Park-Ohio Holdings Corp NASDAQ:PKOH Historical Prices

Below are the 8000 trading days of historical prices for PKOH.

#	Exchange	Symbol	Date	Open	High	Low	Close
8000	NASDAQ	PKOH	Tue, Mar 5, 2024	26.65	26.78	26.30	26.30
7999	NASDAQ	PKOH	Mon, Mar 4, 2024	26.77	27.38	26.39	26.51
7998	NASDAQ	PKOH	Fri, Mar 1, 2024	27.38	27.38	26.25	26.49
7997	NASDAQ	PKOH	Thu, Feb 29, 2024	26.84	27.38	26.73	26.86
7996	NASDAQ	PKOH	Wed, Feb 28, 2024	26.37	27.87	25.51	26.30
7995	NASDAQ	PKOH	Tue, Feb 27, 2024	25.97	26.83	25.97	26.36
7994	NASDAQ	PKOH	Mon, Feb 26, 2024	25.03	26.00	25.03	25.85
7993	NASDAQ	PKOH	Fri, Feb 23, 2024	24.83	25.15	24.67	25.03
7992	NASDAQ	PKOH	Thu, Feb 22, 2024	24.51	24.96	24.41	24.72
7991	NASDAQ	PKOH	Wed, Feb 21, 2024	24.10	24.57	23.91	24.57
7990	NASDAQ	PKOH	Tue, Feb 20, 2024	25.40	25.46	24.19	24.27
7989	NASDAQ	PKOH	Fri, Feb 16, 2024	25.45	25.68	25.04	25.13
7988	NASDAQ	PKOH	Thu, Feb 15, 2024	25.09	25.56	24.51	25.55
7987	NASDAQ	PKOH	Wed, Feb 14, 2024	24.20	24.80	24.09	24.51
7986	NASDAQ	PKOH	Tue, Feb 13, 2024	23.90	24.12	23.18	23.36
7985	NASDAQ	PKOH	Mon, Feb 12, 2024	24.02	25.06	24.02	24.59
7984	NASDAQ	PKOH	Fri, Feb 9, 2024	24.23	24.35	23.91	24.18
7983	NASDAQ	PKOH	Thu, Feb 8, 2024	23.92	24.60	23.83	24.40
7982	NASDAQ	PKOH	Wed, Feb 7, 2024	24.69	24.69	23.73	23.87
7981	NASDAQ	PKOH	Tue, Feb 6, 2024	23.90	24.03	23.48	24.01
7980	NASDAQ	PKOH	Mon, Feb 5, 2024	24.81	24.81	23.85	24.03
7979	NASDAQ	PKOH	Fri, Feb 2, 2024	25.21	25.44	25.03	25.04
7978	NASDAQ	PKOH	Thu, Feb 1, 2024	24.65	25.75	24.65	25.48
7977	NASDAQ	PKOH	Wed, Jan 31, 2024	25.55	25.61	24.74	24.74
7976	NASDAQ	PKOH	Tue, Jan 30, 2024	25.76	26.35	25.42	25.61
7975	NASDAQ	PKOH	Mon, Jan 29, 2024	25.32	25.82	25.32	25.80
7974	NASDAQ	PKOH	Fri, Jan 26, 2024	26.45	26.45	24.78	25.50
7973	NASDAQ	PKOH	Thu, Jan 25, 2024	26.12	26.35	25.89	26.35
7972	NASDAQ	PKOH	Wed, Jan 24, 2024	25.87	25.89	25.60	25.75
7971	NASDAQ	PKOH	Tue, Jan 23, 2024	26.30	26.65	25.67	25.69
7970	NASDAQ	PKOH	Mon, Jan 22, 2024	25.37	26.29	25.37	26.14
7969	NASDAQ	PKOH	Fri, Jan 19, 2024	25.43	25.83	25.03	25.37
7968	NASDAQ	PKOH	Thu, Jan 18, 2024	25.29	25.58	25.09	25.16
7967	NASDAQ	PKOH	Wed, Jan 17, 2024	24.68	25.27	24.50	25.27
7966	NASDAQ	PKOH	Tue, Jan 16, 2024	25.19	25.32	24.92	25.03
7965	NASDAQ	PKOH	Fri, Jan 12, 2024	25.54	25.59	25.17	25.48
7964	NASDAQ	PKOH	Thu, Jan 11, 2024	25.66	25.69	25.00	25.16
7963	NASDAQ	PKOH	Wed, Jan 10, 2024	25.11	25.95	25.06	25.66
7962	NASDAQ	PKOH	Tue, Jan 9, 2024	25.04	25.70	24.68	25.24
7961	NASDAQ	PKOH	Mon, Jan 8, 2024	25.80	25.80	25.11	25.38
7960	NASDAQ	PKOH	Fri, Jan 5, 2024	25.26	25.90	25.26	25.78
7959	NASDAQ	PKOH	Thu, Jan 4, 2024	26.32	26.98	25.36	25.47
7958	NASDAQ	PKOH	Wed, Jan 3, 2024	26.16	26.26	25.52	26.08
7957	NASDAQ	PKOH	Tue, Jan 2, 2024	27.08	27.20	24.68	26.10
7956	NASDAQ	PKOH	Fri, Dec 29, 2023	26.85	27.29	26.63	26.96
7955	NASDAQ	PKOH	Thu, Dec 28, 2023	26.67	27.23	26.57	26.84
7954	NASDAQ	PKOH	Wed, Dec 27, 2023	26.47	27.16	26.35	26.90
7953	NASDAQ	PKOH	Tue, Dec 26, 2023	26.55	26.96	25.65	26.81
7952	NASDAQ	PKOH	Fri, Dec 22, 2023	26.58	26.90	26.26	26.65
7951	NASDAQ	PKOH	Thu, Dec 21, 2023	26.40	26.75	26.00	26.70
7950	NASDAQ	PKOH	Wed, Dec 20, 2023	25.50	26.42	25.38	25.93
7949	NASDAQ	PKOH	Tue, Dec 19, 2023	24.60	25.47	24.60	25.46
7948	NASDAQ	PKOH	Mon, Dec 18, 2023	25.36	25.43	24.52	24.60
7947	NASDAQ	PKOH	Fri, Dec 15, 2023	24.80	25.30	24.43	25.05
7946	NASDAQ	PKOH	Thu, Dec 14, 2023	24.95	25.43	24.41	24.52
7945	NASDAQ	PKOH	Wed, Dec 13, 2023	24.14	24.69	24.00	24.65
7944	NASDAQ	PKOH	Tue, Dec 12, 2023	24.03	24.49	23.71	23.81
7943	NASDAQ	PKOH	Mon, Dec 11, 2023	23.40	24.06	23.06	24.03
7942	NASDAQ	PKOH	Fri, Dec 8, 2023	23.75	24.11	23.06	23.23
7941	NASDAQ	PKOH	Thu, Dec 7, 2023	23.63	23.90	23.49	23.72
7940	NASDAQ	PKOH	Wed, Dec 6, 2023	23.63	24.15	23.25	23.40
7939	NASDAQ	PKOH	Tue, Dec 5, 2023	22.76	23.57	22.64	23.30
7938	NASDAQ	PKOH	Mon, Dec 4, 2023	24.10	24.52	23.47	23.53
7937	NASDAQ	PKOH	Fri, Dec 1, 2023	22.93	24.14	22.58	24.10
7936	NASDAQ	PKOH	Thu, Nov 30, 2023	22.96	23.45	22.52	22.77
7935	NASDAQ	PKOH	Wed, Nov 29, 2023	22.89	23.18	22.82	23.14
7934	NASDAQ	PKOH	Tue, Nov 28, 2023	23.07	23.56	22.82	22.90
7933	NASDAQ	PKOH	Mon, Nov 27, 2023	23.51	23.51	22.78	23.20
7932	NASDAQ	PKOH	Fri, Nov 24, 2023	22.85	23.16	22.72	23.13
7931	NASDAQ	PKOH	Wed, Nov 22, 2023	22.98	23.30	22.32	22.64
7930	NASDAQ	PKOH	Tue, Nov 21, 2023	22.90	23.32	22.80	22.98
7929	NASDAQ	PKOH	Mon, Nov 20, 2023	23.38	23.63	22.87	23.10
7928	NASDAQ	PKOH	Fri, Nov 17, 2023	23.04	23.93	22.78	23.09
7927	NASDAQ	PKOH	Thu, Nov 16, 2023	23.28	23.28	22.88	23.16
7926	NASDAQ	PKOH	Wed, Nov 15, 2023	24.47	24.47	23.40	23.56
7925	NASDAQ	PKOH	Tue, Nov 14, 2023	24.50	24.77	24.20	24.55
7924	NASDAQ	PKOH	Mon, Nov 13, 2023	23.91	24.03	23.41	23.75
7923	NASDAQ	PKOH	Fri, Nov 10, 2023	24.14	24.41	23.72	23.92
7922	NASDAQ	PKOH	Thu, Nov 9, 2023	24.72	25.00	24.15	24.26
7921	NASDAQ	PKOH	Wed, Nov 8, 2023	25.56	25.56	24.33	24.49
7920	NASDAQ	PKOH	Tue, Nov 7, 2023	25.49	26.03	25.09	25.34
7919	NASDAQ	PKOH	Mon, Nov 6, 2023	25.05	25.47	24.11	25.45
7918	NASDAQ	PKOH	Fri, Nov 3, 2023	28.79	28.79	25.21	25.35
7917	NASDAQ	PKOH	Thu, Nov 2, 2023	24.20	28.00	23.85	27.85
7916	NASDAQ	PKOH	Wed, Nov 1, 2023	22.36	23.24	22.28	22.96
7915	NASDAQ	PKOH	Tue, Oct 31, 2023	22.80	23.04	22.54	22.68
7914	NASDAQ	PKOH	Mon, Oct 30, 2023	22.29	23.02	22.03	22.94
7913	NASDAQ	PKOH	Fri, Oct 27, 2023	22.56	22.66	21.96	22.05
7912	NASDAQ	PKOH	Thu, Oct 26, 2023	22.50	23.23	22.21	22.38
7911	NASDAQ	PKOH	Wed, Oct 25, 2023	22.39	23.01	22.27	22.58
7910	NASDAQ	PKOH	Tue, Oct 24, 2023	22.28	22.61	21.93	22.31
7909	NASDAQ	PKOH	Mon, Oct 23, 2023	23.55	23.55	22.11	22.28
7908	NASDAQ	PKOH	Fri, Oct 20, 2023	23.33	23.88	23.14	23.46
7907	NASDAQ	PKOH	Thu, Oct 19, 2023	23.99	24.30	23.12	23.40
7906	NASDAQ	PKOH	Wed, Oct 18, 2023	24.30	24.35	23.53	23.85
7905	NASDAQ	PKOH	Tue, Oct 17, 2023	23.22	24.60	22.68	24.24
7904	NASDAQ	PKOH	Mon, Oct 16, 2023	23.30	23.70	23.00	23.45
7903	NASDAQ	PKOH	Fri, Oct 13, 2023	22.61	23.66	22.49	23.12
7902	NASDAQ	PKOH	Thu, Oct 12, 2023	22.30	22.82	22.00	22.69
7901	NASDAQ	PKOH	Wed, Oct 11, 2023	21.46	22.29	21.13	22.25
7900	NASDAQ	PKOH	Tue, Oct 10, 2023	20.63	21.52	20.63	21.46
7899	NASDAQ	PKOH	Mon, Oct 9, 2023	19.96	20.50	19.96	20.50
7898	NASDAQ	PKOH	Fri, Oct 6, 2023	19.41	20.33	19.34	20.19
7897	NASDAQ	PKOH	Thu, Oct 5, 2023	20.34	20.34	19.48	19.49
7896	NASDAQ	PKOH	Wed, Oct 4, 2023	20.01	20.18	19.61	20.07
7895	NASDAQ	PKOH	Tue, Oct 3, 2023	20.39	20.39	19.77	19.88
7894	NASDAQ	PKOH	Mon, Oct 2, 2023	19.95	20.51	19.90	20.49
7893	NASDAQ	PKOH	Fri, Sep 29, 2023	20.83	20.83	19.60	19.91
7892	NASDAQ	PKOH	Thu, Sep 28, 2023	20.18	20.82	20.18	20.64
7891	NASDAQ	PKOH	Wed, Sep 27, 2023	20.30	20.93	20.00	20.05
7890	NASDAQ	PKOH	Tue, Sep 26, 2023	19.94	20.32	19.77	20.09
7889	NASDAQ	PKOH	Mon, Sep 25, 2023	20.03	20.14	19.25	19.88
7888	NASDAQ	PKOH	Fri, Sep 22, 2023	19.25	20.08	19.25	19.98
7887	NASDAQ	PKOH	Thu, Sep 21, 2023	19.34	19.54	19.18	19.31
7886	NASDAQ	PKOH	Wed, Sep 20, 2023	19.22	19.82	19.00	19.35
7885	NASDAQ	PKOH	Tue, Sep 19, 2023	19.20	20.00	18.89	18.99
7884	NASDAQ	PKOH	Mon, Sep 18, 2023	19.14	19.44	18.50	19.11
7883	NASDAQ	PKOH	Fri, Sep 15, 2023	18.25	18.37	17.75	18.25
7882	NASDAQ	PKOH	Thu, Sep 14, 2023	17.60	18.30	17.60	18.26
7881	NASDAQ	PKOH	Wed, Sep 13, 2023	18.00	18.00	17.41	17.53
7880	NASDAQ	PKOH	Tue, Sep 12, 2023	17.92	18.20	17.90	18.02
7879	NASDAQ	PKOH	Mon, Sep 11, 2023	17.94	17.94	17.94	17.94
7878	NASDAQ	PKOH	Fri, Sep 8, 2023	18.30	18.45	18.28	18.35
7877	NASDAQ	PKOH	Thu, Sep 7, 2023	18.01	18.39	17.61	18.31
7876	NASDAQ	PKOH	Wed, Sep 6, 2023	18.38	18.38	17.74	18.11
7875	NASDAQ	PKOH	Tue, Sep 5, 2023	18.96	18.96	18.28	18.29
7874	NASDAQ	PKOH	Fri, Sep 1, 2023	18.79	19.30	18.71	19.11
7873	NASDAQ	PKOH	Thu, Aug 31, 2023	18.89	19.29	18.61	18.71
7872	NASDAQ	PKOH	Wed, Aug 30, 2023	18.32	19.12	18.32	18.96
7871	NASDAQ	PKOH	Tue, Aug 29, 2023	18.54	18.83	18.08	18.23
7870	NASDAQ	PKOH	Mon, Aug 28, 2023	18.66	18.96	18.66	18.86
7869	NASDAQ	PKOH	Fri, Aug 25, 2023	18.58	18.74	18.44	18.67
7868	NASDAQ	PKOH	Thu, Aug 24, 2023	18.73	19.04	18.55	18.59
7867	NASDAQ	PKOH	Wed, Aug 23, 2023	18.79	19.04	18.68	18.87
7866	NASDAQ	PKOH	Tue, Aug 22, 2023	18.61	19.04	18.43	18.87
7865	NASDAQ	PKOH	Mon, Aug 21, 2023	19.25	19.27	18.46	18.54
7864	NASDAQ	PKOH	Fri, Aug 18, 2023	18.69	19.41	18.69	19.20
7863	NASDAQ	PKOH	Thu, Aug 17, 2023	19.02	19.08	18.62	18.86
7862	NASDAQ	PKOH	Wed, Aug 16, 2023	18.76	19.06	18.32	18.75
7861	NASDAQ	PKOH	Tue, Aug 15, 2023	18.53	19.13	18.53	18.78
7860	NASDAQ	PKOH	Mon, Aug 14, 2023	18.22	18.69	18.10	18.66
7859	NASDAQ	PKOH	Fri, Aug 11, 2023	18.28	18.51	18.15	18.28
7858	NASDAQ	PKOH	Thu, Aug 10, 2023	18.66	18.75	18.35	18.41
7857	NASDAQ	PKOH	Wed, Aug 9, 2023	18.95	19.00	18.52	18.57
7856	NASDAQ	PKOH	Tue, Aug 8, 2023	18.16	19.19	18.16	18.99
7855	NASDAQ	PKOH	Mon, Aug 7, 2023	18.65	18.78	18.18	18.21
7854	NASDAQ	PKOH	Fri, Aug 4, 2023	19.30	19.41	18.26	18.53
7853	NASDAQ	PKOH	Thu, Aug 3, 2023	19.78	19.78	19.12	19.42
7852	NASDAQ	PKOH	Wed, Aug 2, 2023	19.64	19.78	19.21	19.67
7851	NASDAQ	PKOH	Tue, Aug 1, 2023	19.19	19.68	18.94	19.61
7850	NASDAQ	PKOH	Mon, Jul 31, 2023	19.23	19.43	19.16	19.27
7849	NASDAQ	PKOH	Fri, Jul 28, 2023	18.94	19.42	18.84	19.30
7848	NASDAQ	PKOH	Thu, Jul 27, 2023	19.25	19.25	18.55	18.66
7847	NASDAQ	PKOH	Wed, Jul 26, 2023	18.32	19.22	18.32	19.13
7846	NASDAQ	PKOH	Tue, Jul 25, 2023	18.93	19.07	18.61	18.64
7845	NASDAQ	PKOH	Mon, Jul 24, 2023	18.71	19.17	18.49	19.02
7844	NASDAQ	PKOH	Fri, Jul 21, 2023	19.36	19.36	18.68	18.75
7843	NASDAQ	PKOH	Thu, Jul 20, 2023	18.85	19.32	18.73	19.27
7842	NASDAQ	PKOH	Wed, Jul 19, 2023	19.07	19.26	18.65	18.80
7841	NASDAQ	PKOH	Tue, Jul 18, 2023	18.70	19.32	18.57	19.02
7840	NASDAQ	PKOH	Mon, Jul 17, 2023	18.18	18.85	18.15	18.78
7839	NASDAQ	PKOH	Fri, Jul 14, 2023	18.80	18.80	18.06	18.09
7838	NASDAQ	PKOH	Thu, Jul 13, 2023	18.95	19.33	18.90	18.98
7837	NASDAQ	PKOH	Wed, Jul 12, 2023	18.60	19.28	18.57	18.99
7836	NASDAQ	PKOH	Tue, Jul 11, 2023	18.37	18.76	17.99	18.47
7835	NASDAQ	PKOH	Mon, Jul 10, 2023	18.52	19.10	18.23	18.44
7834	NASDAQ	PKOH	Fri, Jul 7, 2023	18.18	19.10	18.18	18.63
7833	NASDAQ	PKOH	Thu, Jul 6, 2023	18.19	18.33	17.61	18.13
7832	NASDAQ	PKOH	Wed, Jul 5, 2023	19.00	19.25	18.51	18.56
7831	NASDAQ	PKOH	Mon, Jul 3, 2023	19.09	19.28	18.84	19.11
7830	NASDAQ	PKOH	Fri, Jun 30, 2023	19.37	19.57	18.73	19.00
7829	NASDAQ	PKOH	Thu, Jun 29, 2023	18.51	19.48	18.51	18.93
7828	NASDAQ	PKOH	Wed, Jun 28, 2023	19.00	19.31	18.60	18.67
7827	NASDAQ	PKOH	Tue, Jun 27, 2023	18.09	19.13	17.77	19.04
7826	NASDAQ	PKOH	Mon, Jun 26, 2023	17.73	18.18	17.32	17.88
7825	NASDAQ	PKOH	Fri, Jun 23, 2023	18.53	18.98	17.52	17.63
7824	NASDAQ	PKOH	Thu, Jun 22, 2023	18.39	18.85	18.39	18.78
7823	NASDAQ	PKOH	Wed, Jun 21, 2023	17.97	18.93	17.96	18.40
7822	NASDAQ	PKOH	Tue, Jun 20, 2023	17.52	18.38	17.45	18.08
7821	NASDAQ	PKOH	Fri, Jun 16, 2023	17.83	18.18	17.46	17.62
7820	NASDAQ	PKOH	Thu, Jun 15, 2023	17.74	17.97	17.42	17.68
7819	NASDAQ	PKOH	Wed, Jun 14, 2023	17.76	18.23	17.33	17.67
7818	NASDAQ	PKOH	Tue, Jun 13, 2023	17.31	17.86	17.22	17.62
7817	NASDAQ	PKOH	Mon, Jun 12, 2023	17.35	17.41	16.80	17.34
7816	NASDAQ	PKOH	Fri, Jun 9, 2023	17.58	17.74	17.05	17.25
7815	NASDAQ	PKOH	Thu, Jun 8, 2023	17.46	17.90	17.37	17.54
7814	NASDAQ	PKOH	Wed, Jun 7, 2023	17.27	17.61	17.07	17.37
7813	NASDAQ	PKOH	Tue, Jun 6, 2023	16.43	17.50	16.43	17.14
7812	NASDAQ	PKOH	Mon, Jun 5, 2023	17.06	17.51	16.41	16.53
7811	NASDAQ	PKOH	Fri, Jun 2, 2023	16.62	17.40	16.60	17.14
7810	NASDAQ	PKOH	Thu, Jun 1, 2023	15.77	16.76	15.45	16.42
7809	NASDAQ	PKOH	Wed, May 31, 2023	15.26	16.04	15.00	15.77
7808	NASDAQ	PKOH	Tue, May 30, 2023	15.53	15.88	14.94	15.13
7807	NASDAQ	PKOH	Fri, May 26, 2023	15.05	15.76	15.05	15.55
7806	NASDAQ	PKOH	Thu, May 25, 2023	15.40	15.69	14.85	14.90
7805	NASDAQ	PKOH	Wed, May 24, 2023	15.89	15.92	15.12	15.36
7804	NASDAQ	PKOH	Tue, May 23, 2023	15.53	16.16	15.53	15.74
7803	NASDAQ	PKOH	Mon, May 22, 2023	15.76	15.85	15.12	15.45
7802	NASDAQ	PKOH	Fri, May 19, 2023	16.24	16.28	15.57	15.57
7801	NASDAQ	PKOH	Thu, May 18, 2023	15.86	16.21	15.58	16.11
7800	NASDAQ	PKOH	Wed, May 17, 2023	15.98	16.18	15.68	15.81
7799	NASDAQ	PKOH	Tue, May 16, 2023	16.18	16.41	15.50	15.89
7798	NASDAQ	PKOH	Mon, May 15, 2023	15.95	16.50	15.95	16.09
7797	NASDAQ	PKOH	Fri, May 12, 2023	16.03	16.34	15.86	16.02
7796	NASDAQ	PKOH	Thu, May 11, 2023	15.18	16.37	15.07	16.16
7795	NASDAQ	PKOH	Wed, May 10, 2023	15.62	15.79	15.24	15.42
7794	NASDAQ	PKOH	Tue, May 9, 2023	15.50	15.78	15.01	15.56
7793	NASDAQ	PKOH	Mon, May 8, 2023	15.43	15.82	14.86	15.58
7792	NASDAQ	PKOH	Fri, May 5, 2023	15.05	15.70	15.05	15.22
7791	NASDAQ	PKOH	Thu, May 4, 2023	13.76	15.60	13.76	14.95
7790	NASDAQ	PKOH	Wed, May 3, 2023	13.13	14.31	12.98	13.19
7789	NASDAQ	PKOH	Tue, May 2, 2023	12.68	13.00	12.34	13.00
7788	NASDAQ	PKOH	Mon, May 1, 2023	12.97	13.04	12.55	12.62
7787	NASDAQ	PKOH	Fri, Apr 28, 2023	12.52	13.20	12.52	12.97
7786	NASDAQ	PKOH	Thu, Apr 27, 2023	12.25	12.64	12.25	12.64
7785	NASDAQ	PKOH	Wed, Apr 26, 2023	12.30	12.46	12.07	12.30
7784	NASDAQ	PKOH	Tue, Apr 25, 2023	12.51	12.52	12.17	12.35
7783	NASDAQ	PKOH	Mon, Apr 24, 2023	12.54	12.71	12.13	12.62
7782	NASDAQ	PKOH	Fri, Apr 21, 2023	12.59	12.68	12.28	12.45
7781	NASDAQ	PKOH	Thu, Apr 20, 2023	12.76	12.76	12.30	12.51
7780	NASDAQ	PKOH	Wed, Apr 19, 2023	12.56	12.85	12.33	12.78
7779	NASDAQ	PKOH	Tue, Apr 18, 2023	12.71	12.93	12.40	12.58
7778	NASDAQ	PKOH	Mon, Apr 17, 2023	12.35	13.10	12.30	12.80
7777	NASDAQ	PKOH	Fri, Apr 14, 2023	12.44	12.98	12.14	12.36
7776	NASDAQ	PKOH	Thu, Apr 13, 2023	12.53	12.53	12.02	12.36
7775	NASDAQ	PKOH	Wed, Apr 12, 2023	12.35	12.60	11.97	12.01
7774	NASDAQ	PKOH	Tue, Apr 11, 2023	11.91	12.50	11.90	12.30
7773	NASDAQ	PKOH	Mon, Apr 10, 2023	11.87	12.14	11.60	11.73
7772	NASDAQ	PKOH	Thu, Apr 6, 2023	11.72	12.05	11.60	12.00
7771	NASDAQ	PKOH	Wed, Apr 5, 2023	11.65	11.93	11.52	11.80
7770	NASDAQ	PKOH	Tue, Apr 4, 2023	11.70	11.94	11.53	11.58
7769	NASDAQ	PKOH	Mon, Apr 3, 2023	12.38	12.38	11.90	11.98
7768	NASDAQ	PKOH	Fri, Mar 31, 2023	12.07	12.27	11.92	12.08
7767	NASDAQ	PKOH	Thu, Mar 30, 2023	11.99	12.19	11.92	12.04
7766	NASDAQ	PKOH	Wed, Mar 29, 2023	11.49	12.31	11.26	11.80
7765	NASDAQ	PKOH	Tue, Mar 28, 2023	11.40	12.54	11.17	11.43
7764	NASDAQ	PKOH	Mon, Mar 27, 2023	11.25	11.67	11.07	11.33
7763	NASDAQ	PKOH	Fri, Mar 24, 2023	11.10	11.16	10.90	11.06
7762	NASDAQ	PKOH	Thu, Mar 23, 2023	11.81	12.03	11.05	11.05
7761	NASDAQ	PKOH	Wed, Mar 22, 2023	11.70	11.97	11.55	11.55
7760	NASDAQ	PKOH	Tue, Mar 21, 2023	11.83	12.27	11.70	11.70
7759	NASDAQ	PKOH	Mon, Mar 20, 2023	11.87	12.37	11.44	11.70
7758	NASDAQ	PKOH	Fri, Mar 17, 2023	12.30	12.46	11.30	11.57
7757	NASDAQ	PKOH	Thu, Mar 16, 2023	12.58	12.99	11.97	12.40
7756	NASDAQ	PKOH	Wed, Mar 15, 2023	11.90	12.89	11.62	12.89
7755	NASDAQ	PKOH	Tue, Mar 14, 2023	12.33	13.20	12.10	12.18
7754	NASDAQ	PKOH	Mon, Mar 13, 2023	13.27	13.40	12.10	12.10
7753	NASDAQ	PKOH	Fri, Mar 10, 2023	14.08	14.08	13.40	13.43
7752	NASDAQ	PKOH	Thu, Mar 9, 2023	14.13	14.18	13.75	14.08
7751	NASDAQ	PKOH	Wed, Mar 8, 2023	14.60	14.66	13.88	14.22
7750	NASDAQ	PKOH	Tue, Mar 7, 2023	14.27	14.61	14.15	14.26
7749	NASDAQ	PKOH	Mon, Mar 6, 2023	14.30	14.37	13.74	14.28
7748	NASDAQ	PKOH	Fri, Mar 3, 2023	13.53	14.30	13.50	14.29
7747	NASDAQ	PKOH	Thu, Mar 2, 2023	13.59	13.59	13.10	13.35
7746	NASDAQ	PKOH	Wed, Mar 1, 2023	13.63	13.88	13.04	13.55
7745	NASDAQ	PKOH	Tue, Feb 28, 2023	13.85	14.07	13.20	13.31
7744	NASDAQ	PKOH	Mon, Feb 27, 2023	13.75	14.27	13.58	13.85
7743	NASDAQ	PKOH	Fri, Feb 24, 2023	14.16	14.38	13.25	13.62
7742	NASDAQ	PKOH	Thu, Feb 23, 2023	14.05	14.62	13.96	14.32
7741	NASDAQ	PKOH	Wed, Feb 22, 2023	14.87	15.24	13.20	14.00
7740	NASDAQ	PKOH	Tue, Feb 21, 2023	14.14	14.53	13.44	13.72
7739	NASDAQ	PKOH	Fri, Feb 17, 2023	14.21	14.60	13.90	14.40
7738	NASDAQ	PKOH	Thu, Feb 16, 2023	14.30	14.81	14.11	14.25
7737	NASDAQ	PKOH	Wed, Feb 15, 2023	14.58	14.82	14.10	14.49
7736	NASDAQ	PKOH	Tue, Feb 14, 2023	14.14	15.08	14.14	14.65
7735	NASDAQ	PKOH	Mon, Feb 13, 2023	14.86	14.96	14.43	14.66
7734	NASDAQ	PKOH	Fri, Feb 10, 2023	14.66	15.08	14.50	14.90
7733	NASDAQ	PKOH	Thu, Feb 9, 2023	15.00	15.15	14.20	14.57
7732	NASDAQ	PKOH	Wed, Feb 8, 2023	14.60	14.99	14.34	14.94
7731	NASDAQ	PKOH	Tue, Feb 7, 2023	14.21	14.76	14.21	14.75
7730	NASDAQ	PKOH	Mon, Feb 6, 2023	14.20	14.50	14.06	14.36
7729	NASDAQ	PKOH	Fri, Feb 3, 2023	14.40	14.40	14.17	14.20
7728	NASDAQ	PKOH	Thu, Feb 2, 2023	14.00	14.40	13.97	14.19
7727	NASDAQ	PKOH	Wed, Feb 1, 2023	13.06	14.41	13.06	13.78
7726	NASDAQ	PKOH	Tue, Jan 31, 2023	13.34	13.85	13.25	13.25
7725	NASDAQ	PKOH	Mon, Jan 30, 2023	13.39	13.87	12.83	13.05
7724	NASDAQ	PKOH	Fri, Jan 27, 2023	12.84	13.50	12.83	13.50
7723	NASDAQ	PKOH	Thu, Jan 26, 2023	12.63	12.98	12.60	12.71
7722	NASDAQ	PKOH	Wed, Jan 25, 2023	12.89	12.90	12.26	12.60
7721	NASDAQ	PKOH	Tue, Jan 24, 2023	12.87	13.03	12.78	12.90
7720	NASDAQ	PKOH	Mon, Jan 23, 2023	12.64	13.10	12.45	12.76
7719	NASDAQ	PKOH	Fri, Jan 20, 2023	12.97	13.36	12.06	12.64
7718	NASDAQ	PKOH	Thu, Jan 19, 2023	13.47	13.66	12.62	12.97
7717	NASDAQ	PKOH	Wed, Jan 18, 2023	14.16	14.50	13.50	13.60
7716	NASDAQ	PKOH	Tue, Jan 17, 2023	13.96	14.21	13.76	13.86
7715	NASDAQ	PKOH	Fri, Jan 13, 2023	13.90	14.41	13.75	14.15
7714	NASDAQ	PKOH	Thu, Jan 12, 2023	12.90	13.99	12.90	13.99
7713	NASDAQ	PKOH	Wed, Jan 11, 2023	13.21	13.60	12.40	12.70
7712	NASDAQ	PKOH	Tue, Jan 10, 2023	13.02	13.75	12.80	13.24
7711	NASDAQ	PKOH	Mon, Jan 9, 2023	12.40	13.17	12.40	12.99
7710	NASDAQ	PKOH	Fri, Jan 6, 2023	12.60	13.00	12.30	12.30
7709	NASDAQ	PKOH	Thu, Jan 5, 2023	12.04	12.90	12.04	12.58
7708	NASDAQ	PKOH	Wed, Jan 4, 2023	13.00	13.12	12.16	12.16
7707	NASDAQ	PKOH	Tue, Jan 3, 2023	12.50	12.92	12.29	12.86
7706	NASDAQ	PKOH	Fri, Dec 30, 2022	12.60	12.73	12.20	12.23
7705	NASDAQ	PKOH	Thu, Dec 29, 2022	12.05	12.70	11.82	12.64
7704	NASDAQ	PKOH	Wed, Dec 28, 2022	12.40	12.67	11.85	11.85
7703	NASDAQ	PKOH	Tue, Dec 27, 2022	11.94	12.80	11.76	12.55
7702	NASDAQ	PKOH	Fri, Dec 23, 2022	12.42	12.90	11.61	12.00
7701	NASDAQ	PKOH	Thu, Dec 22, 2022	11.85	12.47	11.60	12.42
7700	NASDAQ	PKOH	Wed, Dec 21, 2022	12.35	13.20	11.82	11.98
7699	NASDAQ	PKOH	Tue, Dec 20, 2022	11.13	12.44	11.13	12.28
7698	NASDAQ	PKOH	Mon, Dec 19, 2022	12.00	12.45	11.02	11.80
7697	NASDAQ	PKOH	Fri, Dec 16, 2022	11.65	11.89	11.03	11.89
7696	NASDAQ	PKOH	Thu, Dec 15, 2022	11.70	12.29	11.25	11.80
7695	NASDAQ	PKOH	Wed, Dec 14, 2022	12.06	12.61	11.60	11.70
7694	NASDAQ	PKOH	Tue, Dec 13, 2022	11.98	12.51	11.40	12.16
7693	NASDAQ	PKOH	Mon, Dec 12, 2022	12.60	12.63	11.40	11.57
7692	NASDAQ	PKOH	Fri, Dec 9, 2022	12.15	13.53	11.97	12.69
7691	NASDAQ	PKOH	Thu, Dec 8, 2022	12.75	12.75	12.15	12.27
7690	NASDAQ	PKOH	Wed, Dec 7, 2022	12.75	13.39	12.30	12.34
7689	NASDAQ	PKOH	Tue, Dec 6, 2022	13.09	13.18	12.76	12.76
7688	NASDAQ	PKOH	Mon, Dec 5, 2022	13.48	13.66	13.00	13.00
7687	NASDAQ	PKOH	Fri, Dec 2, 2022	13.42	14.00	12.84	13.34
7686	NASDAQ	PKOH	Thu, Dec 1, 2022	13.48	13.85	13.18	13.58
7685	NASDAQ	PKOH	Wed, Nov 30, 2022	13.45	14.50	13.10	13.35
7684	NASDAQ	PKOH	Tue, Nov 29, 2022	15.31	15.34	12.91	13.34
7683	NASDAQ	PKOH	Mon, Nov 28, 2022	15.00	15.50	14.74	15.40
7682	NASDAQ	PKOH	Fri, Nov 25, 2022	15.44	15.44	14.91	15.20
7681	NASDAQ	PKOH	Wed, Nov 23, 2022	15.39	15.51	15.20	15.49
7680	NASDAQ	PKOH	Tue, Nov 22, 2022	15.01	15.49	14.49	15.44
7679	NASDAQ	PKOH	Mon, Nov 21, 2022	14.52	15.28	14.52	14.92
7678	NASDAQ	PKOH	Fri, Nov 18, 2022	14.80	14.80	14.27	14.71
7677	NASDAQ	PKOH	Thu, Nov 17, 2022	14.36	14.88	14.36	14.69
7676	NASDAQ	PKOH	Wed, Nov 16, 2022	14.61	14.70	14.43	14.70
7675	NASDAQ	PKOH	Tue, Nov 15, 2022	14.13	14.95	14.13	14.78
7674	NASDAQ	PKOH	Mon, Nov 14, 2022	13.50	14.62	12.90	13.91
7673	NASDAQ	PKOH	Fri, Nov 11, 2022	13.83	13.91	13.54	13.88
7672	NASDAQ	PKOH	Thu, Nov 10, 2022	13.98	13.99	13.45	13.94
7671	NASDAQ	PKOH	Wed, Nov 9, 2022	12.66	13.53	12.66	13.53
7670	NASDAQ	PKOH	Tue, Nov 8, 2022	12.83	13.57	12.50	12.86
7669	NASDAQ	PKOH	Mon, Nov 7, 2022	12.30	12.61	12.30	12.41
7668	NASDAQ	PKOH	Fri, Nov 4, 2022	12.01	12.41	12.01	12.25
7667	NASDAQ	PKOH	Thu, Nov 3, 2022	11.62	12.13	11.62	12.01
7666	NASDAQ	PKOH	Wed, Nov 2, 2022	11.87	12.45	11.65	11.65
7665	NASDAQ	PKOH	Tue, Nov 1, 2022	11.50	11.85	11.33	11.85
7664	NASDAQ	PKOH	Mon, Oct 31, 2022	11.25	11.82	11.11	11.37
7663	NASDAQ	PKOH	Fri, Oct 28, 2022	11.01	11.38	11.01	11.21
7662	NASDAQ	PKOH	Thu, Oct 27, 2022	11.00	11.62	10.98	11.00
7661	NASDAQ	PKOH	Wed, Oct 26, 2022	10.70	11.07	10.59	10.72
7660	NASDAQ	PKOH	Tue, Oct 25, 2022	10.50	10.96	10.30	10.70
7659	NASDAQ	PKOH	Mon, Oct 24, 2022	10.85	10.85	10.53	10.53
7658	NASDAQ	PKOH	Fri, Oct 21, 2022	10.83	11.00	10.54	10.57
7657	NASDAQ	PKOH	Thu, Oct 20, 2022	11.50	11.50	10.51	10.95
7656	NASDAQ	PKOH	Wed, Oct 19, 2022	11.56	11.60	10.75	11.23
7655	NASDAQ	PKOH	Tue, Oct 18, 2022	11.70	11.90	11.13	11.53
7654	NASDAQ	PKOH	Mon, Oct 17, 2022	11.23	11.87	10.94	11.45
7653	NASDAQ	PKOH	Fri, Oct 14, 2022	10.94	11.40	10.52	11.17
7652	NASDAQ	PKOH	Thu, Oct 13, 2022	10.56	11.20	10.50	10.78
7651	NASDAQ	PKOH	Wed, Oct 12, 2022	10.94	11.59	10.67	10.67
7650	NASDAQ	PKOH	Tue, Oct 11, 2022	11.32	11.90	10.99	11.05
7649	NASDAQ	PKOH	Mon, Oct 10, 2022	11.72	11.87	11.44	11.44
7648	NASDAQ	PKOH	Fri, Oct 7, 2022	12.05	12.05	11.51	11.51
7647	NASDAQ	PKOH	Thu, Oct 6, 2022	12.21	12.33	11.55	11.99
7646	NASDAQ	PKOH	Wed, Oct 5, 2022	12.00	12.35	11.72	12.29
7645	NASDAQ	PKOH	Tue, Oct 4, 2022	11.58	12.32	11.58	11.96
7644	NASDAQ	PKOH	Mon, Oct 3, 2022	11.48	11.78	11.16	11.31
7643	NASDAQ	PKOH	Fri, Sep 30, 2022	11.38	12.04	11.31	11.31
7642	NASDAQ	PKOH	Thu, Sep 29, 2022	11.50	11.70	11.16	11.34
7641	NASDAQ	PKOH	Wed, Sep 28, 2022	11.93	12.52	11.51	11.51
7640	NASDAQ	PKOH	Tue, Sep 27, 2022	11.88	13.00	11.65	11.89
7639	NASDAQ	PKOH	Mon, Sep 26, 2022	13.30	13.90	11.56	11.56
7638	NASDAQ	PKOH	Fri, Sep 23, 2022	12.48	13.08	11.72	12.54
7637	NASDAQ	PKOH	Thu, Sep 22, 2022	12.93	13.22	12.50	12.50
7636	NASDAQ	PKOH	Wed, Sep 21, 2022	13.52	13.52	12.76	13.18
7635	NASDAQ	PKOH	Tue, Sep 20, 2022	14.08	14.20	13.22	13.22
7634	NASDAQ	PKOH	Mon, Sep 19, 2022	14.11	14.53	13.51	14.36
7633	NASDAQ	PKOH	Fri, Sep 16, 2022	14.82	14.82	14.06	14.18
7632	NASDAQ	PKOH	Thu, Sep 15, 2022	14.52	15.17	14.52	14.78
7631	NASDAQ	PKOH	Wed, Sep 14, 2022	15.23	15.41	14.31	14.46
7630	NASDAQ	PKOH	Tue, Sep 13, 2022	15.24	16.04	15.03	15.20
7629	NASDAQ	PKOH	Mon, Sep 12, 2022	16.48	16.49	15.55	15.60
7628	NASDAQ	PKOH	Fri, Sep 9, 2022	15.89	16.56	15.71	16.22
7627	NASDAQ	PKOH	Thu, Sep 8, 2022	15.22	15.91	15.13	15.67
7626	NASDAQ	PKOH	Wed, Sep 7, 2022	15.52	15.89	15.03	15.15
7625	NASDAQ	PKOH	Tue, Sep 6, 2022	16.35	16.46	15.37	15.50
7624	NASDAQ	PKOH	Fri, Sep 2, 2022	16.83	17.18	16.09	16.15
7623	NASDAQ	PKOH	Thu, Sep 1, 2022	16.55	16.80	16.00	16.39
7622	NASDAQ	PKOH	Wed, Aug 31, 2022	17.02	17.10	16.59	16.59
7621	NASDAQ	PKOH	Tue, Aug 30, 2022	18.13	18.13	16.81	16.89
7620	NASDAQ	PKOH	Mon, Aug 29, 2022	17.55	18.40	17.55	17.88
7619	NASDAQ	PKOH	Fri, Aug 26, 2022	19.23	19.23	18.02	18.05
7618	NASDAQ	PKOH	Thu, Aug 25, 2022	18.40	19.37	18.21	19.30
7617	NASDAQ	PKOH	Wed, Aug 24, 2022	18.32	18.66	18.16	18.32
7616	NASDAQ	PKOH	Tue, Aug 23, 2022	18.25	18.76	18.00	18.12
7615	NASDAQ	PKOH	Mon, Aug 22, 2022	18.50	18.80	18.16	18.22
7614	NASDAQ	PKOH	Fri, Aug 19, 2022	19.39	19.80	18.59	18.76
7613	NASDAQ	PKOH	Thu, Aug 18, 2022	19.71	20.12	18.58	19.50
7612	NASDAQ	PKOH	Wed, Aug 17, 2022	19.71	20.00	19.53	19.71
7611	NASDAQ	PKOH	Tue, Aug 16, 2022	19.77	20.36	19.65	20.18
7610	NASDAQ	PKOH	Mon, Aug 15, 2022	20.37	20.67	19.79	19.99
7609	NASDAQ	PKOH	Fri, Aug 12, 2022	20.41	20.90	19.97	20.73
7608	NASDAQ	PKOH	Thu, Aug 11, 2022	19.90	20.44	19.74	20.44
7607	NASDAQ	PKOH	Wed, Aug 10, 2022	19.82	20.06	19.42	19.56
7606	NASDAQ	PKOH	Tue, Aug 9, 2022	20.15	20.61	19.06	19.36
7605	NASDAQ	PKOH	Mon, Aug 8, 2022	19.82	21.36	19.73	20.25
7604	NASDAQ	PKOH	Fri, Aug 5, 2022	18.05	20.54	18.05	19.58
7603	NASDAQ	PKOH	Thu, Aug 4, 2022	17.90	18.94	17.80	18.44
7602	NASDAQ	PKOH	Wed, Aug 3, 2022	18.94	18.94	17.04	18.40
7601	NASDAQ	PKOH	Tue, Aug 2, 2022	18.14	19.83	18.00	19.22
7600	NASDAQ	PKOH	Mon, Aug 1, 2022	17.37	18.44	17.22	18.14
7599	NASDAQ	PKOH	Fri, Jul 29, 2022	17.46	17.99	17.31	17.75
7598	NASDAQ	PKOH	Thu, Jul 28, 2022	17.11	17.84	16.91	17.60
7597	NASDAQ	PKOH	Wed, Jul 27, 2022	17.10	17.33	16.98	17.21
7596	NASDAQ	PKOH	Tue, Jul 26, 2022	17.06	17.09	16.34	17.09
7595	NASDAQ	PKOH	Mon, Jul 25, 2022	17.07	17.59	17.00	17.01
7594	NASDAQ	PKOH	Fri, Jul 22, 2022	16.76	17.21	15.78	17.13
7593	NASDAQ	PKOH	Thu, Jul 21, 2022	16.75	17.02	16.33	16.89
7592	NASDAQ	PKOH	Wed, Jul 20, 2022	16.14	16.93	16.00	16.93
7591	NASDAQ	PKOH	Tue, Jul 19, 2022	15.94	16.81	15.94	15.99
7590	NASDAQ	PKOH	Mon, Jul 18, 2022	15.72	16.15	14.72	15.66
7589	NASDAQ	PKOH	Fri, Jul 15, 2022	14.70	15.75	14.61	15.43
7588	NASDAQ	PKOH	Thu, Jul 14, 2022	14.00	14.93	14.00	14.37
7587	NASDAQ	PKOH	Wed, Jul 13, 2022	14.26	14.79	14.18	14.23
7586	NASDAQ	PKOH	Tue, Jul 12, 2022	14.57	15.08	14.56	14.65
7585	NASDAQ	PKOH	Mon, Jul 11, 2022	15.74	16.00	14.67	14.67
7584	NASDAQ	PKOH	Fri, Jul 8, 2022	15.60	16.35	15.60	15.99
7583	NASDAQ	PKOH	Thu, Jul 7, 2022	15.46	16.41	15.02	15.85
7582	NASDAQ	PKOH	Wed, Jul 6, 2022	15.02	15.37	14.57	15.17
7581	NASDAQ	PKOH	Tue, Jul 5, 2022	15.15	15.18	14.62	14.89
7580	NASDAQ	PKOH	Fri, Jul 1, 2022	15.83	16.11	15.39	15.49
7579	NASDAQ	PKOH	Thu, Jun 30, 2022	15.85	16.10	15.30	15.86
7578	NASDAQ	PKOH	Wed, Jun 29, 2022	16.43	16.43	15.38	15.96
7577	NASDAQ	PKOH	Tue, Jun 28, 2022	17.71	17.93	16.34	16.35
7576	NASDAQ	PKOH	Mon, Jun 27, 2022	17.62	18.16	17.09	17.43
7575	NASDAQ	PKOH	Fri, Jun 24, 2022	16.63	18.09	16.63	17.62
7574	NASDAQ	PKOH	Thu, Jun 23, 2022	16.20	16.62	15.84	16.52
7573	NASDAQ	PKOH	Wed, Jun 22, 2022	15.15	16.51	14.82	16.24
7572	NASDAQ	PKOH	Tue, Jun 21, 2022	16.00	16.96	15.17	15.58
7571	NASDAQ	PKOH	Fri, Jun 17, 2022	15.60	16.23	15.45	15.58
7570	NASDAQ	PKOH	Thu, Jun 16, 2022	15.76	15.93	14.56	15.38
7569	NASDAQ	PKOH	Wed, Jun 15, 2022	16.73	17.45	16.07	16.19
7568	NASDAQ	PKOH	Tue, Jun 14, 2022	17.02	17.58	16.27	16.40
7567	NASDAQ	PKOH	Mon, Jun 13, 2022	17.88	17.88	15.99	16.96
7566	NASDAQ	PKOH	Fri, Jun 10, 2022	20.10	20.10	18.31	18.38
7565	NASDAQ	PKOH	Thu, Jun 9, 2022	20.03	21.21	19.37	20.18
7564	NASDAQ	PKOH	Wed, Jun 8, 2022	18.73	19.75	18.49	19.51
7563	NASDAQ	PKOH	Tue, Jun 7, 2022	16.07	18.89	16.00	18.73
7562	NASDAQ	PKOH	Mon, Jun 6, 2022	16.13	16.65	16.08	16.43
7561	NASDAQ	PKOH	Fri, Jun 3, 2022	15.76	16.72	15.47	16.04
7560	NASDAQ	PKOH	Thu, Jun 2, 2022	15.48	16.11	15.48	16.04
7559	NASDAQ	PKOH	Wed, Jun 1, 2022	15.73	15.97	15.36	15.51
7558	NASDAQ	PKOH	Tue, May 31, 2022	15.75	16.28	15.50	15.58
7557	NASDAQ	PKOH	Fri, May 27, 2022	15.24	15.94	15.10	15.88
7556	NASDAQ	PKOH	Thu, May 26, 2022	14.35	15.36	14.34	15.02
7555	NASDAQ	PKOH	Wed, May 25, 2022	13.91	14.51	13.91	14.36
7554	NASDAQ	PKOH	Tue, May 24, 2022	13.85	14.00	13.26	13.92
7553	NASDAQ	PKOH	Mon, May 23, 2022	14.02	14.35	13.57	14.05
7552	NASDAQ	PKOH	Fri, May 20, 2022	14.74	14.80	13.46	14.00
7551	NASDAQ	PKOH	Thu, May 19, 2022	14.68	15.14	14.05	14.49
7550	NASDAQ	PKOH	Wed, May 18, 2022	15.00	15.17	14.73	14.88
7549	NASDAQ	PKOH	Tue, May 17, 2022	14.79	15.32	14.74	15.17
7548	NASDAQ	PKOH	Mon, May 16, 2022	14.18	14.89	14.12	14.54
7547	NASDAQ	PKOH	Fri, May 13, 2022	14.24	14.51	13.91	14.31
7546	NASDAQ	PKOH	Thu, May 12, 2022	13.82	14.07	13.19	13.91
7545	NASDAQ	PKOH	Wed, May 11, 2022	12.70	14.24	12.37	14.00
7544	NASDAQ	PKOH	Tue, May 10, 2022	10.53	12.89	10.39	12.54
7543	NASDAQ	PKOH	Mon, May 9, 2022	9.58	9.90	9.23	9.86
7542	NASDAQ	PKOH	Fri, May 6, 2022	9.67	9.95	9.50	9.68
7541	NASDAQ	PKOH	Thu, May 5, 2022	10.31	10.38	9.41	9.80
7540	NASDAQ	PKOH	Wed, May 4, 2022	10.04	10.58	9.56	10.58
7539	NASDAQ	PKOH	Tue, May 3, 2022	10.04	10.37	9.80	10.03
7538	NASDAQ	PKOH	Mon, May 2, 2022	9.69	10.03	9.62	10.00
7537	NASDAQ	PKOH	Fri, Apr 29, 2022	10.46	10.76	9.54	9.59
7536	NASDAQ	PKOH	Thu, Apr 28, 2022	10.55	10.82	10.21	10.63
7535	NASDAQ	PKOH	Wed, Apr 27, 2022	11.14	11.24	10.26	10.40
7534	NASDAQ	PKOH	Tue, Apr 26, 2022	11.89	11.92	11.09	11.12
7533	NASDAQ	PKOH	Mon, Apr 25, 2022	11.87	12.26	11.40	12.12
7532	NASDAQ	PKOH	Fri, Apr 22, 2022	12.00	12.15	11.67	12.03
7531	NASDAQ	PKOH	Thu, Apr 21, 2022	12.65	12.65	11.87	12.10
7530	NASDAQ	PKOH	Wed, Apr 20, 2022	12.70	12.95	12.37	12.44
7529	NASDAQ	PKOH	Tue, Apr 19, 2022	12.25	12.71	11.86	12.64
7528	NASDAQ	PKOH	Mon, Apr 18, 2022	12.69	12.69	12.01	12.19
7527	NASDAQ	PKOH	Thu, Apr 14, 2022	12.83	13.02	12.53	12.57
7526	NASDAQ	PKOH	Wed, Apr 13, 2022	12.51	12.86	12.20	12.76
7525	NASDAQ	PKOH	Tue, Apr 12, 2022	12.55	12.87	12.19	12.46
7524	NASDAQ	PKOH	Mon, Apr 11, 2022	12.63	12.90	12.23	12.62
7523	NASDAQ	PKOH	Fri, Apr 8, 2022	12.65	12.91	12.47	12.61
7522	NASDAQ	PKOH	Thu, Apr 7, 2022	12.76	12.76	12.21	12.64
7521	NASDAQ	PKOH	Wed, Apr 6, 2022	12.75	13.03	12.21	12.72
7520	NASDAQ	PKOH	Tue, Apr 5, 2022	13.00	13.08	12.68	12.79
7519	NASDAQ	PKOH	Mon, Apr 4, 2022	12.88	13.14	12.23	12.95
7518	NASDAQ	PKOH	Fri, Apr 1, 2022	14.15	14.22	12.62	12.69
7517	NASDAQ	PKOH	Thu, Mar 31, 2022	14.94	15.11	13.91	14.07
7516	NASDAQ	PKOH	Wed, Mar 30, 2022	15.75	16.05	14.92	14.94
7515	NASDAQ	PKOH	Tue, Mar 29, 2022	15.13	15.80	15.02	15.57
7514	NASDAQ	PKOH	Mon, Mar 28, 2022	15.39	15.60	14.91	14.92
7513	NASDAQ	PKOH	Fri, Mar 25, 2022	15.32	15.52	14.99	15.39
7512	NASDAQ	PKOH	Thu, Mar 24, 2022	15.35	15.58	15.07	15.14
7511	NASDAQ	PKOH	Wed, Mar 23, 2022	15.10	15.74	14.91	15.40
7510	NASDAQ	PKOH	Tue, Mar 22, 2022	16.00	16.25	15.02	15.13
7509	NASDAQ	PKOH	Mon, Mar 21, 2022	15.65	16.20	15.27	16.05
7508	NASDAQ	PKOH	Fri, Mar 18, 2022	15.26	15.64	14.84	15.60
7507	NASDAQ	PKOH	Thu, Mar 17, 2022	15.46	16.24	15.37	16.15
7506	NASDAQ	PKOH	Wed, Mar 16, 2022	15.35	15.87	15.20	15.34
7505	NASDAQ	PKOH	Tue, Mar 15, 2022	14.87	15.30	14.52	15.09
7504	NASDAQ	PKOH	Mon, Mar 14, 2022	15.70	15.70	14.43	14.66
7503	NASDAQ	PKOH	Fri, Mar 11, 2022	15.85	15.98	15.15	15.68
7502	NASDAQ	PKOH	Thu, Mar 10, 2022	15.67	15.94	14.98	15.78
7501	NASDAQ	PKOH	Wed, Mar 9, 2022	15.84	16.30	15.76	16.10
7500	NASDAQ	PKOH	Tue, Mar 8, 2022	14.76	15.74	14.76	15.45
7499	NASDAQ	PKOH	Mon, Mar 7, 2022	14.60	15.00	14.17	14.76
7498	NASDAQ	PKOH	Fri, Mar 4, 2022	15.59	15.62	14.14	14.58
7497	NASDAQ	PKOH	Thu, Mar 3, 2022	15.28	15.90	15.07	15.90
7496	NASDAQ	PKOH	Wed, Mar 2, 2022	15.54	16.07	14.74	15.01
7495	NASDAQ	PKOH	Tue, Mar 1, 2022	15.50	15.86	14.61	15.50
7494	NASDAQ	PKOH	Mon, Feb 28, 2022	16.48	16.97	15.68	15.89
7493	NASDAQ	PKOH	Fri, Feb 25, 2022	15.79	16.96	15.52	16.66
7492	NASDAQ	PKOH	Thu, Feb 24, 2022	15.00	15.75	14.82	15.57
7491	NASDAQ	PKOH	Wed, Feb 23, 2022	16.47	16.47	15.29	15.40
7490	NASDAQ	PKOH	Tue, Feb 22, 2022	17.07	17.07	15.50	16.19
7489	NASDAQ	PKOH	Fri, Feb 18, 2022	17.58	17.66	16.95	17.04
7488	NASDAQ	PKOH	Thu, Feb 17, 2022	18.41	18.58	17.44	17.78
7487	NASDAQ	PKOH	Wed, Feb 16, 2022	18.20	19.15	17.67	18.61
7486	NASDAQ	PKOH	Tue, Feb 15, 2022	18.85	19.42	18.13	18.31
7485	NASDAQ	PKOH	Mon, Feb 14, 2022	17.76	19.00	17.24	18.64
7484	NASDAQ	PKOH	Fri, Feb 11, 2022	18.39	18.64	17.55	17.81
7483	NASDAQ	PKOH	Thu, Feb 10, 2022	18.33	19.65	18.12	18.24
7482	NASDAQ	PKOH	Wed, Feb 9, 2022	18.89	19.61	18.41	19.49
7481	NASDAQ	PKOH	Tue, Feb 8, 2022	18.53	19.68	18.41	18.89
7480	NASDAQ	PKOH	Mon, Feb 7, 2022	19.15	19.40	18.50	18.57
7479	NASDAQ	PKOH	Fri, Feb 4, 2022	19.12	19.55	18.26	19.07
7478	NASDAQ	PKOH	Thu, Feb 3, 2022	19.39	20.41	18.97	19.22
7477	NASDAQ	PKOH	Wed, Feb 2, 2022	19.39	19.68	18.75	19.51
7476	NASDAQ	PKOH	Tue, Feb 1, 2022	20.15	20.46	19.07	19.16
7475	NASDAQ	PKOH	Mon, Jan 31, 2022	18.93	20.26	18.67	20.24
7474	NASDAQ	PKOH	Fri, Jan 28, 2022	18.81	19.29	18.50	19.14
7473	NASDAQ	PKOH	Thu, Jan 27, 2022	19.64	20.19	18.51	19.49
7472	NASDAQ	PKOH	Wed, Jan 26, 2022	20.74	21.15	19.49	19.53
7471	NASDAQ	PKOH	Tue, Jan 25, 2022	20.25	20.59	19.28	20.37
7470	NASDAQ	PKOH	Mon, Jan 24, 2022	19.41	20.59	19.00	20.43
7469	NASDAQ	PKOH	Fri, Jan 21, 2022	20.72	21.00	19.57	19.59
7468	NASDAQ	PKOH	Thu, Jan 20, 2022	22.42	22.45	20.78	21.02
7467	NASDAQ	PKOH	Wed, Jan 19, 2022	22.65	23.21	22.13	22.35
7466	NASDAQ	PKOH	Tue, Jan 18, 2022	22.00	23.47	21.83	22.37
7465	NASDAQ	PKOH	Fri, Jan 14, 2022	22.70	22.96	22.14	22.45
7464	NASDAQ	PKOH	Thu, Jan 13, 2022	22.17	23.34	21.94	23.14
7463	NASDAQ	PKOH	Wed, Jan 12, 2022	22.12	22.12	21.70	21.88
7462	NASDAQ	PKOH	Tue, Jan 11, 2022	21.40	22.50	20.21	21.98
7461	NASDAQ	PKOH	Mon, Jan 10, 2022	21.86	21.86	20.79	21.75
7460	NASDAQ	PKOH	Fri, Jan 7, 2022	22.71	23.00	22.42	22.42
7459	NASDAQ	PKOH	Thu, Jan 6, 2022	22.77	23.00	22.42	22.81
7458	NASDAQ	PKOH	Wed, Jan 5, 2022	22.32	23.20	22.32	22.59
7457	NASDAQ	PKOH	Tue, Jan 4, 2022	21.95	22.30	21.53	22.19
7456	NASDAQ	PKOH	Mon, Jan 3, 2022	21.37	21.76	21.19	21.62
7455	NASDAQ	PKOH	Fri, Dec 31, 2021	21.30	21.93	21.08	21.17
7454	NASDAQ	PKOH	Thu, Dec 30, 2021	21.00	21.91	20.87	21.54
7453	NASDAQ	PKOH	Wed, Dec 29, 2021	21.09	22.17	20.27	20.78
7452	NASDAQ	PKOH	Tue, Dec 28, 2021	20.20	21.50	20.20	21.15
7451	NASDAQ	PKOH	Mon, Dec 27, 2021	21.50	22.50	19.97	20.07
7450	NASDAQ	PKOH	Thu, Dec 23, 2021	20.15	22.30	20.15	21.48
7449	NASDAQ	PKOH	Wed, Dec 22, 2021	20.25	20.78	19.76	19.95
7448	NASDAQ	PKOH	Tue, Dec 21, 2021	19.52	20.28	19.12	20.18
7447	NASDAQ	PKOH	Mon, Dec 20, 2021	20.47	20.47	18.80	19.22
7446	NASDAQ	PKOH	Fri, Dec 17, 2021	19.45	21.03	19.32	20.67
7445	NASDAQ	PKOH	Thu, Dec 16, 2021	20.55	21.24	19.42	19.70
7444	NASDAQ	PKOH	Wed, Dec 15, 2021	19.66	20.85	19.13	20.51
7443	NASDAQ	PKOH	Tue, Dec 14, 2021	20.39	21.11	19.42	19.76
7442	NASDAQ	PKOH	Mon, Dec 13, 2021	20.50	21.10	19.42	20.43
7441	NASDAQ	PKOH	Fri, Dec 10, 2021	21.88	22.58	20.31	20.51
7440	NASDAQ	PKOH	Thu, Dec 9, 2021	21.33	22.50	21.07	21.84
7439	NASDAQ	PKOH	Wed, Dec 8, 2021	21.43	21.87	20.56	21.54
7438	NASDAQ	PKOH	Tue, Dec 7, 2021	21.95	23.05	21.13	21.53
7437	NASDAQ	PKOH	Mon, Dec 6, 2021	21.55	22.10	20.91	21.64
7436	NASDAQ	PKOH	Fri, Dec 3, 2021	21.12	21.53	20.60	21.26
7435	NASDAQ	PKOH	Thu, Dec 2, 2021	19.63	21.32	18.86	21.22
7434	NASDAQ	PKOH	Wed, Dec 1, 2021	21.70	21.79	18.95	19.44
7433	NASDAQ	PKOH	Tue, Nov 30, 2021	21.73	22.32	20.64	21.11
7432	NASDAQ	PKOH	Mon, Nov 29, 2021	21.31	22.60	21.31	22.10
7431	NASDAQ	PKOH	Fri, Nov 26, 2021	21.57	22.49	20.56	21.11
7430	NASDAQ	PKOH	Wed, Nov 24, 2021	21.33	22.32	20.97	22.10
7429	NASDAQ	PKOH	Tue, Nov 23, 2021	21.69	21.69	20.48	20.89
7428	NASDAQ	PKOH	Mon, Nov 22, 2021	21.99	22.87	21.43	21.60
7427	NASDAQ	PKOH	Fri, Nov 19, 2021	22.56	22.56	21.37	21.72
7426	NASDAQ	PKOH	Thu, Nov 18, 2021	23.16	23.16	22.50	22.69
7425	NASDAQ	PKOH	Wed, Nov 17, 2021	23.23	24.48	22.01	23.01
7424	NASDAQ	PKOH	Tue, Nov 16, 2021	24.61	25.44	23.10	23.36
7423	NASDAQ	PKOH	Mon, Nov 15, 2021	23.74	24.99	23.09	24.79
7422	NASDAQ	PKOH	Fri, Nov 12, 2021	24.80	24.82	23.01	23.50
7421	NASDAQ	PKOH	Thu, Nov 11, 2021	24.73	25.57	24.65	24.65
7420	NASDAQ	PKOH	Wed, Nov 10, 2021	24.98	25.53	24.20	24.61
7419	NASDAQ	PKOH	Tue, Nov 9, 2021	24.67	26.59	24.67	25.11
7418	NASDAQ	PKOH	Mon, Nov 8, 2021	25.62	26.91	24.63	24.63
7417	NASDAQ	PKOH	Fri, Nov 5, 2021	24.44	25.70	24.44	25.49
7416	NASDAQ	PKOH	Thu, Nov 4, 2021	25.00	25.44	24.10	24.31
7415	NASDAQ	PKOH	Wed, Nov 3, 2021	24.17	25.83	24.17	25.05
7414	NASDAQ	PKOH	Tue, Nov 2, 2021	25.14	25.38	24.31	24.53
7413	NASDAQ	PKOH	Mon, Nov 1, 2021	23.58	25.28	23.03	25.05
7412	NASDAQ	PKOH	Fri, Oct 29, 2021	23.62	24.41	23.28	23.32
7411	NASDAQ	PKOH	Thu, Oct 28, 2021	23.80	24.39	23.73	23.87
7410	NASDAQ	PKOH	Wed, Oct 27, 2021	23.69	24.36	23.36	23.69
7409	NASDAQ	PKOH	Tue, Oct 26, 2021	23.86	24.26	23.60	23.71
7408	NASDAQ	PKOH	Mon, Oct 25, 2021	23.75	23.80	22.83	23.66
7407	NASDAQ	PKOH	Fri, Oct 22, 2021	22.94	23.77	22.94	23.50
7406	NASDAQ	PKOH	Thu, Oct 21, 2021	23.86	24.00	22.95	23.06
7405	NASDAQ	PKOH	Wed, Oct 20, 2021	23.35	24.13	23.35	23.85
7404	NASDAQ	PKOH	Tue, Oct 19, 2021	24.13	24.25	23.14	23.30
7403	NASDAQ	PKOH	Mon, Oct 18, 2021	23.49	24.41	23.49	24.16
7402	NASDAQ	PKOH	Fri, Oct 15, 2021	24.26	24.57	23.34	23.34
7401	NASDAQ	PKOH	Thu, Oct 14, 2021	23.64	24.14	23.03	23.83
7400	NASDAQ	PKOH	Wed, Oct 13, 2021	24.44	25.00	23.01	23.42
7399	NASDAQ	PKOH	Tue, Oct 12, 2021	24.36	24.99	24.19	24.30
7398	NASDAQ	PKOH	Mon, Oct 11, 2021	24.72	24.95	24.35	24.49
7397	NASDAQ	PKOH	Fri, Oct 8, 2021	24.51	24.98	24.28	24.55
7396	NASDAQ	PKOH	Thu, Oct 7, 2021	24.33	24.76	24.19	24.51
7395	NASDAQ	PKOH	Wed, Oct 6, 2021	24.55	24.92	24.06	24.33
7394	NASDAQ	PKOH	Tue, Oct 5, 2021	24.65	25.31	24.65	24.70
7393	NASDAQ	PKOH	Mon, Oct 4, 2021	24.75	24.99	24.72	24.72
7392	NASDAQ	PKOH	Fri, Oct 1, 2021	25.72	26.10	24.90	25.13
7391	NASDAQ	PKOH	Thu, Sep 30, 2021	25.48	25.83	25.33	25.52
7390	NASDAQ	PKOH	Wed, Sep 29, 2021	24.67	25.79	24.40	25.65
7389	NASDAQ	PKOH	Tue, Sep 28, 2021	24.45	25.26	24.40	24.75
7388	NASDAQ	PKOH	Mon, Sep 27, 2021	23.75	25.00	23.75	24.64
7387	NASDAQ	PKOH	Fri, Sep 24, 2021	24.11	24.32	23.90	23.97
7386	NASDAQ	PKOH	Thu, Sep 23, 2021	24.02	24.59	23.90	24.36
7385	NASDAQ	PKOH	Wed, Sep 22, 2021	23.60	24.40	23.60	23.95
7384	NASDAQ	PKOH	Tue, Sep 21, 2021	24.06	24.06	23.39	23.57
7383	NASDAQ	PKOH	Mon, Sep 20, 2021	22.51	24.22	22.51	23.84
7382	NASDAQ	PKOH	Fri, Sep 17, 2021	23.98	24.21	22.80	22.84
7381	NASDAQ	PKOH	Thu, Sep 16, 2021	24.98	25.11	23.49	23.98
7380	NASDAQ	PKOH	Wed, Sep 15, 2021	25.56	25.95	24.61	25.10
7379	NASDAQ	PKOH	Tue, Sep 14, 2021	26.11	26.85	24.52	25.51
7378	NASDAQ	PKOH	Mon, Sep 13, 2021	27.53	28.08	25.88	26.20
7377	NASDAQ	PKOH	Fri, Sep 10, 2021	26.42	28.08	26.42	27.41
7376	NASDAQ	PKOH	Thu, Sep 9, 2021	27.39	28.35	25.63	26.20
7375	NASDAQ	PKOH	Wed, Sep 8, 2021	27.30	28.00	26.62	27.56
7374	NASDAQ	PKOH	Tue, Sep 7, 2021	28.60	28.90	26.75	27.16
7373	NASDAQ	PKOH	Fri, Sep 3, 2021	26.28	28.66	26.28	28.00
7372	NASDAQ	PKOH	Thu, Sep 2, 2021	27.10	28.04	26.13	26.30
7371	NASDAQ	PKOH	Wed, Sep 1, 2021	26.30	27.50	26.05	26.68
7370	NASDAQ	PKOH	Tue, Aug 31, 2021	26.50	26.84	25.54	25.78
7369	NASDAQ	PKOH	Mon, Aug 30, 2021	25.60	27.03	25.25	26.64
7368	NASDAQ	PKOH	Fri, Aug 27, 2021	25.88	27.51	25.35	25.55
7367	NASDAQ	PKOH	Thu, Aug 26, 2021	24.39	26.48	24.35	25.85
7366	NASDAQ	PKOH	Wed, Aug 25, 2021	26.16	26.16	24.38	24.39
7365	NASDAQ	PKOH	Tue, Aug 24, 2021	25.24	25.86	25.07	25.33
7364	NASDAQ	PKOH	Mon, Aug 23, 2021	24.30	24.66	24.06	24.50
7363	NASDAQ	PKOH	Fri, Aug 20, 2021	23.43	24.07	23.43	23.86
7362	NASDAQ	PKOH	Thu, Aug 19, 2021	24.01	24.20	23.28	23.64
7361	NASDAQ	PKOH	Wed, Aug 18, 2021	24.70	24.79	24.23	24.24
7360	NASDAQ	PKOH	Tue, Aug 17, 2021	24.92	24.92	24.05	24.32
7359	NASDAQ	PKOH	Mon, Aug 16, 2021	24.20	24.75	24.10	24.52
7358	NASDAQ	PKOH	Fri, Aug 13, 2021	24.85	25.29	24.00	24.16
7357	NASDAQ	PKOH	Thu, Aug 12, 2021	24.74	25.24	24.35	24.78
7356	NASDAQ	PKOH	Wed, Aug 11, 2021	25.35	25.95	24.17	24.44
7355	NASDAQ	PKOH	Tue, Aug 10, 2021	25.36	26.21	25.10	25.58
7354	NASDAQ	PKOH	Mon, Aug 9, 2021	24.08	25.66	23.40	25.24
7353	NASDAQ	PKOH	Fri, Aug 6, 2021	25.68	25.78	23.77	24.08
7352	NASDAQ	PKOH	Thu, Aug 5, 2021	25.69	26.11	24.57	25.40
7351	NASDAQ	PKOH	Wed, Aug 4, 2021	27.10	27.74	25.26	25.48
7350	NASDAQ	PKOH	Tue, Aug 3, 2021	28.43	29.51	27.61	29.48
7349	NASDAQ	PKOH	Mon, Aug 2, 2021	29.40	30.66	28.41	28.60
7348	NASDAQ	PKOH	Fri, Jul 30, 2021	28.79	29.90	28.53	29.09
7347	NASDAQ	PKOH	Thu, Jul 29, 2021	30.51	30.63	29.00	29.00
7346	NASDAQ	PKOH	Wed, Jul 28, 2021	29.95	30.61	29.00	30.58
7345	NASDAQ	PKOH	Tue, Jul 27, 2021	30.38	30.38	28.96	29.21
7344	NASDAQ	PKOH	Mon, Jul 26, 2021	29.63	30.98	29.63	30.98
7343	NASDAQ	PKOH	Fri, Jul 23, 2021	30.80	30.80	29.10	29.57
