.72	10.98	11.71
2783	NASDAQ	PRFT	Thu, Mar 17, 2011	11.32	11.69	10.95	10.96
2782	NASDAQ	PRFT	Wed, Mar 16, 2011	11.56	11.68	11.03	11.04
2781	NASDAQ	PRFT	Tue, Mar 15, 2011	10.93	11.75	10.68	11.62
2780	NASDAQ	PRFT	Mon, Mar 14, 2011	11.56	11.81	11.30	11.39
2779	NASDAQ	PRFT	Fri, Mar 11, 2011	11.62	11.99	11.41	11.72
2778	NASDAQ	PRFT	Thu, Mar 10, 2011	11.77	11.86	11.53	11.66
2777	NASDAQ	PRFT	Wed, Mar 9, 2011	11.88	12.05	11.53	11.99
2776	NASDAQ	PRFT	Tue, Mar 8, 2011	11.71	12.06	11.71	11.89
2775	NASDAQ	PRFT	Mon, Mar 7, 2011	11.95	11.95	11.51	11.69
2774	NASDAQ	PRFT	Fri, Mar 4, 2011	12.06	12.09	11.73	11.94
2773	NASDAQ	PRFT	Thu, Mar 3, 2011	12.63	12.65	11.98	12.11
2772	NASDAQ	PRFT	Wed, Mar 2, 2011	12.00	12.27	11.90	12.23
2771	NASDAQ	PRFT	Tue, Mar 1, 2011	12.41	12.47	11.95	12.06
2770	NASDAQ	PRFT	Mon, Feb 28, 2011	12.54	12.54	11.97	12.43
2769	NASDAQ	PRFT	Fri, Feb 25, 2011	12.19	12.50	12.19	12.50
2768	NASDAQ	PRFT	Thu, Feb 24, 2011	11.85	12.16	11.64	12.14
2767	NASDAQ	PRFT	Wed, Feb 23, 2011	12.23	12.29	11.82	11.87
2766	NASDAQ	PRFT	Tue, Feb 22, 2011	12.36	12.64	12.02	12.24
2765	NASDAQ	PRFT	Fri, Feb 18, 2011	12.39	12.60	12.30	12.57
2764	NASDAQ	PRFT	Thu, Feb 17, 2011	12.30	12.37	12.15	12.32
2763	NASDAQ	PRFT	Wed, Feb 16, 2011	12.30	12.44	12.17	12.35
2762	NASDAQ	PRFT	Tue, Feb 15, 2011	12.45	12.49	12.20	12.20
2761	NASDAQ	PRFT	Mon, Feb 14, 2011	12.55	12.70	12.46	12.49
2760	NASDAQ	PRFT	Fri, Feb 11, 2011	12.72	12.80	12.41	12.52
2759	NASDAQ	PRFT	Thu, Feb 10, 2011	12.33	13.08	12.33	12.83
2758	NASDAQ	PRFT	Wed, Feb 9, 2011	12.25	12.44	12.20	12.42
2757	NASDAQ	PRFT	Tue, Feb 8, 2011	12.26	12.35	12.11	12.34
2756	NASDAQ	PRFT	Mon, Feb 7, 2011	12.17	12.43	12.11	12.28
2755	NASDAQ	PRFT	Fri, Feb 4, 2011	12.06	12.27	11.84	12.18
2754	NASDAQ	PRFT	Thu, Feb 3, 2011	12.06	12.31	11.90	12.09
2753	NASDAQ	PRFT	Wed, Feb 2, 2011	12.00	12.12	11.87	12.09
2752	NASDAQ	PRFT	Tue, Feb 1, 2011	11.79	12.18	11.63	12.09
2751	NASDAQ	PRFT	Mon, Jan 31, 2011	11.48	11.85	11.27	11.69
2750	NASDAQ	PRFT	Fri, Jan 28, 2011	12.09	12.09	11.35	11.45
2749	NASDAQ	PRFT	Thu, Jan 27, 2011	12.20	12.37	12.10	12.14
2748	NASDAQ	PRFT	Wed, Jan 26, 2011	11.83	12.27	11.71	12.16
2747	NASDAQ	PRFT	Tue, Jan 25, 2011	11.99	12.00	11.71	11.78
2746	NASDAQ	PRFT	Mon, Jan 24, 2011	12.13	12.34	12.01	12.02
2745	NASDAQ	PRFT	Fri, Jan 21, 2011	12.35	12.40	12.15	12.15
2744	NASDAQ	PRFT	Thu, Jan 20, 2011	12.47	12.64	12.25	12.25
2743	NASDAQ	PRFT	Wed, Jan 19, 2011	12.90	12.90	12.38	12.58
2742	NASDAQ	PRFT	Tue, Jan 18, 2011	12.90	12.99	12.58	12.90
2741	NASDAQ	PRFT	Fri, Jan 14, 2011	12.71	13.10	12.52	13.01
2740	NASDAQ	PRFT	Thu, Jan 13, 2011	12.86	12.95	12.59	12.69
2739	NASDAQ	PRFT	Wed, Jan 12, 2011	12.60	13.08	12.49	12.90
2738	NASDAQ	PRFT	Tue, Jan 11, 2011	12.50	12.65	12.32	12.44
2737	NASDAQ	PRFT	Mon, Jan 10, 2011	12.43	12.56	12.19	12.45
2736	NASDAQ	PRFT	Fri, Jan 7, 2011	12.68	12.81	12.14	12.51
2735	NASDAQ	PRFT	Thu, Jan 6, 2011	13.09	13.11	12.55	12.63
2734	NASDAQ	PRFT	Wed, Jan 5, 2011	12.31	13.16	12.31	13.11
2733	NASDAQ	PRFT	Tue, Jan 4, 2011	12.72	12.76	12.12	12.37
2732	NASDAQ	PRFT	Mon, Jan 3, 2011	12.61	12.85	12.52	12.71
2731	NASDAQ	PRFT	Fri, Dec 31, 2010	12.66	12.89	12.50	12.50
2730	NASDAQ	PRFT	Thu, Dec 30, 2010	12.80	12.81	12.60	12.66
2729	NASDAQ	PRFT	Wed, Dec 29, 2010	12.74	12.83	12.59	12.79
2728	NASDAQ	PRFT	Tue, Dec 28, 2010	12.77	12.83	12.60	12.75
2727	NASDAQ	PRFT	Mon, Dec 27, 2010	12.88	12.88	12.65	12.77
2726	NASDAQ	PRFT	Thu, Dec 23, 2010	12.98	13.11	12.80	12.87
2725	NASDAQ	PRFT	Wed, Dec 22, 2010	12.04	13.13	12.00	13.00
2724	NASDAQ	PRFT	Tue, Dec 21, 2010	11.75	11.99	11.69	11.98
2723	NASDAQ	PRFT	Mon, Dec 20, 2010	11.73	11.95	11.60	11.69
2722	NASDAQ	PRFT	Fri, Dec 17, 2010	11.83	11.95	11.59	11.72
2721	NASDAQ	PRFT	Thu, Dec 16, 2010	11.96	12.09	11.83	11.85
2720	NASDAQ	PRFT	Wed, Dec 15, 2010	11.93	12.09	11.86	11.96
2719	NASDAQ	PRFT	Tue, Dec 14, 2010	11.88	12.10	11.87	11.99
2718	NASDAQ	PRFT	Mon, Dec 13, 2010	11.88	12.09	11.55	11.88
2717	NASDAQ	PRFT	Fri, Dec 10, 2010	11.91	12.00	11.76	11.87
2716	NASDAQ	PRFT	Thu, Dec 9, 2010	11.79	11.98	11.70	11.95
2715	NASDAQ	PRFT	Wed, Dec 8, 2010	11.91	11.99	11.67	11.69
2714	NASDAQ	PRFT	Tue, Dec 7, 2010	11.84	11.99	11.66	11.92
2713	NASDAQ	PRFT	Mon, Dec 6, 2010	11.43	11.71	11.29	11.71
2712	NASDAQ	PRFT	Fri, Dec 3, 2010	11.43	11.57	11.39	11.47
2711	NASDAQ	PRFT	Thu, Dec 2, 2010	11.65	11.68	11.21	11.52
2710	NASDAQ	PRFT	Wed, Dec 1, 2010	11.48	11.84	11.48	11.67
2709	NASDAQ	PRFT	Tue, Nov 30, 2010	11.27	11.37	11.05	11.27
2708	NASDAQ	PRFT	Mon, Nov 29, 2010	11.49	11.58	11.19	11.56
2707	NASDAQ	PRFT	Fri, Nov 26, 2010	11.42	11.74	11.30	11.59
2706	NASDAQ	PRFT	Wed, Nov 24, 2010	11.18	11.64	11.02	11.50
2705	NASDAQ	PRFT	Tue, Nov 23, 2010	10.95	11.09	10.89	11.05
2704	NASDAQ	PRFT	Mon, Nov 22, 2010	10.96	11.21	10.95	11.12
2703	NASDAQ	PRFT	Fri, Nov 19, 2010	10.98	11.17	10.83	11.11
2702	NASDAQ	PRFT	Thu, Nov 18, 2010	10.77	11.12	10.72	10.98
2701	NASDAQ	PRFT	Wed, Nov 17, 2010	10.81	10.82	10.47	10.60
2700	NASDAQ	PRFT	Tue, Nov 16, 2010	10.96	10.97	10.71	10.79
2699	NASDAQ	PRFT	Mon, Nov 15, 2010	11.20	11.20	10.95	11.08
2698	NASDAQ	PRFT	Fri, Nov 12, 2010	11.25	11.41	11.09	11.13
2697	NASDAQ	PRFT	Thu, Nov 11, 2010	11.42	11.50	11.26	11.39
2696	NASDAQ	PRFT	Wed, Nov 10, 2010	11.34	11.65	11.03	11.61
2695	NASDAQ	PRFT	Tue, Nov 9, 2010	11.40	11.47	11.17	11.32
2694	NASDAQ	PRFT	Mon, Nov 8, 2010	11.38	11.47	11.12	11.45
2693	NASDAQ	PRFT	Fri, Nov 5, 2010	11.38	11.76	11.02	11.67
2692	NASDAQ	PRFT	Thu, Nov 4, 2010	10.76	11.43	10.76	11.40
2691	NASDAQ	PRFT	Wed, Nov 3, 2010	10.38	10.57	10.12	10.53
2690	NASDAQ	PRFT	Tue, Nov 2, 2010	10.22	10.47	10.10	10.42
2689	NASDAQ	PRFT	Mon, Nov 1, 2010	10.55	10.55	10.08	10.21
2688	NASDAQ	PRFT	Fri, Oct 29, 2010	10.56	10.71	10.43	10.58
2687	NASDAQ	PRFT	Thu, Oct 28, 2010	10.50	10.72	10.32	10.64
2686	NASDAQ	PRFT	Wed, Oct 27, 2010	10.31	10.48	10.22	10.43
2685	NASDAQ	PRFT	Tue, Oct 26, 2010	10.21	10.43	10.18	10.42
2684	NASDAQ	PRFT	Mon, Oct 25, 2010	10.02	10.44	10.02	10.33
2683	NASDAQ	PRFT	Fri, Oct 22, 2010	9.83	9.94	9.69	9.93
2682	NASDAQ	PRFT	Thu, Oct 21, 2010	10.01	10.13	9.65	9.84
2681	NASDAQ	PRFT	Wed, Oct 20, 2010	9.86	10.08	9.83	9.92
2680	NASDAQ	PRFT	Tue, Oct 19, 2010	10.30	10.35	9.67	9.77
2679	NASDAQ	PRFT	Mon, Oct 18, 2010	10.61	10.74	10.48	10.56
2678	NASDAQ	PRFT	Fri, Oct 15, 2010	10.27	10.65	10.07	10.53
2677	NASDAQ	PRFT	Thu, Oct 14, 2010	9.96	10.11	9.91	10.11
2676	NASDAQ	PRFT	Wed, Oct 13, 2010	9.95	10.07	9.85	10.00
2675	NASDAQ	PRFT	Tue, Oct 12, 2010	9.78	9.97	9.70	9.94
2674	NASDAQ	PRFT	Mon, Oct 11, 2010	9.91	9.97	9.83	9.85
2673	NASDAQ	PRFT	Fri, Oct 8, 2010	9.70	9.96	9.43	9.89
2672	NASDAQ	PRFT	Thu, Oct 7, 2010	9.76	9.82	9.62	9.67
2671	NASDAQ	PRFT	Wed, Oct 6, 2010	9.75	9.78	9.57	9.66
2670	NASDAQ	PRFT	Tue, Oct 5, 2010	9.31	9.85	9.17	9.77
2669	NASDAQ	PRFT	Mon, Oct 4, 2010	9.15	9.25	8.96	9.17
2668	NASDAQ	PRFT	Fri, Oct 1, 2010	9.28	9.28	8.97	9.20
2667	NASDAQ	PRFT	Thu, Sep 30, 2010	9.33	9.37	9.11	9.14
2666	NASDAQ	PRFT	Wed, Sep 29, 2010	9.04	9.33	8.87	9.24
2665	NASDAQ	PRFT	Tue, Sep 28, 2010	9.23	9.23	8.82	9.10
2664	NASDAQ	PRFT	Mon, Sep 27, 2010	9.55	9.55	9.10	9.18
2663	NASDAQ	PRFT	Fri, Sep 24, 2010	9.23	9.76	9.15	9.71
2662	NASDAQ	PRFT	Thu, Sep 23, 2010	8.96	9.27	8.95	9.08
2661	NASDAQ	PRFT	Wed, Sep 22, 2010	9.07	9.13	8.94	9.01
2660	NASDAQ	PRFT	Tue, Sep 21, 2010	9.02	9.29	8.88	9.15
2659	NASDAQ	PRFT	Mon, Sep 20, 2010	8.74	9.01	8.60	8.99
2658	NASDAQ	PRFT	Fri, Sep 17, 2010	8.92	9.02	8.65	8.71
2657	NASDAQ	PRFT	Thu, Sep 16, 2010	8.85	8.92	8.71	8.79
2656	NASDAQ	PRFT	Wed, Sep 15, 2010	8.57	8.92	8.57	8.88
2655	NASDAQ	PRFT	Tue, Sep 14, 2010	8.80	8.80	8.62	8.64
2654	NASDAQ	PRFT	Mon, Sep 13, 2010	8.72	8.83	8.61	8.81
2653	NASDAQ	PRFT	Fri, Sep 10, 2010	8.69	8.77	8.47	8.59
2652	NASDAQ	PRFT	Thu, Sep 9, 2010	8.81	8.83	8.46	8.57
2651	NASDAQ	PRFT	Wed, Sep 8, 2010	8.71	8.78	8.63	8.69
2650	NASDAQ	PRFT	Tue, Sep 7, 2010	9.17	9.17	8.61	8.66
2649	NASDAQ	PRFT	Fri, Sep 3, 2010	9.15	9.26	8.94	9.19
2648	NASDAQ	PRFT	Thu, Sep 2, 2010	9.06	9.09	8.93	9.00
2647	NASDAQ	PRFT	Wed, Sep 1, 2010	8.86	9.10	8.84	9.10
2646	NASDAQ	PRFT	Tue, Aug 31, 2010	8.43	8.93	8.43	8.68
2645	NASDAQ	PRFT	Mon, Aug 30, 2010	9.12	9.30	8.87	8.87
2644	NASDAQ	PRFT	Fri, Aug 27, 2010	8.87	9.20	8.70	9.18
2643	NASDAQ	PRFT	Thu, Aug 26, 2010	8.97	9.00	8.72	8.73
2642	NASDAQ	PRFT	Wed, Aug 25, 2010	8.57	8.96	8.44	8.94
2641	NASDAQ	PRFT	Tue, Aug 24, 2010	8.75	8.86	8.61	8.64
2640	NASDAQ	PRFT	Mon, Aug 23, 2010	9.06	9.15	8.88	8.92
2639	NASDAQ	PRFT	Fri, Aug 20, 2010	8.85	9.17	8.85	8.98
2638	NASDAQ	PRFT	Thu, Aug 19, 2010	8.93	9.12	8.74	8.90
2637	NASDAQ	PRFT	Wed, Aug 18, 2010	8.86	9.19	8.68	9.00
2636	NASDAQ	PRFT	Tue, Aug 17, 2010	8.53	8.88	8.30	8.85
2635	NASDAQ	PRFT	Mon, Aug 16, 2010	8.39	8.58	8.26	8.40
2634	NASDAQ	PRFT	Fri, Aug 13, 2010	8.68	8.69	8.41	8.48
2633	NASDAQ	PRFT	Thu, Aug 12, 2010	8.60	8.76	8.53	8.74
2632	NASDAQ	PRFT	Wed, Aug 11, 2010	8.82	9.07	8.74	8.80
2631	NASDAQ	PRFT	Tue, Aug 10, 2010	9.13	9.20	8.91	8.99
2630	NASDAQ	PRFT	Mon, Aug 9, 2010	9.12	9.34	9.06	9.29
2629	NASDAQ	PRFT	Fri, Aug 6, 2010	8.78	9.14	8.78	9.04
2628	NASDAQ	PRFT	Thu, Aug 5, 2010	8.48	8.93	8.48	8.90
2627	NASDAQ	PRFT	Wed, Aug 4, 2010	8.31	8.62	8.25	8.53
2626	NASDAQ	PRFT	Tue, Aug 3, 2010	8.56	8.66	8.28	8.30
2625	NASDAQ	PRFT	Mon, Aug 2, 2010	8.84	8.87	8.54	8.63
2624	NASDAQ	PRFT	Fri, Jul 30, 2010	8.24	8.72	8.16	8.65
2623	NASDAQ	PRFT	Thu, Jul 29, 2010	8.47	8.58	8.20	8.41
2622	NASDAQ	PRFT	Wed, Jul 28, 2010	8.48	8.65	8.30	8.40
2621	NASDAQ	PRFT	Tue, Jul 27, 2010	8.98	9.05	8.49	8.53
2620	NASDAQ	PRFT	Mon, Jul 26, 2010	8.71	8.90	8.60	8.86
2619	NASDAQ	PRFT	Fri, Jul 23, 2010	8.26	8.68	8.18	8.64
2618	NASDAQ	PRFT	Thu, Jul 22, 2010	8.40	8.43	8.27	8.28
2617	NASDAQ	PRFT	Wed, Jul 21, 2010	8.45	8.56	8.19	8.28
2616	NASDAQ	PRFT	Tue, Jul 20, 2010	8.37	8.45	8.25	8.39
2615	NASDAQ	PRFT	Mon, Jul 19, 2010	8.41	8.55	8.24	8.53
2614	NASDAQ	PRFT	Fri, Jul 16, 2010	8.86	8.86	8.30	8.35
2613	NASDAQ	PRFT	Thu, Jul 15, 2010	8.84	9.00	8.59	8.96
2612	NASDAQ	PRFT	Wed, Jul 14, 2010	8.65	8.96	8.64	8.87
2611	NASDAQ	PRFT	Tue, Jul 13, 2010	9.03	9.05	8.71	8.73
2610	NASDAQ	PRFT	Mon, Jul 12, 2010	8.91	9.22	8.80	8.88
2609	NASDAQ	PRFT	Fri, Jul 9, 2010	8.61	8.97	8.61	8.97
2608	NASDAQ	PRFT	Thu, Jul 8, 2010	8.48	8.69	8.44	8.64
2607	NASDAQ	PRFT	Wed, Jul 7, 2010	8.23	8.43	8.21	8.38
2606	NASDAQ	PRFT	Tue, Jul 6, 2010	8.71	8.96	8.18	8.21
2605	NASDAQ	PRFT	Fri, Jul 2, 2010	8.66	8.68	8.34	8.59
2604	NASDAQ	PRFT	Thu, Jul 1, 2010	8.88	9.00	8.33	8.56
2603	NASDAQ	PRFT	Wed, Jun 30, 2010	8.92	9.23	8.86	8.91
2602	NASDAQ	PRFT	Tue, Jun 29, 2010	9.44	9.51	8.87	8.96
2601	NASDAQ	PRFT	Mon, Jun 28, 2010	9.61	9.78	9.53	9.66
2600	NASDAQ	PRFT	Fri, Jun 25, 2010	9.54	9.80	9.51	9.71
2599	NASDAQ	PRFT	Thu, Jun 24, 2010	9.78	9.78	9.44	9.49
2598	NASDAQ	PRFT	Wed, Jun 23, 2010	9.87	10.09	9.85	9.88
2597	NASDAQ	PRFT	Tue, Jun 22, 2010	10.04	10.33	9.85	9.90
2596	NASDAQ	PRFT	Mon, Jun 21, 2010	10.76	10.79	9.97	10.02
2595	NASDAQ	PRFT	Fri, Jun 18, 2010	10.70	10.81	10.39	10.63
2594	NASDAQ	PRFT	Thu, Jun 17, 2010	10.92	10.92	10.48	10.63
2593	NASDAQ	PRFT	Wed, Jun 16, 2010	10.55	10.88	10.47	10.81
2592	NASDAQ	PRFT	Tue, Jun 15, 2010	10.21	10.58	10.04	10.52
2591	NASDAQ	PRFT	Mon, Jun 14, 2010	10.30	10.46	10.01	10.07
2590	NASDAQ	PRFT	Fri, Jun 11, 2010	9.63	10.24	9.42	10.21
2589	NASDAQ	PRFT	Thu, Jun 10, 2010	9.65	9.85	9.46	9.83
2588	NASDAQ	PRFT	Wed, Jun 9, 2010	9.95	10.16	9.43	9.49
2587	NASDAQ	PRFT	Tue, Jun 8, 2010	9.76	9.89	9.60	9.82
2586	NASDAQ	PRFT	Mon, Jun 7, 2010	10.18	10.32	9.71	9.73
2585	NASDAQ	PRFT	Fri, Jun 4, 2010	10.50	10.65	10.08	10.15
2584	NASDAQ	PRFT	Thu, Jun 3, 2010	10.66	10.87	10.59	10.83
2583	NASDAQ	PRFT	Wed, Jun 2, 2010	9.99	10.58	9.76	10.57
2582	NASDAQ	PRFT	Tue, Jun 1, 2010	10.57	10.70	9.95	9.96
2581	NASDAQ	PRFT	Fri, May 28, 2010	10.71	10.98	10.65	10.67
2580	NASDAQ	PRFT	Thu, May 27, 2010	10.55	10.75	10.40	10.73
2579	NASDAQ	PRFT	Wed, May 26, 2010	10.12	10.60	10.12	10.28
2578	NASDAQ	PRFT	Tue, May 25, 2010	9.71	10.12	9.51	10.07
2577	NASDAQ	PRFT	Mon, May 24, 2010	10.08	10.17	9.70	9.98
2576	NASDAQ	PRFT	Fri, May 21, 2010	10.15	10.47	10.07	10.08
2575	NASDAQ	PRFT	Thu, May 20, 2010	11.02	11.24	10.32	10.34
2574	NASDAQ	PRFT	Wed, May 19, 2010	11.53	11.74	11.27	11.51
2573	NASDAQ	PRFT	Tue, May 18, 2010	11.90	11.90	11.55	11.57
2572	NASDAQ	PRFT	Mon, May 17, 2010	11.84	12.06	11.41	11.75
2571	NASDAQ	PRFT	Fri, May 14, 2010	11.64	11.73	11.49	11.72
2570	NASDAQ	PRFT	Thu, May 13, 2010	11.56	11.82	11.44	11.72
2569	NASDAQ	PRFT	Wed, May 12, 2010	11.51	11.75	11.46	11.64
2568	NASDAQ	PRFT	Tue, May 11, 2010	11.53	11.84	11.49	11.51
2567	NASDAQ	PRFT	Mon, May 10, 2010	11.17	11.92	11.15	11.66
2566	NASDAQ	PRFT	Fri, May 7, 2010	11.16	11.30	10.50	10.80
2565	NASDAQ	PRFT	Thu, May 6, 2010	11.75	11.91	10.57	11.12
2564	NASDAQ	PRFT	Wed, May 5, 2010	12.09	12.19	11.78	11.83
2563	NASDAQ	PRFT	Tue, May 4, 2010	12.66	12.66	12.08	12.25
2562	NASDAQ	PRFT	Mon, May 3, 2010	12.50	12.92	12.29	12.89
2561	NASDAQ	PRFT	Fri, Apr 30, 2010	12.95	12.99	12.47	12.48
2560	NASDAQ	PRFT	Thu, Apr 29, 2010	12.48	12.99	12.44	12.99
2559	NASDAQ	PRFT	Wed, Apr 28, 2010	12.51	12.64	12.37	12.48
2558	NASDAQ	PRFT	Tue, Apr 27, 2010	12.58	12.88	12.30	12.46
2557	NASDAQ	PRFT	Mon, Apr 26, 2010	12.48	12.87	12.48	12.57
2556	NASDAQ	PRFT	Fri, Apr 23, 2010	12.29	12.50	12.29	12.46
2555	NASDAQ	PRFT	Thu, Apr 22, 2010	12.22	12.50	12.07	12.49
2554	NASDAQ	PRFT	Wed, Apr 21, 2010	12.06	12.35	11.75	12.35
2553	NASDAQ	PRFT	Tue, Apr 20, 2010	12.18	12.18	11.91	12.01
2552	NASDAQ	PRFT	Mon, Apr 19, 2010	11.87	12.06	11.62	11.98
2551	NASDAQ	PRFT	Fri, Apr 16, 2010	11.96	12.20	11.81	11.92
2550	NASDAQ	PRFT	Thu, Apr 15, 2010	11.95	12.00	11.87	12.00
2549	NASDAQ	PRFT	Wed, Apr 14, 2010	11.75	12.00	11.68	11.98
2548	NASDAQ	PRFT	Tue, Apr 13, 2010	11.67	11.82	11.56	11.64
2547	NASDAQ	PRFT	Mon, Apr 12, 2010	11.89	11.99	11.58	11.67
2546	NASDAQ	PRFT	Fri, Apr 9, 2010	11.75	11.87	11.44	11.85
2545	NASDAQ	PRFT	Thu, Apr 8, 2010	11.74	11.84	11.66	11.74
2544	NASDAQ	PRFT	Wed, Apr 7, 2010	11.67	11.92	11.60	11.75
2543	NASDAQ	PRFT	Tue, Apr 6, 2010	11.84	11.95	11.68	11.72
2542	NASDAQ	PRFT	Mon, Apr 5, 2010	11.54	11.91	11.42	11.89
2541	NASDAQ	PRFT	Thu, Apr 1, 2010	11.37	11.63	11.37	11.53
2540	NASDAQ	PRFT	Wed, Mar 31, 2010	11.09	11.65	11.05	11.27
2539	NASDAQ	PRFT	Tue, Mar 30, 2010	11.17	11.37	11.03	11.16
2538	NASDAQ	PRFT	Mon, Mar 29, 2010	11.16	11.45	11.12	11.17
2537	NASDAQ	PRFT	Fri, Mar 26, 2010	11.22	11.37	11.07	11.16
2536	NASDAQ	PRFT	Thu, Mar 25, 2010	11.59	11.75	11.19	11.20
2535	NASDAQ	PRFT	Wed, Mar 24, 2010	11.63	11.80	11.43	11.47
2534	NASDAQ	PRFT	Tue, Mar 23, 2010	11.39	11.75	11.10	11.72
2533	NASDAQ	PRFT	Mon, Mar 22, 2010	11.36	11.67	11.34	11.38
2532	NASDAQ	PRFT	Fri, Mar 19, 2010	11.75	11.86	11.30	11.43
2531	NASDAQ	PRFT	Thu, Mar 18, 2010	11.59	11.80	11.26	11.67
2530	NASDAQ	PRFT	Wed, Mar 17, 2010	11.28	11.60	11.22	11.57
2529	NASDAQ	PRFT	Tue, Mar 16, 2010	11.37	11.37	11.05	11.27
2528	NASDAQ	PRFT	Mon, Mar 15, 2010	11.55	11.55	11.19	11.36
2527	NASDAQ	PRFT	Fri, Mar 12, 2010	11.75	11.80	11.45	11.61
2526	NASDAQ	PRFT	Thu, Mar 11, 2010	11.66	11.90	11.63	11.76
2525	NASDAQ	PRFT	Wed, Mar 10, 2010	11.66	12.12	11.48	11.95
2524	NASDAQ	PRFT	Tue, Mar 9, 2010	11.90	12.19	11.68	11.70
2523	NASDAQ	PRFT	Mon, Mar 8, 2010	11.73	12.05	11.58	12.01
2522	NASDAQ	PRFT	Fri, Mar 5, 2010	11.25	11.72	11.17	11.69
2521	NASDAQ	PRFT	Thu, Mar 4, 2010	11.39	11.56	11.02	11.11
2520	NASDAQ	PRFT	Wed, Mar 3, 2010	11.57	11.69	11.37	11.37
2519	NASDAQ	PRFT	Tue, Mar 2, 2010	11.50	11.65	11.42	11.51
2518	NASDAQ	PRFT	Mon, Mar 1, 2010	11.19	11.54	11.00	11.50
2517	NASDAQ	PRFT	Fri, Feb 26, 2010	11.17	11.31	10.99	11.09
2516	NASDAQ	PRFT	Thu, Feb 25, 2010	10.88	11.36	10.75	11.13
2515	NASDAQ	PRFT	Wed, Feb 24, 2010	10.89	11.11	10.81	11.08
2514	NASDAQ	PRFT	Tue, Feb 23, 2010	10.83	10.91	10.57	10.91
2513	NASDAQ	PRFT	Mon, Feb 22, 2010	10.70	10.90	10.64	10.82
2512	NASDAQ	PRFT	Fri, Feb 19, 2010	10.44	10.71	10.31	10.69
2511	NASDAQ	PRFT	Thu, Feb 18, 2010	10.29	10.49	10.22	10.44
2510	NASDAQ	PRFT	Wed, Feb 17, 2010	10.49	10.49	10.22	10.27
2509	NASDAQ	PRFT	Tue, Feb 16, 2010	10.38	10.49	10.27	10.48
2508	NASDAQ	PRFT	Fri, Feb 12, 2010	10.12	10.33	10.07	10.33
2507	NASDAQ	PRFT	Thu, Feb 11, 2010	10.03	10.27	9.87	10.25
2506	NASDAQ	PRFT	Wed, Feb 10, 2010	9.95	10.05	9.75	10.04
2505	NASDAQ	PRFT	Tue, Feb 9, 2010	10.06	10.06	9.78	10.03
2504	NASDAQ	PRFT	Mon, Feb 8, 2010	10.04	10.04	9.81	9.96
2503	NASDAQ	PRFT	Fri, Feb 5, 2010	9.74	10.05	9.67	10.04
2502	NASDAQ	PRFT	Thu, Feb 4, 2010	9.80	9.94	9.61	9.74
2501	NASDAQ	PRFT	Wed, Feb 3, 2010	9.90	10.04	9.66	9.89
2500	NASDAQ	PRFT	Tue, Feb 2, 2010	9.86	10.04	9.50	9.98
2499	NASDAQ	PRFT	Mon, Feb 1, 2010	9.79	10.01	9.74	9.90
2498	NASDAQ	PRFT	Fri, Jan 29, 2010	10.03	10.05	9.71	9.75
2497	NASDAQ	PRFT	Thu, Jan 28, 2010	10.05	10.05	9.87	9.97
2496	NASDAQ	PRFT	Wed, Jan 27, 2010	9.72	10.06	9.70	10.01
2495	NASDAQ	PRFT	Tue, Jan 26, 2010	9.50	10.02	9.44	9.81
2494	NASDAQ	PRFT	Mon, Jan 25, 2010	9.51	9.63	9.24	9.57
2493	NASDAQ	PRFT	Fri, Jan 22, 2010	9.18	9.54	9.18	9.28
2492	NASDAQ	PRFT	Thu, Jan 21, 2010	9.26	9.32	9.02	9.18
2491	NASDAQ	PRFT	Wed, Jan 20, 2010	9.28	9.41	9.13	9.22
2490	NASDAQ	PRFT	Tue, Jan 19, 2010	9.14	9.42	9.14	9.39
2489	NASDAQ	PRFT	Fri, Jan 15, 2010	9.22	9.23	8.88	9.15
2488	NASDAQ	PRFT	Thu, Jan 14, 2010	9.30	9.34	9.16	9.18
2487	NASDAQ	PRFT	Wed, Jan 13, 2010	8.51	9.05	8.50	9.01
2486	NASDAQ	PRFT	Tue, Jan 12, 2010	8.53	8.60	8.46	8.50
2485	NASDAQ	PRFT	Mon, Jan 11, 2010	8.59	8.65	8.43	8.63
2484	NASDAQ	PRFT	Fri, Jan 8, 2010	8.48	8.70	8.41	8.56
2483	NASDAQ	PRFT	Thu, Jan 7, 2010	8.60	8.71	8.41	8.54
2482	NASDAQ	PRFT	Wed, Jan 6, 2010	8.60	8.75	8.48	8.58
2481	NASDAQ	PRFT	Tue, Jan 5, 2010	8.66	8.70	8.44	8.61
2480	NASDAQ	PRFT	Mon, Jan 4, 2010	8.54	8.70	8.29	8.70
2479	NASDAQ	PRFT	Thu, Dec 31, 2009	8.55	8.60	8.32	8.43
2478	NASDAQ	PRFT	Wed, Dec 30, 2009	8.32	8.58	8.24	8.58
2477	NASDAQ	PRFT	Tue, Dec 29, 2009	8.30	8.45	8.22	8.39
2476	NASDAQ	PRFT	Mon, Dec 28, 2009	8.46	8.46	8.25	8.30
2475	NASDAQ	PRFT	Thu, Dec 24, 2009	8.40	8.54	8.33	8.51
2474	NASDAQ	PRFT	Wed, Dec 23, 2009	8.47	8.49	8.31	8.34
2473	NASDAQ	PRFT	Tue, Dec 22, 2009	8.35	8.48	8.26	8.43
2472	NASDAQ	PRFT	Mon, Dec 21, 2009	8.15	8.49	8.00	8.35
2471	NASDAQ	PRFT	Fri, Dec 18, 2009	8.16	8.31	8.08	8.24
2470	NASDAQ	PRFT	Thu, Dec 17, 2009	8.10	8.19	7.95	8.14
2469	NASDAQ	PRFT	Wed, Dec 16, 2009	8.25	8.31	8.09	8.16
2468	NASDAQ	PRFT	Tue, Dec 15, 2009	8.39	8.39	8.16	8.17
2467	NASDAQ	PRFT	Mon, Dec 14, 2009	8.28	8.42	8.14	8.40
2466	NASDAQ	PRFT	Fri, Dec 11, 2009	8.09	8.28	8.07	8.20
2465	NASDAQ	PRFT	Thu, Dec 10, 2009	8.37	8.37	8.00	8.06
2464	NASDAQ	PRFT	Wed, Dec 9, 2009	8.29	8.44	8.24	8.35
2463	NASDAQ	PRFT	Tue, Dec 8, 2009	8.46	8.48	8.25	8.31
2462	NASDAQ	PRFT	Mon, Dec 7, 2009	8.45	8.59	8.38	8.56
2461	NASDAQ	PRFT	Fri, Dec 4, 2009	8.21	8.49	8.17	8.48
2460	NASDAQ	PRFT	Thu, Dec 3, 2009	8.44	8.44	8.11	8.12
2459	NASDAQ	PRFT	Wed, Dec 2, 2009	8.40	8.79	8.36	8.53
2458	NASDAQ	PRFT	Tue, Dec 1, 2009	8.50	8.71	8.21	8.41
2457	NASDAQ	PRFT	Mon, Nov 30, 2009	8.48	8.48	8.05	8.38
2456	NASDAQ	PRFT	Fri, Nov 27, 2009	8.50	8.67	8.47	8.47
2455	NASDAQ	PRFT	Wed, Nov 25, 2009	8.71	8.85	8.53	8.54
2454	NASDAQ	PRFT	Tue, Nov 24, 2009	8.98	8.98	8.64	8.70
2453	NASDAQ	PRFT	Mon, Nov 23, 2009	8.68	9.01	8.56	8.97
2452	NASDAQ	PRFT	Fri, Nov 20, 2009	8.30	8.59	8.29	8.56
2451	NASDAQ	PRFT	Thu, Nov 19, 2009	8.43	8.47	8.15	8.40
2450	NASDAQ	PRFT	Wed, Nov 18, 2009	8.47	8.56	8.36	8.54
2449	NASDAQ	PRFT	Tue, Nov 17, 2009	8.71	8.76	8.46	8.49
2448	NASDAQ	PRFT	Mon, Nov 16, 2009	8.24	8.78	8.10	8.73
2447	NASDAQ	PRFT	Fri, Nov 13, 2009	8.21	8.35	8.11	8.15
2446	NASDAQ	PRFT	Thu, Nov 12, 2009	8.67	8.74	8.11	8.15
2445	NASDAQ	PRFT	Wed, Nov 11, 2009	8.38	8.68	8.31	8.66
2444	NASDAQ	PRFT	Tue, Nov 10, 2009	8.33	8.43	8.14	8.26
2443	NASDAQ	PRFT	Mon, Nov 9, 2009	8.32	8.58	8.30	8.36