7342	NASDAQ	PKOH	Thu, Jul 22, 2021	31.49	31.49	30.27	30.57
7341	NASDAQ	PKOH	Wed, Jul 21, 2021	29.35	31.83	29.35	31.75
7340	NASDAQ	PKOH	Tue, Jul 20, 2021	29.89	31.06	28.25	28.76
7339	NASDAQ	PKOH	Mon, Jul 19, 2021	29.95	29.95	28.69	29.21
7338	NASDAQ	PKOH	Fri, Jul 16, 2021	31.33	31.66	30.48	30.65
7337	NASDAQ	PKOH	Thu, Jul 15, 2021	31.25	32.03	30.52	31.12
7336	NASDAQ	PKOH	Wed, Jul 14, 2021	32.34	32.39	31.50	31.52
7335	NASDAQ	PKOH	Tue, Jul 13, 2021	32.37	32.61	31.57	32.20
7334	NASDAQ	PKOH	Mon, Jul 12, 2021	32.90	32.90	32.16	32.47
7333	NASDAQ	PKOH	Fri, Jul 9, 2021	32.33	33.06	32.07	32.98
7332	NASDAQ	PKOH	Thu, Jul 8, 2021	31.25	32.63	31.16	31.77
7331	NASDAQ	PKOH	Wed, Jul 7, 2021	32.10	32.85	31.87	32.08
7330	NASDAQ	PKOH	Tue, Jul 6, 2021	31.52	32.09	31.45	31.56
7329	NASDAQ	PKOH	Fri, Jul 2, 2021	32.38	32.38	31.54	31.61
7328	NASDAQ	PKOH	Thu, Jul 1, 2021	32.57	33.06	31.74	32.26
7327	NASDAQ	PKOH	Wed, Jun 30, 2021	32.02	32.69	32.02	32.14
7326	NASDAQ	PKOH	Tue, Jun 29, 2021	32.20	32.36	31.45	31.95
7325	NASDAQ	PKOH	Mon, Jun 28, 2021	33.40	33.40	31.73	31.90
7324	NASDAQ	PKOH	Fri, Jun 25, 2021	33.50	34.50	33.33	33.34
7323	NASDAQ	PKOH	Thu, Jun 24, 2021	33.73	33.80	32.80	33.30
7322	NASDAQ	PKOH	Wed, Jun 23, 2021	33.94	34.51	33.34	33.84
7321	NASDAQ	PKOH	Tue, Jun 22, 2021	32.97	33.91	32.36	33.64
7320	NASDAQ	PKOH	Mon, Jun 21, 2021	32.59	33.54	31.83	33.09
7319	NASDAQ	PKOH	Fri, Jun 18, 2021	33.13	33.13	32.06	32.19
7318	NASDAQ	PKOH	Thu, Jun 17, 2021	35.35	35.60	33.77	33.77
7317	NASDAQ	PKOH	Wed, Jun 16, 2021	35.74	36.31	35.05	35.05
7316	NASDAQ	PKOH	Tue, Jun 15, 2021	35.70	36.05	35.70	35.99
7315	NASDAQ	PKOH	Mon, Jun 14, 2021	35.60	36.15	35.55	35.83
7314	NASDAQ	PKOH	Fri, Jun 11, 2021	35.76	36.37	35.60	35.92
7313	NASDAQ	PKOH	Thu, Jun 10, 2021	36.88	36.88	35.46	35.46
7312	NASDAQ	PKOH	Wed, Jun 9, 2021	36.51	36.80	35.84	36.44
7311	NASDAQ	PKOH	Tue, Jun 8, 2021	36.37	37.10	36.35	36.58
7310	NASDAQ	PKOH	Mon, Jun 7, 2021	37.10	37.10	36.29	36.42
7309	NASDAQ	PKOH	Fri, Jun 4, 2021	36.91	37.18	36.53	36.82
7308	NASDAQ	PKOH	Thu, Jun 3, 2021	37.47	37.54	36.54	36.93
7307	NASDAQ	PKOH	Wed, Jun 2, 2021	37.85	38.38	36.70	37.05
7306	NASDAQ	PKOH	Tue, Jun 1, 2021	37.22	38.20	37.09	37.39
7305	NASDAQ	PKOH	Fri, May 28, 2021	36.56	37.11	36.50	36.89
7304	NASDAQ	PKOH	Thu, May 27, 2021	36.17	37.00	36.10	36.30
7303	NASDAQ	PKOH	Wed, May 26, 2021	36.00	36.03	35.62	35.81
7302	NASDAQ	PKOH	Tue, May 25, 2021	36.43	36.73	35.85	35.93
7301	NASDAQ	PKOH	Mon, May 24, 2021	36.17	36.63	36.00	36.37
7300	NASDAQ	PKOH	Fri, May 21, 2021	36.00	36.60	35.39	36.38
7299	NASDAQ	PKOH	Thu, May 20, 2021	35.68	36.63	35.10	35.42
7298	NASDAQ	PKOH	Wed, May 19, 2021	35.00	36.07	34.03	35.87
7297	NASDAQ	PKOH	Tue, May 18, 2021	36.00	36.95	35.29	35.36
7296	NASDAQ	PKOH	Mon, May 17, 2021	35.45	36.89	35.15	35.70
7295	NASDAQ	PKOH	Fri, May 14, 2021	34.50	36.97	34.36	35.91
7294	NASDAQ	PKOH	Thu, May 13, 2021	34.28	36.19	32.84	33.87
7293	NASDAQ	PKOH	Wed, May 12, 2021	35.77	36.73	33.32	33.77
7292	NASDAQ	PKOH	Tue, May 11, 2021	35.04	36.32	34.82	35.89
7291	NASDAQ	PKOH	Mon, May 10, 2021	38.04	38.50	35.72	35.73
7290	NASDAQ	PKOH	Fri, May 7, 2021	37.28	38.29	37.17	37.92
7289	NASDAQ	PKOH	Thu, May 6, 2021	37.74	37.74	35.87	37.60
7288	NASDAQ	PKOH	Wed, May 5, 2021	37.42	38.04	37.00	37.28
7287	NASDAQ	PKOH	Tue, May 4, 2021	36.79	37.96	36.18	37.20
7286	NASDAQ	PKOH	Mon, May 3, 2021	36.87	37.93	36.84	37.54
7285	NASDAQ	PKOH	Fri, Apr 30, 2021	35.94	37.26	35.94	36.31
7284	NASDAQ	PKOH	Thu, Apr 29, 2021	36.73	37.05	35.09	36.60
7283	NASDAQ	PKOH	Wed, Apr 28, 2021	35.44	36.56	35.19	36.14
7282	NASDAQ	PKOH	Tue, Apr 27, 2021	35.25	35.91	35.00	35.26
7281	NASDAQ	PKOH	Mon, Apr 26, 2021	35.25	35.32	35.00	35.06
7280	NASDAQ	PKOH	Fri, Apr 23, 2021	34.58	35.43	34.58	34.75
7279	NASDAQ	PKOH	Thu, Apr 22, 2021	35.40	35.83	34.27	34.41
7278	NASDAQ	PKOH	Wed, Apr 21, 2021	32.52	35.34	32.52	34.92
7277	NASDAQ	PKOH	Tue, Apr 20, 2021	34.61	34.92	33.11	33.90
7276	NASDAQ	PKOH	Mon, Apr 19, 2021	35.21	35.38	34.09	34.75
7275	NASDAQ	PKOH	Fri, Apr 16, 2021	34.33	35.95	34.33	35.17
7274	NASDAQ	PKOH	Thu, Apr 15, 2021	33.90	35.09	33.88	34.79
7273	NASDAQ	PKOH	Wed, Apr 14, 2021	34.10	34.39	33.79	34.08
7272	NASDAQ	PKOH	Tue, Apr 13, 2021	35.44	35.59	34.14	34.27
7271	NASDAQ	PKOH	Mon, Apr 12, 2021	34.86	35.64	34.86	35.50
7270	NASDAQ	PKOH	Fri, Apr 9, 2021	34.05	34.84	34.05	34.52
7269	NASDAQ	PKOH	Thu, Apr 8, 2021	33.71	34.16	33.56	33.98
7268	NASDAQ	PKOH	Wed, Apr 7, 2021	34.58	34.70	33.08	33.60
7267	NASDAQ	PKOH	Tue, Apr 6, 2021	34.01	35.47	34.01	34.76
7266	NASDAQ	PKOH	Mon, Apr 5, 2021	33.57	34.75	33.27	34.04
7265	NASDAQ	PKOH	Thu, Apr 1, 2021	31.71	34.01	31.71	33.24
7264	NASDAQ	PKOH	Wed, Mar 31, 2021	31.80	33.95	30.82	31.49
7263	NASDAQ	PKOH	Tue, Mar 30, 2021	32.14	33.02	31.29	31.98
7262	NASDAQ	PKOH	Mon, Mar 29, 2021	32.50	33.00	31.18	31.64
7261	NASDAQ	PKOH	Fri, Mar 26, 2021	32.17	32.87	31.64	32.69
7260	NASDAQ	PKOH	Thu, Mar 25, 2021	31.15	32.35	30.75	31.70
7259	NASDAQ	PKOH	Wed, Mar 24, 2021	33.18	33.82	31.25	31.26
7258	NASDAQ	PKOH	Tue, Mar 23, 2021	35.21	35.69	32.45	32.72
7257	NASDAQ	PKOH	Mon, Mar 22, 2021	35.52	37.41	34.60	35.27
7256	NASDAQ	PKOH	Fri, Mar 19, 2021	36.06	36.18	35.17	35.57
7255	NASDAQ	PKOH	Thu, Mar 18, 2021	36.95	38.69	36.06	36.45
7254	NASDAQ	PKOH	Wed, Mar 17, 2021	37.03	37.91	36.07	36.71
7253	NASDAQ	PKOH	Tue, Mar 16, 2021	37.41	38.76	36.22	36.72
7252	NASDAQ	PKOH	Mon, Mar 15, 2021	40.65	40.65	38.24	38.55
7251	NASDAQ	PKOH	Fri, Mar 12, 2021	40.95	41.38	38.48	39.90
7250	NASDAQ	PKOH	Thu, Mar 11, 2021	40.37	41.54	38.97	40.60
7249	NASDAQ	PKOH	Wed, Mar 10, 2021	37.65	41.02	37.65	40.23
7248	NASDAQ	PKOH	Tue, Mar 9, 2021	40.27	40.27	38.22	38.44
7247	NASDAQ	PKOH	Mon, Mar 8, 2021	39.00	41.78	38.72	40.20
7246	NASDAQ	PKOH	Fri, Mar 5, 2021	38.58	39.61	37.45	39.03
7245	NASDAQ	PKOH	Thu, Mar 4, 2021	38.74	39.56	35.97	37.34
7244	NASDAQ	PKOH	Wed, Mar 3, 2021	35.38	38.66	35.38	38.41
7243	NASDAQ	PKOH	Tue, Mar 2, 2021	35.74	37.21	34.43	34.65
7242	NASDAQ	PKOH	Mon, Mar 1, 2021	33.49	35.99	33.49	35.51
7241	NASDAQ	PKOH	Fri, Feb 26, 2021	34.12	34.12	32.19	32.33
7240	NASDAQ	PKOH	Thu, Feb 25, 2021	33.90	34.60	33.50	34.21
7239	NASDAQ	PKOH	Wed, Feb 24, 2021	33.53	34.50	33.28	34.12
7238	NASDAQ	PKOH	Tue, Feb 23, 2021	33.25	33.80	32.41	33.06
7237	NASDAQ	PKOH	Mon, Feb 22, 2021	32.24	33.45	32.24	33.37
7236	NASDAQ	PKOH	Fri, Feb 19, 2021	30.95	32.89	30.95	32.43
7235	NASDAQ	PKOH	Thu, Feb 18, 2021	32.10	32.20	30.10	30.78
7234	NASDAQ	PKOH	Wed, Feb 17, 2021	31.60	32.50	28.96	32.10
7233	NASDAQ	PKOH	Tue, Feb 16, 2021	31.01	32.54	30.16	31.63
7232	NASDAQ	PKOH	Fri, Feb 12, 2021	30.63	31.52	29.92	31.05
7231	NASDAQ	PKOH	Thu, Feb 11, 2021	31.53	31.53	30.00	30.82
7230	NASDAQ	PKOH	Wed, Feb 10, 2021	32.55	32.55	31.00	31.31
7229	NASDAQ	PKOH	Tue, Feb 9, 2021	31.81	32.56	31.58	32.34
7228	NASDAQ	PKOH	Mon, Feb 8, 2021	32.15	32.60	31.47	31.58
7227	NASDAQ	PKOH	Fri, Feb 5, 2021	32.25	32.25	30.64	31.50
7226	NASDAQ	PKOH	Thu, Feb 4, 2021	29.08	32.50	28.51	31.63
7225	NASDAQ	PKOH	Wed, Feb 3, 2021	27.96	29.60	27.96	28.98
7224	NASDAQ	PKOH	Tue, Feb 2, 2021	29.36	29.92	28.73	28.73
7223	NASDAQ	PKOH	Mon, Feb 1, 2021	27.71	29.62	27.69	29.25
7222	NASDAQ	PKOH	Fri, Jan 29, 2021	26.51	28.37	26.42	28.19
7221	NASDAQ	PKOH	Thu, Jan 28, 2021	28.00	28.45	26.51	26.51
7220	NASDAQ	PKOH	Wed, Jan 27, 2021	28.67	28.67	26.90	27.50
7219	NASDAQ	PKOH	Tue, Jan 26, 2021	30.17	30.17	28.42	29.57
7218	NASDAQ	PKOH	Mon, Jan 25, 2021	30.45	30.83	29.57	29.67
7217	NASDAQ	PKOH	Fri, Jan 22, 2021	30.76	31.42	30.27	31.05
7216	NASDAQ	PKOH	Thu, Jan 21, 2021	31.35	31.82	30.68	31.33
7215	NASDAQ	PKOH	Wed, Jan 20, 2021	31.05	31.98	31.05	31.38
7214	NASDAQ	PKOH	Tue, Jan 19, 2021	31.81	32.03	31.19	31.84
7213	NASDAQ	PKOH	Fri, Jan 15, 2021	31.50	32.00	31.07	31.15
7212	NASDAQ	PKOH	Thu, Jan 14, 2021	31.85	32.50	31.29	32.00
7211	NASDAQ	PKOH	Wed, Jan 13, 2021	32.50	32.85	31.33	31.33
7210	NASDAQ	PKOH	Tue, Jan 12, 2021	32.40	32.90	31.98	32.75
7209	NASDAQ	PKOH	Mon, Jan 11, 2021	31.66	32.90	31.66	32.21
7208	NASDAQ	PKOH	Fri, Jan 8, 2021	33.15	33.17	31.27	32.09
7207	NASDAQ	PKOH	Thu, Jan 7, 2021	33.38	33.50	32.13	32.91
7206	NASDAQ	PKOH	Wed, Jan 6, 2021	31.05	34.00	30.00	32.96
7205	NASDAQ	PKOH	Tue, Jan 5, 2021	29.96	32.07	29.96	30.10
7204	NASDAQ	PKOH	Mon, Jan 4, 2021	31.38	32.54	29.70	29.82
7203	NASDAQ	PKOH	Thu, Dec 31, 2020	30.75	31.20	30.58	30.90
7202	NASDAQ	PKOH	Wed, Dec 30, 2020	30.10	30.95	30.10	30.45
7201	NASDAQ	PKOH	Tue, Dec 29, 2020	30.01	31.25	29.68	30.27
7200	NASDAQ	PKOH	Mon, Dec 28, 2020	29.42	31.82	29.42	30.90
7199	NASDAQ	PKOH	Thu, Dec 24, 2020	30.46	31.20	29.16	30.15
7198	NASDAQ	PKOH	Wed, Dec 23, 2020	30.13	31.59	29.89	30.56
7197	NASDAQ	PKOH	Tue, Dec 22, 2020	31.85	33.41	29.48	29.81
7196	NASDAQ	PKOH	Mon, Dec 21, 2020	31.85	34.00	30.43	31.58
7195	NASDAQ	PKOH	Fri, Dec 18, 2020	33.47	34.40	31.97	32.08
7194	NASDAQ	PKOH	Thu, Dec 17, 2020	33.70	34.00	31.93	33.23
7193	NASDAQ	PKOH	Wed, Dec 16, 2020	33.81	34.21	33.15	33.59
7192	NASDAQ	PKOH	Tue, Dec 15, 2020	31.98	33.99	31.96	33.68
7191	NASDAQ	PKOH	Mon, Dec 14, 2020	32.08	32.86	31.28	31.63
7190	NASDAQ	PKOH	Fri, Dec 11, 2020	32.45	33.38	31.58	32.39
7189	NASDAQ	PKOH	Thu, Dec 10, 2020	31.01	32.98	31.01	32.80
7188	NASDAQ	PKOH	Wed, Dec 9, 2020	32.35	32.50	31.63	32.39
7187	NASDAQ	PKOH	Tue, Dec 8, 2020	30.41	31.82	30.28	31.75
7186	NASDAQ	PKOH	Mon, Dec 7, 2020	32.34	32.61	30.11	30.66
7185	NASDAQ	PKOH	Fri, Dec 4, 2020	30.30	31.78	30.15	31.61
7184	NASDAQ	PKOH	Thu, Dec 3, 2020	29.33	30.52	29.29	30.06
7183	NASDAQ	PKOH	Wed, Dec 2, 2020	28.70	29.94	27.65	29.50
7182	NASDAQ	PKOH	Tue, Dec 1, 2020	27.45	29.02	27.45	28.78
7181	NASDAQ	PKOH	Mon, Nov 30, 2020	28.91	28.95	28.02	28.09
7180	NASDAQ	PKOH	Fri, Nov 27, 2020	28.85	28.89	27.90	28.84
7179	NASDAQ	PKOH	Wed, Nov 25, 2020	27.12	29.12	26.11	28.84
7178	NASDAQ	PKOH	Tue, Nov 24, 2020	27.27	28.47	26.31	28.25
7177	NASDAQ	PKOH	Mon, Nov 23, 2020	26.61	27.52	26.18	26.47
7176	NASDAQ	PKOH	Fri, Nov 20, 2020	26.65	27.10	25.48	26.28
7175	NASDAQ	PKOH	Thu, Nov 19, 2020	26.73	27.56	26.67	27.08
7174	NASDAQ	PKOH	Wed, Nov 18, 2020	26.80	27.50	26.66	26.78
7173	NASDAQ	PKOH	Tue, Nov 17, 2020	26.23	26.81	24.80	26.75
7172	NASDAQ	PKOH	Mon, Nov 16, 2020	25.75	26.93	25.73	26.52
7171	NASDAQ	PKOH	Fri, Nov 13, 2020	25.12	25.49	24.19	25.13
7170	NASDAQ	PKOH	Thu, Nov 12, 2020	25.66	26.12	25.26	25.54
7169	NASDAQ	PKOH	Wed, Nov 11, 2020	27.44	28.08	25.04	25.64
7168	NASDAQ	PKOH	Tue, Nov 10, 2020	26.19	28.88	25.62	27.31
7167	NASDAQ	PKOH	Mon, Nov 9, 2020	24.86	26.59	24.30	25.98
7166	NASDAQ	PKOH	Fri, Nov 6, 2020	22.56	23.39	22.09	23.15
7165	NASDAQ	PKOH	Thu, Nov 5, 2020	23.17	23.50	22.25	22.45
7164	NASDAQ	PKOH	Wed, Nov 4, 2020	21.76	23.32	21.58	21.87
7163	NASDAQ	PKOH	Tue, Nov 3, 2020	21.51	22.43	21.07	22.16
7162	NASDAQ	PKOH	Mon, Nov 2, 2020	20.09	20.81	20.09	20.81
7161	NASDAQ	PKOH	Fri, Oct 30, 2020	19.65	19.90	17.69	19.74
7160	NASDAQ	PKOH	Thu, Oct 29, 2020	19.18	20.10	18.30	19.90
7159	NASDAQ	PKOH	Wed, Oct 28, 2020	19.69	20.40	19.00	19.27
7158	NASDAQ	PKOH	Tue, Oct 27, 2020	21.09	21.09	18.95	20.36
7157	NASDAQ	PKOH	Mon, Oct 26, 2020	19.81	22.02	19.52	21.03
7156	NASDAQ	PKOH	Fri, Oct 23, 2020	19.19	20.39	18.97	20.03
7155	NASDAQ	PKOH	Thu, Oct 22, 2020	18.80	19.31	18.71	19.08
7154	NASDAQ	PKOH	Wed, Oct 21, 2020	18.85	19.12	18.47	18.91
7153	NASDAQ	PKOH	Tue, Oct 20, 2020	19.07	19.33	18.90	19.02
7152	NASDAQ	PKOH	Mon, Oct 19, 2020	19.05	19.46	18.71	18.72
7151	NASDAQ	PKOH	Fri, Oct 16, 2020	18.76	19.29	18.52	19.04
7150	NASDAQ	PKOH	Thu, Oct 15, 2020	17.93	18.90	17.93	18.90
7149	NASDAQ	PKOH	Wed, Oct 14, 2020	18.17	18.26	17.97	17.97
7148	NASDAQ	PKOH	Tue, Oct 13, 2020	18.37	18.57	17.98	18.13
7147	NASDAQ	PKOH	Mon, Oct 12, 2020	18.31	18.35	17.90	18.34
7146	NASDAQ	PKOH	Fri, Oct 9, 2020	18.42	18.49	16.58	18.03
7145	NASDAQ	PKOH	Thu, Oct 8, 2020	16.92	18.29	16.92	18.12
7144	NASDAQ	PKOH	Wed, Oct 7, 2020	16.75	17.75	16.50	16.75
7143	NASDAQ	PKOH	Tue, Oct 6, 2020	17.16	17.63	16.51	16.61
7142	NASDAQ	PKOH	Mon, Oct 5, 2020	17.43	18.67	16.71	17.15
7141	NASDAQ	PKOH	Fri, Oct 2, 2020	16.02	17.46	15.51	17.29
7140	NASDAQ	PKOH	Thu, Oct 1, 2020	16.30	16.46	15.90	15.96
7139	NASDAQ	PKOH	Wed, Sep 30, 2020	16.38	16.84	15.95	16.07
7138	NASDAQ	PKOH	Tue, Sep 29, 2020	16.35	16.57	16.05	16.20
7137	NASDAQ	PKOH	Mon, Sep 28, 2020	15.92	16.95	15.92	16.47
7136	NASDAQ	PKOH	Fri, Sep 25, 2020	15.62	15.88	15.30	15.47
7135	NASDAQ	PKOH	Thu, Sep 24, 2020	15.03	15.94	14.66	15.62
7134	NASDAQ	PKOH	Wed, Sep 23, 2020	15.15	15.44	14.86	14.91
7133	NASDAQ	PKOH	Tue, Sep 22, 2020	15.96	15.96	14.90	15.26
7132	NASDAQ	PKOH	Mon, Sep 21, 2020	15.81	16.49	14.94	15.78
7131	NASDAQ	PKOH	Fri, Sep 18, 2020	16.56	16.56	15.45	16.43
7130	NASDAQ	PKOH	Thu, Sep 17, 2020	16.41	17.13	15.87	16.31
7129	NASDAQ	PKOH	Wed, Sep 16, 2020	16.76	17.25	16.21	16.96
7128	NASDAQ	PKOH	Tue, Sep 15, 2020	15.79	16.38	15.40	16.16
7127	NASDAQ	PKOH	Mon, Sep 14, 2020	14.96	15.65	14.82	15.49
7126	NASDAQ	PKOH	Fri, Sep 11, 2020	15.01	15.18	14.64	14.86
7125	NASDAQ	PKOH	Thu, Sep 10, 2020	15.03	15.09	14.81	15.01
7124	NASDAQ	PKOH	Wed, Sep 9, 2020	15.37	15.46	14.85	15.33
7123	NASDAQ	PKOH	Tue, Sep 8, 2020	15.12	15.73	14.98	15.30
7122	NASDAQ	PKOH	Fri, Sep 4, 2020	15.66	16.08	15.26	15.52
7121	NASDAQ	PKOH	Thu, Sep 3, 2020	15.87	16.22	15.15	15.24
7120	NASDAQ	PKOH	Wed, Sep 2, 2020	15.79	16.15	15.79	15.88
7119	NASDAQ	PKOH	Tue, Sep 1, 2020	15.80	15.91	15.63	15.69
7118	NASDAQ	PKOH	Mon, Aug 31, 2020	16.21	16.28	15.79	15.82
7117	NASDAQ	PKOH	Fri, Aug 28, 2020	15.42	16.64	15.26	16.30
7116	NASDAQ	PKOH	Thu, Aug 27, 2020	15.49	16.12	15.49	15.59
7115	NASDAQ	PKOH	Wed, Aug 26, 2020	16.23	16.25	15.34	15.34
7114	NASDAQ	PKOH	Tue, Aug 25, 2020	16.88	16.88	15.94	16.09
7113	NASDAQ	PKOH	Mon, Aug 24, 2020	15.20	16.87	14.80	16.80
7112	NASDAQ	PKOH	Fri, Aug 21, 2020	15.97	16.04	14.97	15.02
7111	NASDAQ	PKOH	Thu, Aug 20, 2020	16.49	16.82	16.00	16.17
7110	NASDAQ	PKOH	Wed, Aug 19, 2020	17.24	17.54	16.61	16.73
7109	NASDAQ	PKOH	Tue, Aug 18, 2020	18.68	18.68	17.14	17.16
7108	NASDAQ	PKOH	Mon, Aug 17, 2020	18.71	18.92	18.50	18.68
7107	NASDAQ	PKOH	Fri, Aug 14, 2020	17.91	18.95	17.91	18.83
7106	NASDAQ	PKOH	Thu, Aug 13, 2020	18.76	18.76	17.83	17.89
7105	NASDAQ	PKOH	Wed, Aug 12, 2020	19.50	19.50	18.45	19.01
7104	NASDAQ	PKOH	Tue, Aug 11, 2020	17.89	19.30	17.83	19.19
7103	NASDAQ	PKOH	Mon, Aug 10, 2020	15.96	17.58	15.96	17.52
7102	NASDAQ	PKOH	Fri, Aug 7, 2020	15.77	16.16	15.77	16.16
7101	NASDAQ	PKOH	Thu, Aug 6, 2020	15.27	15.98	15.09	15.98
7100	NASDAQ	PKOH	Wed, Aug 5, 2020	15.11	15.45	14.45	15.40
7099	NASDAQ	PKOH	Tue, Aug 4, 2020	14.81	15.20	14.69	15.16
7098	NASDAQ	PKOH	Mon, Aug 3, 2020	14.68	15.11	14.57	14.79
7097	NASDAQ	PKOH	Fri, Jul 31, 2020	14.99	14.99	14.18	14.42
7096	NASDAQ	PKOH	Thu, Jul 30, 2020	14.84	15.30	14.66	15.19
7095	NASDAQ	PKOH	Wed, Jul 29, 2020	15.32	15.32	14.91	15.19
7094	NASDAQ	PKOH	Tue, Jul 28, 2020	15.20	15.60	14.87	15.04
7093	NASDAQ	PKOH	Mon, Jul 27, 2020	15.40	15.69	15.15	15.41
7092	NASDAQ	PKOH	Fri, Jul 24, 2020	15.86	15.86	15.37	15.46
7091	NASDAQ	PKOH	Thu, Jul 23, 2020	15.74	16.24	15.69	15.79
7090	NASDAQ	PKOH	Wed, Jul 22, 2020	16.00	16.30	15.67	15.69
7089	NASDAQ	PKOH	Tue, Jul 21, 2020	15.27	16.26	15.27	16.25
7088	NASDAQ	PKOH	Mon, Jul 20, 2020	16.14	16.14	15.15	15.18
7087	NASDAQ	PKOH	Fri, Jul 17, 2020	16.67	17.18	16.10	16.27
7086	NASDAQ	PKOH	Thu, Jul 16, 2020	16.87	16.92	16.33	16.72
7085	NASDAQ	PKOH	Wed, Jul 15, 2020	15.88	17.09	15.53	16.80
7084	NASDAQ	PKOH	Tue, Jul 14, 2020	15.45	15.80	15.04	15.53
7083	NASDAQ	PKOH	Mon, Jul 13, 2020	15.40	16.06	15.15	15.45
7082	NASDAQ	PKOH	Fri, Jul 10, 2020	14.55	15.28	14.55	15.14
7081	NASDAQ	PKOH	Thu, Jul 9, 2020	14.88	15.04	14.29	14.53
7080	NASDAQ	PKOH	Wed, Jul 8, 2020	15.01	15.31	14.67	14.95
7079	NASDAQ	PKOH	Tue, Jul 7, 2020	15.61	15.77	15.06	15.06
7078	NASDAQ	PKOH	Mon, Jul 6, 2020	16.14	16.16	15.36	15.84
7077	NASDAQ	PKOH	Thu, Jul 2, 2020	16.66	16.87	15.72	15.84
7076	NASDAQ	PKOH	Wed, Jul 1, 2020	16.57	16.79	15.43	16.25
7075	NASDAQ	PKOH	Tue, Jun 30, 2020	15.29	16.87	15.29	16.59
7074	NASDAQ	PKOH	Mon, Jun 29, 2020	16.63	17.04	14.73	15.39
7073	NASDAQ	PKOH	Fri, Jun 26, 2020	15.48	16.53	15.19	16.49
7072	NASDAQ	PKOH	Thu, Jun 25, 2020	15.08	15.68	14.89	15.64
7071	NASDAQ	PKOH	Wed, Jun 24, 2020	15.66	15.84	14.98	15.23
7070	NASDAQ	PKOH	Tue, Jun 23, 2020	16.40	17.22	15.96	16.00
7069	NASDAQ	PKOH	Mon, Jun 22, 2020	15.58	16.07	15.42	16.01
7068	NASDAQ	PKOH	Fri, Jun 19, 2020	16.34	16.57	15.22	15.82
7067	NASDAQ	PKOH	Thu, Jun 18, 2020	15.84	16.66	15.84	16.04
7066	NASDAQ	PKOH	Wed, Jun 17, 2020	16.41	16.41	15.64	16.03
7065	NASDAQ	PKOH	Tue, Jun 16, 2020	17.39	17.39	16.30	16.46
7064	NASDAQ	PKOH	Mon, Jun 15, 2020	15.11	16.74	15.01	16.48
7063	NASDAQ	PKOH	Fri, Jun 12, 2020	16.48	19.48	15.03	15.77
7062	NASDAQ	PKOH	Thu, Jun 11, 2020	16.22	17.00	15.37	15.40
7061	NASDAQ	PKOH	Wed, Jun 10, 2020	18.38	18.38	17.22	17.36
7060	NASDAQ	PKOH	Tue, Jun 9, 2020	18.29	18.79	17.80	18.53
7059	NASDAQ	PKOH	Mon, Jun 8, 2020	17.52	18.34	17.39	18.25
7058	NASDAQ	PKOH	Fri, Jun 5, 2020	16.99	18.30	16.99	17.26
7057	NASDAQ	PKOH	Thu, Jun 4, 2020	15.45	16.34	14.97	16.22
7056	NASDAQ	PKOH	Wed, Jun 3, 2020	14.65	15.97	14.65	15.68
7055	NASDAQ	PKOH	Tue, Jun 2, 2020	14.18	14.68	14.02	14.24
7054	NASDAQ	PKOH	Mon, Jun 1, 2020	14.84	15.16	14.07	14.13
7053	NASDAQ	PKOH	Fri, May 29, 2020	14.95	15.15	14.01	14.59
7052	NASDAQ	PKOH	Thu, May 28, 2020	16.17	16.17	14.94	15.04
7051	NASDAQ	PKOH	Wed, May 27, 2020	15.65	16.23	15.53	15.76
7050	NASDAQ	PKOH	Tue, May 26, 2020	14.73	15.65	14.46	15.42
7049	NASDAQ	PKOH	Fri, May 22, 2020	13.89	14.22	13.44	14.01
7048	NASDAQ	PKOH	Thu, May 21, 2020	13.95	14.14	13.27	13.81
7047	NASDAQ	PKOH	Wed, May 20, 2020	13.71	14.27	13.63	14.10
7046	NASDAQ	PKOH	Tue, May 19, 2020	13.03	13.98	12.74	13.42
7045	NASDAQ	PKOH	Mon, May 18, 2020	13.34	13.81	12.76	13.23
7044	NASDAQ	PKOH	Fri, May 15, 2020	12.40	13.00	11.97	12.60
7043	NASDAQ	PKOH	Thu, May 14, 2020	11.79	12.50	11.05	12.47
7042	NASDAQ	PKOH	Wed, May 13, 2020	12.69	12.69	11.42	12.16
7041	NASDAQ	PKOH	Tue, May 12, 2020	13.47	13.68	12.66	12.76
7040	NASDAQ	PKOH	Mon, May 11, 2020	14.42	15.09	13.00	13.40
7039	NASDAQ	PKOH	Fri, May 8, 2020	14.19	14.98	13.94	14.48
7038	NASDAQ	PKOH	Thu, May 7, 2020	15.28	15.68	13.78	13.97
7037	NASDAQ	PKOH	Wed, May 6, 2020	15.73	15.80	15.11	15.24
7036	NASDAQ	PKOH	Tue, May 5, 2020	16.47	16.64	15.48	15.60
7035	NASDAQ	PKOH	Mon, May 4, 2020	16.21	17.00	15.58	16.12
7034	NASDAQ	PKOH	Fri, May 1, 2020	17.69	18.46	16.34	16.70
7033	NASDAQ	PKOH	Thu, Apr 30, 2020	19.62	19.62	18.32	18.33
7032	NASDAQ	PKOH	Wed, Apr 29, 2020	18.37	20.62	18.35	20.18
7031	NASDAQ	PKOH	Tue, Apr 28, 2020	18.00	18.41	17.56	17.59
7030	NASDAQ	PKOH	Mon, Apr 27, 2020	15.99	17.81	15.99	17.45
7029	NASDAQ	PKOH	Fri, Apr 24, 2020	15.37	15.96	15.19	15.78
7028	NASDAQ	PKOH	Thu, Apr 23, 2020	14.89	15.71	14.87	15.08
7027	NASDAQ	PKOH	Wed, Apr 22, 2020	15.66	15.66	14.46	14.76
7026	NASDAQ	PKOH	Tue, Apr 21, 2020	14.91	15.28	14.67	15.04
7025	NASDAQ	PKOH	Mon, Apr 20, 2020	16.02	16.21	14.76	15.06
7024	NASDAQ	PKOH	Fri, Apr 17, 2020	15.33	16.72	15.33	16.64
7023	NASDAQ	PKOH	Thu, Apr 16, 2020	14.90	14.90	14.00	14.75
7022	NASDAQ	PKOH	Wed, Apr 15, 2020	16.52	16.52	14.86	14.91
7021	NASDAQ	PKOH	Tue, Apr 14, 2020	16.80	17.42	16.55	17.20
7020	NASDAQ	PKOH	Mon, Apr 13, 2020	18.03	18.03	15.96	16.22
7019	NASDAQ	PKOH	Thu, Apr 9, 2020	17.11	18.33	16.80	18.18
7018	NASDAQ	PKOH	Wed, Apr 8, 2020	15.55	16.51	15.55	16.39
7017	NASDAQ	PKOH	Tue, Apr 7, 2020	17.21	18.06	15.17	15.61
7016	NASDAQ	PKOH	Mon, Apr 6, 2020	16.48	17.76	16.48	16.89
7015	NASDAQ	PKOH	Fri, Apr 3, 2020	17.67	18.06	15.07	15.46
7014	NASDAQ	PKOH	Thu, Apr 2, 2020	17.88	19.16	17.45	17.99
7013	NASDAQ	PKOH	Wed, Apr 1, 2020	18.32	20.39	17.64	18.25
7012	NASDAQ	PKOH	Tue, Mar 31, 2020	18.48	19.92	18.12	18.94
7011	NASDAQ	PKOH	Mon, Mar 30, 2020	19.20	19.46	17.92	18.88
7010	NASDAQ	PKOH	Fri, Mar 27, 2020	19.00	20.45	18.32	18.99
7009	NASDAQ	PKOH	Thu, Mar 26, 2020	16.07	19.57	16.07	19.33
7008	NASDAQ	PKOH	Wed, Mar 25, 2020	16.19	17.48	15.30	15.96
7007	NASDAQ	PKOH	Tue, Mar 24, 2020	13.74	15.22	13.62	15.22
7006	NASDAQ	PKOH	Mon, Mar 23, 2020	13.22	13.42	12.38	13.03
7005	NASDAQ	PKOH	Fri, Mar 20, 2020	14.14	14.67	12.53	12.54
7004	NASDAQ	PKOH	Thu, Mar 19, 2020	12.76	14.96	12.75	14.05
7003	NASDAQ	PKOH	Wed, Mar 18, 2020	13.22	14.39	12.10	12.94
7002	NASDAQ	PKOH	Tue, Mar 17, 2020	13.43	14.98	12.77	14.51
7001	NASDAQ	PKOH	Mon, Mar 16, 2020	11.36	17.25	11.36	13.00
7000	NASDAQ	PKOH	Fri, Mar 13, 2020	12.13	12.90	10.78	12.27
6999	NASDAQ	PKOH	Thu, Mar 12, 2020	14.78	15.49	10.91	11.37
6998	NASDAQ	PKOH	Wed, Mar 11, 2020	16.73	17.10	14.91	15.55
6997	NASDAQ	PKOH	Tue, Mar 10, 2020	19.84	19.84	16.71	16.89
6996	NASDAQ	PKOH	Mon, Mar 9, 2020	19.25	19.94	18.65	18.99
6995	NASDAQ	PKOH	Fri, Mar 6, 2020	20.55	21.63	20.55	21.40
6994	NASDAQ	PKOH	Thu, Mar 5, 2020	22.89	23.06	21.01	21.51
6993	NASDAQ	PKOH	Wed, Mar 4, 2020	23.30	23.82	23.02	23.62
6992	NASDAQ	PKOH	Tue, Mar 3, 2020	24.68	24.68	22.72	22.75
6991	NASDAQ	PKOH	Mon, Mar 2, 2020	24.72	25.34	23.99	24.44
6990	NASDAQ	PKOH	Fri, Feb 28, 2020	23.61	25.57	23.40	24.52
6989	NASDAQ	PKOH	Thu, Feb 27, 2020	25.67	26.20	24.74	24.81
6988	NASDAQ	PKOH	Wed, Feb 26, 2020	26.70	26.81	25.95	26.39
6987	NASDAQ	PKOH	Tue, Feb 25, 2020	28.72	28.72	26.34	26.45
6986	NASDAQ	PKOH	Mon, Feb 24, 2020	28.49	30.01	28.40	28.88
6985	NASDAQ	PKOH	Fri, Feb 21, 2020	29.74	29.85	29.16	29.74
6984	NASDAQ	PKOH	Thu, Feb 20, 2020	29.81	30.36	29.70	29.73
6983	NASDAQ	PKOH	Wed, Feb 19, 2020	29.68	30.17	29.62	30.01
6982	NASDAQ	PKOH	Tue, Feb 18, 2020	29.71	29.88	29.02	29.40
6981	NASDAQ	PKOH	Fri, Feb 14, 2020	30.48	30.48	29.42	29.64
6980	NASDAQ	PKOH	Thu, Feb 13, 2020	30.27	30.41	29.99	30.30
6979	NASDAQ	PKOH	Wed, Feb 12, 2020	30.64	30.89	30.18	30.62
6978	NASDAQ	PKOH	Tue, Feb 11, 2020	30.32	30.81	30.19	30.35
6977	NASDAQ	PKOH	Mon, Feb 10, 2020	30.06	30.39	29.69	30.13
6976	NASDAQ	PKOH	Fri, Feb 7, 2020	30.47	30.47	29.90	30.29
6975	NASDAQ	PKOH	Thu, Feb 6, 2020	31.78	31.81	30.41	30.80
6974	NASDAQ	PKOH	Wed, Feb 5, 2020	30.73	31.70	30.49	31.60
6973	NASDAQ	PKOH	Tue, Feb 4, 2020	30.20	31.19	30.14	30.17
6972	NASDAQ	PKOH	Mon, Feb 3, 2020	29.76	29.90	29.25	29.67
6971	NASDAQ	PKOH	Fri, Jan 31, 2020	30.00	30.04	29.29	29.40
6970	NASDAQ	PKOH	Thu, Jan 30, 2020	30.58	30.58	30.02	30.20
6969	NASDAQ	PKOH	Wed, Jan 29, 2020	32.13	32.14	30.85	30.89
6968	NASDAQ	PKOH	Tue, Jan 28, 2020	31.72	32.14	31.64	31.95
6967	NASDAQ	PKOH	Mon, Jan 27, 2020	31.60	32.08	31.32	31.56
6966	NASDAQ	PKOH	Fri, Jan 24, 2020	33.33	33.33	32.08	32.22
6965	NASDAQ	PKOH	Thu, Jan 23, 2020	33.23	33.40	32.60	33.25
6964	NASDAQ	PKOH	Wed, Jan 22, 2020	33.65	33.78	33.27	33.38
6963	NASDAQ	PKOH	Tue, Jan 21, 2020	34.52	34.52	33.46	33.56
6962	NASDAQ	PKOH	Fri, Jan 17, 2020	35.72	35.72	34.74	34.82
6961	NASDAQ	PKOH	Thu, Jan 16, 2020	35.25	35.99	35.25	35.46
6960	NASDAQ	PKOH	Wed, Jan 15, 2020	35.64	36.09	34.65	35.13
6959	NASDAQ	PKOH	Tue, Jan 14, 2020	35.88	36.11	35.33	35.71
6958	NASDAQ	PKOH	Mon, Jan 13, 2020	35.11	36.04	35.06	36.00
6957	NASDAQ	PKOH	Fri, Jan 10, 2020	35.20	35.38	34.65	35.06
6956	NASDAQ	PKOH	Thu, Jan 9, 2020	35.25	35.60	35.00	35.25
6955	NASDAQ	PKOH	Wed, Jan 8, 2020	34.24	35.72	34.24	35.02
6954	NASDAQ	PKOH	Tue, Jan 7, 2020	33.65	34.56	33.65	34.26
6953	NASDAQ	PKOH	Mon, Jan 6, 2020	33.42	34.06	32.84	33.62
6952	NASDAQ	PKOH	Fri, Jan 3, 2020	33.28	33.55	32.92	33.49
6951	NASDAQ	PKOH	Thu, Jan 2, 2020	33.86	34.17	33.29	33.64
6950	NASDAQ	PKOH	Tue, Dec 31, 2019	33.44	33.80	33.43	33.65
6949	NASDAQ	PKOH	Mon, Dec 30, 2019	33.15	33.61	32.99	33.47
6948	NASDAQ	PKOH	Fri, Dec 27, 2019	33.65	33.96	33.07	33.31
6947	NASDAQ	PKOH	Thu, Dec 26, 2019	33.74	34.32	33.30	33.64
6946	NASDAQ	PKOH	Tue, Dec 24, 2019	33.89	34.09	33.26	33.80
6945	NASDAQ	PKOH	Mon, Dec 23, 2019	33.70	34.03	33.39	33.89
6944	NASDAQ	PKOH	Fri, Dec 20, 2019	33.66	33.98	33.27	33.64
6943	NASDAQ	PKOH	Thu, Dec 19, 2019	34.11	34.40	33.43	33.67
6942	NASDAQ	PKOH	Wed, Dec 18, 2019	33.90	34.34	33.63	34.11
6941	NASDAQ	PKOH	Tue, Dec 17, 2019	33.67	34.03	33.28	33.80
6940	NASDAQ	PKOH	Mon, Dec 16, 2019	34.68	35.29	33.28	33.63
6939	NASDAQ	PKOH	Fri, Dec 13, 2019	34.47	34.52	33.85	34.33
6938	NASDAQ	PKOH	Thu, Dec 12, 2019	32.65	34.47	32.52	34.32
6937	NASDAQ	PKOH	Wed, Dec 11, 2019	31.88	32.71	31.45	32.63
6936	NASDAQ	PKOH	Tue, Dec 10, 2019	31.36	32.14	31.25	31.64
6935	NASDAQ	PKOH	Mon, Dec 9, 2019	31.31	32.09	30.90	31.65
6934	NASDAQ	PKOH	Fri, Dec 6, 2019	31.75	32.43	31.27	31.49
6933	NASDAQ	PKOH	Thu, Dec 5, 2019	31.18	31.85	30.85	31.26
6932	NASDAQ	PKOH	Wed, Dec 4, 2019	31.23	31.79	30.90	31.12
6931	NASDAQ	PKOH	Tue, Dec 3, 2019	30.39	31.79	30.38	30.97
6930	NASDAQ	PKOH	Mon, Dec 2, 2019	31.69	32.59	30.94	31.23
6929	NASDAQ	PKOH	Fri, Nov 29, 2019	31.04	31.87	30.92	31.63
6928	NASDAQ	PKOH	Wed, Nov 27, 2019	32.92	33.08	30.95	31.12
6927	NASDAQ	PKOH	Tue, Nov 26, 2019	32.32	32.99	31.85	32.79
6926	NASDAQ	PKOH	Mon, Nov 25, 2019	31.97	32.97	31.50	32.83
6925	NASDAQ	PKOH	Fri, Nov 22, 2019	31.62	32.43	31.26	31.76
6924	NASDAQ	PKOH	Thu, Nov 21, 2019	32.02	32.08	31.34	31.48
6923	NASDAQ	PKOH	Wed, Nov 20, 2019	32.45	33.07	31.82	31.90
6922	NASDAQ	PKOH	Tue, Nov 19, 2019	32.28	32.80	31.76	32.63
6921	NASDAQ	PKOH	Mon, Nov 18, 2019	33.50	33.80	31.71	32.18
6920	NASDAQ	PKOH	Fri, Nov 15, 2019	33.17	33.86	33.00	33.68
6919	NASDAQ	PKOH	Thu, Nov 14, 2019	32.99	33.82	32.64	32.85
6918	NASDAQ	PKOH	Wed, Nov 13, 2019	33.01	33.49	32.75	33.11
6917	NASDAQ	PKOH	Tue, Nov 12, 2019	32.99	33.77	32.32	33.43
6916	NASDAQ	PKOH	Mon, Nov 11, 2019	32.76	34.09	32.45	32.86
6915	NASDAQ	PKOH	Fri, Nov 8, 2019	33.12	34.59	32.54	32.90
6914	NASDAQ	PKOH	Thu, Nov 7, 2019	32.70	33.67	32.67	33.57
6913	NASDAQ	PKOH	Wed, Nov 6, 2019	33.54	33.93	32.03	32.19
6912	NASDAQ	PKOH	Tue, Nov 5, 2019	30.97	33.63	30.97	33.45
6911	NASDAQ	PKOH	Mon, Nov 4, 2019	32.08	32.75	32.05	32.30
6910	NASDAQ	PKOH	Fri, Nov 1, 2019	31.05	31.99	31.05	31.95
6909	NASDAQ	PKOH	Thu, Oct 31, 2019	31.05	31.34	30.72	30.76
6908	NASDAQ	PKOH	Wed, Oct 30, 2019	31.50	31.51	31.05	31.18
6907	NASDAQ	PKOH	Tue, Oct 29, 2019	31.12	32.28	31.12	32.01
6906	NASDAQ	PKOH	Mon, Oct 28, 2019	31.40	32.28	31.11	31.89
6905	NASDAQ	PKOH	Fri, Oct 25, 2019	31.34	32.05	31.34	31.89
6904	NASDAQ	PKOH	Thu, Oct 24, 2019	32.00	32.00	30.88	31.47
6903	NASDAQ	PKOH	Wed, Oct 23, 2019	31.46	31.94	30.92	31.88
6902	NASDAQ	PKOH	Tue, Oct 22, 2019	30.96	31.80	30.57	31.50
6901	NASDAQ	PKOH	Mon, Oct 21, 2019	27.93	31.75	27.93	31.17
6900	NASDAQ	PKOH	Fri, Oct 18, 2019	27.77	28.32	27.54	27.66
6899	NASDAQ	PKOH	Thu, Oct 17, 2019	28.32	28.80	27.90	28.07
6898	NASDAQ	PKOH	Wed, Oct 16, 2019	28.55	28.84	28.02	28.10
6897	NASDAQ	PKOH	Tue, Oct 15, 2019	27.82	28.87	27.71	28.51
6896	NASDAQ	PKOH	Mon, Oct 14, 2019	27.82	28.48	27.32	28.07
6895	NASDAQ	PKOH	Fri, Oct 11, 2019	27.59	29.07	27.52	27.99
6894	NASDAQ	PKOH	Thu, Oct 10, 2019	27.27	27.67	26.81	27.28
6893	NASDAQ	PKOH	Wed, Oct 9, 2019	27.70	27.93	27.14	27.34
6892	NASDAQ	PKOH	Tue, Oct 8, 2019	27.73	27.76	27.30	27.52
6891	NASDAQ	PKOH	Mon, Oct 7, 2019	28.53	28.61	28.07	28.11
6890	NASDAQ	PKOH	Fri, Oct 4, 2019	27.66	28.25	27.14	28.25
6889	NASDAQ	PKOH	Thu, Oct 3, 2019	27.94	28.22	27.10	27.66
6888	NASDAQ	PKOH	Wed, Oct 2, 2019	28.10	28.30	27.47	27.92
6887	NASDAQ	PKOH	Tue, Oct 1, 2019	30.04	30.04	28.25	28.27
6886	NASDAQ	PKOH	Mon, Sep 30, 2019	29.91	30.22	29.60	29.86
6885	NASDAQ	PKOH	Fri, Sep 27, 2019	29.60	29.68	29.10	29.46
6884	NASDAQ	PKOH	Thu, Sep 26, 2019	31.23	31.23	29.11	29.11
6883	NASDAQ	PKOH	Wed, Sep 25, 2019	30.72	31.52	30.72	31.44
6882	NASDAQ	PKOH	Tue, Sep 24, 2019	31.70	31.84	31.26	31.34
6881	NASDAQ	PKOH	Mon, Sep 23, 2019	31.51	31.87	31.05	31.67
6880	NASDAQ	PKOH	Fri, Sep 20, 2019	31.40	31.93	31.12	31.51
6879	NASDAQ	PKOH	Thu, Sep 19, 2019	31.39	32.15	31.07	31.38
6878	NASDAQ	PKOH	Wed, Sep 18, 2019	32.43	32.43	31.03	31.69
6877	NASDAQ	PKOH	Tue, Sep 17, 2019	32.70	32.95	32.19	32.30
6876	NASDAQ	PKOH	Mon, Sep 16, 2019	32.49	33.60	32.05	32.81
6875	NASDAQ	PKOH	Fri, Sep 13, 2019	32.22	33.23	31.85	32.71
6874	NASDAQ	PKOH	Thu, Sep 12, 2019	31.65	32.51	31.07	32.18
6873	NASDAQ	PKOH	Wed, Sep 11, 2019	31.00	31.91	30.89	31.67
6872	NASDAQ	PKOH	Tue, Sep 10, 2019	29.86	31.26	29.85	30.76
6871	NASDAQ	PKOH	Mon, Sep 9, 2019	28.34	30.03	28.25	29.88
6870	NASDAQ	PKOH	Fri, Sep 6, 2019	28.49	28.57	28.02	28.05
6869	NASDAQ	PKOH	Thu, Sep 5, 2019	27.29	28.46	27.25	28.38
6868	NASDAQ	PKOH	Wed, Sep 4, 2019	26.97	27.42	26.70	26.86
6867	NASDAQ	PKOH	Tue, Sep 3, 2019	26.89	26.97	26.55	26.85
6866	NASDAQ	PKOH	Fri, Aug 30, 2019	27.07	27.19	26.35	27.19
6865	NASDAQ	PKOH	Thu, Aug 29, 2019	26.89	27.41	26.62	26.99
6864	NASDAQ	PKOH	Wed, Aug 28, 2019	25.99	26.74	25.99	26.62
6863	NASDAQ	PKOH	Tue, Aug 27, 2019	27.19	27.56	25.74	26.10
6862	NASDAQ	PKOH	Mon, Aug 26, 2019	27.54	27.69	26.94	27.12
6861	NASDAQ	PKOH	Fri, Aug 23, 2019	28.02	28.23	27.12	27.12
6860	NASDAQ	PKOH	Thu, Aug 22, 2019	27.92	28.73	27.68	28.08
6859	NASDAQ	PKOH	Wed, Aug 21, 2019	27.95	27.95	27.45	27.65
6858	NASDAQ	PKOH	Tue, Aug 20, 2019	28.19	28.19	27.52	27.69
6857	NASDAQ	PKOH	Mon, Aug 19, 2019	27.95	28.25	27.74	28.10
6856	NASDAQ	PKOH	Fri, Aug 16, 2019	27.88	28.00	27.42	27.88
6855	NASDAQ	PKOH	Thu, Aug 15, 2019	27.34	27.80	26.83	27.60
6854	NASDAQ	PKOH	Wed, Aug 14, 2019	27.38	27.49	27.00	27.18
6853	NASDAQ	PKOH	Tue, Aug 13, 2019	27.28	28.84	27.28	27.95
6852	NASDAQ	PKOH	Mon, Aug 12, 2019	27.20	27.63	27.05	27.49
6851	NASDAQ	PKOH	Fri, Aug 9, 2019	28.38	28.38	26.90	27.50
6850	NASDAQ	PKOH	Thu, Aug 8, 2019	27.32	28.70	27.32	28.18
6849	NASDAQ	PKOH	Wed, Aug 7, 2019	27.09	28.39	26.61	27.26
6848	NASDAQ	PKOH	Tue, Aug 6, 2019	27.34	29.22	27.10	27.59
6847	NASDAQ	PKOH	Mon, Aug 5, 2019	28.96	29.36	26.72	27.98
6846	NASDAQ	PKOH	Fri, Aug 2, 2019	29.77	30.48	29.25	29.76
6845	NASDAQ	PKOH	Thu, Aug 1, 2019	30.85	31.49	30.02	30.12
6844	NASDAQ	PKOH	Wed, Jul 31, 2019	31.35	31.79	30.59	30.60
6843	NASDAQ	PKOH	Tue, Jul 30, 2019	30.26	31.44	30.26	31.20
6842	NASDAQ	PKOH	Mon, Jul 29, 2019	31.49	31.63	30.75	30.90
6841	NASDAQ	PKOH	Fri, Jul 26, 2019	30.23	31.58	29.61	31.42
6840	NASDAQ	PKOH	Thu, Jul 25, 2019	31.14	31.61	30.16	30.16
6839	NASDAQ	PKOH	Wed, Jul 24, 2019	29.48	31.83	29.33	31.50
6838	NASDAQ	PKOH	Tue, Jul 23, 2019	30.14	30.79	29.21	29.50
6837	NASDAQ	PKOH	Mon, Jul 22, 2019	31.03	31.22	29.54	30.05
6836	NASDAQ	PKOH	Fri, Jul 19, 2019	30.35	31.27	30.35	30.49
6835	NASDAQ	PKOH	Thu, Jul 18, 2019	30.80	31.06	30.13	30.44
6834	NASDAQ	PKOH	Wed, Jul 17, 2019	31.04	31.70	30.99	31.53
6833	NASDAQ	PKOH	Tue, Jul 16, 2019	31.10	31.56	30.87	30.99
6832	NASDAQ	PKOH	Mon, Jul 15, 2019	31.19	31.37	30.33	31.35
6831	NASDAQ	PKOH	Fri, Jul 12, 2019	30.89	31.50	30.75	30.95
6830	NASDAQ	PKOH	Thu, Jul 11, 2019	31.85	31.85	30.30	30.71
6829	NASDAQ	PKOH	Wed, Jul 10, 2019	31.47	32.28	31.34	31.35
6828	NASDAQ	PKOH	Tue, Jul 9, 2019	31.83	31.83	31.00	31.33
6827	NASDAQ	PKOH	Mon, Jul 8, 2019	32.68	32.68	31.88	31.88
6826	NASDAQ	PKOH	Fri, Jul 5, 2019	32.37	33.02	31.99	32.68
6825	NASDAQ	PKOH	Wed, Jul 3, 2019	32.81	33.00	32.56	32.61
6824	NASDAQ	PKOH	Tue, Jul 2, 2019	33.21	33.45	32.34	32.85
6823	NASDAQ	PKOH	Mon, Jul 1, 2019	33.11	34.03	32.71	33.24
6822	NASDAQ	PKOH	Fri, Jun 28, 2019	31.90	33.15	31.90	32.59
6821	NASDAQ	PKOH	Thu, Jun 27, 2019	30.90	31.90	30.87	31.90
6820	NASDAQ	PKOH	Wed, Jun 26, 2019	31.12	31.61	30.10	31.26
6819	NASDAQ	PKOH	Tue, Jun 25, 2019	31.35	31.63	30.30	31.30
6818	NASDAQ	PKOH	Mon, Jun 24, 2019	31.78	31.78	30.73	31.31
6817	NASDAQ	PKOH	Fri, Jun 21, 2019	31.83	32.34	31.13	31.67
6816	NASDAQ	PKOH	Thu, Jun 20, 2019	32.99	32.99	31.50	32.07
6815	NASDAQ	PKOH	Wed, Jun 19, 2019	32.05	32.76	31.22	32.61
6814	NASDAQ	PKOH	Tue, Jun 18, 2019	32.18	33.25	32.11	32.25
6813	NASDAQ	PKOH	Mon, Jun 17, 2019	31.20	32.27	31.09	31.81
6812	NASDAQ	PKOH	Fri, Jun 14, 2019	32.31	32.31	30.82	31.06
6811	NASDAQ	PKOH	Thu, Jun 13, 2019	31.52	32.44	31.49	32.43
6810	NASDAQ	PKOH	Wed, Jun 12, 2019	31.79	31.95	31.21	31.44
6809	NASDAQ	PKOH	Tue, Jun 11, 2019	31.07	32.00	30.79	31.75
6808	NASDAQ	PKOH	Mon, Jun 10, 2019	30.49	31.16	30.46	30.79
6807	NASDAQ	PKOH	Fri, Jun 7, 2019	29.57	30.44	29.18	30.33
6806	NASDAQ	PKOH	Thu, Jun 6, 2019	31.23	31.75	29.36	29.50
6805	NASDAQ	PKOH	Wed, Jun 5, 2019	31.42	31.95	30.67	31.17
6804	NASDAQ	PKOH	Tue, Jun 4, 2019	31.56	31.98	30.78	31.27
6803	NASDAQ	PKOH	Mon, Jun 3, 2019	31.07	31.68	30.50	31.15
6802	NASDAQ	PKOH	Fri, May 31, 2019	32.07	32.15	31.03	31.22
6801	NASDAQ	PKOH	Thu, May 30, 2019	33.24	33.63	32.30	32.65
6800	NASDAQ	PKOH	Wed, May 29, 2019	33.20	33.42	32.75	33.10
6799	NASDAQ	PKOH	Tue, May 28, 2019	34.11	34.60	33.23	33.37
6798	NASDAQ	PKOH	Fri, May 24, 2019	34.44	34.57	33.80	34.30
6797	NASDAQ	PKOH	Thu, May 23, 2019	34.73	34.91	33.93	34.17
6796	NASDAQ	PKOH	Wed, May 22, 2019	35.48	35.89	35.02	35.36
6795	NASDAQ	PKOH	Tue, May 21, 2019	34.48	36.24	34.48	35.60
6794	NASDAQ	PKOH	Mon, May 20, 2019	33.17	34.49	33.11	34.29
6793	NASDAQ	PKOH	Fri, May 17, 2019	34.12	34.46	33.15	33.40
6792	NASDAQ	PKOH	Thu, May 16, 2019	34.71	34.96	33.40	34.53
6791	NASDAQ	PKOH	Wed, May 15, 2019	34.02	35.17	34.02	34.60
6790	NASDAQ	PKOH	Tue, May 14, 2019	34.09	34.84	33.96	34.31
6789	NASDAQ	PKOH	Mon, May 13, 2019	33.40	34.63	33.26	34.08
6788	NASDAQ	PKOH	Fri, May 10, 2019	35.11	35.22	34.14	34.31
6787	NASDAQ	PKOH	Thu, May 9, 2019	34.42	35.73	33.62	35.45
6786	NASDAQ	PKOH	Wed, May 8, 2019	36.82	36.82	34.75	34.84
6785	NASDAQ	PKOH	Tue, May 7, 2019	35.61	37.04	35.29	35.47
6784	NASDAQ	PKOH	Mon, May 6, 2019	36.52	37.50	35.94	37.23
6783	NASDAQ	PKOH	Fri, May 3, 2019	36.64	37.17	36.44	37.00
6782	NASDAQ	PKOH	Thu, May 2, 2019	37.39	37.39	35.66	36.21
6781	NASDAQ	PKOH	Wed, May 1, 2019	36.92	37.70	36.11	37.51
6780	NASDAQ	PKOH	Tue, Apr 30, 2019	36.87	36.90	36.32	36.63
6779	NASDAQ	PKOH	Mon, Apr 29, 2019	36.06	36.98	35.82	36.95
6778	NASDAQ	PKOH	Fri, Apr 26, 2019	35.95	36.60	35.61	36.21
6777	NASDAQ	PKOH	Thu, Apr 25, 2019	36.84	37.07	35.65	35.97
6776	NASDAQ	PKOH	Wed, Apr 24, 2019	36.95	37.64	36.79	36.90
6775	NASDAQ	PKOH	Tue, Apr 23, 2019	36.51	37.71	36.43	36.99
6774	NASDAQ	PKOH	Mon, Apr 22, 2019	36.63	36.76	35.99	36.45
6773	NASDAQ	PKOH	Thu, Apr 18, 2019	37.05	37.15	36.35	36.80
6772	NASDAQ	PKOH	Wed, Apr 17, 2019	38.46	38.46	36.89	37.27
6771	NASDAQ	PKOH	Tue, Apr 16, 2019	37.04	38.77	37.04	38.24
6770	NASDAQ	PKOH	Mon, Apr 15, 2019	35.55	37.24	35.21	36.67
6769	NASDAQ	PKOH	Fri, Apr 12, 2019	35.23	35.50	35.00	35.18
6768	NASDAQ	PKOH	Thu, Apr 11, 2019	35.55	35.55	34.55	34.92
6767	NASDAQ	PKOH	Wed, Apr 10, 2019	34.73	35.55	34.65	35.52
6766	NASDAQ	PKOH	Tue, Apr 9, 2019	34.87	34.93	34.45	34.61
6765	NASDAQ	PKOH	Mon, Apr 8, 2019	34.76	35.12	34.21	34.92
6764	NASDAQ	PKOH	Fri, Apr 5, 2019	33.92	35.44	33.92	34.92
6763	NASDAQ	PKOH	Thu, Apr 4, 2019	34.23	34.92	34.23	34.69
6762	NASDAQ	PKOH	Wed, Apr 3, 2019	33.72	34.28	33.56	34.24
6761	NASDAQ	PKOH	Tue, Apr 2, 2019	33.26	33.65	33.19	33.32
6760	NASDAQ	PKOH	Mon, Apr 1, 2019	32.73	33.87	32.32	33.25
6759	NASDAQ	PKOH	Fri, Mar 29, 2019	32.94	32.94	31.51	32.38
6758	NASDAQ	PKOH	Thu, Mar 28, 2019	31.65	32.70	31.60	32.63
6757	NASDAQ	PKOH	Wed, Mar 27, 2019	32.21	32.54	31.39	31.44
6756	NASDAQ	PKOH	Tue, Mar 26, 2019	31.14	32.32	30.83	32.19
6755	NASDAQ	PKOH	Mon, Mar 25, 2019	30.92	31.65	30.65	30.97
6754	NASDAQ	PKOH	Fri, Mar 22, 2019	32.56	32.70	30.83	30.93
6753	NASDAQ	PKOH	Thu, Mar 21, 2019	33.29	33.83	32.68	32.75
6752	NASDAQ	PKOH	Wed, Mar 20, 2019	32.93	33.78	32.28	33.30
6751	NASDAQ	PKOH	Tue, Mar 19, 2019	33.25	33.55	32.65	32.98
6750	NASDAQ	PKOH	Mon, Mar 18, 2019	32.75	33.38	32.60	33.12
6749	NASDAQ	PKOH	Fri, Mar 15, 2019	33.05	33.30	32.58	32.73
6748	NASDAQ	PKOH	Thu, Mar 14, 2019	32.91	33.13	32.76	33.07
6747	NASDAQ	PKOH	Wed, Mar 13, 2019	33.39	33.51	32.68	32.99
6746	NASDAQ	PKOH	Tue, Mar 12, 2019	34.05	34.05	33.20	33.31
6745	NASDAQ	PKOH	Mon, Mar 11, 2019	33.19	34.88	32.98	33.86
6744	NASDAQ	PKOH	Fri, Mar 8, 2019	33.01	33.57	32.50	32.90
6743	NASDAQ	PKOH	Thu, Mar 7, 2019	33.60	34.01	32.19	33.43
6742	NASDAQ	PKOH	Wed, Mar 6, 2019	33.60	34.24	32.42	33.49
6741	NASDAQ	PKOH	Tue, Mar 5, 2019	37.40	37.40	32.92	33.56
6740	NASDAQ	PKOH	Mon, Mar 4, 2019	31.97	32.50	31.27	31.74
6739	NASDAQ	PKOH	Fri, Mar 1, 2019	31.88	32.35	31.45	31.70
6738	NASDAQ	PKOH	Thu, Feb 28, 2019	32.02	32.69	31.79	31.79
6737	NASDAQ	PKOH	Wed, Feb 27, 2019	31.86	33.04	31.86	32.26
6736	NASDAQ	PKOH	Tue, Feb 26, 2019	32.47	32.86	31.81	32.06
6735	NASDAQ	PKOH	Mon, Feb 25, 2019	33.78	33.96	32.24	32.24
6734	NASDAQ	PKOH	Fri, Feb 22, 2019	33.75	34.04	33.29	33.50
6733	NASDAQ	PKOH	Thu, Feb 21, 2019	34.30	34.30	33.44	33.45
6732	NASDAQ	PKOH	Wed, Feb 20, 2019	34.34	34.77	34.06	34.24
6731	NASDAQ	PKOH	Tue, Feb 19, 2019	33.92	34.70	33.83	34.35
6730	NASDAQ	PKOH	Fri, Feb 15, 2019	33.45	34.10	33.23	33.92
6729	NASDAQ	PKOH	Thu, Feb 14, 2019	33.80	33.80	33.19	33.19
6728	NASDAQ	PKOH	Wed, Feb 13, 2019	33.45	34.49	33.12	33.22
6727	NASDAQ	PKOH	Tue, Feb 12, 2019	33.41	33.48	32.80	33.44
6726	NASDAQ	PKOH	Mon, Feb 11, 2019	32.42	32.75	31.56	32.37
6725	NASDAQ	PKOH	Fri, Feb 8, 2019	32.73	33.11	32.45	32.45
6724	NASDAQ	PKOH	Thu, Feb 7, 2019	33.32	33.39	31.99	32.74
6723	NASDAQ	PKOH	Wed, Feb 6, 2019	33.23	34.06	33.23	33.55
6722	NASDAQ	PKOH	Tue, Feb 5, 2019	32.97	33.37	32.84	33.23
6721	NASDAQ	PKOH	Mon, Feb 4, 2019	32.56	32.92	32.26	32.88
6720	NASDAQ	PKOH	Fri, Feb 1, 2019	32.55	32.73	32.11	32.55
6719	NASDAQ	PKOH	Thu, Jan 31, 2019	31.51	32.84	31.39	32.48
6718	NASDAQ	PKOH	Wed, Jan 30, 2019	31.19	31.76	30.84	31.56
6717	NASDAQ	PKOH	Tue, Jan 29, 2019	31.35	31.35	30.80	31.00
6716	NASDAQ	PKOH	Mon, Jan 28, 2019	31.42	31.58	30.84	31.08
6715	NASDAQ	PKOH	Fri, Jan 25, 2019	31.48	31.90	31.30	31.60
6714	NASDAQ	PKOH	Thu, Jan 24, 2019	31.27	31.76	31.04	31.27
6713	NASDAQ	PKOH	Wed, Jan 23, 2019	31.23	31.61	31.09	31.41
6712	NASDAQ	PKOH	Tue, Jan 22, 2019	30.95	31.82	30.55	31.01
6711	NASDAQ	PKOH	Fri, Jan 18, 2019	31.03	31.94	30.60	31.20
6710	NASDAQ	PKOH	Thu, Jan 17, 2019	31.16	31.33	30.74	31.12
6709	NASDAQ	PKOH	Wed, Jan 16, 2019	31.39	32.16	31.24	31.46
6708	NASDAQ	PKOH	Tue, Jan 15, 2019	31.64	32.08	31.21	31.58
6707	NASDAQ	PKOH	Mon, Jan 14, 2019	32.11	32.61	31.65	31.65
6706	NASDAQ	PKOH	Fri, Jan 11, 2019	31.89	32.62	31.89	32.34
6705	NASDAQ	PKOH	Thu, Jan 10, 2019	32.20	32.51	31.92	32.18
6704	NASDAQ	PKOH	Wed, Jan 9, 2019	32.56	32.89	32.25	32.39
6703	NASDAQ	PKOH	Tue, Jan 8, 2019	32.04	32.71	31.89	32.47
6702	NASDAQ	PKOH	Mon, Jan 7, 2019	31.70	32.33	31.43	31.77
6701	NASDAQ	PKOH	Fri, Jan 4, 2019	30.43	31.77	30.32	31.67
6700	NASDAQ	PKOH	Thu, Jan 3, 2019	30.54	30.81	29.76	29.91
6699	NASDAQ	PKOH	Wed, Jan 2, 2019	30.15	32.00	30.15	30.71
6698	NASDAQ	PKOH	Mon, Dec 31, 2018	30.23	31.44	29.76	30.69
6697	NASDAQ	PKOH	Fri, Dec 28, 2018	30.36	30.47	29.76	29.98
6696	NASDAQ	PKOH	Thu, Dec 27, 2018	29.00	30.10	29.00	30.10
6695	NASDAQ	PKOH	Wed, Dec 26, 2018	28.52	29.90	28.01	29.44
6694	NASDAQ	PKOH	Mon, Dec 24, 2018	29.93	29.93	28.23	28.23
6693	NASDAQ	PKOH	Fri, Dec 21, 2018	30.59	30.79	29.51	30.24
6692	NASDAQ	PKOH	Thu, Dec 20, 2018	31.05	32.23	29.41	30.60
6691	NASDAQ	PKOH	Wed, Dec 19, 2018	31.43	32.52	30.81	31.04
6690	NASDAQ	PKOH	Tue, Dec 18, 2018	31.39	33.72	31.08	31.42
6689	NASDAQ	PKOH	Mon, Dec 17, 2018	31.25	33.37	31.03	31.03
6688	NASDAQ	PKOH	Fri, Dec 14, 2018	32.03	32.80	31.30	31.37
6687	NASDAQ	PKOH	Thu, Dec 13, 2018	33.28	34.33	32.38	32.52
6686	NASDAQ	PKOH	Wed, Dec 12, 2018	32.82	34.05	32.42	33.25
6685	NASDAQ	PKOH	Tue, Dec 11, 2018	33.74	33.74	32.16	32.54
6684	NASDAQ	PKOH	Mon, Dec 10, 2018	33.10	33.29	32.32	33.13
6683	NASDAQ	PKOH	Fri, Dec 7, 2018	34.01	34.24	32.50	33.02
6682	NASDAQ	PKOH	Thu, Dec 6, 2018	35.72	36.28	33.53	34.10
6681	NASDAQ	PKOH	Tue, Dec 4, 2018	37.25	37.25	35.72	35.73
6680	NASDAQ	PKOH	Mon, Dec 3, 2018	36.49	37.25	35.80	37.24
6679	NASDAQ	PKOH	Fri, Nov 30, 2018	36.12	37.54	35.88	36.06
6678	NASDAQ	PKOH	Thu, Nov 29, 2018	36.56	37.57	35.96	36.17
6677	NASDAQ	PKOH	Wed, Nov 28, 2018	36.04	37.24	35.80	36.93
6676	NASDAQ	PKOH	Tue, Nov 27, 2018	36.40	36.71	36.05	36.05
6675	NASDAQ	PKOH	Mon, Nov 26, 2018	37.26	37.93	36.07	36.79
6674	NASDAQ	PKOH	Fri, Nov 23, 2018	37.75	38.38	36.45	37.07
6673	NASDAQ	PKOH	Wed, Nov 21, 2018	35.93	38.14	35.93	37.96
6672	NASDAQ	PKOH	Tue, Nov 20, 2018	36.46	37.47	35.89	35.91
6671	NASDAQ	PKOH	Mon, Nov 19, 2018	37.27	37.51	36.71	36.99
6670	NASDAQ	PKOH	Fri, Nov 16, 2018	38.03	38.39	37.13	37.27
6669	NASDAQ	PKOH	Thu, Nov 15, 2018	36.42	38.38	36.42	38.10
6668	NASDAQ	PKOH	Wed, Nov 14, 2018	36.59	37.42	35.01	36.78
6667	NASDAQ	PKOH	Tue, Nov 13, 2018	36.88	37.43	36.11	36.60
6666	NASDAQ	PKOH	Mon, Nov 12, 2018	36.70	37.85	36.04	36.51
6665	NASDAQ	PKOH	Fri, Nov 9, 2018	38.39	38.39	36.77	36.79
6664	NASDAQ	PKOH	Thu, Nov 8, 2018	36.13	38.38	36.01	38.31
6663	NASDAQ	PKOH	Wed, Nov 7, 2018	38.05	38.05	35.71	36.14
6662	NASDAQ	PKOH	Tue, Nov 6, 2018	34.83	38.35	34.60	37.93
6661	NASDAQ	PKOH	Mon, Nov 5, 2018	34.21	35.00	33.16	33.16
6660	NASDAQ	PKOH	Fri, Nov 2, 2018	34.35	35.07	33.60	34.20
6659	NASDAQ	PKOH	Thu, Nov 1, 2018	33.17	35.69	32.79	34.36
6658	NASDAQ	PKOH	Wed, Oct 31, 2018	33.39	33.62	32.32	33.08
6657	NASDAQ	PKOH	Tue, Oct 30, 2018	33.10	33.81	32.88	33.14
6656	NASDAQ	PKOH	Mon, Oct 29, 2018	34.14	34.88	33.02	33.05
6655	NASDAQ	PKOH	Fri, Oct 26, 2018	33.47	34.96	32.94	33.74
6654	NASDAQ	PKOH	Thu, Oct 25, 2018	33.76	34.43	33.50	33.98
6653	NASDAQ	PKOH	Wed, Oct 24, 2018	34.52	35.50	33.55	33.55
6652	NASDAQ	PKOH	Tue, Oct 23, 2018	35.62	36.51	34.11	34.54
6651	NASDAQ	PKOH	Mon, Oct 22, 2018	35.99	37.25	35.80	35.94
6650	NASDAQ	PKOH	Fri, Oct 19, 2018	36.28	36.28	35.65	36.00
6649	NASDAQ	PKOH	Thu, Oct 18, 2018	36.57	36.58	35.60	36.27
6648	NASDAQ	PKOH	Wed, Oct 17, 2018	36.57	36.72	36.25	36.65
6647	NASDAQ	PKOH	Tue, Oct 16, 2018	36.21	36.74	35.82	36.69
6646	NASDAQ	PKOH	Mon, Oct 15, 2018	35.66	38.39	35.52	36.00
6645	NASDAQ	PKOH	Fri, Oct 12, 2018	36.82	37.26	35.33	35.67
6644	NASDAQ	PKOH	Thu, Oct 11, 2018	35.10	37.11	35.00	36.36
6643	NASDAQ	PKOH	Wed, Oct 10, 2018	36.95	37.28	35.04	35.18
6642	NASDAQ	PKOH	Tue, Oct 9, 2018	37.60	37.91	36.88	36.94
6641	NASDAQ	PKOH	Mon, Oct 8, 2018	38.39	38.43	36.87	37.60
6640	NASDAQ	PKOH	Fri, Oct 5, 2018	38.76	38.77	38.16	38.51
6639	NASDAQ	PKOH	Thu, Oct 4, 2018	38.86	39.05	38.49	38.77
6638	NASDAQ	PKOH	Wed, Oct 3, 2018	38.40	39.14	38.22	38.87
6637	NASDAQ	PKOH	Tue, Oct 2, 2018	38.31	39.40	37.82	38.28
6636	NASDAQ	PKOH	Mon, Oct 1, 2018	38.50	40.09	38.06	38.31
6635	NASDAQ	PKOH	Fri, Sep 28, 2018	38.00	38.55	38.00	38.35
6634	NASDAQ	PKOH	Thu, Sep 27, 2018	37.80	38.40	37.30	38.05
6633	NASDAQ	PKOH	Wed, Sep 26, 2018	38.28	38.90	37.56	37.80
6632	NASDAQ	PKOH	Tue, Sep 25, 2018	38.15	38.83	37.90	38.10
6631	NASDAQ	PKOH	Mon, Sep 24, 2018	38.80	39.30	37.75	38.00
6630	NASDAQ	PKOH	Fri, Sep 21, 2018	39.35	40.10	38.85	38.90
6629	NASDAQ	PKOH	Thu, Sep 20, 2018	38.85	39.50	38.85	39.35
6628	NASDAQ	PKOH	Wed, Sep 19, 2018	38.71	39.15	38.45	38.55
6627	NASDAQ	PKOH	Tue, Sep 18, 2018	39.15	39.15	38.45	38.45
6626	NASDAQ	PKOH	Mon, Sep 17, 2018	39.00	39.75	38.75	38.85
6625	NASDAQ	PKOH	Fri, Sep 14, 2018	39.03	39.30	38.40	39.00
6624	NASDAQ	PKOH	Thu, Sep 13, 2018	37.78	38.90	37.25	38.45
6623	NASDAQ	PKOH	Wed, Sep 12, 2018	38.15	38.70	37.20	37.50
6622	NASDAQ	PKOH	Tue, Sep 11, 2018	38.80	38.85	38.15	38.25
6621	NASDAQ	PKOH	Mon, Sep 10, 2018	39.80	39.85	38.70	38.85
6620	NASDAQ	PKOH	Fri, Sep 7, 2018	41.10	41.10	39.35	39.70
6619	NASDAQ	PKOH	Thu, Sep 6, 2018	41.55	41.95	40.90	41.05
6618	NASDAQ	PKOH	Wed, Sep 5, 2018	41.40	41.90	39.78	41.55
6617	NASDAQ	PKOH	Tue, Sep 4, 2018	41.35	42.00	41.20	41.50
6616	NASDAQ	PKOH	Fri, Aug 31, 2018	41.00	41.75	39.19	41.45
6615	NASDAQ	PKOH	Thu, Aug 30, 2018	41.87	42.25	40.65	41.10
6614	NASDAQ	PKOH	Wed, Aug 29, 2018	41.60	42.10	40.50	41.60
6613	NASDAQ	PKOH	Tue, Aug 28, 2018	42.35	42.80	41.60	41.60
6612	NASDAQ	PKOH	Mon, Aug 27, 2018	42.15	43.15	42.00	42.10
6611	NASDAQ	PKOH	Fri, Aug 24, 2018	41.60	42.25	41.40	41.90
6610	NASDAQ	PKOH	Thu, Aug 23, 2018	41.80	42.55	41.15	41.35
6609	NASDAQ	PKOH	Wed, Aug 22, 2018	42.20	42.38	41.61	42.00
6608	NASDAQ	PKOH	Tue, Aug 21, 2018	40.95	42.74	40.16	42.20
6607	NASDAQ	PKOH	Mon, Aug 20, 2018	39.95	40.75	39.75	40.75
6606	NASDAQ	PKOH	Fri, Aug 17, 2018	39.75	40.40	39.65	39.65
6605	NASDAQ	PKOH	Thu, Aug 16, 2018	39.80	40.30	39.40	39.95
6604	NASDAQ	PKOH	Wed, Aug 15, 2018	40.50	40.50	38.98	39.60
6603	NASDAQ	PKOH	Tue, Aug 14, 2018	39.40	40.78	38.85	40.60
6602	NASDAQ	PKOH	Mon, Aug 13, 2018	40.20	40.20	38.70	39.15
6601	NASDAQ	PKOH	Fri, Aug 10, 2018	40.15	40.45	39.10	39.95
6600	NASDAQ	PKOH	Thu, Aug 9, 2018	41.00	41.73	39.65	40.25
6599	NASDAQ	PKOH	Wed, Aug 8, 2018	36.55	37.15	36.49	36.75
6598	NASDAQ	PKOH	Tue, Aug 7, 2018	36.50	37.05	36.01	36.80
6597	NASDAQ	PKOH	Mon, Aug 6, 2018	36.65	37.15	36.35	36.50
6596	NASDAQ	PKOH	Fri, Aug 3, 2018	36.20	36.75	35.50	36.50
6595	NASDAQ	PKOH	Thu, Aug 2, 2018	36.10	36.50	35.95	36.15
6594	NASDAQ	PKOH	Wed, Aug 1, 2018	37.50	37.70	35.65	36.80
6593	NASDAQ	PKOH	Tue, Jul 31, 2018	36.50	37.70	36.50	37.45
6592	NASDAQ	PKOH	Mon, Jul 30, 2018	35.51	36.40	35.50	35.95
6591	NASDAQ	PKOH	Fri, Jul 27, 2018	37.00	37.15	35.40	35.50
6590	NASDAQ	PKOH	Thu, Jul 26, 2018	36.85	37.20	36.80	36.90
6589	NASDAQ	PKOH	Wed, Jul 25, 2018	37.65	38.30	36.70	36.80
6588	NASDAQ	PKOH	Tue, Jul 24, 2018	37.95	38.10	37.40	37.70
6587	NASDAQ	PKOH	Mon, Jul 23, 2018	37.65	38.00	37.30	37.85
6586	NASDAQ	PKOH	Fri, Jul 20, 2018	37.75	38.40	37.50	37.90
6585	NASDAQ	PKOH	Thu, Jul 19, 2018	37.50	37.98	37.50	37.75
6584	NASDAQ	PKOH	Wed, Jul 18, 2018	37.75	38.15	37.25	37.50
6583	NASDAQ	PKOH	Tue, Jul 17, 2018	37.15	38.05	37.15	37.80
6582	NASDAQ	PKOH	Mon, Jul 16, 2018	37.50	38.00	36.70	37.20
6581	NASDAQ	PKOH	Fri, Jul 13, 2018	37.75	38.00	37.20	37.40
6580	NASDAQ	PKOH	Thu, Jul 12, 2018	38.10	38.10	36.18	37.20
6579	NASDAQ	PKOH	Wed, Jul 11, 2018	38.30	38.50	37.55	37.80
6578	NASDAQ	PKOH	Tue, Jul 10, 2018	38.30	39.30	38.30	38.55
6577	NASDAQ	PKOH	Mon, Jul 9, 2018	38.45	38.85	38.34	38.55
6576	NASDAQ	PKOH	Fri, Jul 6, 2018	38.35	38.95	37.80	38.50
6575	NASDAQ	PKOH	Thu, Jul 5, 2018	38.35	39.15	37.28	38.45
6574	NASDAQ	PKOH	Tue, Jul 3, 2018	38.55	39.20	37.90	38.05
6573	NASDAQ	PKOH	Mon, Jul 2, 2018	37.00	38.70	37.00	38.50
6572	NASDAQ	PKOH	Fri, Jun 29, 2018	37.85	38.30	37.20	37.30
6571	NASDAQ	PKOH	Thu, Jun 28, 2018	37.50	38.05	36.80	37.70
6570	NASDAQ	PKOH	Wed, Jun 27, 2018	39.65	39.65	37.55	37.55
6569	NASDAQ	PKOH	Tue, Jun 26, 2018	40.30	40.30	39.35	39.65
6568	NASDAQ	PKOH	Mon, Jun 25, 2018	39.45	40.00	38.78	39.55
6567	NASDAQ	PKOH	Fri, Jun 22, 2018	39.55	40.15	39.30	39.65
6566	NASDAQ	PKOH	Thu, Jun 21, 2018	40.20	40.20	39.30	39.35
6565	NASDAQ	PKOH	Wed, Jun 20, 2018	39.60	40.35	39.40	40.10
6564	NASDAQ	PKOH	Tue, Jun 19, 2018	39.50	39.80	38.74	39.65
6563	NASDAQ	PKOH	Mon, Jun 18, 2018	39.35	40.05	39.35	39.85
6562	NASDAQ	PKOH	Fri, Jun 15, 2018	39.05	39.60	38.80	39.45
6561	NASDAQ	PKOH	Thu, Jun 14, 2018	39.60	39.60	38.80	39.30
6560	NASDAQ	PKOH	Wed, Jun 13, 2018	39.30	39.75	38.80	39.45
6559	NASDAQ	PKOH	Tue, Jun 12, 2018	39.94	39.95	39.15	39.30
6558	NASDAQ	PKOH	Mon, Jun 11, 2018	40.00	40.70	39.80	40.35
6557	NASDAQ	PKOH	Fri, Jun 8, 2018	40.25	40.30	40.00	40.00
6556	NASDAQ	PKOH	Thu, Jun 7, 2018	40.45	40.60	39.80	40.25
6555	NASDAQ	PKOH	Wed, Jun 6, 2018	40.80	41.30	39.90	40.30
6554	NASDAQ	PKOH	Tue, Jun 5, 2018	40.70	41.20	40.30	40.75
6553	NASDAQ	PKOH	Mon, Jun 4, 2018	39.85	40.05	39.40	39.85
6552	NASDAQ	PKOH	Fri, Jun 1, 2018	39.65	40.35	39.55	39.70
6551	NASDAQ	PKOH	Thu, May 31, 2018	40.45	40.45	39.20	39.45
6550	NASDAQ	PKOH	Wed, May 30, 2018	40.20	41.05	40.20	40.45
6549	NASDAQ	PKOH	Tue, May 29, 2018	40.70	41.30	39.30	40.25
6548	NASDAQ	PKOH	Fri, May 25, 2018	41.30	41.30	40.25	40.85
6547	NASDAQ	PKOH	Thu, May 24, 2018	41.40	42.00	40.95	41.25
6546	NASDAQ	PKOH	Wed, May 23, 2018	42.20	42.55	41.60	42.00
6545	NASDAQ	PKOH	Tue, May 22, 2018	41.95	42.90	41.95	42.40
6544	NASDAQ	PKOH	Mon, May 21, 2018	41.65	42.20	41.40	41.55
6543	NASDAQ	PKOH	Fri, May 18, 2018	41.15	41.85	40.95	41.45
6542	NASDAQ	PKOH	Thu, May 17, 2018	40.65	41.20	40.30	40.80
6541	NASDAQ	PKOH	Wed, May 16, 2018	40.50	41.10	40.40	40.60
6540	NASDAQ	PKOH	Tue, May 15, 2018	40.44	40.80	39.95	40.30
6539	NASDAQ	PKOH	Mon, May 14, 2018	40.85	40.85	40.16	40.35
6538	NASDAQ	PKOH	Fri, May 11, 2018	40.25	41.25	39.65	40.55
6537	NASDAQ	PKOH	Thu, May 10, 2018	37.50	40.65	37.45	40.10
6536	NASDAQ	PKOH	Wed, May 9, 2018	36.20	37.93	35.65	37.35
6535	NASDAQ	PKOH	Tue, May 8, 2018	36.05	36.30	34.95	35.20
6534	NASDAQ	PKOH	Mon, May 7, 2018	36.60	36.85	35.70	36.05
6533	NASDAQ	PKOH	Fri, May 4, 2018	36.55	37.40	36.15	36.40
6532	NASDAQ	PKOH	Thu, May 3, 2018	40.94	40.94	36.60	36.90
6531	NASDAQ	PKOH	Wed, May 2, 2018	37.90	38.10	37.05	37.35
6530	NASDAQ	PKOH	Tue, May 1, 2018	38.00	38.18	37.00	38.00
6529	NASDAQ	PKOH	Mon, Apr 30, 2018	37.80	38.30	37.70	37.90
6528	NASDAQ	PKOH	Fri, Apr 27, 2018	37.50	38.10	36.65	37.70
6527	NASDAQ	PKOH	Thu, Apr 26, 2018	37.50	38.03	36.50	37.55
6526	NASDAQ	PKOH	Wed, Apr 25, 2018	37.65	38.01	37.05	37.35
6525	NASDAQ	PKOH	Tue, Apr 24, 2018	38.60	38.60	37.30	37.75
6524	NASDAQ	PKOH	Mon, Apr 23, 2018	38.90	39.45	38.20	38.35
6523	NASDAQ	PKOH	Fri, Apr 20, 2018	38.75	39.20	38.55	38.85
6522	NASDAQ	PKOH	Thu, Apr 19, 2018	39.65	40.01	38.75	38.95
6521	NASDAQ	PKOH	Wed, Apr 18, 2018	38.65	40.05	38.60	39.85
6520	NASDAQ	PKOH	Tue, Apr 17, 2018	38.80	39.15	38.45	38.60
6519	NASDAQ	PKOH	Mon, Apr 16, 2018	37.90	39.05	37.85	38.50
6518	NASDAQ	PKOH	Fri, Apr 13, 2018	38.05	38.75	37.10	37.55
6517	NASDAQ	PKOH	Thu, Apr 12, 2018	38.20	39.07	37.80	38.05
6516	NASDAQ	PKOH	Wed, Apr 11, 2018	38.45	39.70	38.18	38.95
6515	NASDAQ	PKOH	Tue, Apr 10, 2018	38.20	39.64	37.95	38.70
6514	NASDAQ	PKOH	Mon, Apr 9, 2018	38.20	38.70	37.70	37.85
6513	NASDAQ	PKOH	Fri, Apr 6, 2018	38.55	39.60	37.60	38.05
6512	NASDAQ	PKOH	Thu, Apr 5, 2018	38.35	39.90	38.30	38.85
6511	NASDAQ	PKOH	Wed, Apr 4, 2018	38.30	38.90	37.30	38.00
6510	NASDAQ	PKOH	Tue, Apr 3, 2018	38.80	39.45	38.00	38.90
6509	NASDAQ	PKOH	Mon, Apr 2, 2018	38.75	39.00	37.08	38.60
6508	NASDAQ	PKOH	Thu, Mar 29, 2018	39.20	39.85	38.75	38.85
6507	NASDAQ	PKOH	Wed, Mar 28, 2018	39.20	39.70	38.75	39.00
6506	NASDAQ	PKOH	Tue, Mar 27, 2018	40.00	40.95	39.05	39.20
6505	NASDAQ	PKOH	Mon, Mar 26, 2018	40.10	40.10	39.25	39.80
6504	NASDAQ	PKOH	Fri, Mar 23, 2018	41.25	41.50	39.55	39.55
6503	NASDAQ	PKOH	Thu, Mar 22, 2018	41.80	41.80	41.25	41.25
6502	NASDAQ	PKOH	Wed, Mar 21, 2018	41.55	42.30	41.55	42.20
6501	NASDAQ	PKOH	Tue, Mar 20, 2018	41.60	41.93	41.40	41.55
6500	NASDAQ	PKOH	Mon, Mar 19, 2018	42.80	42.80	41.35	41.65
6499	NASDAQ	PKOH	Fri, Mar 16, 2018	42.25	43.95	41.67	42.95
6498	NASDAQ	PKOH	Thu, Mar 15, 2018	42.75	43.05	42.00	42.40
6497	NASDAQ	PKOH	Wed, Mar 14, 2018	43.25	43.25	42.60	42.80
6496	NASDAQ	PKOH	Tue, Mar 13, 2018	42.95	43.45	42.75	43.15
6495	NASDAQ	PKOH	Mon, Mar 12, 2018	43.00	43.15	42.75	42.95
6494	NASDAQ	PKOH	Fri, Mar 9, 2018	42.50	43.30	41.35	43.00
6493	NASDAQ	PKOH	Thu, Mar 8, 2018	41.80	42.35	41.35	42.05
6492	NASDAQ	PKOH	Wed, Mar 7, 2018	42.45	43.40	41.00	41.85
6491	NASDAQ	PKOH	Tue, Mar 6, 2018	40.10	43.65	40.10	43.10
6490	NASDAQ	PKOH	Mon, Mar 5, 2018	39.20	40.15	39.20	39.70
6489	NASDAQ	PKOH	Fri, Mar 2, 2018	39.40	39.80	38.41	39.25
6488	NASDAQ	PKOH	Thu, Mar 1, 2018	39.85	40.05	39.00	39.75
6487	NASDAQ	PKOH	Wed, Feb 28, 2018	40.40	41.05	39.75	39.85
6486	NASDAQ	PKOH	Tue, Feb 27, 2018	41.35	41.55	40.15	40.45
6485	NASDAQ	PKOH	Mon, Feb 26, 2018	41.05	41.78	40.60	41.30
6484	NASDAQ	PKOH	Fri, Feb 23, 2018	40.65	41.10	40.15	40.90
6483	NASDAQ	PKOH	Thu, Feb 22, 2018	40.10	40.45	39.75	40.15
6482	NASDAQ	PKOH	Wed, Feb 21, 2018	39.95	40.90	39.70	40.00
6481	NASDAQ	PKOH	Tue, Feb 20, 2018	40.50	41.03	39.75	39.95
6480	NASDAQ	PKOH	Fri, Feb 16, 2018	41.15	42.30	40.45	40.75
6479	NASDAQ	PKOH	Thu, Feb 15, 2018	40.40	41.45	39.90	41.35
6478	NASDAQ	PKOH	Wed, Feb 14, 2018	40.00	40.55	39.80	40.25
6477	NASDAQ	PKOH	Tue, Feb 13, 2018	39.25	40.80	39.25	40.60
6476	NASDAQ	PKOH	Mon, Feb 12, 2018	40.35	40.45	39.18	39.70
6475	NASDAQ	PKOH	Fri, Feb 9, 2018	40.65	44.35	39.44	40.20
6474	NASDAQ	PKOH	Thu, Feb 8, 2018	41.60	41.80	40.05	40.05
6473	NASDAQ	PKOH	Wed, Feb 7, 2018	41.35	43.05	41.35	41.70
6472	NASDAQ	PKOH	Tue, Feb 6, 2018	40.30	41.90	40.26	41.20
6471	NASDAQ	PKOH	Mon, Feb 5, 2018	42.80	42.80	41.50	41.75
6470	NASDAQ	PKOH	Fri, Feb 2, 2018	43.25	43.90	41.70	43.30
6469	NASDAQ	PKOH	Thu, Feb 1, 2018	41.35	44.20	41.35	43.70
6468	NASDAQ	PKOH	Wed, Jan 31, 2018	44.55	44.60	41.15	41.65
6467	NASDAQ	PKOH	Tue, Jan 30, 2018	45.30	45.50	44.10	44.50
6466	NASDAQ	PKOH	Mon, Jan 29, 2018	45.70	46.10	45.39	45.55
6465	NASDAQ	PKOH	Fri, Jan 26, 2018	46.25	46.40	45.90	46.15
6464	NASDAQ	PKOH	Thu, Jan 25, 2018	46.40	46.40	45.40	46.25
6463	NASDAQ	PKOH	Wed, Jan 24, 2018	46.70	47.05	45.60	45.65
6462	NASDAQ	PKOH	Tue, Jan 23, 2018	45.40	47.25	44.65	46.70
6461	NASDAQ	PKOH	Mon, Jan 22, 2018	47.05	47.05	45.60	45.80
6460	NASDAQ	PKOH	Fri, Jan 19, 2018	46.10	47.75	45.85	47.35
6459	NASDAQ	PKOH	Thu, Jan 18, 2018	46.45	46.45	45.53	45.85
6458	NASDAQ	PKOH	Wed, Jan 17, 2018	46.45	47.00	46.15	46.50
6457	NASDAQ	PKOH	Tue, Jan 16, 2018	47.20	47.90	46.15	46.25
6456	NASDAQ	PKOH	Fri, Jan 12, 2018	47.05	47.65	46.30	46.65
6455	NASDAQ	PKOH	Thu, Jan 11, 2018	46.20	47.25	44.50	47.00
6454	NASDAQ	PKOH	Wed, Jan 10, 2018	46.00	46.10	45.45	46.10
6453	NASDAQ	PKOH	Tue, Jan 9, 2018	46.45	47.00	45.70	46.30
6452	NASDAQ	PKOH	Mon, Jan 8, 2018	47.00	47.00	46.25	46.30
6451	NASDAQ	PKOH	Fri, Jan 5, 2018	46.70	47.70	45.90	47.05
6450	NASDAQ	PKOH	Thu, Jan 4, 2018	46.00	46.95	46.00	46.25
6449	NASDAQ	PKOH	Wed, Jan 3, 2018	45.40	46.25	45.35	45.90
6448	NASDAQ	PKOH	Tue, Jan 2, 2018	46.45	46.80	45.05	45.45
6447	NASDAQ	PKOH	Fri, Dec 29, 2017	45.10	47.40	44.95	45.95
6446	NASDAQ	PKOH	Thu, Dec 28, 2017	44.95	45.35	44.44	44.85
6445	NASDAQ	PKOH	Wed, Dec 27, 2017	44.55	45.20	44.45	44.95
6444	NASDAQ	PKOH	Tue, Dec 26, 2017	44.35	45.25	44.00	44.70
6443	NASDAQ	PKOH	Fri, Dec 22, 2017	44.25	45.04	43.70	44.40
6442	NASDAQ	PKOH	Thu, Dec 21, 2017	44.60	45.05	43.80	44.30
6441	NASDAQ	PKOH	Wed, Dec 20, 2017	44.25	45.10	44.00	44.45
6440	NASDAQ	PKOH	Tue, Dec 19, 2017	44.20	44.75	43.58	44.00
6439	NASDAQ	PKOH	Mon, Dec 18, 2017	43.25	45.25	43.15	44.35
6438	NASDAQ	PKOH	Fri, Dec 15, 2017	41.35	43.45	40.90	43.05
6437	NASDAQ	PKOH	Thu, Dec 14, 2017	41.70	42.16	41.10	41.30
6436	NASDAQ	PKOH	Wed, Dec 13, 2017	41.85	43.25	41.45	41.65
6435	NASDAQ	PKOH	Tue, Dec 12, 2017	41.60	42.10	41.50	41.90
6434	NASDAQ	PKOH	Mon, Dec 11, 2017	42.70	42.70	41.27	41.75
6433	NASDAQ	PKOH	Fri, Dec 8, 2017	43.60	44.00	42.60	42.70
6432	NASDAQ	PKOH	Thu, Dec 7, 2017	43.10	44.15	43.10	43.30
6431	NASDAQ	PKOH	Wed, Dec 6, 2017	43.30	43.87	42.60	43.15
6430	NASDAQ	PKOH	Tue, Dec 5, 2017	44.10	47.34	43.25	43.50
6429	NASDAQ	PKOH	Mon, Dec 4, 2017	45.05	46.15	43.20	43.95
6428	NASDAQ	PKOH	Fri, Dec 1, 2017	46.10	46.30	44.10	44.45
6427	NASDAQ	PKOH	Thu, Nov 30, 2017	47.20	47.70	46.50	46.50
6426	NASDAQ	PKOH	Wed, Nov 29, 2017	47.00	47.70	45.90	47.00
6425	NASDAQ	PKOH	Tue, Nov 28, 2017	46.35	47.15	46.35	46.95
6424	NASDAQ	PKOH	Mon, Nov 27, 2017	45.95	46.85	45.85	46.30
6423	NASDAQ	PKOH	Fri, Nov 24, 2017	46.50	47.05	43.06	46.20
6422	NASDAQ	PKOH	Wed, Nov 22, 2017	46.85	47.75	46.30	46.45
6421	NASDAQ	PKOH	Tue, Nov 21, 2017	45.05	47.05	44.60	46.80
6420	NASDAQ	PKOH	Mon, Nov 20, 2017	43.05	44.90	42.95	44.80
6419	NASDAQ	PKOH	Fri, Nov 17, 2017	42.65	42.98	42.23	42.95
6418	NASDAQ	PKOH	Thu, Nov 16, 2017	41.85	43.00	41.65	42.70
6417	NASDAQ	PKOH	Wed, Nov 15, 2017	41.25	41.80	41.25	41.50
6416	NASDAQ	PKOH	Tue, Nov 14, 2017	40.50	41.20	40.25	41.15
6415	NASDAQ	PKOH	Mon, Nov 13, 2017	41.55	41.75	40.40	40.60
6414	NASDAQ	PKOH	Fri, Nov 10, 2017	42.25	42.65	41.40	41.90
6413	NASDAQ	PKOH	Thu, Nov 9, 2017	43.25	43.60	41.70	42.10
6412	NASDAQ	PKOH	Wed, Nov 8, 2017	41.65	43.65	41.65	43.25
6411	NASDAQ	PKOH	Tue, Nov 7, 2017	46.90	46.90	40.85	42.30
6410	NASDAQ	PKOH	Mon, Nov 6, 2017	46.25	46.25	45.40	45.70
6409	NASDAQ	PKOH	Fri, Nov 3, 2017	47.50	47.55	46.10	46.20
6408	NASDAQ	PKOH	Thu, Nov 2, 2017	46.25	47.80	45.90	47.70
6407	NASDAQ	PKOH	Wed, Nov 1, 2017	47.45	47.45	45.20	46.30
6406	NASDAQ	PKOH	Tue, Oct 31, 2017	45.75	47.50	45.75	47.15
6405	NASDAQ	PKOH	Mon, Oct 30, 2017	46.50	46.50	44.60	45.70
6404	NASDAQ	PKOH	Fri, Oct 27, 2017	46.15	46.90	46.10	46.50
6403	NASDAQ	PKOH	Thu, Oct 26, 2017	45.80	46.45	45.75	46.40
6402	NASDAQ	PKOH	Wed, Oct 25, 2017	45.30	45.80	44.88	45.40
6401	NASDAQ	PKOH	Tue, Oct 24, 2017	45.95	46.40	45.55	45.60
6400	NASDAQ	PKOH	Mon, Oct 23, 2017	46.55	46.55	45.70	45.90
6399	NASDAQ	PKOH	Fri, Oct 20, 2017	46.50	46.58	46.20	46.25
6398	NASDAQ	PKOH	Thu, Oct 19, 2017	45.85	46.60	45.65	46.05
6397	NASDAQ	PKOH	Wed, Oct 18, 2017	45.50	46.85	45.50	46.30
6396	NASDAQ	PKOH	Tue, Oct 17, 2017	45.75	46.05	45.28	45.50
6395	NASDAQ	PKOH	Mon, Oct 16, 2017	45.90	46.90	45.70	46.00
6394	NASDAQ	PKOH	Fri, Oct 13, 2017	45.95	46.40	45.65	45.85
6393	NASDAQ	PKOH	Thu, Oct 12, 2017	45.70	46.56	45.60	46.05
6392	NASDAQ	PKOH	Wed, Oct 11, 2017	45.80	46.10	45.45	45.55
6391	NASDAQ	PKOH	Tue, Oct 10, 2017	46.00	46.15	45.60	45.75
6390	NASDAQ	PKOH	Mon, Oct 9, 2017	46.20	46.45	45.45	45.75
6389	NASDAQ	PKOH	Fri, Oct 6, 2017	46.15	46.40	45.80	46.25
6388	NASDAQ	PKOH	Thu, Oct 5, 2017	46.30	46.78	45.75	45.90
6387	NASDAQ	PKOH	Wed, Oct 4, 2017	46.50	46.55	46.15	46.25
6386	NASDAQ	PKOH	Tue, Oct 3, 2017	46.40	46.82	46.40	46.55
6385	NASDAQ	PKOH	Mon, Oct 2, 2017	45.55	46.35	45.55	46.35
6384	NASDAQ	PKOH	Fri, Sep 29, 2017	45.30	45.95	45.30	45.60
6383	NASDAQ	PKOH	Thu, Sep 28, 2017	44.75	46.05	42.96	45.75
6382	NASDAQ	PKOH	Wed, Sep 27, 2017	43.20	45.00	42.70	44.80
6381	NASDAQ	PKOH	Tue, Sep 26, 2017	42.95	43.25	42.50	43.20
6380	NASDAQ	PKOH	Mon, Sep 25, 2017	43.55	44.35	42.70	43.00
6379	NASDAQ	PKOH	Fri, Sep 22, 2017	42.70	43.65	41.65	43.55
6378	NASDAQ	PKOH	Thu, Sep 21, 2017	41.35	42.75	41.30	42.55
6377	NASDAQ	PKOH	Wed, Sep 20, 2017	41.45	41.85	41.05	41.40
6376	NASDAQ	PKOH	Tue, Sep 19, 2017	41.40	41.40	40.95	41.35
6375	NASDAQ	PKOH	Mon, Sep 18, 2017	40.50	41.70	40.50	41.45
6374	NASDAQ	PKOH	Fri, Sep 15, 2017	40.30	40.70	40.20	40.40
6373	NASDAQ	PKOH	Thu, Sep 14, 2017	40.10	40.75	40.05	40.25
6372	NASDAQ	PKOH	Wed, Sep 13, 2017	39.60	40.35	39.60	40.35
6371	NASDAQ	PKOH	Tue, Sep 12, 2017	40.21	40.55	39.65	39.80
6370	NASDAQ	PKOH	Mon, Sep 11, 2017	39.70	39.95	39.15	39.75
6369	NASDAQ	PKOH	Fri, Sep 8, 2017	39.35	39.90	38.80	39.25
6368	NASDAQ	PKOH	Thu, Sep 7, 2017	39.80	39.80	38.65	39.30
6367	NASDAQ	PKOH	Wed, Sep 6, 2017	39.75	40.20	39.50	39.65
6366	NASDAQ	PKOH	Tue, Sep 5, 2017	40.25	40.50	39.63	39.70
6365	NASDAQ	PKOH	Fri, Sep 1, 2017	39.85	40.35	39.85	40.30
6364	NASDAQ	PKOH	Thu, Aug 31, 2017	39.80	40.50	39.70	39.85
6363	NASDAQ	PKOH	Wed, Aug 30, 2017	39.15	39.70	38.95	39.55
6362	NASDAQ	PKOH	Tue, Aug 29, 2017	39.05	39.60	38.95	39.30
6361	NASDAQ	PKOH	Mon, Aug 28, 2017	39.55	39.60	39.05	39.25
6360	NASDAQ	PKOH	Fri, Aug 25, 2017	39.60	39.75	39.40	39.55
6359	NASDAQ	PKOH	Thu, Aug 24, 2017	40.20	40.35	38.91	39.45
6358	NASDAQ	PKOH	Wed, Aug 23, 2017	39.70	40.40	39.49	39.90
6357	NASDAQ	PKOH	Tue, Aug 22, 2017	39.60	40.10	39.60	39.85
6356	NASDAQ	PKOH	Mon, Aug 21, 2017	40.50	40.50	39.50	39.55
6355	NASDAQ	PKOH	Fri, Aug 18, 2017	40.35	40.80	39.85	40.55
6354	NASDAQ	PKOH	Thu, Aug 17, 2017	40.85	40.97	40.40	40.70
6353	NASDAQ	PKOH	Wed, Aug 16, 2017	40.93	40.95	40.56	40.80
6352	NASDAQ	PKOH	Tue, Aug 15, 2017	40.25	41.35	40.15	40.80
6351	NASDAQ	PKOH	Mon, Aug 14, 2017	39.15	40.50	38.95	40.40
6350	NASDAQ	PKOH	Fri, Aug 11, 2017	38.80	39.45	38.45	39.15
6349	NASDAQ	PKOH	Thu, Aug 10, 2017	39.20	39.80	38.80	38.85
6348	NASDAQ	PKOH	Wed, Aug 9, 2017	39.05	39.55	38.85	39.45
6347	NASDAQ	PKOH	Tue, Aug 8, 2017	39.00	39.55	38.60	39.15
6346	NASDAQ	PKOH	Mon, Aug 7, 2017	39.15	39.50	38.65	39.25
6345	NASDAQ	PKOH	Fri, Aug 4, 2017	39.25	39.63	39.25	39.45
6344	NASDAQ	PKOH	Thu, Aug 3, 2017	39.55	39.55	38.95	39.15
6343	NASDAQ	PKOH	Wed, Aug 2, 2017	39.70	39.83	39.15	39.50
6342	NASDAQ	PKOH	Tue, Aug 1, 2017	39.35	40.25	39.30	40.00
6341	NASDAQ	PKOH	Mon, Jul 31, 2017	39.82	40.10	39.25	39.75
6340	NASDAQ	PKOH	Fri, Jul 28, 2017	40.05	40.40	39.60	39.80
6339	NASDAQ	PKOH	Thu, Jul 27, 2017	39.90	40.30	39.20	40.10
6338	NASDAQ	PKOH	Wed, Jul 26, 2017	40.50	40.50	39.85	40.05
6337	NASDAQ	PKOH	Tue, Jul 25, 2017	40.00	40.80	40.00	40.55
6336	NASDAQ	PKOH	Mon, Jul 24, 2017	39.95	39.95	39.27	39.70
6335	NASDAQ	PKOH	Fri, Jul 21, 2017	41.30	41.30	39.55	39.90
6334	NASDAQ	PKOH	Thu, Jul 20, 2017	40.60	41.30	40.20	41.10
6333	NASDAQ	PKOH	Wed, Jul 19, 2017	39.90	40.41	39.90	40.20
6332	NASDAQ	PKOH	Tue, Jul 18, 2017	39.60	39.90	39.05	39.60
6331	NASDAQ	PKOH	Mon, Jul 17, 2017	38.90	40.00	38.85	40.00
6330	NASDAQ	PKOH	Fri, Jul 14, 2017	38.40	39.45	38.35	38.85
6329	NASDAQ	PKOH	Thu, Jul 13, 2017	38.75	38.75	38.05	38.50
6328	NASDAQ	PKOH	Wed, Jul 12, 2017	38.55	39.30	37.90	38.55
6327	NASDAQ	PKOH	Tue, Jul 11, 2017	38.38	38.40	37.10	38.05
6326	NASDAQ	PKOH	Mon, Jul 10, 2017	37.90	39.05	37.65	38.15
6325	NASDAQ	PKOH	Fri, Jul 7, 2017	37.95	38.26	37.65	37.85
6324	NASDAQ	PKOH	Thu, Jul 6, 2017	37.20	38.15	37.00	37.85
6323	NASDAQ	PKOH	Wed, Jul 5, 2017	38.60	38.60	37.10	37.25
6322	NASDAQ	PKOH	Mon, Jul 3, 2017	38.15	39.40	38.15	38.90
6321	NASDAQ	PKOH	Fri, Jun 30, 2017	38.35	38.45	37.62	38.10
6320	NASDAQ	PKOH	Thu, Jun 29, 2017	39.20	39.20	37.50	38.40
6319	NASDAQ	PKOH	Wed, Jun 28, 2017	38.30	39.75	38.03	39.05
6318	NASDAQ	PKOH	Tue, Jun 27, 2017	37.80	38.48	37.20	37.65
6317	NASDAQ	PKOH	Mon, Jun 26, 2017	37.90	38.43	37.00	37.85
6316	NASDAQ	PKOH	Fri, Jun 23, 2017	37.95	38.05	37.60	37.95
6315	NASDAQ	PKOH	Thu, Jun 22, 2017	37.90	38.50	37.85	37.90
6314	NASDAQ	PKOH	Wed, Jun 21, 2017	38.50	38.78	37.70	37.85
6313	NASDAQ	PKOH	Tue, Jun 20, 2017	38.35	38.70	38.20	38.45
6312	NASDAQ	PKOH	Mon, Jun 19, 2017	38.25	38.95	38.25	38.40
6311	NASDAQ	PKOH	Fri, Jun 16, 2017	38.10	38.60	38.05	38.25
6310	NASDAQ	PKOH	Thu, Jun 15, 2017	39.05	39.05	37.60	38.35
6309	NASDAQ	PKOH	Wed, Jun 14, 2017	38.20	38.75	37.45	38.20
6308	NASDAQ	PKOH	Tue, Jun 13, 2017	38.60	38.75	37.80	38.00
6307	NASDAQ	PKOH	Mon, Jun 12, 2017	39.15	39.65	38.10	38.60
6306	NASDAQ	PKOH	Fri, Jun 9, 2017	38.00	39.50	37.65	38.90
6305	NASDAQ	PKOH	Thu, Jun 8, 2017	36.95	38.05	36.85	37.60
6304	NASDAQ	PKOH	Wed, Jun 7, 2017	36.90	37.40	36.35	36.50
6303	NASDAQ	PKOH	Tue, Jun 6, 2017	37.00	37.40	36.50	36.95
6302	NASDAQ	PKOH	Mon, Jun 5, 2017	37.65	38.40	37.25	37.25
6301	NASDAQ	PKOH	Fri, Jun 2, 2017	37.90	39.05	36.51	37.40
6300	NASDAQ	PKOH	Thu, Jun 1, 2017	37.30	38.10	37.00	37.95
6299	NASDAQ	PKOH	Wed, May 31, 2017	36.70	37.10	35.80	37.10
6298	NASDAQ	PKOH	Tue, May 30, 2017	36.10	36.85	35.65	36.45
6297	NASDAQ	PKOH	Fri, May 26, 2017	35.80	36.65	35.45	36.20
6296	NASDAQ	PKOH	Thu, May 25, 2017	36.20	36.40	35.50	35.80
6295	NASDAQ	PKOH	Wed, May 24, 2017	36.00	36.60	35.90	36.00
6294	NASDAQ	PKOH	Tue, May 23, 2017	35.80	36.30	35.10	35.85
6293	NASDAQ	PKOH	Mon, May 22, 2017	35.50	36.00	34.90	35.55
6292	NASDAQ	PKOH	Fri, May 19, 2017	35.35	36.00	34.95	35.40
6291	NASDAQ	PKOH	Thu, May 18, 2017	35.35	35.62	35.15	35.25
6290	NASDAQ	PKOH	Wed, May 17, 2017	36.00	36.50	35.30	35.45
6289	NASDAQ	PKOH	Tue, May 16, 2017	35.90	37.05	35.75	36.20
6288	NASDAQ	PKOH	Mon, May 15, 2017	35.75	36.85	35.50	35.65
6287	NASDAQ	PKOH	Fri, May 12, 2017	35.75	36.08	34.33	35.30
6286	NASDAQ	PKOH	Thu, May 11, 2017	35.50	36.25	34.85	35.80
6285	NASDAQ	PKOH	Wed, May 10, 2017	36.60	37.98	34.35	35.30
6284	NASDAQ	PKOH	Tue, May 9, 2017	39.00	39.00	36.40	36.60
6283	NASDAQ	PKOH	Mon, May 8, 2017	38.30	38.60	38.15	38.55
6282	NASDAQ	PKOH	Fri, May 5, 2017	38.37	39.13	38.10	38.25
6281	NASDAQ	PKOH	Thu, May 4, 2017	38.55	38.55	38.05	38.30
6280	NASDAQ	PKOH	Wed, May 3, 2017	38.40	38.65	37.70	38.45
6279	NASDAQ	PKOH	Tue, May 2, 2017	38.90	39.25	38.30	38.75
6278	NASDAQ	PKOH	Mon, May 1, 2017	39.40	39.50	38.55	38.80
6277	NASDAQ	PKOH	Fri, Apr 28, 2017	40.15	40.15	39.30	39.35
6276	NASDAQ	PKOH	Thu, Apr 27, 2017	40.60	40.60	39.90	40.20
6275	NASDAQ	PKOH	Wed, Apr 26, 2017	40.00	41.05	39.80	40.55
6274	NASDAQ	PKOH	Tue, Apr 25, 2017	39.95	40.55	39.90	39.90
6273	NASDAQ	PKOH	Mon, Apr 24, 2017	39.75	40.38	39.25	39.40
6272	NASDAQ	PKOH	Fri, Apr 21, 2017	39.05	39.30	38.40	39.05
6271	NASDAQ	PKOH	Thu, Apr 20, 2017	39.05	39.20	38.20	39.05
6270	NASDAQ	PKOH	Wed, Apr 19, 2017	37.90	38.90	37.85	38.75
6269	NASDAQ	PKOH	Tue, Apr 18, 2017	36.55	37.85	36.55	37.75
6268	NASDAQ	PKOH	Mon, Apr 17, 2017	35.95	37.00	35.70	36.60
6267	NASDAQ	PKOH	Thu, Apr 13, 2017	37.10	37.23	35.85	35.85
6266	NASDAQ	PKOH	Wed, Apr 12, 2017	38.75	38.75	36.80	37.20
6265	NASDAQ	PKOH	Tue, Apr 11, 2017	37.45	38.65	37.00	38.45
6264	NASDAQ	PKOH	Mon, Apr 10, 2017	37.50	38.70	37.25	37.55
6263	NASDAQ	PKOH	Fri, Apr 7, 2017	36.10	37.60	36.00	37.50
6262	NASDAQ	PKOH	Thu, Apr 6, 2017	35.25	36.50	35.10	36.35
6261	NASDAQ	PKOH	Wed, Apr 5, 2017	36.40	37.15	35.00	35.15
6260	NASDAQ	PKOH	Tue, Apr 4, 2017	36.10	36.40	35.60	35.85
6259	NASDAQ	PKOH	Mon, Apr 3, 2017	35.95	37.10	35.86	36.25
6258	NASDAQ	PKOH	Fri, Mar 31, 2017	36.80	37.10	35.70	35.95
6257	NASDAQ	PKOH	Thu, Mar 30, 2017	36.35	36.75	36.05	36.50
6256	NASDAQ	PKOH	Wed, Mar 29, 2017	35.85	36.30	35.61	36.20
6255	NASDAQ	PKOH	Tue, Mar 28, 2017	35.35	36.10	35.00	35.85
6254	NASDAQ	PKOH	Mon, Mar 27, 2017	34.75	35.60	34.75	35.40
6253	NASDAQ	PKOH	Fri, Mar 24, 2017	35.80	36.18	35.15	35.35
6252	NASDAQ	PKOH	Thu, Mar 23, 2017	35.00	36.00	35.00	35.60
6251	NASDAQ	PKOH	Wed, Mar 22, 2017	35.20	35.40	34.25	34.95
6250	NASDAQ	PKOH	Tue, Mar 21, 2017	36.75	36.75	34.95	34.95
6249	NASDAQ	PKOH	Mon, Mar 20, 2017	36.15	36.70	35.50	36.55
6248	NASDAQ	PKOH	Fri, Mar 17, 2017	36.45	37.40	36.10	36.15
6247	NASDAQ	PKOH	Thu, Mar 16, 2017	36.70	37.00	36.45	36.55
6246	NASDAQ	PKOH	Wed, Mar 15, 2017	36.00	36.75	36.00	36.53
6245	NASDAQ	PKOH	Tue, Mar 14, 2017	35.85	36.45	35.70	36.05
6244	NASDAQ	PKOH	Mon, Mar 13, 2017	36.25	36.90	35.90	35.95
6243	NASDAQ	PKOH	Fri, Mar 10, 2017	36.75	37.23	35.80	36.15
6242	NASDAQ	PKOH	Thu, Mar 9, 2017	37.35	38.40	36.05	36.40
6241	NASDAQ	PKOH	Wed, Mar 8, 2017	40.20	40.20	37.20	37.45
6240	NASDAQ	PKOH	Tue, Mar 7, 2017	42.55	42.55	41.15	41.40
6239	NASDAQ	PKOH	Mon, Mar 6, 2017	42.30	43.05	42.00	42.55
6238	NASDAQ	PKOH	Fri, Mar 3, 2017	43.60	44.25	42.60	42.85
6237	NASDAQ	PKOH	Thu, Mar 2, 2017	45.65	46.00	43.50	43.60
6236	NASDAQ	PKOH	Wed, Mar 1, 2017	45.25	46.33	44.80	45.90
6235	NASDAQ	PKOH	Tue, Feb 28, 2017	44.85	45.30	44.48	44.65
6234	NASDAQ	PKOH	Mon, Feb 27, 2017	43.80	45.00	43.57	44.90
6233	NASDAQ	PKOH	Fri, Feb 24, 2017	42.85	44.85	42.50	44.30
6232	NASDAQ	PKOH	Thu, Feb 23, 2017	43.90	43.90	42.80	42.85
6231	NASDAQ	PKOH	Wed, Feb 22, 2017	43.10	43.85	42.95	43.60
6230	NASDAQ	PKOH	Tue, Feb 21, 2017	44.85	45.00	42.90	43.10
6229	NASDAQ	PKOH	Fri, Feb 17, 2017	44.20	45.35	44.05	45.20
6228	NASDAQ	PKOH	Thu, Feb 16, 2017	43.90	44.75	43.45	44.55
6227	NASDAQ	PKOH	Wed, Feb 15, 2017	43.40	44.40	43.40	44.10
6226	NASDAQ	PKOH	Tue, Feb 14, 2017	44.50	44.60	43.45	43.65
6225	NASDAQ	PKOH	Mon, Feb 13, 2017	43.80	44.80	43.50	44.60
6224	NASDAQ	PKOH	Fri, Feb 10, 2017	43.70	44.40	42.74	43.45
6223	NASDAQ	PKOH	Thu, Feb 9, 2017	44.05	44.40	43.30	43.35
6222	NASDAQ	PKOH	Wed, Feb 8, 2017	44.25	44.40	43.35	43.80
6221	NASDAQ	PKOH	Tue, Feb 7, 2017	44.60	45.20	43.55	44.35
6220	NASDAQ	PKOH	Mon, Feb 6, 2017	44.90	45.50	44.50	44.80
6219	NASDAQ	PKOH	Fri, Feb 3, 2017	45.80	45.80	44.83	44.95
6218	NASDAQ	PKOH	Thu, Feb 2, 2017	46.50	46.85	45.10	45.25
6217	NASDAQ	PKOH	Wed, Feb 1, 2017	45.10	47.00	44.90	46.75
6216	NASDAQ	PKOH	Tue, Jan 31, 2017	43.65	45.25	43.15	44.85
6215	NASDAQ	PKOH	Mon, Jan 30, 2017	44.40	44.60	43.43	44.35
6214	NASDAQ	PKOH	Fri, Jan 27, 2017	43.40	45.20	42.85	44.55
6213	NASDAQ	PKOH	Thu, Jan 26, 2017	43.25	43.33	42.80	43.10
6212	NASDAQ	PKOH	Wed, Jan 25, 2017	43.20	43.70	43.00	43.25
6211	NASDAQ	PKOH	Tue, Jan 24, 2017	42.50	43.90	42.50	42.95
6210	NASDAQ	PKOH	Mon, Jan 23, 2017	42.25	43.30	41.75	42.45
6209	NASDAQ	PKOH	Fri, Jan 20, 2017	42.85	43.50	41.85	42.05
6208	NASDAQ	PKOH	Thu, Jan 19, 2017	43.30	43.55	42.35	42.85
6207	NASDAQ	PKOH	Wed, Jan 18, 2017	42.80	43.75	42.35	43.20
6206	NASDAQ	PKOH	Tue, Jan 17, 2017	41.45	42.70	40.85	42.55
6205	NASDAQ	PKOH	Fri, Jan 13, 2017	40.40	42.50	40.40	41.25
6204	NASDAQ	PKOH	Thu, Jan 12, 2017	41.45	42.43	39.90	40.00
6203	NASDAQ	PKOH	Wed, Jan 11, 2017	42.05	42.20	41.39	42.05
6202	NASDAQ	PKOH	Tue, Jan 10, 2017	41.00	43.25	41.00	41.95
6201	NASDAQ	PKOH	Mon, Jan 9, 2017	37.26	41.60	37.26	40.70
6200	NASDAQ	PKOH	Fri, Jan 6, 2017	42.25	42.80	41.65	42.10
6199	NASDAQ	PKOH	Thu, Jan 5, 2017	43.60	43.70	41.80	41.95
6198	NASDAQ	PKOH	Wed, Jan 4, 2017	43.40	43.85	42.85	43.10
6197	NASDAQ	PKOH	Tue, Jan 3, 2017	43.10	43.85	42.55	43.00
6196	NASDAQ	PKOH	Fri, Dec 30, 2016	43.00	43.03	42.35	42.60
6195	NASDAQ	PKOH	Thu, Dec 29, 2016	42.95	43.20	42.30	42.75
6194	NASDAQ	PKOH	Wed, Dec 28, 2016	43.30	43.30	42.47	43.05
6193	NASDAQ	PKOH	Tue, Dec 27, 2016	43.15	43.95	42.75	43.00
6192	NASDAQ	PKOH	Fri, Dec 23, 2016	42.55	43.05	41.40	42.85
6191	NASDAQ	PKOH	Thu, Dec 22, 2016	42.75	43.55	42.05	42.45
6190	NASDAQ	PKOH	Wed, Dec 21, 2016	44.00	44.05	42.75	42.75
6189	NASDAQ	PKOH	Tue, Dec 20, 2016	43.85	44.65	43.08	43.65
6188	NASDAQ	PKOH	Mon, Dec 19, 2016	42.75	44.00	42.15	43.85
6187	NASDAQ	PKOH	Fri, Dec 16, 2016	43.15	43.85	42.60	43.15
6186	NASDAQ	PKOH	Thu, Dec 15, 2016	42.03	43.15	41.25	42.95
6185	NASDAQ	PKOH	Wed, Dec 14, 2016	42.45	42.45	41.00	41.25
6184	NASDAQ	PKOH	Tue, Dec 13, 2016	43.30	44.30	42.55	42.75
6183	NASDAQ	PKOH	Mon, Dec 12, 2016	43.60	43.60	42.75	43.30
6182	NASDAQ	PKOH	Fri, Dec 9, 2016	43.30	44.00	43.05	43.45
6181	NASDAQ	PKOH	Thu, Dec 8, 2016	43.30	44.65	42.45	42.95
6180	NASDAQ	PKOH	Wed, Dec 7, 2016	42.90	43.75	42.65	43.35
6179	NASDAQ	PKOH	Tue, Dec 6, 2016	42.50	43.30	42.20	42.30
6178	NASDAQ	PKOH	Mon, Dec 5, 2016	41.80	43.20	41.80	43.10
6177	NASDAQ	PKOH	Fri, Dec 2, 2016	42.10	42.70	41.25	41.60
6176	NASDAQ	PKOH	Thu, Dec 1, 2016	42.20	42.75	41.45	42.15
6175	NASDAQ	PKOH	Wed, Nov 30, 2016	42.35	42.95	41.70	42.15
6174	NASDAQ	PKOH	Tue, Nov 29, 2016	43.10	43.55	42.00	42.15
6173	NASDAQ	PKOH	Mon, Nov 28, 2016	42.80	43.75	41.95	42.80
6172	NASDAQ	PKOH	Fri, Nov 25, 2016	43.60	44.15	42.75	43.05
6171	NASDAQ	PKOH	Wed, Nov 23, 2016	42.40	43.65	42.40	43.60
6170	NASDAQ	PKOH	Tue, Nov 22, 2016	41.90	42.65	41.78	42.25
6169	NASDAQ	PKOH	Mon, Nov 21, 2016	40.65	42.10	40.50	41.90
6168	NASDAQ	PKOH	Fri, Nov 18, 2016	41.50	42.65	39.75	40.25
6167	NASDAQ	PKOH	Thu, Nov 17, 2016	40.60	42.45	39.80	41.25
6166	NASDAQ	PKOH	Wed, Nov 16, 2016	38.65	40.50	38.65	40.25
6165	NASDAQ	PKOH	Tue, Nov 15, 2016	40.20	40.20	38.00	39.10
6164	NASDAQ	PKOH	Mon, Nov 14, 2016	39.20	40.50	38.07	39.45
6163	NASDAQ	PKOH	Fri, Nov 11, 2016	37.25	39.80	37.10	38.45
6162	NASDAQ	PKOH	Thu, Nov 10, 2016	36.00	37.55	34.65	37.25
6161	NASDAQ	PKOH	Wed, Nov 9, 2016	33.65	35.75	33.65	35.45
6160	NASDAQ	PKOH	Tue, Nov 8, 2016	31.65	35.15	31.55	34.65
6159	NASDAQ	PKOH	Mon, Nov 7, 2016	31.25	31.85	30.85	30.90
6158	NASDAQ	PKOH	Fri, Nov 4, 2016	30.40	31.35	30.40	30.80
6157	NASDAQ	PKOH	Thu, Nov 3, 2016	30.35	31.45	30.35	30.95
6156	NASDAQ	PKOH	Wed, Nov 2, 2016	31.05	31.75	30.65	30.75
6155	NASDAQ	PKOH	Tue, Nov 1, 2016	31.95	32.45	30.80	31.25
6154	NASDAQ	PKOH	Mon, Oct 31, 2016	31.80	32.60	30.01	31.95
6153	NASDAQ	PKOH	Fri, Oct 28, 2016	32.10	32.27	31.64	31.93
6152	NASDAQ	PKOH	Thu, Oct 27, 2016	32.85	32.87	31.90	32.19
6151	NASDAQ	PKOH	Wed, Oct 26, 2016	33.36	34.00	32.55	32.63
6150	NASDAQ	PKOH	Tue, Oct 25, 2016	34.54	34.54	32.77	33.39
6149	NASDAQ	PKOH	Mon, Oct 24, 2016	34.71	34.98	34.33	34.72
6148	NASDAQ	PKOH	Fri, Oct 21, 2016	34.52	34.55	32.08	34.08
6147	NASDAQ	PKOH	Thu, Oct 20, 2016	33.68	35.06	33.00	34.94
6146	NASDAQ	PKOH	Wed, Oct 19, 2016	33.85	35.50	33.63	33.96
6145	NASDAQ	PKOH	Tue, Oct 18, 2016	34.18	34.25	33.66	33.83
6144	NASDAQ	PKOH	Mon, Oct 17, 2016	33.79	34.07	33.65	33.87
6143	NASDAQ	PKOH	Fri, Oct 14, 2016	34.25	34.45	33.55	33.64
6142	NASDAQ	PKOH	Thu, Oct 13, 2016	34.36	34.80	33.80	33.93
6141	NASDAQ	PKOH	Wed, Oct 12, 2016	34.04	34.82	33.73	34.77
6140	NASDAQ	PKOH	Tue, Oct 11, 2016	35.59	35.59	34.01	34.22
6139	NASDAQ	PKOH	Mon, Oct 10, 2016	35.20	35.95	35.15	35.67
6138	NASDAQ	PKOH	Fri, Oct 7, 2016	36.41	36.65	34.68	34.95
6137	NASDAQ	PKOH	Thu, Oct 6, 2016	36.31	36.94	36.31	36.43
6136	NASDAQ	PKOH	Wed, Oct 5, 2016	36.28	37.18	35.81	36.43
6135	NASDAQ	PKOH	Tue, Oct 4, 2016	36.60	37.05	35.60	36.00
6134	NASDAQ	PKOH	Mon, Oct 3, 2016	35.45	36.80	35.45	36.55
6133	NASDAQ	PKOH	Fri, Sep 30, 2016	36.57	36.75	34.51	36.45
6132	NASDAQ	PKOH	Thu, Sep 29, 2016	36.44	37.86	36.43	36.54
6131	NASDAQ	PKOH	Wed, Sep 28, 2016	36.60	36.78	36.28	36.66
6130	NASDAQ	PKOH	Tue, Sep 27, 2016	37.61	37.83	36.46	36.72
6129	NASDAQ	PKOH	Mon, Sep 26, 2016	36.97	38.79	36.60	37.86
6128	NASDAQ	PKOH	Fri, Sep 23, 2016	37.38	37.75	36.86	37.10
6127	NASDAQ	PKOH	Thu, Sep 22, 2016	37.55	37.56	37.31	37.54
6126	NASDAQ	PKOH	Wed, Sep 21, 2016	36.46	37.25	36.02	37.23
6125	NASDAQ	PKOH	Tue, Sep 20, 2016	36.43	36.76	36.18	36.25
6124	NASDAQ	PKOH	Mon, Sep 19, 2016	36.51	37.08	36.30	36.78
6123	NASDAQ	PKOH	Fri, Sep 16, 2016	36.28	36.83	36.06	36.29
6122	NASDAQ	PKOH	Thu, Sep 15, 2016	35.66	36.46	35.65	36.27
6121	NASDAQ	PKOH	Wed, Sep 14, 2016	35.71	36.09	34.82	35.78
6120	NASDAQ	PKOH	Tue, Sep 13, 2016	35.34	36.40	35.11	35.51
6119	NASDAQ	PKOH	Mon, Sep 12, 2016	34.42	35.58	34.42	35.55
6118	NASDAQ	PKOH	Fri, Sep 9, 2016	35.62	35.97	34.41	34.42
6117	NASDAQ	PKOH	Thu, Sep 8, 2016	35.31	36.66	35.17	36.07
6116	NASDAQ	PKOH	Wed, Sep 7, 2016	35.28	36.08	35.28	35.65
6115	NASDAQ	PKOH	Tue, Sep 6, 2016	37.05	37.05	32.36	35.47
6114	NASDAQ	PKOH	Fri, Sep 2, 2016	36.91	37.18	36.57	36.84
6113	NASDAQ	PKOH	Thu, Sep 1, 2016	36.75	36.88	33.20	36.53
6112	NASDAQ	PKOH	Wed, Aug 31, 2016	36.47	36.95	35.68	36.88
6111	NASDAQ	PKOH	Tue, Aug 30, 2016	36.00	38.50	36.00	36.43
6110	NASDAQ	PKOH	Mon, Aug 29, 2016	34.55	35.60	34.55	35.26
6109	NASDAQ	PKOH	Fri, Aug 26, 2016	34.76	35.53	34.62	35.14
6108	NASDAQ	PKOH	Thu, Aug 25, 2016	33.81	34.85	33.80	34.82
6107	NASDAQ	PKOH	Wed, Aug 24, 2016	33.24	33.99	33.24	33.86
6106	NASDAQ	PKOH	Tue, Aug 23, 2016	33.52	33.98	33.26	33.41
6105	NASDAQ	PKOH	Mon, Aug 22, 2016	33.76	33.76	32.76	33.52
6104	NASDAQ	PKOH	Fri, Aug 19, 2016	33.41	34.07	33.41	33.98
6103	NASDAQ	PKOH	Thu, Aug 18, 2016	33.73	34.09	33.33	33.61
6102	NASDAQ	PKOH	Wed, Aug 17, 2016	33.87	34.03	33.62	33.77
6101	NASDAQ	PKOH	Tue, Aug 16, 2016	34.18	34.45	33.75	33.79
6100	NASDAQ	PKOH	Mon, Aug 15, 2016	34.74	34.97	34.24	34.81
6099	NASDAQ	PKOH	Fri, Aug 12, 2016	34.63	35.03	34.15	34.54
6098	NASDAQ	PKOH	Thu, Aug 11, 2016	34.84	35.09	34.40	34.54
6097	NASDAQ	PKOH	Wed, Aug 10, 2016	34.61	35.08	34.18	34.83
6096	NASDAQ	PKOH	Tue, Aug 9, 2016	30.83	34.92	30.54	34.75
6095	NASDAQ	PKOH	Mon, Aug 8, 2016	31.00	31.10	30.40	30.54
6094	NASDAQ	PKOH	Fri, Aug 5, 2016	30.01	31.25	30.01	30.99
6093	NASDAQ	PKOH	Thu, Aug 4, 2016	29.92	30.30	29.73	29.83
6092	NASDAQ	PKOH	Wed, Aug 3, 2016	29.98	30.13	29.61	29.76
6091	NASDAQ	PKOH	Tue, Aug 2, 2016	31.19	31.19	30.04	30.07
6090	NASDAQ	PKOH	Mon, Aug 1, 2016	29.93	31.10	29.45	31.10
6089	NASDAQ	PKOH	Fri, Jul 29, 2016	29.66	30.09	29.63	29.78
6088	NASDAQ	PKOH	Thu, Jul 28, 2016	29.91	30.08	29.73	29.89
6087	NASDAQ	PKOH	Wed, Jul 27, 2016	30.00	30.13	29.60	30.00
6086	NASDAQ	PKOH	Tue, Jul 26, 2016	29.88	30.18	29.72	29.97
6085	NASDAQ	PKOH	Mon, Jul 25, 2016	30.76	30.78	29.89	29.90
6084	NASDAQ	PKOH	Fri, Jul 22, 2016	30.58	31.48	30.57	31.01
6083	NASDAQ	PKOH	Thu, Jul 21, 2016	30.74	31.01	30.54	30.60
6082	NASDAQ	PKOH	Wed, Jul 20, 2016	30.36	31.03	29.59	30.79
6081	NASDAQ	PKOH	Tue, Jul 19, 2016	30.99	31.39	30.20	30.25
6080	NASDAQ	PKOH	Mon, Jul 18, 2016	30.69	31.11	30.56	30.89
6079	NASDAQ	PKOH	Fri, Jul 15, 2016	30.97	30.99	30.50	30.84
6078	NASDAQ	PKOH	Thu, Jul 14, 2016	31.05	31.07	30.53	30.67
6077	NASDAQ	PKOH	Wed, Jul 13, 2016	30.25	30.83	29.77	30.61
6076	NASDAQ	PKOH	Tue, Jul 12, 2016	30.24	30.47	29.88	30.07
6075	NASDAQ	PKOH	Mon, Jul 11, 2016	29.89	30.28	29.85	30.00
6074	NASDAQ	PKOH	Fri, Jul 8, 2016	28.01	29.94	28.00	29.73
6073	NASDAQ	PKOH	Thu, Jul 7, 2016	28.00	28.45	27.50	27.55
6072	NASDAQ	PKOH	Wed, Jul 6, 2016	28.01	28.09	27.37	27.80
6071	NASDAQ	PKOH	Tue, Jul 5, 2016	29.04	29.20	27.99	28.21
6070	NASDAQ	PKOH	Fri, Jul 1, 2016	28.25	29.75	28.25	29.26
6069	NASDAQ	PKOH	Thu, Jun 30, 2016	28.65	28.65	27.92	28.28
6068	NASDAQ	PKOH	Wed, Jun 29, 2016	28.65	29.35	28.34	28.52
6067	NASDAQ	PKOH	Tue, Jun 28, 2016	28.26	29.00	27.94	28.37
6066	NASDAQ	PKOH	Mon, Jun 27, 2016	28.11	28.93	27.22	28.00
6065	NASDAQ	PKOH	Fri, Jun 24, 2016	28.84	29.31	28.40	28.50
6064	NASDAQ	PKOH	Thu, Jun 23, 2016	29.53	30.48	29.53	30.31
6063	NASDAQ	PKOH	Wed, Jun 22, 2016	29.37	29.62	29.01	29.13
6062	NASDAQ	PKOH	Tue, Jun 21, 2016	29.83	29.83	28.49	29.22
6061	NASDAQ	PKOH	Mon, Jun 20, 2016	29.97	30.88	29.81	29.93
6060	NASDAQ	PKOH	Fri, Jun 17, 2016	29.06	30.03	29.03	29.40
6059	NASDAQ	PKOH	Thu, Jun 16, 2016	29.03	29.04	28.22	28.97
6058	NASDAQ	PKOH	Wed, Jun 15, 2016	28.90	30.08	28.72	29.36
6057	NASDAQ	PKOH	Tue, Jun 14, 2016	28.37	28.73	28.28	28.68
6056	NASDAQ	PKOH	Mon, Jun 13, 2016	28.43	28.90	27.66	28.46
6055	NASDAQ	PKOH	Fri, Jun 10, 2016	30.00	30.59	28.23	28.59
6054	NASDAQ	PKOH	Thu, Jun 9, 2016	31.10	31.16	30.37	30.42
6053	NASDAQ	PKOH	Wed, Jun 8, 2016	31.09	31.75	31.01	31.31
6052	NASDAQ	PKOH	Tue, Jun 7, 2016	31.16	31.16	30.71	31.02
6051	NASDAQ	PKOH	Mon, Jun 6, 2016	30.57	31.45	30.57	31.21
6050	NASDAQ	PKOH	Fri, Jun 3, 2016	30.99	31.07	30.42	30.81
6049	NASDAQ	PKOH	Thu, Jun 2, 2016	30.80	31.12	30.54	30.88
6048	NASDAQ	PKOH	Wed, Jun 1, 2016	30.19	31.29	30.19	31.06
6047	NASDAQ	PKOH	Tue, May 31, 2016	30.49	30.92	29.75	30.55
6046	NASDAQ	PKOH	Fri, May 27, 2016	29.64	30.39	29.64	30.25
6045	NASDAQ	PKOH	Thu, May 26, 2016	29.61	30.04	29.18	29.73
6044	NASDAQ	PKOH	Wed, May 25, 2016	29.40	29.78	29.07	29.55
6043	NASDAQ	PKOH	Tue, May 24, 2016	28.61	29.74	28.44	29.21
6042	NASDAQ	PKOH	Mon, May 23, 2016	28.12	29.23	28.12	28.52
6041	NASDAQ	PKOH	Fri, May 20, 2016	26.34	27.97	26.26	27.86
6040	NASDAQ	PKOH	Thu, May 19, 2016	25.12	26.24	24.29	26.12
6039	NASDAQ	PKOH	Wed, May 18, 2016	25.04	25.70	24.68	25.36
6038	NASDAQ	PKOH	Tue, May 17, 2016	25.91	26.44	25.17	25.31
6037	NASDAQ	PKOH	Mon, May 16, 2016	25.09	26.44	25.09	25.97
6036	NASDAQ	PKOH	Fri, May 13, 2016	25.15	25.38	24.78	24.98
6035	NASDAQ	PKOH	Thu, May 12, 2016	25.34	25.59	25.18	25.27
6034	NASDAQ	PKOH	Wed, May 11, 2016	25.51	25.99	25.17	25.26
6033	NASDAQ	PKOH	Tue, May 10, 2016	25.05	25.87	24.72	25.69
6032	NASDAQ	PKOH	Mon, May 9, 2016	24.69	25.10	24.10	24.57
6031	NASDAQ	PKOH	Fri, May 6, 2016	23.93	25.36	23.41	24.99
6030	NASDAQ	PKOH	Thu, May 5, 2016	25.00	25.19	23.21	23.42
6029	NASDAQ	PKOH	Wed, May 4, 2016	25.87	26.48	25.26	25.55
6028	NASDAQ	PKOH	Tue, May 3, 2016	25.62	26.77	25.09	26.48
6027	NASDAQ	PKOH	Mon, May 2, 2016	25.44	26.90	25.44	25.89
6026	NASDAQ	PKOH	Fri, Apr 29, 2016	33.00	33.99	25.23	25.45
6025	NASDAQ	PKOH	Thu, Apr 28, 2016	40.16	40.75	39.89	40.03
6024	NASDAQ	PKOH	Wed, Apr 27, 2016	40.32	40.85	40.22	40.51
6023	NASDAQ	PKOH	Tue, Apr 26, 2016	40.62	41.12	39.81	40.48
6022	NASDAQ	PKOH	Mon, Apr 25, 2016	40.82	41.09	40.29	40.48