2442	NASDAQ	PRFT	Fri, Nov 6, 2009	8.30	8.63	8.16	8.33
2441	NASDAQ	PRFT	Thu, Nov 5, 2009	8.14	8.51	8.05	8.44
2440	NASDAQ	PRFT	Wed, Nov 4, 2009	8.10	8.25	7.97	8.01
2439	NASDAQ	PRFT	Tue, Nov 3, 2009	8.03	8.13	7.97	8.07
2438	NASDAQ	PRFT	Mon, Nov 2, 2009	8.18	8.33	7.94	8.08
2437	NASDAQ	PRFT	Fri, Oct 30, 2009	8.17	8.24	8.05	8.14
2436	NASDAQ	PRFT	Thu, Oct 29, 2009	8.05	8.38	8.04	8.27
2435	NASDAQ	PRFT	Wed, Oct 28, 2009	8.08	8.26	7.94	7.99
2434	NASDAQ	PRFT	Tue, Oct 27, 2009	8.46	8.47	8.06	8.17
2433	NASDAQ	PRFT	Mon, Oct 26, 2009	8.54	8.80	8.31	8.46
2432	NASDAQ	PRFT	Fri, Oct 23, 2009	8.64	8.89	8.50	8.51
2431	NASDAQ	PRFT	Thu, Oct 22, 2009	8.21	8.60	7.97	8.59
2430	NASDAQ	PRFT	Wed, Oct 21, 2009	8.20	8.68	8.19	8.22
2429	NASDAQ	PRFT	Tue, Oct 20, 2009	8.59	8.59	8.17	8.25
2428	NASDAQ	PRFT	Mon, Oct 19, 2009	8.72	8.84	8.49	8.61
2427	NASDAQ	PRFT	Fri, Oct 16, 2009	8.44	8.69	8.34	8.66
2426	NASDAQ	PRFT	Thu, Oct 15, 2009	9.00	9.15	8.46	8.55
2425	NASDAQ	PRFT	Wed, Oct 14, 2009	9.47	9.50	8.97	9.05
2424	NASDAQ	PRFT	Tue, Oct 13, 2009	8.55	9.32	8.44	9.30
2423	NASDAQ	PRFT	Mon, Oct 12, 2009	8.43	8.49	7.86	8.15
2422	NASDAQ	PRFT	Fri, Oct 9, 2009	8.28	8.45	8.21	8.45
2421	NASDAQ	PRFT	Thu, Oct 8, 2009	8.39	8.41	8.26	8.26
2420	NASDAQ	PRFT	Wed, Oct 7, 2009	8.10	8.40	8.10	8.33
2419	NASDAQ	PRFT	Tue, Oct 6, 2009	8.03	8.22	7.94	8.16
2418	NASDAQ	PRFT	Mon, Oct 5, 2009	7.88	8.18	7.81	7.99
2417	NASDAQ	PRFT	Fri, Oct 2, 2009	7.78	8.04	7.73	7.86
2416	NASDAQ	PRFT	Thu, Oct 1, 2009	8.19	8.33	7.88	7.92
2415	NASDAQ	PRFT	Wed, Sep 30, 2009	8.27	8.50	8.05	8.27
2414	NASDAQ	PRFT	Tue, Sep 29, 2009	8.17	8.48	8.03	8.29
2413	NASDAQ	PRFT	Mon, Sep 28, 2009	7.55	8.47	7.55	8.20
2412	NASDAQ	PRFT	Fri, Sep 25, 2009	8.04	8.42	8.01	8.19
2411	NASDAQ	PRFT	Thu, Sep 24, 2009	8.49	8.56	8.00	8.04
2410	NASDAQ	PRFT	Wed, Sep 23, 2009	8.47	8.64	8.41	8.47
2409	NASDAQ	PRFT	Tue, Sep 22, 2009	7.99	8.64	7.99	8.48
2408	NASDAQ	PRFT	Mon, Sep 21, 2009	7.95	8.02	7.81	7.98
2407	NASDAQ	PRFT	Fri, Sep 18, 2009	8.00	8.05	7.74	8.05
2406	NASDAQ	PRFT	Thu, Sep 17, 2009	7.99	8.00	7.83	8.00
2405	NASDAQ	PRFT	Wed, Sep 16, 2009	7.83	8.00	7.78	8.00
2404	NASDAQ	PRFT	Tue, Sep 15, 2009	7.76	7.93	7.75	7.93
2403	NASDAQ	PRFT	Mon, Sep 14, 2009	7.68	7.79	7.55	7.79
2402	NASDAQ	PRFT	Fri, Sep 11, 2009	7.79	7.91	7.68	7.77
2401	NASDAQ	PRFT	Thu, Sep 10, 2009	7.79	7.98	7.72	7.84
2400	NASDAQ	PRFT	Wed, Sep 9, 2009	7.50	8.00	7.50	7.79
2399	NASDAQ	PRFT	Tue, Sep 8, 2009	7.82	7.82	7.45	7.50
2398	NASDAQ	PRFT	Fri, Sep 4, 2009	7.54	7.85	7.54	7.76
2397	NASDAQ	PRFT	Thu, Sep 3, 2009	7.51	7.75	7.40	7.58
2396	NASDAQ	PRFT	Wed, Sep 2, 2009	7.50	7.67	7.45	7.47
2395	NASDAQ	PRFT	Tue, Sep 1, 2009	7.67	7.77	7.51	7.51
2394	NASDAQ	PRFT	Mon, Aug 31, 2009	7.72	7.84	7.66	7.76
2393	NASDAQ	PRFT	Fri, Aug 28, 2009	7.89	7.94	7.69	7.87
2392	NASDAQ	PRFT	Thu, Aug 27, 2009	7.81	7.96	7.65	7.85
2391	NASDAQ	PRFT	Wed, Aug 26, 2009	7.92	8.00	7.70	7.87
2390	NASDAQ	PRFT	Tue, Aug 25, 2009	7.97	8.01	7.87	7.97
2389	NASDAQ	PRFT	Mon, Aug 24, 2009	7.81	8.00	7.72	7.98
2388	NASDAQ	PRFT	Fri, Aug 21, 2009	7.67	7.85	7.47	7.81
2387	NASDAQ	PRFT	Thu, Aug 20, 2009	7.43	7.74	7.40	7.54
2386	NASDAQ	PRFT	Wed, Aug 19, 2009	7.30	7.52	7.30	7.44
2385	NASDAQ	PRFT	Tue, Aug 18, 2009	7.40	7.50	7.33	7.41
2384	NASDAQ	PRFT	Mon, Aug 17, 2009	7.25	7.42	7.25	7.39
2383	NASDAQ	PRFT	Fri, Aug 14, 2009	7.45	7.49	7.30	7.43
2382	NASDAQ	PRFT	Thu, Aug 13, 2009	7.56	7.61	7.40	7.49
2381	NASDAQ	PRFT	Wed, Aug 12, 2009	7.46	7.74	7.42	7.53
2380	NASDAQ	PRFT	Tue, Aug 11, 2009	7.49	7.60	7.46	7.47
2379	NASDAQ	PRFT	Mon, Aug 10, 2009	7.51	7.69	7.40	7.52
2378	NASDAQ	PRFT	Fri, Aug 7, 2009	7.49	7.75	7.44	7.63
2377	NASDAQ	PRFT	Thu, Aug 6, 2009	7.74	7.85	7.37	7.40
2376	NASDAQ	PRFT	Wed, Aug 5, 2009	7.38	7.71	7.35	7.62
2375	NASDAQ	PRFT	Tue, Aug 4, 2009	7.42	7.56	7.33	7.36
2374	NASDAQ	PRFT	Mon, Aug 3, 2009	7.32	7.54	7.22	7.46
2373	NASDAQ	PRFT	Fri, Jul 31, 2009	7.40	7.54	7.31	7.38
2372	NASDAQ	PRFT	Thu, Jul 30, 2009	7.35	7.50	7.26	7.46
2371	NASDAQ	PRFT	Wed, Jul 29, 2009	7.18	7.35	7.07	7.29
2370	NASDAQ	PRFT	Tue, Jul 28, 2009	7.00	7.29	6.85	7.27
2369	NASDAQ	PRFT	Mon, Jul 27, 2009	7.07	7.17	6.95	7.05
2368	NASDAQ	PRFT	Fri, Jul 24, 2009	7.13	7.19	6.95	7.10
2367	NASDAQ	PRFT	Thu, Jul 23, 2009	7.17	7.38	7.12	7.22
2366	NASDAQ	PRFT	Wed, Jul 22, 2009	7.18	7.35	7.18	7.20
2365	NASDAQ	PRFT	Tue, Jul 21, 2009	7.36	7.36	7.14	7.23
2364	NASDAQ	PRFT	Mon, Jul 20, 2009	7.24	7.30	7.08	7.29
2363	NASDAQ	PRFT	Fri, Jul 17, 2009	7.13	7.25	7.04	7.21
2362	NASDAQ	PRFT	Thu, Jul 16, 2009	6.84	7.12	6.75	7.11
2361	NASDAQ	PRFT	Wed, Jul 15, 2009	6.42	6.91	6.42	6.91
2360	NASDAQ	PRFT	Tue, Jul 14, 2009	6.37	6.52	6.37	6.42
2359	NASDAQ	PRFT	Mon, Jul 13, 2009	6.47	6.61	6.31	6.54
2358	NASDAQ	PRFT	Fri, Jul 10, 2009	6.34	6.52	6.31	6.47
2357	NASDAQ	PRFT	Thu, Jul 9, 2009	6.57	6.72	6.36	6.37
2356	NASDAQ	PRFT	Wed, Jul 8, 2009	6.56	6.64	6.45	6.47
2355	NASDAQ	PRFT	Tue, Jul 7, 2009	6.70	6.72	6.50	6.50
2354	NASDAQ	PRFT	Mon, Jul 6, 2009	6.74	6.84	6.60	6.68
2353	NASDAQ	PRFT	Thu, Jul 2, 2009	6.98	6.98	6.68	6.76
2352	NASDAQ	PRFT	Wed, Jul 1, 2009	7.08	7.21	6.95	7.15
2351	NASDAQ	PRFT	Tue, Jun 30, 2009	7.19	7.28	6.98	6.99
2350	NASDAQ	PRFT	Mon, Jun 29, 2009	6.86	7.28	6.72	7.17
2349	NASDAQ	PRFT	Fri, Jun 26, 2009	6.85	6.98	6.67	6.84
2348	NASDAQ	PRFT	Thu, Jun 25, 2009	6.63	7.00	6.56	6.97
2347	NASDAQ	PRFT	Wed, Jun 24, 2009	6.81	6.97	6.59	6.71
2346	NASDAQ	PRFT	Tue, Jun 23, 2009	6.73	6.90	6.66	6.77
2345	NASDAQ	PRFT	Mon, Jun 22, 2009	6.96	7.03	6.63	6.65
2344	NASDAQ	PRFT	Fri, Jun 19, 2009	7.09	7.30	6.94	7.04
2343	NASDAQ	PRFT	Thu, Jun 18, 2009	7.02	7.10	6.62	6.98
2342	NASDAQ	PRFT	Wed, Jun 17, 2009	7.00	7.16	6.87	7.05
2341	NASDAQ	PRFT	Tue, Jun 16, 2009	7.05	7.10	6.93	6.99
2340	NASDAQ	PRFT	Mon, Jun 15, 2009	6.97	7.08	6.88	6.93
2339	NASDAQ	PRFT	Fri, Jun 12, 2009	6.91	7.16	6.87	7.15
2338	NASDAQ	PRFT	Thu, Jun 11, 2009	6.94	7.16	6.94	6.97
2337	NASDAQ	PRFT	Wed, Jun 10, 2009	7.21	7.24	6.90	6.94
2336	NASDAQ	PRFT	Tue, Jun 9, 2009	7.27	7.36	7.09	7.18
2335	NASDAQ	PRFT	Mon, Jun 8, 2009	7.31	7.36	7.00	7.26
2334	NASDAQ	PRFT	Fri, Jun 5, 2009	7.20	7.38	7.13	7.30
2333	NASDAQ	PRFT	Thu, Jun 4, 2009	6.68	7.23	6.66	7.19
2332	NASDAQ	PRFT	Wed, Jun 3, 2009	6.81	6.83	6.44	6.61
2331	NASDAQ	PRFT	Tue, Jun 2, 2009	6.83	6.99	6.54	6.92
2330	NASDAQ	PRFT	Mon, Jun 1, 2009	6.48	6.94	6.30	6.85
2329	NASDAQ	PRFT	Fri, May 29, 2009	6.49	6.54	6.05	6.36
2328	NASDAQ	PRFT	Thu, May 28, 2009	6.62	6.70	6.24	6.48
2327	NASDAQ	PRFT	Wed, May 27, 2009	6.89	7.00	6.55	6.57
2326	NASDAQ	PRFT	Tue, May 26, 2009	6.50	7.00	6.50	6.92
2325	NASDAQ	PRFT	Fri, May 22, 2009	6.73	6.79	6.54	6.56
2324	NASDAQ	PRFT	Thu, May 21, 2009	6.64	6.86	6.61	6.70
2323	NASDAQ	PRFT	Wed, May 20, 2009	6.49	6.88	6.41	6.72
2322	NASDAQ	PRFT	Tue, May 19, 2009	6.39	6.63	6.39	6.41
2321	NASDAQ	PRFT	Mon, May 18, 2009	6.20	6.48	6.20	6.42
2320	NASDAQ	PRFT	Fri, May 15, 2009	6.29	6.35	6.00	6.12
2319	NASDAQ	PRFT	Thu, May 14, 2009	5.95	6.52	5.91	6.26
2318	NASDAQ	PRFT	Wed, May 13, 2009	6.61	6.61	5.89	5.90
2317	NASDAQ	PRFT	Tue, May 12, 2009	6.71	6.80	6.63	6.70
2316	NASDAQ	PRFT	Mon, May 11, 2009	6.72	6.75	6.51	6.68
2315	NASDAQ	PRFT	Fri, May 8, 2009	6.67	6.81	6.33	6.81
2314	NASDAQ	PRFT	Thu, May 7, 2009	6.65	6.84	6.24	6.58
2313	NASDAQ	PRFT	Wed, May 6, 2009	6.94	7.04	6.43	6.60
2312	NASDAQ	PRFT	Tue, May 5, 2009	7.09	7.23	6.90	6.96
2311	NASDAQ	PRFT	Mon, May 4, 2009	7.01	7.35	6.95	7.12
2310	NASDAQ	PRFT	Fri, May 1, 2009	6.97	7.01	6.75	6.94
2309	NASDAQ	PRFT	Thu, Apr 30, 2009	7.13	7.44	6.95	6.97
2308	NASDAQ	PRFT	Wed, Apr 29, 2009	6.99	7.25	6.78	7.08
2307	NASDAQ	PRFT	Tue, Apr 28, 2009	6.51	7.07	6.30	6.94
2306	NASDAQ	PRFT	Mon, Apr 27, 2009	6.27	6.62	6.27	6.57
2305	NASDAQ	PRFT	Fri, Apr 24, 2009	6.31	6.43	6.23	6.35
2304	NASDAQ	PRFT	Thu, Apr 23, 2009	6.14	6.34	6.08	6.25
2303	NASDAQ	PRFT	Wed, Apr 22, 2009	6.06	6.30	5.91	6.15
2302	NASDAQ	PRFT	Tue, Apr 21, 2009	5.75	6.15	5.74	6.13
2301	NASDAQ	PRFT	Mon, Apr 20, 2009	6.00	6.02	5.68	5.79
2300	NASDAQ	PRFT	Fri, Apr 17, 2009	6.17	6.21	6.04	6.20
2299	NASDAQ	PRFT	Thu, Apr 16, 2009	5.71	6.15	5.61	6.14
2298	NASDAQ	PRFT	Wed, Apr 15, 2009	5.59	5.70	5.50	5.63
2297	NASDAQ	PRFT	Tue, Apr 14, 2009	5.93	6.05	5.58	5.61
2296	NASDAQ	PRFT	Mon, Apr 13, 2009	6.02	6.07	5.82	6.04
2295	NASDAQ	PRFT	Thu, Apr 9, 2009	5.95	6.14	5.90	6.13
2294	NASDAQ	PRFT	Wed, Apr 8, 2009	5.62	5.80	5.56	5.75
2293	NASDAQ	PRFT	Tue, Apr 7, 2009	5.74	5.86	5.57	5.58
2292	NASDAQ	PRFT	Mon, Apr 6, 2009	5.83	5.95	5.72	5.86
2291	NASDAQ	PRFT	Fri, Apr 3, 2009	5.90	5.99	5.77	5.90
2290	NASDAQ	PRFT	Thu, Apr 2, 2009	5.72	6.07	5.61	5.90
2289	NASDAQ	PRFT	Wed, Apr 1, 2009	5.30	5.52	5.12	5.51
2288	NASDAQ	PRFT	Tue, Mar 31, 2009	5.39	5.71	5.34	5.40
2287	NASDAQ	PRFT	Mon, Mar 30, 2009	5.17	5.36	4.91	5.29
2286	NASDAQ	PRFT	Fri, Mar 27, 2009	5.15	5.61	5.15	5.36
2285	NASDAQ	PRFT	Thu, Mar 26, 2009	5.08	5.46	5.07	5.34
2284	NASDAQ	PRFT	Wed, Mar 25, 2009	5.06	5.22	4.81	5.08
2283	NASDAQ	PRFT	Tue, Mar 24, 2009	5.07	5.19	4.92	5.00
2282	NASDAQ	PRFT	Mon, Mar 23, 2009	5.05	5.20	4.86	5.18
2281	NASDAQ	PRFT	Fri, Mar 20, 2009	5.25	5.25	4.80	4.84
2280	NASDAQ	PRFT	Thu, Mar 19, 2009	4.92	5.23	4.79	5.23
2279	NASDAQ	PRFT	Wed, Mar 18, 2009	4.56	4.90	4.50	4.90
2278	NASDAQ	PRFT	Tue, Mar 17, 2009	4.17	4.60	4.08	4.56
2277	NASDAQ	PRFT	Mon, Mar 16, 2009	4.56	4.61	4.09	4.16
2276	NASDAQ	PRFT	Fri, Mar 13, 2009	4.53	4.60	4.34	4.54
2275	NASDAQ	PRFT	Thu, Mar 12, 2009	4.11	4.55	4.11	4.51
2274	NASDAQ	PRFT	Wed, Mar 11, 2009	4.37	4.49	4.12	4.12
2273	NASDAQ	PRFT	Tue, Mar 10, 2009	4.16	4.40	4.16	4.32
2272	NASDAQ	PRFT	Mon, Mar 9, 2009	3.75	4.07	3.75	4.04
2271	NASDAQ	PRFT	Fri, Mar 6, 2009	3.87	3.89	3.65	3.81
2270	NASDAQ	PRFT	Thu, Mar 5, 2009	3.46	3.59	3.42	3.49
2269	NASDAQ	PRFT	Wed, Mar 4, 2009	3.56	3.69	3.46	3.57
2268	NASDAQ	PRFT	Tue, Mar 3, 2009	3.56	3.67	3.43	3.49
2267	NASDAQ	PRFT	Mon, Mar 2, 2009	3.47	3.56	3.38	3.41
2266	NASDAQ	PRFT	Fri, Feb 27, 2009	3.48	3.81	3.48	3.52
2265	NASDAQ	PRFT	Thu, Feb 26, 2009	3.73	3.82	3.54	3.54
2264	NASDAQ	PRFT	Wed, Feb 25, 2009	3.80	3.80	3.50	3.70
2263	NASDAQ	PRFT	Tue, Feb 24, 2009	3.53	3.92	3.49	3.82
2262	NASDAQ	PRFT	Mon, Feb 23, 2009	3.69	3.96	3.23	3.48
2261	NASDAQ	PRFT	Fri, Feb 20, 2009	3.73	3.74	3.10	3.67
2260	NASDAQ	PRFT	Thu, Feb 19, 2009	3.82	4.04	3.77	3.82
2259	NASDAQ	PRFT	Wed, Feb 18, 2009	3.66	3.96	3.46	3.78
2258	NASDAQ	PRFT	Tue, Feb 17, 2009	3.87	3.92	3.58	3.58
2257	NASDAQ	PRFT	Fri, Feb 13, 2009	4.03	4.10	3.96	3.98
2256	NASDAQ	PRFT	Thu, Feb 12, 2009	4.03	4.12	3.90	4.01
2255	NASDAQ	PRFT	Wed, Feb 11, 2009	4.19	4.33	4.04	4.07
2254	NASDAQ	PRFT	Tue, Feb 10, 2009	4.47	4.60	4.15	4.15
2253	NASDAQ	PRFT	Mon, Feb 9, 2009	4.46	4.50	4.30	4.49
2252	NASDAQ	PRFT	Fri, Feb 6, 2009	4.34	4.59	4.32	4.50
2251	NASDAQ	PRFT	Thu, Feb 5, 2009	4.26	4.48	4.21	4.36
2250	NASDAQ	PRFT	Wed, Feb 4, 2009	4.60	4.75	4.21	4.30
2249	NASDAQ	PRFT	Tue, Feb 3, 2009	4.53	4.70	4.37	4.60
2248	NASDAQ	PRFT	Mon, Feb 2, 2009	3.88	4.51	3.82	4.51
2247	NASDAQ	PRFT	Fri, Jan 30, 2009	4.40	4.40	3.86	3.91
2246	NASDAQ	PRFT	Thu, Jan 29, 2009	4.72	4.72	4.33	4.33
2245	NASDAQ	PRFT	Wed, Jan 28, 2009	4.68	4.79	4.62	4.77
2244	NASDAQ	PRFT	Tue, Jan 27, 2009	4.35	4.76	4.23	4.58
2243	NASDAQ	PRFT	Mon, Jan 26, 2009	4.19	4.36	4.08	4.35
2242	NASDAQ	PRFT	Fri, Jan 23, 2009	4.02	4.28	4.02	4.19
2241	NASDAQ	PRFT	Thu, Jan 22, 2009	4.24	4.39	4.09	4.09
2240	NASDAQ	PRFT	Wed, Jan 21, 2009	4.10	4.41	4.03	4.36
2239	NASDAQ	PRFT	Tue, Jan 20, 2009	4.31	4.37	4.01	4.02
2238	NASDAQ	PRFT	Fri, Jan 16, 2009	4.45	4.45	4.06	4.37
2237	NASDAQ	PRFT	Thu, Jan 15, 2009	4.02	4.50	4.01	4.42
2236	NASDAQ	PRFT	Wed, Jan 14, 2009	4.52	4.69	4.00	4.00
2235	NASDAQ	PRFT	Tue, Jan 13, 2009	4.29	4.73	4.28	4.69
2234	NASDAQ	PRFT	Mon, Jan 12, 2009	4.57	4.62	4.26	4.33
2233	NASDAQ	PRFT	Fri, Jan 9, 2009	4.67	4.67	4.39	4.58
2232	NASDAQ	PRFT	Thu, Jan 8, 2009	4.34	4.69	4.31	4.68
2231	NASDAQ	PRFT	Wed, Jan 7, 2009	4.62	4.83	4.24	4.34
2230	NASDAQ	PRFT	Tue, Jan 6, 2009	4.87	5.05	4.52	4.75
2229	NASDAQ	PRFT	Mon, Jan 5, 2009	4.83	4.99	4.63	4.81
2228	NASDAQ	PRFT	Fri, Jan 2, 2009	4.79	4.91	4.56	4.81
2227	NASDAQ	PRFT	Wed, Dec 31, 2008	4.32	4.93	4.31	4.78
2226	NASDAQ	PRFT	Tue, Dec 30, 2008	4.44	4.54	4.18	4.29
2225	NASDAQ	PRFT	Mon, Dec 29, 2008	4.98	4.98	4.31	4.37
2224	NASDAQ	PRFT	Fri, Dec 26, 2008	4.93	5.14	4.85	4.98
2223	NASDAQ	PRFT	Wed, Dec 24, 2008	4.99	5.10	4.85	4.90
2222	NASDAQ	PRFT	Tue, Dec 23, 2008	4.66	5.00	4.66	5.00
2221	NASDAQ	PRFT	Mon, Dec 22, 2008	5.15	5.47	4.39	4.60
2220	NASDAQ	PRFT	Fri, Dec 19, 2008	4.90	5.47	4.61	5.41
2219	NASDAQ	PRFT	Thu, Dec 18, 2008	4.97	5.25	4.70	4.73
2218	NASDAQ	PRFT	Wed, Dec 17, 2008	4.76	5.05	4.52	4.90
2217	NASDAQ	PRFT	Tue, Dec 16, 2008	4.41	4.88	4.30	4.87
2216	NASDAQ	PRFT	Mon, Dec 15, 2008	4.88	4.90	4.25	4.38
2215	NASDAQ	PRFT	Fri, Dec 12, 2008	4.10	4.90	4.10	4.86
2214	NASDAQ	PRFT	Thu, Dec 11, 2008	4.47	4.70	4.10	4.15
2213	NASDAQ	PRFT	Wed, Dec 10, 2008	4.28	4.62	4.24	4.51
2212	NASDAQ	PRFT	Tue, Dec 9, 2008	4.51	4.80	4.13	4.17
2211	NASDAQ	PRFT	Mon, Dec 8, 2008	4.82	4.88	4.39	4.59
2210	NASDAQ	PRFT	Fri, Dec 5, 2008	4.04	4.88	4.02	4.77
2209	NASDAQ	PRFT	Thu, Dec 4, 2008	4.04	4.52	3.90	4.23
2208	NASDAQ	PRFT	Wed, Dec 3, 2008	3.81	4.36	3.80	4.10
2207	NASDAQ	PRFT	Tue, Dec 2, 2008	3.15	4.04	3.03	3.96
2206	NASDAQ	PRFT	Mon, Dec 1, 2008	2.99	3.17	2.95	3.06
2205	NASDAQ	PRFT	Fri, Nov 28, 2008	3.05	3.19	2.93	3.05
2204	NASDAQ	PRFT	Wed, Nov 26, 2008	2.78	3.16	2.78	3.09
2203	NASDAQ	PRFT	Tue, Nov 25, 2008	2.81	2.94	2.75	2.86
2202	NASDAQ	PRFT	Mon, Nov 24, 2008	2.79	2.88	2.60	2.77
2201	NASDAQ	PRFT	Fri, Nov 21, 2008	2.62	2.79	2.31	2.74
2200	NASDAQ	PRFT	Thu, Nov 20, 2008	2.64	3.00	2.56	2.57
2199	NASDAQ	PRFT	Wed, Nov 19, 2008	3.13	3.15	2.35	2.66
2198	NASDAQ	PRFT	Tue, Nov 18, 2008	3.39	3.49	3.07	3.17
2197	NASDAQ	PRFT	Mon, Nov 17, 2008	3.79	3.79	3.35	3.35
2196	NASDAQ	PRFT	Fri, Nov 14, 2008	4.11	4.42	3.80	3.82
2195	NASDAQ	PRFT	Thu, Nov 13, 2008	3.91	4.23	3.60	4.21
2194	NASDAQ	PRFT	Wed, Nov 12, 2008	4.08	4.48	3.91	3.91
2193	NASDAQ	PRFT	Tue, Nov 11, 2008	4.40	4.45	4.04	4.15
2192	NASDAQ	PRFT	Mon, Nov 10, 2008	4.54	4.74	4.16	4.44
2191	NASDAQ	PRFT	Fri, Nov 7, 2008	4.24	4.52	4.23	4.44
2190	NASDAQ	PRFT	Thu, Nov 6, 2008	4.00	4.66	3.90	4.19
2189	NASDAQ	PRFT	Wed, Nov 5, 2008	5.22	5.46	4.95	4.96
2188	NASDAQ	PRFT	Tue, Nov 4, 2008	5.60	5.85	5.22	5.31
2187	NASDAQ	PRFT	Mon, Nov 3, 2008	5.50	5.76	5.37	5.55
2186	NASDAQ	PRFT	Fri, Oct 31, 2008	4.80	5.50	4.80	5.49
2185	NASDAQ	PRFT	Thu, Oct 30, 2008	4.58	5.07	4.58	4.88
2184	NASDAQ	PRFT	Wed, Oct 29, 2008	4.34	4.60	4.02	4.46
2183	NASDAQ	PRFT	Tue, Oct 28, 2008	4.15	4.35	3.86	4.31
2182	NASDAQ	PRFT	Mon, Oct 27, 2008	4.21	4.29	4.04	4.05
2181	NASDAQ	PRFT	Fri, Oct 24, 2008	4.01	4.71	3.74	4.29
2180	NASDAQ	PRFT	Thu, Oct 23, 2008	4.78	4.84	4.28	4.40
2179	NASDAQ	PRFT	Wed, Oct 22, 2008	4.74	5.02	4.66	4.79
2178	NASDAQ	PRFT	Tue, Oct 21, 2008	4.91	5.23	4.75	4.76
2177	NASDAQ	PRFT	Mon, Oct 20, 2008	5.13	5.34	4.77	5.00
2176	NASDAQ	PRFT	Fri, Oct 17, 2008	5.35	5.56	4.85	5.05
2175	NASDAQ	PRFT	Thu, Oct 16, 2008	5.09	5.60	4.94	5.58
2174	NASDAQ	PRFT	Wed, Oct 15, 2008	5.75	5.92	5.03	5.03
2173	NASDAQ	PRFT	Tue, Oct 14, 2008	5.88	5.99	5.60	5.75
2172	NASDAQ	PRFT	Mon, Oct 13, 2008	5.59	6.00	5.56	5.56
2171	NASDAQ	PRFT	Fri, Oct 10, 2008	4.82	5.44	4.33	5.28
2170	NASDAQ	PRFT	Thu, Oct 9, 2008	5.58	5.82	5.05	5.05
2169	NASDAQ	PRFT	Wed, Oct 8, 2008	5.51	6.13	5.40	5.45
2168	NASDAQ	PRFT	Tue, Oct 7, 2008	5.90	6.09	5.69	5.76
2167	NASDAQ	PRFT	Mon, Oct 6, 2008	6.03	6.11	5.39	5.90
2166	NASDAQ	PRFT	Fri, Oct 3, 2008	6.66	6.80	6.15	6.18
2165	NASDAQ	PRFT	Thu, Oct 2, 2008	6.38	6.78	6.38	6.58
2164	NASDAQ	PRFT	Wed, Oct 1, 2008	6.46	6.72	6.39	6.44
2163	NASDAQ	PRFT	Tue, Sep 30, 2008	6.56	6.82	6.46	6.64
2162	NASDAQ	PRFT	Mon, Sep 29, 2008	6.76	6.87	6.51	6.59
2161	NASDAQ	PRFT	Fri, Sep 26, 2008	6.80	7.00	6.79	6.90
2160	NASDAQ	PRFT	Thu, Sep 25, 2008	6.82	7.01	6.54	6.94
2159	NASDAQ	PRFT	Wed, Sep 24, 2008	6.88	6.97	6.77	6.79
2158	NASDAQ	PRFT	Tue, Sep 23, 2008	6.90	7.00	6.75	6.88
2157	NASDAQ	PRFT	Mon, Sep 22, 2008	7.17	7.23	6.89	6.90
2156	NASDAQ	PRFT	Fri, Sep 19, 2008	7.65	7.88	6.89	7.15
2155	NASDAQ	PRFT	Thu, Sep 18, 2008	6.58	7.56	6.43	7.42
2154	NASDAQ	PRFT	Wed, Sep 17, 2008	6.48	6.68	6.29	6.40
2153	NASDAQ	PRFT	Tue, Sep 16, 2008	6.19	6.59	6.04	6.56
2152	NASDAQ	PRFT	Mon, Sep 15, 2008	6.53	6.79	6.13	6.32
2151	NASDAQ	PRFT	Fri, Sep 12, 2008	6.65	6.82	6.60	6.75
2150	NASDAQ	PRFT	Thu, Sep 11, 2008	6.57	6.69	6.24	6.69
2149	NASDAQ	PRFT	Wed, Sep 10, 2008	7.18	7.20	6.68	6.68
2148	NASDAQ	PRFT	Tue, Sep 9, 2008	7.37	7.52	6.99	7.05
2147	NASDAQ	PRFT	Mon, Sep 8, 2008	7.69	7.89	7.22	7.43
2146	NASDAQ	PRFT	Fri, Sep 5, 2008	7.36	7.61	7.26	7.36
2145	NASDAQ	PRFT	Thu, Sep 4, 2008	7.73	7.75	7.25	7.41
2144	NASDAQ	PRFT	Wed, Sep 3, 2008	7.84	8.06	7.72	7.80
2143	NASDAQ	PRFT	Tue, Sep 2, 2008	8.12	8.23	7.82	7.88
2142	NASDAQ	PRFT	Fri, Aug 29, 2008	7.99	8.00	7.75	7.94
2141	NASDAQ	PRFT	Thu, Aug 28, 2008	7.78	8.09	7.71	8.02
2140	NASDAQ	PRFT	Wed, Aug 27, 2008	7.52	7.86	7.44	7.77
2139	NASDAQ	PRFT	Tue, Aug 26, 2008	7.82	8.02	7.46	7.50
2138	NASDAQ	PRFT	Mon, Aug 25, 2008	7.83	8.00	7.74	7.85
2137	NASDAQ	PRFT	Fri, Aug 22, 2008	7.53	7.98	7.53	7.86
2136	NASDAQ	PRFT	Thu, Aug 21, 2008	7.70	7.78	7.48	7.49
2135	NASDAQ	PRFT	Wed, Aug 20, 2008	7.64	7.95	7.64	7.79
2134	NASDAQ	PRFT	Tue, Aug 19, 2008	7.79	7.89	7.58	7.64
2133	NASDAQ	PRFT	Mon, Aug 18, 2008	7.99	8.04	7.79	7.90
2132	NASDAQ	PRFT	Fri, Aug 15, 2008	8.30	8.47	7.85	7.96
2131	NASDAQ	PRFT	Thu, Aug 14, 2008	7.88	8.28	7.65	8.22
2130	NASDAQ	PRFT	Wed, Aug 13, 2008	7.89	8.02	7.76	8.00
2129	NASDAQ	PRFT	Tue, Aug 12, 2008	7.67	8.06	7.52	7.88
2128	NASDAQ	PRFT	Mon, Aug 11, 2008	7.22	7.82	7.06	7.66
2127	NASDAQ	PRFT	Fri, Aug 8, 2008	7.36	7.43	7.02	7.36
2126	NASDAQ	PRFT	Thu, Aug 7, 2008	9.26	9.26	7.26	7.38
2125	NASDAQ	PRFT	Wed, Aug 6, 2008	10.17	10.29	9.96	10.24
2124	NASDAQ	PRFT	Tue, Aug 5, 2008	10.04	10.29	9.95	10.11
2123	NASDAQ	PRFT	Mon, Aug 4, 2008	10.02	10.09	9.82	9.91
2122	NASDAQ	PRFT	Fri, Aug 1, 2008	10.11	10.35	9.91	10.04
2121	NASDAQ	PRFT	Thu, Jul 31, 2008	10.39	10.68	10.00	10.07
2120	NASDAQ	PRFT	Wed, Jul 30, 2008	10.83	10.89	10.43	10.57
2119	NASDAQ	PRFT	Tue, Jul 29, 2008	10.53	10.77	10.32	10.76
2118	NASDAQ	PRFT	Mon, Jul 28, 2008	10.63	10.88	10.43	10.47
2117	NASDAQ	PRFT	Fri, Jul 25, 2008	10.43	10.83	10.39	10.68
2116	NASDAQ	PRFT	Thu, Jul 24, 2008	10.74	10.79	10.29	10.31
2115	NASDAQ	PRFT	Wed, Jul 23, 2008	10.72	10.88	10.42	10.67
2114	NASDAQ	PRFT	Tue, Jul 22, 2008	10.44	10.80	10.25	10.67
2113	NASDAQ	PRFT	Mon, Jul 21, 2008	10.42	10.68	10.12	10.54
2112	NASDAQ	PRFT	Fri, Jul 18, 2008	10.27	10.59	10.10	10.40
2111	NASDAQ	PRFT	Thu, Jul 17, 2008	9.41	10.51	9.40	10.35
2110	NASDAQ	PRFT	Wed, Jul 16, 2008	9.80	10.40	9.63	10.29
2109	NASDAQ	PRFT	Tue, Jul 15, 2008	9.39	9.99	9.11	9.77
2108	NASDAQ	PRFT	Mon, Jul 14, 2008	10.37	10.55	9.43	9.50
2107	NASDAQ	PRFT	Fri, Jul 11, 2008	10.65	10.78	10.21	10.28
2106	NASDAQ	PRFT	Thu, Jul 10, 2008	10.42	10.88	10.42	10.73
2105	NASDAQ	PRFT	Wed, Jul 9, 2008	10.67	10.87	10.40	10.44
2104	NASDAQ	PRFT	Tue, Jul 8, 2008	9.98	10.65	9.98	10.65
2103	NASDAQ	PRFT	Mon, Jul 7, 2008	10.51	10.63	9.82	9.94
2102	NASDAQ	PRFT	Thu, Jul 3, 2008	10.67	10.79	10.08	10.45
2101	NASDAQ	PRFT	Wed, Jul 2, 2008	10.60	10.94	10.35	10.58
2100	NASDAQ	PRFT	Tue, Jul 1, 2008	9.72	10.53	9.62	10.52
2099	NASDAQ	PRFT	Mon, Jun 30, 2008	10.32	10.37	9.62	9.66
2098	NASDAQ	PRFT	Fri, Jun 27, 2008	10.29	10.45	9.74	10.35
2097	NASDAQ	PRFT	Thu, Jun 26, 2008	10.23	10.41	10.07	10.27
2096	NASDAQ	PRFT	Wed, Jun 25, 2008	10.29	10.79	10.11	10.45
2095	NASDAQ	PRFT	Tue, Jun 24, 2008	10.80	10.85	10.21	10.29
2094	NASDAQ	PRFT	Mon, Jun 23, 2008	11.25	11.88	10.66	10.91
2093	NASDAQ	PRFT	Fri, Jun 20, 2008	11.54	11.80	11.38	11.75
2092	NASDAQ	PRFT	Thu, Jun 19, 2008	11.24	11.59	11.18	11.59
2091	NASDAQ	PRFT	Wed, Jun 18, 2008	11.30	11.44	11.07	11.25
2090	NASDAQ	PRFT	Tue, Jun 17, 2008	11.31	11.61	11.24	11.33
2089	NASDAQ	PRFT	Mon, Jun 16, 2008	11.02	11.35	11.02	11.30
2088	NASDAQ	PRFT	Fri, Jun 13, 2008	10.90	11.10	10.80	11.08
2087	NASDAQ	PRFT	Thu, Jun 12, 2008	10.88	11.14	10.66	10.76
2086	NASDAQ	PRFT	Wed, Jun 11, 2008	11.15	11.30	10.75	10.77
2085	NASDAQ	PRFT	Tue, Jun 10, 2008	10.95	11.31	10.73	11.21
2084	NASDAQ	PRFT	Mon, Jun 9, 2008	11.24	11.70	10.91	11.04
2083	NASDAQ	PRFT	Fri, Jun 6, 2008	11.74	11.74	11.24	11.24
2082	NASDAQ	PRFT	Thu, Jun 5, 2008	11.46	11.86	11.44	11.86
2081	NASDAQ	PRFT	Wed, Jun 4, 2008	11.30	11.91	11.18	11.45
2080	NASDAQ	PRFT	Tue, Jun 3, 2008	10.88	11.66	10.88	11.32
2079	NASDAQ	PRFT	Mon, Jun 2, 2008	10.61	10.96	10.49	10.87
2078	NASDAQ	PRFT	Fri, May 30, 2008	10.42	10.81	10.41	10.61
2077	NASDAQ	PRFT	Thu, May 29, 2008	9.93	10.46	9.82	10.42
2076	NASDAQ	PRFT	Wed, May 28, 2008	9.53	10.00	9.53	9.98
2075	NASDAQ	PRFT	Tue, May 27, 2008	9.18	9.60	9.06	9.59
2074	NASDAQ	PRFT	Fri, May 23, 2008	9.69	9.74	8.90	9.19
2073	NASDAQ	PRFT	Thu, May 22, 2008	9.76	9.90	9.68	9.79
2072	NASDAQ	PRFT	Wed, May 21, 2008	10.17	10.21	9.76	9.76
2071	NASDAQ	PRFT	Tue, May 20, 2008	10.00	10.31	10.00	10.14
2070	NASDAQ	PRFT	Mon, May 19, 2008	10.21	10.36	10.00	10.06
2069	NASDAQ	PRFT	Fri, May 16, 2008	10.54	10.59	10.02	10.21
2068	NASDAQ	PRFT	Thu, May 15, 2008	10.40	10.71	10.27	10.47
2067	NASDAQ	PRFT	Wed, May 14, 2008	10.77	10.85	10.36	10.42
2066	NASDAQ	PRFT	Tue, May 13, 2008	10.71	10.80	10.60	10.78
2065	NASDAQ	PRFT	Mon, May 12, 2008	10.44	10.74	10.26	10.71
2064	NASDAQ	PRFT	Fri, May 9, 2008	9.75	10.53	9.74	10.40
2063	NASDAQ	PRFT	Thu, May 8, 2008	10.01	10.22	9.81	10.15
2062	NASDAQ	PRFT	Wed, May 7, 2008	10.00	10.79	9.50	10.00
2061	NASDAQ	PRFT	Tue, May 6, 2008	9.32	9.37	9.15	9.35
2060	NASDAQ	PRFT	Mon, May 5, 2008	9.64	9.64	9.25	9.35
2059	NASDAQ	PRFT	Fri, May 2, 2008	9.58	9.75	9.52	9.62
2058	NASDAQ	PRFT	Thu, May 1, 2008	9.19	9.50	9.17	9.49
2057	NASDAQ	PRFT	Wed, Apr 30, 2008	9.34	9.49	9.13	9.18
2056	NASDAQ	PRFT	Tue, Apr 29, 2008	9.34	9.46	9.16	9.33
2055	NASDAQ	PRFT	Mon, Apr 28, 2008	9.50	9.57	9.30	9.32
2054	NASDAQ	PRFT	Fri, Apr 25, 2008	9.20	9.61	8.97	9.49
2053	NASDAQ	PRFT	Thu, Apr 24, 2008	8.96	9.28	8.80	9.18
2052	NASDAQ	PRFT	Wed, Apr 23, 2008	8.68	8.98	8.54	8.94
2051	NASDAQ	PRFT	Tue, Apr 22, 2008	9.01	9.05	8.56	8.66
2050	NASDAQ	PRFT	Mon, Apr 21, 2008	9.16	9.16	9.01	9.02
2049	NASDAQ	PRFT	Fri, Apr 18, 2008	8.92	9.39	8.84	9.12
2048	NASDAQ	PRFT	Thu, Apr 17, 2008	8.71	8.83	8.61	8.75
2047	NASDAQ	PRFT	Wed, Apr 16, 2008	8.41	8.74	8.41	8.70
2046	NASDAQ	PRFT	Tue, Apr 15, 2008	8.30	8.37	8.18	8.35
2045	NASDAQ	PRFT	Mon, Apr 14, 2008	8.06	8.33	7.99	8.28
2044	NASDAQ	PRFT	Fri, Apr 11, 2008	8.34	8.36	8.10	8.21
2043	NASDAQ	PRFT	Thu, Apr 10, 2008	8.24	8.58	8.13	8.46
2042	NASDAQ	PRFT	Wed, Apr 9, 2008	8.38	8.50	8.25	8.31
2041	NASDAQ	PRFT	Tue, Apr 8, 2008	7.97	8.44	7.84	8.37
2040	NASDAQ	PRFT	Mon, Apr 7, 2008	8.54	8.67	8.16	8.21
2039	NASDAQ	PRFT	Fri, Apr 4, 2008	8.56	8.70	8.40	8.54
2038	NASDAQ	PRFT	Thu, Apr 3, 2008	8.74	8.76	8.29	8.50
2037	NASDAQ	PRFT	Wed, Apr 2, 2008	8.24	8.92	8.16	8.76
2036	NASDAQ	PRFT	Tue, Apr 1, 2008	8.12	8.27	7.82	8.27
2035	NASDAQ	PRFT	Mon, Mar 31, 2008	7.86	8.23	7.86	7.94
2034	NASDAQ	PRFT	Fri, Mar 28, 2008	7.88	7.97	7.69	7.86
2033	NASDAQ	PRFT	Thu, Mar 27, 2008	7.55	8.30	7.55	7.98
2032	NASDAQ	PRFT	Wed, Mar 26, 2008	7.04	7.44	7.04	7.39
2031	NASDAQ	PRFT	Tue, Mar 25, 2008	7.07	7.23	6.99	7.00
2030	NASDAQ	PRFT	Mon, Mar 24, 2008	7.01	7.10	6.94	7.04
2029	NASDAQ	PRFT	Thu, Mar 20, 2008	7.01	7.10	6.81	7.00
2028	NASDAQ	PRFT	Wed, Mar 19, 2008	7.23	7.37	6.93	6.93
2027	NASDAQ	PRFT	Tue, Mar 18, 2008	7.00	7.19	6.80	7.16
2026	NASDAQ	PRFT	Mon, Mar 17, 2008	6.93	6.99	6.80	6.84
2025	NASDAQ	PRFT	Fri, Mar 14, 2008	7.39	7.49	6.96	7.15
2024	NASDAQ	PRFT	Thu, Mar 13, 2008	6.97	7.29	6.90	7.28
2023	NASDAQ	PRFT	Wed, Mar 12, 2008	7.27	7.29	6.92	7.04
2022	NASDAQ	PRFT	Tue, Mar 11, 2008	7.10	7.36	6.82	7.13
2021	NASDAQ	PRFT	Mon, Mar 10, 2008	7.33	7.38	6.86	6.86
2020	NASDAQ	PRFT	Fri, Mar 7, 2008	7.26	7.45	7.15	7.32
2019	NASDAQ	PRFT	Thu, Mar 6, 2008	7.58	7.60	7.04	7.29
2018	NASDAQ	PRFT	Wed, Mar 5, 2008	7.04	8.25	6.86	7.61
2017	NASDAQ	PRFT	Tue, Mar 4, 2008	8.79	9.18	6.43	7.17
2016	NASDAQ	PRFT	Mon, Mar 3, 2008	8.36	8.53	7.66	7.86
2015	NASDAQ	PRFT	Fri, Feb 29, 2008	8.70	8.76	8.32	8.45
2014	NASDAQ	PRFT	Thu, Feb 28, 2008	8.53	8.77	8.37	8.64
2013	NASDAQ	PRFT	Wed, Feb 27, 2008	9.08	9.16	8.42	8.44
2012	NASDAQ	PRFT	Tue, Feb 26, 2008	9.13	9.28	8.97	9.16
2011	NASDAQ	PRFT	Mon, Feb 25, 2008	9.47	9.59	9.10	9.17
2010	NASDAQ	PRFT	Fri, Feb 22, 2008	9.49	9.58	9.30	9.47
2009	NASDAQ	PRFT	Thu, Feb 21, 2008	9.98	10.11	9.48	9.50
2008	NASDAQ	PRFT	Wed, Feb 20, 2008	10.25	10.43	9.66	9.66
2007	NASDAQ	PRFT	Tue, Feb 19, 2008	10.46	10.62	10.28	10.31
2006	NASDAQ	PRFT	Fri, Feb 15, 2008	10.31	10.55	10.20	10.32
2005	NASDAQ	PRFT	Thu, Feb 14, 2008	10.57	10.74	10.35	10.37
2004	NASDAQ	PRFT	Wed, Feb 13, 2008	10.48	10.58	10.26	10.47
2003	NASDAQ	PRFT	Tue, Feb 12, 2008	10.50	10.78	10.24	10.36
2002	NASDAQ	PRFT	Mon, Feb 11, 2008	10.54	10.85	10.45	10.45
2001	NASDAQ	PRFT	Fri, Feb 8, 2008	11.74	11.74	10.18	10.47
2000	NASDAQ	PRFT	Thu, Feb 7, 2008	12.49	12.64	11.75	11.83
1999	NASDAQ	PRFT	Wed, Feb 6, 2008	13.34	13.34	12.49	12.56
1998	NASDAQ	PRFT	Tue, Feb 5, 2008	13.49	13.72	13.25	13.26
1997	NASDAQ	PRFT	Mon, Feb 4, 2008	13.85	13.95	13.40	13.74
1996	NASDAQ	PRFT	Fri, Feb 1, 2008	13.93	14.06	13.38	13.90
1995	NASDAQ	PRFT	Thu, Jan 31, 2008	13.50	13.91	13.46	13.89
1994	NASDAQ	PRFT	Wed, Jan 30, 2008	14.03	14.27	13.67	13.69
1993	NASDAQ	PRFT	Tue, Jan 29, 2008	14.68	14.84	14.07	14.12
1992	NASDAQ	PRFT	Mon, Jan 28, 2008	14.55	14.73	14.18	14.56
1991	NASDAQ	PRFT	Fri, Jan 25, 2008	14.59	14.80	14.16	14.51
1990	NASDAQ	PRFT	Thu, Jan 24, 2008	14.48	14.95	13.96	14.41
1989	NASDAQ	PRFT	Wed, Jan 23, 2008	13.85	14.49	13.33	14.33
1988	NASDAQ	PRFT	Tue, Jan 22, 2008	14.10	14.57	13.50	14.19
1987	NASDAQ	PRFT	Fri, Jan 18, 2008	14.96	15.47	14.50	14.72
1986	NASDAQ	PRFT	Thu, Jan 17, 2008	15.69	15.85	14.87	14.95
1985	NASDAQ	PRFT	Wed, Jan 16, 2008	15.68	16.14	15.10	15.69
1984	NASDAQ	PRFT	Tue, Jan 15, 2008	16.66	16.88	16.04	16.09
1983	NASDAQ	PRFT	Mon, Jan 14, 2008	16.24	17.08	16.16	16.88
1982	NASDAQ	PRFT	Fri, Jan 11, 2008	16.42	16.82	16.08	16.20
1981	NASDAQ	PRFT	Thu, Jan 10, 2008	16.73	16.95	16.22	16.58
1980	NASDAQ	PRFT	Wed, Jan 9, 2008	15.90	17.00	15.70	17.00
1979	NASDAQ	PRFT	Tue, Jan 8, 2008	14.82	15.58	14.69	14.85
1978	NASDAQ	PRFT	Mon, Jan 7, 2008	14.72	15.00	14.60	14.78
1977	NASDAQ	PRFT	Fri, Jan 4, 2008	14.98	15.07	14.55	14.65
1976	NASDAQ	PRFT	Thu, Jan 3, 2008	15.46	15.54	15.07	15.10
1975	NASDAQ	PRFT	Wed, Jan 2, 2008	15.68	15.86	15.31	15.45
1974	NASDAQ	PRFT	Mon, Dec 31, 2007	15.92	16.05	15.70	15.74
1973	NASDAQ	PRFT	Fri, Dec 28, 2007	16.23	16.47	16.00	16.03
1972	NASDAQ	PRFT	Thu, Dec 27, 2007	17.07	17.07	16.02	16.09
1971	NASDAQ	PRFT	Wed, Dec 26, 2007	16.72	17.35	16.70	17.15
1970	NASDAQ	PRFT	Mon, Dec 24, 2007	16.37	16.97	16.30	16.93
1969	NASDAQ	PRFT	Fri, Dec 21, 2007	16.85	16.97	16.35	16.75
1968	NASDAQ	PRFT	Thu, Dec 20, 2007	16.12	16.70	15.81	16.61
1967	NASDAQ	PRFT	Wed, Dec 19, 2007	15.69	16.25	15.44	16.00
1966	NASDAQ	PRFT	Tue, Dec 18, 2007	15.39	15.78	15.15	15.70
1965	NASDAQ	PRFT	Mon, Dec 17, 2007	15.86	15.91	15.22	15.24
1964	NASDAQ	PRFT	Fri, Dec 14, 2007	16.22	16.66	15.90	16.20
1963	NASDAQ	PRFT	Thu, Dec 13, 2007	16.37	16.45	15.94	16.40
1962	NASDAQ	PRFT	Wed, Dec 12, 2007	16.75	16.92	16.19	16.50
1961	NASDAQ	PRFT	Tue, Dec 11, 2007	16.51	17.25	16.18	16.18
1960	NASDAQ	PRFT	Mon, Dec 10, 2007	16.22	16.92	16.07	16.49
1959	NASDAQ	PRFT	Fri, Dec 7, 2007	15.42	15.66	14.65	15.60
1958	NASDAQ	PRFT	Thu, Dec 6, 2007	15.09	15.93	15.09	15.40
1957	NASDAQ	PRFT	Wed, Dec 5, 2007	15.98	15.98	14.73	15.09
1956	NASDAQ	PRFT	Tue, Dec 4, 2007	16.22	16.22	15.54	15.70
1955	NASDAQ	PRFT	Mon, Dec 3, 2007	16.84	16.95	16.31	16.31
1954	NASDAQ	PRFT	Fri, Nov 30, 2007	17.27	17.62	16.66	16.77
1953	NASDAQ	PRFT	Thu, Nov 29, 2007	17.42	17.71	16.86	16.96
1952	NASDAQ	PRFT	Wed, Nov 28, 2007	17.33	17.87	17.32	17.47
1951	NASDAQ	PRFT	Tue, Nov 27, 2007	16.71	17.47	16.71	17.21
1950	NASDAQ	PRFT	Mon, Nov 26, 2007	16.31	17.45	16.22	16.67
1949	NASDAQ	PRFT	Fri, Nov 23, 2007	15.67	16.45	15.67	16.26
1948	NASDAQ	PRFT	Wed, Nov 21, 2007	15.55	15.99	15.39	15.58
1947	NASDAQ	PRFT	Tue, Nov 20, 2007	16.31	16.49	15.07	15.76
1946	NASDAQ	PRFT	Mon, Nov 19, 2007	17.05	17.15	16.28	16.31
1945	NASDAQ	PRFT	Fri, Nov 16, 2007	17.23	18.00	16.99	17.24
1944	NASDAQ	PRFT	Thu, Nov 15, 2007	17.40	17.58	17.06	17.18
1943	NASDAQ	PRFT	Wed, Nov 14, 2007	17.90	18.04	17.40	17.55
1942	NASDAQ	PRFT	Tue, Nov 13, 2007	17.52	18.19	17.45	17.76
1941	NASDAQ	PRFT	Mon, Nov 12, 2007	17.91	18.30	17.30	17.39
1940	NASDAQ	PRFT	Fri, Nov 9, 2007	18.01	18.20	17.20	18.00
1939	NASDAQ	PRFT	Thu, Nov 8, 2007	17.97	18.80	17.30	18.24
1938	NASDAQ	PRFT	Wed, Nov 7, 2007	17.78	17.78	15.60	16.52
1937	NASDAQ	PRFT	Tue, Nov 6, 2007	18.21	18.21	17.66	17.88
1936	NASDAQ	PRFT	Mon, Nov 5, 2007	18.01	18.36	17.88	18.18
1935	NASDAQ	PRFT	Fri, Nov 2, 2007	18.15	18.33	17.81	18.26
1934	NASDAQ	PRFT	Thu, Nov 1, 2007	18.80	18.85	17.60	17.84
1933	NASDAQ	PRFT	Wed, Oct 31, 2007	18.58	19.00	18.40	18.85
1932	NASDAQ	PRFT	Tue, Oct 30, 2007	18.32	18.59	18.32	18.49
1931	NASDAQ	PRFT	Mon, Oct 29, 2007	18.28	18.40	18.12	18.38
1930	NASDAQ	PRFT	Fri, Oct 26, 2007	18.24	18.30	17.80	18.28
1929	NASDAQ	PRFT	Thu, Oct 25, 2007	18.29	18.58	17.77	18.00
1928	NASDAQ	PRFT	Wed, Oct 24, 2007	18.28	18.41	17.58	18.27
1927	NASDAQ	PRFT	Tue, Oct 23, 2007	17.60	18.55	17.35	18.50
1926	NASDAQ	PRFT	Mon, Oct 22, 2007	17.49	17.49	16.88	17.34
1925	NASDAQ	PRFT	Fri, Oct 19, 2007	18.27	18.50	17.62	17.62
1924	NASDAQ	PRFT	Thu, Oct 18, 2007	18.46	18.68	18.16	18.29
1923	NASDAQ	PRFT	Wed, Oct 17, 2007	18.66	19.36	18.17	18.50
1922	NASDAQ	PRFT	Tue, Oct 16, 2007	19.01	19.26	18.17	18.44
1921	NASDAQ	PRFT	Mon, Oct 15, 2007	19.20	19.80	19.01	19.13
1920	NASDAQ	PRFT	Fri, Oct 12, 2007	19.59	19.98	19.25	19.30
1919	NASDAQ	PRFT	Thu, Oct 11, 2007	20.20	20.37	19.03	19.61
1918	NASDAQ	PRFT	Wed, Oct 10, 2007	20.57	21.20	19.73	20.00
1917	NASDAQ	PRFT	Tue, Oct 9, 2007	24.23	24.46	20.55	20.69
1916	NASDAQ	PRFT	Mon, Oct 8, 2007	24.07	24.75	23.93	24.19
1915	NASDAQ	PRFT	Fri, Oct 5, 2007	23.70	24.40	23.70	24.04
1914	NASDAQ	PRFT	Thu, Oct 4, 2007	23.10	23.52	22.92	23.43
1913	NASDAQ	PRFT	Wed, Oct 3, 2007	22.65	23.18	22.50	22.98
1912	NASDAQ	PRFT	Tue, Oct 2, 2007	22.52	22.76	22.20	22.73
1911	NASDAQ	PRFT	Mon, Oct 1, 2007	21.86	22.73	21.77	22.59
1910	NASDAQ	PRFT	Fri, Sep 28, 2007	22.00	22.58	21.87	21.87
1909	NASDAQ	PRFT	Thu, Sep 27, 2007	22.64	22.75	22.02	22.09
1908	NASDAQ	PRFT	Wed, Sep 26, 2007	22.56	22.89	22.12	22.46
1907	NASDAQ	PRFT	Tue, Sep 25, 2007	22.84	22.91	22.13	22.34
1906	NASDAQ	PRFT	Mon, Sep 24, 2007	22.89	23.16	22.63	22.94
1905	NASDAQ	PRFT	Fri, Sep 21, 2007	24.60	24.90	22.40	22.94
1904	NASDAQ	PRFT	Thu, Sep 20, 2007	23.99	24.50	23.90	24.46
1903	NASDAQ	PRFT	Wed, Sep 19, 2007	24.23	24.57	24.16	24.39
1902	NASDAQ	PRFT	Tue, Sep 18, 2007	23.87	24.50	23.62	24.50
1901	NASDAQ	PRFT	Mon, Sep 17, 2007	23.73	24.15	23.22	23.79
1900	NASDAQ	PRFT	Fri, Sep 14, 2007	23.73	23.94	23.42	23.75
1899	NASDAQ	PRFT	Thu, Sep 13, 2007	23.67	24.20	23.31	23.82
1898	NASDAQ	PRFT	Wed, Sep 12, 2007	23.43	23.85	23.07	23.54
1897	NASDAQ	PRFT	Tue, Sep 11, 2007	22.50	23.49	22.49	23.45
1896	NASDAQ	PRFT	Mon, Sep 10, 2007	23.29	23.29	22.21	22.53
1895	NASDAQ	PRFT	Fri, Sep 7, 2007	23.61	23.61	22.88	23.10
1894	NASDAQ	PRFT	Thu, Sep 6, 2007	24.00	24.09	23.60	23.99
1893	NASDAQ	PRFT	Wed, Sep 5, 2007	23.50	24.14	23.27	23.90
1892	NASDAQ	PRFT	Tue, Sep 4, 2007	23.18	23.89	23.14	23.59
1891	NASDAQ	PRFT	Fri, Aug 31, 2007	23.47	23.50	22.74	23.32
1890	NASDAQ	PRFT	Thu, Aug 30, 2007	22.59	23.48	22.58	23.14
1889	NASDAQ	PRFT	Wed, Aug 29, 2007	22.64	22.97	22.27	22.85
1888	NASDAQ	PRFT	Tue, Aug 28, 2007	23.17	23.23	22.33	22.47
1887	NASDAQ	PRFT	Mon, Aug 27, 2007	23.04	23.69	22.95	23.28
1886	NASDAQ	PRFT	Fri, Aug 24, 2007	22.52	23.10	22.52	22.98
1885	NASDAQ	PRFT	Thu, Aug 23, 2007	22.87	23.34	22.37	22.42
1884	NASDAQ	PRFT	Wed, Aug 22, 2007	22.37	22.95	22.25	22.67
1883	NASDAQ	PRFT	Tue, Aug 21, 2007	22.56	22.63	21.99	22.11
1882	NASDAQ	PRFT	Mon, Aug 20, 2007	22.53	22.65	21.88	22.47
1881	NASDAQ	PRFT	Fri, Aug 17, 2007	23.39	23.59	22.09	22.46
1880	NASDAQ	PRFT	Thu, Aug 16, 2007	20.88	22.67	20.70	22.59
1879	NASDAQ	PRFT	Wed, Aug 15, 2007	21.94	22.14	21.02	21.09
1878	NASDAQ	PRFT	Tue, Aug 14, 2007	23.07	23.22	22.02	22.19
1877	NASDAQ	PRFT	Mon, Aug 13, 2007	23.62	23.68	22.13	23.07
1876	NASDAQ	PRFT	Fri, Aug 10, 2007	24.87	25.19	21.90	23.09
1875	NASDAQ	PRFT	Thu, Aug 9, 2007	22.40	24.89	21.50	24.61
1874	NASDAQ	PRFT	Wed, Aug 8, 2007	20.84	23.99	20.83	23.33
1873	NASDAQ	PRFT	Tue, Aug 7, 2007	19.20	20.85	19.00	20.82
1872	NASDAQ	PRFT	Mon, Aug 6, 2007	19.46	19.65	18.91	19.35
1871	NASDAQ	PRFT	Fri, Aug 3, 2007	20.35	20.35	19.44	19.51
1870	NASDAQ	PRFT	Thu, Aug 2, 2007	20.32	20.44	19.92	20.34
1869	NASDAQ	PRFT	Wed, Aug 1, 2007	19.82	20.29	19.64	20.13
1868	NASDAQ	PRFT	Tue, Jul 31, 2007	20.33	20.39	19.56	19.77
1867	NASDAQ	PRFT	Mon, Jul 30, 2007	19.69	20.17	19.00	20.04
1866	NASDAQ	PRFT	Fri, Jul 27, 2007	20.39	20.47	19.70	19.71
1865	NASDAQ	PRFT	Thu, Jul 26, 2007	21.30	21.54	20.43	20.50
1864	NASDAQ	PRFT	Wed, Jul 25, 2007	22.54	22.54	21.29	21.65
1863	NASDAQ	PRFT	Tue, Jul 24, 2007	22.40	22.76	22.35	22.53
1862	NASDAQ	PRFT	Mon, Jul 23, 2007	22.82	22.95	22.50	22.75
1861	NASDAQ	PRFT	Fri, Jul 20, 2007	23.00	23.05	22.58	22.66
1860	NASDAQ	PRFT	Thu, Jul 19, 2007	22.50	23.20	22.41	23.06
1859	NASDAQ	PRFT	Wed, Jul 18, 2007	22.46	22.55	21.79	22.43
1858	NASDAQ	PRFT	Tue, Jul 17, 2007	22.10	22.61	21.95	22.54
1857	NASDAQ	PRFT	Mon, Jul 16, 2007	22.13	22.20	21.72	22.04
1856	NASDAQ	PRFT	Fri, Jul 13, 2007	22.24	22.25	21.71	22.23
1855	NASDAQ	PRFT	Thu, Jul 12, 2007	22.05	22.38	22.04	22.23
1854	NASDAQ	PRFT	Wed, Jul 11, 2007	22.08	22.13	21.77	22.01
1853	NASDAQ	PRFT	Tue, Jul 10, 2007	20.77	22.15	20.60	21.90
1852	NASDAQ	PRFT	Mon, Jul 9, 2007	20.86	20.86	20.45	20.58
1851	NASDAQ	PRFT	Fri, Jul 6, 2007	20.57	20.86	20.35	20.76
1850	NASDAQ	PRFT	Thu, Jul 5, 2007	20.92	20.92	20.48	20.53
1849	NASDAQ	PRFT	Tue, Jul 3, 2007	21.27	21.29	20.89	20.94
1848	NASDAQ	PRFT	Mon, Jul 2, 2007	20.74	21.43	20.64	21.28
1847	NASDAQ	PRFT	Fri, Jun 29, 2007	20.75	20.98	20.59	20.70
1846	NASDAQ	PRFT	Thu, Jun 28, 2007	21.25	21.25	20.60	20.72
1845	NASDAQ	PRFT	Wed, Jun 27, 2007	20.15	21.22	19.65	21.16
1844	NASDAQ	PRFT	Tue, Jun 26, 2007	20.50	20.60	20.06	20.38
1843	NASDAQ	PRFT	Mon, Jun 25, 2007	20.33	20.62	20.11	20.41
1842	NASDAQ	PRFT	Fri, Jun 22, 2007	20.80	20.89	20.35	20.46
1841	NASDAQ	PRFT	Thu, Jun 21, 2007	19.82	20.83	19.79	20.75
1840	NASDAQ	PRFT	Wed, Jun 20, 2007	19.70	20.50	19.70	20.10
1839	NASDAQ	PRFT	Tue, Jun 19, 2007	18.63	19.42	18.63	19.40
1838	NASDAQ	PRFT	Mon, Jun 18, 2007	18.78	18.82	18.58	18.75
1837	NASDAQ	PRFT	Fri, Jun 15, 2007	18.90	19.10	18.65	18.86
1836	NASDAQ	PRFT	Thu, Jun 14, 2007	18.58	18.99	18.58	18.62
1835	NASDAQ	PRFT	Wed, Jun 13, 2007	18.82	18.98	18.51	18.64
1834	NASDAQ	PRFT	Tue, Jun 12, 2007	18.93	19.15	18.76	18.93
1833	NASDAQ	PRFT	Mon, Jun 11, 2007	18.99	19.24	18.89	19.10
1832	NASDAQ	PRFT	Fri, Jun 8, 2007	19.08	19.40	18.97	19.07
1831	NASDAQ	PRFT	Thu, Jun 7, 2007	19.80	19.97	18.78	19.08
1830	NASDAQ	PRFT	Wed, Jun 6, 2007	20.33	20.35	19.79	19.85
1829	NASDAQ	PRFT	Tue, Jun 5, 2007	20.35	20.68	20.30	20.52
1828	NASDAQ	PRFT	Mon, Jun 4, 2007	20.68	20.77	20.10	20.56
1827	NASDAQ	PRFT	Fri, Jun 1, 2007	21.12	21.21	20.50	20.81
1826	NASDAQ	PRFT	Thu, May 31, 2007	20.61	21.03	20.44	21.00
1825	NASDAQ	PRFT	Wed, May 30, 2007	20.50	20.58	20.35	20.54
1824	NASDAQ	PRFT	Tue, May 29, 2007	20.60	20.88	20.46	20.70
1823	NASDAQ	PRFT	Fri, May 25, 2007	20.40	20.73	20.35	20.69
1822	NASDAQ	PRFT	Thu, May 24, 2007	20.50	20.71	20.28	20.36
1821	NASDAQ	PRFT	Wed, May 23, 2007	20.71	20.75	20.41	20.44
1820	NASDAQ	PRFT	Tue, May 22, 2007	20.49	20.82	20.16	20.63
1819	NASDAQ	PRFT	Mon, May 21, 2007	19.79	20.50	19.79	20.50
1818	NASDAQ	PRFT	Fri, May 18, 2007	19.74	20.00	19.51	19.90
1817	NASDAQ	PRFT	Thu, May 17, 2007	19.86	20.00	19.50	19.66
1816	NASDAQ	PRFT	Wed, May 16, 2007	20.31	20.31	18.96	19.93
1815	NASDAQ	PRFT	Tue, May 15, 2007	20.98	20.99	20.15	20.35
1814	NASDAQ	PRFT	Mon, May 14, 2007	21.87	21.89	20.68	21.00
1813	NASDAQ	PRFT	Fri, May 11, 2007	21.62	21.98	21.45	21.84
1812	NASDAQ	PRFT	Thu, May 10, 2007	22.47	22.47	20.55	21.53
1811	NASDAQ	PRFT	Wed, May 9, 2007	22.47	22.93	22.08	22.71
1810	NASDAQ	PRFT	Tue, May 8, 2007	21.74	22.45	21.70	22.45
1809	NASDAQ	PRFT	Mon, May 7, 2007	21.54	21.97	21.51	21.94
1808	NASDAQ	PRFT	Fri, May 4, 2007	21.40	22.00	21.38	21.64
1807	NASDAQ	PRFT	Thu, May 3, 2007	21.72	21.89	21.35	21.45
1806	NASDAQ	PRFT	Wed, May 2, 2007	21.38	21.80	21.34	21.78
1805	NASDAQ	PRFT	Tue, May 1, 2007	21.12	21.45	20.90	21.41
1804	NASDAQ	PRFT	Mon, Apr 30, 2007	22.15	22.17	21.02	21.20
1803	NASDAQ	PRFT	Fri, Apr 27, 2007	21.01	22.35	21.00	22.16
1802	NASDAQ	PRFT	Thu, Apr 26, 2007	21.47	21.66	21.15	21.20
1801	NASDAQ	PRFT	Wed, Apr 25, 2007	21.68	22.13	21.40	21.50
1800	NASDAQ	PRFT	Tue, Apr 24, 2007	21.93	22.14	21.31	21.53
1799	NASDAQ	PRFT	Mon, Apr 23, 2007	22.17	22.48	21.95	21.95
1798	NASDAQ	PRFT	Fri, Apr 20, 2007	22.53	22.56	21.90	22.10
1797	NASDAQ	PRFT	Thu, Apr 19, 2007	22.27	22.44	22.05	22.16
1796	NASDAQ	PRFT	Wed, Apr 18, 2007	22.86	23.04	22.46	22.47
1795	NASDAQ	PRFT	Tue, Apr 17, 2007	23.03	23.25	22.87	23.01
1794	NASDAQ	PRFT	Mon, Apr 16, 2007	22.85	23.29	22.66	23.03
1793	NASDAQ	PRFT	Fri, Apr 13, 2007	22.33	22.76	22.00	22.55
1792	NASDAQ	PRFT	Thu, Apr 12, 2007	22.56	22.95	21.91	22.55
1791	NASDAQ	PRFT	Wed, Apr 11, 2007	22.52	22.52	21.71	22.24
1790	NASDAQ	PRFT	Tue, Apr 10, 2007	22.88	23.00	22.35	22.47
1789	NASDAQ	PRFT	Mon, Apr 9, 2007	22.99	23.10	22.65	22.80
1788	NASDAQ	PRFT	Thu, Apr 5, 2007	22.42	23.09	21.92	22.10
1787	NASDAQ	PRFT	Wed, Apr 4, 2007	20.75	22.40	20.70	22.40
1786	NASDAQ	PRFT	Tue, Apr 3, 2007	20.50	20.72	20.23	20.69
1785	NASDAQ	PRFT	Mon, Apr 2, 2007	19.75	20.48	19.75	20.39
1784	NASDAQ	PRFT	Fri, Mar 30, 2007	19.84	20.20	19.70	19.78
1783	NASDAQ	PRFT	Thu, Mar 29, 2007	20.05	20.30	19.83	19.89
1782	NASDAQ	PRFT	Wed, Mar 28, 2007	19.84	20.14	19.76	20.02
1781	NASDAQ	PRFT	Tue, Mar 27, 2007	20.25	20.35	19.83	19.99
1780	NASDAQ	PRFT	Mon, Mar 26, 2007	20.60	20.64	20.30	20.33
1779	NASDAQ	PRFT	Fri, Mar 23, 2007	20.66	20.85	20.49	20.64
1778	NASDAQ	PRFT	Thu, Mar 22, 2007	20.67	20.74	20.50	20.72
1777	NASDAQ	PRFT	Wed, Mar 21, 2007	20.29	20.75	20.04	20.73
1776	NASDAQ	PRFT	Tue, Mar 20, 2007	20.25	20.40	20.13	20.31
1775	NASDAQ	PRFT	Mon, Mar 19, 2007	20.01	20.34	19.81	20.29
1774	NASDAQ	PRFT	Fri, Mar 16, 2007	20.00	20.01	19.71	19.80
1773	NASDAQ	PRFT	Thu, Mar 15, 2007	20.10	20.68	20.00	20.05
1772	NASDAQ	PRFT	Wed, Mar 14, 2007	19.80	20.43	19.50	20.37
1771	NASDAQ	PRFT	Tue, Mar 13, 2007	19.97	20.28	19.63	19.71
1770	NASDAQ	PRFT	Mon, Mar 12, 2007	19.61	20.14	19.61	20.04
1769	NASDAQ	PRFT	Fri, Mar 9, 2007	19.43	19.72	19.38	19.70
1768	NASDAQ	PRFT	Thu, Mar 8, 2007	18.81	19.40	18.81	19.11
1767	NASDAQ	PRFT	Wed, Mar 7, 2007	18.97	19.10	18.66	18.71
1766	NASDAQ	PRFT	Tue, Mar 6, 2007	18.60	19.12	18.31	19.07
1765	NASDAQ	PRFT	Mon, Mar 5, 2007	18.31	18.70	18.06	18.25
1764	NASDAQ	PRFT	Fri, Mar 2, 2007	19.08	19.34	18.70	18.71
1763	NASDAQ	PRFT	Thu, Mar 1, 2007	19.00	19.56	18.65	19.30
1762	NASDAQ	PRFT	Wed, Feb 28, 2007	18.31	19.55	18.01	19.43
1761	NASDAQ	PRFT	Tue, Feb 27, 2007	19.86	19.97	18.31	18.46
1760	NASDAQ	PRFT	Mon, Feb 26, 2007	19.33	20.06	19.26	20.01
1759	NASDAQ	PRFT	Fri, Feb 23, 2007	20.01	20.28	19.60	19.68
1758	NASDAQ	PRFT	Thu, Feb 22, 2007	19.68	20.26	19.59	20.10
1757	NASDAQ	PRFT	Wed, Feb 21, 2007	19.39	20.46	19.39	20.39
1756	NASDAQ	PRFT	Tue, Feb 20, 2007	20.49	20.78	20.41	20.71