6021	NASDAQ	PKOH	Fri, Apr 22, 2016	41.37	41.53	40.93	41.02
6020	NASDAQ	PKOH	Thu, Apr 21, 2016	42.10	42.10	40.98	41.26
6019	NASDAQ	PKOH	Wed, Apr 20, 2016	41.32	42.19	41.10	42.01
6018	NASDAQ	PKOH	Tue, Apr 19, 2016	40.74	41.65	40.74	41.13
6017	NASDAQ	PKOH	Mon, Apr 18, 2016	41.61	41.98	40.58	41.45
6016	NASDAQ	PKOH	Fri, Apr 15, 2016	41.40	42.12	41.40	41.98
6015	NASDAQ	PKOH	Thu, Apr 14, 2016	41.23	42.13	40.84	41.63
6014	NASDAQ	PKOH	Wed, Apr 13, 2016	41.15	41.44	40.02	41.31
6013	NASDAQ	PKOH	Tue, Apr 12, 2016	41.13	41.22	39.00	40.73
6012	NASDAQ	PKOH	Mon, Apr 11, 2016	41.44	42.18	40.80	40.98
6011	NASDAQ	PKOH	Fri, Apr 8, 2016	41.27	41.85	40.90	41.20
6010	NASDAQ	PKOH	Thu, Apr 7, 2016	41.41	41.69	40.50	40.60
6009	NASDAQ	PKOH	Wed, Apr 6, 2016	41.24	41.90	40.90	41.70
6008	NASDAQ	PKOH	Tue, Apr 5, 2016	42.05	42.05	42.05	41.16
6007	NASDAQ	PKOH	Mon, Apr 4, 2016	42.75	42.82	41.31	42.05
6006	NASDAQ	PKOH	Fri, Apr 1, 2016	42.14	42.95	39.15	42.71
6005	NASDAQ	PKOH	Thu, Mar 31, 2016	41.97	42.95	41.85	42.00
6004	NASDAQ	PKOH	Wed, Mar 30, 2016	43.47	43.47	42.00	42.00
6003	NASDAQ	PKOH	Tue, Mar 29, 2016	40.79	42.44	37.70	40.93
6002	NASDAQ	PKOH	Mon, Mar 28, 2016	41.25	41.25	40.19	40.29
6001	NASDAQ	PKOH	Thu, Mar 24, 2016	40.35	40.35	40.35	41.11
6000	NASDAQ	PKOH	Wed, Mar 23, 2016	41.21	41.29	40.32	40.35
5999	NASDAQ	PKOH	Tue, Mar 22, 2016	41.71	41.88	41.27	41.80
5998	NASDAQ	PKOH	Mon, Mar 21, 2016	41.25	42.14	41.14	41.98
5997	NASDAQ	PKOH	Fri, Mar 18, 2016	40.70	41.92	40.32	41.06
5996	NASDAQ	PKOH	Thu, Mar 17, 2016	38.38	40.66	37.74	40.38
5995	NASDAQ	PKOH	Wed, Mar 16, 2016	37.20	38.77	37.20	38.43
5994	NASDAQ	PKOH	Tue, Mar 15, 2016	38.28	38.28	38.28	37.48
5993	NASDAQ	PKOH	Mon, Mar 14, 2016	36.94	40.49	36.55	38.28
5992	NASDAQ	PKOH	Fri, Mar 11, 2016	35.70	35.73	34.46	35.07
5991	NASDAQ	PKOH	Thu, Mar 10, 2016	35.45	35.45	34.85	35.12
5990	NASDAQ	PKOH	Wed, Mar 9, 2016	34.78	34.78	34.78	35.03
5989	NASDAQ	PKOH	Tue, Mar 8, 2016	34.80	35.47	34.58	35.07
5988	NASDAQ	PKOH	Mon, Mar 7, 2016	33.66	35.10	33.65	35.07
5987	NASDAQ	PKOH	Fri, Mar 4, 2016	34.05	34.05	34.05	34.00
5986	NASDAQ	PKOH	Thu, Mar 3, 2016	31.83	31.83	31.83	34.05
5985	NASDAQ	PKOH	Wed, Mar 2, 2016	30.60	31.96	30.52	30.55
5984	NASDAQ	PKOH	Tue, Mar 1, 2016	29.40	29.40	29.40	30.55
5983	NASDAQ	PKOH	Mon, Feb 29, 2016	29.29	29.96	29.23	29.40
5982	NASDAQ	PKOH	Fri, Feb 26, 2016	28.64	29.77	28.63	29.04
5981	NASDAQ	PKOH	Thu, Feb 25, 2016	28.15	28.76	27.85	28.56
5980	NASDAQ	PKOH	Wed, Feb 24, 2016	27.21	28.42	27.08	28.15
5979	NASDAQ	PKOH	Tue, Feb 23, 2016	27.93	28.09	27.58	27.62
5978	NASDAQ	PKOH	Mon, Feb 22, 2016	27.50	28.65	27.47	28.02
5977	NASDAQ	PKOH	Fri, Feb 19, 2016	27.08	27.47	26.76	27.09
5976	NASDAQ	PKOH	Thu, Feb 18, 2016	27.85	27.95	27.02	27.16
5975	NASDAQ	PKOH	Wed, Feb 17, 2016	27.08	30.03	26.63	27.81
5974	NASDAQ	PKOH	Tue, Feb 16, 2016	26.93	27.55	26.46	27.03
5973	NASDAQ	PKOH	Fri, Feb 12, 2016	24.83	26.40	24.52	26.32
5972	NASDAQ	PKOH	Thu, Feb 11, 2016	24.00	24.88	23.55	24.68
5971	NASDAQ	PKOH	Wed, Feb 10, 2016	24.96	25.75	24.00	24.48
5970	NASDAQ	PKOH	Tue, Feb 9, 2016	25.45	26.46	25.05	25.15
5969	NASDAQ	PKOH	Mon, Feb 8, 2016	26.25	26.25	24.59	25.99
5968	NASDAQ	PKOH	Fri, Feb 5, 2016	27.53	27.96	26.78	26.79
5967	NASDAQ	PKOH	Thu, Feb 4, 2016	26.74	28.84	26.74	27.55
5966	NASDAQ	PKOH	Wed, Feb 3, 2016	27.13	28.14	25.56	26.97
5965	NASDAQ	PKOH	Tue, Feb 2, 2016	27.48	27.48	26.39	26.67
5964	NASDAQ	PKOH	Mon, Feb 1, 2016	28.17	28.29	27.40	27.92
5963	NASDAQ	PKOH	Fri, Jan 29, 2016	27.84	28.66	27.16	28.53
5962	NASDAQ	PKOH	Thu, Jan 28, 2016	27.62	27.62	26.37	27.33
5961	NASDAQ	PKOH	Wed, Jan 27, 2016	27.98	28.86	27.35	27.46
5960	NASDAQ	PKOH	Tue, Jan 26, 2016	27.76	28.58	27.25	27.99
5959	NASDAQ	PKOH	Mon, Jan 25, 2016	27.15	30.69	26.30	27.02
5958	NASDAQ	PKOH	Fri, Jan 22, 2016	26.83	27.52	26.42	27.43
5957	NASDAQ	PKOH	Thu, Jan 21, 2016	26.44	27.26	25.91	26.07
5956	NASDAQ	PKOH	Wed, Jan 20, 2016	24.96	27.82	23.63	26.49
5955	NASDAQ	PKOH	Tue, Jan 19, 2016	28.14	32.25	25.23	25.56
5954	NASDAQ	PKOH	Fri, Jan 15, 2016	27.21	27.90	25.67	27.74
5953	NASDAQ	PKOH	Thu, Jan 14, 2016	28.13	28.44	26.80	28.09
5952	NASDAQ	PKOH	Wed, Jan 13, 2016	30.80	31.03	27.63	27.75
5951	NASDAQ	PKOH	Tue, Jan 12, 2016	31.01	31.20	29.90	30.81
5950	NASDAQ	PKOH	Mon, Jan 11, 2016	31.26	31.26	29.62	30.60
5949	NASDAQ	PKOH	Fri, Jan 8, 2016	32.95	33.34	30.91	30.98
5948	NASDAQ	PKOH	Thu, Jan 7, 2016	32.91	33.46	32.18	32.54
5947	NASDAQ	PKOH	Wed, Jan 6, 2016	34.00	34.37	32.99	33.17
5946	NASDAQ	PKOH	Tue, Jan 5, 2016	34.79	34.79	33.96	34.59
5945	NASDAQ	PKOH	Mon, Jan 4, 2016	36.02	36.05	34.27	34.67
5944	NASDAQ	PKOH	Thu, Dec 31, 2015	36.43	37.30	35.75	36.78
5943	NASDAQ	PKOH	Wed, Dec 30, 2015	37.43	37.43	36.45	36.48
5942	NASDAQ	PKOH	Tue, Dec 29, 2015	36.75	37.72	36.55	37.50
5941	NASDAQ	PKOH	Mon, Dec 28, 2015	36.52	37.48	34.50	36.16
5940	NASDAQ	PKOH	Thu, Dec 24, 2015	36.65	37.00	36.35	36.67
5939	NASDAQ	PKOH	Wed, Dec 23, 2015	36.17	37.25	35.93	36.65
5938	NASDAQ	PKOH	Tue, Dec 22, 2015	35.48	35.97	34.76	35.96
5937	NASDAQ	PKOH	Mon, Dec 21, 2015	34.92	35.29	34.08	34.97
5936	NASDAQ	PKOH	Fri, Dec 18, 2015	34.75	35.21	34.03	34.51
5935	NASDAQ	PKOH	Thu, Dec 17, 2015	35.50	35.95	34.46	34.49
5934	NASDAQ	PKOH	Wed, Dec 16, 2015	34.92	35.78	34.91	35.59
5933	NASDAQ	PKOH	Tue, Dec 15, 2015	35.20	35.20	34.07	34.88
5932	NASDAQ	PKOH	Mon, Dec 14, 2015	36.99	36.99	33.62	34.95
5931	NASDAQ	PKOH	Fri, Dec 11, 2015	38.03	38.45	36.28	36.75
5930	NASDAQ	PKOH	Thu, Dec 10, 2015	38.43	39.54	38.43	38.81
5929	NASDAQ	PKOH	Wed, Dec 9, 2015	38.46	39.33	38.20	38.51
5928	NASDAQ	PKOH	Tue, Dec 8, 2015	39.35	39.56	38.36	38.48
5927	NASDAQ	PKOH	Mon, Dec 7, 2015	39.85	39.98	38.80	39.66
5926	NASDAQ	PKOH	Fri, Dec 4, 2015	41.15	41.73	40.15	40.25
5925	NASDAQ	PKOH	Thu, Dec 3, 2015	41.56	41.56	40.50	41.18
5924	NASDAQ	PKOH	Wed, Dec 2, 2015	42.52	43.10	41.13	41.20
5923	NASDAQ	PKOH	Tue, Dec 1, 2015	41.93	43.45	41.46	42.73
5922	NASDAQ	PKOH	Mon, Nov 30, 2015	41.85	42.72	40.85	42.00
5921	NASDAQ	PKOH	Fri, Nov 27, 2015	41.80	42.16	41.67	41.96
5920	NASDAQ	PKOH	Wed, Nov 25, 2015	42.57	43.12	41.79	41.98
5919	NASDAQ	PKOH	Tue, Nov 24, 2015	40.41	42.77	40.20	42.39
5918	NASDAQ	PKOH	Mon, Nov 23, 2015	40.68	44.79	40.09	40.76
5917	NASDAQ	PKOH	Fri, Nov 20, 2015	39.61	41.49	39.33	40.96
5916	NASDAQ	PKOH	Thu, Nov 19, 2015	39.06	39.52	38.37	39.27
5915	NASDAQ	PKOH	Wed, Nov 18, 2015	39.13	40.49	37.66	39.48
5914	NASDAQ	PKOH	Tue, Nov 17, 2015	38.32	40.03	37.72	38.86
5913	NASDAQ	PKOH	Mon, Nov 16, 2015	37.73	38.55	36.80	38.13
5912	NASDAQ	PKOH	Fri, Nov 13, 2015	36.78	38.99	36.66	37.87
5911	NASDAQ	PKOH	Thu, Nov 12, 2015	39.40	40.40	36.79	37.01
5910	NASDAQ	PKOH	Wed, Nov 11, 2015	39.86	42.03	38.41	40.14
5909	NASDAQ	PKOH	Tue, Nov 10, 2015	38.86	40.98	38.57	39.86
5908	NASDAQ	PKOH	Mon, Nov 9, 2015	39.30	39.80	38.03	38.93
5907	NASDAQ	PKOH	Fri, Nov 6, 2015	38.36	39.59	38.22	39.45
5906	NASDAQ	PKOH	Thu, Nov 5, 2015	37.37	38.75	37.37	38.46
5905	NASDAQ	PKOH	Wed, Nov 4, 2015	37.77	38.63	36.24	37.24
5904	NASDAQ	PKOH	Tue, Nov 3, 2015	35.89	39.10	35.55	37.80
5903	NASDAQ	PKOH	Mon, Nov 2, 2015	34.56	36.95	34.25	36.19
5902	NASDAQ	PKOH	Fri, Oct 30, 2015	34.79	34.94	33.92	34.50
5901	NASDAQ	PKOH	Thu, Oct 29, 2015	34.41	35.09	34.41	34.80
5900	NASDAQ	PKOH	Wed, Oct 28, 2015	33.90	35.29	33.88	34.64
5899	NASDAQ	PKOH	Tue, Oct 27, 2015	34.13	34.70	33.02	33.41
5898	NASDAQ	PKOH	Mon, Oct 26, 2015	35.00	35.27	34.03	34.19
5897	NASDAQ	PKOH	Fri, Oct 23, 2015	33.87	35.64	33.84	35.26
5896	NASDAQ	PKOH	Thu, Oct 22, 2015	32.83	34.58	32.51	33.63
5895	NASDAQ	PKOH	Wed, Oct 21, 2015	33.74	35.61	32.34	32.41
5894	NASDAQ	PKOH	Tue, Oct 20, 2015	31.87	33.73	31.71	33.51
5893	NASDAQ	PKOH	Mon, Oct 19, 2015	31.93	32.62	31.43	31.79
5892	NASDAQ	PKOH	Fri, Oct 16, 2015	32.70	32.79	31.51	32.19
5891	NASDAQ	PKOH	Thu, Oct 15, 2015	31.75	32.82	31.43	32.74
5890	NASDAQ	PKOH	Wed, Oct 14, 2015	31.67	32.08	31.40	31.73
5889	NASDAQ	PKOH	Tue, Oct 13, 2015	32.34	32.72	31.47	31.56
5888	NASDAQ	PKOH	Mon, Oct 12, 2015	32.56	32.72	32.32	32.48
5887	NASDAQ	PKOH	Fri, Oct 9, 2015	32.21	32.83	32.20	32.70
5886	NASDAQ	PKOH	Thu, Oct 8, 2015	31.04	32.24	30.93	32.06
5885	NASDAQ	PKOH	Wed, Oct 7, 2015	30.29	31.17	29.70	31.02
5884	NASDAQ	PKOH	Tue, Oct 6, 2015	30.99	31.14	29.79	30.00
5883	NASDAQ	PKOH	Mon, Oct 5, 2015	29.23	32.83	29.23	30.90
5882	NASDAQ	PKOH	Fri, Oct 2, 2015	28.60	29.42	28.11	29.07
5881	NASDAQ	PKOH	Thu, Oct 1, 2015	29.04	29.04	28.53	28.82
5880	NASDAQ	PKOH	Wed, Sep 30, 2015	29.55	29.56	28.26	28.86
5879	NASDAQ	PKOH	Tue, Sep 29, 2015	29.17	29.36	28.38	29.26
5878	NASDAQ	PKOH	Mon, Sep 28, 2015	28.35	29.53	28.16	29.22
5877	NASDAQ	PKOH	Fri, Sep 25, 2015	29.98	29.98	28.11	28.30
5876	NASDAQ	PKOH	Thu, Sep 24, 2015	29.83	29.94	29.29	29.76
5875	NASDAQ	PKOH	Wed, Sep 23, 2015	30.50	30.60	29.63	29.96
5874	NASDAQ	PKOH	Tue, Sep 22, 2015	30.00	30.79	29.79	30.44
5873	NASDAQ	PKOH	Mon, Sep 21, 2015	30.23	32.69	30.23	30.49
5872	NASDAQ	PKOH	Fri, Sep 18, 2015	33.76	34.00	31.15	31.89
5871	NASDAQ	PKOH	Thu, Sep 17, 2015	34.60	35.07	34.19	34.66
5870	NASDAQ	PKOH	Wed, Sep 16, 2015	35.21	35.21	34.49	34.72
5869	NASDAQ	PKOH	Tue, Sep 15, 2015	34.20	35.13	34.20	34.92
5868	NASDAQ	PKOH	Mon, Sep 14, 2015	33.35	34.66	32.94	33.99
5867	NASDAQ	PKOH	Fri, Sep 11, 2015	33.30	34.17	32.84	33.40
5866	NASDAQ	PKOH	Thu, Sep 10, 2015	33.72	34.02	33.16	33.51
5865	NASDAQ	PKOH	Wed, Sep 9, 2015	33.98	34.16	33.51	33.85
5864	NASDAQ	PKOH	Tue, Sep 8, 2015	34.59	34.73	33.87	33.95
5863	NASDAQ	PKOH	Fri, Sep 4, 2015	33.64	34.62	33.35	34.15
5862	NASDAQ	PKOH	Thu, Sep 3, 2015	34.72	35.16	34.02	34.10
5861	NASDAQ	PKOH	Wed, Sep 2, 2015	34.76	35.22	34.11	34.69
5860	NASDAQ	PKOH	Tue, Sep 1, 2015	35.22	35.79	34.34	34.55
5859	NASDAQ	PKOH	Mon, Aug 31, 2015	35.46	36.25	35.19	36.06
5858	NASDAQ	PKOH	Fri, Aug 28, 2015	34.72	36.30	34.65	35.83
5857	NASDAQ	PKOH	Thu, Aug 27, 2015	34.28	35.26	33.81	34.97
5856	NASDAQ	PKOH	Wed, Aug 26, 2015	34.94	34.94	33.50	33.99
5855	NASDAQ	PKOH	Tue, Aug 25, 2015	36.57	36.57	34.00	34.13
5854	NASDAQ	PKOH	Mon, Aug 24, 2015	35.80	37.51	35.47	35.56
5853	NASDAQ	PKOH	Fri, Aug 21, 2015	38.22	38.73	36.80	37.50
5852	NASDAQ	PKOH	Thu, Aug 20, 2015	39.37	41.92	38.68	38.68
5851	NASDAQ	PKOH	Wed, Aug 19, 2015	40.66	40.83	39.45	39.78
5850	NASDAQ	PKOH	Tue, Aug 18, 2015	42.81	42.98	40.38	40.70
5849	NASDAQ	PKOH	Mon, Aug 17, 2015	42.94	42.94	41.53	42.31
5848	NASDAQ	PKOH	Fri, Aug 14, 2015	41.97	43.19	41.45	42.36
5847	NASDAQ	PKOH	Thu, Aug 13, 2015	41.59	42.43	41.22	41.67
5846	NASDAQ	PKOH	Wed, Aug 12, 2015	41.80	42.28	41.38	41.76
5845	NASDAQ	PKOH	Tue, Aug 11, 2015	42.25	46.60	41.17	42.40
5844	NASDAQ	PKOH	Mon, Aug 10, 2015	41.89	45.00	41.00	42.42
5843	NASDAQ	PKOH	Fri, Aug 7, 2015	42.95	46.78	40.71	42.55
5842	NASDAQ	PKOH	Thu, Aug 6, 2015	42.65	43.33	42.30	43.13
5841	NASDAQ	PKOH	Wed, Aug 5, 2015	43.03	43.90	42.21	42.67
5840	NASDAQ	PKOH	Tue, Aug 4, 2015	43.36	43.74	41.86	43.04
5839	NASDAQ	PKOH	Mon, Aug 3, 2015	45.21	46.16	42.86	43.44
5838	NASDAQ	PKOH	Fri, Jul 31, 2015	45.00	48.89	44.52	44.91
5837	NASDAQ	PKOH	Thu, Jul 30, 2015	44.28	45.09	43.54	44.93
5836	NASDAQ	PKOH	Wed, Jul 29, 2015	44.08	45.29	44.08	44.40
5835	NASDAQ	PKOH	Tue, Jul 28, 2015	44.02	44.76	43.02	44.40
5834	NASDAQ	PKOH	Mon, Jul 27, 2015	44.18	44.70	43.11	43.98
5833	NASDAQ	PKOH	Fri, Jul 24, 2015	45.58	45.58	43.82	44.45
5832	NASDAQ	PKOH	Thu, Jul 23, 2015	48.00	48.00	45.27	45.57
5831	NASDAQ	PKOH	Wed, Jul 22, 2015	48.00	48.53	47.41	47.89
5830	NASDAQ	PKOH	Tue, Jul 21, 2015	50.17	51.17	48.21	48.27
5829	NASDAQ	PKOH	Mon, Jul 20, 2015	50.49	51.50	49.68	50.43
5828	NASDAQ	PKOH	Fri, Jul 17, 2015	50.69	50.97	49.16	50.14
5827	NASDAQ	PKOH	Thu, Jul 16, 2015	49.82	50.81	49.82	50.58
5826	NASDAQ	PKOH	Wed, Jul 15, 2015	51.06	51.08	49.19	49.51
5825	NASDAQ	PKOH	Tue, Jul 14, 2015	50.23	51.40	50.21	50.97
5824	NASDAQ	PKOH	Mon, Jul 13, 2015	50.54	51.16	50.05	50.88
5823	NASDAQ	PKOH	Fri, Jul 10, 2015	48.71	50.18	48.71	49.93
5822	NASDAQ	PKOH	Thu, Jul 9, 2015	49.92	50.57	48.11	48.36
5821	NASDAQ	PKOH	Wed, Jul 8, 2015	48.28	49.82	48.28	49.46
5820	NASDAQ	PKOH	Tue, Jul 7, 2015	48.61	48.97	47.63	48.78
5819	NASDAQ	PKOH	Mon, Jul 6, 2015	48.06	49.13	48.06	48.40
5818	NASDAQ	PKOH	Thu, Jul 2, 2015	48.77	49.29	48.10	48.55
5817	NASDAQ	PKOH	Wed, Jul 1, 2015	49.21	49.21	47.70	48.82
5816	NASDAQ	PKOH	Tue, Jun 30, 2015	49.42	49.28	48.11	48.46
5815	NASDAQ	PKOH	Mon, Jun 29, 2015	50.45	51.21	48.49	48.72
5814	NASDAQ	PKOH	Fri, Jun 26, 2015	51.72	52.27	51.18	51.39
5813	NASDAQ	PKOH	Thu, Jun 25, 2015	52.42	52.42	50.01	51.85
5812	NASDAQ	PKOH	Wed, Jun 24, 2015	53.34	53.78	51.78	52.32
5811	NASDAQ	PKOH	Tue, Jun 23, 2015	54.35	54.49	52.90	53.84
5810	NASDAQ	PKOH	Mon, Jun 22, 2015	54.17	55.31	53.26	54.35
5809	NASDAQ	PKOH	Fri, Jun 19, 2015	52.60	54.24	51.91	53.69
5808	NASDAQ	PKOH	Thu, Jun 18, 2015	49.81	52.51	48.83	52.45
5807	NASDAQ	PKOH	Wed, Jun 17, 2015	50.91	50.91	49.29	49.70
5806	NASDAQ	PKOH	Tue, Jun 16, 2015	50.23	51.08	50.12	50.51
5805	NASDAQ	PKOH	Mon, Jun 15, 2015	50.78	51.56	50.14	50.81
5804	NASDAQ	PKOH	Fri, Jun 12, 2015	50.76	51.86	50.38	51.16
5803	NASDAQ	PKOH	Thu, Jun 11, 2015	50.66	51.62	50.30	51.08
5802	NASDAQ	PKOH	Wed, Jun 10, 2015	49.07	51.22	49.23	50.64
5801	NASDAQ	PKOH	Tue, Jun 9, 2015	49.18	50.66	48.34	48.93
5800	NASDAQ	PKOH	Mon, Jun 8, 2015	48.87	50.00	47.87	49.37
5799	NASDAQ	PKOH	Fri, Jun 5, 2015	49.09	50.00	48.08	49.10
5798	NASDAQ	PKOH	Thu, Jun 4, 2015	49.34	50.13	48.51	48.83
5797	NASDAQ	PKOH	Wed, Jun 3, 2015	48.74	50.14	48.23	49.79
5796	NASDAQ	PKOH	Tue, Jun 2, 2015	47.82	49.50	47.82	48.33
5795	NASDAQ	PKOH	Mon, Jun 1, 2015	48.51	48.66	47.35	47.89
5794	NASDAQ	PKOH	Fri, May 29, 2015	48.32	48.71	47.15	48.01
5793	NASDAQ	PKOH	Thu, May 28, 2015	48.93	48.70	48.05	48.14
5792	NASDAQ	PKOH	Wed, May 27, 2015	47.30	49.16	47.11	48.94
5791	NASDAQ	PKOH	Tue, May 26, 2015	46.57	47.51	46.37	46.92
5790	NASDAQ	PKOH	Fri, May 22, 2015	48.50	48.82	46.78	46.80
5789	NASDAQ	PKOH	Thu, May 21, 2015	47.71	48.50	47.50	48.18
5788	NASDAQ	PKOH	Wed, May 20, 2015	47.91	48.91	47.35	47.36
5787	NASDAQ	PKOH	Tue, May 19, 2015	47.54	48.12	46.77	48.02
5786	NASDAQ	PKOH	Mon, May 18, 2015	46.47	48.68	46.19	47.88
5785	NASDAQ	PKOH	Fri, May 15, 2015	46.90	47.29	46.24	46.69
5784	NASDAQ	PKOH	Thu, May 14, 2015	45.84	46.97	45.36	46.88
5783	NASDAQ	PKOH	Wed, May 13, 2015	46.13	46.69	45.39	45.81
5782	NASDAQ	PKOH	Tue, May 12, 2015	46.46	46.66	44.12	46.18
5781	NASDAQ	PKOH	Mon, May 11, 2015	46.31	47.16	45.86	46.50
5780	NASDAQ	PKOH	Fri, May 8, 2015	48.50	48.54	46.03	46.28
5779	NASDAQ	PKOH	Thu, May 7, 2015	45.89	51.00	45.05	47.89
5778	NASDAQ	PKOH	Wed, May 6, 2015	45.04	46.09	44.95	45.30
5777	NASDAQ	PKOH	Tue, May 5, 2015	45.95	46.35	44.60	44.97
5776	NASDAQ	PKOH	Mon, May 4, 2015	46.70	47.50	46.08	46.24
5775	NASDAQ	PKOH	Fri, May 1, 2015	46.43	47.32	45.44	46.54
5774	NASDAQ	PKOH	Thu, Apr 30, 2015	47.73	48.39	46.03	46.33
5773	NASDAQ	PKOH	Wed, Apr 29, 2015	49.08	49.26	47.77	48.09
5772	NASDAQ	PKOH	Tue, Apr 28, 2015	50.03	50.75	49.08	49.35
5771	NASDAQ	PKOH	Mon, Apr 27, 2015	49.97	50.65	49.49	50.18
5770	NASDAQ	PKOH	Fri, Apr 24, 2015	50.48	50.55	49.63	49.98
5769	NASDAQ	PKOH	Thu, Apr 23, 2015	50.18	50.51	49.81	50.39
5768	NASDAQ	PKOH	Wed, Apr 22, 2015	49.78	50.94	49.76	50.28
5767	NASDAQ	PKOH	Tue, Apr 21, 2015	50.20	50.25	49.75	49.81
5766	NASDAQ	PKOH	Mon, Apr 20, 2015	48.99	50.49	48.64	50.19
5765	NASDAQ	PKOH	Fri, Apr 17, 2015	49.12	49.15	48.30	48.84
5764	NASDAQ	PKOH	Thu, Apr 16, 2015	49.63	49.97	48.56	49.56
5763	NASDAQ	PKOH	Wed, Apr 15, 2015	51.12	51.63	49.00	49.63
5762	NASDAQ	PKOH	Tue, Apr 14, 2015	49.41	51.34	49.30	51.12
5761	NASDAQ	PKOH	Mon, Apr 13, 2015	51.21	51.48	48.89	49.04
5760	NASDAQ	PKOH	Fri, Apr 10, 2015	50.91	51.87	50.71	50.98
5759	NASDAQ	PKOH	Thu, Apr 9, 2015	52.42	52.97	49.30	50.94
5758	NASDAQ	PKOH	Wed, Apr 8, 2015	53.00	53.00	51.61	52.09
5757	NASDAQ	PKOH	Tue, Apr 7, 2015	51.61	53.25	51.21	52.75
5756	NASDAQ	PKOH	Mon, Apr 6, 2015	52.11	52.50	51.24	51.84
5755	NASDAQ	PKOH	Thu, Apr 2, 2015	53.60	54.66	52.12	52.38
5754	NASDAQ	PKOH	Wed, Apr 1, 2015	52.28	53.36	51.93	53.14
5753	NASDAQ	PKOH	Tue, Mar 31, 2015	51.98	52.86	50.39	52.67
5752	NASDAQ	PKOH	Mon, Mar 30, 2015	52.33	52.82	51.30	51.98
5751	NASDAQ	PKOH	Fri, Mar 27, 2015	52.71	53.21	52.00	52.33
5750	NASDAQ	PKOH	Thu, Mar 26, 2015	52.14	53.02	52.02	52.71
5749	NASDAQ	PKOH	Wed, Mar 25, 2015	52.57	53.85	52.01	52.16
5748	NASDAQ	PKOH	Tue, Mar 24, 2015	51.99	52.96	51.63	52.22
5747	NASDAQ	PKOH	Mon, Mar 23, 2015	52.32	53.27	51.63	52.08
5746	NASDAQ	PKOH	Fri, Mar 20, 2015	49.91	52.78	49.75	52.24
5745	NASDAQ	PKOH	Thu, Mar 19, 2015	50.62	50.70	49.25	49.78
5744	NASDAQ	PKOH	Wed, Mar 18, 2015	50.13	50.90	49.03	50.50
5743	NASDAQ	PKOH	Tue, Mar 17, 2015	48.83	51.86	48.80	50.43
5742	NASDAQ	PKOH	Mon, Mar 16, 2015	49.99	50.04	46.86	49.00
5741	NASDAQ	PKOH	Fri, Mar 13, 2015	57.53	57.53	55.27	56.14
5740	NASDAQ	PKOH	Thu, Mar 12, 2015	56.40	57.99	55.99	57.92
5739	NASDAQ	PKOH	Wed, Mar 11, 2015	55.30	56.75	55.51	55.82
5738	NASDAQ	PKOH	Tue, Mar 10, 2015	57.38	57.87	54.96	55.05
5737	NASDAQ	PKOH	Mon, Mar 9, 2015	57.02	58.39	57.22	58.35
5736	NASDAQ	PKOH	Fri, Mar 6, 2015	55.24	58.40	55.24	56.82
5735	NASDAQ	PKOH	Thu, Mar 5, 2015	55.23	56.09	54.45	55.90
5734	NASDAQ	PKOH	Wed, Mar 4, 2015	56.03	56.03	55.20	55.53
5733	NASDAQ	PKOH	Tue, Mar 3, 2015	56.86	56.86	55.36	56.11
5732	NASDAQ	PKOH	Mon, Mar 2, 2015	57.42	58.14	56.94	57.26
5731	NASDAQ	PKOH	Fri, Feb 27, 2015	57.39	57.76	56.31	57.75
5730	NASDAQ	PKOH	Thu, Feb 26, 2015	57.77	57.92	56.61	57.39
5729	NASDAQ	PKOH	Wed, Feb 25, 2015	57.77	59.16	57.00	57.69
5728	NASDAQ	PKOH	Tue, Feb 24, 2015	55.65	57.83	56.29	57.81
5727	NASDAQ	PKOH	Mon, Feb 23, 2015	55.81	56.10	54.89	55.76
5726	NASDAQ	PKOH	Fri, Feb 20, 2015	56.48	56.48	54.89	56.16
5725	NASDAQ	PKOH	Thu, Feb 19, 2015	56.11	57.15	56.01	56.25
5724	NASDAQ	PKOH	Wed, Feb 18, 2015	55.50	56.46	55.49	56.21
5723	NASDAQ	PKOH	Tue, Feb 17, 2015	57.00	57.47	55.41	55.72
5722	NASDAQ	PKOH	Fri, Feb 13, 2015	56.34	58.66	55.25	56.77
5721	NASDAQ	PKOH	Thu, Feb 12, 2015	55.39	56.83	53.44	56.43
5720	NASDAQ	PKOH	Wed, Feb 11, 2015	54.32	55.92	52.61	54.68
5719	NASDAQ	PKOH	Tue, Feb 10, 2015	56.27	56.41	54.20	54.30
5718	NASDAQ	PKOH	Mon, Feb 9, 2015	57.44	57.74	55.31	55.56
5717	NASDAQ	PKOH	Fri, Feb 6, 2015	58.00	59.49	56.68	57.53
5716	NASDAQ	PKOH	Thu, Feb 5, 2015	56.65	57.86	56.30	57.86
5715	NASDAQ	PKOH	Wed, Feb 4, 2015	56.17	58.01	55.84	56.23
5714	NASDAQ	PKOH	Tue, Feb 3, 2015	52.19	57.39	52.19	56.84
5713	NASDAQ	PKOH	Mon, Feb 2, 2015	53.91	54.07	50.01	52.21
5712	NASDAQ	PKOH	Fri, Jan 30, 2015	54.13	55.19	53.18	53.43
5711	NASDAQ	PKOH	Thu, Jan 29, 2015	53.29	54.50	52.30	54.50
5710	NASDAQ	PKOH	Wed, Jan 28, 2015	55.92	55.92	53.31	53.36
5709	NASDAQ	PKOH	Tue, Jan 27, 2015	56.89	56.89	54.10	55.46
5708	NASDAQ	PKOH	Mon, Jan 26, 2015	55.67	56.62	54.16	56.39
5707	NASDAQ	PKOH	Fri, Jan 23, 2015	57.12	57.12	54.62	55.79
5706	NASDAQ	PKOH	Thu, Jan 22, 2015	55.56	57.44	54.32	56.95
5705	NASDAQ	PKOH	Wed, Jan 21, 2015	55.26	56.00	54.67	54.96
5704	NASDAQ	PKOH	Tue, Jan 20, 2015	54.88	55.92	54.00	55.50
5703	NASDAQ	PKOH	Fri, Jan 16, 2015	54.30	55.13	53.87	55.05
5702	NASDAQ	PKOH	Thu, Jan 15, 2015	56.50	56.00	54.26	54.50
5701	NASDAQ	PKOH	Wed, Jan 14, 2015	57.25	57.33	56.24	56.46
5700	NASDAQ	PKOH	Tue, Jan 13, 2015	57.70	59.20	56.37	57.90
5699	NASDAQ	PKOH	Mon, Jan 12, 2015	59.06	59.17	57.08	57.68
5698	NASDAQ	PKOH	Fri, Jan 9, 2015	60.18	61.03	58.65	58.92
5697	NASDAQ	PKOH	Thu, Jan 8, 2015	58.75	60.21	58.62	60.04
5696	NASDAQ	PKOH	Wed, Jan 7, 2015	60.50	60.50	57.40	58.74
5695	NASDAQ	PKOH	Tue, Jan 6, 2015	59.75	60.71	59.49	60.01
5694	NASDAQ	PKOH	Mon, Jan 5, 2015	60.68	61.86	59.52	59.76
5693	NASDAQ	PKOH	Fri, Jan 2, 2015	62.98	62.98	60.37	61.33
5692	NASDAQ	PKOH	Wed, Dec 31, 2014	64.17	64.93	62.66	63.03
5691	NASDAQ	PKOH	Tue, Dec 30, 2014	64.45	65.24	64.08	64.33
5690	NASDAQ	PKOH	Mon, Dec 29, 2014	62.48	65.08	62.48	64.74
5689	NASDAQ	PKOH	Fri, Dec 26, 2014	62.45	63.92	61.69	62.46
5688	NASDAQ	PKOH	Wed, Dec 24, 2014	62.68	62.68	62.03	62.28
5687	NASDAQ	PKOH	Tue, Dec 23, 2014	61.91	63.59	60.84	62.79
5686	NASDAQ	PKOH	Mon, Dec 22, 2014	60.95	61.78	59.97	61.76
5685	NASDAQ	PKOH	Fri, Dec 19, 2014	60.84	61.29	60.44	60.67
5684	NASDAQ	PKOH	Thu, Dec 18, 2014	61.21	61.70	60.17	60.99
5683	NASDAQ	PKOH	Wed, Dec 17, 2014	58.97	61.12	58.81	60.51
5682	NASDAQ	PKOH	Tue, Dec 16, 2014	59.08	61.15	58.67	59.33
5681	NASDAQ	PKOH	Mon, Dec 15, 2014	60.14	61.09	58.65	59.40
5680	NASDAQ	PKOH	Fri, Dec 12, 2014	59.62	60.66	59.36	59.63
5679	NASDAQ	PKOH	Thu, Dec 11, 2014	60.88	61.58	60.12	60.29
5678	NASDAQ	PKOH	Wed, Dec 10, 2014	60.40	62.18	60.16	60.37
5677	NASDAQ	PKOH	Tue, Dec 9, 2014	58.76	61.39	57.26	60.64
5676	NASDAQ	PKOH	Mon, Dec 8, 2014	60.00	60.88	59.55	59.56
5675	NASDAQ	PKOH	Fri, Dec 5, 2014	60.12	61.01	59.81	60.00
5674	NASDAQ	PKOH	Thu, Dec 4, 2014	59.54	60.96	59.54	60.28
5673	NASDAQ	PKOH	Wed, Dec 3, 2014	58.51	60.18	57.07	59.96
5672	NASDAQ	PKOH	Tue, Dec 2, 2014	55.53	58.79	55.31	58.65
5671	NASDAQ	PKOH	Mon, Dec 1, 2014	56.14	56.14	54.82	55.26
5670	NASDAQ	PKOH	Fri, Nov 28, 2014	57.12	57.59	55.71	56.17
5669	NASDAQ	PKOH	Wed, Nov 26, 2014	57.70	58.25	56.50	57.29
5668	NASDAQ	PKOH	Tue, Nov 25, 2014	57.86	58.00	57.14	57.98
5667	NASDAQ	PKOH	Mon, Nov 24, 2014	57.22	57.72	56.05	57.62
5666	NASDAQ	PKOH	Fri, Nov 21, 2014	57.98	57.98	56.26	56.74
5665	NASDAQ	PKOH	Thu, Nov 20, 2014	56.96	57.31	56.35	57.03
5664	NASDAQ	PKOH	Wed, Nov 19, 2014	57.25	57.68	55.12	56.95
5663	NASDAQ	PKOH	Tue, Nov 18, 2014	56.85	58.27	57.00	57.31
5662	NASDAQ	PKOH	Mon, Nov 17, 2014	57.65	57.65	56.35	56.73
5661	NASDAQ	PKOH	Fri, Nov 14, 2014	57.89	58.23	56.67	57.55
5660	NASDAQ	PKOH	Thu, Nov 13, 2014	57.75	58.79	57.75	58.28
5659	NASDAQ	PKOH	Wed, Nov 12, 2014	57.93	58.99	57.56	58.17
5658	NASDAQ	PKOH	Tue, Nov 11, 2014	58.74	58.89	52.31	58.44
5657	NASDAQ	PKOH	Mon, Nov 10, 2014	59.00	59.22	57.05	58.60
5656	NASDAQ	PKOH	Fri, Nov 7, 2014	59.08	59.99	58.38	58.68
5655	NASDAQ	PKOH	Thu, Nov 6, 2014	55.43	58.94	53.73	58.75
5654	NASDAQ	PKOH	Wed, Nov 5, 2014	52.51	57.03	51.11	55.12
5653	NASDAQ	PKOH	Tue, Nov 4, 2014	53.52	55.23	53.10	54.99
5652	NASDAQ	PKOH	Mon, Nov 3, 2014	53.11	54.44	52.58	53.81
5651	NASDAQ	PKOH	Fri, Oct 31, 2014	53.50	53.79	52.95	53.11
5650	NASDAQ	PKOH	Thu, Oct 30, 2014	52.02	52.91	51.56	52.32
5649	NASDAQ	PKOH	Wed, Oct 29, 2014	53.78	53.78	51.61	52.04
5648	NASDAQ	PKOH	Tue, Oct 28, 2014	50.38	54.25	50.38	53.86
5647	NASDAQ	PKOH	Mon, Oct 27, 2014	49.52	50.10	48.42	50.08
5646	NASDAQ	PKOH	Fri, Oct 24, 2014	49.73	50.05	49.14	49.91
5645	NASDAQ	PKOH	Thu, Oct 23, 2014	49.19	50.03	48.44	49.51
5644	NASDAQ	PKOH	Wed, Oct 22, 2014	49.19	49.19	47.26	48.64
5643	NASDAQ	PKOH	Tue, Oct 21, 2014	48.15	49.15	48.15	48.94
5642	NASDAQ	PKOH	Mon, Oct 20, 2014	47.88	48.82	47.09	47.96
5641	NASDAQ	PKOH	Fri, Oct 17, 2014	47.81	49.00	46.92	48.00
5640	NASDAQ	PKOH	Thu, Oct 16, 2014	45.99	47.39	45.99	47.24
5639	NASDAQ	PKOH	Wed, Oct 15, 2014	45.93	47.04	45.01	46.74
5638	NASDAQ	PKOH	Tue, Oct 14, 2014	45.71	46.88	45.71	46.63
5637	NASDAQ	PKOH	Mon, Oct 13, 2014	45.21	46.55	45.09	45.28
5636	NASDAQ	PKOH	Fri, Oct 10, 2014	45.25	46.30	44.95	45.01
5635	NASDAQ	PKOH	Thu, Oct 9, 2014	46.72	46.68	45.04	45.36
5634	NASDAQ	PKOH	Wed, Oct 8, 2014	45.56	47.09	44.77	46.82
5633	NASDAQ	PKOH	Tue, Oct 7, 2014	47.07	47.07	45.59	45.72
5632	NASDAQ	PKOH	Mon, Oct 6, 2014	47.74	47.99	46.98	47.55
5631	NASDAQ	PKOH	Fri, Oct 3, 2014	48.33	48.41	47.57	47.72
5630	NASDAQ	PKOH	Thu, Oct 2, 2014	47.00	48.19	47.00	47.84
5629	NASDAQ	PKOH	Wed, Oct 1, 2014	47.96	47.90	45.93	47.00
5628	NASDAQ	PKOH	Tue, Sep 30, 2014	49.52	50.38	47.82	47.86
5627	NASDAQ	PKOH	Mon, Sep 29, 2014	49.42	50.00	47.21	49.69
5626	NASDAQ	PKOH	Fri, Sep 26, 2014	48.00	50.09	47.90	49.87
5625	NASDAQ	PKOH	Thu, Sep 25, 2014	48.75	49.79	47.67	47.92
5624	NASDAQ	PKOH	Wed, Sep 24, 2014	49.83	49.75	48.50	48.88
5623	NASDAQ	PKOH	Tue, Sep 23, 2014	50.27	50.95	49.26	49.58
5622	NASDAQ	PKOH	Mon, Sep 22, 2014	52.50	52.50	50.60	50.74
5621	NASDAQ	PKOH	Fri, Sep 19, 2014	53.75	53.75	52.70	52.82
5620	NASDAQ	PKOH	Thu, Sep 18, 2014	53.38	56.14	52.80	53.75
5619	NASDAQ	PKOH	Wed, Sep 17, 2014	54.25	54.73	52.92	53.33
5618	NASDAQ	PKOH	Tue, Sep 16, 2014	54.08	54.68	54.00	54.28
5617	NASDAQ	PKOH	Mon, Sep 15, 2014	56.24	56.25	54.31	54.33
5616	NASDAQ	PKOH	Fri, Sep 12, 2014	56.36	56.73	55.94	56.13
5615	NASDAQ	PKOH	Thu, Sep 11, 2014	56.01	56.81	55.69	56.38
5614	NASDAQ	PKOH	Wed, Sep 10, 2014	56.28	56.89	56.03	56.17
5613	NASDAQ	PKOH	Tue, Sep 9, 2014	57.69	57.52	55.50	56.39
5612	NASDAQ	PKOH	Mon, Sep 8, 2014	57.49	57.87	57.27	57.63
5611	NASDAQ	PKOH	Fri, Sep 5, 2014	57.70	58.29	57.23	57.71
5610	NASDAQ	PKOH	Thu, Sep 4, 2014	57.67	58.61	57.62	57.98
5609	NASDAQ	PKOH	Wed, Sep 3, 2014	59.45	59.45	57.50	57.70
5608	NASDAQ	PKOH	Tue, Sep 2, 2014	58.25	59.25	58.25	59.00
5607	NASDAQ	PKOH	Fri, Aug 29, 2014	58.00	58.17	57.45	58.04
5606	NASDAQ	PKOH	Thu, Aug 28, 2014	58.06	58.19	57.60	57.82
5605	NASDAQ	PKOH	Wed, Aug 27, 2014	57.91	58.56	57.62	58.20
5604	NASDAQ	PKOH	Tue, Aug 26, 2014	58.49	58.58	57.67	57.88
5603	NASDAQ	PKOH	Mon, Aug 25, 2014	58.26	58.72	57.43	58.23
5602	NASDAQ	PKOH	Fri, Aug 22, 2014	57.68	58.61	57.53	58.26
5601	NASDAQ	PKOH	Thu, Aug 21, 2014	58.04	58.04	57.50	57.99
5600	NASDAQ	PKOH	Wed, Aug 20, 2014	58.08	58.23	57.44	57.85
5599	NASDAQ	PKOH	Tue, Aug 19, 2014	58.03	58.67	57.88	58.28
5598	NASDAQ	PKOH	Mon, Aug 18, 2014	58.23	58.55	57.43	58.13
5597	NASDAQ	PKOH	Fri, Aug 15, 2014	58.12	58.15	57.16	57.81
5596	NASDAQ	PKOH	Thu, Aug 14, 2014	57.85	58.18	57.53	57.96
5595	NASDAQ	PKOH	Wed, Aug 13, 2014	57.34	57.89	57.15	57.86
5594	NASDAQ	PKOH	Tue, Aug 12, 2014	57.89	57.89	55.38	57.51
5593	NASDAQ	PKOH	Mon, Aug 11, 2014	59.50	60.37	59.28	59.95
5592	NASDAQ	PKOH	Fri, Aug 8, 2014	58.65	59.55	58.41	59.45
5591	NASDAQ	PKOH	Thu, Aug 7, 2014	58.68	59.33	58.30	58.77
5590	NASDAQ	PKOH	Wed, Aug 6, 2014	58.12	59.25	58.12	58.75
5589	NASDAQ	PKOH	Tue, Aug 5, 2014	58.35	59.10	58.08	58.74
5588	NASDAQ	PKOH	Mon, Aug 4, 2014	58.99	59.64	57.09	58.98
5587	NASDAQ	PKOH	Fri, Aug 1, 2014	59.32	60.15	58.79	59.11
5586	NASDAQ	PKOH	Thu, Jul 31, 2014	59.64	60.18	59.31	59.36
5585	NASDAQ	PKOH	Wed, Jul 30, 2014	60.80	60.80	59.93	60.08
5584	NASDAQ	PKOH	Tue, Jul 29, 2014	60.63	60.71	59.97	60.09
5583	NASDAQ	PKOH	Mon, Jul 28, 2014	60.50	60.73	59.87	60.16
5582	NASDAQ	PKOH	Fri, Jul 25, 2014	60.10	61.10	60.01	60.39
5581	NASDAQ	PKOH	Thu, Jul 24, 2014	60.36	61.65	59.94	60.62
5580	NASDAQ	PKOH	Wed, Jul 23, 2014	60.94	61.85	59.00	60.83
5579	NASDAQ	PKOH	Tue, Jul 22, 2014	60.82	61.41	59.52	60.98
5578	NASDAQ	PKOH	Mon, Jul 21, 2014	60.37	60.51	59.99	60.32
5577	NASDAQ	PKOH	Fri, Jul 18, 2014	59.05	61.07	59.05	60.62
5576	NASDAQ	PKOH	Thu, Jul 17, 2014	59.15	59.98	58.99	59.28
5575	NASDAQ	PKOH	Wed, Jul 16, 2014	59.83	59.98	59.26	59.42
5574	NASDAQ	PKOH	Tue, Jul 15, 2014	59.52	59.84	58.86	59.26
5573	NASDAQ	PKOH	Mon, Jul 14, 2014	59.72	60.32	59.55	60.01
5572	NASDAQ	PKOH	Fri, Jul 11, 2014	59.03	59.39	58.81	58.99
5571	NASDAQ	PKOH	Thu, Jul 10, 2014	58.83	59.53	58.62	59.02
5570	NASDAQ	PKOH	Wed, Jul 9, 2014	59.96	59.96	58.98	59.43
5569	NASDAQ	PKOH	Tue, Jul 8, 2014	59.41	59.85	58.51	59.52
5568	NASDAQ	PKOH	Mon, Jul 7, 2014	59.46	63.29	58.99	59.51
5567	NASDAQ	PKOH	Thu, Jul 3, 2014	59.28	60.12	58.75	59.87
5566	NASDAQ	PKOH	Wed, Jul 2, 2014	59.29	60.16	58.60	58.88
5565	NASDAQ	PKOH	Tue, Jul 1, 2014	58.65	60.44	58.41	59.50
5564	NASDAQ	PKOH	Mon, Jun 30, 2014	58.44	58.61	57.32	58.11
5563	NASDAQ	PKOH	Fri, Jun 27, 2014	56.95	59.00	56.95	58.81
5562	NASDAQ	PKOH	Thu, Jun 26, 2014	58.20	58.20	56.81	57.47
5561	NASDAQ	PKOH	Wed, Jun 25, 2014	57.51	58.31	57.25	57.97
5560	NASDAQ	PKOH	Tue, Jun 24, 2014	57.61	58.89	57.34	57.98
5559	NASDAQ	PKOH	Mon, Jun 23, 2014	58.18	58.65	57.02	58.04
5558	NASDAQ	PKOH	Fri, Jun 20, 2014	58.48	58.48	57.50	57.95
5557	NASDAQ	PKOH	Thu, Jun 19, 2014	58.27	58.46	57.60	58.03
5556	NASDAQ	PKOH	Wed, Jun 18, 2014	57.15	58.54	56.57	58.21
5555	NASDAQ	PKOH	Tue, Jun 17, 2014	56.69	57.60	56.53	57.28
5554	NASDAQ	PKOH	Mon, Jun 16, 2014	57.24	57.60	56.10	57.02
5553	NASDAQ	PKOH	Fri, Jun 13, 2014	57.48	57.82	57.00	57.17
5552	NASDAQ	PKOH	Thu, Jun 12, 2014	57.88	58.24	57.00	57.52
5551	NASDAQ	PKOH	Wed, Jun 11, 2014	58.05	58.48	57.40	57.85
5550	NASDAQ	PKOH	Tue, Jun 10, 2014	58.20	58.70	57.75	58.33
5549	NASDAQ	PKOH	Mon, Jun 9, 2014	57.75	58.70	57.73	58.14
5548	NASDAQ	PKOH	Fri, Jun 6, 2014	56.46	57.89	56.36	57.86
5547	NASDAQ	PKOH	Thu, Jun 5, 2014	53.51	56.81	53.51	55.98
5546	NASDAQ	PKOH	Wed, Jun 4, 2014	52.99	53.76	51.99	53.11
5545	NASDAQ	PKOH	Tue, Jun 3, 2014	52.10	53.56	51.51	53.08
5544	NASDAQ	PKOH	Mon, Jun 2, 2014	52.73	53.68	50.98	52.29
5543	NASDAQ	PKOH	Fri, May 30, 2014	53.40	53.93	52.05	52.68
5542	NASDAQ	PKOH	Thu, May 29, 2014	53.62	53.62	52.81	53.31
5541	NASDAQ	PKOH	Wed, May 28, 2014	52.27	53.48	51.41	53.26
5540	NASDAQ	PKOH	Tue, May 27, 2014	52.11	52.49	51.77	52.16
5539	NASDAQ	PKOH	Fri, May 23, 2014	51.17	52.59	51.17	51.52
5538	NASDAQ	PKOH	Thu, May 22, 2014	50.97	51.16	50.62	51.05
5537	NASDAQ	PKOH	Wed, May 21, 2014	51.04	52.95	50.43	51.07
5536	NASDAQ	PKOH	Tue, May 20, 2014	51.73	51.73	50.14	51.09
5535	NASDAQ	PKOH	Mon, May 19, 2014	51.80	53.21	51.57	51.89
5534	NASDAQ	PKOH	Fri, May 16, 2014	51.08	52.31	50.59	52.18
5533	NASDAQ	PKOH	Thu, May 15, 2014	52.09	52.09	50.04	51.21
5532	NASDAQ	PKOH	Wed, May 14, 2014	53.80	53.89	51.84	52.19
5531	NASDAQ	PKOH	Tue, May 13, 2014	55.35	55.35	53.64	53.66
5530	NASDAQ	PKOH	Mon, May 12, 2014	54.41	56.00	53.40	55.35
5529	NASDAQ	PKOH	Fri, May 9, 2014	53.07	54.39	52.29	54.27
5528	NASDAQ	PKOH	Thu, May 8, 2014	54.27	54.70	53.08	53.21
5527	NASDAQ	PKOH	Wed, May 7, 2014	54.54	54.95	53.27	54.56
5526	NASDAQ	PKOH	Tue, May 6, 2014	56.00	56.00	53.11	54.41
5525	NASDAQ	PKOH	Mon, May 5, 2014	56.42	57.97	56.42	57.57
5524	NASDAQ	PKOH	Fri, May 2, 2014	57.98	58.94	57.02	57.64
5523	NASDAQ	PKOH	Thu, May 1, 2014	58.58	58.71	56.74	57.99
5522	NASDAQ	PKOH	Wed, Apr 30, 2014	57.09	58.72	56.86	58.39
5521	NASDAQ	PKOH	Tue, Apr 29, 2014	58.10	58.78	57.12	57.64
5520	NASDAQ	PKOH	Mon, Apr 28, 2014	58.33	59.03	56.66	58.04
5519	NASDAQ	PKOH	Fri, Apr 25, 2014	59.17	59.17	57.70	58.40
5518	NASDAQ	PKOH	Thu, Apr 24, 2014	60.33	60.65	58.99	59.65
5517	NASDAQ	PKOH	Wed, Apr 23, 2014	60.02	61.27	59.53	60.67
5516	NASDAQ	PKOH	Tue, Apr 22, 2014	59.46	60.49	59.17	60.36
5515	NASDAQ	PKOH	Mon, Apr 21, 2014	60.54	61.14	59.23	59.54
5514	NASDAQ	PKOH	Thu, Apr 17, 2014	59.37	61.23	59.37	60.67
5513	NASDAQ	PKOH	Wed, Apr 16, 2014	58.07	59.95	57.66	59.38
5512	NASDAQ	PKOH	Tue, Apr 15, 2014	57.32	57.94	56.27	57.75
5511	NASDAQ	PKOH	Mon, Apr 14, 2014	57.41	58.00	56.88	57.52
5510	NASDAQ	PKOH	Fri, Apr 11, 2014	57.44	58.97	56.55	57.03
5509	NASDAQ	PKOH	Thu, Apr 10, 2014	59.62	59.96	57.61	58.04
5508	NASDAQ	PKOH	Wed, Apr 9, 2014	58.39	59.67	58.03	59.67
5507	NASDAQ	PKOH	Tue, Apr 8, 2014	57.00	58.95	57.00	58.35
5506	NASDAQ	PKOH	Mon, Apr 7, 2014	59.60	59.90	56.26	56.98
5505	NASDAQ	PKOH	Fri, Apr 4, 2014	61.40	61.40	58.91	59.75
5504	NASDAQ	PKOH	Thu, Apr 3, 2014	60.40	61.21	60.00	60.60
5503	NASDAQ	PKOH	Wed, Apr 2, 2014	59.82	60.90	59.32	60.55
5502	NASDAQ	PKOH	Tue, Apr 1, 2014	56.75	60.29	56.45	59.58
5501	NASDAQ	PKOH	Mon, Mar 31, 2014	54.83	56.59	54.55	56.15
5500	NASDAQ	PKOH	Fri, Mar 28, 2014	54.80	56.12	54.35	54.72
5499	NASDAQ	PKOH	Thu, Mar 27, 2014	53.83	55.20	53.22	54.87
5498	NASDAQ	PKOH	Wed, Mar 26, 2014	54.92	54.92	53.48	53.81
5497	NASDAQ	PKOH	Tue, Mar 25, 2014	55.00	56.29	54.25	54.73
5496	NASDAQ	PKOH	Mon, Mar 24, 2014	56.08	56.20	53.88	54.55
5495	NASDAQ	PKOH	Fri, Mar 21, 2014	56.34	57.50	55.20	55.51
5494	NASDAQ	PKOH	Thu, Mar 20, 2014	56.79	57.07	55.39	56.29
5493	NASDAQ	PKOH	Wed, Mar 19, 2014	56.93	57.68	55.58	56.20
5492	NASDAQ	PKOH	Tue, Mar 18, 2014	56.52	57.24	55.61	57.21
5491	NASDAQ	PKOH	Mon, Mar 17, 2014	54.71	58.77	54.33	56.33
5490	NASDAQ	PKOH	Fri, Mar 14, 2014	54.64	55.25	54.24	55.06
5489	NASDAQ	PKOH	Thu, Mar 13, 2014	54.62	55.00	53.63	54.66
5488	NASDAQ	PKOH	Wed, Mar 12, 2014	54.39	55.10	54.05	54.59
5487	NASDAQ	PKOH	Tue, Mar 11, 2014	50.95	55.66	50.90	54.72
5486	NASDAQ	PKOH	Mon, Mar 10, 2014	52.10	52.52	51.53	52.45
5485	NASDAQ	PKOH	Fri, Mar 7, 2014	52.60	53.00	52.15	52.43
5484	NASDAQ	PKOH	Thu, Mar 6, 2014	52.95	53.05	52.38	52.49
5483	NASDAQ	PKOH	Wed, Mar 5, 2014	53.06	53.91	50.94	52.52
5482	NASDAQ	PKOH	Tue, Mar 4, 2014	53.15	54.97	46.00	53.06
5481	NASDAQ	PKOH	Mon, Mar 3, 2014	52.18	53.15	51.37	52.53
5480	NASDAQ	PKOH	Fri, Feb 28, 2014	51.12	53.23	51.00	52.64
5479	NASDAQ	PKOH	Thu, Feb 27, 2014	50.20	51.50	50.20	51.08
5478	NASDAQ	PKOH	Wed, Feb 26, 2014	51.16	51.49	49.91	50.39
5477	NASDAQ	PKOH	Tue, Feb 25, 2014	49.92	51.62	49.86	51.34
5476	NASDAQ	PKOH	Mon, Feb 24, 2014	49.39	49.94	49.11	49.76
5475	NASDAQ	PKOH	Fri, Feb 21, 2014	48.77	49.73	48.57	49.51
5474	NASDAQ	PKOH	Thu, Feb 20, 2014	48.10	48.90	48.08	48.49
5473	NASDAQ	PKOH	Wed, Feb 19, 2014	47.76	48.49	47.76	48.24
5472	NASDAQ	PKOH	Tue, Feb 18, 2014	47.59	48.33	47.39	48.06
5471	NASDAQ	PKOH	Fri, Feb 14, 2014	48.07	48.36	46.80	47.50
5470	NASDAQ	PKOH	Thu, Feb 13, 2014	45.38	49.15	45.24	48.36
5469	NASDAQ	PKOH	Wed, Feb 12, 2014	43.97	46.00	43.77	45.69
5468	NASDAQ	PKOH	Tue, Feb 11, 2014	44.51	44.51	43.11	44.06
5467	NASDAQ	PKOH	Mon, Feb 10, 2014	44.15	44.68	43.42	44.52
5466	NASDAQ	PKOH	Fri, Feb 7, 2014	44.73	45.24	43.51	44.37
5465	NASDAQ	PKOH	Thu, Feb 6, 2014	44.78	45.03	43.39	44.67
5464	NASDAQ	PKOH	Wed, Feb 5, 2014	45.83	45.83	44.27	44.51
5463	NASDAQ	PKOH	Tue, Feb 4, 2014	45.39	46.48	45.15	46.13
5462	NASDAQ	PKOH	Mon, Feb 3, 2014	47.86	47.92	44.50	45.41
5461	NASDAQ	PKOH	Fri, Jan 31, 2014	48.02	48.57	47.05	47.80
5460	NASDAQ	PKOH	Thu, Jan 30, 2014	48.81	49.76	47.90	48.96
5459	NASDAQ	PKOH	Wed, Jan 29, 2014	48.99	51.03	48.16	48.23
5458	NASDAQ	PKOH	Tue, Jan 28, 2014	48.51	49.23	48.20	49.23
5457	NASDAQ	PKOH	Mon, Jan 27, 2014	50.32	50.62	48.56	48.59
5456	NASDAQ	PKOH	Fri, Jan 24, 2014	50.65	50.85	49.35	50.33
5455	NASDAQ	PKOH	Thu, Jan 23, 2014	50.99	51.35	50.73	50.92
5454	NASDAQ	PKOH	Wed, Jan 22, 2014	51.27	51.72	50.95	51.12
5453	NASDAQ	PKOH	Tue, Jan 21, 2014	51.35	51.81	50.85	51.30
5452	NASDAQ	PKOH	Fri, Jan 17, 2014	51.17	51.50	50.61	50.97
5451	NASDAQ	PKOH	Thu, Jan 16, 2014	50.90	51.20	50.75	51.10
5450	NASDAQ	PKOH	Wed, Jan 15, 2014	51.20	51.39	50.72	50.90
5449	NASDAQ	PKOH	Tue, Jan 14, 2014	51.15	51.60	50.81	51.24
5448	NASDAQ	PKOH	Mon, Jan 13, 2014	51.26	51.41	50.74	50.85
5447	NASDAQ	PKOH	Fri, Jan 10, 2014	51.33	51.70	50.73	51.25
5446	NASDAQ	PKOH	Thu, Jan 9, 2014	51.13	51.50	50.41	51.19
5445	NASDAQ	PKOH	Wed, Jan 8, 2014	50.80	51.34	50.73	51.05
5444	NASDAQ	PKOH	Tue, Jan 7, 2014	50.86	51.63	50.43	50.75
5443	NASDAQ	PKOH	Mon, Jan 6, 2014	51.13	51.50	50.51	50.59
5442	NASDAQ	PKOH	Fri, Jan 3, 2014	51.28	51.65	50.60	50.98
5441	NASDAQ	PKOH	Thu, Jan 2, 2014	51.72	51.72	50.29	51.29
5440	NASDAQ	PKOH	Tue, Dec 31, 2013	51.21	53.32	51.21	52.40
5439	NASDAQ	PKOH	Mon, Dec 30, 2013	50.39	50.99	50.39	50.70
5438	NASDAQ	PKOH	Fri, Dec 27, 2013	51.57	51.57	50.21	50.58
5437	NASDAQ	PKOH	Thu, Dec 26, 2013	51.60	52.22	51.11	51.36
5436	NASDAQ	PKOH	Tue, Dec 24, 2013	51.06	52.21	50.99	51.42
5435	NASDAQ	PKOH	Mon, Dec 23, 2013	50.50	51.29	50.00	51.06
5434	NASDAQ	PKOH	Fri, Dec 20, 2013	49.34	51.43	48.98	49.89
5433	NASDAQ	PKOH	Thu, Dec 19, 2013	49.84	49.96	49.08	49.10
5432	NASDAQ	PKOH	Wed, Dec 18, 2013	48.65	49.84	48.62	49.76
5431	NASDAQ	PKOH	Tue, Dec 17, 2013	48.26	48.99	47.99	48.65
5430	NASDAQ	PKOH	Mon, Dec 16, 2013	47.61	48.23	47.40	48.21
5429	NASDAQ	PKOH	Fri, Dec 13, 2013	46.96	47.99	46.71	47.21
5428	NASDAQ	PKOH	Thu, Dec 12, 2013	47.03	47.51	46.79	46.93
5427	NASDAQ	PKOH	Wed, Dec 11, 2013	46.51	47.29	46.06	46.99
5426	NASDAQ	PKOH	Tue, Dec 10, 2013	47.23	47.23	45.90	46.47
5425	NASDAQ	PKOH	Mon, Dec 9, 2013	47.30	47.73	46.92	47.22
5424	NASDAQ	PKOH	Fri, Dec 6, 2013	44.80	45.94	44.75	45.67
5423	NASDAQ	PKOH	Thu, Dec 5, 2013	44.76	44.78	44.35	44.73
5422	NASDAQ	PKOH	Wed, Dec 4, 2013	44.33	44.75	43.78	44.50
5421	NASDAQ	PKOH	Tue, Dec 3, 2013	43.45	44.96	43.45	44.46
5420	NASDAQ	PKOH	Mon, Dec 2, 2013	42.58	44.21	42.58	43.65
5419	NASDAQ	PKOH	Fri, Nov 29, 2013	42.17	42.99	42.02	42.58
5418	NASDAQ	PKOH	Wed, Nov 27, 2013	41.11	43.92	41.02	42.28
5417	NASDAQ	PKOH	Tue, Nov 26, 2013	41.00	41.33	41.00	41.13
5416	NASDAQ	PKOH	Mon, Nov 25, 2013	40.53	41.34	40.35	41.00
5415	NASDAQ	PKOH	Fri, Nov 22, 2013	40.88	40.93	40.03	40.53
5414	NASDAQ	PKOH	Thu, Nov 21, 2013	39.56	41.09	39.50	40.75
5413	NASDAQ	PKOH	Wed, Nov 20, 2013	39.17	39.84	38.70	39.33
5412	NASDAQ	PKOH	Tue, Nov 19, 2013	38.34	39.08	38.17	38.88
5411	NASDAQ	PKOH	Mon, Nov 18, 2013	38.49	38.80	37.78	38.40
5410	NASDAQ	PKOH	Fri, Nov 15, 2013	38.00	38.67	37.72	38.47
5409	NASDAQ	PKOH	Thu, Nov 14, 2013	37.56	38.49	37.56	38.10
5408	NASDAQ	PKOH	Wed, Nov 13, 2013	37.72	38.47	36.19	37.67
5407	NASDAQ	PKOH	Tue, Nov 12, 2013	38.60	38.78	37.60	38.20
5406	NASDAQ	PKOH	Mon, Nov 11, 2013	38.07	38.99	37.39	38.67
5405	NASDAQ	PKOH	Fri, Nov 8, 2013	37.76	38.50	37.76	38.20
5404	NASDAQ	PKOH	Thu, Nov 7, 2013	38.65	39.09	37.69	37.70
5403	NASDAQ	PKOH	Wed, Nov 6, 2013	38.53	38.74	38.08	38.58
5402	NASDAQ	PKOH	Tue, Nov 5, 2013	41.27	41.27	37.80	38.19
5401	NASDAQ	PKOH	Mon, Nov 4, 2013	41.99	42.29	41.21	41.77
5400	NASDAQ	PKOH	Fri, Nov 1, 2013	41.30	42.20	40.60	41.63
5399	NASDAQ	PKOH	Thu, Oct 31, 2013	41.25	42.19	40.63	41.41
5398	NASDAQ	PKOH	Wed, Oct 30, 2013	41.24	42.50	40.35	41.26
5397	NASDAQ	PKOH	Tue, Oct 29, 2013	41.25	41.50	40.95	41.26
5396	NASDAQ	PKOH	Mon, Oct 28, 2013	40.30	41.25	40.30	41.18
5395	NASDAQ	PKOH	Fri, Oct 25, 2013	40.03	40.61	39.75	40.30
5394	NASDAQ	PKOH	Thu, Oct 24, 2013	39.37	40.22	38.63	39.90
5393	NASDAQ	PKOH	Wed, Oct 23, 2013	39.44	39.76	39.14	39.37
5392	NASDAQ	PKOH	Tue, Oct 22, 2013	40.18	40.40	39.48	39.66
5391	NASDAQ	PKOH	Mon, Oct 21, 2013	39.61	40.25	39.46	39.80
5390	NASDAQ	PKOH	Fri, Oct 18, 2013	40.25	40.41	39.52	39.86
5389	NASDAQ	PKOH	Thu, Oct 17, 2013	40.95	41.96	39.66	39.85
5388	NASDAQ	PKOH	Wed, Oct 16, 2013	39.46	41.59	39.31	41.09
5387	NASDAQ	PKOH	Tue, Oct 15, 2013	39.50	39.75	38.58	39.20
5386	NASDAQ	PKOH	Mon, Oct 14, 2013	38.48	39.73	38.48	39.58
5385	NASDAQ	PKOH	Fri, Oct 11, 2013	37.76	38.85	37.64	38.85
5384	NASDAQ	PKOH	Thu, Oct 10, 2013	37.19	38.15	37.19	37.89
5383	NASDAQ	PKOH	Wed, Oct 9, 2013	37.06	37.45	36.50	36.67
5382	NASDAQ	PKOH	Tue, Oct 8, 2013	37.20	37.35	36.81	36.97
5381	NASDAQ	PKOH	Mon, Oct 7, 2013	37.46	37.75	36.80	37.25
5380	NASDAQ	PKOH	Fri, Oct 4, 2013	37.70	38.38	37.49	37.83
5379	NASDAQ	PKOH	Thu, Oct 3, 2013	38.65	38.85	37.52	37.78
5378	NASDAQ	PKOH	Wed, Oct 2, 2013	39.44	40.00	38.40	38.71
5377	NASDAQ	PKOH	Tue, Oct 1, 2013	38.42	39.99	38.40	39.94
5376	NASDAQ	PKOH	Mon, Sep 30, 2013	38.11	38.75	38.11	38.42
5375	NASDAQ	PKOH	Fri, Sep 27, 2013	38.12	38.50	38.12	38.44
5374	NASDAQ	PKOH	Thu, Sep 26, 2013	38.28	38.50	38.12	38.43
5373	NASDAQ	PKOH	Wed, Sep 25, 2013	38.15	38.50	37.98	38.26
5372	NASDAQ	PKOH	Tue, Sep 24, 2013	37.40	38.30	37.20	38.19
5371	NASDAQ	PKOH	Mon, Sep 23, 2013	37.16	37.58	36.32	37.58
5370	NASDAQ	PKOH	Fri, Sep 20, 2013	36.93	37.49	36.70	36.93
5369	NASDAQ	PKOH	Thu, Sep 19, 2013	36.93	36.93	36.11	36.89
5368	NASDAQ	PKOH	Wed, Sep 18, 2013	36.46	37.10	36.43	36.88
5367	NASDAQ	PKOH	Tue, Sep 17, 2013	36.00	36.40	36.00	36.37
5366	NASDAQ	PKOH	Mon, Sep 16, 2013	35.56	36.33	35.22	35.84
5365	NASDAQ	PKOH	Fri, Sep 13, 2013	35.62	36.06	35.29	35.40
5364	NASDAQ	PKOH	Thu, Sep 12, 2013	35.75	35.98	35.32	35.40
5363	NASDAQ	PKOH	Wed, Sep 11, 2013	35.30	36.10	35.30	35.90
5362	NASDAQ	PKOH	Tue, Sep 10, 2013	35.14	35.39	35.14	35.28
5361	NASDAQ	PKOH	Mon, Sep 9, 2013	34.81	35.24	34.48	35.24