1755	NASDAQ	PRFT	Fri, Feb 16, 2007	20.26	20.52	19.95	20.49
1754	NASDAQ	PRFT	Thu, Feb 15, 2007	20.30	20.49	19.90	20.37
1753	NASDAQ	PRFT	Wed, Feb 14, 2007	19.44	20.63	19.28	20.31
1752	NASDAQ	PRFT	Tue, Feb 13, 2007	19.83	20.10	19.19	19.51
1751	NASDAQ	PRFT	Mon, Feb 12, 2007	19.86	19.92	19.38	19.86
1750	NASDAQ	PRFT	Fri, Feb 9, 2007	20.50	20.60	19.13	19.86
1749	NASDAQ	PRFT	Thu, Feb 8, 2007	20.52	20.61	20.27	20.50
1748	NASDAQ	PRFT	Wed, Feb 7, 2007	20.32	20.98	20.32	20.68
1747	NASDAQ	PRFT	Tue, Feb 6, 2007	20.91	21.04	20.17	20.18
1746	NASDAQ	PRFT	Mon, Feb 5, 2007	21.11	21.36	20.81	20.93
1745	NASDAQ	PRFT	Fri, Feb 2, 2007	21.53	21.55	20.90	20.99
1744	NASDAQ	PRFT	Thu, Feb 1, 2007	20.89	21.51	20.82	21.50
1743	NASDAQ	PRFT	Wed, Jan 31, 2007	20.60	21.13	20.51	20.91
1742	NASDAQ	PRFT	Tue, Jan 30, 2007	20.80	20.85	20.35	20.54
1741	NASDAQ	PRFT	Mon, Jan 29, 2007	20.29	21.10	20.29	20.85
1740	NASDAQ	PRFT	Fri, Jan 26, 2007	20.48	20.70	20.18	20.28
1739	NASDAQ	PRFT	Thu, Jan 25, 2007	20.52	20.71	20.33	20.38
1738	NASDAQ	PRFT	Wed, Jan 24, 2007	20.25	20.50	20.23	20.50
1737	NASDAQ	PRFT	Tue, Jan 23, 2007	20.04	20.46	19.77	20.27
1736	NASDAQ	PRFT	Mon, Jan 22, 2007	19.78	20.54	19.77	20.14
1735	NASDAQ	PRFT	Fri, Jan 19, 2007	18.61	19.49	17.89	19.34
1734	NASDAQ	PRFT	Thu, Jan 18, 2007	19.47	19.64	18.62	18.69
1733	NASDAQ	PRFT	Wed, Jan 17, 2007	19.70	19.77	19.40	19.58
1732	NASDAQ	PRFT	Tue, Jan 16, 2007	20.00	20.13	19.23	19.70
1731	NASDAQ	PRFT	Fri, Jan 12, 2007	19.45	20.00	19.31	19.92
1730	NASDAQ	PRFT	Thu, Jan 11, 2007	19.07	19.54	18.87	19.47
1729	NASDAQ	PRFT	Wed, Jan 10, 2007	18.19	19.10	18.14	19.09
1728	NASDAQ	PRFT	Tue, Jan 9, 2007	17.32	17.42	16.88	17.35
1727	NASDAQ	PRFT	Mon, Jan 8, 2007	16.86	17.45	16.65	17.33
1726	NASDAQ	PRFT	Fri, Jan 5, 2007	17.07	17.07	16.50	16.86
1725	NASDAQ	PRFT	Thu, Jan 4, 2007	16.23	17.13	16.17	17.08
1724	NASDAQ	PRFT	Wed, Jan 3, 2007	16.80	16.82	16.02	16.31
1723	NASDAQ	PRFT	Fri, Dec 29, 2006	16.33	16.55	16.22	16.41
1722	NASDAQ	PRFT	Thu, Dec 28, 2006	16.47	16.58	16.20	16.37
1721	NASDAQ	PRFT	Wed, Dec 27, 2006	16.27	16.61	16.25	16.56
1720	NASDAQ	PRFT	Tue, Dec 26, 2006	15.92	16.39	15.90	16.28
1719	NASDAQ	PRFT	Fri, Dec 22, 2006	15.80	16.23	15.66	16.00
1718	NASDAQ	PRFT	Thu, Dec 21, 2006	15.42	15.87	15.35	15.77
1717	NASDAQ	PRFT	Wed, Dec 20, 2006	15.61	15.70	15.09	15.31
1716	NASDAQ	PRFT	Tue, Dec 19, 2006	15.16	16.00	14.91	15.69
1715	NASDAQ	PRFT	Mon, Dec 18, 2006	17.07	17.19	14.68	15.31
1714	NASDAQ	PRFT	Fri, Dec 15, 2006	17.70	17.99	17.08	17.20
1713	NASDAQ	PRFT	Thu, Dec 14, 2006	17.63	17.89	17.62	17.80
1712	NASDAQ	PRFT	Wed, Dec 13, 2006	17.79	17.93	17.52	17.53
1711	NASDAQ	PRFT	Tue, Dec 12, 2006	17.77	17.94	17.54	17.77
1710	NASDAQ	PRFT	Mon, Dec 11, 2006	17.52	17.96	17.42	17.77
1709	NASDAQ	PRFT	Fri, Dec 8, 2006	17.65	17.86	17.32	17.60
1708	NASDAQ	PRFT	Thu, Dec 7, 2006	18.16	18.26	17.68	17.74
1707	NASDAQ	PRFT	Wed, Dec 6, 2006	18.05	18.39	17.61	18.21
1706	NASDAQ	PRFT	Tue, Dec 5, 2006	18.30	18.35	17.85	18.19
1705	NASDAQ	PRFT	Mon, Dec 4, 2006	17.80	18.41	17.60	18.22
1704	NASDAQ	PRFT	Fri, Dec 1, 2006	17.38	17.97	17.35	17.48
1703	NASDAQ	PRFT	Thu, Nov 30, 2006	17.00	17.62	16.70	17.47
1702	NASDAQ	PRFT	Wed, Nov 29, 2006	16.99	17.42	16.82	17.01
1701	NASDAQ	PRFT	Tue, Nov 28, 2006	17.24	17.24	16.70	17.00
1700	NASDAQ	PRFT	Mon, Nov 27, 2006	17.71	17.74	17.12	17.41
1699	NASDAQ	PRFT	Fri, Nov 24, 2006	17.28	17.98	17.25	17.66
1698	NASDAQ	PRFT	Wed, Nov 22, 2006	18.50	18.50	16.70	17.63
1697	NASDAQ	PRFT	Tue, Nov 21, 2006	19.32	19.40	18.50	18.83
1696	NASDAQ	PRFT	Mon, Nov 20, 2006	19.20	19.41	19.06	19.16
1695	NASDAQ	PRFT	Fri, Nov 17, 2006	18.64	19.05	18.64	19.05
1694	NASDAQ	PRFT	Thu, Nov 16, 2006	18.79	18.99	18.35	18.64
1693	NASDAQ	PRFT	Wed, Nov 15, 2006	18.89	19.00	18.57	18.82
1692	NASDAQ	PRFT	Tue, Nov 14, 2006	18.85	18.98	18.00	18.89
1691	NASDAQ	PRFT	Mon, Nov 13, 2006	18.00	18.74	17.63	18.67
1690	NASDAQ	PRFT	Fri, Nov 10, 2006	17.32	17.64	17.07	17.61
1689	NASDAQ	PRFT	Thu, Nov 9, 2006	17.18	17.49	17.18	17.43
1688	NASDAQ	PRFT	Wed, Nov 8, 2006	17.00	17.36	16.54	17.23
1687	NASDAQ	PRFT	Tue, Nov 7, 2006	17.37	17.70	17.11	17.20
1686	NASDAQ	PRFT	Mon, Nov 6, 2006	16.36	17.23	16.31	17.12
1685	NASDAQ	PRFT	Fri, Nov 3, 2006	16.59	17.22	16.00	16.17
1684	NASDAQ	PRFT	Thu, Nov 2, 2006	15.88	16.20	14.03	16.20
1683	NASDAQ	PRFT	Wed, Nov 1, 2006	16.56	16.72	15.58	16.26
1682	NASDAQ	PRFT	Tue, Oct 31, 2006	16.95	16.95	15.35	16.77
1681	NASDAQ	PRFT	Mon, Oct 30, 2006	17.13	17.37	16.98	17.00
1680	NASDAQ	PRFT	Fri, Oct 27, 2006	17.29	17.29	16.95	16.95
1679	NASDAQ	PRFT	Thu, Oct 26, 2006	17.05	17.50	16.90	17.27
1678	NASDAQ	PRFT	Wed, Oct 25, 2006	17.16	17.31	16.75	16.88
1677	NASDAQ	PRFT	Tue, Oct 24, 2006	17.26	17.39	17.00	17.11
1676	NASDAQ	PRFT	Mon, Oct 23, 2006	17.05	17.60	16.80	17.18
1675	NASDAQ	PRFT	Fri, Oct 20, 2006	16.88	17.07	16.72	17.03
1674	NASDAQ	PRFT	Thu, Oct 19, 2006	16.70	17.05	16.60	16.92
1673	NASDAQ	PRFT	Wed, Oct 18, 2006	17.33	17.50	16.71	16.78
1672	NASDAQ	PRFT	Tue, Oct 17, 2006	16.90	17.25	16.50	17.14
1671	NASDAQ	PRFT	Mon, Oct 16, 2006	16.75	17.21	16.55	16.95
1670	NASDAQ	PRFT	Fri, Oct 13, 2006	17.30	17.30	16.35	16.73
1669	NASDAQ	PRFT	Thu, Oct 12, 2006	17.81	17.91	17.13	17.89
1668	NASDAQ	PRFT	Wed, Oct 11, 2006	17.36	17.99	16.90	17.71
1667	NASDAQ	PRFT	Tue, Oct 10, 2006	16.39	17.42	16.19	17.21
1666	NASDAQ	PRFT	Mon, Oct 9, 2006	16.00	16.17	15.83	16.02
1665	NASDAQ	PRFT	Fri, Oct 6, 2006	15.89	15.97	15.38	15.96
1664	NASDAQ	PRFT	Thu, Oct 5, 2006	15.99	16.00	15.82	15.98
1663	NASDAQ	PRFT	Wed, Oct 4, 2006	15.90	16.00	15.76	15.99
1662	NASDAQ	PRFT	Tue, Oct 3, 2006	15.51	16.00	15.42	16.00
1661	NASDAQ	PRFT	Mon, Oct 2, 2006	15.75	15.93	15.30	15.65
1660	NASDAQ	PRFT	Fri, Sep 29, 2006	15.66	15.70	15.31	15.68
1659	NASDAQ	PRFT	Thu, Sep 28, 2006	15.20	15.64	15.16	15.55
1658	NASDAQ	PRFT	Wed, Sep 27, 2006	15.19	15.23	14.85	15.15
1657	NASDAQ	PRFT	Tue, Sep 26, 2006	15.29	15.75	14.78	15.20
1656	NASDAQ	PRFT	Mon, Sep 25, 2006	14.51	15.20	14.46	15.18
1655	NASDAQ	PRFT	Fri, Sep 22, 2006	15.32	15.35	14.30	14.61
1654	NASDAQ	PRFT	Thu, Sep 21, 2006	14.60	15.35	14.40	15.23
1653	NASDAQ	PRFT	Wed, Sep 20, 2006	14.55	14.75	14.25	14.48
1652	NASDAQ	PRFT	Tue, Sep 19, 2006	14.52	14.52	14.05	14.42
1651	NASDAQ	PRFT	Mon, Sep 18, 2006	14.64	15.00	14.31	14.42
1650	NASDAQ	PRFT	Fri, Sep 15, 2006	14.90	15.04	14.11	14.32
1649	NASDAQ	PRFT	Thu, Sep 14, 2006	14.94	15.27	14.77	14.79
1648	NASDAQ	PRFT	Wed, Sep 13, 2006	14.96	15.47	14.39	14.78
1647	NASDAQ	PRFT	Tue, Sep 12, 2006	14.90	15.33	14.73	14.90
1646	NASDAQ	PRFT	Mon, Sep 11, 2006	14.05	14.89	14.05	14.88
1645	NASDAQ	PRFT	Fri, Sep 8, 2006	13.57	14.60	13.57	14.05
1644	NASDAQ	PRFT	Thu, Sep 7, 2006	13.34	13.56	13.25	13.46
1643	NASDAQ	PRFT	Wed, Sep 6, 2006	13.51	13.64	13.25	13.46
1642	NASDAQ	PRFT	Tue, Sep 5, 2006	13.46	13.67	13.35	13.56
1641	NASDAQ	PRFT	Fri, Sep 1, 2006	13.60	13.61	13.33	13.39
1640	NASDAQ	PRFT	Thu, Aug 31, 2006	13.75	13.75	13.38	13.50
1639	NASDAQ	PRFT	Wed, Aug 30, 2006	13.50	13.74	13.33	13.67
1638	NASDAQ	PRFT	Tue, Aug 29, 2006	12.99	13.55	12.81	13.51
1637	NASDAQ	PRFT	Mon, Aug 28, 2006	12.50	13.02	12.50	12.94
1636	NASDAQ	PRFT	Fri, Aug 25, 2006	12.63	12.75	12.50	12.53
1635	NASDAQ	PRFT	Thu, Aug 24, 2006	12.83	12.83	12.55	12.70
1634	NASDAQ	PRFT	Wed, Aug 23, 2006	12.78	12.87	12.69	12.75
1633	NASDAQ	PRFT	Tue, Aug 22, 2006	12.74	12.94	12.72	12.81
1632	NASDAQ	PRFT	Mon, Aug 21, 2006	12.81	12.94	12.75	12.80
1631	NASDAQ	PRFT	Fri, Aug 18, 2006	12.93	12.93	12.60	12.88
1630	NASDAQ	PRFT	Thu, Aug 17, 2006	12.79	13.00	12.63	12.86
1629	NASDAQ	PRFT	Wed, Aug 16, 2006	12.70	12.96	12.46	12.87
1628	NASDAQ	PRFT	Tue, Aug 15, 2006	12.25	12.70	12.15	12.63
1627	NASDAQ	PRFT	Mon, Aug 14, 2006	11.63	12.25	11.62	12.17
1626	NASDAQ	PRFT	Fri, Aug 11, 2006	11.94	11.94	11.56	11.62
1625	NASDAQ	PRFT	Thu, Aug 10, 2006	11.61	12.23	11.50	11.95
1624	NASDAQ	PRFT	Wed, Aug 9, 2006	12.18	12.43	11.64	11.66
1623	NASDAQ	PRFT	Tue, Aug 8, 2006	12.28	12.47	12.07	12.10
1622	NASDAQ	PRFT	Mon, Aug 7, 2006	12.98	12.98	12.25	12.31
1621	NASDAQ	PRFT	Fri, Aug 4, 2006	13.53	13.87	12.50	12.95
1620	NASDAQ	PRFT	Thu, Aug 3, 2006	12.29	12.78	12.17	12.78
1619	NASDAQ	PRFT	Wed, Aug 2, 2006	12.06	12.54	12.06	12.38
1618	NASDAQ	PRFT	Tue, Aug 1, 2006	12.23	12.38	11.90	11.93
1617	NASDAQ	PRFT	Mon, Jul 31, 2006	12.35	12.45	12.22	12.38
1616	NASDAQ	PRFT	Fri, Jul 28, 2006	11.58	12.41	11.42	12.40
1615	NASDAQ	PRFT	Thu, Jul 27, 2006	12.16	12.39	11.25	11.52
1614	NASDAQ	PRFT	Wed, Jul 26, 2006	12.54	12.54	12.00	12.10
1613	NASDAQ	PRFT	Tue, Jul 25, 2006	12.61	12.80	12.36	12.54
1612	NASDAQ	PRFT	Mon, Jul 24, 2006	12.46	12.75	12.46	12.71
1611	NASDAQ	PRFT	Fri, Jul 21, 2006	12.52	12.64	12.15	12.40
1610	NASDAQ	PRFT	Thu, Jul 20, 2006	13.06	13.06	12.54	12.56
1609	NASDAQ	PRFT	Wed, Jul 19, 2006	12.65	13.09	12.56	13.01
1608	NASDAQ	PRFT	Tue, Jul 18, 2006	12.34	12.68	12.29	12.67
1607	NASDAQ	PRFT	Mon, Jul 17, 2006	12.43	12.51	12.28	12.34
1606	NASDAQ	PRFT	Fri, Jul 14, 2006	12.65	12.65	12.07	12.48
1605	NASDAQ	PRFT	Thu, Jul 13, 2006	12.60	12.97	12.36	12.69
1604	NASDAQ	PRFT	Wed, Jul 12, 2006	12.90	13.15	12.58	12.67
1603	NASDAQ	PRFT	Tue, Jul 11, 2006	13.00	13.52	12.80	13.49
1602	NASDAQ	PRFT	Mon, Jul 10, 2006	12.30	12.49	12.09	12.13
1601	NASDAQ	PRFT	Fri, Jul 7, 2006	12.50	12.59	12.30	12.30
1600	NASDAQ	PRFT	Thu, Jul 6, 2006	12.32	12.71	12.31	12.51
1599	NASDAQ	PRFT	Wed, Jul 5, 2006	12.47	12.51	12.02	12.35
1598	NASDAQ	PRFT	Mon, Jul 3, 2006	12.42	12.60	12.21	12.55
1597	NASDAQ	PRFT	Fri, Jun 30, 2006	12.17	12.85	12.12	12.36
1596	NASDAQ	PRFT	Thu, Jun 29, 2006	12.22	12.33	11.92	12.10
1595	NASDAQ	PRFT	Wed, Jun 28, 2006	12.47	12.56	12.11	12.23
1594	NASDAQ	PRFT	Tue, Jun 27, 2006	12.95	13.00	12.22	12.49
1593	NASDAQ	PRFT	Mon, Jun 26, 2006	13.10	13.10	12.92	12.96
1592	NASDAQ	PRFT	Fri, Jun 23, 2006	13.06	13.08	12.86	13.07
1591	NASDAQ	PRFT	Thu, Jun 22, 2006	13.14	13.23	12.91	13.03
1590	NASDAQ	PRFT	Wed, Jun 21, 2006	12.67	13.14	12.54	13.13
1589	NASDAQ	PRFT	Tue, Jun 20, 2006	12.84	12.94	12.59	12.70
1588	NASDAQ	PRFT	Mon, Jun 19, 2006	12.70	12.90	12.54	12.87
1587	NASDAQ	PRFT	Fri, Jun 16, 2006	12.87	12.87	12.44	12.70
1586	NASDAQ	PRFT	Thu, Jun 15, 2006	12.22	12.95	12.20	12.90
1585	NASDAQ	PRFT	Wed, Jun 14, 2006	12.52	12.55	11.90	12.16
1584	NASDAQ	PRFT	Tue, Jun 13, 2006	12.90	13.05	12.33	12.55
1583	NASDAQ	PRFT	Mon, Jun 12, 2006	13.34	13.48	12.74	12.96
1582	NASDAQ	PRFT	Fri, Jun 9, 2006	13.90	13.98	13.28	13.50
1581	NASDAQ	PRFT	Thu, Jun 8, 2006	14.31	14.38	13.41	13.86
1580	NASDAQ	PRFT	Wed, Jun 7, 2006	13.70	14.47	13.70	14.29
1579	NASDAQ	PRFT	Tue, Jun 6, 2006	14.04	14.19	13.74	14.03
1578	NASDAQ	PRFT	Mon, Jun 5, 2006	14.01	14.33	13.62	14.00
1577	NASDAQ	PRFT	Fri, Jun 2, 2006	13.93	14.20	13.11	13.99
1576	NASDAQ	PRFT	Thu, Jun 1, 2006	14.00	14.10	13.35	13.86
1575	NASDAQ	PRFT	Wed, May 31, 2006	13.57	14.20	13.41	13.95
1574	NASDAQ	PRFT	Tue, May 30, 2006	13.49	13.65	13.18	13.57
1573	NASDAQ	PRFT	Fri, May 26, 2006	13.50	13.50	13.23	13.39
1572	NASDAQ	PRFT	Thu, May 25, 2006	12.55	13.50	12.55	13.46
1571	NASDAQ	PRFT	Wed, May 24, 2006	12.30	12.68	12.14	12.52
1570	NASDAQ	PRFT	Tue, May 23, 2006	12.12	12.54	12.12	12.35
1569	NASDAQ	PRFT	Mon, May 22, 2006	13.00	13.02	11.95	12.09
1568	NASDAQ	PRFT	Fri, May 19, 2006	12.38	13.35	12.30	13.00
1567	NASDAQ	PRFT	Thu, May 18, 2006	12.01	12.65	12.01	12.32
1566	NASDAQ	PRFT	Wed, May 17, 2006	12.29	12.33	11.95	12.04
1565	NASDAQ	PRFT	Tue, May 16, 2006	12.58	12.64	12.30	12.38
1564	NASDAQ	PRFT	Mon, May 15, 2006	12.50	12.74	12.21	12.62
1563	NASDAQ	PRFT	Fri, May 12, 2006	12.46	12.53	12.11	12.50
1562	NASDAQ	PRFT	Thu, May 11, 2006	12.23	12.34	12.15	12.34
1561	NASDAQ	PRFT	Wed, May 10, 2006	12.45	12.47	12.07	12.25
1560	NASDAQ	PRFT	Tue, May 9, 2006	11.72	12.48	11.55	12.44
1559	NASDAQ	PRFT	Mon, May 8, 2006	11.80	11.90	11.60	11.78
1558	NASDAQ	PRFT	Fri, May 5, 2006	11.76	12.07	11.57	11.99
1557	NASDAQ	PRFT	Thu, May 4, 2006	12.10	12.37	11.69	11.75
1556	NASDAQ	PRFT	Wed, May 3, 2006	12.00	12.10	11.89	12.00
1555	NASDAQ	PRFT	Tue, May 2, 2006	12.15	12.28	11.98	11.98
1554	NASDAQ	PRFT	Mon, May 1, 2006	12.30	12.30	12.08	12.10
1553	NASDAQ	PRFT	Fri, Apr 28, 2006	12.20	12.25	12.00	12.17
1552	NASDAQ	PRFT	Thu, Apr 27, 2006	12.30	12.30	12.20	12.21
1551	NASDAQ	PRFT	Wed, Apr 26, 2006	12.03	12.26	12.03	12.21
1550	NASDAQ	PRFT	Tue, Apr 25, 2006	12.29	12.35	12.02	12.03
1549	NASDAQ	PRFT	Mon, Apr 24, 2006	12.02	12.38	12.02	12.24
1548	NASDAQ	PRFT	Fri, Apr 21, 2006	12.11	12.13	11.91	12.05
1547	NASDAQ	PRFT	Thu, Apr 20, 2006	12.20	12.26	11.82	12.12
1546	NASDAQ	PRFT	Wed, Apr 19, 2006	11.95	12.20	11.80	12.17
1545	NASDAQ	PRFT	Tue, Apr 18, 2006	11.83	12.00	11.71	11.95
1544	NASDAQ	PRFT	Mon, Apr 17, 2006	11.70	11.99	11.65	11.83
1543	NASDAQ	PRFT	Thu, Apr 13, 2006	11.70	11.78	11.42	11.52
1542	NASDAQ	PRFT	Wed, Apr 12, 2006	11.59	11.84	11.52	11.67
1541	NASDAQ	PRFT	Tue, Apr 11, 2006	12.38	12.38	11.53	11.59
1540	NASDAQ	PRFT	Mon, Apr 10, 2006	12.75	13.00	11.88	12.38
1539	NASDAQ	PRFT	Fri, Apr 7, 2006	12.42	12.61	12.41	12.60
1538	NASDAQ	PRFT	Thu, Apr 6, 2006	12.48	12.50	12.08	12.36
1537	NASDAQ	PRFT	Wed, Apr 5, 2006	11.80	12.49	11.69	12.37
1536	NASDAQ	PRFT	Tue, Apr 4, 2006	11.78	11.94	11.74	11.75
1535	NASDAQ	PRFT	Mon, Apr 3, 2006	11.64	11.93	11.64	11.74
1534	NASDAQ	PRFT	Fri, Mar 31, 2006	11.99	11.99	11.20	11.61
1533	NASDAQ	PRFT	Thu, Mar 30, 2006	12.66	12.68	11.88	11.96
1532	NASDAQ	PRFT	Wed, Mar 29, 2006	11.95	12.11	11.84	12.01
1531	NASDAQ	PRFT	Tue, Mar 28, 2006	11.84	11.90	11.53	11.87
1530	NASDAQ	PRFT	Mon, Mar 27, 2006	11.65	11.85	11.43	11.83
1529	NASDAQ	PRFT	Fri, Mar 24, 2006	11.55	11.63	11.23	11.62
1528	NASDAQ	PRFT	Thu, Mar 23, 2006	11.29	11.56	11.08	11.51
1527	NASDAQ	PRFT	Wed, Mar 22, 2006	10.97	11.38	10.85	11.33
1526	NASDAQ	PRFT	Tue, Mar 21, 2006	11.21	11.23	10.93	10.97
1525	NASDAQ	PRFT	Mon, Mar 20, 2006	11.16	11.43	11.15	11.27
1524	NASDAQ	PRFT	Fri, Mar 17, 2006	11.27	11.27	10.42	11.19
1523	NASDAQ	PRFT	Thu, Mar 16, 2006	11.15	11.25	11.07	11.25
1522	NASDAQ	PRFT	Wed, Mar 15, 2006	11.13	11.21	11.02	11.09
1521	NASDAQ	PRFT	Tue, Mar 14, 2006	11.18	11.18	11.00	11.10
1520	NASDAQ	PRFT	Mon, Mar 13, 2006	11.06	11.20	11.04	11.14
1519	NASDAQ	PRFT	Fri, Mar 10, 2006	10.59	11.17	10.51	11.00
1518	NASDAQ	PRFT	Thu, Mar 9, 2006	10.27	10.70	10.25	10.60
1517	NASDAQ	PRFT	Wed, Mar 8, 2006	10.24	10.39	10.20	10.34
1516	NASDAQ	PRFT	Tue, Mar 7, 2006	10.42	10.48	10.20	10.30
1515	NASDAQ	PRFT	Mon, Mar 6, 2006	10.47	10.65	10.19	10.53
1514	NASDAQ	PRFT	Fri, Mar 3, 2006	10.00	10.72	9.92	10.47
1513	NASDAQ	PRFT	Thu, Mar 2, 2006	10.31	10.34	9.99	10.03
1512	NASDAQ	PRFT	Wed, Mar 1, 2006	10.45	10.68	10.09	10.36
1511	NASDAQ	PRFT	Tue, Feb 28, 2006	10.68	11.31	10.39	10.92
1510	NASDAQ	PRFT	Mon, Feb 27, 2006	10.58	10.91	10.29	10.68
1509	NASDAQ	PRFT	Fri, Feb 24, 2006	10.55	10.70	10.19	10.60
1508	NASDAQ	PRFT	Thu, Feb 23, 2006	10.32	10.66	10.29	10.48
1507	NASDAQ	PRFT	Wed, Feb 22, 2006	10.15	10.42	10.00	10.28
1506	NASDAQ	PRFT	Tue, Feb 21, 2006	10.52	10.52	10.01	10.14
1505	NASDAQ	PRFT	Fri, Feb 17, 2006	10.43	10.55	10.24	10.46
1504	NASDAQ	PRFT	Thu, Feb 16, 2006	10.45	10.54	10.25	10.50
1503	NASDAQ	PRFT	Wed, Feb 15, 2006	10.42	10.50	10.33	10.36
1502	NASDAQ	PRFT	Tue, Feb 14, 2006	10.25	10.44	10.13	10.40
1501	NASDAQ	PRFT	Mon, Feb 13, 2006	10.28	10.41	10.19	10.28
1500	NASDAQ	PRFT	Fri, Feb 10, 2006	10.85	10.85	10.20	10.28
1499	NASDAQ	PRFT	Thu, Feb 9, 2006	10.59	10.88	10.45	10.85
1498	NASDAQ	PRFT	Wed, Feb 8, 2006	10.07	10.55	10.02	10.54
1497	NASDAQ	PRFT	Tue, Feb 7, 2006	9.85	10.16	9.85	10.06
1496	NASDAQ	PRFT	Mon, Feb 6, 2006	9.82	10.01	9.80	9.92
1495	NASDAQ	PRFT	Fri, Feb 3, 2006	10.08	10.08	9.49	9.85
1494	NASDAQ	PRFT	Thu, Feb 2, 2006	10.32	10.32	10.04	10.12
1493	NASDAQ	PRFT	Wed, Feb 1, 2006	10.33	10.36	10.14	10.30
1492	NASDAQ	PRFT	Tue, Jan 31, 2006	10.40	10.44	10.03	10.34
1491	NASDAQ	PRFT	Mon, Jan 30, 2006	10.68	10.92	10.22	10.36
1490	NASDAQ	PRFT	Fri, Jan 27, 2006	10.79	11.00	10.58	10.74
1489	NASDAQ	PRFT	Thu, Jan 26, 2006	10.65	10.76	10.43	10.68
1488	NASDAQ	PRFT	Wed, Jan 25, 2006	10.79	10.86	10.52	10.62
1487	NASDAQ	PRFT	Tue, Jan 24, 2006	10.41	10.72	10.29	10.70
1486	NASDAQ	PRFT	Mon, Jan 23, 2006	10.49	10.81	10.15	10.39
1485	NASDAQ	PRFT	Fri, Jan 20, 2006	10.55	10.69	10.30	10.44
1484	NASDAQ	PRFT	Thu, Jan 19, 2006	10.18	10.52	10.08	10.51
1483	NASDAQ	PRFT	Wed, Jan 18, 2006	9.72	10.18	9.59	10.18
1482	NASDAQ	PRFT	Tue, Jan 17, 2006	9.95	10.10	9.80	9.86
1481	NASDAQ	PRFT	Fri, Jan 13, 2006	9.53	10.03	9.53	9.99
1480	NASDAQ	PRFT	Thu, Jan 12, 2006	9.55	9.67	9.33	9.56
1479	NASDAQ	PRFT	Wed, Jan 11, 2006	9.74	9.74	9.45	9.59
1478	NASDAQ	PRFT	Tue, Jan 10, 2006	9.90	9.95	9.48	9.75
1477	NASDAQ	PRFT	Mon, Jan 9, 2006	9.75	9.94	9.57	9.92
1476	NASDAQ	PRFT	Fri, Jan 6, 2006	9.46	9.65	9.36	9.62
1475	NASDAQ	PRFT	Thu, Jan 5, 2006	9.04	9.47	9.00	9.46
1474	NASDAQ	PRFT	Wed, Jan 4, 2006	8.69	9.09	8.64	9.04
1473	NASDAQ	PRFT	Tue, Jan 3, 2006	8.91	9.12	8.74	8.76
1472	NASDAQ	PRFT	Fri, Dec 30, 2005	9.04	9.09	8.86	8.91
1471	NASDAQ	PRFT	Thu, Dec 29, 2005	8.84	9.16	8.78	9.11
1470	NASDAQ	PRFT	Wed, Dec 28, 2005	8.70	8.96	8.58	8.90
1469	NASDAQ	PRFT	Tue, Dec 27, 2005	9.03	9.05	8.64	8.73
1468	NASDAQ	PRFT	Fri, Dec 23, 2005	9.10	9.28	9.04	9.04
1467	NASDAQ	PRFT	Thu, Dec 22, 2005	9.04	9.19	9.04	9.16
1466	NASDAQ	PRFT	Wed, Dec 21, 2005	9.05	9.13	8.86	9.04
1465	NASDAQ	PRFT	Tue, Dec 20, 2005	8.97	9.10	8.58	9.10
1464	NASDAQ	PRFT	Mon, Dec 19, 2005	9.21	9.26	8.89	8.99
1463	NASDAQ	PRFT	Fri, Dec 16, 2005	9.24	9.44	9.24	9.44
1462	NASDAQ	PRFT	Thu, Dec 15, 2005	9.12	9.35	8.98	9.28
1461	NASDAQ	PRFT	Wed, Dec 14, 2005	9.19	9.25	8.88	9.19
1460	NASDAQ	PRFT	Tue, Dec 13, 2005	9.44	9.55	9.04	9.20
1459	NASDAQ	PRFT	Mon, Dec 12, 2005	9.45	10.32	9.26	9.44
1458	NASDAQ	PRFT	Fri, Dec 9, 2005	9.45	9.62	9.32	9.55
1457	NASDAQ	PRFT	Thu, Dec 8, 2005	9.54	9.54	9.30	9.50
1456	NASDAQ	PRFT	Wed, Dec 7, 2005	9.53	9.57	9.13	9.46
1455	NASDAQ	PRFT	Tue, Dec 6, 2005	9.25	9.54	9.18	9.53
1454	NASDAQ	PRFT	Mon, Dec 5, 2005	9.16	9.28	9.08	9.19
1453	NASDAQ	PRFT	Fri, Dec 2, 2005	9.25	9.40	9.07	9.16
1452	NASDAQ	PRFT	Thu, Dec 1, 2005	8.79	9.41	8.74	9.13
1451	NASDAQ	PRFT	Wed, Nov 30, 2005	8.66	8.83	8.50	8.72
1450	NASDAQ	PRFT	Tue, Nov 29, 2005	8.88	8.90	8.57	8.76
1449	NASDAQ	PRFT	Mon, Nov 28, 2005	8.14	8.91	8.10	8.80
1448	NASDAQ	PRFT	Fri, Nov 25, 2005	8.00	8.08	8.00	8.03
1447	NASDAQ	PRFT	Wed, Nov 23, 2005	8.20	8.20	7.95	8.00
1446	NASDAQ	PRFT	Tue, Nov 22, 2005	8.12	8.23	7.97	8.23
1445	NASDAQ	PRFT	Mon, Nov 21, 2005	8.00	8.13	7.92	8.13
1444	NASDAQ	PRFT	Fri, Nov 18, 2005	7.87	8.00	7.81	7.99
1443	NASDAQ	PRFT	Thu, Nov 17, 2005	7.65	7.85	7.58	7.85
1442	NASDAQ	PRFT	Wed, Nov 16, 2005	7.65	7.70	7.29	7.60
1441	NASDAQ	PRFT	Tue, Nov 15, 2005	7.77	7.84	7.65	7.65
1440	NASDAQ	PRFT	Mon, Nov 14, 2005	7.93	7.94	7.72	7.77
1439	NASDAQ	PRFT	Fri, Nov 11, 2005	8.00	8.09	7.82	7.85
1438	NASDAQ	PRFT	Thu, Nov 10, 2005	7.94	8.05	7.80	8.02
1437	NASDAQ	PRFT	Wed, Nov 9, 2005	7.75	7.97	7.75	7.95
1436	NASDAQ	PRFT	Tue, Nov 8, 2005	8.08	8.08	7.80	7.83
1435	NASDAQ	PRFT	Mon, Nov 7, 2005	8.27	8.49	7.99	8.05
1434	NASDAQ	PRFT	Fri, Nov 4, 2005	8.12	8.30	8.09	8.27
1433	NASDAQ	PRFT	Thu, Nov 3, 2005	7.77	8.10	7.68	8.03
1432	NASDAQ	PRFT	Wed, Nov 2, 2005	7.63	7.72	7.21	7.55
1431	NASDAQ	PRFT	Tue, Nov 1, 2005	7.89	7.90	7.57	7.60
1430	NASDAQ	PRFT	Mon, Oct 31, 2005	7.45	7.87	7.45	7.74
1429	NASDAQ	PRFT	Fri, Oct 28, 2005	7.52	7.63	7.15	7.45
1428	NASDAQ	PRFT	Thu, Oct 27, 2005	8.02	8.15	7.50	7.56
1427	NASDAQ	PRFT	Wed, Oct 26, 2005	8.13	8.30	8.07	8.07
1426	NASDAQ	PRFT	Tue, Oct 25, 2005	7.99	8.40	7.88	8.10
1425	NASDAQ	PRFT	Mon, Oct 24, 2005	7.98	8.09	7.90	8.07
1424	NASDAQ	PRFT	Fri, Oct 21, 2005	7.99	7.99	7.80	7.97
1423	NASDAQ	PRFT	Thu, Oct 20, 2005	7.93	7.97	7.77	7.97
1422	NASDAQ	PRFT	Wed, Oct 19, 2005	8.07	8.09	7.62	7.88
1421	NASDAQ	PRFT	Tue, Oct 18, 2005	8.20	8.29	7.96	8.07