5360	NASDAQ	PKOH	Fri, Sep 6, 2013	34.86	35.11	34.44	34.70
5359	NASDAQ	PKOH	Thu, Sep 5, 2013	35.29	35.29	34.35	34.56
5358	NASDAQ	PKOH	Wed, Sep 4, 2013	34.69	35.27	34.39	35.26
5357	NASDAQ	PKOH	Tue, Sep 3, 2013	34.76	34.99	34.42	34.53
5356	NASDAQ	PKOH	Fri, Aug 30, 2013	33.84	34.75	33.84	34.57
5355	NASDAQ	PKOH	Thu, Aug 29, 2013	34.19	34.59	33.71	33.97
5354	NASDAQ	PKOH	Wed, Aug 28, 2013	32.75	34.33	32.75	34.19
5353	NASDAQ	PKOH	Tue, Aug 27, 2013	33.65	34.54	32.41	32.79
5352	NASDAQ	PKOH	Mon, Aug 26, 2013	34.61	35.39	33.85	34.22
5351	NASDAQ	PKOH	Fri, Aug 23, 2013	34.36	34.61	33.87	34.55
5350	NASDAQ	PKOH	Thu, Aug 22, 2013	34.12	34.60	33.30	34.29
5349	NASDAQ	PKOH	Wed, Aug 21, 2013	33.56	34.58	33.21	33.95
5348	NASDAQ	PKOH	Tue, Aug 20, 2013	34.06	34.30	33.56	33.87
5347	NASDAQ	PKOH	Mon, Aug 19, 2013	33.81	34.73	33.43	33.98
5346	NASDAQ	PKOH	Fri, Aug 16, 2013	33.71	34.15	33.65	34.05
5345	NASDAQ	PKOH	Thu, Aug 15, 2013	33.43	33.83	33.02	33.54
5344	NASDAQ	PKOH	Wed, Aug 14, 2013	34.00	34.00	33.70	33.73
5343	NASDAQ	PKOH	Tue, Aug 13, 2013	33.44	34.02	33.31	33.92
5342	NASDAQ	PKOH	Mon, Aug 12, 2013	32.95	33.26	31.29	33.11
5341	NASDAQ	PKOH	Fri, Aug 9, 2013	34.02	34.02	32.66	33.10
5340	NASDAQ	PKOH	Thu, Aug 8, 2013	34.99	35.73	34.72	34.96
5339	NASDAQ	PKOH	Wed, Aug 7, 2013	35.79	36.01	34.31	34.44
5338	NASDAQ	PKOH	Tue, Aug 6, 2013	36.20	36.31	35.50	36.21
5337	NASDAQ	PKOH	Mon, Aug 5, 2013	36.03	36.90	34.13	36.24
5336	NASDAQ	PKOH	Fri, Aug 2, 2013	36.19	36.32	35.50	36.00
5335	NASDAQ	PKOH	Thu, Aug 1, 2013	35.37	36.61	35.18	36.20
5334	NASDAQ	PKOH	Wed, Jul 31, 2013	35.06	36.43	34.23	35.13
5333	NASDAQ	PKOH	Tue, Jul 30, 2013	36.11	36.59	34.72	34.76
5332	NASDAQ	PKOH	Mon, Jul 29, 2013	36.64	37.20	35.97	35.98
5331	NASDAQ	PKOH	Fri, Jul 26, 2013	37.15	37.96	36.64	36.69
5330	NASDAQ	PKOH	Thu, Jul 25, 2013	36.72	37.64	36.24	37.63
5329	NASDAQ	PKOH	Wed, Jul 24, 2013	37.48	38.19	36.67	36.71
5328	NASDAQ	PKOH	Tue, Jul 23, 2013	37.47	37.55	37.10	37.40
5327	NASDAQ	PKOH	Mon, Jul 22, 2013	37.43	37.69	36.96	37.15
5326	NASDAQ	PKOH	Fri, Jul 19, 2013	36.39	37.56	36.39	37.28
5325	NASDAQ	PKOH	Thu, Jul 18, 2013	36.63	37.54	36.33	36.47
5324	NASDAQ	PKOH	Wed, Jul 17, 2013	36.43	36.61	35.82	36.61
5323	NASDAQ	PKOH	Tue, Jul 16, 2013	35.75	36.41	35.75	36.08
5322	NASDAQ	PKOH	Mon, Jul 15, 2013	35.39	35.90	35.39	35.82
5321	NASDAQ	PKOH	Fri, Jul 12, 2013	34.52	35.86	34.52	35.47
5320	NASDAQ	PKOH	Thu, Jul 11, 2013	34.36	34.71	34.00	34.61
5319	NASDAQ	PKOH	Wed, Jul 10, 2013	33.46	34.15	33.46	33.76
5318	NASDAQ	PKOH	Tue, Jul 9, 2013	33.64	33.99	32.93	33.59
5317	NASDAQ	PKOH	Mon, Jul 8, 2013	33.79	34.01	32.99	33.31
5316	NASDAQ	PKOH	Fri, Jul 5, 2013	33.82	33.82	33.00	33.31
5315	NASDAQ	PKOH	Wed, Jul 3, 2013	32.86	34.06	33.00	33.11
5314	NASDAQ	PKOH	Tue, Jul 2, 2013	33.00	33.23	32.71	33.17
5313	NASDAQ	PKOH	Mon, Jul 1, 2013	33.15	33.49	32.19	33.07
5312	NASDAQ	PKOH	Fri, Jun 28, 2013	33.37	34.00	32.81	32.98
5311	NASDAQ	PKOH	Thu, Jun 27, 2013	33.03	33.56	32.89	33.41
5310	NASDAQ	PKOH	Wed, Jun 26, 2013	31.46	33.24	31.16	32.94
5309	NASDAQ	PKOH	Tue, Jun 25, 2013	31.28	32.01	30.70	31.54
5308	NASDAQ	PKOH	Mon, Jun 24, 2013	32.48	32.48	30.61	30.61
5307	NASDAQ	PKOH	Fri, Jun 21, 2013	34.77	34.77	33.04	33.16
5306	NASDAQ	PKOH	Thu, Jun 20, 2013	35.31	35.95	34.62	34.65
5305	NASDAQ	PKOH	Wed, Jun 19, 2013	36.20	36.82	35.83	35.83
5304	NASDAQ	PKOH	Tue, Jun 18, 2013	35.93	36.66	35.76	36.34
5303	NASDAQ	PKOH	Mon, Jun 17, 2013	36.21	37.04	35.27	35.75
5302	NASDAQ	PKOH	Fri, Jun 14, 2013	36.35	36.35	34.72	35.70
5301	NASDAQ	PKOH	Thu, Jun 13, 2013	36.11	36.65	36.29	36.53
5300	NASDAQ	PKOH	Wed, Jun 12, 2013	36.79	36.73	36.25	36.54
5299	NASDAQ	PKOH	Tue, Jun 11, 2013	36.49	36.91	36.25	36.49
5298	NASDAQ	PKOH	Mon, Jun 10, 2013	36.85	37.00	36.25	36.99
5297	NASDAQ	PKOH	Fri, Jun 7, 2013	36.46	36.88	36.18	36.62
5296	NASDAQ	PKOH	Thu, Jun 6, 2013	36.20	36.50	35.74	36.25
5295	NASDAQ	PKOH	Wed, Jun 5, 2013	36.30	36.56	35.92	36.20
5294	NASDAQ	PKOH	Tue, Jun 4, 2013	37.07	37.43	36.35	36.60
5293	NASDAQ	PKOH	Mon, Jun 3, 2013	36.95	37.25	36.12	37.11
5292	NASDAQ	PKOH	Fri, May 31, 2013	37.27	37.76	36.78	37.19
5291	NASDAQ	PKOH	Thu, May 30, 2013	37.67	37.87	37.17	37.67
5290	NASDAQ	PKOH	Wed, May 29, 2013	37.69	37.86	37.39	37.44
5289	NASDAQ	PKOH	Tue, May 28, 2013	37.24	38.25	37.06	38.16
5288	NASDAQ	PKOH	Fri, May 24, 2013	36.90	36.90	36.15	36.51
5287	NASDAQ	PKOH	Thu, May 23, 2013	36.53	37.18	36.22	37.07
5286	NASDAQ	PKOH	Wed, May 22, 2013	37.10	37.50	36.73	36.86
5285	NASDAQ	PKOH	Tue, May 21, 2013	37.31	37.26	36.71	36.92
5284	NASDAQ	PKOH	Mon, May 20, 2013	38.10	38.39	37.11	37.21
5283	NASDAQ	PKOH	Fri, May 17, 2013	37.42	38.39	37.42	38.24
5282	NASDAQ	PKOH	Thu, May 16, 2013	37.34	37.53	36.88	37.21
5281	NASDAQ	PKOH	Wed, May 15, 2013	37.02	37.92	37.02	37.60
5280	NASDAQ	PKOH	Tue, May 14, 2013	36.50	37.56	36.50	37.29
5279	NASDAQ	PKOH	Mon, May 13, 2013	37.03	37.03	36.47	36.55
5278	NASDAQ	PKOH	Fri, May 10, 2013	37.31	37.43	36.73	36.99
5277	NASDAQ	PKOH	Thu, May 9, 2013	38.00	38.23	37.00	37.12
5276	NASDAQ	PKOH	Wed, May 8, 2013	38.63	38.74	37.99	38.43
5275	NASDAQ	PKOH	Tue, May 7, 2013	38.39	39.00	37.62	38.74
5274	NASDAQ	PKOH	Mon, May 6, 2013	37.40	38.39	36.98	38.26
5273	NASDAQ	PKOH	Fri, May 3, 2013	37.00	38.33	36.43	37.46
5272	NASDAQ	PKOH	Thu, May 2, 2013	34.75	36.95	34.75	36.87
5271	NASDAQ	PKOH	Wed, May 1, 2013	36.74	36.93	34.96	35.00
5270	NASDAQ	PKOH	Tue, Apr 30, 2013	36.89	36.89	36.19	36.78
5269	NASDAQ	PKOH	Mon, Apr 29, 2013	35.87	36.89	35.87	36.75
5268	NASDAQ	PKOH	Fri, Apr 26, 2013	36.62	36.62	35.51	35.73
5267	NASDAQ	PKOH	Thu, Apr 25, 2013	36.36	36.99	36.36	36.69
5266	NASDAQ	PKOH	Wed, Apr 24, 2013	37.51	37.59	36.01	36.29
5265	NASDAQ	PKOH	Tue, Apr 23, 2013	35.61	37.42	35.38	37.38
5264	NASDAQ	PKOH	Mon, Apr 22, 2013	35.18	35.68	34.20	35.38
5263	NASDAQ	PKOH	Fri, Apr 19, 2013	34.35	35.45	34.20	35.36
5262	NASDAQ	PKOH	Thu, Apr 18, 2013	34.13	34.50	33.92	34.34
5261	NASDAQ	PKOH	Wed, Apr 17, 2013	34.91	35.06	33.80	34.21
5260	NASDAQ	PKOH	Tue, Apr 16, 2013	35.07	35.39	34.90	35.32
5259	NASDAQ	PKOH	Mon, Apr 15, 2013	35.48	35.63	34.50	34.78
5258	NASDAQ	PKOH	Fri, Apr 12, 2013	35.34	35.60	35.11	35.48
5257	NASDAQ	PKOH	Thu, Apr 11, 2013	35.40	35.89	35.34	35.54
5256	NASDAQ	PKOH	Wed, Apr 10, 2013	35.08	35.37	34.86	35.23
5255	NASDAQ	PKOH	Tue, Apr 9, 2013	34.50	35.24	34.46	34.84
5254	NASDAQ	PKOH	Mon, Apr 8, 2013	34.03	34.93	33.80	34.85
5253	NASDAQ	PKOH	Fri, Apr 5, 2013	33.58	34.30	33.58	34.25
5252	NASDAQ	PKOH	Thu, Apr 4, 2013	34.16	34.40	33.90	34.30
5251	NASDAQ	PKOH	Wed, Apr 3, 2013	34.10	34.59	33.41	33.83
5250	NASDAQ	PKOH	Tue, Apr 2, 2013	33.89	34.13	33.56	34.05
5249	NASDAQ	PKOH	Mon, Apr 1, 2013	33.14	33.84	33.06	33.72
5248	NASDAQ	PKOH	Thu, Mar 28, 2013	32.93	33.35	32.69	33.13
5247	NASDAQ	PKOH	Wed, Mar 27, 2013	32.62	32.90	31.92	32.90
5246	NASDAQ	PKOH	Tue, Mar 26, 2013	32.47	33.15	32.31	32.70
5245	NASDAQ	PKOH	Mon, Mar 25, 2013	30.60	32.20	30.60	32.09
5244	NASDAQ	PKOH	Fri, Mar 22, 2013	30.06	30.71	30.06	30.48
5243	NASDAQ	PKOH	Thu, Mar 21, 2013	30.57	30.82	29.78	30.01
5242	NASDAQ	PKOH	Wed, Mar 20, 2013	29.92	30.97	29.64	30.75
5241	NASDAQ	PKOH	Tue, Mar 19, 2013	28.87	29.80	28.59	29.65
5240	NASDAQ	PKOH	Mon, Mar 18, 2013	28.11	28.94	27.97	28.48
5239	NASDAQ	PKOH	Fri, Mar 15, 2013	27.10	28.50	27.10	28.26
5238	NASDAQ	PKOH	Thu, Mar 14, 2013	26.85	27.17	26.75	27.06
5237	NASDAQ	PKOH	Wed, Mar 13, 2013	27.00	27.20	26.75	26.88
5236	NASDAQ	PKOH	Tue, Mar 12, 2013	27.25	27.37	26.64	26.99
5235	NASDAQ	PKOH	Mon, Mar 11, 2013	26.60	27.72	26.60	27.25
5234	NASDAQ	PKOH	Fri, Mar 8, 2013	26.39	26.92	26.22	26.62
5233	NASDAQ	PKOH	Thu, Mar 7, 2013	25.04	26.28	24.91	26.24
5232	NASDAQ	PKOH	Wed, Mar 6, 2013	24.10	25.14	23.77	24.91
5231	NASDAQ	PKOH	Tue, Mar 5, 2013	22.20	24.37	22.20	24.03
5230	NASDAQ	PKOH	Mon, Mar 4, 2013	20.36	21.43	20.36	21.34
5229	NASDAQ	PKOH	Fri, Mar 1, 2013	20.11	20.80	20.11	20.73
5228	NASDAQ	PKOH	Thu, Feb 28, 2013	20.64	21.09	20.22	20.34
5227	NASDAQ	PKOH	Wed, Feb 27, 2013	20.20	21.20	20.41	20.63
5226	NASDAQ	PKOH	Tue, Feb 26, 2013	20.42	20.50	19.96	20.16
5225	NASDAQ	PKOH	Mon, Feb 25, 2013	21.00	21.21	20.35	20.35
5224	NASDAQ	PKOH	Fri, Feb 22, 2013	20.96	21.01	20.65	21.01
5223	NASDAQ	PKOH	Thu, Feb 21, 2013	21.37	21.37	20.56	20.85
5222	NASDAQ	PKOH	Wed, Feb 20, 2013	21.86	21.86	21.41	21.41
5221	NASDAQ	PKOH	Tue, Feb 19, 2013	21.99	21.99	21.31	21.89
5220	NASDAQ	PKOH	Fri, Feb 15, 2013	22.89	22.89	21.72	21.99
5219	NASDAQ	PKOH	Thu, Feb 14, 2013	22.70	22.87	22.69	22.69
5218	NASDAQ	PKOH	Wed, Feb 13, 2013	22.97	22.98	22.76	22.81
5217	NASDAQ	PKOH	Tue, Feb 12, 2013	22.77	22.97	22.76	22.89
5216	NASDAQ	PKOH	Mon, Feb 11, 2013	22.78	22.82	22.65	22.78
5215	NASDAQ	PKOH	Fri, Feb 8, 2013	22.59	22.97	22.59	22.90
5214	NASDAQ	PKOH	Thu, Feb 7, 2013	22.77	22.77	22.31	22.36
5213	NASDAQ	PKOH	Wed, Feb 6, 2013	22.55	22.83	22.38	22.81
5212	NASDAQ	PKOH	Tue, Feb 5, 2013	23.28	23.28	22.40	22.72
5211	NASDAQ	PKOH	Mon, Feb 4, 2013	23.54	23.80	23.06	23.07
5210	NASDAQ	PKOH	Fri, Feb 1, 2013	24.17	24.28	23.68	23.76
5209	NASDAQ	PKOH	Thu, Jan 31, 2013	22.82	24.50	22.82	24.14
5208	NASDAQ	PKOH	Wed, Jan 30, 2013	23.98	24.14	22.68	22.80
5207	NASDAQ	PKOH	Tue, Jan 29, 2013	22.50	24.10	22.48	24.05
5206	NASDAQ	PKOH	Mon, Jan 28, 2013	22.75	22.75	22.36	22.56
5205	NASDAQ	PKOH	Fri, Jan 25, 2013	22.70	23.25	22.61	22.77
5204	NASDAQ	PKOH	Thu, Jan 24, 2013	22.34	22.79	22.16	22.33
5203	NASDAQ	PKOH	Wed, Jan 23, 2013	22.90	22.90	22.37	22.37
5202	NASDAQ	PKOH	Tue, Jan 22, 2013	22.65	22.82	22.44	22.81
5201	NASDAQ	PKOH	Fri, Jan 18, 2013	22.81	22.89	22.54	22.65
5200	NASDAQ	PKOH	Thu, Jan 17, 2013	22.04	22.90	21.95	22.88
5199	NASDAQ	PKOH	Wed, Jan 16, 2013	21.24	22.01	20.81	22.00
5198	NASDAQ	PKOH	Tue, Jan 15, 2013	20.52	21.29	20.44	21.29
5197	NASDAQ	PKOH	Mon, Jan 14, 2013	21.05	21.05	20.57	20.62
5196	NASDAQ	PKOH	Fri, Jan 11, 2013	20.96	21.45	20.85	20.96
5195	NASDAQ	PKOH	Thu, Jan 10, 2013	20.82	21.09	20.73	20.93
5194	NASDAQ	PKOH	Wed, Jan 9, 2013	20.94	20.94	20.68	20.78
5193	NASDAQ	PKOH	Tue, Jan 8, 2013	20.66	20.84	20.66	20.79
5192	NASDAQ	PKOH	Mon, Jan 7, 2013	20.84	21.03	20.70	20.75
5191	NASDAQ	PKOH	Fri, Jan 4, 2013	21.30	21.33	20.79	20.93
5190	NASDAQ	PKOH	Thu, Jan 3, 2013	21.30	21.45	21.03	21.12
5189	NASDAQ	PKOH	Wed, Jan 2, 2013	22.05	22.16	21.02	21.32
5188	NASDAQ	PKOH	Mon, Dec 31, 2012	20.65	21.49	20.40	21.31
5187	NASDAQ	PKOH	Fri, Dec 28, 2012	20.92	21.13	20.63	20.63
5186	NASDAQ	PKOH	Thu, Dec 27, 2012	21.23	21.25	20.78	20.99
5185	NASDAQ	PKOH	Wed, Dec 26, 2012	21.35	21.35	20.98	21.30
5184	NASDAQ	PKOH	Mon, Dec 24, 2012	21.17	21.40	21.16	21.21
5183	NASDAQ	PKOH	Fri, Dec 21, 2012	20.89	21.31	20.74	21.21
5182	NASDAQ	PKOH	Thu, Dec 20, 2012	20.79	21.05	20.53	20.97
5181	NASDAQ	PKOH	Wed, Dec 19, 2012	20.72	20.97	20.70	20.82
5180	NASDAQ	PKOH	Tue, Dec 18, 2012	20.60	20.83	20.27	20.77
5179	NASDAQ	PKOH	Mon, Dec 17, 2012	20.00	20.70	19.80	20.57
5178	NASDAQ	PKOH	Fri, Dec 14, 2012	20.00	20.20	19.90	19.94
5177	NASDAQ	PKOH	Thu, Dec 13, 2012	19.93	20.00	19.90	19.95
5176	NASDAQ	PKOH	Wed, Dec 12, 2012	20.49	20.49	19.91	19.98
5175	NASDAQ	PKOH	Tue, Dec 11, 2012	20.27	20.29	19.98	20.11
5174	NASDAQ	PKOH	Mon, Dec 10, 2012	20.02	20.13	19.91	20.03
5173	NASDAQ	PKOH	Fri, Dec 7, 2012	20.12	20.17	19.78	20.03
5172	NASDAQ	PKOH	Thu, Dec 6, 2012	19.91	20.07	19.72	20.06
5171	NASDAQ	PKOH	Wed, Dec 5, 2012	19.92	20.05	19.64	19.86
5170	NASDAQ	PKOH	Tue, Dec 4, 2012	20.36	20.39	19.64	19.95
5169	NASDAQ	PKOH	Mon, Dec 3, 2012	20.99	21.00	20.05	20.38
5168	NASDAQ	PKOH	Fri, Nov 30, 2012	20.90	20.95	20.63	20.93
5167	NASDAQ	PKOH	Thu, Nov 29, 2012	20.74	20.94	20.46	20.80
5166	NASDAQ	PKOH	Wed, Nov 28, 2012	20.51	20.62	20.30	20.55
5165	NASDAQ	PKOH	Tue, Nov 27, 2012	20.99	21.04	20.70	20.78
5164	NASDAQ	PKOH	Mon, Nov 26, 2012	20.37	21.31	20.37	20.99
5163	NASDAQ	PKOH	Fri, Nov 23, 2012	20.20	20.41	20.00	20.33
5162	NASDAQ	PKOH	Wed, Nov 21, 2012	19.61	20.42	19.44	20.12
5161	NASDAQ	PKOH	Tue, Nov 20, 2012	19.59	19.64	19.39	19.54
5160	NASDAQ	PKOH	Mon, Nov 19, 2012	19.23	19.89	19.23	19.77
5159	NASDAQ	PKOH	Fri, Nov 16, 2012	19.69	19.69	18.33	19.03
5158	NASDAQ	PKOH	Thu, Nov 15, 2012	19.21	19.80	19.21	19.79
5157	NASDAQ	PKOH	Wed, Nov 14, 2012	20.75	20.75	18.88	19.26
5156	NASDAQ	PKOH	Tue, Nov 13, 2012	20.20	21.04	20.20	20.69
5155	NASDAQ	PKOH	Mon, Nov 12, 2012	20.58	20.58	20.23	20.38
5154	NASDAQ	PKOH	Fri, Nov 9, 2012	20.18	20.68	20.18	20.58
5153	NASDAQ	PKOH	Thu, Nov 8, 2012	21.43	21.47	20.63	20.67
5152	NASDAQ	PKOH	Wed, Nov 7, 2012	22.59	22.59	21.12	21.20
5151	NASDAQ	PKOH	Tue, Nov 6, 2012	22.11	23.21	21.91	22.99
5150	NASDAQ	PKOH	Mon, Nov 5, 2012	21.70	22.21	21.57	22.10
5149	NASDAQ	PKOH	Fri, Nov 2, 2012	22.15	22.15	21.49	21.91
5148	NASDAQ	PKOH	Thu, Nov 1, 2012	22.25	22.25	20.10	22.06
5147	NASDAQ	PKOH	Wed, Oct 31, 2012	22.11	22.25	21.84	22.12
5146	NASDAQ	PKOH	Fri, Oct 26, 2012	21.84	22.22	21.34	22.02
5145	NASDAQ	PKOH	Thu, Oct 25, 2012	20.81	21.99	20.81	21.91
5144	NASDAQ	PKOH	Wed, Oct 24, 2012	20.25	20.77	20.18	20.63
5143	NASDAQ	PKOH	Tue, Oct 23, 2012	19.70	20.47	19.29	20.05
5142	NASDAQ	PKOH	Mon, Oct 22, 2012	19.55	20.02	19.36	19.92
5141	NASDAQ	PKOH	Fri, Oct 19, 2012	19.71	19.77	19.07	19.67
5140	NASDAQ	PKOH	Thu, Oct 18, 2012	20.81	21.15	19.85	19.85
5139	NASDAQ	PKOH	Wed, Oct 17, 2012	20.72	21.16	20.48	20.90
5138	NASDAQ	PKOH	Tue, Oct 16, 2012	20.67	20.77	20.14	20.60
5137	NASDAQ	PKOH	Mon, Oct 15, 2012	20.16	20.53	20.03	20.44
5136	NASDAQ	PKOH	Fri, Oct 12, 2012	19.92	20.57	19.90	20.10
5135	NASDAQ	PKOH	Thu, Oct 11, 2012	20.11	20.19	19.80	19.95
5134	NASDAQ	PKOH	Wed, Oct 10, 2012	20.09	20.29	19.78	19.95
5133	NASDAQ	PKOH	Tue, Oct 9, 2012	21.06	21.11	20.12	20.26
5132	NASDAQ	PKOH	Mon, Oct 8, 2012	21.91	21.97	20.92	21.22
5131	NASDAQ	PKOH	Fri, Oct 5, 2012	22.27	22.32	21.98	21.98
5130	NASDAQ	PKOH	Thu, Oct 4, 2012	21.83	22.24	21.83	22.17
5129	NASDAQ	PKOH	Wed, Oct 3, 2012	22.49	22.61	22.18	22.25
5128	NASDAQ	PKOH	Tue, Oct 2, 2012	22.38	22.51	22.06	22.24
5127	NASDAQ	PKOH	Mon, Oct 1, 2012	21.79	22.58	21.79	22.08
5126	NASDAQ	PKOH	Fri, Sep 28, 2012	21.71	22.05	21.52	21.67
5125	NASDAQ	PKOH	Thu, Sep 27, 2012	22.03	22.27	21.72	21.86
5124	NASDAQ	PKOH	Wed, Sep 26, 2012	22.31	22.50	21.79	22.00
5123	NASDAQ	PKOH	Tue, Sep 25, 2012	22.53	22.60	22.20	22.21
5122	NASDAQ	PKOH	Mon, Sep 24, 2012	22.72	22.73	22.20	22.35
5121	NASDAQ	PKOH	Fri, Sep 21, 2012	22.25	22.88	22.24	22.82
5120	NASDAQ	PKOH	Thu, Sep 20, 2012	22.00	22.23	22.00	22.17
5119	NASDAQ	PKOH	Wed, Sep 19, 2012	22.23	22.25	22.05	22.11
5118	NASDAQ	PKOH	Tue, Sep 18, 2012	22.26	22.26	21.90	22.13
5117	NASDAQ	PKOH	Mon, Sep 17, 2012	21.66	22.34	21.66	22.22
5116	NASDAQ	PKOH	Fri, Sep 14, 2012	22.23	22.42	21.61	21.93
5115	NASDAQ	PKOH	Thu, Sep 13, 2012	21.32	22.13	21.12	22.10
5114	NASDAQ	PKOH	Wed, Sep 12, 2012	21.16	21.36	21.11	21.32
5113	NASDAQ	PKOH	Tue, Sep 11, 2012	21.49	21.49	21.11	21.26
5112	NASDAQ	PKOH	Mon, Sep 10, 2012	21.50	21.50	21.05	21.22
5111	NASDAQ	PKOH	Fri, Sep 7, 2012	21.79	21.79	21.29	21.47
5110	NASDAQ	PKOH	Thu, Sep 6, 2012	21.76	22.09	21.25	21.67
5109	NASDAQ	PKOH	Wed, Sep 5, 2012	21.53	21.60	21.07	21.52
5108	NASDAQ	PKOH	Tue, Sep 4, 2012	21.43	21.89	20.94	21.66
5107	NASDAQ	PKOH	Fri, Aug 31, 2012	21.34	22.15	21.08	21.51
5106	NASDAQ	PKOH	Thu, Aug 30, 2012	21.89	21.89	20.91	20.99
5105	NASDAQ	PKOH	Wed, Aug 29, 2012	21.58	22.17	21.54	22.03
5104	NASDAQ	PKOH	Tue, Aug 28, 2012	21.20	21.75	21.18	21.58
5103	NASDAQ	PKOH	Mon, Aug 27, 2012	21.66	21.66	21.06	21.43
5102	NASDAQ	PKOH	Fri, Aug 24, 2012	21.16	21.46	21.10	21.34
5101	NASDAQ	PKOH	Thu, Aug 23, 2012	21.17	21.31	20.80	21.30
5100	NASDAQ	PKOH	Wed, Aug 22, 2012	21.45	21.65	21.08	21.17
5099	NASDAQ	PKOH	Tue, Aug 21, 2012	21.79	21.79	21.32	21.37
5098	NASDAQ	PKOH	Mon, Aug 20, 2012	22.21	22.21	21.32	21.84
5097	NASDAQ	PKOH	Fri, Aug 17, 2012	22.03	22.20	21.60	22.17
5096	NASDAQ	PKOH	Thu, Aug 16, 2012	21.02	22.20	21.02	22.11
5095	NASDAQ	PKOH	Wed, Aug 15, 2012	21.00	21.25	20.00	21.20
5094	NASDAQ	PKOH	Tue, Aug 14, 2012	21.54	21.92	20.92	21.10
5093	NASDAQ	PKOH	Mon, Aug 13, 2012	20.96	21.39	20.52	21.29
5092	NASDAQ	PKOH	Fri, Aug 10, 2012	21.01	21.19	20.51	20.69
5091	NASDAQ	PKOH	Thu, Aug 9, 2012	21.10	21.96	20.81	21.17
5090	NASDAQ	PKOH	Wed, Aug 8, 2012	19.53	21.33	19.05	21.11
5089	NASDAQ	PKOH	Tue, Aug 7, 2012	18.75	19.05	18.67	18.97
5088	NASDAQ	PKOH	Mon, Aug 6, 2012	18.25	18.70	18.05	18.51
5087	NASDAQ	PKOH	Fri, Aug 3, 2012	17.68	18.16	17.50	18.02
5086	NASDAQ	PKOH	Thu, Aug 2, 2012	16.99	17.28	16.99	17.16
5085	NASDAQ	PKOH	Wed, Aug 1, 2012	17.36	17.37	17.08	17.09
5084	NASDAQ	PKOH	Tue, Jul 31, 2012	17.54	17.58	17.07	17.17
5083	NASDAQ	PKOH	Mon, Jul 30, 2012	17.76	18.01	17.32	17.70
5082	NASDAQ	PKOH	Fri, Jul 27, 2012	17.23	17.91	17.20	17.68
5081	NASDAQ	PKOH	Thu, Jul 26, 2012	17.52	18.12	16.85	17.14
5080	NASDAQ	PKOH	Wed, Jul 25, 2012	16.78	17.31	16.62	17.16
5079	NASDAQ	PKOH	Tue, Jul 24, 2012	17.30	17.30	16.42	16.57
5078	NASDAQ	PKOH	Mon, Jul 23, 2012	16.48	17.35	16.48	17.11
5077	NASDAQ	PKOH	Fri, Jul 20, 2012	17.98	18.01	17.51	17.55
5076	NASDAQ	PKOH	Thu, Jul 19, 2012	18.56	18.65	18.00	18.12
5075	NASDAQ	PKOH	Wed, Jul 18, 2012	18.58	18.95	18.40	18.53
5074	NASDAQ	PKOH	Tue, Jul 17, 2012	19.59	19.67	18.73	18.81
5073	NASDAQ	PKOH	Mon, Jul 16, 2012	19.88	19.89	19.33	19.45
5072	NASDAQ	PKOH	Fri, Jul 13, 2012	19.34	20.21	19.28	20.02
5071	NASDAQ	PKOH	Thu, Jul 12, 2012	19.45	19.48	19.22	19.30
5070	NASDAQ	PKOH	Wed, Jul 11, 2012	19.71	19.84	19.01	19.72
5069	NASDAQ	PKOH	Tue, Jul 10, 2012	19.90	20.08	19.56	19.69
5068	NASDAQ	PKOH	Mon, Jul 9, 2012	19.71	19.81	19.41	19.79
5067	NASDAQ	PKOH	Fri, Jul 6, 2012	20.09	20.27	19.74	20.03
5066	NASDAQ	PKOH	Thu, Jul 5, 2012	20.01	20.67	20.01	20.43
5065	NASDAQ	PKOH	Tue, Jul 3, 2012	19.37	20.23	19.37	20.18
5064	NASDAQ	PKOH	Mon, Jul 2, 2012	18.96	19.40	18.70	19.38
5063	NASDAQ	PKOH	Fri, Jun 29, 2012	17.96	19.03	17.96	19.03
5062	NASDAQ	PKOH	Thu, Jun 28, 2012	17.76	17.90	17.44	17.78
5061	NASDAQ	PKOH	Wed, Jun 27, 2012	17.65	17.96	17.63	17.96
5060	NASDAQ	PKOH	Tue, Jun 26, 2012	17.56	17.84	17.45	17.72
5059	NASDAQ	PKOH	Mon, Jun 25, 2012	17.50	17.72	16.99	17.63
5058	NASDAQ	PKOH	Fri, Jun 22, 2012	17.79	17.95	17.06	17.30
5057	NASDAQ	PKOH	Thu, Jun 21, 2012	18.95	18.95	17.70	17.76
5056	NASDAQ	PKOH	Wed, Jun 20, 2012	18.87	18.87	18.36	18.82
5055	NASDAQ	PKOH	Tue, Jun 19, 2012	18.20	19.18	18.07	18.83
5054	NASDAQ	PKOH	Mon, Jun 18, 2012	18.55	18.97	18.01	18.12
5053	NASDAQ	PKOH	Fri, Jun 15, 2012	18.99	19.07	18.59	18.81
5052	NASDAQ	PKOH	Thu, Jun 14, 2012	18.67	19.10	18.47	18.84
5051	NASDAQ	PKOH	Wed, Jun 13, 2012	19.53	19.59	18.49	18.65
5050	NASDAQ	PKOH	Tue, Jun 12, 2012	19.33	19.66	19.32	19.66
5049	NASDAQ	PKOH	Mon, Jun 11, 2012	19.49	19.53	19.21	19.28
5048	NASDAQ	PKOH	Fri, Jun 8, 2012	18.79	19.75	18.44	19.47
5047	NASDAQ	PKOH	Thu, Jun 7, 2012	19.00	19.20	18.85	18.91
5046	NASDAQ	PKOH	Wed, Jun 6, 2012	17.81	18.96	17.73	18.92
5045	NASDAQ	PKOH	Tue, Jun 5, 2012	17.08	17.73	16.85	17.69
5044	NASDAQ	PKOH	Mon, Jun 4, 2012	17.57	17.64	16.98	17.17
5043	NASDAQ	PKOH	Fri, Jun 1, 2012	17.97	18.32	17.34	17.34
5042	NASDAQ	PKOH	Thu, May 31, 2012	18.77	18.92	18.05	18.45
5041	NASDAQ	PKOH	Wed, May 30, 2012	19.20	19.20	18.60	18.65
5040	NASDAQ	PKOH	Tue, May 29, 2012	18.96	19.48	18.80	19.42
5039	NASDAQ	PKOH	Fri, May 25, 2012	18.91	18.91	18.70	18.76
5038	NASDAQ	PKOH	Thu, May 24, 2012	18.95	19.12	18.54	18.82
5037	NASDAQ	PKOH	Wed, May 23, 2012	18.40	19.02	18.00	18.85
5036	NASDAQ	PKOH	Tue, May 22, 2012	19.21	19.27	18.32	18.57
5035	NASDAQ	PKOH	Mon, May 21, 2012	19.24	19.45	18.86	19.15
5034	NASDAQ	PKOH	Fri, May 18, 2012	19.49	19.63	19.06	19.17
5033	NASDAQ	PKOH	Thu, May 17, 2012	19.44	19.77	19.29	19.49
5032	NASDAQ	PKOH	Wed, May 16, 2012	19.80	20.00	19.31	19.35
5031	NASDAQ	PKOH	Tue, May 15, 2012	19.81	20.04	19.70	19.73
5030	NASDAQ	PKOH	Mon, May 14, 2012	20.00	20.00	19.80	19.80
5029	NASDAQ	PKOH	Fri, May 11, 2012	19.93	20.16	19.67	20.01
5028	NASDAQ	PKOH	Thu, May 10, 2012	20.41	20.41	19.90	20.10
5027	NASDAQ	PKOH	Wed, May 9, 2012	20.38	20.38	19.80	20.10
5026	NASDAQ	PKOH	Tue, May 8, 2012	20.26	20.93	19.90	20.74
5025	NASDAQ	PKOH	Mon, May 7, 2012	19.80	20.44	19.47	20.16
5024	NASDAQ	PKOH	Fri, May 4, 2012	21.24	21.24	19.93	19.93
5023	NASDAQ	PKOH	Thu, May 3, 2012	21.80	21.90	21.16	21.38
5022	NASDAQ	PKOH	Wed, May 2, 2012	21.40	22.00	21.40	21.82
5021	NASDAQ	PKOH	Tue, May 1, 2012	21.56	22.16	21.36	21.67
5020	NASDAQ	PKOH	Mon, Apr 30, 2012	21.98	21.98	21.40	21.59
5019	NASDAQ	PKOH	Fri, Apr 27, 2012	21.40	22.15	21.40	22.10
5018	NASDAQ	PKOH	Thu, Apr 26, 2012	21.59	21.75	21.59	21.69
5017	NASDAQ	PKOH	Wed, Apr 25, 2012	21.91	21.94	21.27	21.58
5016	NASDAQ	PKOH	Tue, Apr 24, 2012	21.38	21.67	21.28	21.43
5015	NASDAQ	PKOH	Mon, Apr 23, 2012	21.90	21.90	21.15	21.27
5014	NASDAQ	PKOH	Fri, Apr 20, 2012	21.46	21.91	21.34	21.89
5013	NASDAQ	PKOH	Thu, Apr 19, 2012	21.55	21.63	20.86	20.87
5012	NASDAQ	PKOH	Wed, Apr 18, 2012	21.55	21.69	21.22	21.49
5011	NASDAQ	PKOH	Tue, Apr 17, 2012	21.34	21.93	21.34	21.70
5010	NASDAQ	PKOH	Mon, Apr 16, 2012	20.71	21.51	20.36	21.05
5009	NASDAQ	PKOH	Fri, Apr 13, 2012	20.69	20.75	20.41	20.59
5008	NASDAQ	PKOH	Thu, Apr 12, 2012	20.41	21.20	20.41	20.80
5007	NASDAQ	PKOH	Wed, Apr 11, 2012	20.17	20.46	20.00	20.46
5006	NASDAQ	PKOH	Tue, Apr 10, 2012	19.71	19.99	19.62	19.84
5005	NASDAQ	PKOH	Mon, Apr 9, 2012	19.90	20.15	19.41	19.76
5004	NASDAQ	PKOH	Thu, Apr 5, 2012	20.64	20.64	20.17	20.30
5003	NASDAQ	PKOH	Wed, Apr 4, 2012	21.30	21.44	20.65	20.79
5002	NASDAQ	PKOH	Tue, Apr 3, 2012	21.41	22.61	21.41	21.66
5001	NASDAQ	PKOH	Mon, Apr 2, 2012	19.99	21.69	19.99	21.60
5000	NASDAQ	PKOH	Fri, Mar 30, 2012	20.65	20.65	19.81	20.05
4999	NASDAQ	PKOH	Thu, Mar 29, 2012	20.19	20.57	19.85	20.46
4998	NASDAQ	PKOH	Wed, Mar 28, 2012	20.65	20.71	19.97	20.33
4997	NASDAQ	PKOH	Tue, Mar 27, 2012	21.00	21.00	20.57	20.63
4996	NASDAQ	PKOH	Mon, Mar 26, 2012	20.39	21.00	20.28	20.87
4995	NASDAQ	PKOH	Fri, Mar 23, 2012	19.91	20.35	19.82	20.30
4994	NASDAQ	PKOH	Thu, Mar 22, 2012	19.69	19.96	19.68	19.95
4993	NASDAQ	PKOH	Wed, Mar 21, 2012	19.91	20.02	19.64	20.00
4992	NASDAQ	PKOH	Tue, Mar 20, 2012	19.82	19.99	19.60	19.90
4991	NASDAQ	PKOH	Mon, Mar 19, 2012	19.85	20.22	19.78	19.88
4990	NASDAQ	PKOH	Fri, Mar 16, 2012	19.97	19.99	19.81	19.84
4989	NASDAQ	PKOH	Thu, Mar 15, 2012	20.00	20.00	19.89	20.00
4988	NASDAQ	PKOH	Wed, Mar 14, 2012	20.14	20.18	19.90	19.96
4987	NASDAQ	PKOH	Tue, Mar 13, 2012	20.32	20.32	20.05	20.20
4986	NASDAQ	PKOH	Mon, Mar 12, 2012	20.34	20.39	19.88	20.06
4985	NASDAQ	PKOH	Fri, Mar 9, 2012	19.98	20.35	19.91	20.23
4984	NASDAQ	PKOH	Thu, Mar 8, 2012	19.26	20.03	19.11	19.97
4983	NASDAQ	PKOH	Wed, Mar 7, 2012	17.49	19.27	17.49	18.99
4982	NASDAQ	PKOH	Tue, Mar 6, 2012	17.71	18.20	16.13	17.29
4981	NASDAQ	PKOH	Mon, Mar 5, 2012	17.81	18.06	17.63	17.73
4980	NASDAQ	PKOH	Fri, Mar 2, 2012	18.59	18.69	17.84	17.93
4979	NASDAQ	PKOH	Thu, Mar 1, 2012	18.90	19.21	18.53	18.55
4978	NASDAQ	PKOH	Wed, Feb 29, 2012	19.28	19.40	18.50	18.75
4977	NASDAQ	PKOH	Tue, Feb 28, 2012	19.24	19.50	19.08	19.12
4976	NASDAQ	PKOH	Mon, Feb 27, 2012	19.09	19.45	19.08	19.30
4975	NASDAQ	PKOH	Fri, Feb 24, 2012	19.49	19.86	19.25	19.38
4974	NASDAQ	PKOH	Thu, Feb 23, 2012	19.24	19.92	19.11	19.68
4973	NASDAQ	PKOH	Wed, Feb 22, 2012	19.38	19.61	19.05	19.22
4972	NASDAQ	PKOH	Tue, Feb 21, 2012	20.16	20.25	19.36	19.41
4971	NASDAQ	PKOH	Fri, Feb 17, 2012	20.14	20.20	19.55	20.14
4970	NASDAQ	PKOH	Thu, Feb 16, 2012	19.04	20.09	19.04	20.07
4969	NASDAQ	PKOH	Wed, Feb 15, 2012	19.84	19.93	19.03	19.04
4968	NASDAQ	PKOH	Tue, Feb 14, 2012	20.01	20.10	19.50	19.77
4967	NASDAQ	PKOH	Mon, Feb 13, 2012	19.89	20.03	19.59	20.03
4966	NASDAQ	PKOH	Fri, Feb 10, 2012	19.54	20.08	19.52	19.58
4965	NASDAQ	PKOH	Thu, Feb 9, 2012	19.57	20.04	19.57	19.80
4964	NASDAQ	PKOH	Wed, Feb 8, 2012	19.96	20.13	19.59	19.83
4963	NASDAQ	PKOH	Tue, Feb 7, 2012	20.05	20.20	19.82	19.94
4962	NASDAQ	PKOH	Mon, Feb 6, 2012	20.12	20.20	19.77	20.03
4961	NASDAQ	PKOH	Fri, Feb 3, 2012	20.54	20.54	20.16	20.29
4960	NASDAQ	PKOH	Thu, Feb 2, 2012	20.27	20.39	20.10	20.29
4959	NASDAQ	PKOH	Wed, Feb 1, 2012	19.98	20.36	19.75	20.25
4958	NASDAQ	PKOH	Tue, Jan 31, 2012	19.95	19.96	19.36	19.90
4957	NASDAQ	PKOH	Mon, Jan 30, 2012	19.44	20.00	19.30	19.78
4956	NASDAQ	PKOH	Fri, Jan 27, 2012	19.90	20.29	19.39	19.61
4955	NASDAQ	PKOH	Thu, Jan 26, 2012	20.52	20.52	19.86	20.05
4954	NASDAQ	PKOH	Wed, Jan 25, 2012	20.21	20.49	19.92	20.42
4953	NASDAQ	PKOH	Tue, Jan 24, 2012	20.05	20.33	19.70	20.22
4952	NASDAQ	PKOH	Mon, Jan 23, 2012	20.07	20.58	20.00	20.26
4951	NASDAQ	PKOH	Fri, Jan 20, 2012	20.30	20.59	20.12	20.24
4950	NASDAQ	PKOH	Thu, Jan 19, 2012	19.44	20.38	19.33	20.34
4949	NASDAQ	PKOH	Wed, Jan 18, 2012	19.00	19.45	18.69	19.38
4948	NASDAQ	PKOH	Tue, Jan 17, 2012	19.39	19.39	18.84	19.13
4947	NASDAQ	PKOH	Fri, Jan 13, 2012	18.17	19.34	18.16	19.21
4946	NASDAQ	PKOH	Thu, Jan 12, 2012	18.77	18.77	17.94	18.49
4945	NASDAQ	PKOH	Wed, Jan 11, 2012	18.45	18.86	18.31	18.62
4944	NASDAQ	PKOH	Tue, Jan 10, 2012	18.79	19.00	18.22	18.63
4943	NASDAQ	PKOH	Mon, Jan 9, 2012	18.79	18.92	18.05	18.44
4942	NASDAQ	PKOH	Fri, Jan 6, 2012	18.65	19.26	18.45	18.71
4941	NASDAQ	PKOH	Thu, Jan 5, 2012	18.33	18.88	17.89	18.65
4940	NASDAQ	PKOH	Wed, Jan 4, 2012	18.12	18.79	18.12	18.49
4939	NASDAQ	PKOH	Tue, Jan 3, 2012	18.54	18.71	18.10	18.33
4938	NASDAQ	PKOH	Fri, Dec 30, 2011	18.20	18.46	17.81	17.84
4937	NASDAQ	PKOH	Thu, Dec 29, 2011	17.81	18.55	17.81	18.14
4936	NASDAQ	PKOH	Wed, Dec 28, 2011	18.66	18.66	17.62	17.71
4935	NASDAQ	PKOH	Tue, Dec 27, 2011	18.55	18.87	18.36	18.76
4934	NASDAQ	PKOH	Fri, Dec 23, 2011	18.84	18.84	18.14	18.71
4933	NASDAQ	PKOH	Thu, Dec 22, 2011	18.76	19.20	18.47	18.87
4932	NASDAQ	PKOH	Wed, Dec 21, 2011	18.89	18.89	18.19	18.72
4931	NASDAQ	PKOH	Tue, Dec 20, 2011	18.70	19.09	18.42	19.08
4930	NASDAQ	PKOH	Mon, Dec 19, 2011	19.23	19.42	18.00	18.11
4929	NASDAQ	PKOH	Fri, Dec 16, 2011	19.79	19.79	18.79	18.82
4928	NASDAQ	PKOH	Thu, Dec 15, 2011	19.61	19.61	19.04	19.39
4927	NASDAQ	PKOH	Wed, Dec 14, 2011	18.51	19.38	18.30	19.14
4926	NASDAQ	PKOH	Tue, Dec 13, 2011	19.58	19.58	18.40	18.61
4925	NASDAQ	PKOH	Mon, Dec 12, 2011	19.33	19.55	18.80	19.29
4924	NASDAQ	PKOH	Fri, Dec 9, 2011	19.31	19.94	19.16	19.82
4923	NASDAQ	PKOH	Thu, Dec 8, 2011	19.05	19.64	18.99	19.20
4922	NASDAQ	PKOH	Wed, Dec 7, 2011	19.26	19.65	19.01	19.28
4921	NASDAQ	PKOH	Tue, Dec 6, 2011	19.36	19.75	19.14	19.45
4920	NASDAQ	PKOH	Mon, Dec 5, 2011	19.74	19.89	18.91	19.24
4919	NASDAQ	PKOH	Fri, Dec 2, 2011	19.61	19.80	18.57	19.19
4918	NASDAQ	PKOH	Thu, Dec 1, 2011	19.20	19.46	18.70	19.17
4917	NASDAQ	PKOH	Wed, Nov 30, 2011	19.12	19.89	18.94	19.40
4916	NASDAQ	PKOH	Tue, Nov 29, 2011	18.17	18.28	17.48	17.99
4915	NASDAQ	PKOH	Mon, Nov 28, 2011	17.56	18.36	16.77	18.04
4914	NASDAQ	PKOH	Fri, Nov 25, 2011	16.93	17.36	16.45	16.57
4913	NASDAQ	PKOH	Wed, Nov 23, 2011	17.85	17.97	16.76	17.01
4912	NASDAQ	PKOH	Tue, Nov 22, 2011	18.11	18.65	17.87	18.09
4911	NASDAQ	PKOH	Mon, Nov 21, 2011	18.81	18.92	17.90	18.18
4910	NASDAQ	PKOH	Fri, Nov 18, 2011	19.16	20.00	19.16	19.30
4909	NASDAQ	PKOH	Thu, Nov 17, 2011	18.88	19.61	18.67	19.29
4908	NASDAQ	PKOH	Wed, Nov 16, 2011	19.50	20.07	18.94	18.96
4907	NASDAQ	PKOH	Tue, Nov 15, 2011	19.64	20.29	19.50	19.80
4906	NASDAQ	PKOH	Mon, Nov 14, 2011	19.27	19.84	19.27	19.83
4905	NASDAQ	PKOH	Fri, Nov 11, 2011	19.38	19.70	19.23	19.41
4904	NASDAQ	PKOH	Thu, Nov 10, 2011	18.62	19.77	18.57	18.95
4903	NASDAQ	PKOH	Wed, Nov 9, 2011	18.90	19.39	18.17	18.28
4902	NASDAQ	PKOH	Tue, Nov 8, 2011	18.66	19.77	18.44	19.77
4901	NASDAQ	PKOH	Mon, Nov 7, 2011	17.27	18.29	17.06	18.24
4900	NASDAQ	PKOH	Fri, Nov 4, 2011	17.37	17.69	16.91	17.49
4899	NASDAQ	PKOH	Thu, Nov 3, 2011	16.68	17.78	16.08	17.71
4898	NASDAQ	PKOH	Wed, Nov 2, 2011	15.09	16.24	14.95	16.16
4897	NASDAQ	PKOH	Tue, Nov 1, 2011	15.14	15.35	14.47	14.64
4896	NASDAQ	PKOH	Mon, Oct 31, 2011	15.48	16.43	15.48	16.18
4895	NASDAQ	PKOH	Fri, Oct 28, 2011	16.28	16.71	15.58	16.05
4894	NASDAQ	PKOH	Thu, Oct 27, 2011	15.91	16.51	15.38	16.40
4893	NASDAQ	PKOH	Wed, Oct 26, 2011	14.98	15.45	14.22	15.03
4892	NASDAQ	PKOH	Tue, Oct 25, 2011	15.36	15.36	14.40	14.52
4891	NASDAQ	PKOH	Mon, Oct 24, 2011	14.39	15.63	14.39	15.58
4890	NASDAQ	PKOH	Fri, Oct 21, 2011	14.07	14.27	13.61	14.04
4889	NASDAQ	PKOH	Thu, Oct 20, 2011	13.94	13.94	12.91	13.70
4888	NASDAQ	PKOH	Wed, Oct 19, 2011	15.34	15.35	13.91	13.93
4887	NASDAQ	PKOH	Tue, Oct 18, 2011	14.10	15.69	13.75	15.32
4886	NASDAQ	PKOH	Mon, Oct 17, 2011	15.31	15.31	13.88	14.01
4885	NASDAQ	PKOH	Fri, Oct 14, 2011	14.81	15.66	14.55	15.47
4884	NASDAQ	PKOH	Thu, Oct 13, 2011	14.46	14.51	13.85	14.51
4883	NASDAQ	PKOH	Wed, Oct 12, 2011	13.50	14.84	13.15	14.63
4882	NASDAQ	PKOH	Tue, Oct 11, 2011	12.83	13.28	12.75	13.25
4881	NASDAQ	PKOH	Mon, Oct 10, 2011	12.50	13.04	12.26	13.02
4880	NASDAQ	PKOH	Fri, Oct 7, 2011	12.65	12.78	11.74	12.05
4879	NASDAQ	PKOH	Thu, Oct 6, 2011	11.89	12.61	11.58	12.58
4878	NASDAQ	PKOH	Wed, Oct 5, 2011	11.45	12.15	11.36	11.90
4877	NASDAQ	PKOH	Tue, Oct 4, 2011	10.71	11.50	10.59	11.35
4876	NASDAQ	PKOH	Mon, Oct 3, 2011	11.78	12.09	10.75	10.80
4875	NASDAQ	PKOH	Fri, Sep 30, 2011	11.81	12.56	11.62	12.01
4874	NASDAQ	PKOH	Thu, Sep 29, 2011	11.93	12.20	11.61	12.18
4873	NASDAQ	PKOH	Wed, Sep 28, 2011	12.46	12.46	11.20	11.45
4872	NASDAQ	PKOH	Tue, Sep 27, 2011	12.11	13.01	12.00	12.48
4871	NASDAQ	PKOH	Mon, Sep 26, 2011	11.74	11.87	10.95	11.64
4870	NASDAQ	PKOH	Fri, Sep 23, 2011	12.23	12.32	11.34	11.57
4869	NASDAQ	PKOH	Thu, Sep 22, 2011	12.54	13.46	12.11	12.18
4868	NASDAQ	PKOH	Wed, Sep 21, 2011	14.00	14.40	12.52	12.68
4867	NASDAQ	PKOH	Tue, Sep 20, 2011	15.12	15.37	13.75	14.00
4866	NASDAQ	PKOH	Mon, Sep 19, 2011	14.94	15.20	14.50	14.94
4865	NASDAQ	PKOH	Fri, Sep 16, 2011	15.05	15.28	14.70	15.24
4864	NASDAQ	PKOH	Thu, Sep 15, 2011	14.88	14.99	14.45	14.98
4863	NASDAQ	PKOH	Wed, Sep 14, 2011	14.41	15.15	14.00	14.77
4862	NASDAQ	PKOH	Tue, Sep 13, 2011	13.88	14.39	13.52	14.27
4861	NASDAQ	PKOH	Mon, Sep 12, 2011	13.00	13.86	12.96	13.75
4860	NASDAQ	PKOH	Fri, Sep 9, 2011	13.48	13.61	13.00	13.28
4859	NASDAQ	PKOH	Thu, Sep 8, 2011	14.25	14.55	13.62	13.65
4858	NASDAQ	PKOH	Wed, Sep 7, 2011	14.05	14.48	13.85	14.39
4857	NASDAQ	PKOH	Tue, Sep 6, 2011	13.16	13.86	13.15	13.63
4856	NASDAQ	PKOH	Fri, Sep 2, 2011	14.40	15.29	13.78	14.00
4855	NASDAQ	PKOH	Thu, Sep 1, 2011	15.83	16.06	14.57	14.70
4854	NASDAQ	PKOH	Wed, Aug 31, 2011	16.03	16.36	15.58	15.87
4853	NASDAQ	PKOH	Tue, Aug 30, 2011	16.01	16.13	15.53	15.89
4852	NASDAQ	PKOH	Mon, Aug 29, 2011	15.08	16.21	15.08	16.17
4851	NASDAQ	PKOH	Fri, Aug 26, 2011	13.40	15.03	13.39	14.88
4850	NASDAQ	PKOH	Thu, Aug 25, 2011	14.31	14.56	13.51	13.58
4849	NASDAQ	PKOH	Wed, Aug 24, 2011	14.74	14.85	13.73	14.13
4848	NASDAQ	PKOH	Tue, Aug 23, 2011	13.71	14.86	13.47	14.75
4847	NASDAQ	PKOH	Mon, Aug 22, 2011	14.18	14.18	13.23	13.66
4846	NASDAQ	PKOH	Fri, Aug 19, 2011	13.46	14.68	13.37	13.60
4845	NASDAQ	PKOH	Thu, Aug 18, 2011	14.15	14.25	13.70	13.86
4844	NASDAQ	PKOH	Wed, Aug 17, 2011	14.82	15.28	14.53	14.68
4843	NASDAQ	PKOH	Tue, Aug 16, 2011	15.11	15.11	14.54	14.77
4842	NASDAQ	PKOH	Mon, Aug 15, 2011	15.15	15.51	14.71	15.47
4841	NASDAQ	PKOH	Fri, Aug 12, 2011	15.44	15.64	14.60	14.90
4840	NASDAQ	PKOH	Thu, Aug 11, 2011	14.01	15.50	13.90	15.14
4839	NASDAQ	PKOH	Wed, Aug 10, 2011	14.43	15.05	13.78	13.91
4838	NASDAQ	PKOH	Tue, Aug 9, 2011	14.49	15.52	13.81	15.30
4837	NASDAQ	PKOH	Mon, Aug 8, 2011	13.89	14.41	13.37	13.81
4836	NASDAQ	PKOH	Fri, Aug 5, 2011	16.04	16.52	14.74	15.39
4835	NASDAQ	PKOH	Thu, Aug 4, 2011	16.85	17.32	15.54	15.54
4834	NASDAQ	PKOH	Wed, Aug 3, 2011	18.01	18.68	16.94	17.32
4833	NASDAQ	PKOH	Tue, Aug 2, 2011	19.25	19.95	17.83	17.89
4832	NASDAQ	PKOH	Mon, Aug 1, 2011	19.42	19.76	18.40	19.54
4831	NASDAQ	PKOH	Fri, Jul 29, 2011	18.93	19.63	18.42	19.04
4830	NASDAQ	PKOH	Thu, Jul 28, 2011	20.00	21.00	18.95	19.28
4829	NASDAQ	PKOH	Wed, Jul 27, 2011	20.25	20.49	19.43	19.69
4828	NASDAQ	PKOH	Tue, Jul 26, 2011	21.16	21.18	20.39	20.41
4827	NASDAQ	PKOH	Mon, Jul 25, 2011	21.38	21.60	21.20	21.22
4826	NASDAQ	PKOH	Fri, Jul 22, 2011	22.14	22.14	21.75	21.76
4825	NASDAQ	PKOH	Thu, Jul 21, 2011	21.46	22.16	21.25	22.14
4824	NASDAQ	PKOH	Wed, Jul 20, 2011	21.40	21.98	20.59	21.22
4823	NASDAQ	PKOH	Tue, Jul 19, 2011	19.75	21.56	19.75	21.38
4822	NASDAQ	PKOH	Mon, Jul 18, 2011	20.18	20.18	18.94	19.48
4821	NASDAQ	PKOH	Fri, Jul 15, 2011	20.64	20.64	19.80	20.31
4820	NASDAQ	PKOH	Thu, Jul 14, 2011	21.28	21.80	20.38	20.38
4819	NASDAQ	PKOH	Wed, Jul 13, 2011	20.94	21.33	20.94	21.27
4818	NASDAQ	PKOH	Tue, Jul 12, 2011	20.67	20.93	20.03	20.72
4817	NASDAQ	PKOH	Mon, Jul 11, 2011	21.98	22.21	20.62	20.74
4816	NASDAQ	PKOH	Fri, Jul 8, 2011	22.25	22.68	21.69	22.40
4815	NASDAQ	PKOH	Thu, Jul 7, 2011	22.28	23.27	22.00	22.80
4814	NASDAQ	PKOH	Wed, Jul 6, 2011	22.20	22.43	21.60	22.01
4813	NASDAQ	PKOH	Tue, Jul 5, 2011	22.28	22.50	21.25	22.23
4812	NASDAQ	PKOH	Fri, Jul 1, 2011	21.07	22.20	21.06	22.14
4811	NASDAQ	PKOH	Thu, Jun 30, 2011	20.74	21.51	20.42	21.14
4810	NASDAQ	PKOH	Wed, Jun 29, 2011	20.52	20.94	20.35	20.60
4809	NASDAQ	PKOH	Tue, Jun 28, 2011	20.24	20.50	19.74	20.50
4808	NASDAQ	PKOH	Mon, Jun 27, 2011	19.72	20.34	18.90	20.18
4807	NASDAQ	PKOH	Fri, Jun 24, 2011	19.71	20.08	19.32	19.91
4806	NASDAQ	PKOH	Thu, Jun 23, 2011	19.34	20.02	18.95	19.60
4805	NASDAQ	PKOH	Wed, Jun 22, 2011	19.54	20.20	19.54	19.74
4804	NASDAQ	PKOH	Tue, Jun 21, 2011	18.95	19.82	18.75	19.72
4803	NASDAQ	PKOH	Mon, Jun 20, 2011	18.34	18.82	18.34	18.65
4802	NASDAQ	PKOH	Fri, Jun 17, 2011	18.17	18.55	18.03	18.51
4801	NASDAQ	PKOH	Thu, Jun 16, 2011	18.03	18.70	17.46	17.97
4800	NASDAQ	PKOH	Wed, Jun 15, 2011	18.77	19.04	17.75	18.03
4799	NASDAQ	PKOH	Tue, Jun 14, 2011	18.75	19.37	18.75	19.11
4798	NASDAQ	PKOH	Mon, Jun 13, 2011	18.66	18.83	18.00	18.41
4797	NASDAQ	PKOH	Fri, Jun 10, 2011	18.92	19.21	18.31	18.54
4796	NASDAQ	PKOH	Thu, Jun 9, 2011	18.68	19.47	18.41	19.10
4795	NASDAQ	PKOH	Wed, Jun 8, 2011	18.32	18.94	18.32	18.53
4794	NASDAQ	PKOH	Tue, Jun 7, 2011	18.65	18.83	18.10	18.42
4793	NASDAQ	PKOH	Mon, Jun 6, 2011	19.49	19.70	18.37	18.46
4792	NASDAQ	PKOH	Fri, Jun 3, 2011	19.48	19.88	19.12	19.50
4791	NASDAQ	PKOH	Thu, Jun 2, 2011	19.95	20.32	19.91	20.08
4790	NASDAQ	PKOH	Wed, Jun 1, 2011	21.13	21.20	19.76	19.97
4789	NASDAQ	PKOH	Tue, May 31, 2011	22.04	22.04	21.06	21.26
4788	NASDAQ	PKOH	Fri, May 27, 2011	21.12	21.90	21.10	21.44
4787	NASDAQ	PKOH	Thu, May 26, 2011	20.61	21.01	20.57	20.90
4786	NASDAQ	PKOH	Wed, May 25, 2011	19.89	20.92	19.89	20.70
4785	NASDAQ	PKOH	Tue, May 24, 2011	20.14	20.75	19.94	20.09
4784	NASDAQ	PKOH	Mon, May 23, 2011	20.54	20.55	19.94	19.94
4783	NASDAQ	PKOH	Fri, May 20, 2011	21.75	22.08	21.06	21.09
4782	NASDAQ	PKOH	Thu, May 19, 2011	22.71	22.83	21.83	22.03
4781	NASDAQ	PKOH	Wed, May 18, 2011	21.81	22.66	21.31	22.45
4780	NASDAQ	PKOH	Tue, May 17, 2011	22.58	22.94	21.88	22.08
4779	NASDAQ	PKOH	Mon, May 16, 2011	24.00	24.40	22.60	22.65
4778	NASDAQ	PKOH	Fri, May 13, 2011	23.65	23.73	22.40	22.78
4777	NASDAQ	PKOH	Thu, May 12, 2011	23.45	24.00	23.18	23.70
4776	NASDAQ	PKOH	Wed, May 11, 2011	23.64	23.98	23.23	23.55
4775	NASDAQ	PKOH	Tue, May 10, 2011	22.35	24.02	22.25	23.87
4774	NASDAQ	PKOH	Mon, May 9, 2011	19.46	20.02	19.05	20.01
4773	NASDAQ	PKOH	Fri, May 6, 2011	18.96	19.92	18.85	19.37
4772	NASDAQ	PKOH	Thu, May 5, 2011	18.89	19.43	18.66	19.01
4771	NASDAQ	PKOH	Wed, May 4, 2011	20.00	20.12	19.06	19.16
4770	NASDAQ	PKOH	Tue, May 3, 2011	20.73	20.80	19.77	20.05
4769	NASDAQ	PKOH	Mon, May 2, 2011	21.43	21.60	20.65	20.73
4768	NASDAQ	PKOH	Fri, Apr 29, 2011	21.04	21.51	20.99	21.32
4767	NASDAQ	PKOH	Thu, Apr 28, 2011	19.86	21.06	19.86	21.02
4766	NASDAQ	PKOH	Wed, Apr 27, 2011	19.63	19.94	19.42	19.83
4765	NASDAQ	PKOH	Tue, Apr 26, 2011	19.77	19.78	19.46	19.67
4764	NASDAQ	PKOH	Mon, Apr 25, 2011	19.65	19.71	19.45	19.61
4763	NASDAQ	PKOH	Thu, Apr 21, 2011	19.88	19.88	19.18	19.70
4762	NASDAQ	PKOH	Wed, Apr 20, 2011	19.93	19.93	19.53	19.73
4761	NASDAQ	PKOH	Tue, Apr 19, 2011	19.57	19.61	18.77	19.45
4760	NASDAQ	PKOH	Mon, Apr 18, 2011	18.92	19.55	18.77	19.48
4759	NASDAQ	PKOH	Fri, Apr 15, 2011	19.14	19.58	18.89	19.51
4758	NASDAQ	PKOH	Thu, Apr 14, 2011	18.85	19.42	18.85	19.20
4757	NASDAQ	PKOH	Wed, Apr 13, 2011	18.74	19.38	18.68	19.06
4756	NASDAQ	PKOH	Tue, Apr 12, 2011	18.61	18.79	18.32	18.35
4755	NASDAQ	PKOH	Mon, Apr 11, 2011	19.15	19.15	18.64	18.93
4754	NASDAQ	PKOH	Fri, Apr 8, 2011	19.97	19.97	18.99	19.22
4753	NASDAQ	PKOH	Thu, Apr 7, 2011	20.30	20.51	19.76	19.77
4752	NASDAQ	PKOH	Wed, Apr 6, 2011	20.17	20.45	19.34	20.26
4751	NASDAQ	PKOH	Tue, Apr 5, 2011	20.51	20.66	19.82	19.95
4750	NASDAQ	PKOH	Mon, Apr 4, 2011	20.61	20.84	20.50	20.64
4749	NASDAQ	PKOH	Fri, Apr 1, 2011	20.87	21.13	20.56	20.56
4748	NASDAQ	PKOH	Thu, Mar 31, 2011	20.85	20.87	20.48	20.66
4747	NASDAQ	PKOH	Wed, Mar 30, 2011	20.55	20.88	20.16	20.87
4746	NASDAQ	PKOH	Tue, Mar 29, 2011	19.75	20.47	19.44	20.36
4745	NASDAQ	PKOH	Mon, Mar 28, 2011	20.16	20.16	19.69	19.69
4744	NASDAQ	PKOH	Fri, Mar 25, 2011	19.84	20.57	19.79	19.99
4743	NASDAQ	PKOH	Thu, Mar 24, 2011	19.84	20.21	19.61	19.71
4742	NASDAQ	PKOH	Wed, Mar 23, 2011	20.23	20.23	19.32	19.72
4741	NASDAQ	PKOH	Tue, Mar 22, 2011	20.09	20.99	20.09	20.39
4740	NASDAQ	PKOH	Mon, Mar 21, 2011	19.78	20.23	19.65	20.22
4739	NASDAQ	PKOH	Fri, Mar 18, 2011	18.89	19.70	18.77	19.57
4738	NASDAQ	PKOH	Thu, Mar 17, 2011	18.87	18.87	18.44	18.56
4737	NASDAQ	PKOH	Wed, Mar 16, 2011	17.98	18.78	17.64	18.45
4736	NASDAQ	PKOH	Tue, Mar 15, 2011	17.06	18.18	16.95	17.98
4735	NASDAQ	PKOH	Mon, Mar 14, 2011	19.18	19.18	17.85	17.88
4734	NASDAQ	PKOH	Fri, Mar 11, 2011	19.69	20.08	19.01	19.19
4733	NASDAQ	PKOH	Thu, Mar 10, 2011	20.29	20.32	19.42	19.76
4732	NASDAQ	PKOH	Wed, Mar 9, 2011	20.97	21.16	20.34	20.78
4731	NASDAQ	PKOH	Tue, Mar 8, 2011	20.50	21.03	19.76	20.98
4730	NASDAQ	PKOH	Mon, Mar 7, 2011	22.01	22.05	19.90	20.60
4729	NASDAQ	PKOH	Fri, Mar 4, 2011	22.21	22.38	21.81	22.14
4728	NASDAQ	PKOH	Thu, Mar 3, 2011	21.31	22.58	21.31	22.38
4727	NASDAQ	PKOH	Wed, Mar 2, 2011	20.70	21.09	20.25	21.03
4726	NASDAQ	PKOH	Tue, Mar 1, 2011	22.08	22.67	20.56	20.62
4725	NASDAQ	PKOH	Mon, Feb 28, 2011	22.88	23.05	21.33	22.07
4724	NASDAQ	PKOH	Fri, Feb 25, 2011	21.95	22.85	21.61	22.78
4723	NASDAQ	PKOH	Thu, Feb 24, 2011	19.23	21.93	18.71	21.93
4722	NASDAQ	PKOH	Wed, Feb 23, 2011	21.99	22.03	18.99	19.27
4721	NASDAQ	PKOH	Tue, Feb 22, 2011	22.46	22.82	21.94	21.96
4720	NASDAQ	PKOH	Fri, Feb 18, 2011	22.56	23.46	22.48	22.71
4719	NASDAQ	PKOH	Thu, Feb 17, 2011	22.85	23.16	22.42	22.50
4718	NASDAQ	PKOH	Wed, Feb 16, 2011	23.17	23.54	22.80	22.85
4717	NASDAQ	PKOH	Tue, Feb 15, 2011	23.05	23.53	22.69	22.72
4716	NASDAQ	PKOH	Mon, Feb 14, 2011	23.31	23.48	23.02	23.05
4715	NASDAQ	PKOH	Fri, Feb 11, 2011	23.03	23.59	22.59	23.22
4714	NASDAQ	PKOH	Thu, Feb 10, 2011	23.42	24.19	23.07	23.10
4713	NASDAQ	PKOH	Wed, Feb 9, 2011	23.12	24.48	22.87	23.66
4712	NASDAQ	PKOH	Tue, Feb 8, 2011	23.01	23.58	22.57	23.28
4711	NASDAQ	PKOH	Mon, Feb 7, 2011	22.40	23.45	22.36	23.14
4710	NASDAQ	PKOH	Fri, Feb 4, 2011	22.41	22.41	21.58	22.23
4709	NASDAQ	PKOH	Thu, Feb 3, 2011	21.55	22.41	21.25	22.40
4708	NASDAQ	PKOH	Wed, Feb 2, 2011	20.41	21.72	20.17	21.46
4707	NASDAQ	PKOH	Tue, Feb 1, 2011	20.73	20.84	19.95	20.43
4706	NASDAQ	PKOH	Mon, Jan 31, 2011	21.30	21.74	20.50	20.56
4705	NASDAQ	PKOH	Fri, Jan 28, 2011	22.55	23.00	21.00	21.25
4704	NASDAQ	PKOH	Thu, Jan 27, 2011	21.54	22.60	21.18	22.44
4703	NASDAQ	PKOH	Wed, Jan 26, 2011	21.44	21.91	21.28	21.42
4702	NASDAQ	PKOH	Tue, Jan 25, 2011	21.72	21.77	21.18	21.20
4701	NASDAQ	PKOH	Mon, Jan 24, 2011	21.32	22.14	21.16	21.94
4700	NASDAQ	PKOH	Fri, Jan 21, 2011	21.36	21.96	21.18	21.20
4699	NASDAQ	PKOH	Thu, Jan 20, 2011	22.65	22.88	21.14	21.14
4698	NASDAQ	PKOH	Wed, Jan 19, 2011	24.17	24.20	22.52	22.73
4697	NASDAQ	PKOH	Tue, Jan 18, 2011	23.92	24.29	23.51	24.20
4696	NASDAQ	PKOH	Fri, Jan 14, 2011	23.60	24.20	23.40	24.13
4695	NASDAQ	PKOH	Thu, Jan 13, 2011	23.17	23.82	23.05	23.49
4694	NASDAQ	PKOH	Wed, Jan 12, 2011	23.30	23.54	23.07	23.12
4693	NASDAQ	PKOH	Tue, Jan 11, 2011	22.99	23.18	22.61	23.07
4692	NASDAQ	PKOH	Mon, Jan 10, 2011	21.90	22.94	21.60	22.81
4691	NASDAQ	PKOH	Fri, Jan 7, 2011	22.75	22.97	21.90	22.08
4690	NASDAQ	PKOH	Thu, Jan 6, 2011	22.07	22.73	21.76	22.58
4689	NASDAQ	PKOH	Wed, Jan 5, 2011	21.97	22.11	21.68	21.92
4688	NASDAQ	PKOH	Tue, Jan 4, 2011	22.95	23.05	20.75	21.88
4687	NASDAQ	PKOH	Mon, Jan 3, 2011	21.12	23.25	21.12	22.87
4686	NASDAQ	PKOH	Fri, Dec 31, 2010	21.36	21.48	20.91	20.91
4685	NASDAQ	PKOH	Thu, Dec 30, 2010	21.27	21.63	20.82	21.37
4684	NASDAQ	PKOH	Wed, Dec 29, 2010	20.62	21.43	20.62	21.24
4683	NASDAQ	PKOH	Tue, Dec 28, 2010	20.96	20.96	20.33	20.43
4682	NASDAQ	PKOH	Mon, Dec 27, 2010	20.58	21.05	20.57	20.86
4681	NASDAQ	PKOH	Thu, Dec 23, 2010	21.07	21.10	20.57	20.57
4680	NASDAQ	PKOH	Wed, Dec 22, 2010	21.17	21.50	20.64	21.10
4679	NASDAQ	PKOH	Tue, Dec 21, 2010	20.14	21.28	20.10	21.18
4678	NASDAQ	PKOH	Mon, Dec 20, 2010	20.09	20.50	19.51	19.92
4677	NASDAQ	PKOH	Fri, Dec 17, 2010	20.07	20.55	19.50	20.10
4676	NASDAQ	PKOH	Thu, Dec 16, 2010	22.38	22.80	20.00	20.12
4675	NASDAQ	PKOH	Wed, Dec 15, 2010	22.71	22.90	21.99	22.36
4674	NASDAQ	PKOH	Tue, Dec 14, 2010	22.60	22.90	22.41	22.65
4673	NASDAQ	PKOH	Mon, Dec 13, 2010	22.87	23.70	22.49	22.52
4672	NASDAQ	PKOH	Fri, Dec 10, 2010	21.75	22.49	21.69	22.30
4671	NASDAQ	PKOH	Thu, Dec 9, 2010	21.55	21.90	21.43	21.60
4670	NASDAQ	PKOH	Wed, Dec 8, 2010	21.19	21.47	21.10	21.19
4669	NASDAQ	PKOH	Tue, Dec 7, 2010	20.75	21.25	20.59	20.97
4668	NASDAQ	PKOH	Mon, Dec 6, 2010	20.26	21.01	20.11	20.39
4667	NASDAQ	PKOH	Fri, Dec 3, 2010	19.59	20.50	19.52	20.33
4666	NASDAQ	PKOH	Thu, Dec 2, 2010	19.70	20.00	19.30	19.78
4665	NASDAQ	PKOH	Wed, Dec 1, 2010	19.75	19.87	19.44	19.74
4664	NASDAQ	PKOH	Tue, Nov 30, 2010	19.14	19.69	18.93	19.33
4663	NASDAQ	PKOH	Mon, Nov 29, 2010	19.20	19.40	18.42	19.25
4662	NASDAQ	PKOH	Fri, Nov 26, 2010	19.58	19.62	19.20	19.30
4661	NASDAQ	PKOH	Wed, Nov 24, 2010	18.89	19.96	18.43	19.79
4660	NASDAQ	PKOH	Tue, Nov 23, 2010	18.45	18.69	18.19	18.58
4659	NASDAQ	PKOH	Mon, Nov 22, 2010	18.14	18.90	18.14	18.84
4658	NASDAQ	PKOH	Fri, Nov 19, 2010	17.81	18.58	17.75	18.28
4657	NASDAQ	PKOH	Thu, Nov 18, 2010	17.45	18.02	17.33	17.80
4656	NASDAQ	PKOH	Wed, Nov 17, 2010	17.13	17.39	16.92	17.16
4655	NASDAQ	PKOH	Tue, Nov 16, 2010	17.66	17.73	16.85	17.12
4654	NASDAQ	PKOH	Mon, Nov 15, 2010	17.61	18.47	17.61	17.90
4653	NASDAQ	PKOH	Fri, Nov 12, 2010	18.51	18.58	17.41	17.41
4652	NASDAQ	PKOH	Thu, Nov 11, 2010	18.73	19.10	18.28	18.78
4651	NASDAQ	PKOH	Wed, Nov 10, 2010	18.90	19.75	18.54	19.03
4650	NASDAQ	PKOH	Tue, Nov 9, 2010	18.91	18.95	17.77	18.78
4649	NASDAQ	PKOH	Mon, Nov 8, 2010	17.82	17.82	16.81	16.98
4648	NASDAQ	PKOH	Fri, Nov 5, 2010	18.07	18.67	17.69	17.97
4647	NASDAQ	PKOH	Thu, Nov 4, 2010	18.23	19.08	17.41	18.00
4646	NASDAQ	PKOH	Wed, Nov 3, 2010	17.04	17.90	16.06	17.90
4645	NASDAQ	PKOH	Tue, Nov 2, 2010	16.36	17.10	16.20	17.07
4644	NASDAQ	PKOH	Mon, Nov 1, 2010	15.91	16.30	15.67	16.00
4643	NASDAQ	PKOH	Fri, Oct 29, 2010	14.93	15.93	14.82	15.89
4642	NASDAQ	PKOH	Thu, Oct 28, 2010	14.97	15.10	14.57	14.98
4641	NASDAQ	PKOH	Wed, Oct 27, 2010	14.57	15.09	14.38	14.76
4640	NASDAQ	PKOH	Tue, Oct 26, 2010	14.80	15.03	14.60	14.73
4639	NASDAQ	PKOH	Mon, Oct 25, 2010	14.32	15.09	14.26	14.95
4638	NASDAQ	PKOH	Fri, Oct 22, 2010	14.35	14.35	14.03	14.21
4637	NASDAQ	PKOH	Thu, Oct 21, 2010	14.55	15.05	13.74	14.24
4636	NASDAQ	PKOH	Wed, Oct 20, 2010	14.55	14.90	14.28	14.47
4635	NASDAQ	PKOH	Tue, Oct 19, 2010	15.10	15.34	14.30	14.49
4634	NASDAQ	PKOH	Mon, Oct 18, 2010	14.63	15.40	14.47	15.39
4633	NASDAQ	PKOH	Fri, Oct 15, 2010	14.85	14.85	14.45	14.54
4632	NASDAQ	PKOH	Thu, Oct 14, 2010	14.87	15.11	14.36	14.60
4631	NASDAQ	PKOH	Wed, Oct 13, 2010	14.01	14.94	13.91	14.94
4630	NASDAQ	PKOH	Tue, Oct 12, 2010	13.61	13.96	13.45	13.91
4629	NASDAQ	PKOH	Mon, Oct 11, 2010	13.74	13.90	13.64	13.70
4628	NASDAQ	PKOH	Fri, Oct 8, 2010	13.52	13.95	13.46	13.80
4627	NASDAQ	PKOH	Thu, Oct 7, 2010	13.47	13.71	13.09	13.57
4626	NASDAQ	PKOH	Wed, Oct 6, 2010	13.37	13.48	12.95	13.31
4625	NASDAQ	PKOH	Tue, Oct 5, 2010	13.01	13.44	12.84	13.39
4624	NASDAQ	PKOH	Mon, Oct 4, 2010	13.36	13.37	12.77	12.79
4623	NASDAQ	PKOH	Fri, Oct 1, 2010	13.45	13.65	13.25	13.35
4622	NASDAQ	PKOH	Thu, Sep 30, 2010	13.18	13.45	12.86	13.30
4621	NASDAQ	PKOH	Wed, Sep 29, 2010	12.57	13.10	12.22	13.09
4620	NASDAQ	PKOH	Tue, Sep 28, 2010	12.10	12.71	11.85	12.66
4619	NASDAQ	PKOH	Mon, Sep 27, 2010	11.93	12.58	11.58	12.27
4618	NASDAQ	PKOH	Fri, Sep 24, 2010	11.83	12.05	11.52	12.02
4617	NASDAQ	PKOH	Thu, Sep 23, 2010	11.42	11.82	11.42	11.60
4616	NASDAQ	PKOH	Wed, Sep 22, 2010	11.71	11.88	11.45	11.57
4615	NASDAQ	PKOH	Tue, Sep 21, 2010	11.88	12.13	11.72	11.80
4614	NASDAQ	PKOH	Mon, Sep 20, 2010	11.50	11.97	11.45	11.88
4613	NASDAQ	PKOH	Fri, Sep 17, 2010	11.60	11.79	11.40	11.49
4612	NASDAQ	PKOH	Thu, Sep 16, 2010	11.82	11.82	11.31	11.47
4611	NASDAQ	PKOH	Wed, Sep 15, 2010	11.71	11.80	11.56	11.69
4610	NASDAQ	PKOH	Tue, Sep 14, 2010	11.40	12.16	11.40	11.72
4609	NASDAQ	PKOH	Mon, Sep 13, 2010	11.60	11.86	11.35	11.75
4608	NASDAQ	PKOH	Fri, Sep 10, 2010	11.34	11.78	11.25	11.59
4607	NASDAQ	PKOH	Thu, Sep 9, 2010	11.81	11.81	11.27	11.31
4606	NASDAQ	PKOH	Wed, Sep 8, 2010	11.37	11.70	11.32	11.57
4605	NASDAQ	PKOH	Tue, Sep 7, 2010	11.98	12.18	11.25	11.35
4604	NASDAQ	PKOH	Fri, Sep 3, 2010	12.28	12.50	11.73	12.04
4603	NASDAQ	PKOH	Thu, Sep 2, 2010	12.28	12.51	11.86	12.06
4602	NASDAQ	PKOH	Wed, Sep 1, 2010	11.38	12.30	11.33	12.29
4601	NASDAQ	PKOH	Tue, Aug 31, 2010	11.09	11.33	10.97	11.14
4600	NASDAQ	PKOH	Mon, Aug 30, 2010	11.47	11.74	11.01	11.02
4599	NASDAQ	PKOH	Fri, Aug 27, 2010	11.56	11.87	11.32	11.60
4598	NASDAQ	PKOH	Thu, Aug 26, 2010	11.90	12.10	11.36	11.36
4597	NASDAQ	PKOH	Wed, Aug 25, 2010	11.09	11.85	11.07	11.84
4596	NASDAQ	PKOH	Tue, Aug 24, 2010	11.09	11.84	11.00	11.22
4595	NASDAQ	PKOH	Mon, Aug 23, 2010	12.06	12.25	11.27	11.28
4594	NASDAQ	PKOH	Fri, Aug 20, 2010	11.46	11.98	11.33	11.93
4593	NASDAQ	PKOH	Thu, Aug 19, 2010	12.00	12.00	11.26	11.65
4592	NASDAQ	PKOH	Wed, Aug 18, 2010	11.88	12.20	11.84	12.10
4591	NASDAQ	PKOH	Tue, Aug 17, 2010	12.32	12.36	11.92	12.04
4590	NASDAQ	PKOH	Mon, Aug 16, 2010	11.66	12.19	11.66	12.12
4589	NASDAQ	PKOH	Fri, Aug 13, 2010	12.13	12.19	11.72	11.83
4588	NASDAQ	PKOH	Thu, Aug 12, 2010	11.68	12.35	11.57	12.15
4587	NASDAQ	PKOH	Wed, Aug 11, 2010	12.95	12.95	11.94	11.97
4586	NASDAQ	PKOH	Tue, Aug 10, 2010	13.68	13.87	12.99	13.31
4585	NASDAQ	PKOH	Mon, Aug 9, 2010	13.31	14.01	13.31	13.92
4584	NASDAQ	PKOH	Fri, Aug 6, 2010	13.18	13.50	12.86	13.22
4583	NASDAQ	PKOH	Thu, Aug 5, 2010	13.84	13.84	13.18	13.45
4582	NASDAQ	PKOH	Wed, Aug 4, 2010	13.15	14.02	13.14	14.02
4581	NASDAQ	PKOH	Tue, Aug 3, 2010	13.91	13.91	13.02	13.02
4580	NASDAQ	PKOH	Mon, Aug 2, 2010	13.76	13.98	13.34	13.94
4579	NASDAQ	PKOH	Fri, Jul 30, 2010	11.91	13.69	11.91	13.55
4578	NASDAQ	PKOH	Thu, Jul 29, 2010	12.57	12.76	11.67	12.15
4577	NASDAQ	PKOH	Wed, Jul 28, 2010	13.08	13.40	11.99	12.33
4576	NASDAQ	PKOH	Tue, Jul 27, 2010	13.04	13.30	12.78	13.08
4575	NASDAQ	PKOH	Mon, Jul 26, 2010	12.08	12.90	12.08	12.86
4574	NASDAQ	PKOH	Fri, Jul 23, 2010	11.25	12.12	11.16	12.07
4573	NASDAQ	PKOH	Thu, Jul 22, 2010	10.70	11.58	10.64	11.33
4572	NASDAQ	PKOH	Wed, Jul 21, 2010	10.92	11.24	10.52	10.53
4571	NASDAQ	PKOH	Tue, Jul 20, 2010	10.19	10.97	10.01	10.86
4570	NASDAQ	PKOH	Mon, Jul 19, 2010	11.32	11.45	10.49	10.60
4569	NASDAQ	PKOH	Fri, Jul 16, 2010	12.86	12.86	10.94	11.26
4568	NASDAQ	PKOH	Thu, Jul 15, 2010	13.36	13.36	12.83	13.04
4567	NASDAQ	PKOH	Wed, Jul 14, 2010	13.86	13.95	13.43	13.52
4566	NASDAQ	PKOH	Tue, Jul 13, 2010	13.77	13.99	13.53	13.97
4565	NASDAQ	PKOH	Mon, Jul 12, 2010	13.93	14.09	13.26	13.50
4564	NASDAQ	PKOH	Fri, Jul 9, 2010	13.93	14.08	13.48	14.07
4563	NASDAQ	PKOH	Thu, Jul 8, 2010	14.00	14.13	13.71	14.00
4562	NASDAQ	PKOH	Wed, Jul 7, 2010	13.04	13.90	12.98	13.85
4561	NASDAQ	PKOH	Tue, Jul 6, 2010	13.90	14.02	13.02	13.07
4560	NASDAQ	PKOH	Fri, Jul 2, 2010	15.48	15.48	13.56	13.85
4559	NASDAQ	PKOH	Thu, Jul 1, 2010	14.28	15.66	14.13	15.26
4558	NASDAQ	PKOH	Wed, Jun 30, 2010	15.00	15.00	14.26	14.39
4557	NASDAQ	PKOH	Tue, Jun 29, 2010	15.69	15.90	15.01	15.09
4556	NASDAQ	PKOH	Mon, Jun 28, 2010	15.64	16.10	15.48	15.95
4555	NASDAQ	PKOH	Fri, Jun 25, 2010	15.65	15.98	14.95	15.67
4554	NASDAQ	PKOH	Thu, Jun 24, 2010	15.11	16.10	14.95	15.28
4553	NASDAQ	PKOH	Wed, Jun 23, 2010	15.32	15.71	14.83	15.16
4552	NASDAQ	PKOH	Tue, Jun 22, 2010	15.89	16.00	15.33	15.45
4551	NASDAQ	PKOH	Mon, Jun 21, 2010	16.14	16.40	15.70	15.77
4550	NASDAQ	PKOH	Fri, Jun 18, 2010	15.68	15.90	15.51	15.67
4549	NASDAQ	PKOH	Thu, Jun 17, 2010	15.76	15.80	15.37	15.57
4548	NASDAQ	PKOH	Wed, Jun 16, 2010	15.71	15.80	15.41	15.56
4547	NASDAQ	PKOH	Tue, Jun 15, 2010	15.01	15.76	14.92	15.44
4546	NASDAQ	PKOH	Mon, Jun 14, 2010	14.70	15.08	14.70	15.00
4545	NASDAQ	PKOH	Fri, Jun 11, 2010	13.45	14.25	13.45	14.15
4544	NASDAQ	PKOH	Thu, Jun 10, 2010	12.86	13.61	12.86	13.60
4543	NASDAQ	PKOH	Wed, Jun 9, 2010	13.30	14.24	12.73	12.85
4542	NASDAQ	PKOH	Tue, Jun 8, 2010	13.17	13.86	13.14	13.26
4541	NASDAQ	PKOH	Mon, Jun 7, 2010	13.87	14.16	13.60	13.68
4540	NASDAQ	PKOH	Fri, Jun 4, 2010	14.31	15.00	12.68	13.73
4539	NASDAQ	PKOH	Thu, Jun 3, 2010	14.35	15.23	14.35	14.72
4538	NASDAQ	PKOH	Wed, Jun 2, 2010	14.26	14.48	14.16	14.35
4537	NASDAQ	PKOH	Tue, Jun 1, 2010	14.66	14.66	14.22	14.22
4536	NASDAQ	PKOH	Fri, May 28, 2010	14.35	14.73	13.93	14.65
4535	NASDAQ	PKOH	Thu, May 27, 2010	14.16	14.74	14.01	14.73
4534	NASDAQ	PKOH	Wed, May 26, 2010	13.72	14.15	13.09	13.86
4533	NASDAQ	PKOH	Tue, May 25, 2010	13.41	13.76	12.34	13.08
4532	NASDAQ	PKOH	Mon, May 24, 2010	13.40	14.00	13.40	13.80
4531	NASDAQ	PKOH	Fri, May 21, 2010	12.62	13.74	12.55	13.38
4530	NASDAQ	PKOH	Thu, May 20, 2010	13.54	13.57	12.50	13.14
4529	NASDAQ	PKOH	Wed, May 19, 2010	14.15	14.15	13.54	13.80
4528	NASDAQ	PKOH	Tue, May 18, 2010	14.51	14.68	14.00	14.25
4527	NASDAQ	PKOH	Mon, May 17, 2010	14.09	14.23	13.45	14.21
4526	NASDAQ	PKOH	Fri, May 14, 2010	14.08	14.35	13.18	13.76
4525	NASDAQ	PKOH	Thu, May 13, 2010	14.23	14.61	13.84	14.00
4524	NASDAQ	PKOH	Wed, May 12, 2010	13.56	14.24	13.43	14.14
4523	NASDAQ	PKOH	Tue, May 11, 2010	13.63	13.63	12.83	13.46
4522	NASDAQ	PKOH	Mon, May 10, 2010	13.13	13.53	12.66	13.46
4521	NASDAQ	PKOH	Fri, May 7, 2010	13.06	13.81	12.18	12.50
4520	NASDAQ	PKOH	Thu, May 6, 2010	13.50	13.50	12.31	12.74
4519	NASDAQ	PKOH	Wed, May 5, 2010	12.89	13.80	12.22	13.67
4518	NASDAQ	PKOH	Tue, May 4, 2010	13.89	13.89	12.82	13.37
4517	NASDAQ	PKOH	Mon, May 3, 2010	12.80	13.95	12.80	13.55
4516	NASDAQ	PKOH	Fri, Apr 30, 2010	14.00	14.23	12.60	12.87
4515	NASDAQ	PKOH	Thu, Apr 29, 2010	13.51	14.71	13.16	13.69
4514	NASDAQ	PKOH	Wed, Apr 28, 2010	12.25	13.55	12.25	13.27
4513	NASDAQ	PKOH	Tue, Apr 27, 2010	13.77	13.77	11.50	12.08
4512	NASDAQ	PKOH	Mon, Apr 26, 2010	13.63	14.98	13.60	13.71
4511	NASDAQ	PKOH	Fri, Apr 23, 2010	13.03	13.95	13.03	13.54
4510	NASDAQ	PKOH	Thu, Apr 22, 2010	11.55	13.26	11.43	12.98
4509	NASDAQ	PKOH	Wed, Apr 21, 2010	11.14	11.63	10.95	11.60
4508	NASDAQ	PKOH	Tue, Apr 20, 2010	11.20	11.42	11.08	11.18
4507	NASDAQ	PKOH	Mon, Apr 19, 2010	11.17	11.43	10.74	11.06
4506	NASDAQ	PKOH	Fri, Apr 16, 2010	11.40	11.41	11.00	11.13
4505	NASDAQ	PKOH	Thu, Apr 15, 2010	10.95	11.46	10.93	11.42
4504	NASDAQ	PKOH	Wed, Apr 14, 2010	10.84	11.12	10.51	10.99
4503	NASDAQ	PKOH	Tue, Apr 13, 2010	10.34	10.89	10.02	10.78
4502	NASDAQ	PKOH	Mon, Apr 12, 2010	9.95	10.50	9.95	10.48
4501	NASDAQ	PKOH	Fri, Apr 9, 2010	9.88	10.07	9.85	9.85
4500	NASDAQ	PKOH	Thu, Apr 8, 2010	9.98	10.12	9.98	9.98
4499	NASDAQ	PKOH	Wed, Apr 7, 2010	10.01	10.20	9.65	9.90
4498	NASDAQ	PKOH	Tue, Apr 6, 2010	9.76	10.00	9.66	10.00
4497	NASDAQ	PKOH	Mon, Apr 5, 2010	9.33	9.90	9.33	9.88
4496	NASDAQ	PKOH	Thu, Apr 1, 2010	8.95	9.58	8.80	9.29
4495	NASDAQ	PKOH	Wed, Mar 31, 2010	8.65	8.94	8.32	8.74
4494	NASDAQ	PKOH	Tue, Mar 30, 2010	8.15	8.73	8.15	8.68
4493	NASDAQ	PKOH	Mon, Mar 29, 2010	8.30	8.69	8.16	8.17
4492	NASDAQ	PKOH	Fri, Mar 26, 2010	8.41	8.80	8.21	8.25
4491	NASDAQ	PKOH	Thu, Mar 25, 2010	8.60	8.70	8.25	8.25
4490	NASDAQ	PKOH	Wed, Mar 24, 2010	8.63	8.84	8.35	8.39
4489	NASDAQ	PKOH	Tue, Mar 23, 2010	8.46	8.79	8.46	8.57
4488	NASDAQ	PKOH	Mon, Mar 22, 2010	8.83	9.23	8.35	8.35
4487	NASDAQ	PKOH	Fri, Mar 19, 2010	9.79	9.86	8.82	8.82
4486	NASDAQ	PKOH	Thu, Mar 18, 2010	9.64	9.81	9.46	9.69
4485	NASDAQ	PKOH	Wed, Mar 17, 2010	9.74	9.79	9.48	9.70
4484	NASDAQ	PKOH	Tue, Mar 16, 2010	9.52	9.80	9.45	9.70
4483	NASDAQ	PKOH	Mon, Mar 15, 2010	9.82	9.89	9.59	9.75
4482	NASDAQ	PKOH	Fri, Mar 12, 2010	9.75	9.85	9.35	9.68
4481	NASDAQ	PKOH	Thu, Mar 11, 2010	9.85	9.86	9.12	9.74
4480	NASDAQ	PKOH	Wed, Mar 10, 2010	9.76	9.92	9.45	9.75
4479	NASDAQ	PKOH	Tue, Mar 9, 2010	9.10	9.96	9.10	9.62
4478	NASDAQ	PKOH	Mon, Mar 8, 2010	9.11	9.14	8.77	9.01
4477	NASDAQ	PKOH	Fri, Mar 5, 2010	9.29	9.29	8.86	9.11
4476	NASDAQ	PKOH	Thu, Mar 4, 2010	9.16	9.30	8.90	9.24
4475	NASDAQ	PKOH	Wed, Mar 3, 2010	8.67	9.25	8.67	9.04
4474	NASDAQ	PKOH	Tue, Mar 2, 2010	8.22	9.04	8.22	8.97
4473	NASDAQ	PKOH	Mon, Mar 1, 2010	7.93	8.50	7.60	8.50
4472	NASDAQ	PKOH	Fri, Feb 26, 2010	7.84	8.24	7.84	8.02
4471	NASDAQ	PKOH	Thu, Feb 25, 2010	8.30	8.30	8.00	8.20
4470	NASDAQ	PKOH	Wed, Feb 24, 2010	8.46	8.73	8.15	8.20
4469	NASDAQ	PKOH	Tue, Feb 23, 2010	8.52	8.55	7.79	8.34
4468	NASDAQ	PKOH	Mon, Feb 22, 2010	7.84	8.72	7.67	8.41
4467	NASDAQ	PKOH	Fri, Feb 19, 2010	7.49	7.84	7.22	7.83
4466	NASDAQ	PKOH	Thu, Feb 18, 2010	7.23	7.53	6.73	7.40
4465	NASDAQ	PKOH	Wed, Feb 17, 2010	7.77	7.77	7.16	7.39
4464	NASDAQ	PKOH	Tue, Feb 16, 2010	7.71	7.90	7.45	7.73
4463	NASDAQ	PKOH	Fri, Feb 12, 2010	8.10	8.10	7.70	7.73
4462	NASDAQ	PKOH	Thu, Feb 11, 2010	8.24	8.25	7.97	8.20
4461	NASDAQ	PKOH	Wed, Feb 10, 2010	7.83	8.17	7.56	8.00
4460	NASDAQ	PKOH	Tue, Feb 9, 2010	8.19	8.51	7.86	7.86
4459	NASDAQ	PKOH	Mon, Feb 8, 2010	8.46	8.61	8.15	8.19
4458	NASDAQ	PKOH	Fri, Feb 5, 2010	9.17	9.17	8.43	8.46
4457	NASDAQ	PKOH	Thu, Feb 4, 2010	9.10	9.20	8.80	9.08
4456	NASDAQ	PKOH	Wed, Feb 3, 2010	9.05	9.18	8.90	9.15
4455	NASDAQ	PKOH	Tue, Feb 2, 2010	8.87	9.17	8.62	9.07
4454	NASDAQ	PKOH	Mon, Feb 1, 2010	9.00	9.21	8.51	9.08
4453	NASDAQ	PKOH	Fri, Jan 29, 2010	8.45	9.14	8.37	9.14
4452	NASDAQ	PKOH	Thu, Jan 28, 2010	8.76	8.80	8.30	8.67
4451	NASDAQ	PKOH	Wed, Jan 27, 2010	8.99	8.99	8.42	8.78
4450	NASDAQ	PKOH	Tue, Jan 26, 2010	8.64	8.88	8.42	8.87
4449	NASDAQ	PKOH	Mon, Jan 25, 2010	8.53	8.79	7.98	8.67
4448	NASDAQ	PKOH	Fri, Jan 22, 2010	9.39	9.39	8.47	8.47
4447	NASDAQ	PKOH	Thu, Jan 21, 2010	9.24	9.36	9.05	9.28
4446	NASDAQ	PKOH	Wed, Jan 20, 2010	8.93	9.44	8.81	9.15
4445	NASDAQ	PKOH	Tue, Jan 19, 2010	8.61	8.84	8.43	8.82
4444	NASDAQ	PKOH	Fri, Jan 15, 2010	8.12	8.45	7.91	8.45
4443	NASDAQ	PKOH	Thu, Jan 14, 2010	8.23	8.34	7.94	8.28
4442	NASDAQ	PKOH	Wed, Jan 13, 2010	8.07	8.43	7.95	8.40
4441	NASDAQ	PKOH	Tue, Jan 12, 2010	6.66	8.15	6.61	7.99
4440	NASDAQ	PKOH	Mon, Jan 11, 2010	6.18	6.79	6.09	6.73
4439	NASDAQ	PKOH	Fri, Jan 8, 2010	6.00	6.30	5.87	6.20
4438	NASDAQ	PKOH	Thu, Jan 7, 2010	6.03	6.03	5.72	5.97
4437	NASDAQ	PKOH	Wed, Jan 6, 2010	5.89	6.10	5.69	6.01
4436	NASDAQ	PKOH	Tue, Jan 5, 2010	5.84	6.16	5.77	5.95
4435	NASDAQ	PKOH	Mon, Jan 4, 2010	5.75	5.86	5.69	5.85
4434	NASDAQ	PKOH	Thu, Dec 31, 2009	5.70	5.85	5.47	5.65
4433	NASDAQ	PKOH	Wed, Dec 30, 2009	5.49	5.75	5.32	5.69
4432	NASDAQ	PKOH	Tue, Dec 29, 2009	5.60	5.71	5.38	5.63
4431	NASDAQ	PKOH	Mon, Dec 28, 2009	6.15	6.15	5.29	5.80
4430	NASDAQ	PKOH	Thu, Dec 24, 2009	5.84	6.08	5.53	6.08
4429	NASDAQ	PKOH	Wed, Dec 23, 2009	5.97	6.25	5.70	5.83
4428	NASDAQ	PKOH	Tue, Dec 22, 2009	5.61	6.00	5.33	5.96
4427	NASDAQ	PKOH	Mon, Dec 21, 2009	5.51	5.83	5.29	5.55
4426	NASDAQ	PKOH	Fri, Dec 18, 2009	5.78	5.78	5.28	5.43
4425	NASDAQ	PKOH	Thu, Dec 17, 2009	5.80	5.97	5.66	5.71
4424	NASDAQ	PKOH	Wed, Dec 16, 2009	5.90	5.97	5.66	5.86
4423	NASDAQ	PKOH	Tue, Dec 15, 2009	5.97	6.30	5.68	5.91
4422	NASDAQ	PKOH	Mon, Dec 14, 2009	5.36	5.88	5.25	5.80
4421	NASDAQ	PKOH	Fri, Dec 11, 2009	5.17	5.43	5.05	5.43
4420	NASDAQ	PKOH	Thu, Dec 10, 2009	5.40	5.40	5.07	5.19
4419	NASDAQ	PKOH	Wed, Dec 9, 2009	5.49	5.50	5.16	5.29
4418	NASDAQ	PKOH	Tue, Dec 8, 2009	5.29	5.51	5.25	5.51
4417	NASDAQ	PKOH	Mon, Dec 7, 2009	4.89	5.29	4.63	5.29
4416	NASDAQ	PKOH	Fri, Dec 4, 2009	4.38	4.70	4.22	4.54
4415	NASDAQ	PKOH	Thu, Dec 3, 2009	4.27	4.35	4.16	4.32
4414	NASDAQ	PKOH	Wed, Dec 2, 2009	4.30	4.54	4.01	4.20
4413	NASDAQ	PKOH	Tue, Dec 1, 2009	4.49	4.56	4.16	4.25
4412	NASDAQ	PKOH	Mon, Nov 30, 2009	4.65	4.66	4.38	4.38
4411	NASDAQ	PKOH	Fri, Nov 27, 2009	4.20	4.69	4.20	4.63
4410	NASDAQ	PKOH	Wed, Nov 25, 2009	4.59	4.61	4.30	4.30
4409	NASDAQ	PKOH	Tue, Nov 24, 2009	4.71	4.77	4.50	4.50
4408	NASDAQ	PKOH	Mon, Nov 23, 2009	4.91	5.09	4.71	4.76
4407	NASDAQ	PKOH	Fri, Nov 20, 2009	4.85	5.00	4.75	4.76
4406	NASDAQ	PKOH	Thu, Nov 19, 2009	5.01	5.08	4.75	4.96
4405	NASDAQ	PKOH	Wed, Nov 18, 2009	5.15	5.17	5.04	5.08
4404	NASDAQ	PKOH	Tue, Nov 17, 2009	5.10	5.19	5.07	5.13
4403	NASDAQ	PKOH	Mon, Nov 16, 2009	4.89	5.00	4.75	5.00
4402	NASDAQ	PKOH	Fri, Nov 13, 2009	4.90	5.00	4.75	4.80
4401	NASDAQ	PKOH	Thu, Nov 12, 2009	5.00	5.07	4.57	4.71
4400	NASDAQ	PKOH	Wed, Nov 11, 2009	5.00	5.15	4.93	4.95
4399	NASDAQ	PKOH	Tue, Nov 10, 2009	4.85	5.10	4.85	5.05
4398	NASDAQ	PKOH	Mon, Nov 9, 2009	5.00	5.10	4.80	4.80
4397	NASDAQ	PKOH	Fri, Nov 6, 2009	4.95	5.04	4.85	5.00
4396	NASDAQ	PKOH	Thu, Nov 5, 2009	5.00	5.06	4.95	5.00
4395	NASDAQ	PKOH	Wed, Nov 4, 2009	5.10	5.25	4.87	4.93
4394	NASDAQ	PKOH	Tue, Nov 3, 2009	5.61	5.84	4.91	5.07
4393	NASDAQ	PKOH	Mon, Nov 2, 2009	6.22	6.53	6.22	6.39
4392	NASDAQ	PKOH	Fri, Oct 30, 2009	6.74	6.74	6.22	6.22
4391	NASDAQ	PKOH	Thu, Oct 29, 2009	6.34	6.83	6.21	6.70
4390	NASDAQ	PKOH	Wed, Oct 28, 2009	6.90	7.29	6.33	6.34
4389	NASDAQ	PKOH	Tue, Oct 27, 2009	7.27	7.28	6.76	6.76
4388	NASDAQ	PKOH	Mon, Oct 26, 2009	7.43	7.95	6.72	6.74
4387	NASDAQ	PKOH	Fri, Oct 23, 2009	7.58	7.58	7.25	7.38
4386	NASDAQ	PKOH	Thu, Oct 22, 2009	7.65	7.68	7.25	7.67
4385	NASDAQ	PKOH	Wed, Oct 21, 2009	7.40	7.80	7.35	7.70
4384	NASDAQ	PKOH	Tue, Oct 20, 2009	7.58	7.60	7.35	7.50
4383	NASDAQ	PKOH	Mon, Oct 19, 2009	7.80	7.89	7.40	7.60
4382	NASDAQ	PKOH	Fri, Oct 16, 2009	8.01	8.01	7.61	7.77
4381	NASDAQ	PKOH	Thu, Oct 15, 2009	7.93	7.98	7.80	7.80
4380	NASDAQ	PKOH	Wed, Oct 14, 2009	7.25	8.00	7.25	7.88
4379	NASDAQ	PKOH	Tue, Oct 13, 2009	7.35	7.39	7.07	7.16
4378	NASDAQ	PKOH	Mon, Oct 12, 2009	7.43	7.74	7.31	7.42
4377	NASDAQ	PKOH	Fri, Oct 9, 2009	7.34	7.49	7.29	7.44
4376	NASDAQ	PKOH	Thu, Oct 8, 2009	7.84	7.94	7.38	7.40
4375	NASDAQ	PKOH	Wed, Oct 7, 2009	8.15	8.20	7.60	7.80
4374	NASDAQ	PKOH	Tue, Oct 6, 2009	8.29	8.29	8.06	8.19
4373	NASDAQ	PKOH	Mon, Oct 5, 2009	8.30	8.33	8.10	8.32
4372	NASDAQ	PKOH	Fri, Oct 2, 2009	8.00	8.42	8.00	8.19
4371	NASDAQ	PKOH	Thu, Oct 1, 2009	8.69	8.69	8.26	8.45
4370	NASDAQ	PKOH	Wed, Sep 30, 2009	8.71	8.72	8.50	8.72
4369	NASDAQ	PKOH	Tue, Sep 29, 2009	8.59	8.72	8.59	8.67
4368	NASDAQ	PKOH	Mon, Sep 28, 2009	8.50	8.77	8.50	8.65
4367	NASDAQ	PKOH	Fri, Sep 25, 2009	8.52	8.54	8.45	8.50
4366	NASDAQ	PKOH	Thu, Sep 24, 2009	8.82	8.87	8.49	8.60
4365	NASDAQ	PKOH	Wed, Sep 23, 2009	8.95	8.95	8.75	8.86
4364	NASDAQ	PKOH	Tue, Sep 22, 2009	9.03	9.03	8.82	8.93
4363	NASDAQ	PKOH	Mon, Sep 21, 2009	8.80	9.13	8.16	9.00
4362	NASDAQ	PKOH	Fri, Sep 18, 2009	8.74	9.00	8.55	9.00
4361	NASDAQ	PKOH	Thu, Sep 17, 2009	8.64	8.78	8.64	8.71
4360	NASDAQ	PKOH	Wed, Sep 16, 2009	8.48	8.84	8.43	8.76
4359	NASDAQ	PKOH	Tue, Sep 15, 2009	8.48	8.81	8.00	8.81
4358	NASDAQ	PKOH	Mon, Sep 14, 2009	8.10	8.50	7.72	8.41
4357	NASDAQ	PKOH	Fri, Sep 11, 2009	7.80	8.50	7.30	8.25
4356	NASDAQ	PKOH	Thu, Sep 10, 2009	7.47	8.21	7.47	7.95
4355	NASDAQ	PKOH	Wed, Sep 9, 2009	6.85	7.54	6.83	7.54
4354	NASDAQ	PKOH	Tue, Sep 8, 2009	6.97	6.98	6.50	6.95
4353	NASDAQ	PKOH	Fri, Sep 4, 2009	6.83	6.89	6.38	6.82
4352	NASDAQ	PKOH	Thu, Sep 3, 2009	6.75	6.98	6.55	6.90
4351	NASDAQ	PKOH	Wed, Sep 2, 2009	6.63	6.87	6.50	6.64
4350	NASDAQ	PKOH	Tue, Sep 1, 2009	7.24	7.24	6.72	6.72
4349	NASDAQ	PKOH	Mon, Aug 31, 2009	8.26	8.26	7.20	7.37
4348	NASDAQ	PKOH	Fri, Aug 28, 2009	8.70	8.80	8.48	8.60
4347	NASDAQ	PKOH	Thu, Aug 27, 2009	8.55	8.94	8.55	8.75
4346	NASDAQ	PKOH	Wed, Aug 26, 2009	8.76	8.92	8.51	8.76
4345	NASDAQ	PKOH	Tue, Aug 25, 2009	8.54	9.15	8.51	8.70
4344	NASDAQ	PKOH	Mon, Aug 24, 2009	8.46	9.32	8.27	8.48
4343	NASDAQ	PKOH	Fri, Aug 21, 2009	7.40	8.77	7.28	7.98
4342	NASDAQ	PKOH	Thu, Aug 20, 2009	7.38	7.41	7.16	7.37
4341	NASDAQ	PKOH	Wed, Aug 19, 2009	6.80	7.44	6.79	7.32
4340	NASDAQ	PKOH	Tue, Aug 18, 2009	6.75	7.27	6.69	6.81
4339	NASDAQ	PKOH	Mon, Aug 17, 2009	6.48	6.73	6.39	6.69
4338	NASDAQ	PKOH	Fri, Aug 14, 2009	7.81	7.81	6.34	6.69
4337	NASDAQ	PKOH	Thu, Aug 13, 2009	8.53	8.55	7.60	7.79
4336	NASDAQ	PKOH	Wed, Aug 12, 2009	8.37	8.78	8.15	8.43
4335	NASDAQ	PKOH	Tue, Aug 11, 2009	8.36	8.55	8.17	8.45
4334	NASDAQ	PKOH	Mon, Aug 10, 2009	7.45	8.75	7.30	8.56
4333	NASDAQ	PKOH	Fri, Aug 7, 2009	7.20	7.70	6.97	7.51
4332	NASDAQ	PKOH	Thu, Aug 6, 2009	7.18	7.20	6.98	7.12
4331	NASDAQ	PKOH	Wed, Aug 5, 2009	7.08	7.20	6.83	7.19
4330	NASDAQ	PKOH	Tue, Aug 4, 2009	7.05	7.26	6.39	7.14
4329	NASDAQ	PKOH	Mon, Aug 3, 2009	6.44	7.21	6.44	6.95
4328	NASDAQ	PKOH	Fri, Jul 31, 2009	5.75	6.47	5.44	6.24
4327	NASDAQ	PKOH	Thu, Jul 30, 2009	5.11	5.54	4.90	5.42
4326	NASDAQ	PKOH	Wed, Jul 29, 2009	4.20	5.12	4.14	5.03
4325	NASDAQ	PKOH	Tue, Jul 28, 2009	3.83	3.92	3.51	3.89
4324	NASDAQ	PKOH	Mon, Jul 27, 2009	3.90	4.00	3.76	3.78
4323	NASDAQ	PKOH	Fri, Jul 24, 2009	3.49	3.86	3.39	3.85
4322	NASDAQ	PKOH	Thu, Jul 23, 2009	3.14	3.40	3.11	3.40
4321	NASDAQ	PKOH	Wed, Jul 22, 2009	3.09	3.16	3.00	3.09
4320	NASDAQ	PKOH	Tue, Jul 21, 2009	3.26	3.38	3.05	3.11
4319	NASDAQ	PKOH	Mon, Jul 20, 2009	3.26	3.26	3.06	3.15
4318	NASDAQ	PKOH	Fri, Jul 17, 2009	3.23	3.23	3.17	3.18
4317	NASDAQ	PKOH	Thu, Jul 16, 2009	3.19	3.31	3.19	3.25
4316	NASDAQ	PKOH	Wed, Jul 15, 2009	3.07	3.33	2.80	3.21
4315	NASDAQ	PKOH	Tue, Jul 14, 2009	2.89	3.00	2.75	2.97
4314	NASDAQ	PKOH	Mon, Jul 13, 2009	2.87	2.88	2.85	2.86
4313	NASDAQ	PKOH	Fri, Jul 10, 2009	2.75	2.95	2.75	2.88
4312	NASDAQ	PKOH	Thu, Jul 9, 2009	2.89	2.95	2.69	2.80
4311	NASDAQ	PKOH	Wed, Jul 8, 2009	2.89	2.92	2.76	2.84
4310	NASDAQ	PKOH	Tue, Jul 7, 2009	2.94	3.06	2.75	2.75
4309	NASDAQ	PKOH	Mon, Jul 6, 2009	3.21	3.37	2.99	2.99
4308	NASDAQ	PKOH	Thu, Jul 2, 2009	3.22	3.28	3.04	3.18
4307	NASDAQ	PKOH	Wed, Jul 1, 2009	3.35	3.45	3.12	3.18
4306	NASDAQ	PKOH	Tue, Jun 30, 2009	3.15	3.50	3.12	3.42
4305	NASDAQ	PKOH	Mon, Jun 29, 2009	3.25	3.39	3.02	3.10
4304	NASDAQ	PKOH	Fri, Jun 26, 2009	3.92	3.94	3.24	3.24
4303	NASDAQ	PKOH	Thu, Jun 25, 2009	3.56	3.97	3.51	3.97
4302	NASDAQ	PKOH	Wed, Jun 24, 2009	3.60	3.82	3.46	3.62
4301	NASDAQ	PKOH	Tue, Jun 23, 2009	3.69	3.69	3.36	3.53
4300	NASDAQ	PKOH	Mon, Jun 22, 2009	3.69	3.79	3.60	3.60
4299	NASDAQ	PKOH	Fri, Jun 19, 2009	3.95	3.97	3.70	3.74
4298	NASDAQ	PKOH	Thu, Jun 18, 2009	3.84	3.90	3.70	3.79
4297	NASDAQ	PKOH	Wed, Jun 17, 2009	3.82	3.98	3.75	3.84
4296	NASDAQ	PKOH	Tue, Jun 16, 2009	4.12	4.14	3.72	3.83
4295	NASDAQ	PKOH	Mon, Jun 15, 2009	3.77	4.19	3.77	4.03
4294	NASDAQ	PKOH	Fri, Jun 12, 2009	3.93	4.11	3.72	3.89
4293	NASDAQ	PKOH	Thu, Jun 11, 2009	3.85	4.24	3.74	3.91
4292	NASDAQ	PKOH	Wed, Jun 10, 2009	3.94	4.16	3.78	3.82
4291	NASDAQ	PKOH	Tue, Jun 9, 2009	4.11	4.11	3.74	3.87
4290	NASDAQ	PKOH	Mon, Jun 8, 2009	4.21	4.25	4.01	4.08
4289	NASDAQ	PKOH	Fri, Jun 5, 2009	4.20	4.27	4.04	4.13
4288	NASDAQ	PKOH	Thu, Jun 4, 2009	3.95	4.20	3.92	4.13
4287	NASDAQ	PKOH	Wed, Jun 3, 2009	4.30	4.30	3.80	3.93
4286	NASDAQ	PKOH	Tue, Jun 2, 2009	3.85	4.36	3.72	4.30
4285	NASDAQ	PKOH	Mon, Jun 1, 2009	3.46	3.78	3.46	3.77
4284	NASDAQ	PKOH	Fri, May 29, 2009	3.31	3.62	3.22	3.37
4283	NASDAQ	PKOH	Thu, May 28, 2009	3.65	3.65	3.30	3.31
4282	NASDAQ	PKOH	Wed, May 27, 2009	3.50	3.85	3.33	3.62
4281	NASDAQ	PKOH	Tue, May 26, 2009	3.06	3.56	3.06	3.54
4280	NASDAQ	PKOH	Fri, May 22, 2009	3.07	3.38	3.01	3.07
4279	NASDAQ	PKOH	Thu, May 21, 2009	3.22	3.47	3.00	3.05
4278	NASDAQ	PKOH	Wed, May 20, 2009	3.43	3.53	3.26	3.29
4277	NASDAQ	PKOH	Tue, May 19, 2009	3.60	3.83	3.20	3.27
4276	NASDAQ	PKOH	Mon, May 18, 2009	3.25	3.85	3.12	3.64
4275	NASDAQ	PKOH	Fri, May 15, 2009	3.94	3.95	2.83	3.12
4274	NASDAQ	PKOH	Thu, May 14, 2009	3.94	4.05	3.92	3.96
4273	NASDAQ	PKOH	Wed, May 13, 2009	4.22	4.24	3.90	3.90
4272	NASDAQ	PKOH	Tue, May 12, 2009	4.77	4.90	3.99	4.34
4271	NASDAQ	PKOH	Mon, May 11, 2009	4.93	5.06	4.25	4.74
4270	NASDAQ	PKOH	Fri, May 8, 2009	4.92	5.21	4.84	5.21
4269	NASDAQ	PKOH	Thu, May 7, 2009	4.82	5.24	4.61	4.70
4268	NASDAQ	PKOH	Wed, May 6, 2009	4.53	5.04	4.53	4.70
4267	NASDAQ	PKOH	Tue, May 5, 2009	4.13	4.75	4.13	4.44
4266	NASDAQ	PKOH	Mon, May 4, 2009	4.35	4.36	4.08	4.13
4265	NASDAQ	PKOH	Fri, May 1, 2009	4.67	4.70	4.15	4.20
4264	NASDAQ	PKOH	Thu, Apr 30, 2009	4.52	4.69	4.52	4.65
4263	NASDAQ	PKOH	Wed, Apr 29, 2009	4.04	4.50	4.04	4.45
4262	NASDAQ	PKOH	Tue, Apr 28, 2009	3.97	4.29	3.97	4.06
4261	NASDAQ	PKOH	Mon, Apr 27, 2009	4.12	4.12	3.95	3.99
4260	NASDAQ	PKOH	Fri, Apr 24, 2009	3.93	4.40	3.93	4.28
4259	NASDAQ	PKOH	Thu, Apr 23, 2009	4.23	4.42	4.04	4.16
4258	NASDAQ	PKOH	Wed, Apr 22, 2009	4.01	4.39	3.86	4.24
4257	NASDAQ	PKOH	Tue, Apr 21, 2009	3.86	4.17	3.83	4.10
4256	NASDAQ	PKOH	Mon, Apr 20, 2009	4.44	4.55	3.84	3.87
4255	NASDAQ	PKOH	Fri, Apr 17, 2009	4.10	4.50	4.03	4.39
4254	NASDAQ	PKOH	Thu, Apr 16, 2009	3.95	4.10	3.71	4.09
4253	NASDAQ	PKOH	Wed, Apr 15, 2009	3.85	3.94	3.63	3.94
4252	NASDAQ	PKOH	Tue, Apr 14, 2009	3.89	3.96	3.63	3.78
4251	NASDAQ	PKOH	Mon, Apr 13, 2009	3.85	4.00	3.74	4.00
4250	NASDAQ	PKOH	Thu, Apr 9, 2009	3.65	3.96	3.52	3.94
4249	NASDAQ	PKOH	Wed, Apr 8, 2009	3.47	3.60	3.46	3.60
4248	NASDAQ	PKOH	Tue, Apr 7, 2009	3.38	3.60	3.26	3.44
4247	NASDAQ	PKOH	Mon, Apr 6, 2009	3.00	3.50	3.00	3.47
4246	NASDAQ	PKOH	Fri, Apr 3, 2009	3.00	3.21	3.00	3.13
4245	NASDAQ	PKOH	Thu, Apr 2, 2009	2.99	3.07	2.85	3.00
4244	NASDAQ	PKOH	Wed, Apr 1, 2009	3.25	3.25	2.67	2.85
4243	NASDAQ	PKOH	Tue, Mar 31, 2009	3.04	3.29	3.04	3.26
4242	NASDAQ	PKOH	Mon, Mar 30, 2009	3.18	3.70	2.92	2.97
4241	NASDAQ	PKOH	Fri, Mar 27, 2009	4.05	4.05	3.12	3.12
4240	NASDAQ	PKOH	Thu, Mar 26, 2009	3.30	4.33	3.30	4.18
4239	NASDAQ	PKOH	Wed, Mar 25, 2009	3.03	3.30	3.00	3.21
4238	NASDAQ	PKOH	Tue, Mar 24, 2009	3.33	3.39	3.00	3.00
4237	NASDAQ	PKOH	Mon, Mar 23, 2009	3.42	3.45	3.27	3.42
4236	NASDAQ	PKOH	Fri, Mar 20, 2009	3.09	3.41	3.02	3.21
4235	NASDAQ	PKOH	Thu, Mar 19, 2009	3.35	3.64	3.00	3.04
4234	NASDAQ	PKOH	Wed, Mar 18, 2009	3.38	3.85	3.23	3.30
4233	NASDAQ	PKOH	Tue, Mar 17, 2009	3.44	3.90	3.14	3.39
4232	NASDAQ	PKOH	Mon, Mar 16, 2009	3.47	3.63	3.38	3.43
4231	NASDAQ	PKOH	Fri, Mar 13, 2009	2.30	3.55	2.30	3.49
4230	NASDAQ	PKOH	Thu, Mar 12, 2009	1.85	2.31	1.83	2.26
4229	NASDAQ	PKOH	Wed, Mar 11, 2009	2.71	2.71	1.65	1.84
4228	NASDAQ	PKOH	Tue, Mar 10, 2009	1.77	2.95	1.75	2.67
4227	NASDAQ	PKOH	Mon, Mar 9, 2009	1.96	1.98	1.74	1.83
4226	NASDAQ	PKOH	Fri, Mar 6, 2009	2.07	2.26	1.93	1.99
4225	NASDAQ	PKOH	Thu, Mar 5, 2009	2.44	2.48	2.08	2.13
4224	NASDAQ	PKOH	Wed, Mar 4, 2009	2.63	2.78	2.31	2.44
4223	NASDAQ	PKOH	Tue, Mar 3, 2009	2.83	2.99	2.54	2.54
4222	NASDAQ	PKOH	Mon, Mar 2, 2009	3.47	3.47	2.86	2.92
4221	NASDAQ	PKOH	Fri, Feb 27, 2009	3.57	3.70	3.54	3.57
4220	NASDAQ	PKOH	Thu, Feb 26, 2009	3.82	3.83	3.55	3.67
4219	NASDAQ	PKOH	Wed, Feb 25, 2009	3.61	3.89	3.60	3.79
4218	NASDAQ	PKOH	Tue, Feb 24, 2009	3.46	4.14	3.39	4.08
4217	NASDAQ	PKOH	Mon, Feb 23, 2009	3.91	3.98	3.39	3.40
4216	NASDAQ	PKOH	Fri, Feb 20, 2009	3.83	3.95	3.71	3.85
4215	NASDAQ	PKOH	Thu, Feb 19, 2009	3.85	3.96	3.68	3.92
4214	NASDAQ	PKOH	Wed, Feb 18, 2009	3.76	3.87	3.73	3.79
4213	NASDAQ	PKOH	Tue, Feb 17, 2009	3.77	3.91	3.71	3.87
4212	NASDAQ	PKOH	Fri, Feb 13, 2009	3.80	3.91	3.75	3.82
4211	NASDAQ	PKOH	Thu, Feb 12, 2009	3.80	3.84	3.68	3.79
4210	NASDAQ	PKOH	Wed, Feb 11, 2009	3.96	4.03	3.72	3.89
4209	NASDAQ	PKOH	Tue, Feb 10, 2009	3.96	4.07	3.64	3.87
4208	NASDAQ	PKOH	Mon, Feb 9, 2009	3.90	4.10	3.90	3.96
4207	NASDAQ	PKOH	Fri, Feb 6, 2009	3.79	3.95	3.56	3.87
4206	NASDAQ	PKOH	Thu, Feb 5, 2009	3.54	3.74	3.50	3.71
4205	NASDAQ	PKOH	Wed, Feb 4, 2009	3.76	3.76	3.50	3.59
4204	NASDAQ	PKOH	Tue, Feb 3, 2009	3.89	3.89	3.52	3.77
4203	NASDAQ	PKOH	Mon, Feb 2, 2009	3.70	3.99	3.70	3.88
4202	NASDAQ	PKOH	Fri, Jan 30, 2009	3.65	3.93	3.65	3.68
4201	NASDAQ	PKOH	Thu, Jan 29, 2009	3.69	3.86	3.52	3.60
4200	NASDAQ	PKOH	Wed, Jan 28, 2009	3.58	3.87	3.58	3.72
4199	NASDAQ	PKOH	Tue, Jan 27, 2009	3.68	3.80	3.08	3.58
4198	NASDAQ	PKOH	Mon, Jan 26, 2009	4.00	4.10	3.60	3.65
4197	NASDAQ	PKOH	Fri, Jan 23, 2009	4.05	4.30	3.88	3.88
4196	NASDAQ	PKOH	Thu, Jan 22, 2009	4.25	4.45	4.21	4.22
4195	NASDAQ	PKOH	Wed, Jan 21, 2009	4.20	4.42	3.91	4.41
4194	NASDAQ	PKOH	Tue, Jan 20, 2009	4.72	4.80	4.10	4.10
4193	NASDAQ	PKOH	Fri, Jan 16, 2009	5.28	5.28	4.72	4.84
4192	NASDAQ	PKOH	Thu, Jan 15, 2009	4.77	5.27	4.52	5.25
4191	NASDAQ	PKOH	Wed, Jan 14, 2009	4.75	4.87	4.75	4.76
4190	NASDAQ	PKOH	Tue, Jan 13, 2009	4.75	5.00	4.75	4.77
4189	NASDAQ	PKOH	Mon, Jan 12, 2009	5.31	5.31	4.72	4.75
4188	NASDAQ	PKOH	Fri, Jan 9, 2009	6.12	6.12	5.18	5.32
4187	NASDAQ	PKOH	Thu, Jan 8, 2009	5.80	6.19	5.79	6.13
4186	NASDAQ	PKOH	Wed, Jan 7, 2009	6.11	6.27	5.70	5.77
4185	NASDAQ	PKOH	Tue, Jan 6, 2009	5.81	6.34	5.77	6.11
4184	NASDAQ	PKOH	Mon, Jan 5, 2009	6.46	6.46	5.62	5.75
4183	NASDAQ	PKOH	Fri, Jan 2, 2009	6.21	6.63	5.85	6.36
4182	NASDAQ	PKOH	Wed, Dec 31, 2008	5.93	6.25	5.82	6.17
4181	NASDAQ	PKOH	Tue, Dec 30, 2008	5.71	6.00	5.71	5.90
4180	NASDAQ	PKOH	Mon, Dec 29, 2008	6.45	6.68	5.59	5.66
4179	NASDAQ	PKOH	Fri, Dec 26, 2008	6.69	6.80	6.47	6.50
4178	NASDAQ	PKOH	Wed, Dec 24, 2008	6.81	7.01	6.52	6.65
4177	NASDAQ	PKOH	Tue, Dec 23, 2008	7.00	7.00	6.76	6.82
4176	NASDAQ	PKOH	Mon, Dec 22, 2008	6.76	7.06	6.59	6.94
4175	NASDAQ	PKOH	Fri, Dec 19, 2008	6.87	6.96	6.40	6.74
4174	NASDAQ	PKOH	Thu, Dec 18, 2008	7.09	7.09	6.38	6.64
4173	NASDAQ	PKOH	Wed, Dec 17, 2008	6.90	7.17	6.52	6.72
4172	NASDAQ	PKOH	Tue, Dec 16, 2008	6.18	7.02	5.87	7.02
4171	NASDAQ	PKOH	Mon, Dec 15, 2008	5.61	6.39	5.50	6.06
4170	NASDAQ	PKOH	Fri, Dec 12, 2008	5.40	5.60	5.13	5.54
4169	NASDAQ	PKOH	Thu, Dec 11, 2008	5.81	6.19	5.53	5.53
4168	NASDAQ	PKOH	Wed, Dec 10, 2008	5.97	6.51	5.86	5.99
4167	NASDAQ	PKOH	Tue, Dec 9, 2008	6.25	6.64	5.87	5.87
4166	NASDAQ	PKOH	Mon, Dec 8, 2008	5.85	6.57	5.37	6.34
4165	NASDAQ	PKOH	Fri, Dec 5, 2008	4.57	5.59	4.33	5.59
4164	NASDAQ	PKOH	Thu, Dec 4, 2008	4.23	4.75	4.23	4.68
4163	NASDAQ	PKOH	Wed, Dec 3, 2008	3.94	4.32	3.94	4.30
4162	NASDAQ	PKOH	Tue, Dec 2, 2008	4.00	4.11	3.88	4.05
4161	NASDAQ	PKOH	Mon, Dec 1, 2008	4.44	4.45	3.76	3.80
4160	NASDAQ	PKOH	Fri, Nov 28, 2008	4.88	5.03	4.44	4.56
4159	NASDAQ	PKOH	Wed, Nov 26, 2008	4.78	5.00	4.78	4.95
4158	NASDAQ	PKOH	Tue, Nov 25, 2008	5.00	5.00	4.84	4.92
4157	NASDAQ	PKOH	Mon, Nov 24, 2008	4.67	5.31	4.67	4.98
4156	NASDAQ	PKOH	Fri, Nov 21, 2008	4.67	4.68	4.07	4.60
4155	NASDAQ	PKOH	Thu, Nov 20, 2008	4.76	5.24	4.55	4.58
4154	NASDAQ	PKOH	Wed, Nov 19, 2008	5.22	5.98	4.70	4.71
4153	NASDAQ	PKOH	Tue, Nov 18, 2008	5.42	5.52	4.72	5.22
4152	NASDAQ	PKOH	Mon, Nov 17, 2008	5.61	6.13	5.39	5.41
4151	NASDAQ	PKOH	Fri, Nov 14, 2008	5.77	6.24	5.09	5.66
4150	NASDAQ	PKOH	Thu, Nov 13, 2008	4.93	5.92	4.55	5.91
4149	NASDAQ	PKOH	Wed, Nov 12, 2008	5.25	5.49	4.76	4.88
4148	NASDAQ	PKOH	Tue, Nov 11, 2008	6.02	6.23	5.27	5.31
4147	NASDAQ	PKOH	Mon, Nov 10, 2008	6.80	7.26	6.16	6.16
4146	NASDAQ	PKOH	Fri, Nov 7, 2008	6.57	6.83	6.48	6.59
4145	NASDAQ	PKOH	Thu, Nov 6, 2008	7.62	7.62	6.49	6.49
4144	NASDAQ	PKOH	Wed, Nov 5, 2008	8.08	8.30	7.58	7.69
4143	NASDAQ	PKOH	Tue, Nov 4, 2008	8.00	8.38	7.36	8.23
4142	NASDAQ	PKOH	Mon, Nov 3, 2008	7.97	8.13	7.56	7.70
4141	NASDAQ	PKOH	Fri, Oct 31, 2008	7.39	7.65	6.92	7.59
4140	NASDAQ	PKOH	Thu, Oct 30, 2008	7.12	7.34	6.85	7.28
4139	NASDAQ	PKOH	Wed, Oct 29, 2008	6.91	7.34	6.83	6.85
4138	NASDAQ	PKOH	Tue, Oct 28, 2008	6.40	7.16	6.20	6.82
4137	NASDAQ	PKOH	Mon, Oct 27, 2008	6.26	6.63	6.16	6.28
4136	NASDAQ	PKOH	Fri, Oct 24, 2008	6.30	6.56	5.86	6.30
4135	NASDAQ	PKOH	Thu, Oct 23, 2008	7.11	7.23	6.33	6.87
4134	NASDAQ	PKOH	Wed, Oct 22, 2008	7.18	7.51	6.95	7.05
4133	NASDAQ	PKOH	Tue, Oct 21, 2008	7.45	7.87	7.42	7.42
4132	NASDAQ	PKOH	Mon, Oct 20, 2008	7.64	7.69	6.81	7.54
4131	NASDAQ	PKOH	Fri, Oct 17, 2008	8.44	8.74	7.55	7.55
4130	NASDAQ	PKOH	Thu, Oct 16, 2008	7.64	8.93	6.95	8.93
4129	NASDAQ	PKOH	Wed, Oct 15, 2008	9.73	9.98	7.23	7.34
4128	NASDAQ	PKOH	Tue, Oct 14, 2008	9.74	10.76	9.74	9.92
4127	NASDAQ	PKOH	Mon, Oct 13, 2008	8.90	9.91	8.00	9.56
4126	NASDAQ	PKOH	Fri, Oct 10, 2008	7.49	8.45	6.26	8.40
4125	NASDAQ	PKOH	Thu, Oct 9, 2008	10.38	11.66	7.54	7.54
4124	NASDAQ	PKOH	Wed, Oct 8, 2008	14.40	14.96	9.96	9.98
4123	NASDAQ	PKOH	Tue, Oct 7, 2008	16.77	16.77	14.36	14.70
4122	NASDAQ	PKOH	Mon, Oct 6, 2008	16.03	16.56	14.11	16.56
4121	NASDAQ	PKOH	Fri, Oct 3, 2008	17.03	17.03	16.24	16.50
4120	NASDAQ	PKOH	Thu, Oct 2, 2008	16.90	18.49	16.72	16.80
4119	NASDAQ	PKOH	Wed, Oct 1, 2008	17.77	18.01	16.31	17.68
4118	NASDAQ	PKOH	Tue, Sep 30, 2008	16.41	18.11	15.82	17.89
4117	NASDAQ	PKOH	Mon, Sep 29, 2008	19.38	19.92	14.00	16.31
4116	NASDAQ	PKOH	Fri, Sep 26, 2008	19.53	19.80	18.71	19.69
4115	NASDAQ	PKOH	Thu, Sep 25, 2008	20.31	21.02	19.28	19.85
4114	NASDAQ	PKOH	Wed, Sep 24, 2008	19.87	19.87	19.07	19.08
4113	NASDAQ	PKOH	Tue, Sep 23, 2008	20.35	21.95	19.77	19.80
4112	NASDAQ	PKOH	Mon, Sep 22, 2008	19.99	20.50	19.25	20.37
4111	NASDAQ	PKOH	Fri, Sep 19, 2008	20.50	20.50	19.73	20.00
4110	NASDAQ	PKOH	Thu, Sep 18, 2008	18.87	20.46	18.35	20.00
4109	NASDAQ	PKOH	Wed, Sep 17, 2008	19.64	19.64	18.33	18.50
4108	NASDAQ	PKOH	Tue, Sep 16, 2008	19.29	20.03	18.27	19.90
4107	NASDAQ	PKOH	Mon, Sep 15, 2008	18.80	20.50	18.61	18.67
4106	NASDAQ	PKOH	Fri, Sep 12, 2008	19.50	20.00	19.10	19.78
4105	NASDAQ	PKOH	Thu, Sep 11, 2008	19.61	20.07	18.89	19.98
4104	NASDAQ	PKOH	Wed, Sep 10, 2008	19.73	20.54	18.70	20.19
4103	NASDAQ	PKOH	Tue, Sep 9, 2008	20.55	20.60	19.04	19.04
4102	NASDAQ	PKOH	Mon, Sep 8, 2008	19.20	20.29	19.20	20.20
4101	NASDAQ	PKOH	Fri, Sep 5, 2008	18.74	18.76	17.29	18.71
4100	NASDAQ	PKOH	Thu, Sep 4, 2008	19.75	19.75	18.70	18.75
4099	NASDAQ	PKOH	Wed, Sep 3, 2008	19.74	20.75	19.41	20.00
4098	NASDAQ	PKOH	Tue, Sep 2, 2008	19.83	20.03	18.70	19.58
4097	NASDAQ	PKOH	Fri, Aug 29, 2008	19.70	19.80	19.51	19.51
4096	NASDAQ	PKOH	Thu, Aug 28, 2008	19.66	19.98	19.21	19.75
4095	NASDAQ	PKOH	Wed, Aug 27, 2008	18.56	20.90	18.00	19.58
4094	NASDAQ	PKOH	Tue, Aug 26, 2008	18.59	19.68	17.93	18.59
4093	NASDAQ	PKOH	Mon, Aug 25, 2008	19.53	20.07	18.65	18.80
4092	NASDAQ	PKOH	Fri, Aug 22, 2008	18.84	19.55	18.04	19.53
4091	NASDAQ	PKOH	Thu, Aug 21, 2008	18.60	19.43	17.48	18.80
4090	NASDAQ	PKOH	Wed, Aug 20, 2008	19.75	19.86	18.79	18.79
4089	NASDAQ	PKOH	Tue, Aug 19, 2008	19.76	19.85	19.07	19.25
4088	NASDAQ	PKOH	Mon, Aug 18, 2008	20.20	20.20	19.59	20.20
4087	NASDAQ	PKOH	Fri, Aug 15, 2008	21.75	22.16	20.03	20.05
4086	NASDAQ	PKOH	Thu, Aug 14, 2008	20.40	22.00	19.53	21.29
4085	NASDAQ	PKOH	Wed, Aug 13, 2008	19.54	20.92	18.40	20.54
4084	NASDAQ	PKOH	Tue, Aug 12, 2008	19.34	20.08	18.53	19.69
4083	NASDAQ	PKOH	Mon, Aug 11, 2008	18.31	19.54	17.70	19.32
4082	NASDAQ	PKOH	Fri, Aug 8, 2008	16.53	18.50	16.53	17.95
4081	NASDAQ	PKOH	Thu, Aug 7, 2008	17.41	17.41	16.15	16.23
4080	NASDAQ	PKOH	Wed, Aug 6, 2008	16.97	17.61	16.78	17.52
4079	NASDAQ	PKOH	Tue, Aug 5, 2008	17.10	17.10	16.01	17.10
4078	NASDAQ	PKOH	Mon, Aug 4, 2008	17.44	17.44	16.82	16.92
4077	NASDAQ	PKOH	Fri, Aug 1, 2008	17.17	17.89	16.58	17.48
4076	NASDAQ	PKOH	Thu, Jul 31, 2008	18.07	18.50	17.38	17.43
4075	NASDAQ	PKOH	Wed, Jul 30, 2008	18.23	18.94	17.70	18.54
4074	NASDAQ	PKOH	Tue, Jul 29, 2008	17.56	18.04	17.39	18.04
4073	NASDAQ	PKOH	Mon, Jul 28, 2008	17.04	17.63	16.79	16.79
4072	NASDAQ	PKOH	Fri, Jul 25, 2008	17.43	17.88	16.93	17.17
4071	NASDAQ	PKOH	Thu, Jul 24, 2008	17.15	17.77	17.07	17.22
4070	NASDAQ	PKOH	Wed, Jul 23, 2008	16.99	17.50	16.81	17.11
4069	NASDAQ	PKOH	Tue, Jul 22, 2008	15.83	17.14	15.83	17.07
4068	NASDAQ	PKOH	Mon, Jul 21, 2008	16.11	16.35	15.60	15.99
4067	NASDAQ	PKOH	Fri, Jul 18, 2008	17.07	17.15	15.54	15.99
4066	NASDAQ	PKOH	Thu, Jul 17, 2008	17.44	17.44	16.81	17.10
4065	NASDAQ	PKOH	Wed, Jul 16, 2008	16.53	17.45	16.42	17.29
4064	NASDAQ	PKOH	Tue, Jul 15, 2008	15.11	16.88	15.06	16.41
4063	NASDAQ	PKOH	Mon, Jul 14, 2008	15.23	15.74	14.85	15.24
4062	NASDAQ	PKOH	Fri, Jul 11, 2008	14.19	15.02	13.55	15.02
4061	NASDAQ	PKOH	Thu, Jul 10, 2008	13.41	14.59	13.41	14.26
4060	NASDAQ	PKOH	Wed, Jul 9, 2008	13.76	14.04	13.40	13.40
4059	NASDAQ	PKOH	Tue, Jul 8, 2008	13.08	13.50	12.38	13.50
4058	NASDAQ	PKOH	Mon, Jul 7, 2008	13.64	13.64	11.88	13.08
4057	NASDAQ	PKOH	Thu, Jul 3, 2008	12.42	12.78	11.77	12.00
4056	NASDAQ	PKOH	Wed, Jul 2, 2008	13.99	13.99	11.98	12.30
4055	NASDAQ	PKOH	Tue, Jul 1, 2008	14.65	15.08	13.81	14.03
4054	NASDAQ	PKOH	Mon, Jun 30, 2008	15.30	15.95	14.76	14.76
4053	NASDAQ	PKOH	Fri, Jun 27, 2008	15.96	15.96	15.25	15.26
4052	NASDAQ	PKOH	Thu, Jun 26, 2008	16.22	16.35	15.98	15.98
4051	NASDAQ	PKOH	Wed, Jun 25, 2008	15.32	16.60	15.32	16.39
4050	NASDAQ	PKOH	Tue, Jun 24, 2008	16.22	16.22	15.26	15.33
4049	NASDAQ	PKOH	Mon, Jun 23, 2008	16.02	16.07	15.42	15.42
4048	NASDAQ	PKOH	Fri, Jun 20, 2008	16.64	16.85	15.88	16.00
4047	NASDAQ	PKOH	Thu, Jun 19, 2008	15.38	16.77	15.33	16.77
4046	NASDAQ	PKOH	Wed, Jun 18, 2008	15.40	15.72	15.27	15.44
4045	NASDAQ	PKOH	Tue, Jun 17, 2008	16.11	16.11	15.25	15.49
4044	NASDAQ	PKOH	Mon, Jun 16, 2008	16.00	16.11	15.29	16.11
4043	NASDAQ	PKOH	Fri, Jun 13, 2008	15.95	16.38	15.65	16.01
4042	NASDAQ	PKOH	Thu, Jun 12, 2008	15.58	16.04	15.58	15.84
4041	NASDAQ	PKOH	Wed, Jun 11, 2008	15.32	16.01	15.32	15.49
4040	NASDAQ	PKOH	Tue, Jun 10, 2008	15.10	15.88	14.65	15.38
4039	NASDAQ	PKOH	Mon, Jun 9, 2008	15.04	15.38	14.74	15.24
4038	NASDAQ	PKOH	Fri, Jun 6, 2008	14.88	15.63	14.88	15.00
4037	NASDAQ	PKOH	Thu, Jun 5, 2008	15.05	15.86	14.77	15.05
4036	NASDAQ	PKOH	Wed, Jun 4, 2008	14.85	15.19	14.85	15.03
4035	NASDAQ	PKOH	Tue, Jun 3, 2008	14.97	15.12	14.94	14.97
4034	NASDAQ	PKOH	Mon, Jun 2, 2008	15.00	15.70	14.81	15.09
4033	NASDAQ	PKOH	Fri, May 30, 2008	15.59	15.64	14.89	15.02
4032	NASDAQ	PKOH	Thu, May 29, 2008	15.16	15.91	14.99	15.51
4031	NASDAQ	PKOH	Wed, May 28, 2008	15.33	15.50	15.24	15.26
4030	NASDAQ	PKOH	Tue, May 27, 2008	14.84	15.37	14.56	15.19
4029	NASDAQ	PKOH	Fri, May 23, 2008	15.39	15.45	14.59	14.80
4028	NASDAQ	PKOH	Thu, May 22, 2008	15.91	15.93	15.36	15.52
4027	NASDAQ	PKOH	Wed, May 21, 2008	15.56	16.61	15.56	15.81
4026	NASDAQ	PKOH	Tue, May 20, 2008	15.86	15.95	15.44	15.61
4025	NASDAQ	PKOH	Mon, May 19, 2008	16.29	16.37	15.62	15.84
4024	NASDAQ	PKOH	Fri, May 16, 2008	17.03	17.03	15.97	16.36
4023	NASDAQ	PKOH	Thu, May 15, 2008	16.84	16.92	16.36	16.83
4022	NASDAQ	PKOH	Wed, May 14, 2008	17.18	17.30	16.72	16.90
4021	NASDAQ	PKOH	Tue, May 13, 2008	17.36	18.24	16.86	17.07
4020	NASDAQ	PKOH	Mon, May 12, 2008	17.88	18.08	17.19	17.53
4019	NASDAQ	PKOH	Fri, May 9, 2008	17.51	18.10	17.19	17.71
4018	NASDAQ	PKOH	Thu, May 8, 2008	17.55	18.03	17.02	17.82
4017	NASDAQ	PKOH	Wed, May 7, 2008	17.98	17.98	17.42	17.51
4016	NASDAQ	PKOH	Tue, May 6, 2008	17.54	18.00	17.03	18.00
4015	NASDAQ	PKOH	Mon, May 5, 2008	16.59	17.64	16.10	17.53
4014	NASDAQ	PKOH	Fri, May 2, 2008	17.26	17.65	16.26	16.82