1420	NASDAQ	PRFT	Mon, Oct 17, 2005	7.83	8.39	7.83	8.11
1419	NASDAQ	PRFT	Fri, Oct 14, 2005	7.75	7.95	7.70	7.89
1418	NASDAQ	PRFT	Thu, Oct 13, 2005	7.51	7.71	7.51	7.71
1417	NASDAQ	PRFT	Wed, Oct 12, 2005	7.34	7.66	7.34	7.59
1416	NASDAQ	PRFT	Tue, Oct 11, 2005	7.40	7.44	7.06	7.43
1415	NASDAQ	PRFT	Mon, Oct 10, 2005	7.25	7.44	7.25	7.36
1414	NASDAQ	PRFT	Fri, Oct 7, 2005	7.44	7.52	7.16	7.20
1413	NASDAQ	PRFT	Thu, Oct 6, 2005	7.56	7.56	7.35	7.43
1412	NASDAQ	PRFT	Wed, Oct 5, 2005	7.96	8.00	7.31	7.64
1411	NASDAQ	PRFT	Tue, Oct 4, 2005	8.09	8.16	7.72	7.87
1410	NASDAQ	PRFT	Mon, Oct 3, 2005	8.13	8.23	7.83	8.14
1409	NASDAQ	PRFT	Fri, Sep 30, 2005	8.21	8.30	8.10	8.27
1408	NASDAQ	PRFT	Thu, Sep 29, 2005	8.25	8.33	8.00	8.22
1407	NASDAQ	PRFT	Wed, Sep 28, 2005	7.98	8.28	7.90	8.22
1406	NASDAQ	PRFT	Tue, Sep 27, 2005	8.05	8.11	7.91	8.02
1405	NASDAQ	PRFT	Mon, Sep 26, 2005	7.89	8.15	7.81	8.06
1404	NASDAQ	PRFT	Fri, Sep 23, 2005	7.80	7.89	7.80	7.85
1403	NASDAQ	PRFT	Thu, Sep 22, 2005	7.77	7.89	7.77	7.80
1402	NASDAQ	PRFT	Wed, Sep 21, 2005	7.65	7.89	7.65	7.84
1401	NASDAQ	PRFT	Tue, Sep 20, 2005	7.72	7.80	7.69	7.69
1400	NASDAQ	PRFT	Mon, Sep 19, 2005	7.82	7.82	7.50	7.72
1399	NASDAQ	PRFT	Fri, Sep 16, 2005	7.88	7.88	7.65	7.80
1398	NASDAQ	PRFT	Thu, Sep 15, 2005	7.93	7.94	7.55	7.84
1397	NASDAQ	PRFT	Wed, Sep 14, 2005	7.92	7.98	7.83	7.94
1396	NASDAQ	PRFT	Tue, Sep 13, 2005	7.80	7.95	7.72	7.93
1395	NASDAQ	PRFT	Mon, Sep 12, 2005	7.60	7.83	7.52	7.74
1394	NASDAQ	PRFT	Fri, Sep 9, 2005	7.37	7.57	7.37	7.54
1393	NASDAQ	PRFT	Thu, Sep 8, 2005	7.27	7.47	7.24	7.44
1392	NASDAQ	PRFT	Wed, Sep 7, 2005	7.03	7.30	6.98	7.24
1391	NASDAQ	PRFT	Tue, Sep 6, 2005	7.08	7.08	6.78	7.05
1390	NASDAQ	PRFT	Fri, Sep 2, 2005	6.90	7.14	6.79	6.85
1389	NASDAQ	PRFT	Thu, Sep 1, 2005	7.04	7.04	6.81	6.82
1388	NASDAQ	PRFT	Wed, Aug 31, 2005	6.94	7.04	6.81	7.01
1387	NASDAQ	PRFT	Tue, Aug 30, 2005	6.75	6.90	6.75	6.85
1386	NASDAQ	PRFT	Mon, Aug 29, 2005	6.88	6.92	6.79	6.85
1385	NASDAQ	PRFT	Fri, Aug 26, 2005	6.85	7.05	6.75	6.96
1384	NASDAQ	PRFT	Thu, Aug 25, 2005	7.09	7.09	6.81	6.85
1383	NASDAQ	PRFT	Wed, Aug 24, 2005	6.95	7.08	6.95	7.03
1382	NASDAQ	PRFT	Tue, Aug 23, 2005	7.00	7.07	6.95	6.96
1381	NASDAQ	PRFT	Mon, Aug 22, 2005	7.04	7.10	6.85	6.99
1380	NASDAQ	PRFT	Fri, Aug 19, 2005	6.84	7.10	6.84	7.04
1379	NASDAQ	PRFT	Thu, Aug 18, 2005	6.80	6.95	6.76	6.86
1378	NASDAQ	PRFT	Wed, Aug 17, 2005	6.77	7.00	6.75	6.83
1377	NASDAQ	PRFT	Tue, Aug 16, 2005	6.80	6.86	6.67	6.74
1376	NASDAQ	PRFT	Mon, Aug 15, 2005	6.84	6.85	6.62	6.75
1375	NASDAQ	PRFT	Fri, Aug 12, 2005	6.85	6.89	6.68	6.84
1374	NASDAQ	PRFT	Thu, Aug 11, 2005	6.83	6.95	6.72	6.87
1373	NASDAQ	PRFT	Wed, Aug 10, 2005	6.99	7.05	6.80	6.83
1372	NASDAQ	PRFT	Tue, Aug 9, 2005	6.75	7.00	6.72	6.92
1371	NASDAQ	PRFT	Mon, Aug 8, 2005	7.16	7.30	6.56	6.78
1370	NASDAQ	PRFT	Fri, Aug 5, 2005	7.50	7.70	7.10	7.16
1369	NASDAQ	PRFT	Thu, Aug 4, 2005	7.90	7.95	7.50	7.51
1368	NASDAQ	PRFT	Wed, Aug 3, 2005	8.01	8.24	7.88	8.09
1367	NASDAQ	PRFT	Tue, Aug 2, 2005	8.34	8.34	7.75	8.02
1366	NASDAQ	PRFT	Mon, Aug 1, 2005	8.43	8.43	8.21	8.26
1365	NASDAQ	PRFT	Fri, Jul 29, 2005	8.30	8.40	8.20	8.25
1364	NASDAQ	PRFT	Thu, Jul 28, 2005	8.21	8.45	8.20	8.35
1363	NASDAQ	PRFT	Wed, Jul 27, 2005	8.02	8.21	8.00	8.21
1362	NASDAQ	PRFT	Tue, Jul 26, 2005	7.75	8.14	7.74	7.99
1361	NASDAQ	PRFT	Mon, Jul 25, 2005	7.85	8.00	7.75	7.75
1360	NASDAQ	PRFT	Fri, Jul 22, 2005	8.03	8.03	7.80	7.90
1359	NASDAQ	PRFT	Thu, Jul 21, 2005	8.02	8.15	7.90	8.00
1358	NASDAQ	PRFT	Wed, Jul 20, 2005	7.85	8.05	7.80	8.01
1357	NASDAQ	PRFT	Tue, Jul 19, 2005	7.75	7.99	7.69	7.88
1356	NASDAQ	PRFT	Mon, Jul 18, 2005	7.67	7.80	7.46	7.70
1355	NASDAQ	PRFT	Fri, Jul 15, 2005	7.85	7.91	7.40	7.73
1354	NASDAQ	PRFT	Thu, Jul 14, 2005	7.81	8.40	7.51	7.79
1353	NASDAQ	PRFT	Wed, Jul 13, 2005	7.90	7.90	7.75	7.79
1352	NASDAQ	PRFT	Tue, Jul 12, 2005	7.80	7.81	7.57	7.77
1351	NASDAQ	PRFT	Mon, Jul 11, 2005	7.21	7.93	7.19	7.76
1350	NASDAQ	PRFT	Fri, Jul 8, 2005	7.19	7.40	7.10	7.28
1349	NASDAQ	PRFT	Thu, Jul 7, 2005	7.06	7.20	7.06	7.15
1348	NASDAQ	PRFT	Wed, Jul 6, 2005	7.15	7.20	7.06	7.19
1347	NASDAQ	PRFT	Tue, Jul 5, 2005	7.04	7.15	7.01	7.13
1346	NASDAQ	PRFT	Fri, Jul 1, 2005	7.12	7.23	6.90	7.08
1345	NASDAQ	PRFT	Thu, Jun 30, 2005	7.26	7.30	6.98	7.11
1344	NASDAQ	PRFT	Wed, Jun 29, 2005	7.42	7.48	7.25	7.29
1343	NASDAQ	PRFT	Tue, Jun 28, 2005	7.25	7.40	7.11	7.40
1342	NASDAQ	PRFT	Mon, Jun 27, 2005	7.10	7.24	7.04	7.16
1341	NASDAQ	PRFT	Fri, Jun 24, 2005	7.50	7.50	7.05	7.20
1340	NASDAQ	PRFT	Thu, Jun 23, 2005	7.55	7.66	7.47	7.54
1339	NASDAQ	PRFT	Wed, Jun 22, 2005	7.80	7.80	7.49	7.60
1338	NASDAQ	PRFT	Tue, Jun 21, 2005	7.55	7.75	7.50	7.67
1337	NASDAQ	PRFT	Mon, Jun 20, 2005	7.98	7.99	7.39	7.60
1336	NASDAQ	PRFT	Fri, Jun 17, 2005	8.06	8.06	7.89	7.99
1335	NASDAQ	PRFT	Thu, Jun 16, 2005	7.65	7.88	7.59	7.88
1334	NASDAQ	PRFT	Wed, Jun 15, 2005	7.62	7.65	7.40	7.63
1333	NASDAQ	PRFT	Tue, Jun 14, 2005	7.75	7.75	7.55	7.59
1332	NASDAQ	PRFT	Mon, Jun 13, 2005	7.82	7.82	7.34	7.61
1331	NASDAQ	PRFT	Fri, Jun 10, 2005	7.45	7.49	7.30	7.45
1330	NASDAQ	PRFT	Thu, Jun 9, 2005	6.99	7.23	6.98	7.19
1329	NASDAQ	PRFT	Wed, Jun 8, 2005	7.09	7.15	7.00	7.07
1328	NASDAQ	PRFT	Tue, Jun 7, 2005	7.23	7.25	6.99	7.08
1327	NASDAQ	PRFT	Mon, Jun 6, 2005	7.07	7.25	6.90	7.23
1326	NASDAQ	PRFT	Fri, Jun 3, 2005	7.14	7.27	6.89	7.07
1325	NASDAQ	PRFT	Thu, Jun 2, 2005	7.25	7.35	7.05	7.32
1324	NASDAQ	PRFT	Wed, Jun 1, 2005	7.09	7.25	7.07	7.25
1323	NASDAQ	PRFT	Tue, May 31, 2005	6.70	7.10	6.67	7.09
1322	NASDAQ	PRFT	Fri, May 27, 2005	6.60	6.79	6.44	6.77
1321	NASDAQ	PRFT	Thu, May 26, 2005	6.32	6.65	6.20	6.54
1320	NASDAQ	PRFT	Wed, May 25, 2005	6.11	6.37	6.10	6.20
1319	NASDAQ	PRFT	Tue, May 24, 2005	6.00	6.18	5.98	6.08
1318	NASDAQ	PRFT	Mon, May 23, 2005	5.73	6.10	5.68	6.06
1317	NASDAQ	PRFT	Fri, May 20, 2005	5.55	5.75	5.51	5.73
1316	NASDAQ	PRFT	Thu, May 19, 2005	5.25	5.59	5.25	5.55
1315	NASDAQ	PRFT	Wed, May 18, 2005	5.45	5.59	5.28	5.30
1314	NASDAQ	PRFT	Tue, May 17, 2005	5.70	5.81	5.12	5.33
1313	NASDAQ	PRFT	Mon, May 16, 2005	5.88	6.28	5.70	5.70
1312	NASDAQ	PRFT	Fri, May 13, 2005	6.22	6.30	5.80	5.93
1311	NASDAQ	PRFT	Thu, May 12, 2005	6.37	6.68	6.07	6.10
1310	NASDAQ	PRFT	Wed, May 11, 2005	6.51	6.70	6.25	6.40
1309	NASDAQ	PRFT	Tue, May 10, 2005	6.70	6.74	6.50	6.60
1308	NASDAQ	PRFT	Mon, May 9, 2005	6.71	6.92	6.45	6.55
1307	NASDAQ	PRFT	Fri, May 6, 2005	7.30	7.30	6.67	6.73
1306	NASDAQ	PRFT	Thu, May 5, 2005	7.01	7.31	6.85	7.25
1305	NASDAQ	PRFT	Wed, May 4, 2005	7.10	7.23	6.51	7.05
1304	NASDAQ	PRFT	Tue, May 3, 2005	6.09	7.20	6.09	6.71
1303	NASDAQ	PRFT	Mon, May 2, 2005	6.04	6.12	5.89	6.08
1302	NASDAQ	PRFT	Fri, Apr 29, 2005	6.25	6.25	5.80	6.01
1301	NASDAQ	PRFT	Thu, Apr 28, 2005	6.16	6.20	6.02	6.12
1300	NASDAQ	PRFT	Wed, Apr 27, 2005	6.19	6.35	6.02	6.15
1299	NASDAQ	PRFT	Tue, Apr 26, 2005	6.31	6.43	6.07	6.19
1298	NASDAQ	PRFT	Mon, Apr 25, 2005	6.22	6.37	6.22	6.30
1297	NASDAQ	PRFT	Fri, Apr 22, 2005	6.15	6.29	6.15	6.20
1296	NASDAQ	PRFT	Thu, Apr 21, 2005	6.23	6.25	6.11	6.17
1295	NASDAQ	PRFT	Wed, Apr 20, 2005	6.30	6.31	6.11	6.12
1294	NASDAQ	PRFT	Tue, Apr 19, 2005	5.84	6.30	5.84	6.17
1293	NASDAQ	PRFT	Mon, Apr 18, 2005	5.81	5.96	5.50	5.85
1292	NASDAQ	PRFT	Fri, Apr 15, 2005	6.10	6.12	5.59	5.88
1291	NASDAQ	PRFT	Thu, Apr 14, 2005	6.39	6.40	6.01	6.16
1290	NASDAQ	PRFT	Wed, Apr 13, 2005	6.48	7.19	6.37	6.41
1289	NASDAQ	PRFT	Tue, Apr 12, 2005	7.04	7.12	6.33	6.49
1288	NASDAQ	PRFT	Mon, Apr 11, 2005	7.01	7.10	6.96	6.96
1287	NASDAQ	PRFT	Fri, Apr 8, 2005	7.09	7.16	7.00	7.05
1286	NASDAQ	PRFT	Thu, Apr 7, 2005	7.09	7.15	6.93	7.10
1285	NASDAQ	PRFT	Wed, Apr 6, 2005	7.11	7.18	7.05	7.16
1284	NASDAQ	PRFT	Tue, Apr 5, 2005	7.00	7.25	6.95	7.05
1283	NASDAQ	PRFT	Mon, Apr 4, 2005	7.05	7.21	6.95	6.97
1282	NASDAQ	PRFT	Fri, Apr 1, 2005	7.79	7.85	7.05	7.15
1281	NASDAQ	PRFT	Thu, Mar 31, 2005	7.45	7.75	7.32	7.69
1280	NASDAQ	PRFT	Wed, Mar 30, 2005	7.16	7.63	7.16	7.39
1279	NASDAQ	PRFT	Tue, Mar 29, 2005	7.02	7.35	6.85	7.26
1278	NASDAQ	PRFT	Mon, Mar 28, 2005	6.91	7.15	6.85	6.95
1277	NASDAQ	PRFT	Thu, Mar 24, 2005	7.00	7.11	6.90	6.91
1276	NASDAQ	PRFT	Wed, Mar 23, 2005	7.08	7.18	6.85	7.00
1275	NASDAQ	PRFT	Tue, Mar 22, 2005	7.21	7.35	7.12	7.12
1274	NASDAQ	PRFT	Mon, Mar 21, 2005	7.41	7.50	7.23	7.40
1273	NASDAQ	PRFT	Fri, Mar 18, 2005	7.63	7.85	7.25	7.27
1272	NASDAQ	PRFT	Thu, Mar 17, 2005	7.30	7.38	7.20	7.34
1271	NASDAQ	PRFT	Wed, Mar 16, 2005	7.09	7.50	7.07	7.25
1270	NASDAQ	PRFT	Tue, Mar 15, 2005	6.81	7.70	6.80	7.29
1269	NASDAQ	PRFT	Mon, Mar 14, 2005	7.65	8.00	6.76	6.80
1268	NASDAQ	PRFT	Fri, Mar 11, 2005	8.08	8.17	7.67	7.70
1267	NASDAQ	PRFT	Thu, Mar 10, 2005	8.31	8.35	8.05	8.10
1266	NASDAQ	PRFT	Wed, Mar 9, 2005	8.06	8.34	7.76	8.26
1265	NASDAQ	PRFT	Tue, Mar 8, 2005	8.40	8.75	8.10	8.10
1264	NASDAQ	PRFT	Mon, Mar 7, 2005	9.22	9.69	9.03	9.44
1263	NASDAQ	PRFT	Fri, Mar 4, 2005	8.51	9.40	8.37	9.06
1262	NASDAQ	PRFT	Thu, Mar 3, 2005	8.56	8.56	8.32	8.42
1261	NASDAQ	PRFT	Wed, Mar 2, 2005	8.55	8.64	8.38	8.50
1260	NASDAQ	PRFT	Tue, Mar 1, 2005	8.89	8.94	8.31	8.53
1259	NASDAQ	PRFT	Mon, Feb 28, 2005	8.74	9.15	8.61	8.87
1258	NASDAQ	PRFT	Fri, Feb 25, 2005	7.99	8.79	7.85	8.59
1257	NASDAQ	PRFT	Thu, Feb 24, 2005	7.95	8.00	7.55	7.96
1256	NASDAQ	PRFT	Wed, Feb 23, 2005	7.92	7.92	7.71	7.86
1255	NASDAQ	PRFT	Tue, Feb 22, 2005	7.64	8.20	7.48	7.71
1254	NASDAQ	PRFT	Fri, Feb 18, 2005	7.48	7.54	7.40	7.45
1253	NASDAQ	PRFT	Thu, Feb 17, 2005	7.42	7.55	7.32	7.48
1252	NASDAQ	PRFT	Wed, Feb 16, 2005	7.68	7.68	7.25	7.40
1251	NASDAQ	PRFT	Tue, Feb 15, 2005	7.89	7.89	7.51	7.73
1250	NASDAQ	PRFT	Mon, Feb 14, 2005	7.99	7.99	7.57	7.77
1249	NASDAQ	PRFT	Fri, Feb 11, 2005	7.99	7.99	7.81	7.93
1248	NASDAQ	PRFT	Thu, Feb 10, 2005	7.50	8.10	7.45	7.81
1247	NASDAQ	PRFT	Wed, Feb 9, 2005	7.46	7.62	7.30	7.52
1246	NASDAQ	PRFT	Tue, Feb 8, 2005	7.12	7.37	7.10	7.31
1245	NASDAQ	PRFT	Mon, Feb 7, 2005	7.25	7.30	7.00	7.15
1244	NASDAQ	PRFT	Fri, Feb 4, 2005	7.11	7.45	7.05	7.30
1243	NASDAQ	PRFT	Thu, Feb 3, 2005	7.85	7.89	7.06	7.10
1242	NASDAQ	PRFT	Wed, Feb 2, 2005	7.48	8.38	7.48	8.14
1241	NASDAQ	PRFT	Tue, Feb 1, 2005	7.78	7.79	7.21	7.48
1240	NASDAQ	PRFT	Mon, Jan 31, 2005	7.99	8.00	7.79	7.79
1239	NASDAQ	PRFT	Fri, Jan 28, 2005	7.68	7.98	7.51	7.78
1238	NASDAQ	PRFT	Thu, Jan 27, 2005	7.48	7.95	7.31	7.68
1237	NASDAQ	PRFT	Wed, Jan 26, 2005	7.02	7.40	7.02	7.36
1236	NASDAQ	PRFT	Tue, Jan 25, 2005	6.68	7.21	6.68	7.02
1235	NASDAQ	PRFT	Mon, Jan 24, 2005	6.90	6.99	6.68	6.83
1234	NASDAQ	PRFT	Fri, Jan 21, 2005	7.34	7.47	6.84	6.91
1233	NASDAQ	PRFT	Thu, Jan 20, 2005	7.73	7.73	7.17	7.37
1232	NASDAQ	PRFT	Wed, Jan 19, 2005	8.02	8.06	7.49	7.73
1231	NASDAQ	PRFT	Tue, Jan 18, 2005	7.58	8.20	7.36	7.92
1230	NASDAQ	PRFT	Fri, Jan 14, 2005	7.49	7.52	7.23	7.49
1229	NASDAQ	PRFT	Thu, Jan 13, 2005	7.42	7.70	7.11	7.44
1228	NASDAQ	PRFT	Wed, Jan 12, 2005	7.25	7.50	7.06	7.28
1227	NASDAQ	PRFT	Tue, Jan 11, 2005	7.31	7.69	7.12	7.21
1226	NASDAQ	PRFT	Mon, Jan 10, 2005	7.72	7.95	7.28	7.38
1225	NASDAQ	PRFT	Fri, Jan 7, 2005	8.32	8.32	7.80	7.85
1224	NASDAQ	PRFT	Thu, Jan 6, 2005	7.86	8.65	7.75	8.05
1223	NASDAQ	PRFT	Wed, Jan 5, 2005	8.18	8.36	7.55	7.80
1222	NASDAQ	PRFT	Tue, Jan 4, 2005	8.90	9.14	7.84	8.18
1221	NASDAQ	PRFT	Mon, Jan 3, 2005	6.56	9.29	6.40	9.29
1220	NASDAQ	PRFT	Fri, Dec 31, 2004	6.53	6.66	6.53	6.56
1219	NASDAQ	PRFT	Thu, Dec 30, 2004	6.50	6.61	6.43	6.52
1218	NASDAQ	PRFT	Wed, Dec 29, 2004	6.68	6.82	6.40	6.51
1217	NASDAQ	PRFT	Tue, Dec 28, 2004	7.00	7.31	6.56	6.89
1216	NASDAQ	PRFT	Mon, Dec 27, 2004	6.74	7.01	6.70	6.96
1215	NASDAQ	PRFT	Thu, Dec 23, 2004	6.56	6.73	6.51	6.61
1214	NASDAQ	PRFT	Wed, Dec 22, 2004	6.70	6.70	6.36	6.45
1213	NASDAQ	PRFT	Tue, Dec 21, 2004	6.28	6.70	6.10	6.69
1212	NASDAQ	PRFT	Mon, Dec 20, 2004	6.70	6.70	6.25	6.40
1211	NASDAQ	PRFT	Fri, Dec 17, 2004	6.68	6.90	6.39	6.63
1210	NASDAQ	PRFT	Thu, Dec 16, 2004	6.26	6.93	6.22	6.65
1209	NASDAQ	PRFT	Wed, Dec 15, 2004	6.23	6.39	6.07	6.31
1208	NASDAQ	PRFT	Tue, Dec 14, 2004	6.53	6.53	6.01	6.24
1207	NASDAQ	PRFT	Mon, Dec 13, 2004	6.40	6.59	6.21	6.25
1206	NASDAQ	PRFT	Fri, Dec 10, 2004	6.49	6.62	6.05	6.20
1205	NASDAQ	PRFT	Thu, Dec 9, 2004	5.85	6.46	5.85	6.40
1204	NASDAQ	PRFT	Wed, Dec 8, 2004	5.75	6.11	5.75	6.05
1203	NASDAQ	PRFT	Tue, Dec 7, 2004	6.49	6.49	5.91	6.06
1202	NASDAQ	PRFT	Mon, Dec 6, 2004	6.63	6.63	6.05	6.34
1201	NASDAQ	PRFT	Fri, Dec 3, 2004	5.35	6.20	5.23	6.15
1200	NASDAQ	PRFT	Thu, Dec 2, 2004	5.06	5.25	5.04	5.23
1199	NASDAQ	PRFT	Wed, Dec 1, 2004	5.20	5.20	5.00	5.13
1198	NASDAQ	PRFT	Tue, Nov 30, 2004	5.25	5.25	5.04	5.11
1197	NASDAQ	PRFT	Mon, Nov 29, 2004	4.52	5.19	4.52	5.04
1196	NASDAQ	PRFT	Fri, Nov 26, 2004	4.50	4.56	4.40	4.56
1195	NASDAQ	PRFT	Wed, Nov 24, 2004	4.48	4.56	4.41	4.46
1194	NASDAQ	PRFT	Tue, Nov 23, 2004	4.56	4.56	4.28	4.49
1193	NASDAQ	PRFT	Mon, Nov 22, 2004	4.50	4.50	4.27	4.45
1192	NASDAQ	PRFT	Fri, Nov 19, 2004	4.60	4.65	4.50	4.55
1191	NASDAQ	PRFT	Thu, Nov 18, 2004	4.38	4.63	4.37	4.63
1190	NASDAQ	PRFT	Wed, Nov 17, 2004	4.45	4.49	4.30	4.39
1189	NASDAQ	PRFT	Tue, Nov 16, 2004	4.26	4.40	4.26	4.38
1188	NASDAQ	PRFT	Mon, Nov 15, 2004	4.49	4.49	4.28	4.37
1187	NASDAQ	PRFT	Fri, Nov 12, 2004	4.15	4.25	4.15	4.25
1186	NASDAQ	PRFT	Thu, Nov 11, 2004	4.14	4.20	4.05	4.15
1185	NASDAQ	PRFT	Wed, Nov 10, 2004	3.95	4.11	3.95	4.11
1184	NASDAQ	PRFT	Tue, Nov 9, 2004	3.97	4.10	3.88	3.94
1183	NASDAQ	PRFT	Mon, Nov 8, 2004	4.28	4.32	3.97	4.05
1182	NASDAQ	PRFT	Fri, Nov 5, 2004	4.24	4.30	4.16	4.29
1181	NASDAQ	PRFT	Thu, Nov 4, 2004	4.44	4.44	4.13	4.28
1180	NASDAQ	PRFT	Wed, Nov 3, 2004	4.49	4.60	4.26	4.47
1179	NASDAQ	PRFT	Tue, Nov 2, 2004	4.45	4.47	4.30	4.40
1178	NASDAQ	PRFT	Mon, Nov 1, 2004	4.42	4.42	4.30	4.37
1177	NASDAQ	PRFT	Fri, Oct 29, 2004	4.31	4.38	4.19	4.38
1176	NASDAQ	PRFT	Thu, Oct 28, 2004	4.24	4.40	4.15	4.30
1175	NASDAQ	PRFT	Wed, Oct 27, 2004	4.07	4.27	4.03	4.15
1174	NASDAQ	PRFT	Tue, Oct 26, 2004	4.00	4.21	4.00	4.15
1173	NASDAQ	PRFT	Mon, Oct 25, 2004	4.22	4.22	4.01	4.13
1172	NASDAQ	PRFT	Fri, Oct 22, 2004	4.44	4.44	4.25	4.29
1171	NASDAQ	PRFT	Thu, Oct 21, 2004	4.25	4.41	4.08	4.39
1170	NASDAQ	PRFT	Wed, Oct 20, 2004	4.07	4.23	4.04	4.23
1169	NASDAQ	PRFT	Tue, Oct 19, 2004	4.01	4.24	4.00	4.04
1168	NASDAQ	PRFT	Mon, Oct 18, 2004	4.00	4.06	3.95	4.00
1167	NASDAQ	PRFT	Fri, Oct 15, 2004	4.00	4.08	3.96	4.01
1166	NASDAQ	PRFT	Thu, Oct 14, 2004	4.14	4.25	3.99	4.00
1165	NASDAQ	PRFT	Wed, Oct 13, 2004	4.37	4.70	4.12	4.14
1164	NASDAQ	PRFT	Tue, Oct 12, 2004	3.91	3.98	3.78	3.96
1163	NASDAQ	PRFT	Mon, Oct 11, 2004	3.92	4.00	3.89	3.99
1162	NASDAQ	PRFT	Fri, Oct 8, 2004	4.00	4.05	3.85	3.99
1161	NASDAQ	PRFT	Thu, Oct 7, 2004	3.98	4.01	3.95	4.01
1160	NASDAQ	PRFT	Wed, Oct 6, 2004	4.01	4.01	3.92	4.00
1159	NASDAQ	PRFT	Tue, Oct 5, 2004	4.00	4.25	3.88	4.00
1158	NASDAQ	PRFT	Mon, Oct 4, 2004	3.90	3.98	3.88	3.95
1157	NASDAQ	PRFT	Fri, Oct 1, 2004	3.56	3.85	3.55	3.84
1156	NASDAQ	PRFT	Thu, Sep 30, 2004	3.50	3.61	3.50	3.56
1155	NASDAQ	PRFT	Wed, Sep 29, 2004	3.54	3.69	3.54	3.59
1154	NASDAQ	PRFT	Tue, Sep 28, 2004	3.56	3.63	3.54	3.56
1153	NASDAQ	PRFT	Mon, Sep 27, 2004	3.75	3.75	3.59	3.61
1152	NASDAQ	PRFT	Fri, Sep 24, 2004	3.60	3.77	3.55	3.74
1151	NASDAQ	PRFT	Thu, Sep 23, 2004	3.67	3.71	3.51	3.62
1150	NASDAQ	PRFT	Wed, Sep 22, 2004	3.65	3.70	3.63	3.65
1149	NASDAQ	PRFT	Tue, Sep 21, 2004	3.71	3.74	3.65	3.67
1148	NASDAQ	PRFT	Mon, Sep 20, 2004	3.70	3.74	3.68	3.70
1147	NASDAQ	PRFT	Fri, Sep 17, 2004	3.85	3.85	3.65	3.65
1146	NASDAQ	PRFT	Thu, Sep 16, 2004	3.79	3.79	3.70	3.72
1145	NASDAQ	PRFT	Wed, Sep 15, 2004	3.85	3.85	3.67	3.70
1144	NASDAQ	PRFT	Tue, Sep 14, 2004	3.85	3.85	3.70	3.75
1143	NASDAQ	PRFT	Mon, Sep 13, 2004	3.90	3.94	3.81	3.85
1142	NASDAQ	PRFT	Fri, Sep 10, 2004	3.80	3.89	3.75	3.80
1141	NASDAQ	PRFT	Thu, Sep 9, 2004	3.50	3.79	3.50	3.79
1140	NASDAQ	PRFT	Wed, Sep 8, 2004	3.77	4.00	3.51	3.55
1139	NASDAQ	PRFT	Tue, Sep 7, 2004	3.54	3.76	3.46	3.71
1138	NASDAQ	PRFT	Fri, Sep 3, 2004	3.33	3.39	3.28	3.29
1137	NASDAQ	PRFT	Thu, Sep 2, 2004	3.34	3.40	3.28	3.40
1136	NASDAQ	PRFT	Wed, Sep 1, 2004	3.25	3.31	3.17	3.31
1135	NASDAQ	PRFT	Tue, Aug 31, 2004	3.00	3.22	3.00	3.19
1134	NASDAQ	PRFT	Mon, Aug 30, 2004	3.00	3.18	2.99	3.05
1133	NASDAQ	PRFT	Fri, Aug 27, 2004	3.01	3.17	3.01	3.14
1132	NASDAQ	PRFT	Thu, Aug 26, 2004	3.36	3.36	3.11	3.16
1131	NASDAQ	PRFT	Wed, Aug 25, 2004	3.32	3.35	3.11	3.22
1130	NASDAQ	PRFT	Tue, Aug 24, 2004	3.07	3.26	3.03	3.26
1129	NASDAQ	PRFT	Mon, Aug 23, 2004	3.18	3.20	3.04	3.05
1128	NASDAQ	PRFT	Fri, Aug 20, 2004	3.20	3.20	3.07	3.08
1127	NASDAQ	PRFT	Thu, Aug 19, 2004	2.95	3.15	2.95	3.04
1126	NASDAQ	PRFT	Wed, Aug 18, 2004	2.95	3.15	2.95	3.05
1125	NASDAQ	PRFT	Tue, Aug 17, 2004	3.06	3.17	2.96	2.97
1124	NASDAQ	PRFT	Mon, Aug 16, 2004	3.47	3.47	3.07	3.12
1123	NASDAQ	PRFT	Fri, Aug 13, 2004	3.18	3.43	3.10	3.20
1122	NASDAQ	PRFT	Thu, Aug 12, 2004	2.96	3.21	2.96	3.09
1121	NASDAQ	PRFT	Wed, Aug 11, 2004	2.98	3.10	2.98	3.09
1120	NASDAQ	PRFT	Tue, Aug 10, 2004	2.92	3.20	2.85	3.12
1119	NASDAQ	PRFT	Mon, Aug 9, 2004	3.19	3.19	2.87	2.91
1118	NASDAQ	PRFT	Fri, Aug 6, 2004	3.05	3.18	3.01	3.09
1117	NASDAQ	PRFT	Thu, Aug 5, 2004	3.11	3.23	3.10	3.11
1116	NASDAQ	PRFT	Wed, Aug 4, 2004	3.25	3.26	3.20	3.20
1115	NASDAQ	PRFT	Tue, Aug 3, 2004	3.02	3.34	3.02	3.30
1114	NASDAQ	PRFT	Mon, Aug 2, 2004	3.47	3.47	3.25	3.28
1113	NASDAQ	PRFT	Fri, Jul 30, 2004	3.26	3.46	3.15	3.42
1112	NASDAQ	PRFT	Thu, Jul 29, 2004	3.30	3.60	3.12	3.17
1111	NASDAQ	PRFT	Wed, Jul 28, 2004	3.72	3.72	3.25	3.49
1110	NASDAQ	PRFT	Tue, Jul 27, 2004	3.50	3.79	3.50	3.65
1109	NASDAQ	PRFT	Mon, Jul 26, 2004	3.71	3.71	3.58	3.62
1108	NASDAQ	PRFT	Fri, Jul 23, 2004	3.59	3.70	3.47	3.68
1107	NASDAQ	PRFT	Thu, Jul 22, 2004	3.67	3.71	3.38	3.55
1106	NASDAQ	PRFT	Wed, Jul 21, 2004	3.76	3.76	3.63	3.71
1105	NASDAQ	PRFT	Tue, Jul 20, 2004	3.76	3.76	3.65	3.68
1104	NASDAQ	PRFT	Mon, Jul 19, 2004	4.09	4.09	3.68	3.76
1103	NASDAQ	PRFT	Fri, Jul 16, 2004	3.70	4.04	3.70	4.00
1102	NASDAQ	PRFT	Thu, Jul 15, 2004	3.71	3.95	3.70	3.94
1101	NASDAQ	PRFT	Wed, Jul 14, 2004	3.69	3.80	3.69	3.69
1100	NASDAQ	PRFT	Tue, Jul 13, 2004	3.56	3.75	3.56	3.75
1099	NASDAQ	PRFT	Mon, Jul 12, 2004	3.80	3.80	3.46	3.50
1098	NASDAQ	PRFT	Fri, Jul 9, 2004	3.62	3.63	3.50	3.55
1097	NASDAQ	PRFT	Thu, Jul 8, 2004	3.65	3.85	3.64	3.69
1096	NASDAQ	PRFT	Wed, Jul 7, 2004	3.78	3.85	3.65	3.80
1095	NASDAQ	PRFT	Tue, Jul 6, 2004	3.74	3.93	3.62	3.71
1094	NASDAQ	PRFT	Fri, Jul 2, 2004	3.74	3.94	3.74	3.93
1093	NASDAQ	PRFT	Thu, Jul 1, 2004	4.25	4.25	3.85	3.85
1092	NASDAQ	PRFT	Wed, Jun 30, 2004	3.93	4.48	3.92	3.98
1091	NASDAQ	PRFT	Tue, Jun 29, 2004	4.10	4.10	3.76	3.95
1090	NASDAQ	PRFT	Mon, Jun 28, 2004	3.67	4.07	3.67	3.97
1089	NASDAQ	PRFT	Fri, Jun 25, 2004	3.34	3.66	3.33	3.66
1088	NASDAQ	PRFT	Thu, Jun 24, 2004	3.13	3.35	3.13	3.30
1087	NASDAQ	PRFT	Wed, Jun 23, 2004	3.24	3.28	3.12	3.18
1086	NASDAQ	PRFT	Tue, Jun 22, 2004	3.26	3.27	3.13	3.20
1085	NASDAQ	PRFT	Mon, Jun 21, 2004	3.21	3.39	3.11	3.15
1084	NASDAQ	PRFT	Fri, Jun 18, 2004	3.47	3.47	3.01	3.10
1083	NASDAQ	PRFT	Thu, Jun 17, 2004	3.44	3.47	3.38	3.38
1082	NASDAQ	PRFT	Wed, Jun 16, 2004	3.53	3.58	3.45	3.45
1081	NASDAQ	PRFT	Tue, Jun 15, 2004	3.63	3.63	3.50	3.50
1080	NASDAQ	PRFT	Mon, Jun 14, 2004	3.63	3.63	3.44	3.58
1079	NASDAQ	PRFT	Thu, Jun 10, 2004	3.42	3.60	3.42	3.55
1078	NASDAQ	PRFT	Wed, Jun 9, 2004	3.60	3.63	3.40	3.63
1077	NASDAQ	PRFT	Tue, Jun 8, 2004	3.72	3.72	3.32	3.49
1076	NASDAQ	PRFT	Mon, Jun 7, 2004	3.26	3.50	3.16	3.27
1075	NASDAQ	PRFT	Fri, Jun 4, 2004	3.47	3.47	3.37	3.37
1074	NASDAQ	PRFT	Thu, Jun 3, 2004	3.21	3.49	3.21	3.37
1073	NASDAQ	PRFT	Wed, Jun 2, 2004	3.49	3.49	3.23	3.29
1072	NASDAQ	PRFT	Tue, Jun 1, 2004	3.54	3.54	3.30	3.33
1071	NASDAQ	PRFT	Fri, May 28, 2004	3.47	3.50	3.33	3.45
1070	NASDAQ	PRFT	Thu, May 27, 2004	3.28	3.47	3.28	3.40
1069	NASDAQ	PRFT	Wed, May 26, 2004	3.35	3.40	3.25	3.34
1068	NASDAQ	PRFT	Tue, May 25, 2004	3.64	3.64	3.17	3.35
1067	NASDAQ	PRFT	Mon, May 24, 2004	3.62	3.73	3.60	3.61
1066	NASDAQ	PRFT	Fri, May 21, 2004	3.72	3.74	3.70	3.71