4013	NASDAQ	PKOH	Thu, May 1, 2008	16.74	17.10	16.70	16.94
4012	NASDAQ	PKOH	Wed, Apr 30, 2008	16.15	17.09	15.97	16.68
4011	NASDAQ	PKOH	Tue, Apr 29, 2008	15.97	16.14	15.97	16.04
4010	NASDAQ	PKOH	Mon, Apr 28, 2008	16.38	16.44	15.97	15.99
4009	NASDAQ	PKOH	Fri, Apr 25, 2008	16.77	16.77	16.13	16.44
4008	NASDAQ	PKOH	Thu, Apr 24, 2008	16.32	16.89	16.07	16.68
4007	NASDAQ	PKOH	Wed, Apr 23, 2008	16.37	16.59	15.39	16.42
4006	NASDAQ	PKOH	Tue, Apr 22, 2008	16.82	16.82	16.24	16.29
4005	NASDAQ	PKOH	Mon, Apr 21, 2008	17.44	17.44	16.38	16.93
4004	NASDAQ	PKOH	Fri, Apr 18, 2008	17.44	17.90	16.77	17.56
4003	NASDAQ	PKOH	Thu, Apr 17, 2008	15.97	17.28	15.75	17.07
4002	NASDAQ	PKOH	Wed, Apr 16, 2008	15.97	16.12	15.50	16.04
4001	NASDAQ	PKOH	Tue, Apr 15, 2008	15.50	15.96	15.50	15.78
4000	NASDAQ	PKOH	Mon, Apr 14, 2008	15.85	16.30	15.62	16.02
3999	NASDAQ	PKOH	Fri, Apr 11, 2008	15.59	15.99	15.59	15.87
3998	NASDAQ	PKOH	Thu, Apr 10, 2008	15.87	16.30	15.62	16.05
3997	NASDAQ	PKOH	Wed, Apr 9, 2008	15.88	15.97	15.70	15.94
3996	NASDAQ	PKOH	Tue, Apr 8, 2008	15.83	16.00	15.60	15.82
3995	NASDAQ	PKOH	Mon, Apr 7, 2008	16.26	16.47	15.96	16.00
3994	NASDAQ	PKOH	Fri, Apr 4, 2008	16.08	16.62	16.08	16.20
3993	NASDAQ	PKOH	Thu, Apr 3, 2008	15.60	16.34	15.51	16.10
3992	NASDAQ	PKOH	Wed, Apr 2, 2008	15.69	15.92	15.53	15.80
3991	NASDAQ	PKOH	Tue, Apr 1, 2008	15.93	15.93	15.15	15.75
3990	NASDAQ	PKOH	Mon, Mar 31, 2008	15.50	15.80	15.50	15.71
3989	NASDAQ	PKOH	Fri, Mar 28, 2008	15.50	15.62	15.50	15.54
3988	NASDAQ	PKOH	Thu, Mar 27, 2008	15.38	15.63	15.32	15.52
3987	NASDAQ	PKOH	Wed, Mar 26, 2008	15.26	15.36	15.21	15.28
3986	NASDAQ	PKOH	Tue, Mar 25, 2008	15.15	15.55	15.15	15.40
3985	NASDAQ	PKOH	Mon, Mar 24, 2008	15.66	16.00	14.88	15.00
3984	NASDAQ	PKOH	Thu, Mar 20, 2008	15.18	15.73	14.10	15.65
3983	NASDAQ	PKOH	Wed, Mar 19, 2008	15.66	16.04	14.94	14.95
3982	NASDAQ	PKOH	Tue, Mar 18, 2008	14.94	15.96	14.94	15.58
3981	NASDAQ	PKOH	Mon, Mar 17, 2008	15.66	15.90	14.82	15.32
3980	NASDAQ	PKOH	Fri, Mar 14, 2008	16.50	16.69	15.64	16.37
3979	NASDAQ	PKOH	Thu, Mar 13, 2008	16.23	16.57	15.88	16.50
3978	NASDAQ	PKOH	Wed, Mar 12, 2008	14.20	16.76	13.70	16.48
3977	NASDAQ	PKOH	Tue, Mar 11, 2008	18.50	19.02	17.52	18.77
3976	NASDAQ	PKOH	Mon, Mar 10, 2008	19.15	19.15	18.31	18.47
3975	NASDAQ	PKOH	Fri, Mar 7, 2008	19.33	19.82	18.61	19.04
3974	NASDAQ	PKOH	Thu, Mar 6, 2008	20.21	20.21	19.47	19.62
3973	NASDAQ	PKOH	Wed, Mar 5, 2008	20.79	20.79	19.97	20.35
3972	NASDAQ	PKOH	Tue, Mar 4, 2008	20.22	20.97	19.64	20.65
3971	NASDAQ	PKOH	Mon, Mar 3, 2008	20.94	21.46	19.92	20.47
3970	NASDAQ	PKOH	Fri, Feb 29, 2008	21.40	21.40	20.52	20.67
3969	NASDAQ	PKOH	Thu, Feb 28, 2008	22.26	22.26	21.49	21.80
3968	NASDAQ	PKOH	Wed, Feb 27, 2008	21.70	23.27	20.48	22.35
3967	NASDAQ	PKOH	Tue, Feb 26, 2008	22.01	22.31	21.63	22.00
3966	NASDAQ	PKOH	Mon, Feb 25, 2008	21.18	22.59	20.52	22.20
3965	NASDAQ	PKOH	Fri, Feb 22, 2008	22.45	22.93	20.41	21.13
3964	NASDAQ	PKOH	Thu, Feb 21, 2008	24.01	24.26	22.34	22.46
3963	NASDAQ	PKOH	Wed, Feb 20, 2008	23.59	23.94	23.37	23.85
3962	NASDAQ	PKOH	Tue, Feb 19, 2008	23.90	23.94	23.50	23.71
3961	NASDAQ	PKOH	Fri, Feb 15, 2008	23.66	23.81	23.37	23.54
3960	NASDAQ	PKOH	Thu, Feb 14, 2008	24.16	25.00	23.69	23.79
3959	NASDAQ	PKOH	Wed, Feb 13, 2008	23.40	25.20	23.21	24.61
3958	NASDAQ	PKOH	Tue, Feb 12, 2008	22.42	23.34	22.42	23.14
3957	NASDAQ	PKOH	Mon, Feb 11, 2008	21.80	23.70	21.80	22.35
3956	NASDAQ	PKOH	Fri, Feb 8, 2008	21.80	23.26	21.77	21.78
3955	NASDAQ	PKOH	Thu, Feb 7, 2008	20.87	22.55	19.59	21.79
3954	NASDAQ	PKOH	Wed, Feb 6, 2008	21.28	21.44	20.59	21.25
3953	NASDAQ	PKOH	Tue, Feb 5, 2008	21.65	22.03	20.46	21.01
3952	NASDAQ	PKOH	Mon, Feb 4, 2008	22.63	23.85	22.13	22.14
3951	NASDAQ	PKOH	Fri, Feb 1, 2008	22.15	23.02	21.90	22.94
3950	NASDAQ	PKOH	Thu, Jan 31, 2008	19.92	22.42	19.92	22.36
3949	NASDAQ	PKOH	Wed, Jan 30, 2008	20.39	22.03	19.73	21.03
3948	NASDAQ	PKOH	Tue, Jan 29, 2008	21.00	21.21	20.33	20.58
3947	NASDAQ	PKOH	Mon, Jan 28, 2008	19.81	21.78	19.81	21.43
3946	NASDAQ	PKOH	Fri, Jan 25, 2008	20.72	21.50	20.23	20.73
3945	NASDAQ	PKOH	Thu, Jan 24, 2008	21.23	21.23	19.53	20.45
3944	NASDAQ	PKOH	Wed, Jan 23, 2008	19.03	21.47	19.03	21.15
3943	NASDAQ	PKOH	Tue, Jan 22, 2008	18.86	20.00	17.27	19.54
3942	NASDAQ	PKOH	Fri, Jan 18, 2008	19.68	20.01	19.29	19.42
3941	NASDAQ	PKOH	Thu, Jan 17, 2008	20.10	20.10	19.50	19.80
3940	NASDAQ	PKOH	Wed, Jan 16, 2008	19.40	20.17	19.20	19.95
3939	NASDAQ	PKOH	Tue, Jan 15, 2008	20.03	20.03	19.20	19.39
3938	NASDAQ	PKOH	Mon, Jan 14, 2008	19.61	20.54	19.52	20.35
3937	NASDAQ	PKOH	Fri, Jan 11, 2008	21.40	21.46	19.38	19.46
3936	NASDAQ	PKOH	Thu, Jan 10, 2008	20.29	21.59	20.29	21.41
3935	NASDAQ	PKOH	Wed, Jan 9, 2008	21.34	21.46	20.00	20.81
3934	NASDAQ	PKOH	Tue, Jan 8, 2008	21.60	22.14	21.43	21.48
3933	NASDAQ	PKOH	Mon, Jan 7, 2008	22.69	22.80	21.69	21.80
3932	NASDAQ	PKOH	Fri, Jan 4, 2008	23.09	23.15	22.43	22.75
3931	NASDAQ	PKOH	Thu, Jan 3, 2008	24.31	24.64	23.43	23.43
3930	NASDAQ	PKOH	Wed, Jan 2, 2008	24.78	25.10	23.89	24.21
3929	NASDAQ	PKOH	Mon, Dec 31, 2007	24.89	25.76	24.22	25.10
3928	NASDAQ	PKOH	Fri, Dec 28, 2007	25.80	26.65	24.69	24.96
3927	NASDAQ	PKOH	Thu, Dec 27, 2007	27.85	27.86	25.38	25.38
3926	NASDAQ	PKOH	Wed, Dec 26, 2007	27.38	27.96	26.85	27.74
3925	NASDAQ	PKOH	Mon, Dec 24, 2007	26.45	27.19	25.94	27.19
3924	NASDAQ	PKOH	Fri, Dec 21, 2007	25.27	26.49	24.93	26.31
3923	NASDAQ	PKOH	Thu, Dec 20, 2007	24.07	25.22	23.25	25.22
3922	NASDAQ	PKOH	Wed, Dec 19, 2007	22.98	24.28	22.62	24.13
3921	NASDAQ	PKOH	Tue, Dec 18, 2007	23.68	23.75	22.73	23.65
3920	NASDAQ	PKOH	Mon, Dec 17, 2007	23.52	23.76	23.31	23.50
3919	NASDAQ	PKOH	Fri, Dec 14, 2007	23.26	23.94	23.15	23.72
3918	NASDAQ	PKOH	Thu, Dec 13, 2007	22.61	23.80	22.45	23.79
3917	NASDAQ	PKOH	Wed, Dec 12, 2007	23.75	24.19	23.20	23.22
3916	NASDAQ	PKOH	Tue, Dec 11, 2007	23.72	23.72	23.30	23.35
3915	NASDAQ	PKOH	Mon, Dec 10, 2007	23.29	23.60	23.29	23.57
3914	NASDAQ	PKOH	Fri, Dec 7, 2007	23.75	23.75	22.94	23.32
3913	NASDAQ	PKOH	Thu, Dec 6, 2007	23.30	24.04	23.02	23.75
3912	NASDAQ	PKOH	Wed, Dec 5, 2007	22.90	23.34	22.90	23.22
3911	NASDAQ	PKOH	Tue, Dec 4, 2007	22.06	23.08	21.61	22.50
3910	NASDAQ	PKOH	Mon, Dec 3, 2007	23.60	23.72	21.22	22.28
3909	NASDAQ	PKOH	Fri, Nov 30, 2007	23.20	24.05	22.66	23.54
3908	NASDAQ	PKOH	Thu, Nov 29, 2007	22.95	23.13	22.69	22.93
3907	NASDAQ	PKOH	Wed, Nov 28, 2007	21.99	23.20	21.49	23.03
3906	NASDAQ	PKOH	Tue, Nov 27, 2007	21.14	21.78	20.64	21.71
3905	NASDAQ	PKOH	Mon, Nov 26, 2007	21.19	22.13	20.90	21.10
3904	NASDAQ	PKOH	Fri, Nov 23, 2007	21.68	21.68	21.22	21.26
3903	NASDAQ	PKOH	Wed, Nov 21, 2007	21.12	22.87	20.90	21.65
3902	NASDAQ	PKOH	Tue, Nov 20, 2007	21.63	21.63	20.40	21.18
3901	NASDAQ	PKOH	Mon, Nov 19, 2007	21.92	21.94	21.31	21.75
3900	NASDAQ	PKOH	Fri, Nov 16, 2007	23.31	23.31	21.99	22.07
3899	NASDAQ	PKOH	Thu, Nov 15, 2007	23.72	23.89	23.26	23.30
3898	NASDAQ	PKOH	Wed, Nov 14, 2007	24.63	24.63	23.20	23.70
3897	NASDAQ	PKOH	Tue, Nov 13, 2007	23.55	24.45	23.33	24.45
3896	NASDAQ	PKOH	Mon, Nov 12, 2007	22.05	23.82	22.05	23.40
3895	NASDAQ	PKOH	Fri, Nov 9, 2007	22.93	22.93	21.91	22.05
3894	NASDAQ	PKOH	Thu, Nov 8, 2007	22.31	23.23	22.00	23.22
3893	NASDAQ	PKOH	Wed, Nov 7, 2007	22.53	22.86	21.57	22.02
3892	NASDAQ	PKOH	Tue, Nov 6, 2007	23.00	23.08	22.44	22.99
3891	NASDAQ	PKOH	Mon, Nov 5, 2007	22.33	23.33	21.99	23.02
3890	NASDAQ	PKOH	Fri, Nov 2, 2007	23.14	23.14	22.06	22.74
3889	NASDAQ	PKOH	Thu, Nov 1, 2007	23.46	23.58	22.78	22.90
3888	NASDAQ	PKOH	Wed, Oct 31, 2007	21.82	25.05	20.73	23.87
3887	NASDAQ	PKOH	Tue, Oct 30, 2007	26.27	26.97	25.27	25.46
3886	NASDAQ	PKOH	Mon, Oct 29, 2007	25.93	26.44	25.73	26.44
3885	NASDAQ	PKOH	Fri, Oct 26, 2007	25.62	25.80	23.08	25.80
3884	NASDAQ	PKOH	Thu, Oct 25, 2007	25.77	25.81	25.05	25.08
3883	NASDAQ	PKOH	Wed, Oct 24, 2007	25.97	25.97	25.07	25.82
3882	NASDAQ	PKOH	Tue, Oct 23, 2007	25.59	26.04	24.75	25.98
3881	NASDAQ	PKOH	Mon, Oct 22, 2007	26.00	26.07	25.18	25.48
3880	NASDAQ	PKOH	Fri, Oct 19, 2007	27.85	28.10	26.27	26.30
3879	NASDAQ	PKOH	Thu, Oct 18, 2007	27.78	28.16	27.18	27.86
3878	NASDAQ	PKOH	Wed, Oct 17, 2007	27.51	27.51	26.71	27.34
3877	NASDAQ	PKOH	Tue, Oct 16, 2007	27.30	27.30	27.06	27.17
3876	NASDAQ	PKOH	Mon, Oct 15, 2007	27.44	27.68	26.98	27.32
3875	NASDAQ	PKOH	Fri, Oct 12, 2007	27.76	27.76	27.03	27.44
3874	NASDAQ	PKOH	Thu, Oct 11, 2007	27.30	27.30	26.80	27.17
3873	NASDAQ	PKOH	Wed, Oct 10, 2007	27.18	27.28	26.71	27.20
3872	NASDAQ	PKOH	Tue, Oct 9, 2007	27.57	27.57	26.90	27.18
3871	NASDAQ	PKOH	Mon, Oct 8, 2007	27.69	27.77	27.02	27.58
3870	NASDAQ	PKOH	Fri, Oct 5, 2007	27.00	28.29	26.54	27.86
3869	NASDAQ	PKOH	Thu, Oct 4, 2007	27.37	27.37	26.62	26.98
3868	NASDAQ	PKOH	Wed, Oct 3, 2007	27.73	28.40	26.86	27.66
3867	NASDAQ	PKOH	Tue, Oct 2, 2007	27.56	28.38	27.00	27.95
3866	NASDAQ	PKOH	Mon, Oct 1, 2007	25.70	27.70	25.65	27.51
3865	NASDAQ	PKOH	Fri, Sep 28, 2007	27.39	27.47	25.85	25.95
3864	NASDAQ	PKOH	Thu, Sep 27, 2007	27.32	27.47	26.61	27.47
3863	NASDAQ	PKOH	Wed, Sep 26, 2007	26.58	27.50	26.58	27.30
3862	NASDAQ	PKOH	Tue, Sep 25, 2007	27.32	27.84	26.39	26.51
3861	NASDAQ	PKOH	Mon, Sep 24, 2007	27.61	28.38	27.17	27.68
3860	NASDAQ	PKOH	Fri, Sep 21, 2007	27.89	29.00	27.19	27.65
3859	NASDAQ	PKOH	Thu, Sep 20, 2007	28.01	28.49	27.52	27.95
3858	NASDAQ	PKOH	Wed, Sep 19, 2007	27.05	29.23	27.05	28.09
3857	NASDAQ	PKOH	Tue, Sep 18, 2007	25.67	27.10	25.15	27.03
3856	NASDAQ	PKOH	Mon, Sep 17, 2007	25.90	26.12	24.70	25.75
3855	NASDAQ	PKOH	Fri, Sep 14, 2007	26.29	26.84	25.86	26.28
3854	NASDAQ	PKOH	Thu, Sep 13, 2007	26.52	27.10	26.10	26.59
3853	NASDAQ	PKOH	Wed, Sep 12, 2007	26.77	27.14	26.57	26.70
3852	NASDAQ	PKOH	Tue, Sep 11, 2007	26.55	27.52	26.36	26.98
3851	NASDAQ	PKOH	Mon, Sep 10, 2007	27.00	27.00	25.90	26.51
3850	NASDAQ	PKOH	Fri, Sep 7, 2007	27.00	27.00	25.76	26.84
3849	NASDAQ	PKOH	Thu, Sep 6, 2007	27.59	27.75	27.14	27.48
3848	NASDAQ	PKOH	Wed, Sep 5, 2007	27.86	27.97	27.35	27.47
3847	NASDAQ	PKOH	Tue, Sep 4, 2007	27.35	27.92	27.09	27.70
3846	NASDAQ	PKOH	Fri, Aug 31, 2007	28.18	28.18	27.19	27.55
3845	NASDAQ	PKOH	Thu, Aug 30, 2007	27.20	28.07	27.20	27.50
3844	NASDAQ	PKOH	Wed, Aug 29, 2007	27.48	28.00	27.30	27.54
3843	NASDAQ	PKOH	Tue, Aug 28, 2007	27.46	28.20	27.26	27.50
3842	NASDAQ	PKOH	Mon, Aug 27, 2007	28.22	28.22	27.16	27.69
3841	NASDAQ	PKOH	Fri, Aug 24, 2007	27.88	28.10	27.11	27.99
3840	NASDAQ	PKOH	Thu, Aug 23, 2007	27.53	28.22	27.01	27.92
3839	NASDAQ	PKOH	Wed, Aug 22, 2007	26.03	27.64	26.03	27.29
3838	NASDAQ	PKOH	Tue, Aug 21, 2007	25.37	26.07	25.00	25.71
3837	NASDAQ	PKOH	Mon, Aug 20, 2007	25.50	25.70	24.31	25.31
3836	NASDAQ	PKOH	Fri, Aug 17, 2007	25.55	26.97	24.54	25.32
3835	NASDAQ	PKOH	Thu, Aug 16, 2007	23.82	26.11	22.77	24.56
3834	NASDAQ	PKOH	Wed, Aug 15, 2007	25.62	26.42	24.59	24.59
3833	NASDAQ	PKOH	Tue, Aug 14, 2007	25.90	26.81	24.03	24.92
3832	NASDAQ	PKOH	Mon, Aug 13, 2007	25.88	28.12	22.93	26.06
3831	NASDAQ	PKOH	Fri, Aug 10, 2007	22.02	25.82	22.02	25.37
3830	NASDAQ	PKOH	Thu, Aug 9, 2007	24.50	24.50	22.75	22.89
3829	NASDAQ	PKOH	Wed, Aug 8, 2007	25.88	26.80	23.16	24.54
3828	NASDAQ	PKOH	Tue, Aug 7, 2007	26.62	27.40	25.68	26.03
3827	NASDAQ	PKOH	Mon, Aug 6, 2007	26.73	28.15	25.34	26.97
3826	NASDAQ	PKOH	Fri, Aug 3, 2007	27.18	28.35	26.75	27.50
3825	NASDAQ	PKOH	Thu, Aug 2, 2007	28.05	28.05	26.57	27.81
3824	NASDAQ	PKOH	Wed, Aug 1, 2007	22.01	27.44	22.01	26.96
3823	NASDAQ	PKOH	Tue, Jul 31, 2007	24.75	25.55	24.17	24.84
3822	NASDAQ	PKOH	Mon, Jul 30, 2007	24.91	25.41	23.03	24.93
3821	NASDAQ	PKOH	Fri, Jul 27, 2007	26.36	26.52	25.01	25.28
3820	NASDAQ	PKOH	Thu, Jul 26, 2007	30.16	30.16	25.58	27.04
3819	NASDAQ	PKOH	Wed, Jul 25, 2007	31.71	31.71	30.10	30.66
3818	NASDAQ	PKOH	Tue, Jul 24, 2007	31.72	31.80	30.66	30.96
3817	NASDAQ	PKOH	Mon, Jul 23, 2007	31.65	32.00	31.16	31.69
3816	NASDAQ	PKOH	Fri, Jul 20, 2007	31.32	31.90	30.81	31.69
3815	NASDAQ	PKOH	Thu, Jul 19, 2007	30.61	31.74	30.61	31.39
3814	NASDAQ	PKOH	Wed, Jul 18, 2007	30.48	31.00	29.92	30.76
3813	NASDAQ	PKOH	Tue, Jul 17, 2007	30.97	32.00	30.74	31.23
3812	NASDAQ	PKOH	Mon, Jul 16, 2007	31.57	32.00	30.58	30.96
3811	NASDAQ	PKOH	Fri, Jul 13, 2007	30.61	31.56	30.25	31.13
3810	NASDAQ	PKOH	Thu, Jul 12, 2007	31.00	31.00	29.99	30.61
3809	NASDAQ	PKOH	Wed, Jul 11, 2007	29.68	30.90	29.53	30.74
3808	NASDAQ	PKOH	Tue, Jul 10, 2007	31.02	31.37	29.71	29.81
3807	NASDAQ	PKOH	Mon, Jul 9, 2007	31.50	31.90	30.82	31.65
3806	NASDAQ	PKOH	Fri, Jul 6, 2007	30.36	30.71	30.08	30.52
3805	NASDAQ	PKOH	Thu, Jul 5, 2007	29.95	30.10	29.34	30.06
3804	NASDAQ	PKOH	Tue, Jul 3, 2007	29.95	30.00	29.38	30.00
3803	NASDAQ	PKOH	Mon, Jul 2, 2007	28.09	29.60	27.81	28.85
3802	NASDAQ	PKOH	Fri, Jun 29, 2007	27.17	28.58	26.72	27.30
3801	NASDAQ	PKOH	Thu, Jun 28, 2007	26.25	27.11	25.76	26.98
3800	NASDAQ	PKOH	Wed, Jun 27, 2007	24.60	26.28	24.60	26.27
3799	NASDAQ	PKOH	Tue, Jun 26, 2007	24.79	25.00	24.65	24.86
3798	NASDAQ	PKOH	Mon, Jun 25, 2007	24.77	25.38	24.50	24.72
3797	NASDAQ	PKOH	Fri, Jun 22, 2007	25.25	25.34	24.35	24.35
3796	NASDAQ	PKOH	Thu, Jun 21, 2007	24.97	25.48	24.57	25.19
3795	NASDAQ	PKOH	Wed, Jun 20, 2007	24.97	25.00	24.73	24.84
3794	NASDAQ	PKOH	Tue, Jun 19, 2007	24.98	24.98	24.18	24.81
3793	NASDAQ	PKOH	Mon, Jun 18, 2007	24.74	25.00	24.62	24.86
3792	NASDAQ	PKOH	Fri, Jun 15, 2007	24.29	24.50	24.00	24.45
3791	NASDAQ	PKOH	Thu, Jun 14, 2007	24.52	24.71	24.05	24.35
3790	NASDAQ	PKOH	Wed, Jun 13, 2007	25.00	25.00	23.98	24.52
3789	NASDAQ	PKOH	Tue, Jun 12, 2007	24.70	24.82	24.49	24.80
3788	NASDAQ	PKOH	Mon, Jun 11, 2007	24.50	24.79	24.50	24.73
3787	NASDAQ	PKOH	Fri, Jun 8, 2007	24.35	24.65	24.19	24.48
3786	NASDAQ	PKOH	Thu, Jun 7, 2007	24.73	25.00	24.31	24.39
3785	NASDAQ	PKOH	Wed, Jun 6, 2007	25.00	25.00	24.14	24.50
3784	NASDAQ	PKOH	Tue, Jun 5, 2007	24.44	24.89	23.94	24.89
3783	NASDAQ	PKOH	Mon, Jun 4, 2007	23.69	24.31	23.69	24.23
3782	NASDAQ	PKOH	Fri, Jun 1, 2007	23.54	23.88	23.31	23.68
3781	NASDAQ	PKOH	Thu, May 31, 2007	23.13	23.60	23.13	23.32
3780	NASDAQ	PKOH	Wed, May 30, 2007	22.52	23.46	22.00	23.20
3779	NASDAQ	PKOH	Tue, May 29, 2007	22.64	23.62	22.64	23.43
3778	NASDAQ	PKOH	Fri, May 25, 2007	22.61	23.27	22.38	23.01
3777	NASDAQ	PKOH	Thu, May 24, 2007	22.73	22.84	22.23	22.80
3776	NASDAQ	PKOH	Wed, May 23, 2007	22.77	23.00	22.51	23.00
3775	NASDAQ	PKOH	Tue, May 22, 2007	22.95	22.95	22.75	22.93
3774	NASDAQ	PKOH	Mon, May 21, 2007	22.38	23.00	22.25	22.95
3773	NASDAQ	PKOH	Fri, May 18, 2007	23.00	23.00	22.24	22.47
3772	NASDAQ	PKOH	Thu, May 17, 2007	23.00	23.19	22.94	23.15
3771	NASDAQ	PKOH	Wed, May 16, 2007	22.79	23.13	22.43	23.00
3770	NASDAQ	PKOH	Tue, May 15, 2007	22.62	23.15	22.57	22.60
3769	NASDAQ	PKOH	Mon, May 14, 2007	21.73	23.47	21.73	22.77
3768	NASDAQ	PKOH	Fri, May 11, 2007	21.80	22.00	21.73	21.89
3767	NASDAQ	PKOH	Thu, May 10, 2007	22.03	22.06	21.80	21.82
3766	NASDAQ	PKOH	Wed, May 9, 2007	21.70	22.60	21.70	22.26
3765	NASDAQ	PKOH	Tue, May 8, 2007	20.94	22.00	20.94	21.70
3764	NASDAQ	PKOH	Mon, May 7, 2007	21.44	21.49	20.73	21.26
3763	NASDAQ	PKOH	Fri, May 4, 2007	21.64	21.64	19.65	21.04
3762	NASDAQ	PKOH	Thu, May 3, 2007	21.58	21.58	21.16	21.48
3761	NASDAQ	PKOH	Wed, May 2, 2007	21.68	21.68	21.03	21.38
3760	NASDAQ	PKOH	Tue, May 1, 2007	21.33	21.59	21.00	21.59
3759	NASDAQ	PKOH	Mon, Apr 30, 2007	21.09	21.80	20.75	21.33
3758	NASDAQ	PKOH	Fri, Apr 27, 2007	20.54	21.07	20.33	20.95
3757	NASDAQ	PKOH	Thu, Apr 26, 2007	20.10	20.69	20.10	20.59
3756	NASDAQ	PKOH	Wed, Apr 25, 2007	19.95	20.10	19.92	20.03
3755	NASDAQ	PKOH	Tue, Apr 24, 2007	20.08	20.19	19.95	20.08
3754	NASDAQ	PKOH	Mon, Apr 23, 2007	20.34	20.34	19.80	20.20
3753	NASDAQ	PKOH	Fri, Apr 20, 2007	20.24	20.50	20.24	20.49
3752	NASDAQ	PKOH	Thu, Apr 19, 2007	20.00	20.45	19.98	20.24
3751	NASDAQ	PKOH	Wed, Apr 18, 2007	20.29	20.29	19.82	19.93
3750	NASDAQ	PKOH	Tue, Apr 17, 2007	20.17	20.81	20.00	20.47
3749	NASDAQ	PKOH	Mon, Apr 16, 2007	20.47	20.87	20.40	20.51
3748	NASDAQ	PKOH	Fri, Apr 13, 2007	19.93	20.48	19.92	20.12
3747	NASDAQ	PKOH	Thu, Apr 12, 2007	20.09	20.09	19.88	20.00
3746	NASDAQ	PKOH	Wed, Apr 11, 2007	19.47	20.19	19.32	20.00
3745	NASDAQ	PKOH	Tue, Apr 10, 2007	19.47	19.47	19.31	19.46
3744	NASDAQ	PKOH	Mon, Apr 9, 2007	19.15	19.29	19.09	19.28
3743	NASDAQ	PKOH	Thu, Apr 5, 2007	19.00	19.06	18.89	19.01
3742	NASDAQ	PKOH	Wed, Apr 4, 2007	18.81	19.02	18.79	18.96
3741	NASDAQ	PKOH	Tue, Apr 3, 2007	18.90	18.97	18.86	18.93
3740	NASDAQ	PKOH	Mon, Apr 2, 2007	18.80	18.93	18.53	18.86
3739	NASDAQ	PKOH	Fri, Mar 30, 2007	18.72	19.02	18.11	18.50
3738	NASDAQ	PKOH	Thu, Mar 29, 2007	18.80	18.92	18.69	18.85
3737	NASDAQ	PKOH	Wed, Mar 28, 2007	18.56	18.80	18.55	18.60
3736	NASDAQ	PKOH	Tue, Mar 27, 2007	18.14	19.00	18.03	18.49
3735	NASDAQ	PKOH	Mon, Mar 26, 2007	17.94	18.33	17.83	18.02
3734	NASDAQ	PKOH	Fri, Mar 23, 2007	17.80	17.91	17.47	17.55
3733	NASDAQ	PKOH	Thu, Mar 22, 2007	17.40	17.55	17.33	17.45
3732	NASDAQ	PKOH	Wed, Mar 21, 2007	17.37	17.37	17.21	17.30
3731	NASDAQ	PKOH	Tue, Mar 20, 2007	16.95	17.39	16.95	17.30
3730	NASDAQ	PKOH	Mon, Mar 19, 2007	17.26	17.26	17.03	17.05
3729	NASDAQ	PKOH	Fri, Mar 16, 2007	17.22	17.67	17.10	17.39
3728	NASDAQ	PKOH	Thu, Mar 15, 2007	16.92	17.46	16.90	17.30
3727	NASDAQ	PKOH	Wed, Mar 14, 2007	17.33	17.35	16.91	17.00
3726	NASDAQ	PKOH	Tue, Mar 13, 2007	17.65	17.69	17.27	17.41
3725	NASDAQ	PKOH	Mon, Mar 12, 2007	18.00	18.22	17.75	17.79
3724	NASDAQ	PKOH	Fri, Mar 9, 2007	17.88	18.98	17.82	17.97
3723	NASDAQ	PKOH	Thu, Mar 8, 2007	17.82	18.08	17.82	18.00
3722	NASDAQ	PKOH	Wed, Mar 7, 2007	16.97	17.93	16.97	17.93
3721	NASDAQ	PKOH	Tue, Mar 6, 2007	16.62	17.04	16.55	16.90
3720	NASDAQ	PKOH	Mon, Mar 5, 2007	17.31	17.31	16.71	16.73
3719	NASDAQ	PKOH	Fri, Mar 2, 2007	17.12	17.55	17.12	17.38
3718	NASDAQ	PKOH	Thu, Mar 1, 2007	17.36	17.82	17.36	17.62
3717	NASDAQ	PKOH	Wed, Feb 28, 2007	18.09	18.40	17.50	18.24
3716	NASDAQ	PKOH	Tue, Feb 27, 2007	18.86	19.00	17.66	17.96
3715	NASDAQ	PKOH	Mon, Feb 26, 2007	19.15	19.26	18.91	19.15
3714	NASDAQ	PKOH	Fri, Feb 23, 2007	19.16	19.23	18.67	19.15
3713	NASDAQ	PKOH	Thu, Feb 22, 2007	18.42	19.30	17.54	19.16
3712	NASDAQ	PKOH	Wed, Feb 21, 2007	17.88	18.42	17.88	18.42
3711	NASDAQ	PKOH	Tue, Feb 20, 2007	18.28	18.28	17.96	18.19
3710	NASDAQ	PKOH	Fri, Feb 16, 2007	18.13	18.22	18.13	18.19
3709	NASDAQ	PKOH	Thu, Feb 15, 2007	18.11	18.24	18.00	18.20
3708	NASDAQ	PKOH	Wed, Feb 14, 2007	17.94	18.20	17.94	18.17
3707	NASDAQ	PKOH	Tue, Feb 13, 2007	17.63	18.05	17.50	18.05
3706	NASDAQ	PKOH	Mon, Feb 12, 2007	17.59	17.66	17.17	17.37
3705	NASDAQ	PKOH	Fri, Feb 9, 2007	18.09	18.10	17.50	17.55
3704	NASDAQ	PKOH	Thu, Feb 8, 2007	17.97	18.26	17.72	18.20
3703	NASDAQ	PKOH	Wed, Feb 7, 2007	17.90	17.95	17.79	17.87
3702	NASDAQ	PKOH	Tue, Feb 6, 2007	17.93	17.93	17.59	17.90
3701	NASDAQ	PKOH	Mon, Feb 5, 2007	17.91	17.94	17.67	17.83
3700	NASDAQ	PKOH	Fri, Feb 2, 2007	17.77	17.85	17.62	17.80
3699	NASDAQ	PKOH	Thu, Feb 1, 2007	17.12	17.88	17.12	17.88
3698	NASDAQ	PKOH	Wed, Jan 31, 2007	17.20	17.27	17.03	17.27
3697	NASDAQ	PKOH	Tue, Jan 30, 2007	17.01	17.20	17.01	17.20
3696	NASDAQ	PKOH	Mon, Jan 29, 2007	16.87	17.17	16.79	17.17
3695	NASDAQ	PKOH	Fri, Jan 26, 2007	16.72	16.88	16.70	16.75
3694	NASDAQ	PKOH	Thu, Jan 25, 2007	16.47	16.74	16.40	16.66
3693	NASDAQ	PKOH	Wed, Jan 24, 2007	16.64	16.69	16.55	16.56
3692	NASDAQ	PKOH	Tue, Jan 23, 2007	16.59	16.59	16.39	16.50
3691	NASDAQ	PKOH	Mon, Jan 22, 2007	16.81	16.81	16.49	16.50
3690	NASDAQ	PKOH	Fri, Jan 19, 2007	16.45	16.62	16.45	16.60
3689	NASDAQ	PKOH	Thu, Jan 18, 2007	16.19	16.62	16.13	16.60
3688	NASDAQ	PKOH	Wed, Jan 17, 2007	16.10	16.20	16.00	16.14
3687	NASDAQ	PKOH	Tue, Jan 16, 2007	15.94	16.10	15.91	16.10
3686	NASDAQ	PKOH	Fri, Jan 12, 2007	16.10	16.10	16.00	16.01
3685	NASDAQ	PKOH	Thu, Jan 11, 2007	16.32	16.32	16.07	16.13
3684	NASDAQ	PKOH	Wed, Jan 10, 2007	16.07	16.16	16.04	16.16
3683	NASDAQ	PKOH	Tue, Jan 9, 2007	16.10	16.14	16.00	16.09
3682	NASDAQ	PKOH	Mon, Jan 8, 2007	16.50	16.50	16.00	16.00
3681	NASDAQ	PKOH	Fri, Jan 5, 2007	15.99	16.35	15.99	16.18
3680	NASDAQ	PKOH	Thu, Jan 4, 2007	16.60	16.60	15.90	16.23
3679	NASDAQ	PKOH	Wed, Jan 3, 2007	16.00	16.56	15.90	16.43
3678	NASDAQ	PKOH	Fri, Dec 29, 2006	16.06	16.26	15.90	16.12
3677	NASDAQ	PKOH	Thu, Dec 28, 2006	16.20	16.31	16.15	16.18
3676	NASDAQ	PKOH	Wed, Dec 27, 2006	16.80	16.86	16.07	16.07
3675	NASDAQ	PKOH	Tue, Dec 26, 2006	16.37	16.99	16.37	16.78
3674	NASDAQ	PKOH	Fri, Dec 22, 2006	16.21	16.68	15.57	15.97
3673	NASDAQ	PKOH	Thu, Dec 21, 2006	15.96	17.08	15.95	16.39
3672	NASDAQ	PKOH	Wed, Dec 20, 2006	16.43	16.47	15.90	15.99
3671	NASDAQ	PKOH	Tue, Dec 19, 2006	16.01	16.44	15.93	16.43
3670	NASDAQ	PKOH	Mon, Dec 18, 2006	15.77	17.00	15.77	16.12
3669	NASDAQ	PKOH	Fri, Dec 15, 2006	16.25	16.27	15.46	15.94
3668	NASDAQ	PKOH	Thu, Dec 14, 2006	16.33	16.73	16.26	16.36
3667	NASDAQ	PKOH	Wed, Dec 13, 2006	16.61	16.68	16.25	16.33
3666	NASDAQ	PKOH	Tue, Dec 12, 2006	16.56	16.94	16.36	16.58
3665	NASDAQ	PKOH	Mon, Dec 11, 2006	16.76	16.76	16.31	16.46
3664	NASDAQ	PKOH	Fri, Dec 8, 2006	16.74	17.27	16.66	16.96
3663	NASDAQ	PKOH	Thu, Dec 7, 2006	17.37	17.50	16.55	16.70
3662	NASDAQ	PKOH	Wed, Dec 6, 2006	17.03	17.61	16.66	17.31
3661	NASDAQ	PKOH	Tue, Dec 5, 2006	16.85	17.55	16.10	17.17
3660	NASDAQ	PKOH	Mon, Dec 4, 2006	17.05	17.08	16.60	16.96
3659	NASDAQ	PKOH	Fri, Dec 1, 2006	16.50	17.18	16.40	17.15
3658	NASDAQ	PKOH	Thu, Nov 30, 2006	16.68	16.78	16.25	16.67
3657	NASDAQ	PKOH	Wed, Nov 29, 2006	15.90	16.54	15.90	16.54
3656	NASDAQ	PKOH	Tue, Nov 28, 2006	16.19	16.25	15.83	16.05
3655	NASDAQ	PKOH	Mon, Nov 27, 2006	15.80	16.22	15.72	16.10
3654	NASDAQ	PKOH	Fri, Nov 24, 2006	16.15	16.15	15.76	15.87
3653	NASDAQ	PKOH	Wed, Nov 22, 2006	15.47	16.16	15.47	16.05
3652	NASDAQ	PKOH	Tue, Nov 21, 2006	15.21	15.81	15.15	15.54
3651	NASDAQ	PKOH	Mon, Nov 20, 2006	16.00	16.69	15.03	15.13
3650	NASDAQ	PKOH	Fri, Nov 17, 2006	15.29	16.07	15.21	16.00
3649	NASDAQ	PKOH	Thu, Nov 16, 2006	15.41	15.41	15.01	15.18
3648	NASDAQ	PKOH	Wed, Nov 15, 2006	14.85	15.33	14.77	15.33
3647	NASDAQ	PKOH	Tue, Nov 14, 2006	15.09	15.18	14.63	14.66
3646	NASDAQ	PKOH	Mon, Nov 13, 2006	14.60	15.29	14.53	15.21
3645	NASDAQ	PKOH	Fri, Nov 10, 2006	14.90	14.94	14.40	14.47
3644	NASDAQ	PKOH	Thu, Nov 9, 2006	15.01	15.03	14.60	14.89
3643	NASDAQ	PKOH	Wed, Nov 8, 2006	14.76	15.10	14.76	15.01
3642	NASDAQ	PKOH	Tue, Nov 7, 2006	14.97	15.01	14.76	14.91
3641	NASDAQ	PKOH	Mon, Nov 6, 2006	14.44	15.29	14.39	15.10
3640	NASDAQ	PKOH	Fri, Nov 3, 2006	14.54	14.96	14.21	14.24
3639	NASDAQ	PKOH	Thu, Nov 2, 2006	14.29	14.75	13.95	14.70
3638	NASDAQ	PKOH	Wed, Nov 1, 2006	14.23	14.44	13.89	13.91
3637	NASDAQ	PKOH	Tue, Oct 31, 2006	14.15	15.67	13.50	14.01
3636	NASDAQ	PKOH	Mon, Oct 30, 2006	15.50	15.50	14.50	14.70
3635	NASDAQ	PKOH	Fri, Oct 27, 2006	14.53	15.29	14.38	15.29
3634	NASDAQ	PKOH	Thu, Oct 26, 2006	14.23	14.67	14.11	14.61
3633	NASDAQ	PKOH	Wed, Oct 25, 2006	15.03	15.03	13.89	13.95
3632	NASDAQ	PKOH	Tue, Oct 24, 2006	14.31	15.06	14.02	15.00
3631	NASDAQ	PKOH	Mon, Oct 23, 2006	14.10	14.65	13.98	14.03
3630	NASDAQ	PKOH	Fri, Oct 20, 2006	14.45	14.45	13.72	13.98
3629	NASDAQ	PKOH	Thu, Oct 19, 2006	15.13	15.27	14.40	14.52
3628	NASDAQ	PKOH	Wed, Oct 18, 2006	13.65	15.17	13.65	15.10
3627	NASDAQ	PKOH	Tue, Oct 17, 2006	14.30	14.54	13.50	13.54
3626	NASDAQ	PKOH	Mon, Oct 16, 2006	13.47	14.50	13.47	14.49
3625	NASDAQ	PKOH	Fri, Oct 13, 2006	14.14	14.29	13.37	13.37
3624	NASDAQ	PKOH	Thu, Oct 12, 2006	13.65	14.42	13.60	14.32
3623	NASDAQ	PKOH	Wed, Oct 11, 2006	13.69	14.00	13.69	13.84
3622	NASDAQ	PKOH	Tue, Oct 10, 2006	13.62	14.75	13.62	14.00
3621	NASDAQ	PKOH	Mon, Oct 9, 2006	13.18	13.93	13.18	13.61
3620	NASDAQ	PKOH	Fri, Oct 6, 2006	12.96	13.39	12.96	13.15
3619	NASDAQ	PKOH	Thu, Oct 5, 2006	13.05	13.25	12.96	12.97
3618	NASDAQ	PKOH	Wed, Oct 4, 2006	13.30	13.37	13.19	13.20
3617	NASDAQ	PKOH	Tue, Oct 3, 2006	13.65	13.81	13.09	13.18
3616	NASDAQ	PKOH	Mon, Oct 2, 2006	13.79	13.84	13.64	13.65
3615	NASDAQ	PKOH	Fri, Sep 29, 2006	13.67	14.28	13.66	13.79
3614	NASDAQ	PKOH	Thu, Sep 28, 2006	13.20	13.93	13.20	13.41
3613	NASDAQ	PKOH	Wed, Sep 27, 2006	13.54	13.54	13.04	13.17
3612	NASDAQ	PKOH	Tue, Sep 26, 2006	12.88	13.53	12.88	13.43
3611	NASDAQ	PKOH	Mon, Sep 25, 2006	13.82	13.82	12.93	12.98
3610	NASDAQ	PKOH	Fri, Sep 22, 2006	13.55	13.88	13.20	13.42
3609	NASDAQ	PKOH	Thu, Sep 21, 2006	13.92	14.02	13.38	13.39
3608	NASDAQ	PKOH	Wed, Sep 20, 2006	13.24	14.03	13.06	13.92
3607	NASDAQ	PKOH	Tue, Sep 19, 2006	13.73	13.96	13.36	13.50
3606	NASDAQ	PKOH	Mon, Sep 18, 2006	13.86	13.98	13.39	13.46
3605	NASDAQ	PKOH	Fri, Sep 15, 2006	13.82	14.05	13.70	13.75
3604	NASDAQ	PKOH	Thu, Sep 14, 2006	13.74	13.97	13.67	13.71
3603	NASDAQ	PKOH	Wed, Sep 13, 2006	13.91	13.92	13.54	13.74
3602	NASDAQ	PKOH	Tue, Sep 12, 2006	14.00	14.24	13.45	13.93
3601	NASDAQ	PKOH	Mon, Sep 11, 2006	14.16	14.16	13.72	13.85
3600	NASDAQ	PKOH	Fri, Sep 8, 2006	14.01	14.18	13.65	13.96
3599	NASDAQ	PKOH	Thu, Sep 7, 2006	13.74	14.14	13.51	13.81
3598	NASDAQ	PKOH	Wed, Sep 6, 2006	14.01	14.48	13.63	13.69
3597	NASDAQ	PKOH	Tue, Sep 5, 2006	14.06	14.09	13.58	13.86
3596	NASDAQ	PKOH	Fri, Sep 1, 2006	13.69	13.86	13.40	13.70
3595	NASDAQ	PKOH	Thu, Aug 31, 2006	13.65	14.19	13.39	13.65
3594	NASDAQ	PKOH	Wed, Aug 30, 2006	14.23	14.44	13.60	13.70
3593	NASDAQ	PKOH	Tue, Aug 29, 2006	14.67	14.90	14.42	14.53
3592	NASDAQ	PKOH	Mon, Aug 28, 2006	14.98	14.98	14.57	14.68
3591	NASDAQ	PKOH	Fri, Aug 25, 2006	14.95	15.04	14.75	14.91
3590	NASDAQ	PKOH	Thu, Aug 24, 2006	14.06	15.26	14.06	14.94
3589	NASDAQ	PKOH	Wed, Aug 23, 2006	13.56	13.98	13.36	13.98
3588	NASDAQ	PKOH	Tue, Aug 22, 2006	12.73	13.91	12.73	13.67
3587	NASDAQ	PKOH	Mon, Aug 21, 2006	12.87	13.29	12.79	12.86
3586	NASDAQ	PKOH	Fri, Aug 18, 2006	13.78	13.80	12.72	12.87
3585	NASDAQ	PKOH	Thu, Aug 17, 2006	15.11	15.11	13.52	13.63
3584	NASDAQ	PKOH	Wed, Aug 16, 2006	14.87	15.30	14.57	14.59
3583	NASDAQ	PKOH	Tue, Aug 15, 2006	15.21	15.24	14.68	14.87
3582	NASDAQ	PKOH	Mon, Aug 14, 2006	15.20	15.36	15.11	15.18
3581	NASDAQ	PKOH	Fri, Aug 11, 2006	15.16	15.30	15.00	15.26
3580	NASDAQ	PKOH	Thu, Aug 10, 2006	15.72	16.38	15.13	15.23
3579	NASDAQ	PKOH	Wed, Aug 9, 2006	15.88	15.88	15.51	15.74
3578	NASDAQ	PKOH	Tue, Aug 8, 2006	15.41	16.18	15.41	15.88
3577	NASDAQ	PKOH	Mon, Aug 7, 2006	15.62	15.62	14.76	15.36
3576	NASDAQ	PKOH	Fri, Aug 4, 2006	15.81	15.83	15.52	15.52
3575	NASDAQ	PKOH	Thu, Aug 3, 2006	15.23	15.68	15.23	15.63
3574	NASDAQ	PKOH	Wed, Aug 2, 2006	15.77	16.29	15.48	15.80
3573	NASDAQ	PKOH	Tue, Aug 1, 2006	16.59	16.68	14.62	16.01
3572	NASDAQ	PKOH	Mon, Jul 31, 2006	16.87	17.14	16.62	16.74
3571	NASDAQ	PKOH	Fri, Jul 28, 2006	16.26	17.13	16.21	17.00
3570	NASDAQ	PKOH	Thu, Jul 27, 2006	16.11	16.29	16.11	16.29
3569	NASDAQ	PKOH	Wed, Jul 26, 2006	16.29	16.74	16.10	16.30
3568	NASDAQ	PKOH	Tue, Jul 25, 2006	16.50	17.13	16.06	16.20
3567	NASDAQ	PKOH	Mon, Jul 24, 2006	16.73	17.27	16.57	16.82
3566	NASDAQ	PKOH	Fri, Jul 21, 2006	17.05	17.05	16.41	16.74
3565	NASDAQ	PKOH	Thu, Jul 20, 2006	17.86	17.90	16.72	16.88
3564	NASDAQ	PKOH	Wed, Jul 19, 2006	16.99	18.05	16.99	18.01
3563	NASDAQ	PKOH	Tue, Jul 18, 2006	16.83	16.83	16.26	16.42
3562	NASDAQ	PKOH	Mon, Jul 17, 2006	16.83	16.83	16.25	16.60
3561	NASDAQ	PKOH	Fri, Jul 14, 2006	16.67	17.05	16.26	16.79
3560	NASDAQ	PKOH	Thu, Jul 13, 2006	16.83	16.99	16.70	16.81
3559	NASDAQ	PKOH	Wed, Jul 12, 2006	17.14	17.14	16.80	17.11
3558	NASDAQ	PKOH	Tue, Jul 11, 2006	16.78	17.15	16.76	17.12
3557	NASDAQ	PKOH	Mon, Jul 10, 2006	17.35	17.37	17.00	17.17
3556	NASDAQ	PKOH	Fri, Jul 7, 2006	17.70	17.80	17.14	17.44
3555	NASDAQ	PKOH	Thu, Jul 6, 2006	17.85	18.37	17.52	17.70
3554	NASDAQ	PKOH	Wed, Jul 5, 2006	18.27	18.27	17.23	17.89
3553	NASDAQ	PKOH	Mon, Jul 3, 2006	17.24	18.12	17.13	17.90
3552	NASDAQ	PKOH	Fri, Jun 30, 2006	17.15	17.50	16.69	17.27
3551	NASDAQ	PKOH	Thu, Jun 29, 2006	15.75	17.13	15.75	17.08
3550	NASDAQ	PKOH	Wed, Jun 28, 2006	16.08	16.08	14.87	15.81
3549	NASDAQ	PKOH	Tue, Jun 27, 2006	16.43	16.61	15.20	15.83
3548	NASDAQ	PKOH	Mon, Jun 26, 2006	15.81	17.00	15.81	16.87
3547	NASDAQ	PKOH	Fri, Jun 23, 2006	16.47	16.47	15.81	15.96
3546	NASDAQ	PKOH	Thu, Jun 22, 2006	16.77	16.93	16.09	16.53
3545	NASDAQ	PKOH	Wed, Jun 21, 2006	16.28	16.67	16.21	16.59
3544	NASDAQ	PKOH	Tue, Jun 20, 2006	16.37	16.66	16.21	16.47
3543	NASDAQ	PKOH	Mon, Jun 19, 2006	16.46	16.94	16.14	16.58
3542	NASDAQ	PKOH	Fri, Jun 16, 2006	16.98	16.98	16.30	16.63
3541	NASDAQ	PKOH	Thu, Jun 15, 2006	15.91	17.00	15.58	16.82
3540	NASDAQ	PKOH	Wed, Jun 14, 2006	15.42	16.07	15.42	15.93
3539	NASDAQ	PKOH	Tue, Jun 13, 2006	15.85	16.51	15.65	15.92
3538	NASDAQ	PKOH	Mon, Jun 12, 2006	16.10	16.66	15.65	16.40
3537	NASDAQ	PKOH	Fri, Jun 9, 2006	16.46	17.04	16.15	16.35
3536	NASDAQ	PKOH	Thu, Jun 8, 2006	16.42	16.80	15.13	16.60
3535	NASDAQ	PKOH	Wed, Jun 7, 2006	17.07	17.14	16.58	16.72
3534	NASDAQ	PKOH	Tue, Jun 6, 2006	16.77	18.00	16.72	17.20
3533	NASDAQ	PKOH	Mon, Jun 5, 2006	17.72	18.00	16.63	16.75
3532	NASDAQ	PKOH	Fri, Jun 2, 2006	17.48	17.92	17.09	17.55
3531	NASDAQ	PKOH	Thu, Jun 1, 2006	17.33	17.66	17.25	17.45
3530	NASDAQ	PKOH	Wed, May 31, 2006	17.62	17.95	17.08	17.49
3529	NASDAQ	PKOH	Tue, May 30, 2006	18.76	18.76	17.25	17.80
3528	NASDAQ	PKOH	Fri, May 26, 2006	19.15	19.15	18.38	18.38
3527	NASDAQ	PKOH	Thu, May 25, 2006	18.80	18.80	17.43	18.67
3526	NASDAQ	PKOH	Wed, May 24, 2006	18.21	18.84	18.21	18.73
3525	NASDAQ	PKOH	Tue, May 23, 2006	18.00	18.98	17.92	18.70
3524	NASDAQ	PKOH	Mon, May 22, 2006	18.12	18.66	18.00	18.05
3523	NASDAQ	PKOH	Fri, May 19, 2006	18.79	19.76	18.19	18.59
3522	NASDAQ	PKOH	Thu, May 18, 2006	19.90	20.48	19.52	19.58
3521	NASDAQ	PKOH	Wed, May 17, 2006	20.05	21.00	19.63	19.81
3520	NASDAQ	PKOH	Tue, May 16, 2006	20.32	20.32	19.79	19.90
3519	NASDAQ	PKOH	Mon, May 15, 2006	20.60	20.86	19.28	20.22
3518	NASDAQ	PKOH	Fri, May 12, 2006	20.95	20.95	20.59	20.81
3517	NASDAQ	PKOH	Thu, May 11, 2006	20.93	20.93	20.54	20.92
3516	NASDAQ	PKOH	Wed, May 10, 2006	20.03	20.95	20.03	20.88
3515	NASDAQ	PKOH	Tue, May 9, 2006	18.73	20.46	18.73	20.24
3514	NASDAQ	PKOH	Mon, May 8, 2006	18.70	20.45	18.70	19.98
3513	NASDAQ	PKOH	Fri, May 5, 2006	19.77	19.95	19.77	19.87
3512	NASDAQ	PKOH	Thu, May 4, 2006	19.95	19.95	19.85	19.94
3511	NASDAQ	PKOH	Wed, May 3, 2006	19.76	19.89	19.61	19.75
3510	NASDAQ	PKOH	Tue, May 2, 2006	19.80	19.96	19.35	19.96
3509	NASDAQ	PKOH	Mon, May 1, 2006	19.77	20.36	18.95	18.95
3508	NASDAQ	PKOH	Fri, Apr 28, 2006	19.60	19.76	18.99	19.57
3507	NASDAQ	PKOH	Thu, Apr 27, 2006	19.20	19.44	19.20	19.41
3506	NASDAQ	PKOH	Wed, Apr 26, 2006	21.36	21.36	19.15	19.20
3505	NASDAQ	PKOH	Tue, Apr 25, 2006	19.75	20.00	19.43	19.90
3504	NASDAQ	PKOH	Mon, Apr 24, 2006	19.75	20.20	19.42	19.76
3503	NASDAQ	PKOH	Fri, Apr 21, 2006	19.15	19.53	19.00	19.34
3502	NASDAQ	PKOH	Thu, Apr 20, 2006	19.00	19.10	18.95	19.00
3501	NASDAQ	PKOH	Wed, Apr 19, 2006	19.05	19.58	18.85	18.94
3500	NASDAQ	PKOH	Tue, Apr 18, 2006	19.50	19.50	19.05	19.28
3499	NASDAQ	PKOH	Mon, Apr 17, 2006	19.41	20.75	19.41	19.71
3498	NASDAQ	PKOH	Thu, Apr 13, 2006	19.37	19.69	19.15	19.39
3497	NASDAQ	PKOH	Wed, Apr 12, 2006	18.80	19.80	18.80	19.57
3496	NASDAQ	PKOH	Tue, Apr 11, 2006	19.65	19.74	19.17	19.24
3495	NASDAQ	PKOH	Mon, Apr 10, 2006	20.20	20.43	19.58	19.67
3494	NASDAQ	PKOH	Fri, Apr 7, 2006	19.72	20.00	19.53	19.94
3493	NASDAQ	PKOH	Thu, Apr 6, 2006	19.32	20.00	19.32	19.81
3492	NASDAQ	PKOH	Wed, Apr 5, 2006	19.80	20.05	18.47	19.68
3491	NASDAQ	PKOH	Tue, Apr 4, 2006	20.06	20.14	19.01	19.98
3490	NASDAQ	PKOH	Mon, Apr 3, 2006	20.00	20.19	19.92	20.05
3489	NASDAQ	PKOH	Fri, Mar 31, 2006	19.66	20.09	19.03	19.96
3488	NASDAQ	PKOH	Thu, Mar 30, 2006	19.60	20.44	19.40	19.76
3487	NASDAQ	PKOH	Wed, Mar 29, 2006	19.25	19.64	18.97	19.60
3486	NASDAQ	PKOH	Tue, Mar 28, 2006	19.01	19.48	19.00	19.26
3485	NASDAQ	PKOH	Mon, Mar 27, 2006	18.89	19.75	17.99	19.50
3484	NASDAQ	PKOH	Fri, Mar 24, 2006	19.70	20.11	18.54	19.09
3483	NASDAQ	PKOH	Thu, Mar 23, 2006	20.66	20.99	19.75	19.75
3482	NASDAQ	PKOH	Wed, Mar 22, 2006	19.51	21.10	19.51	20.94
3481	NASDAQ	PKOH	Tue, Mar 21, 2006	19.52	19.95	19.40	19.85
3480	NASDAQ	PKOH	Mon, Mar 20, 2006	18.18	20.13	18.16	19.72
3479	NASDAQ	PKOH	Fri, Mar 17, 2006	20.74	20.74	18.26	18.42
3478	NASDAQ	PKOH	Thu, Mar 16, 2006	20.20	21.23	20.20	20.74
3477	NASDAQ	PKOH	Wed, Mar 15, 2006	17.22	20.76	17.22	20.02
3476	NASDAQ	PKOH	Tue, Mar 14, 2006	17.16	17.42	17.15	17.21
3475	NASDAQ	PKOH	Mon, Mar 13, 2006	17.92	17.96	17.28	17.36
3474	NASDAQ	PKOH	Fri, Mar 10, 2006	17.21	18.50	17.18	18.05
3473	NASDAQ	PKOH	Thu, Mar 9, 2006	17.35	17.88	17.35	17.40
3472	NASDAQ	PKOH	Wed, Mar 8, 2006	18.30	18.50	17.08	17.39
3471	NASDAQ	PKOH	Tue, Mar 7, 2006	19.06	19.06	18.21	18.55
3470	NASDAQ	PKOH	Mon, Mar 6, 2006	19.30	19.67	18.51	19.36
3469	NASDAQ	PKOH	Fri, Mar 3, 2006	19.60	19.96	18.82	19.80
3468	NASDAQ	PKOH	Thu, Mar 2, 2006	19.64	20.00	19.11	19.96
3467	NASDAQ	PKOH	Wed, Mar 1, 2006	20.51	21.00	19.55	19.79
3466	NASDAQ	PKOH	Tue, Feb 28, 2006	20.50	20.96	19.74	20.72
3465	NASDAQ	PKOH	Mon, Feb 27, 2006	18.92	20.99	18.92	20.74
3464	NASDAQ	PKOH	Fri, Feb 24, 2006	18.70	19.30	18.24	19.30
3463	NASDAQ	PKOH	Thu, Feb 23, 2006	20.35	20.35	18.58	19.07
3462	NASDAQ	PKOH	Wed, Feb 22, 2006	20.93	20.93	20.22	20.33
3461	NASDAQ	PKOH	Tue, Feb 21, 2006	20.80	21.05	20.50	21.04
3460	NASDAQ	PKOH	Fri, Feb 17, 2006	20.50	20.84	20.23	20.80
3459	NASDAQ	PKOH	Thu, Feb 16, 2006	19.49	20.59	19.49	20.45
3458	NASDAQ	PKOH	Wed, Feb 15, 2006	19.35	19.74	18.66	19.67
3457	NASDAQ	PKOH	Tue, Feb 14, 2006	18.84	19.62	18.84	19.32
3456	NASDAQ	PKOH	Mon, Feb 13, 2006	19.11	19.41	18.57	19.00
3455	NASDAQ	PKOH	Fri, Feb 10, 2006	19.11	19.24	19.02	19.13
3454	NASDAQ	PKOH	Thu, Feb 9, 2006	19.29	19.66	19.01	19.39
3453	NASDAQ	PKOH	Wed, Feb 8, 2006	19.19	19.60	19.19	19.53
3452	NASDAQ	PKOH	Tue, Feb 7, 2006	19.05	19.91	19.02	19.34
3451	NASDAQ	PKOH	Mon, Feb 6, 2006	18.05	19.06	18.05	19.01
3450	NASDAQ	PKOH	Fri, Feb 3, 2006	17.25	17.97	17.25	17.96
3449	NASDAQ	PKOH	Thu, Feb 2, 2006	17.50	17.74	17.00	17.40
3448	NASDAQ	PKOH	Wed, Feb 1, 2006	16.20	17.66	16.17	17.39
3447	NASDAQ	PKOH	Tue, Jan 31, 2006	16.00	16.50	16.00	16.49
3446	NASDAQ	PKOH	Mon, Jan 30, 2006	16.52	16.61	16.00	16.21
3445	NASDAQ	PKOH	Fri, Jan 27, 2006	15.85	16.69	15.56	16.69
3444	NASDAQ	PKOH	Thu, Jan 26, 2006	15.24	15.80	15.24	15.80
3443	NASDAQ	PKOH	Wed, Jan 25, 2006	15.05	15.57	15.05	15.57
3442	NASDAQ	PKOH	Tue, Jan 24, 2006	15.23	15.30	15.05	15.15
3441	NASDAQ	PKOH	Mon, Jan 23, 2006	15.15	15.39	15.15	15.39
3440	NASDAQ	PKOH	Fri, Jan 20, 2006	15.35	15.35	15.09	15.11
3439	NASDAQ	PKOH	Thu, Jan 19, 2006	15.00	15.63	15.00	15.60
3438	NASDAQ	PKOH	Wed, Jan 18, 2006	14.56	15.43	14.56	15.20
3437	NASDAQ	PKOH	Tue, Jan 17, 2006	14.95	15.15	14.95	15.08
3436	NASDAQ	PKOH	Fri, Jan 13, 2006	15.24	15.25	14.83	14.99
3435	NASDAQ	PKOH	Thu, Jan 12, 2006	14.85	15.23	14.37	14.83
3434	NASDAQ	PKOH	Wed, Jan 11, 2006	13.91	15.00	13.91	14.66
3433	NASDAQ	PKOH	Tue, Jan 10, 2006	14.75	15.00	14.02	14.25
3432	NASDAQ	PKOH	Mon, Jan 9, 2006	13.93	15.00	13.93	14.92
3431	NASDAQ	PKOH	Fri, Jan 6, 2006	13.68	15.75	13.68	13.88
3430	NASDAQ	PKOH	Thu, Jan 5, 2006	14.18	14.19	13.38	13.67
3429	NASDAQ	PKOH	Wed, Jan 4, 2006	13.32	14.36	13.31	14.26
3428	NASDAQ	PKOH	Tue, Jan 3, 2006	13.80	14.04	13.25	13.50
3427	NASDAQ	PKOH	Fri, Dec 30, 2005	14.03	14.25	14.03	14.10
3426	NASDAQ	PKOH	Thu, Dec 29, 2005	14.02	14.59	14.02	14.32
3425	NASDAQ	PKOH	Wed, Dec 28, 2005	13.66	14.22	13.59	14.22
3424	NASDAQ	PKOH	Tue, Dec 27, 2005	14.05	14.24	13.52	13.80
3423	NASDAQ	PKOH	Fri, Dec 23, 2005	14.35	14.40	14.16	14.21
3422	NASDAQ	PKOH	Thu, Dec 22, 2005	14.35	14.60	14.16	14.35
3421	NASDAQ	PKOH	Wed, Dec 21, 2005	14.15	15.16	14.02	14.39
3420	NASDAQ	PKOH	Tue, Dec 20, 2005	14.65	14.72	14.25	14.33
3419	NASDAQ	PKOH	Mon, Dec 19, 2005	15.20	15.24	14.68	14.70
3418	NASDAQ	PKOH	Fri, Dec 16, 2005	14.05	15.50	14.05	15.10
3417	NASDAQ	PKOH	Thu, Dec 15, 2005	15.05	15.12	14.00	14.00
3416	NASDAQ	PKOH	Wed, Dec 14, 2005	15.27	15.55	15.17	15.25
3415	NASDAQ	PKOH	Tue, Dec 13, 2005	15.02	15.60	15.00	15.25
3414	NASDAQ	PKOH	Mon, Dec 12, 2005	15.00	15.18	15.00	15.08
3413	NASDAQ	PKOH	Fri, Dec 9, 2005	14.87	15.13	14.87	15.02
3412	NASDAQ	PKOH	Thu, Dec 8, 2005	14.82	15.05	14.51	15.05
3411	NASDAQ	PKOH	Wed, Dec 7, 2005	14.85	15.10	14.82	14.92
3410	NASDAQ	PKOH	Tue, Dec 6, 2005	15.27	15.35	14.90	15.06
3409	NASDAQ	PKOH	Mon, Dec 5, 2005	15.80	16.06	15.18	15.38
3408	NASDAQ	PKOH	Fri, Dec 2, 2005	14.96	16.14	14.90	15.95
3407	NASDAQ	PKOH	Thu, Dec 1, 2005	16.05	16.05	14.88	14.96
3406	NASDAQ	PKOH	Wed, Nov 30, 2005	15.24	15.88	15.24	15.75
3405	NASDAQ	PKOH	Tue, Nov 29, 2005	15.39	15.42	15.28	15.32
3404	NASDAQ	PKOH	Mon, Nov 28, 2005	15.45	15.75	15.45	15.63
3403	NASDAQ	PKOH	Fri, Nov 25, 2005	15.50	15.73	15.27	15.30
3402	NASDAQ	PKOH	Wed, Nov 23, 2005	14.80	15.58	14.80	15.55
3401	NASDAQ	PKOH	Tue, Nov 22, 2005	14.50	15.20	14.50	15.04
3400	NASDAQ	PKOH	Mon, Nov 21, 2005	14.58	14.99	14.58	14.74
3399	NASDAQ	PKOH	Fri, Nov 18, 2005	13.97	14.91	13.97	14.61
3398	NASDAQ	PKOH	Thu, Nov 17, 2005	14.21	14.32	13.81	14.12
3397	NASDAQ	PKOH	Wed, Nov 16, 2005	14.21	14.34	14.08	14.19
3396	NASDAQ	PKOH	Tue, Nov 15, 2005	14.67	14.76	14.26	14.26
3395	NASDAQ	PKOH	Mon, Nov 14, 2005	15.16	15.46	14.70	14.78
3394	NASDAQ	PKOH	Fri, Nov 11, 2005	15.36	15.52	15.15	15.38
3393	NASDAQ	PKOH	Thu, Nov 10, 2005	15.68	15.86	15.51	15.57
3392	NASDAQ	PKOH	Wed, Nov 9, 2005	15.86	16.00	15.63	15.78
3391	NASDAQ	PKOH	Tue, Nov 8, 2005	15.90	16.11	15.90	16.08
3390	NASDAQ	PKOH	Mon, Nov 7, 2005	16.25	16.26	15.91	16.00
3389	NASDAQ	PKOH	Fri, Nov 4, 2005	17.29	17.29	16.25	16.25
3388	NASDAQ	PKOH	Thu, Nov 3, 2005	15.87	17.24	15.87	16.90
3387	NASDAQ	PKOH	Wed, Nov 2, 2005	16.43	16.59	15.87	16.02
3386	NASDAQ	PKOH	Tue, Nov 1, 2005	16.62	17.07	15.47	16.66
3385	NASDAQ	PKOH	Mon, Oct 31, 2005	16.45	16.87	16.34	16.55
3384	NASDAQ	PKOH	Fri, Oct 28, 2005	16.16	16.67	16.08	16.63
3383	NASDAQ	PKOH	Thu, Oct 27, 2005	16.00	16.13	15.78	15.78
3382	NASDAQ	PKOH	Wed, Oct 26, 2005	16.85	16.92	16.07	16.15
3381	NASDAQ	PKOH	Tue, Oct 25, 2005	15.56	16.96	15.24	16.75
3380	NASDAQ	PKOH	Mon, Oct 24, 2005	15.45	16.15	15.44	15.83
3379	NASDAQ	PKOH	Fri, Oct 21, 2005	15.79	15.93	15.51	15.71
3378	NASDAQ	PKOH	Thu, Oct 20, 2005	16.00	16.17	15.98	16.00
3377	NASDAQ	PKOH	Wed, Oct 19, 2005	15.26	15.81	15.26	15.72
3376	NASDAQ	PKOH	Tue, Oct 18, 2005	15.50	15.97	15.33	15.82
3375	NASDAQ	PKOH	Mon, Oct 17, 2005	15.78	16.16	15.76	15.86
3374	NASDAQ	PKOH	Fri, Oct 14, 2005	15.57	16.29	15.57	16.03
3373	NASDAQ	PKOH	Thu, Oct 13, 2005	15.47	16.03	15.47	15.96
3372	NASDAQ	PKOH	Wed, Oct 12, 2005	15.61	16.04	15.61	15.92
3371	NASDAQ	PKOH	Tue, Oct 11, 2005	15.75	16.08	15.43	16.08
3370	NASDAQ	PKOH	Mon, Oct 10, 2005	16.22	16.87	15.75	15.81
3369	NASDAQ	PKOH	Fri, Oct 7, 2005	15.52	16.88	15.52	16.68
3368	NASDAQ	PKOH	Thu, Oct 6, 2005	16.14	16.38	15.26	15.78
3367	NASDAQ	PKOH	Wed, Oct 5, 2005	16.08	16.35	16.01	16.15
3366	NASDAQ	PKOH	Tue, Oct 4, 2005	16.96	17.02	15.93	16.15
3365	NASDAQ	PKOH	Mon, Oct 3, 2005	17.44	17.78	16.80	17.05
3364	NASDAQ	PKOH	Fri, Sep 30, 2005	17.00	17.81	17.00	17.56
3363	NASDAQ	PKOH	Thu, Sep 29, 2005	17.50	17.50	16.76	17.07
3362	NASDAQ	PKOH	Wed, Sep 28, 2005	17.05	17.45	17.05	17.44
3361	NASDAQ	PKOH	Tue, Sep 27, 2005	17.00	17.50	17.00	17.39
3360	NASDAQ	PKOH	Mon, Sep 26, 2005	17.24	17.24	16.37	17.04
3359	NASDAQ	PKOH	Fri, Sep 23, 2005	16.50	17.10	16.50	16.92
3358	NASDAQ	PKOH	Thu, Sep 22, 2005	16.75	17.19	16.30	16.53
3357	NASDAQ	PKOH	Wed, Sep 21, 2005	17.07	17.50	16.42	16.58
3356	NASDAQ	PKOH	Tue, Sep 20, 2005	17.82	18.13	16.62	16.90
3355	NASDAQ	PKOH	Mon, Sep 19, 2005	18.00	18.23	17.93	17.99
3354	NASDAQ	PKOH	Fri, Sep 16, 2005	18.49	18.78	18.24	18.31