1065	NASDAQ	PRFT	Thu, May 20, 2004	3.78	3.78	3.70	3.72
1064	NASDAQ	PRFT	Wed, May 19, 2004	3.84	3.98	3.80	3.81
1063	NASDAQ	PRFT	Tue, May 18, 2004	3.95	4.02	3.85	3.92
1062	NASDAQ	PRFT	Mon, May 17, 2004	3.95	4.00	3.86	3.95
1061	NASDAQ	PRFT	Fri, May 14, 2004	4.10	4.10	3.92	4.01
1060	NASDAQ	PRFT	Thu, May 13, 2004	3.86	4.10	3.86	4.03
1059	NASDAQ	PRFT	Wed, May 12, 2004	3.85	4.03	3.79	4.01
1058	NASDAQ	PRFT	Tue, May 11, 2004	4.05	4.05	3.79	3.96
1057	NASDAQ	PRFT	Mon, May 10, 2004	3.78	3.99	3.75	3.95
1056	NASDAQ	PRFT	Fri, May 7, 2004	3.83	4.00	3.83	3.88
1055	NASDAQ	PRFT	Thu, May 6, 2004	4.03	4.03	3.68	3.88
1054	NASDAQ	PRFT	Wed, May 5, 2004	4.11	4.11	3.88	3.93
1053	NASDAQ	PRFT	Tue, May 4, 2004	4.17	4.19	3.75	3.98
1052	NASDAQ	PRFT	Mon, May 3, 2004	4.24	4.24	3.75	3.76
1051	NASDAQ	PRFT	Fri, Apr 30, 2004	4.21	4.36	4.04	4.11
1050	NASDAQ	PRFT	Thu, Apr 29, 2004	4.21	4.40	4.05	4.38
1049	NASDAQ	PRFT	Wed, Apr 28, 2004	4.10	4.21	4.01	4.11
1048	NASDAQ	PRFT	Tue, Apr 27, 2004	4.63	4.75	4.00	4.14
1047	NASDAQ	PRFT	Mon, Apr 26, 2004	4.41	4.55	4.40	4.53
1046	NASDAQ	PRFT	Fri, Apr 23, 2004	4.20	4.53	4.19	4.53
1045	NASDAQ	PRFT	Thu, Apr 22, 2004	4.06	4.27	4.00	4.27
1044	NASDAQ	PRFT	Wed, Apr 21, 2004	4.01	4.21	4.01	4.02
1043	NASDAQ	PRFT	Tue, Apr 20, 2004	4.18	4.30	4.12	4.13
1042	NASDAQ	PRFT	Mon, Apr 19, 2004	4.56	4.59	4.28	4.30
1041	NASDAQ	PRFT	Fri, Apr 16, 2004	4.04	4.50	4.00	4.48
1040	NASDAQ	PRFT	Thu, Apr 15, 2004	4.34	4.43	4.01	4.16
1039	NASDAQ	PRFT	Wed, Apr 14, 2004	4.37	4.56	4.37	4.42
1038	NASDAQ	PRFT	Tue, Apr 13, 2004	4.99	5.03	4.32	4.44
1037	NASDAQ	PRFT	Mon, Apr 12, 2004	4.85	4.99	4.75	4.76
1036	NASDAQ	PRFT	Thu, Apr 8, 2004	4.74	4.74	4.12	4.46
1035	NASDAQ	PRFT	Wed, Apr 7, 2004	4.54	4.67	4.50	4.60
1034	NASDAQ	PRFT	Tue, Apr 6, 2004	4.98	4.98	4.50	4.67
1033	NASDAQ	PRFT	Mon, Apr 5, 2004	4.80	5.06	4.75	5.00
1032	NASDAQ	PRFT	Fri, Apr 2, 2004	4.50	4.90	4.40	4.72
1031	NASDAQ	PRFT	Thu, Apr 1, 2004	3.99	4.36	3.99	4.35
1030	NASDAQ	PRFT	Wed, Mar 31, 2004	3.89	4.10	3.79	3.96
1029	NASDAQ	PRFT	Tue, Mar 30, 2004	3.58	3.90	3.58	3.77
1028	NASDAQ	PRFT	Mon, Mar 29, 2004	3.85	3.90	3.73	3.73
1027	NASDAQ	PRFT	Fri, Mar 26, 2004	3.70	3.91	3.70	3.76
1026	NASDAQ	PRFT	Thu, Mar 25, 2004	3.67	3.85	3.64	3.68
1025	NASDAQ	PRFT	Wed, Mar 24, 2004	3.30	3.70	3.20	3.70
1024	NASDAQ	PRFT	Tue, Mar 23, 2004	3.02	3.31	3.00	3.27
1023	NASDAQ	PRFT	Mon, Mar 22, 2004	3.32	3.34	3.05	3.05
1022	NASDAQ	PRFT	Fri, Mar 19, 2004	3.01	3.35	3.01	3.33
1021	NASDAQ	PRFT	Thu, Mar 18, 2004	3.30	3.32	2.97	3.10
1020	NASDAQ	PRFT	Wed, Mar 17, 2004	3.18	3.57	3.18	3.35
1019	NASDAQ	PRFT	Tue, Mar 16, 2004	3.60	3.85	3.45	3.53
1018	NASDAQ	PRFT	Mon, Mar 15, 2004	3.70	3.98	3.50	3.69
1017	NASDAQ	PRFT	Fri, Mar 12, 2004	3.49	3.88	3.49	3.70
1016	NASDAQ	PRFT	Thu, Mar 11, 2004	3.95	3.98	3.75	3.83
1015	NASDAQ	PRFT	Wed, Mar 10, 2004	4.13	4.13	3.85	4.00
1014	NASDAQ	PRFT	Tue, Mar 9, 2004	4.11	4.11	3.94	4.04
1013	NASDAQ	PRFT	Mon, Mar 8, 2004	4.00	4.24	3.85	4.08
1012	NASDAQ	PRFT	Fri, Mar 5, 2004	4.15	4.15	4.00	4.07
1011	NASDAQ	PRFT	Thu, Mar 4, 2004	4.05	4.19	3.97	4.15
1010	NASDAQ	PRFT	Wed, Mar 3, 2004	4.31	4.31	3.97	4.05
1009	NASDAQ	PRFT	Tue, Mar 2, 2004	4.25	4.25	3.91	4.21
1008	NASDAQ	PRFT	Mon, Mar 1, 2004	4.31	4.37	4.00	4.10
1007	NASDAQ	PRFT	Fri, Feb 27, 2004	3.85	4.33	3.76	4.29
1006	NASDAQ	PRFT	Thu, Feb 26, 2004	3.65	3.79	3.50	3.79
1005	NASDAQ	PRFT	Wed, Feb 25, 2004	3.60	3.77	3.54	3.64
1004	NASDAQ	PRFT	Tue, Feb 24, 2004	3.55	3.77	3.47	3.62
1003	NASDAQ	PRFT	Mon, Feb 23, 2004	3.69	3.85	3.38	3.61
1002	NASDAQ	PRFT	Fri, Feb 20, 2004	3.76	3.88	3.70	3.79
1001	NASDAQ	PRFT	Thu, Feb 19, 2004	3.75	3.89	3.70	3.88
1000	NASDAQ	PRFT	Wed, Feb 18, 2004	4.00	4.00	3.65	3.85
999	NASDAQ	PRFT	Tue, Feb 17, 2004	4.15	4.20	3.85	4.00
998	NASDAQ	PRFT	Fri, Feb 13, 2004	4.05	4.20	4.00	4.13
997	NASDAQ	PRFT	Thu, Feb 12, 2004	4.11	4.15	4.02	4.13
996	NASDAQ	PRFT	Wed, Feb 11, 2004	4.25	4.25	4.01	4.05
995	NASDAQ	PRFT	Tue, Feb 10, 2004	4.26	4.35	4.12	4.24
994	NASDAQ	PRFT	Mon, Feb 9, 2004	4.15	4.49	3.97	4.28
993	NASDAQ	PRFT	Fri, Feb 6, 2004	4.15	4.15	3.89	4.10
992	NASDAQ	PRFT	Thu, Feb 5, 2004	4.24	4.40	3.97	4.00
991	NASDAQ	PRFT	Wed, Feb 4, 2004	4.25	4.25	3.90	4.14
990	NASDAQ	PRFT	Tue, Feb 3, 2004	3.90	4.32	3.80	4.32
989	NASDAQ	PRFT	Mon, Feb 2, 2004	3.57	3.89	3.55	3.85
988	NASDAQ	PRFT	Fri, Jan 30, 2004	3.61	3.75	3.58	3.66
987	NASDAQ	PRFT	Thu, Jan 29, 2004	3.93	4.00	3.36	3.58
986	NASDAQ	PRFT	Wed, Jan 28, 2004	3.88	3.92	3.55	3.90
985	NASDAQ	PRFT	Tue, Jan 27, 2004	3.19	3.65	3.01	3.57
984	NASDAQ	PRFT	Mon, Jan 26, 2004	2.80	3.08	2.71	3.02
983	NASDAQ	PRFT	Fri, Jan 23, 2004	2.96	3.01	2.66	2.70
982	NASDAQ	PRFT	Thu, Jan 22, 2004	3.10	3.11	2.91	2.95
981	NASDAQ	PRFT	Wed, Jan 21, 2004	3.07	3.09	2.96	3.00
980	NASDAQ	PRFT	Tue, Jan 20, 2004	3.14	3.15	3.00	3.06
979	NASDAQ	PRFT	Fri, Jan 16, 2004	3.05	3.09	2.79	3.00
978	NASDAQ	PRFT	Thu, Jan 15, 2004	3.20	3.21	2.93	3.02
977	NASDAQ	PRFT	Wed, Jan 14, 2004	3.00	3.20	2.93	3.19
976	NASDAQ	PRFT	Tue, Jan 13, 2004	2.50	3.03	2.50	2.93
975	NASDAQ	PRFT	Mon, Jan 12, 2004	2.36	2.59	2.36	2.52
974	NASDAQ	PRFT	Fri, Jan 9, 2004	2.48	2.54	2.42	2.45
973	NASDAQ	PRFT	Thu, Jan 8, 2004	2.60	2.60	2.50	2.50
972	NASDAQ	PRFT	Wed, Jan 7, 2004	2.59	2.60	2.45	2.60
971	NASDAQ	PRFT	Tue, Jan 6, 2004	2.33	2.60	2.21	2.50
970	NASDAQ	PRFT	Mon, Jan 5, 2004	2.15	2.46	2.00	2.43
969	NASDAQ	PRFT	Fri, Jan 2, 2004	2.31	2.47	2.15	2.36
968	NASDAQ	PRFT	Wed, Dec 31, 2003	2.20	2.25	2.15	2.24
967	NASDAQ	PRFT	Tue, Dec 30, 2003	2.15	2.26	2.15	2.22
966	NASDAQ	PRFT	Mon, Dec 29, 2003	2.21	2.32	2.11	2.15
965	NASDAQ	PRFT	Fri, Dec 26, 2003	2.25	2.38	2.05	2.34
964	NASDAQ	PRFT	Wed, Dec 24, 2003	2.25	2.30	2.25	2.25
963	NASDAQ	PRFT	Tue, Dec 23, 2003	2.37	2.50	2.33	2.36
962	NASDAQ	PRFT	Mon, Dec 22, 2003	2.28	2.38	2.25	2.33
961	NASDAQ	PRFT	Fri, Dec 19, 2003	2.25	2.36	2.25	2.28
960	NASDAQ	PRFT	Thu, Dec 18, 2003	2.25	2.33	2.25	2.26
959	NASDAQ	PRFT	Wed, Dec 17, 2003	2.20	2.40	2.20	2.36
958	NASDAQ	PRFT	Tue, Dec 16, 2003	2.34	2.47	2.34	2.38
957	NASDAQ	PRFT	Mon, Dec 15, 2003	2.60	2.60	2.21	2.39
956	NASDAQ	PRFT	Fri, Dec 12, 2003	2.21	2.52	2.21	2.45
955	NASDAQ	PRFT	Thu, Dec 11, 2003	2.34	2.40	2.13	2.28
954	NASDAQ	PRFT	Wed, Dec 10, 2003	2.47	2.63	2.10	2.32
953	NASDAQ	PRFT	Tue, Dec 9, 2003	2.47	2.70	2.46	2.64
952	NASDAQ	PRFT	Mon, Dec 8, 2003	2.62	2.76	2.50	2.50
951	NASDAQ	PRFT	Fri, Dec 5, 2003	2.70	2.81	2.60	2.62
950	NASDAQ	PRFT	Thu, Dec 4, 2003	2.86	2.92	2.60	2.79
949	NASDAQ	PRFT	Wed, Dec 3, 2003	2.83	2.85	2.69	2.73
948	NASDAQ	PRFT	Tue, Dec 2, 2003	2.66	2.83	2.63	2.83
947	NASDAQ	PRFT	Mon, Dec 1, 2003	2.72	2.92	2.72	2.82
946	NASDAQ	PRFT	Fri, Nov 28, 2003	2.80	2.80	2.75	2.78
945	NASDAQ	PRFT	Wed, Nov 26, 2003	2.65	2.81	2.45	2.81
944	NASDAQ	PRFT	Tue, Nov 25, 2003	2.81	2.85	2.61	2.80
943	NASDAQ	PRFT	Mon, Nov 24, 2003	2.37	2.81	2.37	2.81
942	NASDAQ	PRFT	Fri, Nov 21, 2003	2.67	2.71	2.42	2.58
941	NASDAQ	PRFT	Thu, Nov 20, 2003	2.88	2.90	2.52	2.64
940	NASDAQ	PRFT	Wed, Nov 19, 2003	2.91	3.11	2.88	2.88
939	NASDAQ	PRFT	Tue, Nov 18, 2003	3.00	3.17	2.92	3.07
938	NASDAQ	PRFT	Mon, Nov 17, 2003	3.12	3.20	3.00	3.08
937	NASDAQ	PRFT	Fri, Nov 14, 2003	3.06	3.16	3.06	3.15
936	NASDAQ	PRFT	Thu, Nov 13, 2003	3.15	3.17	3.06	3.14
935	NASDAQ	PRFT	Wed, Nov 12, 2003	3.21	3.23	3.10	3.15
934	NASDAQ	PRFT	Tue, Nov 11, 2003	3.21	3.37	3.10	3.13
933	NASDAQ	PRFT	Mon, Nov 10, 2003	3.15	3.38	3.15	3.18
932	NASDAQ	PRFT	Fri, Nov 7, 2003	3.25	3.25	3.02	3.10
931	NASDAQ	PRFT	Thu, Nov 6, 2003	3.17	3.28	3.08	3.14
930	NASDAQ	PRFT	Wed, Nov 5, 2003	3.30	3.30	3.08	3.17
929	NASDAQ	PRFT	Tue, Nov 4, 2003	3.45	3.45	3.09	3.20
928	NASDAQ	PRFT	Mon, Nov 3, 2003	3.55	3.55	3.21	3.38
927	NASDAQ	PRFT	Fri, Oct 31, 2003	3.05	3.59	2.85	3.43
926	NASDAQ	PRFT	Thu, Oct 30, 2003	3.25	3.35	3.04	3.15
925	NASDAQ	PRFT	Wed, Oct 29, 2003	3.49	3.49	3.16	3.33
924	NASDAQ	PRFT	Tue, Oct 28, 2003	3.75	3.80	3.50	3.53
923	NASDAQ	PRFT	Mon, Oct 27, 2003	3.90	3.90	3.52	3.74
922	NASDAQ	PRFT	Fri, Oct 24, 2003	3.86	3.89	3.49	3.82
921	NASDAQ	PRFT	Thu, Oct 23, 2003	3.49	3.80	3.33	3.75
920	NASDAQ	PRFT	Wed, Oct 22, 2003	3.45	3.49	3.26	3.43
919	NASDAQ	PRFT	Tue, Oct 21, 2003	3.54	3.54	3.30	3.31
918	NASDAQ	PRFT	Mon, Oct 20, 2003	3.25	3.60	3.22	3.41
917	NASDAQ	PRFT	Fri, Oct 17, 2003	3.35	3.50	3.17	3.25
916	NASDAQ	PRFT	Thu, Oct 16, 2003	3.69	3.89	3.33	3.43
915	NASDAQ	PRFT	Wed, Oct 15, 2003	3.34	3.93	3.18	3.58
914	NASDAQ	PRFT	Tue, Oct 14, 2003	2.98	3.19	2.95	3.15
913	NASDAQ	PRFT	Mon, Oct 13, 2003	2.80	2.98	2.79	2.90
912	NASDAQ	PRFT	Fri, Oct 10, 2003	2.80	2.82	2.65	2.77
911	NASDAQ	PRFT	Thu, Oct 9, 2003	2.77	2.88	2.65	2.77
910	NASDAQ	PRFT	Wed, Oct 8, 2003	2.86	2.87	2.62	2.85
909	NASDAQ	PRFT	Tue, Oct 7, 2003	2.89	2.90	2.75	2.83
908	NASDAQ	PRFT	Mon, Oct 6, 2003	2.94	2.97	2.75	2.90
907	NASDAQ	PRFT	Fri, Oct 3, 2003	2.90	2.99	2.80	2.93
906	NASDAQ	PRFT	Thu, Oct 2, 2003	2.88	2.92	2.73	2.91
905	NASDAQ	PRFT	Wed, Oct 1, 2003	2.74	2.85	2.59	2.85
904	NASDAQ	PRFT	Tue, Sep 30, 2003	2.73	2.74	2.54	2.67
903	NASDAQ	PRFT	Mon, Sep 29, 2003	2.80	2.80	2.50	2.65
902	NASDAQ	PRFT	Fri, Sep 26, 2003	2.61	2.80	2.52	2.60
901	NASDAQ	PRFT	Thu, Sep 25, 2003	2.88	2.88	2.60	2.67
900	NASDAQ	PRFT	Wed, Sep 24, 2003	2.78	2.94	2.66	2.80
899	NASDAQ	PRFT	Tue, Sep 23, 2003	3.15	3.22	2.76	2.89
898	NASDAQ	PRFT	Mon, Sep 22, 2003	3.02	3.27	2.70	3.03
897	NASDAQ	PRFT	Fri, Sep 19, 2003	2.61	3.03	2.50	2.80
896	NASDAQ	PRFT	Thu, Sep 18, 2003	1.73	2.10	1.69	1.74
895	NASDAQ	PRFT	Wed, Sep 17, 2003	1.98	1.99	1.60	1.69
894	NASDAQ	PRFT	Tue, Sep 16, 2003	1.76	1.76	1.61	1.62
893	NASDAQ	PRFT	Mon, Sep 15, 2003	1.52	1.76	1.52	1.76
892	NASDAQ	PRFT	Fri, Sep 12, 2003	1.46	1.51	1.44	1.51
891	NASDAQ	PRFT	Thu, Sep 11, 2003	1.41	1.45	1.40	1.40
890	NASDAQ	PRFT	Wed, Sep 10, 2003	1.45	1.45	1.38	1.40
889	NASDAQ	PRFT	Tue, Sep 9, 2003	1.39	1.40	1.38	1.38
888	NASDAQ	PRFT	Mon, Sep 8, 2003	1.45	1.45	1.45	1.45
887	NASDAQ	PRFT	Fri, Sep 5, 2003	1.40	1.40	1.40	1.40
886	NASDAQ	PRFT	Thu, Sep 4, 2003	1.31	1.50	1.27	1.35
885	NASDAQ	PRFT	Wed, Sep 3, 2003	1.30	1.40	1.29	1.40
884	NASDAQ	PRFT	Tue, Sep 2, 2003	1.24	1.42	1.18	1.26
883	NASDAQ	PRFT	Fri, Aug 29, 2003	1.33	1.42	1.33	1.41
882	NASDAQ	PRFT	Thu, Aug 28, 2003	1.25	1.30	1.25	1.30
881	NASDAQ	PRFT	Wed, Aug 27, 2003	1.26	1.27	1.25	1.27
880	NASDAQ	PRFT	Tue, Aug 26, 2003	1.25	1.27	1.25	1.27
879	NASDAQ	PRFT	Mon, Aug 25, 2003	1.27	1.27	1.27	1.27
878	NASDAQ	PRFT	Fri, Aug 22, 2003	1.27	1.27	1.21	1.22
877	NASDAQ	PRFT	Thu, Aug 21, 2003	1.29	1.29	1.28	1.29
876	NASDAQ	PRFT	Wed, Aug 20, 2003	1.30	1.30	1.30	1.30
875	NASDAQ	PRFT	Tue, Aug 19, 2003	1.29	1.30	1.29	1.30
874	NASDAQ	PRFT	Mon, Aug 18, 2003	1.30	1.30	1.25	1.27
873	NASDAQ	PRFT	Fri, Aug 15, 2003	1.25	1.25	1.25	1.25
872	NASDAQ	PRFT	Thu, Aug 14, 2003	1.35	1.35	1.25	1.25
871	NASDAQ	PRFT	Wed, Aug 13, 2003	1.30	1.30	1.30	1.30
870	NASDAQ	PRFT	Tue, Aug 12, 2003	1.28	1.28	1.20	1.20
869	NASDAQ	PRFT	Mon, Aug 11, 2003	1.22	1.32	1.22	1.32
868	NASDAQ	PRFT	Fri, Aug 8, 2003	1.31	1.31	1.28	1.28
867	NASDAQ	PRFT	Thu, Aug 7, 2003	1.34	1.34	1.25	1.25
866	NASDAQ	PRFT	Wed, Aug 6, 2003	1.26	1.38	1.26	1.35
865	NASDAQ	PRFT	Tue, Aug 5, 2003	1.30	1.41	1.25	1.25
864	NASDAQ	PRFT	Mon, Aug 4, 2003	1.35	1.48	1.25	1.30
863	NASDAQ	PRFT	Fri, Aug 1, 2003	1.50	1.50	1.34	1.45
862	NASDAQ	PRFT	Thu, Jul 31, 2003	1.50	1.70	1.35	1.55
861	NASDAQ	PRFT	Wed, Jul 30, 2003	1.24	1.97	1.24	1.85
860	NASDAQ	PRFT	Tue, Jul 29, 2003	1.09	1.20	1.00	1.20
859	NASDAQ	PRFT	Mon, Jul 28, 2003	0.94	1.16	0.94	1.09
858	NASDAQ	PRFT	Fri, Jul 25, 2003	0.99	1.01	0.99	1.01
857	NASDAQ	PRFT	Thu, Jul 24, 2003	1.11	1.11	0.94	0.94
856	NASDAQ	PRFT	Wed, Jul 23, 2003	1.13	1.13	1.13	1.13
855	NASDAQ	PRFT	Tue, Jul 22, 2003	0.94	0.94	0.94	0.94
854	NASDAQ	PRFT	Mon, Jul 21, 2003	0.99	0.99	0.99	0.99
853	NASDAQ	PRFT	Fri, Jul 18, 2003	1.10	1.13	1.10	1.13
852	NASDAQ	PRFT	Wed, Jul 16, 2003	1.09	1.09	0.97	0.97
851	NASDAQ	PRFT	Tue, Jul 15, 2003	1.01	1.01	1.01	1.01
850	NASDAQ	PRFT	Mon, Jul 14, 2003	1.16	1.16	1.01	1.01
849	NASDAQ	PRFT	Thu, Jul 10, 2003	1.05	1.18	1.05	1.08
848	NASDAQ	PRFT	Wed, Jul 9, 2003	1.01	1.01	1.00	1.00
847	NASDAQ	PRFT	Tue, Jul 8, 2003	1.06	1.06	1.00	1.01
846	NASDAQ	PRFT	Mon, Jul 7, 2003	1.11	1.29	1.06	1.08
845	NASDAQ	PRFT	Thu, Jul 3, 2003	1.00	1.10	1.00	1.10
844	NASDAQ	PRFT	Wed, Jul 2, 2003	1.07	1.11	1.00	1.00
843	NASDAQ	PRFT	Tue, Jul 1, 2003	1.06	1.09	1.01	1.09
842	NASDAQ	PRFT	Mon, Jun 30, 2003	1.02	1.10	1.02	1.10
841	NASDAQ	PRFT	Fri, Jun 27, 2003	1.02	1.04	1.00	1.04
840	NASDAQ	PRFT	Thu, Jun 26, 2003	1.01	1.05	0.95	1.05
839	NASDAQ	PRFT	Wed, Jun 25, 2003	1.13	1.13	1.01	1.01
838	NASDAQ	PRFT	Tue, Jun 24, 2003	1.10	1.13	1.01	1.13
837	NASDAQ	PRFT	Mon, Jun 23, 2003	1.20	1.20	0.94	1.03
836	NASDAQ	PRFT	Fri, Jun 20, 2003	1.20	1.25	1.20	1.25
835	NASDAQ	PRFT	Thu, Jun 19, 2003	1.29	1.38	1.20	1.24
834	NASDAQ	PRFT	Wed, Jun 18, 2003	1.12	1.26	1.08	1.23
833	NASDAQ	PRFT	Tue, Jun 17, 2003	1.20	1.20	1.20	1.20
832	NASDAQ	PRFT	Mon, Jun 16, 2003	1.30	1.30	1.10	1.11
831	NASDAQ	PRFT	Fri, Jun 13, 2003	1.35	1.35	1.16	1.20
830	NASDAQ	PRFT	Thu, Jun 12, 2003	1.30	1.54	1.15	1.29
829	NASDAQ	PRFT	Wed, Jun 11, 2003	0.86	1.10	0.86	1.10
828	NASDAQ	PRFT	Tue, Jun 10, 2003	1.00	1.00	1.00	1.00
827	NASDAQ	PRFT	Fri, Jun 6, 2003	0.94	0.99	0.94	0.97
826	NASDAQ	PRFT	Thu, Jun 5, 2003	0.87	0.95	0.87	0.95
825	NASDAQ	PRFT	Wed, Jun 4, 2003	0.97	0.97	0.85	0.85
824	NASDAQ	PRFT	Tue, Jun 3, 2003	1.00	1.00	0.70	0.77
823	NASDAQ	PRFT	Fri, May 23, 2003	0.85	1.00	0.85	1.00
822	NASDAQ	PRFT	Wed, May 21, 2003	0.98	0.98	0.80	0.90
821	NASDAQ	PRFT	Mon, May 19, 2003	1.00	1.00	1.00	1.00
820	NASDAQ	PRFT	Fri, May 16, 2003	1.00	1.00	1.00	1.00
819	NASDAQ	PRFT	Thu, May 15, 2003	0.96	1.00	0.96	1.00
818	NASDAQ	PRFT	Wed, May 14, 2003	0.95	0.95	0.89	0.89
817	NASDAQ	PRFT	Tue, May 13, 2003	0.85	0.95	0.85	0.88
816	NASDAQ	PRFT	Mon, May 12, 2003	0.90	0.91	0.90	0.91
815	NASDAQ	PRFT	Fri, May 9, 2003	0.85	0.85	0.85	0.85
814	NASDAQ	PRFT	Wed, May 7, 2003	0.85	0.85	0.85	0.85
813	NASDAQ	PRFT	Tue, May 6, 2003	0.88	0.88	0.79	0.80
812	NASDAQ	PRFT	Mon, May 5, 2003	0.70	0.70	0.70	0.70
811	NASDAQ	PRFT	Tue, Apr 29, 2003	0.76	0.77	0.71	0.71
810	NASDAQ	PRFT	Mon, Apr 28, 2003	0.73	0.85	0.73	0.79
809	NASDAQ	PRFT	Fri, Apr 25, 2003	0.70	0.70	0.70	0.70
808	NASDAQ	PRFT	Thu, Apr 24, 2003	0.74	0.74	0.74	0.74
807	NASDAQ	PRFT	Wed, Apr 23, 2003	0.61	0.74	0.61	0.62
806	NASDAQ	PRFT	Tue, Apr 22, 2003	0.65	0.65	0.61	0.61
805	NASDAQ	PRFT	Mon, Apr 21, 2003	0.65	0.70	0.65	0.70
804	NASDAQ	PRFT	Wed, Apr 16, 2003	0.66	0.70	0.66	0.70
803	NASDAQ	PRFT	Mon, Apr 14, 2003	0.79	0.79	0.79	0.79
802	NASDAQ	PRFT	Fri, Apr 11, 2003	0.72	0.72	0.72	0.72
801	NASDAQ	PRFT	Wed, Apr 9, 2003	0.66	0.66	0.66	0.66
800	NASDAQ	PRFT	Tue, Apr 8, 2003	0.75	0.78	0.75	0.78
799	NASDAQ	PRFT	Mon, Apr 7, 2003	0.65	0.77	0.55	0.70
798	NASDAQ	PRFT	Fri, Apr 4, 2003	0.60	0.65	0.60	0.65
797	NASDAQ	PRFT	Thu, Apr 3, 2003	0.60	0.61	0.60	0.60
796	NASDAQ	PRFT	Wed, Apr 2, 2003	0.64	0.80	0.64	0.80
795	NASDAQ	PRFT	Tue, Apr 1, 2003	0.70	0.70	0.47	0.55
794	NASDAQ	PRFT	Mon, Mar 31, 2003	0.67	0.67	0.67	0.67
793	NASDAQ	PRFT	Fri, Mar 28, 2003	0.67	0.70	0.67	0.70
792	NASDAQ	PRFT	Thu, Mar 27, 2003	0.80	0.80	0.66	0.72
791	NASDAQ	PRFT	Wed, Mar 26, 2003	0.71	0.71	0.67	0.67
790	NASDAQ	PRFT	Fri, Mar 21, 2003	0.75	0.75	0.75	0.75
789	NASDAQ	PRFT	Wed, Mar 19, 2003	0.77	0.77	0.77	0.77
788	NASDAQ	PRFT	Tue, Mar 18, 2003	0.79	0.79	0.77	0.77
787	NASDAQ	PRFT	Mon, Mar 17, 2003	0.72	0.72	0.70	0.70
786	NASDAQ	PRFT	Thu, Mar 6, 2003	0.82	0.89	0.82	0.89
785	NASDAQ	PRFT	Wed, Mar 5, 2003	0.82	0.83	0.82	0.82
784	NASDAQ	PRFT	Tue, Mar 4, 2003	0.79	0.79	0.79	0.79
783	NASDAQ	PRFT	Mon, Mar 3, 2003	0.72	0.79	0.72	0.79
782	NASDAQ	PRFT	Fri, Feb 28, 2003	0.77	0.77	0.77	0.77
781	NASDAQ	PRFT	Thu, Feb 27, 2003	0.82	0.82	0.82	0.82
780	NASDAQ	PRFT	Fri, Feb 21, 2003	0.83	0.83	0.70	0.80
779	NASDAQ	PRFT	Thu, Feb 20, 2003	0.78	0.78	0.70	0.70
778	NASDAQ	PRFT	Wed, Feb 19, 2003	0.80	0.80	0.80	0.80
777	NASDAQ	PRFT	Tue, Feb 18, 2003	0.90	0.90	0.79	0.79
776	NASDAQ	PRFT	Fri, Feb 14, 2003	0.89	0.90	0.89	0.89
775	NASDAQ	PRFT	Thu, Feb 13, 2003	0.84	0.84	0.43	0.50
774	NASDAQ	PRFT	Wed, Feb 12, 2003	0.86	0.89	0.86	0.87
773	NASDAQ	PRFT	Tue, Feb 11, 2003	0.81	0.83	0.81	0.83
772	NASDAQ	PRFT	Mon, Feb 10, 2003	0.89	0.90	0.89	0.90
771	NASDAQ	PRFT	Fri, Feb 7, 2003	0.90	0.90	0.89	0.89
770	NASDAQ	PRFT	Thu, Feb 6, 2003	0.84	0.84	0.53	0.83
769	NASDAQ	PRFT	Wed, Feb 5, 2003	0.90	0.90	0.88	0.88
768	NASDAQ	PRFT	Tue, Feb 4, 2003	0.90	0.99	0.87	0.87
767	NASDAQ	PRFT	Mon, Feb 3, 2003	1.00	1.00	0.82	0.82
766	NASDAQ	PRFT	Fri, Jan 31, 2003	0.92	0.92	0.92	0.92
765	NASDAQ	PRFT	Wed, Jan 29, 2003	1.01	1.01	1.01	1.01
764	NASDAQ	PRFT	Tue, Jan 28, 2003	0.99	0.99	0.94	0.94
763	NASDAQ	PRFT	Mon, Jan 27, 2003	1.01	1.05	1.00	1.00
762	NASDAQ	PRFT	Fri, Jan 24, 2003	1.02	1.02	1.01	1.01
761	NASDAQ	PRFT	Fri, Jan 17, 2003	1.07	1.07	1.07	1.07
760	NASDAQ	PRFT	Thu, Jan 16, 2003	1.00	1.00	1.00	1.00
759	NASDAQ	PRFT	Wed, Jan 15, 2003	1.01	1.01	1.00	1.00
758	NASDAQ	PRFT	Mon, Jan 13, 2003	1.00	1.00	1.00	1.00
757	NASDAQ	PRFT	Fri, Jan 10, 2003	1.01	1.01	1.00	1.00
756	NASDAQ	PRFT	Thu, Jan 9, 2003	1.06	1.07	0.98	1.00
755	NASDAQ	PRFT	Wed, Jan 8, 2003	1.06	1.06	1.06	1.06
754	NASDAQ	PRFT	Tue, Jan 7, 2003	1.05	1.06	1.05	1.05
753	NASDAQ	PRFT	Mon, Jan 6, 2003	1.13	1.13	1.05	1.05
752	NASDAQ	PRFT	Fri, Jan 3, 2003	1.02	1.02	1.02	1.02
751	NASDAQ	PRFT	Thu, Jan 2, 2003	0.99	1.00	0.99	1.00
750	NASDAQ	PRFT	Tue, Dec 31, 2002	1.00	1.00	0.83	1.00
749	NASDAQ	PRFT	Mon, Dec 30, 2002	1.19	1.19	1.01	1.01
748	NASDAQ	PRFT	Fri, Dec 27, 2002	1.00	1.17	1.00	1.00
747	NASDAQ	PRFT	Thu, Dec 26, 2002	1.22	1.22	0.91	0.97
746	NASDAQ	PRFT	Tue, Dec 24, 2002	1.17	1.45	1.10	1.24
745	NASDAQ	PRFT	Mon, Dec 23, 2002	0.96	1.10	0.95	1.08
744	NASDAQ	PRFT	Fri, Dec 20, 2002	0.93	0.95	0.93	0.94
743	NASDAQ	PRFT	Thu, Dec 19, 2002	0.99	0.99	0.80	0.93
742	NASDAQ	PRFT	Wed, Dec 18, 2002	1.05	1.06	0.92	0.92
741	NASDAQ	PRFT	Tue, Dec 17, 2002	1.19	1.19	0.89	0.99
740	NASDAQ	PRFT	Mon, Dec 16, 2002	0.49	2.48	0.49	0.80
739	NASDAQ	PRFT	Thu, Dec 12, 2002	0.45	0.45	0.45	0.45
738	NASDAQ	PRFT	Wed, Dec 11, 2002	0.40	0.40	0.40	0.40
737	NASDAQ	PRFT	Tue, Dec 10, 2002	0.45	0.45	0.40	0.41
736	NASDAQ	PRFT	Mon, Dec 9, 2002	0.49	0.49	0.45	0.45
735	NASDAQ	PRFT	Fri, Dec 6, 2002	0.48	0.48	0.48	0.48
734	NASDAQ	PRFT	Wed, Dec 4, 2002	0.47	0.55	0.43	0.51
733	NASDAQ	PRFT	Tue, Dec 3, 2002	0.51	0.60	0.51	0.60
732	NASDAQ	PRFT	Mon, Dec 2, 2002	0.44	0.52	0.44	0.52
731	NASDAQ	PRFT	Fri, Nov 29, 2002	0.45	0.73	0.45	0.73
730	NASDAQ	PRFT	Wed, Nov 27, 2002	0.44	0.44	0.44	0.44
729	NASDAQ	PRFT	Tue, Nov 26, 2002	0.48	0.48	0.45	0.45
728	NASDAQ	PRFT	Mon, Nov 25, 2002	0.48	0.50	0.48	0.50
727	NASDAQ	PRFT	Fri, Nov 22, 2002	0.48	0.50	0.48	0.50
726	NASDAQ	PRFT	Wed, Nov 20, 2002	0.54	0.55	0.48	0.48
725	NASDAQ	PRFT	Mon, Nov 18, 2002	0.50	0.50	0.43	0.43
724	NASDAQ	PRFT	Fri, Nov 15, 2002	0.51	0.51	0.51	0.51
723	NASDAQ	PRFT	Thu, Nov 14, 2002	0.44	0.51	0.43	0.51
722	NASDAQ	PRFT	Wed, Nov 13, 2002	0.45	0.45	0.33	0.33
721	NASDAQ	PRFT	Mon, Nov 11, 2002	0.57	0.57	0.57	0.57
720	NASDAQ	PRFT	Fri, Nov 8, 2002	0.51	0.51	0.42	0.46
719	NASDAQ	PRFT	Thu, Nov 7, 2002	0.62	0.68	0.55	0.55
718	NASDAQ	PRFT	Wed, Nov 6, 2002	0.67	0.67	0.60	0.62
717	NASDAQ	PRFT	Tue, Nov 5, 2002	0.69	0.69	0.68	0.69
716	NASDAQ	PRFT	Mon, Nov 4, 2002	0.60	0.60	0.59	0.59
715	NASDAQ	PRFT	Fri, Nov 1, 2002	0.58	0.58	0.58	0.58
714	NASDAQ	PRFT	Thu, Oct 31, 2002	0.57	0.57	0.57	0.57
713	NASDAQ	PRFT	Tue, Oct 29, 2002	0.65	0.65	0.55	0.57
712	NASDAQ	PRFT	Mon, Oct 28, 2002	0.65	0.65	0.65	0.65
711	NASDAQ	PRFT	Fri, Oct 25, 2002	0.64	0.64	0.64	0.64
710	NASDAQ	PRFT	Thu, Oct 24, 2002	0.65	0.75	0.64	0.69
709	NASDAQ	PRFT	Wed, Oct 23, 2002	0.62	0.66	0.55	0.64
708	NASDAQ	PRFT	Fri, Oct 18, 2002	0.55	0.56	0.53	0.55
707	NASDAQ	PRFT	Thu, Oct 17, 2002	0.65	0.66	0.65	0.65
706	NASDAQ	PRFT	Tue, Oct 15, 2002	0.53	0.53	0.53	0.53
705	NASDAQ	PRFT	Fri, Oct 11, 2002	0.50	0.51	0.50	0.51
704	NASDAQ	PRFT	Thu, Oct 10, 2002	0.46	0.46	0.46	0.46
703	NASDAQ	PRFT	Tue, Oct 8, 2002	0.50	0.50	0.45	0.50
702	NASDAQ	PRFT	Mon, Oct 7, 2002	0.41	0.41	0.41	0.41
701	NASDAQ	PRFT	Fri, Oct 4, 2002	0.51	0.76	0.51	0.76
700	NASDAQ	PRFT	Thu, Oct 3, 2002	0.55	0.77	0.51	0.77
699	NASDAQ	PRFT	Wed, Oct 2, 2002	0.76	0.76	0.51	0.51
698	NASDAQ	PRFT	Tue, Oct 1, 2002	0.75	0.76	0.75	0.76
697	NASDAQ	PRFT	Mon, Sep 30, 2002	0.74	0.74	0.65	0.65
696	NASDAQ	PRFT	Fri, Sep 27, 2002	0.86	0.90	0.64	0.66
695	NASDAQ	PRFT	Wed, Sep 25, 2002	0.83	0.83	0.83	0.83
694	NASDAQ	PRFT	Tue, Sep 24, 2002	0.65	0.71	0.65	0.70
693	NASDAQ	PRFT	Mon, Sep 23, 2002	0.86	0.86	0.86	0.86
692	NASDAQ	PRFT	Fri, Sep 20, 2002	0.69	0.79	0.65	0.65
691	NASDAQ	PRFT	Wed, Sep 18, 2002	0.85	0.85	0.43	0.69
690	NASDAQ	PRFT	Fri, Sep 13, 2002	0.81	0.81	0.81	0.81
689	NASDAQ	PRFT	Wed, Sep 11, 2002	0.85	0.85	0.85	0.85
688	NASDAQ	PRFT	Mon, Sep 9, 2002	0.90	0.94	0.80	0.80
687	NASDAQ	PRFT	Fri, Sep 6, 2002	0.86	0.86	0.79	0.79
686	NASDAQ	PRFT	Fri, Aug 30, 2002	1.00	1.00	1.00	1.00
685	NASDAQ	PRFT	Wed, Aug 28, 2002	0.97	0.97	0.97	0.97
684	NASDAQ	PRFT	Tue, Aug 27, 2002	0.97	0.97	0.97	0.97
683	NASDAQ	PRFT	Fri, Aug 23, 2002	1.08	1.08	1.08	1.08
682	NASDAQ	PRFT	Thu, Aug 22, 2002	0.96	0.96	0.91	0.91
681	NASDAQ	PRFT	Wed, Aug 21, 2002	0.90	1.20	0.90	1.20
680	NASDAQ	PRFT	Tue, Aug 20, 2002	0.85	0.85	0.85	0.85
679	NASDAQ	PRFT	Mon, Aug 19, 2002	0.90	0.90	0.90	0.90
678	NASDAQ	PRFT	Tue, Aug 13, 2002	0.92	0.92	0.92	0.92
677	NASDAQ	PRFT	Mon, Aug 12, 2002	0.88	0.91	0.85	0.87
676	NASDAQ	PRFT	Fri, Aug 9, 2002	0.90	0.90	0.85	0.85
675	NASDAQ	PRFT	Wed, Aug 7, 2002	0.90	0.90	0.85	0.85
674	NASDAQ	PRFT	Tue, Aug 6, 2002	0.90	0.96	0.90	0.96
673	NASDAQ	PRFT	Mon, Aug 5, 2002	0.95	0.95	0.90	0.90
672	NASDAQ	PRFT	Fri, Aug 2, 2002	0.99	1.20	0.99	1.20
671	NASDAQ	PRFT	Tue, Jul 30, 2002	1.00	1.00	1.00	1.00
670	NASDAQ	PRFT	Mon, Jul 29, 2002	0.85	0.85	0.85	0.85
669	NASDAQ	PRFT	Wed, Jul 24, 2002	1.01	1.01	0.98	1.00
668	NASDAQ	PRFT	Mon, Jul 22, 2002	1.05	1.05	1.00	1.00
667	NASDAQ	PRFT	Fri, Jul 19, 2002	1.25	1.25	1.10	1.10
666	NASDAQ	PRFT	Wed, Jul 17, 2002	1.00	1.20	1.00	1.20
665	NASDAQ	PRFT	Tue, Jul 16, 2002	1.40	1.58	0.86	1.45
664	NASDAQ	PRFT	Mon, Jul 15, 2002	1.40	1.40	1.40	1.40
663	NASDAQ	PRFT	Fri, Jul 12, 2002	1.15	1.15	0.75	0.75
662	NASDAQ	PRFT	Wed, Jul 10, 2002	1.20	1.20	1.15	1.15
661	NASDAQ	PRFT	Tue, Jul 9, 2002	1.21	1.21	1.21	1.21
660	NASDAQ	PRFT	Wed, Jul 3, 2002	1.35	1.35	1.23	1.23
659	NASDAQ	PRFT	Tue, Jul 2, 2002	1.31	1.61	1.31	1.35
658	NASDAQ	PRFT	Mon, Jul 1, 2002	1.39	1.39	1.39	1.39
657	NASDAQ	PRFT	Fri, Jun 28, 2002	1.30	1.30	1.30	1.30
656	NASDAQ	PRFT	Thu, Jun 27, 2002	1.26	1.26	1.26	1.26
655	NASDAQ	PRFT	Wed, Jun 26, 2002	1.16	1.16	1.16	1.16
654	NASDAQ	PRFT	Tue, Jun 25, 2002	1.15	1.15	1.15	1.15
653	NASDAQ	PRFT	Mon, Jun 24, 2002	1.15	1.15	1.15	1.15
652	NASDAQ	PRFT	Fri, Jun 21, 2002	1.20	1.20	1.20	1.20
651	NASDAQ	PRFT	Thu, Jun 20, 2002	1.05	1.14	1.00	1.14
650	NASDAQ	PRFT	Wed, Jun 19, 2002	1.14	1.14	1.00	1.00
649	NASDAQ	PRFT	Tue, Jun 18, 2002	1.15	1.15	1.14	1.14
648	NASDAQ	PRFT	Fri, Jun 14, 2002	1.20	1.20	1.10	1.10
647	NASDAQ	PRFT	Wed, Jun 12, 2002	1.25	1.25	1.25	1.25
646	NASDAQ	PRFT	Mon, Jun 10, 2002	1.32	1.36	1.15	1.35
645	NASDAQ	PRFT	Fri, Jun 7, 2002	1.34	1.35	1.10	1.33
644	NASDAQ	PRFT	Thu, Jun 6, 2002	1.12	1.24	1.12	1.15
643	NASDAQ	PRFT	Wed, Jun 5, 2002	1.18	1.18	0.90	1.09
642	NASDAQ	PRFT	Tue, Jun 4, 2002	1.06	1.25	1.06	1.20
641	NASDAQ	PRFT	Mon, Jun 3, 2002	1.05	1.06	0.91	0.91
640	NASDAQ	PRFT	Fri, May 31, 2002	1.11	1.15	1.05	1.07
639	NASDAQ	PRFT	Thu, May 30, 2002	1.10	1.10	1.10	1.10
638	NASDAQ	PRFT	Tue, May 28, 2002	1.20	1.20	1.10	1.10
637	NASDAQ	PRFT	Thu, May 23, 2002	1.21	1.21	1.20	1.20
636	NASDAQ	PRFT	Mon, May 20, 2002	1.28	1.28	1.28	1.28
635	NASDAQ	PRFT	Fri, May 10, 2002	1.26	1.26	1.16	1.21
634	NASDAQ	PRFT	Wed, May 8, 2002	1.26	1.30	1.26	1.30
633	NASDAQ	PRFT	Fri, May 3, 2002	1.29	1.30	1.29	1.30
632	NASDAQ	PRFT	Thu, May 2, 2002	1.34	1.35	1.27	1.27
631	NASDAQ	PRFT	Wed, May 1, 2002	1.43	1.43	1.31	1.31
630	NASDAQ	PRFT	Tue, Apr 30, 2002	1.47	1.47	1.47	1.47
629	NASDAQ	PRFT	Mon, Apr 29, 2002	1.43	1.43	1.43	1.43
628	NASDAQ	PRFT	Fri, Apr 26, 2002	1.45	1.45	1.45	1.45
627	NASDAQ	PRFT	Thu, Apr 25, 2002	1.30	1.30	1.30	1.30
626	NASDAQ	PRFT	Fri, Apr 19, 2002	1.37	1.37	1.37	1.37
625	NASDAQ	PRFT	Thu, Apr 18, 2002	1.49	1.49	1.49	1.49
624	NASDAQ	PRFT	Wed, Apr 17, 2002	1.40	1.40	1.10	1.38
623	NASDAQ	PRFT	Tue, Apr 16, 2002	1.57	1.57	1.57	1.57
622	NASDAQ	PRFT	Mon, Apr 15, 2002	1.55	1.55	1.55	1.55
621	NASDAQ	PRFT	Thu, Apr 11, 2002	1.50	1.50	1.50	1.50
620	NASDAQ	PRFT	Wed, Apr 10, 2002	1.57	1.57	1.57	1.57
619	NASDAQ	PRFT	Tue, Apr 9, 2002	1.55	1.55	1.47	1.47
618	NASDAQ	PRFT	Mon, Apr 8, 2002	1.54	1.54	1.45	1.45
617	NASDAQ	PRFT	Fri, Apr 5, 2002	1.59	1.59	1.35	1.57
616	NASDAQ	PRFT	Thu, Apr 4, 2002	1.65	1.65	1.20	1.40
615	NASDAQ	PRFT	Wed, Apr 3, 2002	1.51	1.51	1.51	1.51
614	NASDAQ	PRFT	Mon, Apr 1, 2002	1.51	1.51	1.51	1.51
613	NASDAQ	PRFT	Wed, Mar 27, 2002	1.63	1.64	1.63	1.64
612	NASDAQ	PRFT	Tue, Mar 26, 2002	1.65	1.65	1.64	1.64
611	NASDAQ	PRFT	Mon, Mar 25, 2002	1.50	1.90	1.40	1.65
610	NASDAQ	PRFT	Wed, Mar 20, 2002	1.51	1.55	1.51	1.55
609	NASDAQ	PRFT	Tue, Mar 19, 2002	1.50	1.60	1.50	1.60
608	NASDAQ	PRFT	Mon, Mar 18, 2002	1.50	1.50	1.35	1.35
607	NASDAQ	PRFT	Fri, Mar 15, 2002	1.63	1.63	1.50	1.50
606	NASDAQ	PRFT	Thu, Mar 14, 2002	1.25	1.60	1.25	1.59
605	NASDAQ	PRFT	Tue, Mar 12, 2002	1.56	1.57	1.56	1.57
604	NASDAQ	PRFT	Mon, Mar 11, 2002	1.56	1.56	1.56	1.56
603	NASDAQ	PRFT	Fri, Mar 8, 2002	1.51	1.52	1.51	1.52
602	NASDAQ	PRFT	Thu, Mar 7, 2002	1.50	1.67	1.50	1.67
601	NASDAQ	PRFT	Wed, Mar 6, 2002	1.32	1.60	1.32	1.55
600	NASDAQ	PRFT	Tue, Mar 5, 2002	1.43	1.43	1.35	1.35
599	NASDAQ	PRFT	Mon, Mar 4, 2002	1.22	1.74	1.22	1.50
598	NASDAQ	PRFT	Fri, Mar 1, 2002	1.20	1.20	1.20	1.20
597	NASDAQ	PRFT	Thu, Feb 28, 2002	1.21	1.30	1.01	1.20
596	NASDAQ	PRFT	Wed, Feb 27, 2002	1.24	1.24	1.24	1.24
595	NASDAQ	PRFT	Tue, Feb 26, 2002	1.16	1.16	1.16	1.16
594	NASDAQ	PRFT	Mon, Feb 25, 2002	1.20	1.20	1.16	1.16
593	NASDAQ	PRFT	Fri, Feb 22, 2002	1.20	1.20	1.15	1.15
592	NASDAQ	PRFT	Thu, Feb 21, 2002	1.15	1.19	1.15	1.19
591	NASDAQ	PRFT	Wed, Feb 20, 2002	1.15	1.15	0.95	1.13
590	NASDAQ	PRFT	Tue, Feb 19, 2002	1.20	1.20	1.20	1.20
589	NASDAQ	PRFT	Thu, Feb 14, 2002	1.16	1.16	1.15	1.15
588	NASDAQ	PRFT	Tue, Feb 12, 2002	1.16	1.17	1.16	1.16
587	NASDAQ	PRFT	Mon, Feb 11, 2002	1.17	1.17	1.15	1.16
586	NASDAQ	PRFT	Fri, Feb 8, 2002	1.22	1.22	1.13	1.13
585	NASDAQ	PRFT	Thu, Feb 7, 2002	1.30	1.30	1.25	1.25
584	NASDAQ	PRFT	Wed, Feb 6, 2002	1.23	1.23	1.20	1.22
583	NASDAQ	PRFT	Tue, Feb 5, 2002	1.34	1.34	1.25	1.25
582	NASDAQ	PRFT	Mon, Feb 4, 2002	1.30	1.30	1.26	1.26
581	NASDAQ	PRFT	Fri, Feb 1, 2002	1.30	1.30	1.30	1.30
580	NASDAQ	PRFT	Thu, Jan 31, 2002	1.34	1.34	1.30	1.30
579	NASDAQ	PRFT	Wed, Jan 30, 2002	1.26	1.26	1.26	1.26
578	NASDAQ	PRFT	Tue, Jan 29, 2002	1.29	1.29	1.22	1.25
577	NASDAQ	PRFT	Mon, Jan 28, 2002	1.42	1.42	1.26	1.29
576	NASDAQ	PRFT	Fri, Jan 25, 2002	1.25	1.30	1.25	1.25
575	NASDAQ	PRFT	Thu, Jan 24, 2002	1.20	1.40	1.20	1.40
574	NASDAQ	PRFT	Fri, Jan 18, 2002	1.73	1.90	1.35	1.90
573	NASDAQ	PRFT	Thu, Jan 17, 2002	1.90	1.90	1.72	1.72
572	NASDAQ	PRFT	Wed, Jan 16, 2002	1.85	1.85	1.85	1.85
571	NASDAQ	PRFT	Tue, Jan 15, 2002	1.85	1.86	1.85	1.85
570	NASDAQ	PRFT	Mon, Jan 14, 2002	1.90	1.90	1.90	1.90
569	NASDAQ	PRFT	Fri, Jan 11, 2002	1.98	1.98	1.85	1.92
568	NASDAQ	PRFT	Thu, Jan 10, 2002	1.92	2.25	1.92	2.00
567	NASDAQ	PRFT	Wed, Jan 9, 2002	1.85	1.94	1.85	1.94
566	NASDAQ	PRFT	Tue, Jan 8, 2002	1.68	1.95	1.55	1.78
565	NASDAQ	PRFT	Mon, Jan 7, 2002	1.46	1.46	1.45	1.46
564	NASDAQ	PRFT	Fri, Jan 4, 2002	1.53	1.53	1.41	1.41
563	NASDAQ	PRFT	Thu, Jan 3, 2002	1.38	1.38	1.38	1.38
562	NASDAQ	PRFT	Wed, Jan 2, 2002	1.20	1.35	1.20	1.35
561	NASDAQ	PRFT	Mon, Dec 31, 2001	1.32	1.32	0.84	1.15
560	NASDAQ	PRFT	Fri, Dec 28, 2001	1.33	1.35	1.30	1.30
559	NASDAQ	PRFT	Thu, Dec 27, 2001	1.32	1.32	1.32	1.32
558	NASDAQ	PRFT	Wed, Dec 26, 2001	1.52	1.52	1.30	1.30
557	NASDAQ	PRFT	Fri, Dec 21, 2001	1.45	1.45	1.40	1.40
556	NASDAQ	PRFT	Thu, Dec 20, 2001	1.52	1.53	1.45	1.45
555	NASDAQ	PRFT	Wed, Dec 19, 2001	1.50	1.50	1.50	1.50
554	NASDAQ	PRFT	Tue, Dec 18, 2001	1.54	1.54	1.50	1.50
553	NASDAQ	PRFT	Mon, Dec 17, 2001	1.68	1.79	1.50	1.52
552	NASDAQ	PRFT	Fri, Dec 14, 2001	1.68	1.68	1.68	1.68
551	NASDAQ	PRFT	Thu, Dec 13, 2001	1.70	1.70	1.68	1.68
550	NASDAQ	PRFT	Wed, Dec 12, 2001	1.95	1.95	1.62	1.70
549	NASDAQ	PRFT	Tue, Dec 11, 2001	1.98	1.98	1.85	1.91
548	NASDAQ	PRFT	Mon, Dec 10, 2001	2.05	2.11	2.05	2.11
547	NASDAQ	PRFT	Thu, Dec 6, 2001	1.95	1.95	1.95	1.95
546	NASDAQ	PRFT	Wed, Dec 5, 2001	1.85	1.90	1.80	1.90
545	NASDAQ	PRFT	Tue, Dec 4, 2001	2.00	2.00	2.00	2.00
544	NASDAQ	PRFT	Mon, Dec 3, 2001	1.89	2.00	1.80	1.81
543	NASDAQ	PRFT	Thu, Nov 29, 2001	1.83	1.83	1.83	1.83
542	NASDAQ	PRFT	Mon, Nov 26, 2001	1.97	1.99	1.85	1.85
541	NASDAQ	PRFT	Wed, Nov 21, 2001	2.00	2.00	1.85	1.98
540	NASDAQ	PRFT	Tue, Nov 20, 2001	2.12	2.12	1.92	1.92
539	NASDAQ	PRFT	Mon, Nov 19, 2001	2.08	2.15	2.07	2.12
538	NASDAQ	PRFT	Fri, Nov 16, 2001	2.10	2.20	2.10	2.10
537	NASDAQ	PRFT	Thu, Nov 15, 2001	2.27	2.37	2.13	2.13
536	NASDAQ	PRFT	Wed, Nov 14, 2001	2.30	2.42	2.15	2.15
535	NASDAQ	PRFT	Tue, Nov 13, 2001	2.38	2.49	2.35	2.42
534	NASDAQ	PRFT	Mon, Nov 12, 2001	2.26	2.26	2.04	2.04
533	NASDAQ	PRFT	Fri, Nov 9, 2001	2.26	2.26	2.26	2.26
532	NASDAQ	PRFT	Thu, Nov 8, 2001	2.30	2.40	2.30	2.40
531	NASDAQ	PRFT	Wed, Nov 7, 2001	2.04	2.45	2.04	2.30
530	NASDAQ	PRFT	Tue, Nov 6, 2001	1.95	1.95	1.95	1.95
529	NASDAQ	PRFT	Mon, Nov 5, 2001	1.85	1.85	1.85	1.85
528	NASDAQ	PRFT	Thu, Nov 1, 2001	1.90	1.90	1.80	1.80
527	NASDAQ	PRFT	Wed, Oct 31, 2001	1.75	1.75	1.75	1.75
526	NASDAQ	PRFT	Tue, Oct 30, 2001	1.90	1.90	1.80	1.80
525	NASDAQ	PRFT	Fri, Oct 26, 2001	1.55	1.70	1.55	1.70
524	NASDAQ	PRFT	Wed, Oct 24, 2001	1.49	1.59	1.42	1.59
523	NASDAQ	PRFT	Tue, Oct 23, 2001	1.41	1.41	1.41	1.41
522	NASDAQ	PRFT	Mon, Oct 22, 2001	1.43	1.43	1.40	1.40
521	NASDAQ	PRFT	Fri, Oct 19, 2001	1.46	1.48	1.42	1.45
520	NASDAQ	PRFT	Mon, Oct 15, 2001	1.49	1.49	1.40	1.40
519	NASDAQ	PRFT	Fri, Oct 12, 2001	1.35	1.35	1.35	1.35
518	NASDAQ	PRFT	Mon, Oct 8, 2001	1.50	1.50	1.50	1.50
517	NASDAQ	PRFT	Thu, Oct 4, 2001	1.55	1.55	1.37	1.49
516	NASDAQ	PRFT	Wed, Oct 3, 2001	1.50	1.55	1.50	1.54
515	NASDAQ	PRFT	Tue, Oct 2, 2001	1.55	1.55	1.50	1.50
514	NASDAQ	PRFT	Mon, Oct 1, 2001	1.30	1.70	1.30	1.37
513	NASDAQ	PRFT	Fri, Sep 28, 2001	1.55	1.75	1.20	1.20
512	NASDAQ	PRFT	Thu, Sep 27, 2001	1.55	1.55	1.38	1.38
511	NASDAQ	PRFT	Wed, Sep 26, 2001	1.65	1.65	1.26	1.26
510	NASDAQ	PRFT	Tue, Sep 25, 2001	1.74	1.75	1.56	1.75
509	NASDAQ	PRFT	Mon, Sep 24, 2001	1.60	1.74	1.41	1.65
508	NASDAQ	PRFT	Fri, Sep 21, 2001	1.60	1.60	1.25	1.25
507	NASDAQ	PRFT	Thu, Sep 20, 2001	1.70	1.70	1.55	1.55
506	NASDAQ	PRFT	Wed, Sep 19, 2001	1.95	1.95	1.70	1.70
505	NASDAQ	PRFT	Tue, Sep 18, 2001	2.00	2.00	2.00	2.00
504	NASDAQ	PRFT	Mon, Sep 17, 2001	1.97	1.97	1.97	1.97
503	NASDAQ	PRFT	Mon, Sep 10, 2001	2.00	2.00	2.00	2.00
502	NASDAQ	PRFT	Fri, Sep 7, 2001	2.00	2.00	2.00	2.00
501	NASDAQ	PRFT	Thu, Sep 6, 2001	2.15	2.15	2.00	2.00
500	NASDAQ	PRFT	Wed, Sep 5, 2001	2.15	2.44	2.15	2.15
499	NASDAQ	PRFT	Tue, Sep 4, 2001	2.16	2.17	2.16	2.17
498	NASDAQ	PRFT	Fri, Aug 31, 2001	2.35	2.35	2.01	2.18
497	NASDAQ	PRFT	Thu, Aug 30, 2001	2.35	2.35	2.35	2.35
496	NASDAQ	PRFT	Wed, Aug 29, 2001	2.35	2.35	2.35	2.35
495	NASDAQ	PRFT	Tue, Aug 28, 2001	2.40	2.40	2.35	2.35
494	NASDAQ	PRFT	Mon, Aug 27, 2001	2.53	2.53	2.53	2.53
493	NASDAQ	PRFT	Fri, Aug 24, 2001	2.50	2.50	2.40	2.40
492	NASDAQ	PRFT	Thu, Aug 23, 2001	2.50	2.50	2.50	2.50
491	NASDAQ	PRFT	Wed, Aug 22, 2001	2.50	2.50	2.50	2.50
490	NASDAQ	PRFT	Tue, Aug 21, 2001	2.73	2.74	2.53	2.53
489	NASDAQ	PRFT	Mon, Aug 20, 2001	2.60	2.60	2.60	2.60
488	NASDAQ	PRFT	Fri, Aug 17, 2001	2.70	2.70	2.70	2.70
487	NASDAQ	PRFT	Thu, Aug 16, 2001	2.65	2.71	2.50	2.61
486	NASDAQ	PRFT	Wed, Aug 15, 2001	2.70	2.85	2.70	2.85
485	NASDAQ	PRFT	Tue, Aug 14, 2001	2.85	2.85	2.85	2.85
484	NASDAQ	PRFT	Mon, Aug 13, 2001	2.90	2.90	2.65	2.65
483	NASDAQ	PRFT	Fri, Aug 10, 2001	2.70	2.70	2.70	2.70
482	NASDAQ	PRFT	Thu, Aug 9, 2001	2.71	2.71	2.70	2.70
481	NASDAQ	PRFT	Tue, Aug 7, 2001	2.80	2.80	2.50	2.77
480	NASDAQ	PRFT	Thu, Aug 2, 2001	3.00	3.00	3.00	3.00
479	NASDAQ	PRFT	Wed, Aug 1, 2001	3.00	3.00	3.00	3.00
478	NASDAQ	PRFT	Mon, Jul 30, 2001	2.75	3.00	2.75	3.00
477	NASDAQ	PRFT	Fri, Jul 27, 2001	2.75	3.00	2.75	3.00
476	NASDAQ	PRFT	Wed, Jul 25, 2001	2.75	2.75	2.75	2.75
475	NASDAQ	PRFT	Mon, Jul 23, 2001	3.25	3.25	2.83	2.83
474	NASDAQ	PRFT	Thu, Jul 19, 2001	3.07	3.08	3.06	3.08
473	NASDAQ	PRFT	Wed, Jul 18, 2001	3.10	3.30	3.10	3.30
472	NASDAQ	PRFT	Tue, Jul 17, 2001	2.95	3.10	2.95	3.00
471	NASDAQ	PRFT	Mon, Jul 16, 2001	3.23	3.23	2.98	2.98
470	NASDAQ	PRFT	Fri, Jul 13, 2001	3.23	3.23	3.23	3.23
469	NASDAQ	PRFT	Wed, Jul 11, 2001	3.40	3.40	3.38	3.38
468	NASDAQ	PRFT	Tue, Jul 10, 2001	3.40	3.40	3.40	3.40
467	NASDAQ	PRFT	Fri, Jul 6, 2001	3.41	3.55	3.41	3.55
466	NASDAQ	PRFT	Thu, Jul 5, 2001	3.40	3.40	3.40	3.40
465	NASDAQ	PRFT	Thu, Jun 28, 2001	3.53	3.53	3.38	3.38
464	NASDAQ	PRFT	Tue, Jun 26, 2001	3.38	3.38	3.38	3.38
463	NASDAQ	PRFT	Mon, Jun 25, 2001	3.38	3.38	3.38	3.38
462	NASDAQ	PRFT	Wed, Jun 20, 2001	3.55	3.55	3.55	3.55
461	NASDAQ	PRFT	Tue, Jun 19, 2001	3.40	3.40	3.39	3.39
460	NASDAQ	PRFT	Mon, Jun 18, 2001	3.50	3.50	3.50	3.50
459	NASDAQ	PRFT	Fri, Jun 15, 2001	3.39	3.39	3.38	3.38
458	NASDAQ	PRFT	Thu, Jun 14, 2001	3.45	3.45	3.40	3.40
457	NASDAQ	PRFT	Tue, Jun 12, 2001	3.50	3.50	3.50	3.50
456	NASDAQ	PRFT	Mon, Jun 11, 2001	3.75	3.75	3.40	3.40
455	NASDAQ	PRFT	Fri, Jun 8, 2001	3.75	3.75	3.75	3.75
454	NASDAQ	PRFT	Thu, Jun 7, 2001	3.55	3.55	3.55	3.55
453	NASDAQ	PRFT	Tue, Jun 5, 2001	3.38	3.45	3.38	3.45
452	NASDAQ	PRFT	Fri, Jun 1, 2001	3.55	3.55	3.55	3.55
451	NASDAQ	PRFT	Thu, May 31, 2001	3.50	3.50	3.40	3.50
450	NASDAQ	PRFT	Wed, May 30, 2001	3.56	3.60	3.45	3.55
449	NASDAQ	PRFT	Tue, May 29, 2001	4.00	4.00	3.60	3.65
448	NASDAQ	PRFT	Fri, May 25, 2001	3.96	3.96	3.96	3.96
447	NASDAQ	PRFT	Thu, May 24, 2001	3.96	4.00	3.96	4.00
446	NASDAQ	PRFT	Mon, May 21, 2001	4.25	4.25	4.00	4.00
445	NASDAQ	PRFT	Fri, May 18, 2001	4.40	4.40	3.95	4.00
444	NASDAQ	PRFT	Tue, May 15, 2001	4.49	4.49	4.49	4.49
443	NASDAQ	PRFT	Mon, May 14, 2001	4.30	4.40	4.02	4.10
442	NASDAQ	PRFT	Fri, May 11, 2001	4.38	4.38	4.30	4.30
441	NASDAQ	PRFT	Thu, May 10, 2001	4.82	4.82	4.45	4.45
440	NASDAQ	PRFT	Tue, May 8, 2001	4.44	4.47	4.43	4.45
439	NASDAQ	PRFT	Fri, May 4, 2001	4.40	4.82	4.40	4.50
438	NASDAQ	PRFT	Thu, May 3, 2001	4.20	4.50	4.20	4.30
437	NASDAQ	PRFT	Wed, May 2, 2001	4.00	4.40	4.00	4.40
436	NASDAQ	PRFT	Tue, May 1, 2001	4.03	4.29	4.00	4.29
435	NASDAQ	PRFT	Mon, Apr 30, 2001	4.00	4.00	4.00	4.00
434	NASDAQ	PRFT	Fri, Apr 27, 2001	4.00	4.13	4.00	4.10
433	NASDAQ	PRFT	Thu, Apr 26, 2001	3.85	4.05	3.78	4.05
432	NASDAQ	PRFT	Wed, Apr 25, 2001	4.24	4.25	4.04	4.04
431	NASDAQ	PRFT	Tue, Apr 24, 2001	3.63	4.18	3.63	4.18
430	NASDAQ	PRFT	Mon, Apr 23, 2001	3.45	3.55	3.20	3.55
429	NASDAQ	PRFT	Fri, Apr 20, 2001	3.13	3.45	3.07	3.45
428	NASDAQ	PRFT	Thu, Apr 19, 2001	3.01	3.18	3.01	3.18
427	NASDAQ	PRFT	Wed, Apr 18, 2001	2.94	3.10	2.94	3.00
426	NASDAQ	PRFT	Tue, Apr 17, 2001	2.95	2.95	2.95	2.95
425	NASDAQ	PRFT	Mon, Apr 16, 2001	2.95	2.95	2.95	2.95
424	NASDAQ	PRFT	Wed, Apr 11, 2001	2.95	2.95	2.95	2.95
423	NASDAQ	PRFT	Tue, Apr 10, 2001	3.00	3.00	2.90	2.95
422	NASDAQ	PRFT	Mon, Apr 9, 2001	2.95	3.00	2.95	2.95
421	NASDAQ	PRFT	Fri, Apr 6, 2001	3.00	3.03	2.91	2.94
420	NASDAQ	PRFT	Thu, Apr 5, 2001	2.91	2.97	2.88	2.97
419	NASDAQ	PRFT	Wed, Apr 4, 2001	2.94	3.00	2.88	3.00
418	NASDAQ	PRFT	Tue, Apr 3, 2001	2.50	3.50	2.50	3.00
417	NASDAQ	PRFT	Mon, Apr 2, 2001	2.88	3.13	2.50	2.50
416	NASDAQ	PRFT	Fri, Mar 30, 2001	3.38	3.69	2.44	2.73
415	NASDAQ	PRFT	Thu, Mar 29, 2001	4.00	4.00	3.19	3.38
414	NASDAQ	PRFT	Wed, Mar 28, 2001	3.95	4.00	3.95	4.00
413	NASDAQ	PRFT	Tue, Mar 27, 2001	4.63	4.63	3.75	3.75
412	NASDAQ	PRFT	Mon, Mar 26, 2001	4.50	4.50	4.50	4.50
411	NASDAQ	PRFT	Fri, Mar 23, 2001	4.88	5.00	4.50	4.81
410	NASDAQ	PRFT	Thu, Mar 22, 2001	4.88	4.88	4.75	4.75
409	NASDAQ	PRFT	Wed, Mar 21, 2001	5.00	5.00	4.00	4.75
408	NASDAQ	PRFT	Tue, Mar 20, 2001	5.00	5.00	4.75	4.75
407	NASDAQ	PRFT	Mon, Mar 19, 2001	5.00	5.00	5.00	5.00
406	NASDAQ	PRFT	Fri, Mar 16, 2001	5.00	5.13	4.94	4.94
405	NASDAQ	PRFT	Thu, Mar 15, 2001	5.48	5.48	5.00	5.00
404	NASDAQ	PRFT	Wed, Mar 14, 2001	5.00	5.38	5.00	5.25
403	NASDAQ	PRFT	Tue, Mar 13, 2001	4.63	5.06	4.50	5.06
402	NASDAQ	PRFT	Mon, Mar 12, 2001	4.50	4.50	3.75	4.50
401	NASDAQ	PRFT	Fri, Mar 9, 2001	4.75	4.77	4.75	4.75
400	NASDAQ	PRFT	Thu, Mar 8, 2001	4.69	4.69	4.69	4.69
399	NASDAQ	PRFT	Wed, Mar 7, 2001	5.00	5.00	4.50	4.69
398	NASDAQ	PRFT	Tue, Mar 6, 2001	5.02	5.02	5.00	5.00
397	NASDAQ	PRFT	Mon, Mar 5, 2001	4.75	5.25	4.63	5.00
396	NASDAQ	PRFT	Fri, Mar 2, 2001	4.88	5.22	4.50	4.50
395	NASDAQ	PRFT	Thu, Mar 1, 2001	5.28	5.34	4.88	5.13
394	NASDAQ	PRFT	Wed, Feb 28, 2001	6.06	6.06	5.28	5.50
393	NASDAQ	PRFT	Tue, Feb 27, 2001	6.38	6.38	6.06	6.06
392	NASDAQ	PRFT	Mon, Feb 26, 2001	6.00	6.88	6.00	6.44
391	NASDAQ	PRFT	Fri, Feb 23, 2001	6.00	6.00	5.63	6.00
390	NASDAQ	PRFT	Thu, Feb 22, 2001	5.63	6.00	5.63	5.75
389	NASDAQ	PRFT	Wed, Feb 21, 2001	5.88	5.88	5.50	5.63
388	NASDAQ	PRFT	Tue, Feb 20, 2001	6.13	6.38	5.88	5.88
387	NASDAQ	PRFT	Fri, Feb 16, 2001	6.13	6.44	5.88	5.88
386	NASDAQ	PRFT	Thu, Feb 15, 2001	6.63	6.63	6.25	6.25
385	NASDAQ	PRFT	Tue, Feb 13, 2001	7.00	7.00	6.75	7.00
384	NASDAQ	PRFT	Mon, Feb 12, 2001	6.75	7.25	6.75	7.00
383	NASDAQ	PRFT	Fri, Feb 9, 2001	6.53	7.00	6.53	7.00
382	NASDAQ	PRFT	Thu, Feb 8, 2001	6.52	6.94	6.50	6.94
381	NASDAQ	PRFT	Wed, Feb 7, 2001	5.88	6.50	5.88	6.50
380	NASDAQ	PRFT	Mon, Feb 5, 2001	6.50	6.50	6.50	6.50
379	NASDAQ	PRFT	Fri, Feb 2, 2001	6.50	6.75	5.88	6.75
378	NASDAQ	PRFT	Thu, Feb 1, 2001	6.50	6.88	6.50	6.88
377	NASDAQ	PRFT	Wed, Jan 31, 2001	7.25	7.63	7.00	7.00
376	NASDAQ	PRFT	Tue, Jan 30, 2001	6.81	7.63	6.81	7.63
375	NASDAQ	PRFT	Mon, Jan 29, 2001	7.00	7.56	7.00	7.56
374	NASDAQ	PRFT	Fri, Jan 26, 2001	7.50	7.56	7.00	7.56
373	NASDAQ	PRFT	Thu, Jan 25, 2001	7.88	7.88	7.44	7.44
372	NASDAQ	PRFT	Wed, Jan 24, 2001	7.44	7.94	7.38	7.50
371	NASDAQ	PRFT	Tue, Jan 23, 2001	7.19	7.94	7.19	7.50
370	NASDAQ	PRFT	Mon, Jan 22, 2001	7.94	7.94	7.25	7.50
369	NASDAQ	PRFT	Fri, Jan 19, 2001	7.25	7.88	7.25	7.50
368	NASDAQ	PRFT	Thu, Jan 18, 2001	6.88	7.50	6.88	7.50
367	NASDAQ	PRFT	Wed, Jan 17, 2001	7.25	7.50	6.50	7.50
366	NASDAQ	PRFT	Tue, Jan 16, 2001	7.75	7.75	7.75	7.75
365	NASDAQ	PRFT	Fri, Jan 12, 2001	6.75	7.88	6.75	7.88
364	NASDAQ	PRFT	Thu, Jan 11, 2001	8.00	8.00	6.81	7.56
363	NASDAQ	PRFT	Wed, Jan 10, 2001	7.50	7.88	7.50	7.88
362	NASDAQ	PRFT	Tue, Jan 9, 2001	7.75	7.88	7.50	7.88
361	NASDAQ	PRFT	Mon, Jan 8, 2001	8.00	8.00	7.56	8.00
360	NASDAQ	PRFT	Thu, Jan 4, 2001	7.25	8.00	7.25	8.00
359	NASDAQ	PRFT	Wed, Jan 3, 2001	6.19	7.00	6.19	7.00
358	NASDAQ	PRFT	Tue, Jan 2, 2001	6.00	6.69	6.00	6.69
357	NASDAQ	PRFT	Fri, Dec 29, 2000	5.88	6.50	5.88	6.00
356	NASDAQ	PRFT	Thu, Dec 28, 2000	5.69	6.63	5.00	6.38
355	NASDAQ	PRFT	Wed, Dec 27, 2000	6.00	6.13	5.63	5.63
354	NASDAQ	PRFT	Tue, Dec 26, 2000	6.13	6.13	6.00	6.00
353	NASDAQ	PRFT	Fri, Dec 22, 2000	6.06	6.63	6.06	6.63
352	NASDAQ	PRFT	Thu, Dec 21, 2000	6.06	7.31	6.06	6.63
351	NASDAQ	PRFT	Wed, Dec 20, 2000	6.63	7.31	6.13	7.25
350	NASDAQ	PRFT	Tue, Dec 19, 2000	6.75	7.13	6.50	7.13
349	NASDAQ	PRFT	Mon, Dec 18, 2000	6.88	7.13	6.88	7.13
348	NASDAQ	PRFT	Fri, Dec 15, 2000	7.38	7.50	7.00	7.50
347	NASDAQ	PRFT	Thu, Dec 14, 2000	7.50	7.50	7.38	7.38
346	NASDAQ	PRFT	Wed, Dec 13, 2000	7.38	7.75	7.38	7.63
345	NASDAQ	PRFT	Tue, Dec 12, 2000	7.75	7.94	7.75	7.94
344	NASDAQ	PRFT	Mon, Dec 11, 2000	8.19	8.38	7.75	7.75
343	NASDAQ	PRFT	Fri, Dec 8, 2000	8.00	8.00	7.88	7.88
342	NASDAQ	PRFT	Thu, Dec 7, 2000	8.00	8.00	7.75	8.00
341	NASDAQ	PRFT	Wed, Dec 6, 2000	8.56	8.63	7.75	8.63
340	NASDAQ	PRFT	Tue, Dec 5, 2000	8.00	9.00	8.00	8.63
339	NASDAQ	PRFT	Mon, Dec 4, 2000	8.75	8.75	7.75	8.00
338	NASDAQ	PRFT	Fri, Dec 1, 2000	8.00	8.50	7.38	8.00
337	NASDAQ	PRFT	Thu, Nov 30, 2000	9.13	9.13	7.75	9.00
336	NASDAQ	PRFT	Wed, Nov 29, 2000	9.00	9.75	8.63	9.75
335	NASDAQ	PRFT	Tue, Nov 28, 2000	10.00	10.25	9.00	9.63
334	NASDAQ	PRFT	Mon, Nov 27, 2000	10.00	10.63	10.00	10.63
333	NASDAQ	PRFT	Fri, Nov 24, 2000	10.50	10.63	10.50	10.63
332	NASDAQ	PRFT	Wed, Nov 22, 2000	10.00	10.75	7.00	10.50
331	NASDAQ	PRFT	Tue, Nov 21, 2000	10.06	11.00	10.00	11.00
330	NASDAQ	PRFT	Mon, Nov 20, 2000	11.06	11.06	11.00	11.00
329	NASDAQ	PRFT	Fri, Nov 17, 2000	10.75	12.00	10.50	12.00
328	NASDAQ	PRFT	Thu, Nov 16, 2000	11.19	12.00	10.50	12.00
327	NASDAQ	PRFT	Wed, Nov 15, 2000	12.25	12.25	11.63	12.25
326	NASDAQ	PRFT	Tue, Nov 14, 2000	11.69	12.25	11.13	12.25
325	NASDAQ	PRFT	Mon, Nov 13, 2000	11.75	12.00	11.13	12.00
324	NASDAQ	PRFT	Fri, Nov 10, 2000	11.75	11.75	11.75	11.75
323	NASDAQ	PRFT	Thu, Nov 9, 2000	11.00	11.88	11.00	11.75
322	NASDAQ	PRFT	Wed, Nov 8, 2000	11.13	12.25	10.88	11.75
321	NASDAQ	PRFT	Tue, Nov 7, 2000	11.75	12.50	11.00	11.25
320	NASDAQ	PRFT	Mon, Nov 6, 2000	13.38	13.44	11.88	13.00
319	NASDAQ	PRFT	Fri, Nov 3, 2000	14.63	14.63	13.25	13.38
318	NASDAQ	PRFT	Thu, Nov 2, 2000	13.88	14.63	13.56	13.88
317	NASDAQ	PRFT	Wed, Nov 1, 2000	13.00	13.50	13.00	13.50
316	NASDAQ	PRFT	Tue, Oct 31, 2000	13.25	13.31	12.25	12.75
315	NASDAQ	PRFT	Mon, Oct 30, 2000	12.63	13.25	12.63	13.25
314	NASDAQ	PRFT	Fri, Oct 27, 2000	13.38	13.38	12.00	13.31
313	NASDAQ	PRFT	Thu, Oct 26, 2000	13.31	13.75	13.31	13.75
312	NASDAQ	PRFT	Wed, Oct 25, 2000	13.75	14.00	13.13	14.00
311	NASDAQ	PRFT	Tue, Oct 24, 2000	14.00	14.31	13.50	13.88
310	NASDAQ	PRFT	Mon, Oct 23, 2000	13.25	14.00	13.25	14.00
309	NASDAQ	PRFT	Fri, Oct 20, 2000	13.25	14.50	12.75	14.00
308	NASDAQ	PRFT	Thu, Oct 19, 2000	12.75	14.44	12.75	14.44
307	NASDAQ	PRFT	Wed, Oct 18, 2000	13.50	14.00	11.50	12.50
306	NASDAQ	PRFT	Tue, Oct 17, 2000	14.56	14.56	13.00	13.00
305	NASDAQ	PRFT	Mon, Oct 16, 2000	14.00	14.50	13.25	14.25
304	NASDAQ	PRFT	Fri, Oct 13, 2000	13.00	14.00	13.00	14.00
303	NASDAQ	PRFT	Thu, Oct 12, 2000	13.50	13.75	12.75	13.63
302	NASDAQ	PRFT	Wed, Oct 11, 2000	14.00	14.00	13.44	14.00
301	NASDAQ	PRFT	Tue, Oct 10, 2000	14.13	14.63	14.13	14.63
300	NASDAQ	PRFT	Mon, Oct 9, 2000	14.06	14.75	14.00	14.50
299	NASDAQ	PRFT	Fri, Oct 6, 2000	15.13	15.13	14.00	15.00
298	NASDAQ	PRFT	Thu, Oct 5, 2000	15.75	15.75	15.00	15.25
297	NASDAQ	PRFT	Wed, Oct 4, 2000	16.00	17.00	15.75	16.25
296	NASDAQ	PRFT	Tue, Oct 3, 2000	17.13	17.13	16.00	16.25
295	NASDAQ	PRFT	Mon, Oct 2, 2000	19.38	19.38	16.38	17.00
294	NASDAQ	PRFT	Fri, Sep 29, 2000	15.00	18.13	14.63	18.00
293	NASDAQ	PRFT	Thu, Sep 28, 2000	14.38	15.00	14.00	15.00
292	NASDAQ	PRFT	Wed, Sep 27, 2000	13.88	14.25	13.63	13.81
291	NASDAQ	PRFT	Tue, Sep 26, 2000	14.38	14.75	13.69	13.81
290	NASDAQ	PRFT	Mon, Sep 25, 2000	12.13	14.75	11.38	14.38
289	NASDAQ	PRFT	Fri, Sep 22, 2000	11.69	12.13	11.38	12.13
288	NASDAQ	PRFT	Thu, Sep 21, 2000	12.00	12.00	11.63	11.88
287	NASDAQ	PRFT	Wed, Sep 20, 2000	11.88	12.00	11.38	12.00
286	NASDAQ	PRFT	Tue, Sep 19, 2000	11.13	11.88	11.13	11.88
285	NASDAQ	PRFT	Mon, Sep 18, 2000	11.56	11.63	11.44	11.44
284	NASDAQ	PRFT	Fri, Sep 15, 2000	11.88	12.63	11.50	12.00
283	NASDAQ	PRFT	Thu, Sep 14, 2000	11.75	11.75	11.50	11.50
282	NASDAQ	PRFT	Wed, Sep 13, 2000	11.44	11.75	11.25	11.75
281	NASDAQ	PRFT	Tue, Sep 12, 2000	12.50	12.50	11.50	11.50
280	NASDAQ	PRFT	Mon, Sep 11, 2000	11.50	12.50	11.50	12.38
279	NASDAQ	PRFT	Fri, Sep 8, 2000	11.75	11.81	11.56	11.81
278	NASDAQ	PRFT	Thu, Sep 7, 2000	12.38	12.38	12.38	12.38
277	NASDAQ	PRFT	Wed, Sep 6, 2000	12.00	13.00	11.25	12.75
276	NASDAQ	PRFT	Tue, Sep 5, 2000	11.25	12.00	11.25	12.00
275	NASDAQ	PRFT	Fri, Sep 1, 2000	12.50	12.56	11.88	11.88
274	NASDAQ	PRFT	Thu, Aug 31, 2000	13.13	13.38	12.88	13.25
273	NASDAQ	PRFT	Wed, Aug 30, 2000	13.13	13.13	12.75	13.00
272	NASDAQ	PRFT	Tue, Aug 29, 2000	12.75	13.25	12.56	13.00
271	NASDAQ	PRFT	Mon, Aug 28, 2000	12.50	13.38	12.50	13.25
270	NASDAQ	PRFT	Fri, Aug 25, 2000	12.38	12.88	11.13	12.63
269	NASDAQ	PRFT	Thu, Aug 24, 2000	12.00	12.63	11.50	12.63
268	NASDAQ	PRFT	Wed, Aug 23, 2000	12.00	12.00	11.19	12.00
267	NASDAQ	PRFT	Tue, Aug 22, 2000	12.13	12.75	12.06	12.75
266	NASDAQ	PRFT	Fri, Aug 18, 2000	12.88	13.00	12.25	13.00
265	NASDAQ	PRFT	Thu, Aug 17, 2000	13.13	13.13	12.38	12.88
264	NASDAQ	PRFT	Wed, Aug 16, 2000	12.75	12.75	12.75	12.75
263	NASDAQ	PRFT	Tue, Aug 15, 2000	12.94	13.25	12.50	13.25
262	NASDAQ	PRFT	Mon, Aug 14, 2000	12.50	13.00	12.50	13.00
261	NASDAQ	PRFT	Fri, Aug 11, 2000	12.13	12.13	12.13	12.13
260	NASDAQ	PRFT	Thu, Aug 10, 2000	13.00	13.00	13.00	13.00
259	NASDAQ	PRFT	Wed, Aug 9, 2000	12.88	13.00	12.13	12.38
258	NASDAQ	PRFT	Tue, Aug 8, 2000	12.44	12.44	12.31	12.31
257	NASDAQ	PRFT	Mon, Aug 7, 2000	10.50	13.00	10.50	12.88
256	NASDAQ	PRFT	Fri, Aug 4, 2000	10.56	11.25	9.69	11.25
255	NASDAQ	PRFT	Thu, Aug 3, 2000	10.50	11.00	10.50	10.75
254	NASDAQ	PRFT	Wed, Aug 2, 2000	10.00	10.38	9.38	10.38
253	NASDAQ	PRFT	Mon, Jul 31, 2000	9.56	11.38	9.50	10.38
252	NASDAQ	PRFT	Fri, Jul 28, 2000	9.63	11.88	8.94	11.31
251	NASDAQ	PRFT	Thu, Jul 27, 2000	10.75	10.75	9.19	10.00
250	NASDAQ	PRFT	Wed, Jul 26, 2000	11.13	11.25	10.50	10.75
249	NASDAQ	PRFT	Tue, Jul 25, 2000	11.44	11.50	10.31	10.31
248	NASDAQ	PRFT	Mon, Jul 24, 2000	11.88	11.88	11.13	11.19
247	NASDAQ	PRFT	Fri, Jul 21, 2000	11.25	11.38	10.81	11.38
246	NASDAQ	PRFT	Thu, Jul 20, 2000	11.50	11.63	11.00	11.50
245	NASDAQ	PRFT	Wed, Jul 19, 2000	10.75	12.38	10.75	12.38
244	NASDAQ	PRFT	Tue, Jul 18, 2000	11.44	11.50	10.88	10.88
243	NASDAQ	PRFT	Mon, Jul 17, 2000	12.50	12.50	11.38	11.75
242	NASDAQ	PRFT	Fri, Jul 14, 2000	11.88	13.00	11.88	12.50
241	NASDAQ	PRFT	Thu, Jul 13, 2000	12.25	12.88	12.25	12.88
240	NASDAQ	PRFT	Wed, Jul 12, 2000	12.56	12.56	11.13	12.13
239	NASDAQ	PRFT	Tue, Jul 11, 2000	13.50	13.50	12.50	13.50
238	NASDAQ	PRFT	Mon, Jul 10, 2000	14.00	14.00	13.00	14.00
237	NASDAQ	PRFT	Fri, Jul 7, 2000	14.00	14.00	14.00	14.00
236	NASDAQ	PRFT	Thu, Jul 6, 2000	13.88	13.88	13.50	13.56
235	NASDAQ	PRFT	Wed, Jul 5, 2000	13.81	13.81	13.81	13.81
234	NASDAQ	PRFT	Mon, Jul 3, 2000	14.13	14.13	14.00	14.00
233	NASDAQ	PRFT	Fri, Jun 30, 2000	13.75	14.00	13.50	14.00
232	NASDAQ	PRFT	Thu, Jun 29, 2000	14.00	14.00	14.00	14.00
231	NASDAQ	PRFT	Wed, Jun 28, 2000	13.50	14.38	13.50	14.00
230	NASDAQ	PRFT	Tue, Jun 27, 2000	14.00	14.63	14.00	14.63
229	NASDAQ	PRFT	Mon, Jun 26, 2000	14.25	14.75	13.31	14.00
228	NASDAQ	PRFT	Fri, Jun 23, 2000	14.25	14.25	13.50	13.50
227	NASDAQ	PRFT	Thu, Jun 22, 2000	14.50	14.50	14.25	14.50
226	NASDAQ	PRFT	Wed, Jun 21, 2000	13.75	14.50	13.75	14.50
225	NASDAQ	PRFT	Tue, Jun 20, 2000	13.50	15.00	13.19	13.25
224	NASDAQ	PRFT	Mon, Jun 19, 2000	13.50	14.00	13.19	14.00
223	NASDAQ	PRFT	Fri, Jun 16, 2000	13.25	13.88	13.25	13.88
222	NASDAQ	PRFT	Tue, Jun 13, 2000	13.13	14.00	13.13	14.00
221	NASDAQ	PRFT	Mon, Jun 12, 2000	14.06	14.75	13.38	13.38
220	NASDAQ	PRFT	Fri, Jun 9, 2000	13.38	14.00	13.38	14.00
219	NASDAQ	PRFT	Thu, Jun 8, 2000	14.00	14.00	13.50	13.50
218	NASDAQ	PRFT	Wed, Jun 7, 2000	14.00	14.00	13.88	13.88
217	NASDAQ	PRFT	Tue, Jun 6, 2000	13.50	14.13	13.50	14.13
216	NASDAQ	PRFT	Mon, Jun 5, 2000	13.63	13.75	13.38	13.75
215	NASDAQ	PRFT	Fri, Jun 2, 2000	13.75	14.00	13.13	14.00
214	NASDAQ	PRFT	Thu, Jun 1, 2000	12.88	13.75	12.88	13.38
213	NASDAQ	PRFT	Wed, May 31, 2000	12.75	13.00	11.00	13.00
212	NASDAQ	PRFT	Tue, May 30, 2000	13.06	13.50	12.75	12.75
211	NASDAQ	PRFT	Fri, May 26, 2000	12.50	13.63	12.13	12.97
210	NASDAQ	PRFT	Thu, May 25, 2000	13.06	13.69	12.75	13.50
209	NASDAQ	PRFT	Wed, May 24, 2000	13.25	13.63	13.06	13.63
208	NASDAQ	PRFT	Tue, May 23, 2000	14.50	14.50	13.13	14.38
207	NASDAQ	PRFT	Mon, May 22, 2000	14.06	15.13	13.38	15.13
206	NASDAQ	PRFT	Fri, May 19, 2000	14.00	14.63	13.50	14.50
205	NASDAQ	PRFT	Thu, May 18, 2000	14.25	15.00	14.19	15.00
204	NASDAQ	PRFT	Wed, May 17, 2000	14.88	16.00	14.13	16.00
203	NASDAQ	PRFT	Tue, May 16, 2000	15.13	15.25	14.50	15.25
202	NASDAQ	PRFT	Mon, May 15, 2000	15.44	15.44	13.88	15.13
201	NASDAQ	PRFT	Fri, May 12, 2000	15.50	15.50	15.00	15.50
200	NASDAQ	PRFT	Thu, May 11, 2000	15.50	16.31	15.50	16.31
199	NASDAQ	PRFT	Wed, May 10, 2000	15.25	16.38	14.75	16.38
198	NASDAQ	PRFT	Tue, May 9, 2000	16.88	16.88	16.50	16.88
197	NASDAQ	PRFT	Mon, May 8, 2000	16.50	17.06	15.25	17.06
196	NASDAQ	PRFT	Fri, May 5, 2000	17.25	17.50	16.75	16.88
195	NASDAQ	PRFT	Thu, May 4, 2000	17.25	17.25	17.25	17.25
194	NASDAQ	PRFT	Wed, May 3, 2000	18.50	18.50	17.25	18.00
193	NASDAQ	PRFT	Tue, May 2, 2000	17.75	18.75	17.50	18.75
192	NASDAQ	PRFT	Mon, May 1, 2000	17.14	18.38	17.13	18.38
191	NASDAQ	PRFT	Fri, Apr 28, 2000	18.00	18.50	17.56	18.50
190	NASDAQ	PRFT	Thu, Apr 27, 2000	17.50	17.88	17.25	17.88
189	NASDAQ	PRFT	Wed, Apr 26, 2000	18.97	18.97	17.00	18.00
188	NASDAQ	PRFT	Tue, Apr 25, 2000	19.50	19.50	18.25	18.63
187	NASDAQ	PRFT	Mon, Apr 24, 2000	17.75	19.00	16.00	18.50
186	NASDAQ	PRFT	Thu, Apr 20, 2000	18.94	19.00	17.13	18.44
185	NASDAQ	PRFT	Wed, Apr 19, 2000	15.50	17.00	13.63	17.00
184	NASDAQ	PRFT	Tue, Apr 18, 2000	13.00	15.75	13.00	15.50
183	NASDAQ	PRFT	Mon, Apr 17, 2000	13.81	16.25	13.00	15.63
182	NASDAQ	PRFT	Fri, Apr 14, 2000	16.00	17.50	12.00	16.75
181	NASDAQ	PRFT	Thu, Apr 13, 2000	18.00	18.50	16.31	18.50
180	NASDAQ	PRFT	Wed, Apr 12, 2000	19.00	19.00	17.50	18.50
179	NASDAQ	PRFT	Tue, Apr 11, 2000	19.50	19.88	17.06	18.25
178	NASDAQ	PRFT	Mon, Apr 10, 2000	19.81	20.75	19.75	20.00
177	NASDAQ	PRFT	Fri, Apr 7, 2000	19.88	20.25	19.25	20.25
176	NASDAQ	PRFT	Thu, Apr 6, 2000	17.00	20.50	17.00	20.50
175	NASDAQ	PRFT	Wed, Apr 5, 2000	17.56	19.00	16.25	19.00
174	NASDAQ	PRFT	Tue, Apr 4, 2000	18.13	18.75	15.75	18.00
173	NASDAQ	PRFT	Mon, Apr 3, 2000	21.00	21.00	17.50	18.75
172	NASDAQ	PRFT	Fri, Mar 31, 2000	20.09	21.50	19.88	19.88
171	NASDAQ	PRFT	Thu, Mar 30, 2000	21.81	21.81	20.00	20.50
170	NASDAQ	PRFT	Wed, Mar 29, 2000	23.75	23.75	21.88	21.88
169	NASDAQ	PRFT	Tue, Mar 28, 2000	23.88	24.00	23.63	24.00
168	NASDAQ	PRFT	Mon, Mar 27, 2000	22.81	24.88	22.81	24.00
167	NASDAQ	PRFT	Fri, Mar 24, 2000	21.44	23.00	21.25	23.00
166	NASDAQ	PRFT	Thu, Mar 23, 2000	21.69	21.75	20.81	21.75
165	NASDAQ	PRFT	Wed, Mar 22, 2000	20.25	21.00	20.25	21.00
164	NASDAQ	PRFT	Tue, Mar 21, 2000	20.25	22.63	20.25	22.63
163	NASDAQ	PRFT	Mon, Mar 20, 2000	21.75	23.75	20.19	22.63
162	NASDAQ	PRFT	Fri, Mar 17, 2000	20.50	21.50	20.19	21.50
161	NASDAQ	PRFT	Thu, Mar 16, 2000	20.00	20.75	19.81	20.00
160	NASDAQ	PRFT	Wed, Mar 15, 2000	21.00	21.50	19.75	21.00
159	NASDAQ	PRFT	Tue, Mar 14, 2000	20.38	21.25	19.25	21.00
158	NASDAQ	PRFT	Mon, Mar 13, 2000	19.50	20.50	19.00	20.50
157	NASDAQ	PRFT	Fri, Mar 10, 2000	21.31	22.75	20.88	22.00
156	NASDAQ	PRFT	Thu, Mar 9, 2000	19.69	21.50	19.69	21.00
155	NASDAQ	PRFT	Wed, Mar 8, 2000	20.88	20.88	19.81	19.88
154	NASDAQ	PRFT	Tue, Mar 7, 2000	21.50	21.50	19.13	19.56
153	NASDAQ	PRFT	Mon, Mar 6, 2000	21.13	21.75	21.00	21.25
152	NASDAQ	PRFT	Fri, Mar 3, 2000	23.06	23.38	20.75	21.00
151	NASDAQ	PRFT	Thu, Mar 2, 2000	21.88	23.00	21.25	22.75
150	NASDAQ	PRFT	Wed, Mar 1, 2000	21.13	22.25	20.81	21.75
149	NASDAQ	PRFT	Tue, Feb 29, 2000	21.50	22.38	21.00	21.50
148	NASDAQ	PRFT	Mon, Feb 28, 2000	22.00	22.25	20.75	21.88
147	NASDAQ	PRFT	Fri, Feb 25, 2000	23.25	23.75	21.38	22.25
146	NASDAQ	PRFT	Thu, Feb 24, 2000	23.94	24.63	23.13	23.75
145	NASDAQ	PRFT	Wed, Feb 23, 2000	25.00	25.50	22.69	24.63
144	NASDAQ	PRFT	Tue, Feb 22, 2000	26.00	26.13	24.38	24.88
143	NASDAQ	PRFT	Fri, Feb 18, 2000	26.50	26.69	23.13	24.50
142	NASDAQ	PRFT	Thu, Feb 17, 2000	25.88	27.00	24.75	26.25
141	NASDAQ	PRFT	Wed, Feb 16, 2000	26.50	26.50	25.63	26.00
140	NASDAQ	PRFT	Tue, Feb 15, 2000	26.50	26.50	24.75	26.25
139	NASDAQ	PRFT	Mon, Feb 14, 2000	25.25	27.13	23.00	26.50
138	NASDAQ	PRFT	Fri, Feb 11, 2000	21.38	25.50	21.25	25.50
137	NASDAQ	PRFT	Thu, Feb 10, 2000	21.25	22.00	21.25	21.25
136	NASDAQ	PRFT	Wed, Feb 9, 2000	22.19	22.19	20.63	22.00
135	NASDAQ	PRFT	Tue, Feb 8, 2000	22.50	22.50	19.25	22.00
134	NASDAQ	PRFT	Mon, Feb 7, 2000	23.63	23.63	21.25	22.25
133	NASDAQ	PRFT	Fri, Feb 4, 2000	21.75	25.50	21.13	21.75
132	NASDAQ	PRFT	Thu, Feb 3, 2000	20.88	21.75	19.50	21.75
131	NASDAQ	PRFT	Wed, Feb 2, 2000	16.88	18.75	15.63	18.75
130	NASDAQ	PRFT	Tue, Feb 1, 2000	17.00	17.06	16.25	17.03
129	NASDAQ	PRFT	Mon, Jan 31, 2000	16.38	17.88	16.00	16.00
128	NASDAQ	PRFT	Fri, Jan 28, 2000	15.81	16.00	15.38	16.00
127	NASDAQ	PRFT	Thu, Jan 27, 2000	15.25	16.50	15.00	16.00
126	NASDAQ	PRFT	Wed, Jan 26, 2000	13.63	15.25	13.63	15.00
125	NASDAQ	PRFT	Tue, Jan 25, 2000	14.00	14.13	13.56	14.13
124	NASDAQ	PRFT	Mon, Jan 24, 2000	14.25	15.00	14.00	14.25
123	NASDAQ	PRFT	Fri, Jan 21, 2000	14.75	16.00	14.00	14.25
122	NASDAQ	PRFT	Thu, Jan 20, 2000	14.00	14.81	13.50	14.75
121	NASDAQ	PRFT	Wed, Jan 19, 2000	14.63	14.88	14.00	14.50
120	NASDAQ	PRFT	Tue, Jan 18, 2000	14.63	14.75	13.88	14.63
119	NASDAQ	PRFT	Fri, Jan 14, 2000	14.50	14.69	13.75	14.69
118	NASDAQ	PRFT	Thu, Jan 13, 2000	14.75	14.88	14.31	14.75
117	NASDAQ	PRFT	Wed, Jan 12, 2000	14.25	14.50	13.88	14.50
116	NASDAQ	PRFT	Tue, Jan 11, 2000	14.50	14.50	13.50	14.50
115	NASDAQ	PRFT	Mon, Jan 10, 2000	14.75	14.75	12.63	13.25
114	NASDAQ	PRFT	Fri, Jan 7, 2000	12.75	14.50	12.75	14.50
113	NASDAQ	PRFT	Thu, Jan 6, 2000	11.88	12.50	11.38	12.50
112	NASDAQ	PRFT	Wed, Jan 5, 2000	11.75	12.00	10.06	12.00
111	NASDAQ	PRFT	Tue, Jan 4, 2000	12.31	12.31	11.50	12.00
110	NASDAQ	PRFT	Mon, Jan 3, 2000	12.50	12.88	12.00	12.13
109	NASDAQ	PRFT	Fri, Dec 31, 1999	12.13	12.75	12.13	12.75
108	NASDAQ	PRFT	Thu, Dec 30, 1999	12.38	12.38	12.13	12.13
107	NASDAQ	PRFT	Wed, Dec 29, 1999	12.25	12.63	12.06	12.06
106	NASDAQ	PRFT	Tue, Dec 28, 1999	10.81	12.75	10.81	12.00
105	NASDAQ	PRFT	Mon, Dec 27, 1999	11.13	11.38	10.75	11.38
104	NASDAQ	PRFT	Thu, Dec 23, 1999	11.00	11.88	11.00	11.75
103	NASDAQ	PRFT	Wed, Dec 22, 1999	11.50	11.94	11.00	11.94
102	NASDAQ	PRFT	Tue, Dec 21, 1999	12.50	12.50	11.56	12.00
101	NASDAQ	PRFT	Mon, Dec 20, 1999	12.38	12.50	12.13	12.50
100	NASDAQ	PRFT	Fri, Dec 17, 1999	12.75	13.00	11.75	13.00
99	NASDAQ	PRFT	Thu, Dec 16, 1999	12.25	13.50	12.25	12.75
98	NASDAQ	PRFT	Wed, Dec 15, 1999	13.44	13.44	12.00	12.50
97	NASDAQ	PRFT	Tue, Dec 14, 1999	13.88	14.50	12.75	13.00
96	NASDAQ	PRFT	Mon, Dec 13, 1999	16.00	16.13	13.88	14.88
95	NASDAQ	PRFT	Fri, Dec 10, 1999	12.88	17.88	12.50	16.13
94	NASDAQ	PRFT	Thu, Dec 9, 1999	12.28	12.50	12.06	12.25
93	NASDAQ	PRFT	Wed, Dec 8, 1999	12.13	12.50	12.13	12.50
92	NASDAQ	PRFT	Tue, Dec 7, 1999	12.31	12.88	12.13	12.50
91	NASDAQ	PRFT	Mon, Dec 6, 1999	12.50	12.88	12.00	12.25
90	NASDAQ	PRFT	Fri, Dec 3, 1999	11.50	12.56	11.50	12.56
89	NASDAQ	PRFT	Thu, Dec 2, 1999	12.06	12.44	11.88	11.88
88	NASDAQ	PRFT	Wed, Dec 1, 1999	12.00	12.00	11.25	12.00
87	NASDAQ	PRFT	Tue, Nov 30, 1999	12.75	13.38	12.00	12.75
86	NASDAQ	PRFT	Mon, Nov 29, 1999	13.00	13.50	13.00	13.50
85	NASDAQ	PRFT	Fri, Nov 26, 1999	13.50	13.50	12.75	13.50
84	NASDAQ	PRFT	Wed, Nov 24, 1999	13.75	13.75	12.63	13.50
83	NASDAQ	PRFT	Tue, Nov 23, 1999	13.50	13.75	12.50	13.75
82	NASDAQ	PRFT	Mon, Nov 22, 1999	14.13	14.13	12.88	13.56
81	NASDAQ	PRFT	Fri, Nov 19, 1999	12.88	14.13	12.88	13.75
80	NASDAQ	PRFT	Thu, Nov 18, 1999	11.75	13.50	11.38	13.00
79	NASDAQ	PRFT	Wed, Nov 17, 1999	11.13	11.75	11.00	11.31
78	NASDAQ	PRFT	Tue, Nov 16, 1999	11.00	11.13	10.75	10.88
77	NASDAQ	PRFT	Mon, Nov 15, 1999	11.50	11.50	10.25	11.00
76	NASDAQ	PRFT	Fri, Nov 12, 1999	10.56	11.25	10.25	11.00
75	NASDAQ	PRFT	Thu, Nov 11, 1999	9.13	11.13	9.13	10.56
74	NASDAQ	PRFT	Wed, Nov 10, 1999	9.13	9.25	9.00	9.25
73	NASDAQ	PRFT	Tue, Nov 9, 1999	9.13	9.13	8.63	9.00
72	NASDAQ	PRFT	Mon, Nov 8, 1999	8.59	9.25	8.56	9.00
71	NASDAQ	PRFT	Fri, Nov 5, 1999	8.75	8.75	8.69	8.69
70	NASDAQ	PRFT	Thu, Nov 4, 1999	8.69	9.00	8.63	8.88
69	NASDAQ	PRFT	Wed, Nov 3, 1999	8.69	8.69	8.63	8.63
68	NASDAQ	PRFT	Tue, Nov 2, 1999	8.59	8.69	8.50	8.63
67	NASDAQ	PRFT	Mon, Nov 1, 1999	8.75	8.75	8.50	8.63
66	NASDAQ	PRFT	Fri, Oct 29, 1999	8.94	9.00	8.75	9.00
65	NASDAQ	PRFT	Thu, Oct 28, 1999	9.00	9.00	8.75	8.75
64	NASDAQ	PRFT	Wed, Oct 27, 1999	8.88	9.00	8.75	8.88
63	NASDAQ	PRFT	Tue, Oct 26, 1999	9.19	9.25	8.50	8.63
62	NASDAQ	PRFT	Mon, Oct 25, 1999	8.13	9.00	7.94	8.94
61	NASDAQ	PRFT	Fri, Oct 22, 1999	8.13	8.13	7.75	8.13
60	NASDAQ	PRFT	Thu, Oct 21, 1999	7.50	8.13	7.44	8.00
59	NASDAQ	PRFT	Wed, Oct 20, 1999	7.41	8.13	7.41	8.13
58	NASDAQ	PRFT	Tue, Oct 19, 1999	6.75	8.00	6.75	8.00
57	NASDAQ	PRFT	Mon, Oct 18, 1999	7.75	8.00	6.50	7.00
56	NASDAQ	PRFT	Fri, Oct 15, 1999	8.25	8.25	7.63	8.00
55	NASDAQ	PRFT	Thu, Oct 14, 1999	8.38	8.50	8.25	8.25
54	NASDAQ	PRFT	Wed, Oct 13, 1999	8.13	8.25	8.13	8.13
53	NASDAQ	PRFT	Tue, Oct 12, 1999	8.00	8.45	8.00	8.13
52	NASDAQ	PRFT	Mon, Oct 11, 1999	8.25	8.38	7.75	8.38
51	NASDAQ	PRFT	Fri, Oct 8, 1999	8.00	8.00	8.00	8.00
50	NASDAQ	PRFT	Thu, Oct 7, 1999	8.00	8.13	8.00	8.00
49	NASDAQ	PRFT	Wed, Oct 6, 1999	8.00	8.38	8.00	8.38
48	NASDAQ	PRFT	Tue, Oct 5, 1999	8.19	8.38	8.00	8.00
47	NASDAQ	PRFT	Mon, Oct 4, 1999	8.00	8.50	8.00	8.25
46	NASDAQ	PRFT	Fri, Oct 1, 1999	8.25	8.25	8.25	8.25
45	NASDAQ	PRFT	Thu, Sep 30, 1999	8.00	8.50	8.00	8.50
44	NASDAQ	PRFT	Wed, Sep 29, 1999	8.13	8.50	8.00	8.50
43	NASDAQ	PRFT	Tue, Sep 28, 1999	8.50	8.50	8.00	8.19
42	NASDAQ	PRFT	Mon, Sep 27, 1999	8.75	8.75	8.38	8.38
41	NASDAQ	PRFT	Fri, Sep 24, 1999	8.25	8.63	8.25	8.63
40	NASDAQ	PRFT	Thu, Sep 23, 1999	8.75	8.81	8.44	8.50
39	NASDAQ	PRFT	Wed, Sep 22, 1999	8.75	8.75	8.50	8.69
38	NASDAQ	PRFT	Tue, Sep 21, 1999	8.75	8.75	8.50	8.50
37	NASDAQ	PRFT	Mon, Sep 20, 1999	8.50	8.75	8.38	8.75
36	NASDAQ	PRFT	Fri, Sep 17, 1999	8.50	8.72	8.31	8.50
35	NASDAQ	PRFT	Thu, Sep 16, 1999	8.69	8.69	8.38	8.50
34	NASDAQ	PRFT	Wed, Sep 15, 1999	8.44	8.69	8.31	8.63
33	NASDAQ	PRFT	Tue, Sep 14, 1999	8.72	8.81	8.31	8.44
32	NASDAQ	PRFT	Mon, Sep 13, 1999	8.75	9.50	8.38	8.56
31	NASDAQ	PRFT	Fri, Sep 10, 1999	8.38	8.38	8.00	8.25
30	NASDAQ	PRFT	Thu, Sep 9, 1999	8.00	8.00	7.88	8.00
29	NASDAQ	PRFT	Wed, Sep 8, 1999	8.25	8.38	8.03	8.03
28	NASDAQ	PRFT	Tue, Sep 7, 1999	8.44	8.50	8.03	8.44
27	NASDAQ	PRFT	Fri, Sep 3, 1999	8.44	8.44	8.03	8.25
26	NASDAQ	PRFT	Thu, Sep 2, 1999	8.25	8.50	8.25	8.28
25	NASDAQ	PRFT	Wed, Sep 1, 1999	8.75	8.75	8.25	8.25
24	NASDAQ	PRFT	Tue, Aug 31, 1999	8.25	8.75	7.75	8.50
23	NASDAQ	PRFT	Mon, Aug 30, 1999	8.00	8.50	7.88	8.25
22	NASDAQ	PRFT	Fri, Aug 27, 1999	7.81	8.00	7.50	8.00
21	NASDAQ	PRFT	Thu, Aug 26, 1999	7.44	7.88	7.00	7.50
20	NASDAQ	PRFT	Wed, Aug 25, 1999	7.25	7.75	7.00	7.44
19	NASDAQ	PRFT	Tue, Aug 24, 1999	6.25	7.00	6.25	7.00
18	NASDAQ	PRFT	Mon, Aug 23, 1999	7.19	7.19	6.25	6.25
17	NASDAQ	PRFT	Fri, Aug 20, 1999	7.38	7.38	7.13	7.25
16	NASDAQ	PRFT	Thu, Aug 19, 1999	7.69	7.69	7.38	7.38
15	NASDAQ	PRFT	Wed, Aug 18, 1999	7.50	7.78	7.50	7.50
14	NASDAQ	PRFT	Tue, Aug 17, 1999	7.50	7.50	7.50	7.50
13	NASDAQ	PRFT	Mon, Aug 16, 1999	7.63	7.75	7.50	7.50
12	NASDAQ	PRFT	Fri, Aug 13, 1999	7.69	7.75	7.63	7.63
11	NASDAQ	PRFT	Thu, Aug 12, 1999	7.94	7.94	7.69	7.69
10	NASDAQ	PRFT	Wed, Aug 11, 1999	7.94	7.94	7.94	7.94
9	NASDAQ	PRFT	Tue, Aug 10, 1999	7.94	7.94	7.69	7.94
8	NASDAQ	PRFT	Mon, Aug 9, 1999	7.94	8.00	7.94	7.94
7	NASDAQ	PRFT	Fri, Aug 6, 1999	7.88	8.06	7.75	8.06
6	NASDAQ	PRFT	Thu, Aug 5, 1999	7.94	7.94	7.75	7.88
5	NASDAQ	PRFT	Wed, Aug 4, 1999	8.13	8.19	7.75	8.00
4	NASDAQ	PRFT	Tue, Aug 3, 1999	8.94	8.94	8.13	8.13
3	NASDAQ	PRFT	Mon, Aug 2, 1999	9.88	9.88	8.75	9.00
2	NASDAQ	PRFT	Fri, Jul 30, 1999	9.63	10.00	8.88	9.75
1	NASDAQ	PRFT	Thu, Jul 29, 1999	11.50	12.00	9.13	9.38
#	Exchange	Symbol	Date	Open	High	Low	Close

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