3353	NASDAQ	PKOH	Thu, Sep 15, 2005	18.21	18.79	18.21	18.54
3352	NASDAQ	PKOH	Wed, Sep 14, 2005	19.09	19.09	18.16	18.44
3351	NASDAQ	PKOH	Tue, Sep 13, 2005	19.00	19.30	18.80	19.03
3350	NASDAQ	PKOH	Mon, Sep 12, 2005	19.10	19.28	18.81	18.91
3349	NASDAQ	PKOH	Fri, Sep 9, 2005	19.49	19.70	19.03	19.30
3348	NASDAQ	PKOH	Thu, Sep 8, 2005	19.31	19.80	19.31	19.50
3347	NASDAQ	PKOH	Wed, Sep 7, 2005	18.94	19.60	18.94	19.56
3346	NASDAQ	PKOH	Tue, Sep 6, 2005	18.92	19.47	18.92	19.22
3345	NASDAQ	PKOH	Fri, Sep 2, 2005	19.18	19.50	19.00	19.13
3344	NASDAQ	PKOH	Thu, Sep 1, 2005	19.12	19.49	18.98	19.48
3343	NASDAQ	PKOH	Wed, Aug 31, 2005	18.68	19.28	18.67	18.98
3342	NASDAQ	PKOH	Tue, Aug 30, 2005	19.50	19.50	18.73	18.99
3341	NASDAQ	PKOH	Mon, Aug 29, 2005	18.91	19.50	18.86	19.37
3340	NASDAQ	PKOH	Fri, Aug 26, 2005	18.97	19.50	18.93	18.95
3339	NASDAQ	PKOH	Thu, Aug 25, 2005	18.69	19.32	18.39	18.98
3338	NASDAQ	PKOH	Wed, Aug 24, 2005	19.85	20.00	18.70	18.76
3337	NASDAQ	PKOH	Tue, Aug 23, 2005	19.95	20.42	18.81	19.91
3336	NASDAQ	PKOH	Mon, Aug 22, 2005	18.66	20.73	18.66	19.95
3335	NASDAQ	PKOH	Fri, Aug 19, 2005	18.89	19.09	18.84	18.84
3334	NASDAQ	PKOH	Thu, Aug 18, 2005	19.60	19.85	18.70	19.08
3333	NASDAQ	PKOH	Wed, Aug 17, 2005	20.00	20.29	19.64	19.80
3332	NASDAQ	PKOH	Tue, Aug 16, 2005	20.41	20.45	20.10	20.23
3331	NASDAQ	PKOH	Mon, Aug 15, 2005	20.13	20.49	19.98	20.33
3330	NASDAQ	PKOH	Fri, Aug 12, 2005	19.75	20.15	19.75	19.89
3329	NASDAQ	PKOH	Thu, Aug 11, 2005	19.86	20.45	19.71	19.78
3328	NASDAQ	PKOH	Wed, Aug 10, 2005	20.30	20.54	19.75	19.91
3327	NASDAQ	PKOH	Tue, Aug 9, 2005	20.29	20.49	20.28	20.30
3326	NASDAQ	PKOH	Mon, Aug 8, 2005	21.15	21.22	20.16	20.49
3325	NASDAQ	PKOH	Fri, Aug 5, 2005	21.00	21.68	21.00	21.26
3324	NASDAQ	PKOH	Thu, Aug 4, 2005	21.23	21.49	21.07	21.31
3323	NASDAQ	PKOH	Wed, Aug 3, 2005	21.32	21.50	21.10	21.42
3322	NASDAQ	PKOH	Tue, Aug 2, 2005	20.63	21.22	20.63	21.22
3321	NASDAQ	PKOH	Mon, Aug 1, 2005	19.75	21.20	19.66	20.73
3320	NASDAQ	PKOH	Fri, Jul 29, 2005	19.50	20.41	19.50	20.32
3319	NASDAQ	PKOH	Thu, Jul 28, 2005	19.50	20.00	18.40	19.71
3318	NASDAQ	PKOH	Wed, Jul 27, 2005	19.20	19.87	18.43	18.74
3317	NASDAQ	PKOH	Tue, Jul 26, 2005	18.98	19.62	18.26	19.45
3316	NASDAQ	PKOH	Mon, Jul 25, 2005	18.35	18.96	18.18	18.90
3315	NASDAQ	PKOH	Fri, Jul 22, 2005	18.72	18.94	18.20	18.37
3314	NASDAQ	PKOH	Thu, Jul 21, 2005	18.14	18.70	18.14	18.68
3313	NASDAQ	PKOH	Wed, Jul 20, 2005	18.17	18.65	17.65	18.27
3312	NASDAQ	PKOH	Tue, Jul 19, 2005	17.72	18.62	17.64	18.25
3311	NASDAQ	PKOH	Mon, Jul 18, 2005	17.71	18.09	17.56	17.81
3310	NASDAQ	PKOH	Fri, Jul 15, 2005	18.46	18.71	17.88	17.89
3309	NASDAQ	PKOH	Thu, Jul 14, 2005	19.27	20.72	18.14	18.46
3308	NASDAQ	PKOH	Wed, Jul 13, 2005	17.88	19.22	17.70	19.06
3307	NASDAQ	PKOH	Tue, Jul 12, 2005	18.00	18.01	17.30	17.61
3306	NASDAQ	PKOH	Mon, Jul 11, 2005	17.30	17.91	17.25	17.91
3305	NASDAQ	PKOH	Fri, Jul 8, 2005	16.95	17.50	16.91	17.27
3304	NASDAQ	PKOH	Thu, Jul 7, 2005	16.45	17.00	16.44	16.91
3303	NASDAQ	PKOH	Wed, Jul 6, 2005	16.50	16.70	16.50	16.66
3302	NASDAQ	PKOH	Tue, Jul 5, 2005	16.59	16.64	16.29	16.54
3301	NASDAQ	PKOH	Fri, Jul 1, 2005	16.69	16.86	16.59	16.81
3300	NASDAQ	PKOH	Thu, Jun 30, 2005	16.55	16.95	16.54	16.79
3299	NASDAQ	PKOH	Wed, Jun 29, 2005	16.74	16.90	16.72	16.75
3298	NASDAQ	PKOH	Tue, Jun 28, 2005	16.96	17.13	16.76	16.98
3297	NASDAQ	PKOH	Mon, Jun 27, 2005	16.50	16.84	16.28	16.72
3296	NASDAQ	PKOH	Fri, Jun 24, 2005	16.43	17.50	16.43	17.02
3295	NASDAQ	PKOH	Thu, Jun 23, 2005	16.99	16.99	16.37	16.65
3294	NASDAQ	PKOH	Wed, Jun 22, 2005	17.48	17.50	17.13	17.19
3293	NASDAQ	PKOH	Tue, Jun 21, 2005	17.54	17.72	17.26	17.59
3292	NASDAQ	PKOH	Mon, Jun 20, 2005	18.11	18.11	17.14	17.72
3291	NASDAQ	PKOH	Fri, Jun 17, 2005	18.29	18.29	17.98	18.25
3290	NASDAQ	PKOH	Thu, Jun 16, 2005	16.94	18.30	16.26	18.20
3289	NASDAQ	PKOH	Wed, Jun 15, 2005	17.35	17.41	16.88	17.07
3288	NASDAQ	PKOH	Tue, Jun 14, 2005	18.11	18.34	17.45	17.51
3287	NASDAQ	PKOH	Mon, Jun 13, 2005	18.00	18.40	17.31	18.25
3286	NASDAQ	PKOH	Fri, Jun 10, 2005	17.12	17.92	17.12	17.91
3285	NASDAQ	PKOH	Thu, Jun 9, 2005	16.66	17.24	16.60	17.21
3284	NASDAQ	PKOH	Wed, Jun 8, 2005	15.90	16.82	15.90	16.64
3283	NASDAQ	PKOH	Tue, Jun 7, 2005	15.86	16.47	15.68	15.94
3282	NASDAQ	PKOH	Mon, Jun 6, 2005	15.59	15.99	15.59	15.86
3281	NASDAQ	PKOH	Fri, Jun 3, 2005	15.29	15.94	15.21	15.69
3280	NASDAQ	PKOH	Thu, Jun 2, 2005	15.11	15.57	15.11	15.51
3279	NASDAQ	PKOH	Wed, Jun 1, 2005	15.11	15.30	15.05	15.25
3278	NASDAQ	PKOH	Tue, May 31, 2005	14.84	15.94	14.84	15.25
3277	NASDAQ	PKOH	Fri, May 27, 2005	14.86	15.11	14.79	15.06
3276	NASDAQ	PKOH	Thu, May 26, 2005	14.74	15.29	14.70	15.24
3275	NASDAQ	PKOH	Wed, May 25, 2005	15.21	15.30	14.75	14.88
3274	NASDAQ	PKOH	Tue, May 24, 2005	14.40	15.35	14.40	14.81
3273	NASDAQ	PKOH	Mon, May 23, 2005	14.86	15.02	14.58	14.83
3272	NASDAQ	PKOH	Fri, May 20, 2005	14.70	15.43	14.43	14.96
3271	NASDAQ	PKOH	Thu, May 19, 2005	15.28	15.50	15.01	15.02
3270	NASDAQ	PKOH	Wed, May 18, 2005	14.84	15.91	14.46	15.43
3269	NASDAQ	PKOH	Tue, May 17, 2005	14.23	14.98	14.23	14.74
3268	NASDAQ	PKOH	Mon, May 16, 2005	14.50	15.05	14.50	14.59
3267	NASDAQ	PKOH	Fri, May 13, 2005	14.81	15.08	14.40	14.50
3266	NASDAQ	PKOH	Thu, May 12, 2005	15.33	15.44	14.83	15.05
3265	NASDAQ	PKOH	Wed, May 11, 2005	15.25	15.38	14.96	14.96
3264	NASDAQ	PKOH	Tue, May 10, 2005	15.00	15.72	15.00	15.63
3263	NASDAQ	PKOH	Mon, May 9, 2005	15.71	15.74	14.79	15.25
3262	NASDAQ	PKOH	Fri, May 6, 2005	15.82	15.96	15.71	15.87
3261	NASDAQ	PKOH	Thu, May 5, 2005	16.45	16.45	15.70	15.73
3260	NASDAQ	PKOH	Wed, May 4, 2005	16.89	17.20	16.09	16.09
3259	NASDAQ	PKOH	Tue, May 3, 2005	14.75	17.54	14.75	15.40
3258	NASDAQ	PKOH	Mon, May 2, 2005	14.10	15.45	14.10	14.90
3257	NASDAQ	PKOH	Fri, Apr 29, 2005	13.77	14.28	13.77	14.14
3256	NASDAQ	PKOH	Thu, Apr 28, 2005	13.77	14.20	13.77	14.11
3255	NASDAQ	PKOH	Wed, Apr 27, 2005	13.99	14.30	13.70	13.84
3254	NASDAQ	PKOH	Tue, Apr 26, 2005	13.60	14.33	13.60	14.20
3253	NASDAQ	PKOH	Mon, Apr 25, 2005	13.66	14.56	13.58	13.79
3252	NASDAQ	PKOH	Fri, Apr 22, 2005	13.28	13.90	13.25	13.33
3251	NASDAQ	PKOH	Thu, Apr 21, 2005	12.88	13.69	12.88	13.35
3250	NASDAQ	PKOH	Wed, Apr 20, 2005	13.96	14.35	13.13	13.29
3249	NASDAQ	PKOH	Tue, Apr 19, 2005	15.20	15.41	13.91	14.09
3248	NASDAQ	PKOH	Mon, Apr 18, 2005	15.80	15.94	15.26	15.30
3247	NASDAQ	PKOH	Fri, Apr 15, 2005	15.94	16.47	15.86	16.21
3246	NASDAQ	PKOH	Thu, Apr 14, 2005	16.00	16.36	16.00	16.29
3245	NASDAQ	PKOH	Wed, Apr 13, 2005	16.75	16.75	16.02	16.13
3244	NASDAQ	PKOH	Tue, Apr 12, 2005	18.10	18.88	16.51	16.91
3243	NASDAQ	PKOH	Mon, Apr 11, 2005	17.91	19.13	17.91	18.78
3242	NASDAQ	PKOH	Fri, Apr 8, 2005	18.31	18.51	18.06	18.19
3241	NASDAQ	PKOH	Thu, Apr 7, 2005	18.55	18.76	18.30	18.53
3240	NASDAQ	PKOH	Wed, Apr 6, 2005	18.73	18.94	18.33	18.84
3239	NASDAQ	PKOH	Tue, Apr 5, 2005	17.83	18.77	17.83	18.68
3238	NASDAQ	PKOH	Mon, Apr 4, 2005	18.58	18.95	17.37	18.43
3237	NASDAQ	PKOH	Fri, Apr 1, 2005	18.75	19.80	18.50	18.82
3236	NASDAQ	PKOH	Thu, Mar 31, 2005	18.11	18.75	18.11	18.74
3235	NASDAQ	PKOH	Wed, Mar 30, 2005	18.66	18.76	18.10	18.20
3234	NASDAQ	PKOH	Tue, Mar 29, 2005	18.70	18.84	18.18	18.40
3233	NASDAQ	PKOH	Mon, Mar 28, 2005	18.25	18.85	18.00	18.67
3232	NASDAQ	PKOH	Thu, Mar 24, 2005	19.15	19.84	18.30	18.72
3231	NASDAQ	PKOH	Wed, Mar 23, 2005	19.97	20.00	19.13	19.46
3230	NASDAQ	PKOH	Tue, Mar 22, 2005	20.61	20.85	20.03	20.10
3229	NASDAQ	PKOH	Mon, Mar 21, 2005	21.03	21.24	20.72	20.84
3228	NASDAQ	PKOH	Fri, Mar 18, 2005	22.01	22.01	21.05	21.31
3227	NASDAQ	PKOH	Thu, Mar 17, 2005	21.80	22.47	21.15	21.50
3226	NASDAQ	PKOH	Wed, Mar 16, 2005	22.80	22.82	21.30	22.43
3225	NASDAQ	PKOH	Tue, Mar 15, 2005	23.41	24.33	22.80	22.98
3224	NASDAQ	PKOH	Mon, Mar 14, 2005	27.05	27.72	23.00	24.31
3223	NASDAQ	PKOH	Fri, Mar 11, 2005	28.91	29.27	28.91	29.18
3222	NASDAQ	PKOH	Thu, Mar 10, 2005	29.50	29.81	28.84	29.17
3221	NASDAQ	PKOH	Wed, Mar 9, 2005	30.90	30.90	29.12	29.76
3220	NASDAQ	PKOH	Tue, Mar 8, 2005	30.70	30.74	30.46	30.55
3219	NASDAQ	PKOH	Mon, Mar 7, 2005	30.70	30.74	29.60	30.60
3218	NASDAQ	PKOH	Fri, Mar 4, 2005	30.45	30.45	29.26	29.91
3217	NASDAQ	PKOH	Thu, Mar 3, 2005	30.79	30.90	29.61	30.33
3216	NASDAQ	PKOH	Wed, Mar 2, 2005	29.43	30.78	28.80	30.78
3215	NASDAQ	PKOH	Tue, Mar 1, 2005	26.24	29.40	26.24	29.39
3214	NASDAQ	PKOH	Mon, Feb 28, 2005	26.94	26.94	25.48	26.83
3213	NASDAQ	PKOH	Fri, Feb 25, 2005	26.01	27.00	25.93	27.00
3212	NASDAQ	PKOH	Thu, Feb 24, 2005	26.93	26.98	25.08	25.79
3211	NASDAQ	PKOH	Wed, Feb 23, 2005	24.63	27.06	24.63	27.06
3210	NASDAQ	PKOH	Tue, Feb 22, 2005	25.29	25.96	23.85	24.55
3209	NASDAQ	PKOH	Fri, Feb 18, 2005	26.93	26.93	24.49	25.43
3208	NASDAQ	PKOH	Thu, Feb 17, 2005	27.06	27.06	26.24	26.62
3207	NASDAQ	PKOH	Wed, Feb 16, 2005	26.58	27.05	26.47	27.05
3206	NASDAQ	PKOH	Tue, Feb 15, 2005	26.40	27.00	25.56	26.06
3205	NASDAQ	PKOH	Mon, Feb 14, 2005	24.70	26.76	24.20	26.38
3204	NASDAQ	PKOH	Fri, Feb 11, 2005	25.57	25.60	24.14	24.97
3203	NASDAQ	PKOH	Thu, Feb 10, 2005	27.00	27.08	24.64	25.27
3202	NASDAQ	PKOH	Wed, Feb 9, 2005	27.00	27.13	26.54	26.95
3201	NASDAQ	PKOH	Tue, Feb 8, 2005	26.00	27.67	25.22	26.79
3200	NASDAQ	PKOH	Mon, Feb 7, 2005	25.46	27.00	25.30	26.55
3199	NASDAQ	PKOH	Fri, Feb 4, 2005	24.75	25.33	24.29	25.33
3198	NASDAQ	PKOH	Thu, Feb 3, 2005	24.71	24.95	24.29	24.95
3197	NASDAQ	PKOH	Wed, Feb 2, 2005	24.34	25.02	24.34	24.70
3196	NASDAQ	PKOH	Tue, Feb 1, 2005	24.82	24.90	24.23	24.47
3195	NASDAQ	PKOH	Mon, Jan 31, 2005	23.07	25.05	22.63	24.67
3194	NASDAQ	PKOH	Fri, Jan 28, 2005	19.82	22.73	19.82	22.65
3193	NASDAQ	PKOH	Thu, Jan 27, 2005	21.00	21.73	19.52	20.11
3192	NASDAQ	PKOH	Wed, Jan 26, 2005	21.09	21.15	20.25	20.81
3191	NASDAQ	PKOH	Tue, Jan 25, 2005	22.43	22.58	20.67	21.39
3190	NASDAQ	PKOH	Mon, Jan 24, 2005	24.36	24.67	23.00	23.04
3189	NASDAQ	PKOH	Fri, Jan 21, 2005	25.20	25.67	24.81	24.81
3188	NASDAQ	PKOH	Thu, Jan 20, 2005	25.40	25.55	25.30	25.31
3187	NASDAQ	PKOH	Wed, Jan 19, 2005	25.50	25.57	25.07	25.40
3186	NASDAQ	PKOH	Tue, Jan 18, 2005	25.00	25.59	24.47	25.45
3185	NASDAQ	PKOH	Fri, Jan 14, 2005	24.25	25.25	24.25	24.64
3184	NASDAQ	PKOH	Thu, Jan 13, 2005	26.00	26.00	24.21	24.62
3183	NASDAQ	PKOH	Wed, Jan 12, 2005	24.24	25.67	23.38	25.31
3182	NASDAQ	PKOH	Tue, Jan 11, 2005	24.65	24.65	23.04	24.22
3181	NASDAQ	PKOH	Mon, Jan 10, 2005	25.76	25.96	24.14	24.15
3180	NASDAQ	PKOH	Fri, Jan 7, 2005	25.45	25.51	23.20	24.48
3179	NASDAQ	PKOH	Thu, Jan 6, 2005	22.66	25.25	22.66	25.02
3178	NASDAQ	PKOH	Wed, Jan 5, 2005	26.31	26.31	21.67	23.16
3177	NASDAQ	PKOH	Tue, Jan 4, 2005	27.07	27.74	25.37	25.89
3176	NASDAQ	PKOH	Mon, Jan 3, 2005	26.56	27.90	26.01	26.94
3175	NASDAQ	PKOH	Fri, Dec 31, 2004	24.93	25.91	24.86	25.81
3174	NASDAQ	PKOH	Thu, Dec 30, 2004	24.94	25.90	24.51	25.00
3173	NASDAQ	PKOH	Wed, Dec 29, 2004	25.91	25.91	24.07	24.94
3172	NASDAQ	PKOH	Tue, Dec 28, 2004	24.74	25.83	24.31	25.80
3171	NASDAQ	PKOH	Mon, Dec 27, 2004	25.50	26.03	24.27	24.33
3170	NASDAQ	PKOH	Thu, Dec 23, 2004	25.30	25.93	25.30	25.50
3169	NASDAQ	PKOH	Wed, Dec 22, 2004	24.67	25.00	24.05	25.00
3168	NASDAQ	PKOH	Tue, Dec 21, 2004	25.99	25.99	24.00	24.47
3167	NASDAQ	PKOH	Mon, Dec 20, 2004	26.00	26.10	25.79	25.82
3166	NASDAQ	PKOH	Fri, Dec 17, 2004	26.19	26.19	24.84	25.72
3165	NASDAQ	PKOH	Thu, Dec 16, 2004	25.15	25.99	25.03	25.96
3164	NASDAQ	PKOH	Wed, Dec 15, 2004	24.08	25.56	23.97	25.15
3163	NASDAQ	PKOH	Tue, Dec 14, 2004	24.16	24.35	23.37	24.18
3162	NASDAQ	PKOH	Mon, Dec 13, 2004	23.99	24.08	23.38	23.96
3161	NASDAQ	PKOH	Fri, Dec 10, 2004	23.27	23.71	22.82	23.70
3160	NASDAQ	PKOH	Thu, Dec 9, 2004	23.29	23.95	22.28	22.84
3159	NASDAQ	PKOH	Wed, Dec 8, 2004	23.93	24.04	22.00	22.95
3158	NASDAQ	PKOH	Tue, Dec 7, 2004	23.00	24.11	22.96	23.75
3157	NASDAQ	PKOH	Mon, Dec 6, 2004	22.89	22.99	22.20	22.95
3156	NASDAQ	PKOH	Fri, Dec 3, 2004	22.90	22.91	22.56	22.81
3155	NASDAQ	PKOH	Thu, Dec 2, 2004	22.80	22.90	22.40	22.79
3154	NASDAQ	PKOH	Wed, Dec 1, 2004	22.71	22.90	22.44	22.55
3153	NASDAQ	PKOH	Tue, Nov 30, 2004	22.20	22.67	22.15	22.53
3152	NASDAQ	PKOH	Mon, Nov 29, 2004	22.05	22.23	21.25	22.20
3151	NASDAQ	PKOH	Fri, Nov 26, 2004	22.12	22.40	21.94	22.00
3150	NASDAQ	PKOH	Wed, Nov 24, 2004	22.39	22.40	21.94	22.24
3149	NASDAQ	PKOH	Tue, Nov 23, 2004	22.58	22.58	21.82	22.18
3148	NASDAQ	PKOH	Mon, Nov 22, 2004	21.80	22.44	21.40	22.04
3147	NASDAQ	PKOH	Fri, Nov 19, 2004	22.49	22.60	21.50	21.59
3146	NASDAQ	PKOH	Thu, Nov 18, 2004	22.55	22.55	21.80	22.15
3145	NASDAQ	PKOH	Wed, Nov 17, 2004	21.91	22.78	21.75	22.49
3144	NASDAQ	PKOH	Tue, Nov 16, 2004	22.74	22.81	20.35	21.50
3143	NASDAQ	PKOH	Mon, Nov 15, 2004	22.74	22.74	22.50	22.59
3142	NASDAQ	PKOH	Fri, Nov 12, 2004	22.82	22.96	22.44	22.63
3141	NASDAQ	PKOH	Thu, Nov 11, 2004	22.19	22.73	22.19	22.45
3140	NASDAQ	PKOH	Wed, Nov 10, 2004	22.71	22.74	21.98	22.33
3139	NASDAQ	PKOH	Tue, Nov 9, 2004	22.00	22.38	21.88	22.03
3138	NASDAQ	PKOH	Mon, Nov 8, 2004	21.61	22.49	21.40	21.82
3137	NASDAQ	PKOH	Fri, Nov 5, 2004	21.09	21.82	20.50	21.40
3136	NASDAQ	PKOH	Thu, Nov 4, 2004	20.69	20.70	20.35	20.65
3135	NASDAQ	PKOH	Wed, Nov 3, 2004	21.22	21.22	20.31	20.52
3134	NASDAQ	PKOH	Tue, Nov 2, 2004	20.53	20.53	19.65	20.34
3133	NASDAQ	PKOH	Mon, Nov 1, 2004	21.39	21.52	19.85	20.08
3132	NASDAQ	PKOH	Fri, Oct 29, 2004	20.06	20.91	19.00	20.91
3131	NASDAQ	PKOH	Thu, Oct 28, 2004	19.31	19.40	19.01	19.25
3130	NASDAQ	PKOH	Wed, Oct 27, 2004	18.76	19.34	18.76	19.26
3129	NASDAQ	PKOH	Tue, Oct 26, 2004	19.25	19.25	18.76	18.88
3128	NASDAQ	PKOH	Mon, Oct 25, 2004	19.72	19.72	18.75	18.98
3127	NASDAQ	PKOH	Fri, Oct 22, 2004	19.00	19.50	18.85	19.17
3126	NASDAQ	PKOH	Thu, Oct 21, 2004	19.00	19.20	18.75	18.91
3125	NASDAQ	PKOH	Wed, Oct 20, 2004	19.42	19.68	18.82	18.95
3124	NASDAQ	PKOH	Tue, Oct 19, 2004	19.98	19.98	18.90	19.37
3123	NASDAQ	PKOH	Mon, Oct 18, 2004	19.35	19.88	18.76	19.34
3122	NASDAQ	PKOH	Fri, Oct 15, 2004	18.99	19.31	18.78	18.89
3121	NASDAQ	PKOH	Thu, Oct 14, 2004	19.36	19.42	18.85	18.98
3120	NASDAQ	PKOH	Wed, Oct 13, 2004	18.88	19.40	18.86	19.00
3119	NASDAQ	PKOH	Tue, Oct 12, 2004	19.47	19.47	19.00	19.05
3118	NASDAQ	PKOH	Mon, Oct 11, 2004	19.11	19.38	19.01	19.07
3117	NASDAQ	PKOH	Fri, Oct 8, 2004	19.59	19.59	18.54	19.06
3116	NASDAQ	PKOH	Thu, Oct 7, 2004	19.58	19.70	18.92	19.24
3115	NASDAQ	PKOH	Wed, Oct 6, 2004	19.62	19.63	18.67	19.03
3114	NASDAQ	PKOH	Tue, Oct 5, 2004	19.13	19.49	18.49	19.18
3113	NASDAQ	PKOH	Mon, Oct 4, 2004	21.25	21.30	18.26	18.67
3112	NASDAQ	PKOH	Fri, Oct 1, 2004	18.78	21.15	18.18	20.97
3111	NASDAQ	PKOH	Thu, Sep 30, 2004	18.12	18.25	17.72	17.90
3110	NASDAQ	PKOH	Wed, Sep 29, 2004	18.40	18.44	17.48	17.80
3109	NASDAQ	PKOH	Tue, Sep 28, 2004	18.19	18.40	17.26	17.94
3108	NASDAQ	PKOH	Mon, Sep 27, 2004	18.00	18.94	16.82	18.55
3107	NASDAQ	PKOH	Fri, Sep 24, 2004	16.76	17.91	16.16	17.51
3106	NASDAQ	PKOH	Thu, Sep 23, 2004	15.91	16.91	15.85	16.87
3105	NASDAQ	PKOH	Wed, Sep 22, 2004	16.38	16.39	15.50	16.25
3104	NASDAQ	PKOH	Tue, Sep 21, 2004	17.10	17.10	15.69	16.31
3103	NASDAQ	PKOH	Mon, Sep 20, 2004	17.96	17.96	16.72	17.30
3102	NASDAQ	PKOH	Fri, Sep 17, 2004	17.02	17.30	16.95	17.30
3101	NASDAQ	PKOH	Thu, Sep 16, 2004	17.71	17.98	16.73	17.06
3100	NASDAQ	PKOH	Wed, Sep 15, 2004	17.79	18.15	17.39	17.93
3099	NASDAQ	PKOH	Tue, Sep 14, 2004	17.98	18.15	17.75	18.00
3098	NASDAQ	PKOH	Mon, Sep 13, 2004	17.50	18.07	16.39	17.98
3097	NASDAQ	PKOH	Fri, Sep 10, 2004	18.82	19.07	17.50	17.98
3096	NASDAQ	PKOH	Thu, Sep 9, 2004	18.88	18.89	18.02	18.66
3095	NASDAQ	PKOH	Wed, Sep 8, 2004	17.17	19.30	17.17	18.90
3094	NASDAQ	PKOH	Tue, Sep 7, 2004	16.71	17.48	16.71	17.33
3093	NASDAQ	PKOH	Fri, Sep 3, 2004	16.73	17.25	16.41	17.04
3092	NASDAQ	PKOH	Thu, Sep 2, 2004	17.21	17.21	16.55	16.91
3091	NASDAQ	PKOH	Wed, Sep 1, 2004	17.30	18.00	16.80	16.91
3090	NASDAQ	PKOH	Tue, Aug 31, 2004	17.27	18.03	17.26	17.37
3089	NASDAQ	PKOH	Mon, Aug 30, 2004	15.38	18.25	15.28	17.67
3088	NASDAQ	PKOH	Fri, Aug 27, 2004	15.78	16.27	15.25	15.75
3087	NASDAQ	PKOH	Thu, Aug 26, 2004	15.29	16.34	15.28	16.10
3086	NASDAQ	PKOH	Wed, Aug 25, 2004	15.82	16.77	15.30	15.96
3085	NASDAQ	PKOH	Tue, Aug 24, 2004	17.88	18.00	15.66	16.27
3084	NASDAQ	PKOH	Mon, Aug 23, 2004	18.51	18.51	17.00	17.62
3083	NASDAQ	PKOH	Fri, Aug 20, 2004	17.97	18.71	17.20	17.79
3082	NASDAQ	PKOH	Thu, Aug 19, 2004	18.00	18.97	17.50	17.88
3081	NASDAQ	PKOH	Wed, Aug 18, 2004	17.25	19.01	17.25	18.70
3080	NASDAQ	PKOH	Tue, Aug 17, 2004	18.20	18.20	17.11	17.30
3079	NASDAQ	PKOH	Mon, Aug 16, 2004	18.19	18.27	17.51	17.66
3078	NASDAQ	PKOH	Fri, Aug 13, 2004	17.75	17.78	16.86	17.66
3077	NASDAQ	PKOH	Thu, Aug 12, 2004	18.00	18.05	17.37	17.57
3076	NASDAQ	PKOH	Wed, Aug 11, 2004	17.50	18.20	17.50	18.10
3075	NASDAQ	PKOH	Tue, Aug 10, 2004	18.19	18.55	17.22	17.90
3074	NASDAQ	PKOH	Mon, Aug 9, 2004	18.96	20.12	17.76	18.20
3073	NASDAQ	PKOH	Fri, Aug 6, 2004	16.51	18.16	16.21	18.08
3072	NASDAQ	PKOH	Thu, Aug 5, 2004	15.35	17.00	15.23	16.57
3071	NASDAQ	PKOH	Wed, Aug 4, 2004	15.17	15.39	15.06	15.24
3070	NASDAQ	PKOH	Tue, Aug 3, 2004	15.30	15.50	15.12	15.42
3069	NASDAQ	PKOH	Mon, Aug 2, 2004	14.53	15.25	14.52	15.11
3068	NASDAQ	PKOH	Fri, Jul 30, 2004	15.00	15.09	14.38	14.76
3067	NASDAQ	PKOH	Thu, Jul 29, 2004	16.00	16.02	14.65	14.92
3066	NASDAQ	PKOH	Wed, Jul 28, 2004	13.34	13.35	12.77	13.05
3065	NASDAQ	PKOH	Tue, Jul 27, 2004	12.55	13.50	12.43	13.47
3064	NASDAQ	PKOH	Mon, Jul 26, 2004	13.25	13.25	11.77	12.49
3063	NASDAQ	PKOH	Fri, Jul 23, 2004	13.02	13.45	12.97	13.10
3062	NASDAQ	PKOH	Thu, Jul 22, 2004	12.21	12.89	12.21	12.81
3061	NASDAQ	PKOH	Wed, Jul 21, 2004	13.10	13.28	12.01	12.78
3060	NASDAQ	PKOH	Tue, Jul 20, 2004	12.50	13.03	12.48	12.89
3059	NASDAQ	PKOH	Mon, Jul 19, 2004	11.95	12.76	11.95	12.45
3058	NASDAQ	PKOH	Fri, Jul 16, 2004	11.73	12.00	11.59	12.00
3057	NASDAQ	PKOH	Thu, Jul 15, 2004	11.72	11.93	11.50	11.85
3056	NASDAQ	PKOH	Wed, Jul 14, 2004	11.85	11.86	11.60	11.77
3055	NASDAQ	PKOH	Tue, Jul 13, 2004	11.97	12.00	11.88	11.88
3054	NASDAQ	PKOH	Mon, Jul 12, 2004	12.23	12.28	11.71	11.95
3053	NASDAQ	PKOH	Fri, Jul 9, 2004	11.80	11.99	11.36	11.65
3052	NASDAQ	PKOH	Thu, Jul 8, 2004	11.64	12.24	11.62	11.79
3051	NASDAQ	PKOH	Wed, Jul 7, 2004	12.26	12.26	11.62	11.64
3050	NASDAQ	PKOH	Tue, Jul 6, 2004	11.85	12.17	11.83	11.84
3049	NASDAQ	PKOH	Fri, Jul 2, 2004	11.68	11.83	11.26	11.83
3048	NASDAQ	PKOH	Thu, Jul 1, 2004	11.47	11.57	11.31	11.32
3047	NASDAQ	PKOH	Wed, Jun 30, 2004	11.85	11.87	11.46	11.80
3046	NASDAQ	PKOH	Tue, Jun 29, 2004	11.63	12.12	11.45	11.63
3045	NASDAQ	PKOH	Mon, Jun 28, 2004	11.18	11.68	11.06	11.53
3044	NASDAQ	PKOH	Fri, Jun 25, 2004	11.59	11.59	11.31	11.31
3043	NASDAQ	PKOH	Thu, Jun 24, 2004	11.29	11.65	10.82	11.53
3042	NASDAQ	PKOH	Wed, Jun 23, 2004	10.65	11.03	10.65	11.02
3041	NASDAQ	PKOH	Tue, Jun 22, 2004	11.36	11.82	10.50	10.69
3040	NASDAQ	PKOH	Mon, Jun 21, 2004	11.34	11.89	11.09	11.36
3039	NASDAQ	PKOH	Fri, Jun 18, 2004	11.50	11.77	11.24	11.42
3038	NASDAQ	PKOH	Thu, Jun 17, 2004	11.64	12.00	11.51	11.73
3037	NASDAQ	PKOH	Wed, Jun 16, 2004	11.84	11.85	11.66	11.80
3036	NASDAQ	PKOH	Tue, Jun 15, 2004	11.61	11.90	11.57	11.62
3035	NASDAQ	PKOH	Mon, Jun 14, 2004	11.80	12.10	11.64	11.81
3034	NASDAQ	PKOH	Thu, Jun 10, 2004	11.98	12.10	11.52	11.84
3033	NASDAQ	PKOH	Wed, Jun 9, 2004	11.90	12.10	11.84	11.92
3032	NASDAQ	PKOH	Tue, Jun 8, 2004	11.91	11.97	11.76	11.78
3031	NASDAQ	PKOH	Mon, Jun 7, 2004	12.05	12.05	11.62	12.00
3030	NASDAQ	PKOH	Fri, Jun 4, 2004	12.00	12.00	11.50	11.88
3029	NASDAQ	PKOH	Thu, Jun 3, 2004	11.59	12.00	11.55	11.87
3028	NASDAQ	PKOH	Wed, Jun 2, 2004	11.72	11.89	11.55	11.71
3027	NASDAQ	PKOH	Tue, Jun 1, 2004	12.30	12.30	11.85	11.89
3026	NASDAQ	PKOH	Fri, May 28, 2004	12.00	12.40	11.66	12.10
3025	NASDAQ	PKOH	Thu, May 27, 2004	12.00	12.10	11.73	11.83
3024	NASDAQ	PKOH	Wed, May 26, 2004	12.00	12.06	11.77	11.91
3023	NASDAQ	PKOH	Tue, May 25, 2004	11.97	12.00	11.75	11.96
3022	NASDAQ	PKOH	Mon, May 24, 2004	11.50	12.22	11.50	12.00
3021	NASDAQ	PKOH	Fri, May 21, 2004	11.34	11.60	11.32	11.41
3020	NASDAQ	PKOH	Thu, May 20, 2004	11.65	11.88	11.00	11.45
3019	NASDAQ	PKOH	Wed, May 19, 2004	11.87	12.05	11.66	11.76
3018	NASDAQ	PKOH	Tue, May 18, 2004	12.03	12.35	11.80	11.81
3017	NASDAQ	PKOH	Mon, May 17, 2004	12.00	12.18	11.70	11.94
3016	NASDAQ	PKOH	Fri, May 14, 2004	12.50	12.50	11.90	12.17
3015	NASDAQ	PKOH	Thu, May 13, 2004	13.03	13.03	12.30	12.36
3014	NASDAQ	PKOH	Wed, May 12, 2004	11.37	13.32	11.30	12.75
3013	NASDAQ	PKOH	Tue, May 11, 2004	10.56	11.05	10.56	10.94
3012	NASDAQ	PKOH	Mon, May 10, 2004	11.00	11.15	10.31	10.83
3011	NASDAQ	PKOH	Fri, May 7, 2004	11.10	11.33	11.07	11.33
3010	NASDAQ	PKOH	Thu, May 6, 2004	11.03	11.10	11.03	11.07
3009	NASDAQ	PKOH	Wed, May 5, 2004	11.00	11.12	10.98	11.10
3008	NASDAQ	PKOH	Tue, May 4, 2004	10.97	11.05	10.97	11.05
3007	NASDAQ	PKOH	Mon, May 3, 2004	11.26	11.26	10.99	11.10
3006	NASDAQ	PKOH	Fri, Apr 30, 2004	11.29	11.30	11.07	11.26
3005	NASDAQ	PKOH	Thu, Apr 29, 2004	11.15	11.46	11.15	11.30
3004	NASDAQ	PKOH	Wed, Apr 28, 2004	11.23	11.70	11.22	11.53
3003	NASDAQ	PKOH	Tue, Apr 27, 2004	11.20	11.25	11.08	11.24
3002	NASDAQ	PKOH	Mon, Apr 26, 2004	10.83	11.19	10.83	11.11
3001	NASDAQ	PKOH	Fri, Apr 23, 2004	10.83	10.95	10.57	10.85
3000	NASDAQ	PKOH	Thu, Apr 22, 2004	10.68	10.85	10.24	10.84
2999	NASDAQ	PKOH	Wed, Apr 21, 2004	10.67	10.85	10.21	10.80
2998	NASDAQ	PKOH	Tue, Apr 20, 2004	10.55	10.94	10.49	10.88
2997	NASDAQ	PKOH	Mon, Apr 19, 2004	10.43	10.70	10.39	10.39
2996	NASDAQ	PKOH	Fri, Apr 16, 2004	10.04	10.40	10.04	10.29
2995	NASDAQ	PKOH	Thu, Apr 15, 2004	10.09	10.15	9.96	10.06
2994	NASDAQ	PKOH	Wed, Apr 14, 2004	9.89	10.14	9.75	9.97
2993	NASDAQ	PKOH	Tue, Apr 13, 2004	9.87	10.20	9.87	10.07
2992	NASDAQ	PKOH	Mon, Apr 12, 2004	9.75	9.89	9.33	9.89
2991	NASDAQ	PKOH	Thu, Apr 8, 2004	9.30	9.75	9.30	9.71
2990	NASDAQ	PKOH	Wed, Apr 7, 2004	9.47	9.66	9.21	9.42
2989	NASDAQ	PKOH	Tue, Apr 6, 2004	9.31	9.70	9.14	9.47
2988	NASDAQ	PKOH	Mon, Apr 5, 2004	9.20	9.74	9.14	9.14
2987	NASDAQ	PKOH	Fri, Apr 2, 2004	9.09	9.50	9.09	9.49
2986	NASDAQ	PKOH	Thu, Apr 1, 2004	9.05	9.20	8.60	9.20
2985	NASDAQ	PKOH	Wed, Mar 31, 2004	8.97	9.21	8.97	9.21
2984	NASDAQ	PKOH	Tue, Mar 30, 2004	9.39	9.39	8.91	9.05
2983	NASDAQ	PKOH	Mon, Mar 29, 2004	9.04	9.70	8.74	8.99
2982	NASDAQ	PKOH	Fri, Mar 26, 2004	9.24	9.29	8.40	9.00
2981	NASDAQ	PKOH	Thu, Mar 25, 2004	8.91	9.37	8.91	9.21
2980	NASDAQ	PKOH	Wed, Mar 24, 2004	9.08	9.25	8.64	9.20
2979	NASDAQ	PKOH	Tue, Mar 23, 2004	8.98	9.12	8.78	8.92
2978	NASDAQ	PKOH	Mon, Mar 22, 2004	8.99	9.24	8.67	8.90
2977	NASDAQ	PKOH	Fri, Mar 19, 2004	8.75	9.00	8.26	8.88
2976	NASDAQ	PKOH	Thu, Mar 18, 2004	8.09	9.00	8.00	8.65
2975	NASDAQ	PKOH	Wed, Mar 17, 2004	8.05	8.65	7.96	8.10
2974	NASDAQ	PKOH	Tue, Mar 16, 2004	8.52	9.11	7.99	7.99
2973	NASDAQ	PKOH	Mon, Mar 15, 2004	8.30	8.97	8.30	8.35
2972	NASDAQ	PKOH	Fri, Mar 12, 2004	8.88	8.91	8.31	8.60
2971	NASDAQ	PKOH	Thu, Mar 11, 2004	9.00	9.01	8.71	8.79
2970	NASDAQ	PKOH	Wed, Mar 10, 2004	9.50	9.97	8.99	9.22
2969	NASDAQ	PKOH	Tue, Mar 9, 2004	9.60	9.75	9.47	9.49
2968	NASDAQ	PKOH	Mon, Mar 8, 2004	9.31	9.84	9.31	9.57
2967	NASDAQ	PKOH	Fri, Mar 5, 2004	9.70	9.90	9.35	9.55
2966	NASDAQ	PKOH	Thu, Mar 4, 2004	9.40	9.80	9.40	9.49
2965	NASDAQ	PKOH	Wed, Mar 3, 2004	9.58	9.66	9.21	9.21
2964	NASDAQ	PKOH	Tue, Mar 2, 2004	9.21	9.49	8.97	9.38
2963	NASDAQ	PKOH	Mon, Mar 1, 2004	9.51	9.76	9.00	9.38
2962	NASDAQ	PKOH	Fri, Feb 27, 2004	9.35	9.73	9.02	9.22
2961	NASDAQ	PKOH	Thu, Feb 26, 2004	8.84	9.37	8.45	9.37
2960	NASDAQ	PKOH	Wed, Feb 25, 2004	8.98	8.98	8.25	8.51
2959	NASDAQ	PKOH	Tue, Feb 24, 2004	8.83	8.95	8.82	8.84
2958	NASDAQ	PKOH	Mon, Feb 23, 2004	8.70	9.12	8.70	8.90
2957	NASDAQ	PKOH	Fri, Feb 20, 2004	9.57	9.57	8.92	9.20
2956	NASDAQ	PKOH	Thu, Feb 19, 2004	9.79	10.00	9.79	9.81
2955	NASDAQ	PKOH	Wed, Feb 18, 2004	9.61	9.70	9.20	9.61
2954	NASDAQ	PKOH	Tue, Feb 17, 2004	9.70	9.75	9.70	9.73
2953	NASDAQ	PKOH	Fri, Feb 13, 2004	9.74	10.06	9.61	9.70
2952	NASDAQ	PKOH	Thu, Feb 12, 2004	9.75	9.80	9.46	9.74
2951	NASDAQ	PKOH	Wed, Feb 11, 2004	9.17	9.62	9.17	9.60
2950	NASDAQ	PKOH	Tue, Feb 10, 2004	8.97	9.55	8.95	9.47
2949	NASDAQ	PKOH	Mon, Feb 9, 2004	8.70	9.21	8.70	9.00
2948	NASDAQ	PKOH	Fri, Feb 6, 2004	8.82	8.82	8.40	8.70
2947	NASDAQ	PKOH	Thu, Feb 5, 2004	9.06	9.11	8.65	8.88
2946	NASDAQ	PKOH	Wed, Feb 4, 2004	9.30	9.40	9.00	9.06
2945	NASDAQ	PKOH	Tue, Feb 3, 2004	9.81	9.81	9.05	9.10
2944	NASDAQ	PKOH	Mon, Feb 2, 2004	9.94	9.94	9.80	9.81
2943	NASDAQ	PKOH	Fri, Jan 30, 2004	9.80	9.95	9.80	9.80
2942	NASDAQ	PKOH	Thu, Jan 29, 2004	9.93	9.98	9.78	9.78
2941	NASDAQ	PKOH	Wed, Jan 28, 2004	9.70	9.72	9.62	9.69
2940	NASDAQ	PKOH	Tue, Jan 27, 2004	9.51	9.75	9.51	9.68
2939	NASDAQ	PKOH	Mon, Jan 26, 2004	9.40	9.50	9.16	9.50
2938	NASDAQ	PKOH	Fri, Jan 23, 2004	9.47	9.80	9.28	9.38
2937	NASDAQ	PKOH	Thu, Jan 22, 2004	8.87	9.50	8.87	9.43
2936	NASDAQ	PKOH	Wed, Jan 21, 2004	9.10	9.25	9.00	9.25
2935	NASDAQ	PKOH	Tue, Jan 20, 2004	8.84	9.25	8.84	9.10
2934	NASDAQ	PKOH	Fri, Jan 16, 2004	7.97	8.80	7.97	8.78
2933	NASDAQ	PKOH	Thu, Jan 15, 2004	8.03	8.63	7.96	8.63
2932	NASDAQ	PKOH	Wed, Jan 14, 2004	8.00	8.19	8.00	8.05
2931	NASDAQ	PKOH	Tue, Jan 13, 2004	8.05	8.05	7.96	8.02
2930	NASDAQ	PKOH	Mon, Jan 12, 2004	8.05	8.18	7.94	8.11
2929	NASDAQ	PKOH	Fri, Jan 9, 2004	8.04	8.07	8.00	8.07
2928	NASDAQ	PKOH	Thu, Jan 8, 2004	7.88	8.04	7.76	7.86
2927	NASDAQ	PKOH	Wed, Jan 7, 2004	7.90	8.00	7.77	7.88
2926	NASDAQ	PKOH	Tue, Jan 6, 2004	7.95	7.97	7.71	7.77
2925	NASDAQ	PKOH	Mon, Jan 5, 2004	7.78	8.02	7.30	7.90
2924	NASDAQ	PKOH	Fri, Jan 2, 2004	7.40	8.14	7.40	8.05
2923	NASDAQ	PKOH	Wed, Dec 31, 2003	7.78	7.89	7.40	7.40
2922	NASDAQ	PKOH	Tue, Dec 30, 2003	7.46	7.86	7.40	7.66
2921	NASDAQ	PKOH	Mon, Dec 29, 2003	7.16	8.03	7.15	7.58
2920	NASDAQ	PKOH	Fri, Dec 26, 2003	7.15	7.40	7.15	7.26
2919	NASDAQ	PKOH	Wed, Dec 24, 2003	7.65	7.65	6.92	7.15
2918	NASDAQ	PKOH	Tue, Dec 23, 2003	7.52	7.64	7.39	7.39
2917	NASDAQ	PKOH	Mon, Dec 22, 2003	7.54	7.83	7.43	7.49
2916	NASDAQ	PKOH	Fri, Dec 19, 2003	7.78	7.78	7.52	7.53
2915	NASDAQ	PKOH	Thu, Dec 18, 2003	7.91	7.91	7.57	7.61
2914	NASDAQ	PKOH	Wed, Dec 17, 2003	7.62	7.69	7.62	7.64
2913	NASDAQ	PKOH	Tue, Dec 16, 2003	7.93	8.00	7.61	7.62
2912	NASDAQ	PKOH	Mon, Dec 15, 2003	7.83	8.02	7.60	7.99
2911	NASDAQ	PKOH	Fri, Dec 12, 2003	7.93	8.30	7.93	8.08
2910	NASDAQ	PKOH	Thu, Dec 11, 2003	7.57	8.20	7.57	7.74
2909	NASDAQ	PKOH	Wed, Dec 10, 2003	7.32	7.60	7.30	7.50
2908	NASDAQ	PKOH	Tue, Dec 9, 2003	7.16	7.26	7.16	7.24
2907	NASDAQ	PKOH	Mon, Dec 8, 2003	7.33	7.40	6.95	7.35
2906	NASDAQ	PKOH	Fri, Dec 5, 2003	7.34	7.34	7.02	7.05
2905	NASDAQ	PKOH	Thu, Dec 4, 2003	7.27	7.35	7.10	7.10
2904	NASDAQ	PKOH	Wed, Dec 3, 2003	7.08	7.26	7.08	7.20
2903	NASDAQ	PKOH	Tue, Dec 2, 2003	7.03	7.35	7.03	7.19
2902	NASDAQ	PKOH	Mon, Dec 1, 2003	7.15	7.44	7.01	7.20
2901	NASDAQ	PKOH	Fri, Nov 28, 2003	7.46	7.46	7.17	7.44
2900	NASDAQ	PKOH	Wed, Nov 26, 2003	7.12	7.35	7.00	7.18
2899	NASDAQ	PKOH	Tue, Nov 25, 2003	7.23	7.43	7.13	7.19
2898	NASDAQ	PKOH	Mon, Nov 24, 2003	7.10	7.48	7.02	7.48
2897	NASDAQ	PKOH	Fri, Nov 21, 2003	7.48	7.50	7.25	7.50
2896	NASDAQ	PKOH	Thu, Nov 20, 2003	7.84	7.84	7.29	7.47
2895	NASDAQ	PKOH	Wed, Nov 19, 2003	7.55	7.90	7.54	7.82
2894	NASDAQ	PKOH	Tue, Nov 18, 2003	7.30	7.72	7.10	7.70
2893	NASDAQ	PKOH	Mon, Nov 17, 2003	7.88	8.01	6.86	7.37
2892	NASDAQ	PKOH	Fri, Nov 14, 2003	8.15	8.50	8.00	8.15
2891	NASDAQ	PKOH	Thu, Nov 13, 2003	7.61	8.39	7.60	8.05
2890	NASDAQ	PKOH	Wed, Nov 12, 2003	7.60	7.73	7.05	7.58
2889	NASDAQ	PKOH	Tue, Nov 11, 2003	8.51	8.59	7.60	7.75
2888	NASDAQ	PKOH	Mon, Nov 10, 2003	7.57	8.51	7.57	8.49
2887	NASDAQ	PKOH	Fri, Nov 7, 2003	9.27	9.40	8.58	8.83
2886	NASDAQ	PKOH	Thu, Nov 6, 2003	9.14	9.40	9.05	9.26
2885	NASDAQ	PKOH	Wed, Nov 5, 2003	8.65	9.30	8.65	9.29
2884	NASDAQ	PKOH	Tue, Nov 4, 2003	8.19	9.00	8.18	8.73
2883	NASDAQ	PKOH	Mon, Nov 3, 2003	9.00	9.00	7.50	8.29
2882	NASDAQ	PKOH	Fri, Oct 31, 2003	9.30	9.41	8.28	8.74
2881	NASDAQ	PKOH	Thu, Oct 30, 2003	9.02	9.95	9.02	9.29
2880	NASDAQ	PKOH	Wed, Oct 29, 2003	8.60	9.46	8.60	9.38
2879	NASDAQ	PKOH	Tue, Oct 28, 2003	8.79	8.80	7.86	8.79
2878	NASDAQ	PKOH	Mon, Oct 27, 2003	8.78	8.78	8.15	8.16
2877	NASDAQ	PKOH	Fri, Oct 24, 2003	7.00	8.96	7.00	8.69
2876	NASDAQ	PKOH	Thu, Oct 23, 2003	9.30	9.30	8.55	8.57
2875	NASDAQ	PKOH	Wed, Oct 22, 2003	9.85	9.85	9.10	9.25
2874	NASDAQ	PKOH	Tue, Oct 21, 2003	9.60	10.25	9.50	9.60
2873	NASDAQ	PKOH	Mon, Oct 20, 2003	9.10	10.59	9.10	10.00
2872	NASDAQ	PKOH	Fri, Oct 17, 2003	10.70	10.70	9.14	9.20
2871	NASDAQ	PKOH	Thu, Oct 16, 2003	10.55	11.00	10.55	10.64
2870	NASDAQ	PKOH	Wed, Oct 15, 2003	11.48	11.75	10.77	10.83
2869	NASDAQ	PKOH	Tue, Oct 14, 2003	11.92	12.26	11.42	11.42
2868	NASDAQ	PKOH	Mon, Oct 13, 2003	11.48	11.86	10.88	11.56
2867	NASDAQ	PKOH	Fri, Oct 10, 2003	10.86	11.88	10.51	10.93
2866	NASDAQ	PKOH	Thu, Oct 9, 2003	10.92	10.94	10.48	10.51
2865	NASDAQ	PKOH	Wed, Oct 8, 2003	10.75	11.10	10.51	10.51
2864	NASDAQ	PKOH	Tue, Oct 7, 2003	10.00	11.00	9.81	10.60
2863	NASDAQ	PKOH	Mon, Oct 6, 2003	9.95	10.02	9.20	9.99
2862	NASDAQ	PKOH	Fri, Oct 3, 2003	9.35	9.40	8.70	9.10
2861	NASDAQ	PKOH	Thu, Oct 2, 2003	8.70	9.45	8.45	9.35
2860	NASDAQ	PKOH	Wed, Oct 1, 2003	8.24	8.80	7.90	8.66
2859	NASDAQ	PKOH	Tue, Sep 30, 2003	9.15	9.47	8.15	8.15
2858	NASDAQ	PKOH	Mon, Sep 29, 2003	8.09	9.99	7.95	9.47
2857	NASDAQ	PKOH	Fri, Sep 26, 2003	7.92	8.00	7.90	7.99
2856	NASDAQ	PKOH	Thu, Sep 25, 2003	7.90	8.00	7.90	8.00
2855	NASDAQ	PKOH	Wed, Sep 24, 2003	7.98	8.00	7.91	7.92
2854	NASDAQ	PKOH	Tue, Sep 23, 2003	7.80	7.99	7.80	7.99
2853	NASDAQ	PKOH	Mon, Sep 22, 2003	7.80	7.97	7.75	7.80
2852	NASDAQ	PKOH	Fri, Sep 19, 2003	7.68	7.90	7.58	7.75
2851	NASDAQ	PKOH	Thu, Sep 18, 2003	7.84	7.84	7.49	7.49
2850	NASDAQ	PKOH	Wed, Sep 17, 2003	7.80	7.86	7.49	7.72
2849	NASDAQ	PKOH	Tue, Sep 16, 2003	7.68	7.88	7.54	7.80
2848	NASDAQ	PKOH	Mon, Sep 15, 2003	7.34	7.67	6.95	7.62
2847	NASDAQ	PKOH	Fri, Sep 12, 2003	7.02	7.30	7.02	7.14
2846	NASDAQ	PKOH	Thu, Sep 11, 2003	7.07	7.07	7.00	7.00
2845	NASDAQ	PKOH	Wed, Sep 10, 2003	6.99	7.25	6.98	7.23
2844	NASDAQ	PKOH	Tue, Sep 9, 2003	7.12	7.19	6.97	6.99
2843	NASDAQ	PKOH	Mon, Sep 8, 2003	6.97	7.12	6.94	7.12
2842	NASDAQ	PKOH	Fri, Sep 5, 2003	7.04	7.04	6.97	6.98
2841	NASDAQ	PKOH	Thu, Sep 4, 2003	7.00	7.19	6.97	6.97
2840	NASDAQ	PKOH	Wed, Sep 3, 2003	7.02	7.13	6.93	7.00
2839	NASDAQ	PKOH	Tue, Sep 2, 2003	7.25	7.25	6.92	7.19
2838	NASDAQ	PKOH	Fri, Aug 29, 2003	7.15	7.25	7.08	7.25
2837	NASDAQ	PKOH	Thu, Aug 28, 2003	7.30	7.30	7.00	7.15
2836	NASDAQ	PKOH	Wed, Aug 27, 2003	6.75	7.25	6.66	7.20
2835	NASDAQ	PKOH	Tue, Aug 26, 2003	6.60	6.96	6.57	6.66
2834	NASDAQ	PKOH	Mon, Aug 25, 2003	7.21	7.56	6.56	6.57
2833	NASDAQ	PKOH	Fri, Aug 22, 2003	6.95	7.60	6.58	7.51
2832	NASDAQ	PKOH	Thu, Aug 21, 2003	6.47	7.21	6.14	6.94
2831	NASDAQ	PKOH	Wed, Aug 20, 2003	6.33	6.71	6.30	6.61
2830	NASDAQ	PKOH	Tue, Aug 19, 2003	6.23	6.45	6.11	6.45
2829	NASDAQ	PKOH	Mon, Aug 18, 2003	6.20	6.34	6.16	6.24
2828	NASDAQ	PKOH	Fri, Aug 15, 2003	6.20	6.25	6.19	6.25
2827	NASDAQ	PKOH	Thu, Aug 14, 2003	6.26	6.31	6.20	6.30
2826	NASDAQ	PKOH	Wed, Aug 13, 2003	6.17	6.32	6.15	6.32
2825	NASDAQ	PKOH	Tue, Aug 12, 2003	6.30	6.30	6.16	6.20
2824	NASDAQ	PKOH	Mon, Aug 11, 2003	6.42	6.42	6.10	6.16
2823	NASDAQ	PKOH	Fri, Aug 8, 2003	6.46	6.46	6.11	6.25
2822	NASDAQ	PKOH	Thu, Aug 7, 2003	6.25	6.44	6.20	6.35
2821	NASDAQ	PKOH	Wed, Aug 6, 2003	6.15	6.30	6.15	6.30
2820	NASDAQ	PKOH	Tue, Aug 5, 2003	6.30	6.30	6.10	6.19
2819	NASDAQ	PKOH	Mon, Aug 4, 2003	6.50	6.50	6.16	6.30
2818	NASDAQ	PKOH	Fri, Aug 1, 2003	6.30	6.41	6.21	6.28
2817	NASDAQ	PKOH	Thu, Jul 31, 2003	6.66	6.74	6.40	6.40
2816	NASDAQ	PKOH	Wed, Jul 30, 2003	6.37	6.38	6.16	6.37
2815	NASDAQ	PKOH	Tue, Jul 29, 2003	6.44	6.50	6.01	6.35
2814	NASDAQ	PKOH	Mon, Jul 28, 2003	6.00	6.50	5.79	6.30
2813	NASDAQ	PKOH	Fri, Jul 25, 2003	5.82	6.05	5.74	6.05
2812	NASDAQ	PKOH	Thu, Jul 24, 2003	5.90	5.90	5.72	5.83
2811	NASDAQ	PKOH	Wed, Jul 23, 2003	5.75	5.84	5.60	5.84
2810	NASDAQ	PKOH	Tue, Jul 22, 2003	5.75	5.95	5.72	5.76
2809	NASDAQ	PKOH	Mon, Jul 21, 2003	5.92	5.92	5.75	5.79
2808	NASDAQ	PKOH	Fri, Jul 18, 2003	5.91	5.91	5.72	5.73
2807	NASDAQ	PKOH	Thu, Jul 17, 2003	5.81	6.00	5.55	6.00
2806	NASDAQ	PKOH	Wed, Jul 16, 2003	5.95	6.85	5.75	5.91
2805	NASDAQ	PKOH	Tue, Jul 15, 2003	5.18	5.89	5.18	5.87
2804	NASDAQ	PKOH	Mon, Jul 14, 2003	5.25	5.38	5.05	5.32
2803	NASDAQ	PKOH	Fri, Jul 11, 2003	5.37	5.37	5.21	5.22
2802	NASDAQ	PKOH	Thu, Jul 10, 2003	5.25	5.31	5.13	5.26
2801	NASDAQ	PKOH	Wed, Jul 9, 2003	5.11	5.25	5.09	5.25
2800	NASDAQ	PKOH	Tue, Jul 8, 2003	5.05	5.11	4.97	5.11
2799	NASDAQ	PKOH	Mon, Jul 7, 2003	4.91	5.02	4.91	5.00
2798	NASDAQ	PKOH	Thu, Jul 3, 2003	4.99	4.99	4.89	4.89
2797	NASDAQ	PKOH	Wed, Jul 2, 2003	4.79	5.02	4.76	5.02
2796	NASDAQ	PKOH	Tue, Jul 1, 2003	4.81	4.92	4.81	4.92
2795	NASDAQ	PKOH	Mon, Jun 30, 2003	4.85	4.95	4.75	4.94
2794	NASDAQ	PKOH	Fri, Jun 27, 2003	4.85	4.95	4.75	4.76
2793	NASDAQ	PKOH	Thu, Jun 26, 2003	4.99	5.01	4.84	5.01
2792	NASDAQ	PKOH	Wed, Jun 25, 2003	4.99	5.05	4.88	5.05
2791	NASDAQ	PKOH	Tue, Jun 24, 2003	5.05	5.05	4.90	5.01
2790	NASDAQ	PKOH	Mon, Jun 23, 2003	4.91	5.04	4.90	5.04
2789	NASDAQ	PKOH	Fri, Jun 20, 2003	4.99	5.00	4.89	4.97
2788	NASDAQ	PKOH	Thu, Jun 19, 2003	4.99	5.00	4.75	5.00
2787	NASDAQ	PKOH	Wed, Jun 18, 2003	4.99	4.99	4.99	4.99
2786	NASDAQ	PKOH	Tue, Jun 17, 2003	4.75	5.00	4.75	4.99
2785	NASDAQ	PKOH	Mon, Jun 16, 2003	4.73	4.86	4.59	4.75
2784	NASDAQ	PKOH	Fri, Jun 13, 2003	4.80	4.80	4.61	4.61
2783	NASDAQ	PKOH	Thu, Jun 12, 2003	4.72	4.85	4.65	4.65
2782	NASDAQ	PKOH	Wed, Jun 11, 2003	4.76	4.88	4.50	4.62
2781	NASDAQ	PKOH	Tue, Jun 10, 2003	4.85	4.87	4.65	4.69
2780	NASDAQ	PKOH	Mon, Jun 9, 2003	4.75	4.84	4.69	4.75
2779	NASDAQ	PKOH	Fri, Jun 6, 2003	4.75	4.88	4.46	4.76
2778	NASDAQ	PKOH	Thu, Jun 5, 2003	4.67	4.88	4.61	4.83
2777	NASDAQ	PKOH	Wed, Jun 4, 2003	4.57	4.83	4.49	4.75
2776	NASDAQ	PKOH	Tue, Jun 3, 2003	4.72	4.83	4.59	4.59
2775	NASDAQ	PKOH	Mon, Jun 2, 2003	4.54	4.78	4.48	4.73
2774	NASDAQ	PKOH	Fri, May 30, 2003	4.73	4.75	4.50	4.69
2773	NASDAQ	PKOH	Thu, May 29, 2003	4.75	4.77	4.68	4.68
2772	NASDAQ	PKOH	Wed, May 28, 2003	4.74	4.79	4.65	4.75
2771	NASDAQ	PKOH	Tue, May 27, 2003	4.65	4.80	4.65	4.75
2770	NASDAQ	PKOH	Fri, May 23, 2003	4.43	4.70	4.35	4.60
2769	NASDAQ	PKOH	Thu, May 22, 2003	4.24	4.66	4.24	4.46
2768	NASDAQ	PKOH	Wed, May 21, 2003	4.56	4.56	4.29	4.40
2767	NASDAQ	PKOH	Tue, May 20, 2003	4.45	4.45	4.44	4.44
2766	NASDAQ	PKOH	Mon, May 19, 2003	4.61	4.61	4.45	4.47
2765	NASDAQ	PKOH	Fri, May 16, 2003	4.69	4.75	4.68	4.68
2764	NASDAQ	PKOH	Thu, May 15, 2003	4.68	4.68	4.68	4.68
2763	NASDAQ	PKOH	Wed, May 14, 2003	4.66	4.71	4.61	4.68
2762	NASDAQ	PKOH	Tue, May 13, 2003	4.59	4.81	4.56	4.64
2761	NASDAQ	PKOH	Mon, May 12, 2003	4.70	4.70	4.40	4.60
2760	NASDAQ	PKOH	Fri, May 9, 2003	4.75	4.80	4.49	4.59
2759	NASDAQ	PKOH	Thu, May 8, 2003	4.75	5.12	4.62	4.81
2758	NASDAQ	PKOH	Wed, May 7, 2003	4.06	4.38	4.00	4.27
2757	NASDAQ	PKOH	Tue, May 6, 2003	4.24	4.25	3.95	4.01
2756	NASDAQ	PKOH	Mon, May 5, 2003	4.63	4.63	4.22	4.22
2755	NASDAQ	PKOH	Fri, May 2, 2003	4.65	4.68	4.47	4.57
2754	NASDAQ	PKOH	Thu, May 1, 2003	4.57	4.72	4.57	4.65
2753	NASDAQ	PKOH	Wed, Apr 30, 2003	4.65	4.65	4.60	4.60
2752	NASDAQ	PKOH	Tue, Apr 29, 2003	4.55	4.75	4.22	4.67
2751	NASDAQ	PKOH	Mon, Apr 28, 2003	4.68	4.75	4.47	4.48
2750	NASDAQ	PKOH	Fri, Apr 25, 2003	4.38	4.75	4.21	4.75
2749	NASDAQ	PKOH	Thu, Apr 24, 2003	4.19	4.45	4.19	4.45
2748	NASDAQ	PKOH	Wed, Apr 23, 2003	4.05	4.22	4.05	4.17
2747	NASDAQ	PKOH	Tue, Apr 22, 2003	3.97	4.09	3.97	4.00
2746	NASDAQ	PKOH	Mon, Apr 21, 2003	3.98	4.13	3.95	4.00
2745	NASDAQ	PKOH	Thu, Apr 17, 2003	3.80	3.98	3.80	3.98
2744	NASDAQ	PKOH	Wed, Apr 16, 2003	3.95	3.97	3.72	3.85
2743	NASDAQ	PKOH	Tue, Apr 15, 2003	3.97	3.97	3.77	3.89
2742	NASDAQ	PKOH	Mon, Apr 14, 2003	3.87	4.00	3.79	4.00
2741	NASDAQ	PKOH	Fri, Apr 11, 2003	3.86	4.00	3.76	3.87
2740	NASDAQ	PKOH	Thu, Apr 10, 2003	3.61	3.79	3.61	3.79
2739	NASDAQ	PKOH	Wed, Apr 9, 2003	3.25	3.59	3.20	3.50
2738	NASDAQ	PKOH	Tue, Apr 8, 2003	3.20	3.43	3.10	3.26
2737	NASDAQ	PKOH	Mon, Apr 7, 2003	3.52	3.52	3.25	3.40
2736	NASDAQ	PKOH	Fri, Apr 4, 2003	3.45	3.45	3.36	3.44
2735	NASDAQ	PKOH	Thu, Apr 3, 2003	3.33	3.48	3.33	3.46
2734	NASDAQ	PKOH	Wed, Apr 2, 2003	3.29	3.35	3.13	3.33
2733	NASDAQ	PKOH	Tue, Apr 1, 2003	3.46	3.46	3.30	3.38
2732	NASDAQ	PKOH	Mon, Mar 31, 2003	4.16	4.32	3.43	3.46
2731	NASDAQ	PKOH	Fri, Mar 28, 2003	3.65	3.87	3.65	3.86
2730	NASDAQ	PKOH	Thu, Mar 27, 2003	3.50	3.61	3.44	3.53
2729	NASDAQ	PKOH	Wed, Mar 26, 2003	3.44	3.44	2.79	3.44
2728	NASDAQ	PKOH	Tue, Mar 25, 2003	3.35	3.55	3.16	3.31
2727	NASDAQ	PKOH	Mon, Mar 24, 2003	3.10	3.45	2.55	3.16
2726	NASDAQ	PKOH	Fri, Mar 21, 2003	3.36	3.37	3.05	3.05
2725	NASDAQ	PKOH	Thu, Mar 20, 2003	3.37	3.37	3.37	3.37
2724	NASDAQ	PKOH	Wed, Mar 19, 2003	3.45	3.45	3.45	3.45
2723	NASDAQ	PKOH	Tue, Mar 18, 2003	3.43	3.45	3.37	3.44
2722	NASDAQ	PKOH	Mon, Mar 17, 2003	3.29	3.56	3.29	3.45
2721	NASDAQ	PKOH	Fri, Mar 14, 2003	3.39	3.39	3.25	3.38
2720	NASDAQ	PKOH	Thu, Mar 13, 2003	3.39	3.39	3.39	3.39
2719	NASDAQ	PKOH	Wed, Mar 12, 2003	3.45	3.45	3.39	3.45
2718	NASDAQ	PKOH	Tue, Mar 11, 2003	3.35	3.54	3.31	3.45
2717	NASDAQ	PKOH	Mon, Mar 10, 2003	3.39	3.54	3.29	3.34
2716	NASDAQ	PKOH	Fri, Mar 7, 2003	3.43	4.00	3.40	3.40
2715	NASDAQ	PKOH	Thu, Mar 6, 2003	3.30	3.32	3.29	3.29
2714	NASDAQ	PKOH	Wed, Mar 5, 2003	3.40	3.42	3.26	3.36
2713	NASDAQ	PKOH	Tue, Mar 4, 2003	3.40	3.45	3.40	3.43
2712	NASDAQ	PKOH	Mon, Mar 3, 2003	3.41	3.55	3.39	3.45
2711	NASDAQ	PKOH	Fri, Feb 28, 2003	3.37	3.50	3.36	3.48
2710	NASDAQ	PKOH	Thu, Feb 27, 2003	3.40	3.40	3.35	3.37
2709	NASDAQ	PKOH	Wed, Feb 26, 2003	3.32	3.40	3.30	3.38
2708	NASDAQ	PKOH	Tue, Feb 25, 2003	3.33	3.54	3.33	3.33
2707	NASDAQ	PKOH	Mon, Feb 24, 2003	3.20	3.64	3.17	3.55
2706	NASDAQ	PKOH	Fri, Feb 21, 2003	3.63	3.70	3.32	3.47
2705	NASDAQ	PKOH	Thu, Feb 20, 2003	3.57	3.64	3.50	3.64
2704	NASDAQ	PKOH	Wed, Feb 19, 2003	3.76	3.76	3.76	3.76
2703	NASDAQ	PKOH	Tue, Feb 18, 2003	3.56	3.75	3.56	3.74
2702	NASDAQ	PKOH	Fri, Feb 14, 2003	3.50	3.65	3.47	3.65
2701	NASDAQ	PKOH	Thu, Feb 13, 2003	3.50	3.67	3.47	3.67
2700	NASDAQ	PKOH	Wed, Feb 12, 2003	3.49	3.82	3.45	3.73
2699	NASDAQ	PKOH	Tue, Feb 11, 2003	3.97	3.97	3.77	3.77
2698	NASDAQ	PKOH	Mon, Feb 10, 2003	3.85	3.98	3.83	3.97
2697	NASDAQ	PKOH	Fri, Feb 7, 2003	3.94	3.99	3.81	3.90
2696	NASDAQ	PKOH	Thu, Feb 6, 2003	3.79	3.95	3.79	3.95
2695	NASDAQ	PKOH	Wed, Feb 5, 2003	3.95	4.00	3.77	3.94
2694	NASDAQ	PKOH	Tue, Feb 4, 2003	3.84	4.00	3.84	3.95
2693	NASDAQ	PKOH	Mon, Feb 3, 2003	3.81	3.93	3.77	3.90
2692	NASDAQ	PKOH	Fri, Jan 31, 2003	3.98	4.08	3.68	3.94
2691	NASDAQ	PKOH	Thu, Jan 30, 2003	3.99	4.05	3.99	4.01
2690	NASDAQ	PKOH	Wed, Jan 29, 2003	4.24	4.24	4.05	4.05
2689	NASDAQ	PKOH	Mon, Jan 27, 2003	4.07	4.17	3.97	4.03
2688	NASDAQ	PKOH	Fri, Jan 24, 2003	4.23	4.23	3.97	3.97
2687	NASDAQ	PKOH	Thu, Jan 23, 2003	4.24	4.24	4.00	4.24
2686	NASDAQ	PKOH	Wed, Jan 22, 2003	4.07	4.16	4.07	4.07
2685	NASDAQ	PKOH	Tue, Jan 21, 2003	4.01	4.07	3.97	4.07
2684	NASDAQ	PKOH	Fri, Jan 17, 2003	4.08	4.10	4.00	4.04
2683	NASDAQ	PKOH	Thu, Jan 16, 2003	4.28	4.30	3.98	4.18
2682	NASDAQ	PKOH	Wed, Jan 15, 2003	4.28	4.35	4.24	4.25
2681	NASDAQ	PKOH	Tue, Jan 14, 2003	4.20	4.42	4.08	4.41
2680	NASDAQ	PKOH	Mon, Jan 13, 2003	4.17	4.41	4.17	4.34
2679	NASDAQ	PKOH	Fri, Jan 10, 2003	4.13	4.14	4.13	4.14
2678	NASDAQ	PKOH	Thu, Jan 9, 2003	4.12	4.15	3.62	4.15
2677	NASDAQ	PKOH	Wed, Jan 8, 2003	4.17	4.17	4.13	4.14
2676	NASDAQ	PKOH	Tue, Jan 7, 2003	4.10	4.31	4.10	4.18
2675	NASDAQ	PKOH	Mon, Jan 6, 2003	4.13	4.25	4.10	4.10
2674	NASDAQ	PKOH	Fri, Jan 3, 2003	4.11	4.14	4.07	4.14
2673	NASDAQ	PKOH	Thu, Jan 2, 2003	4.15	4.15	4.02	4.15
2672	NASDAQ	PKOH	Tue, Dec 31, 2002	3.93	4.16	3.93	4.16
2671	NASDAQ	PKOH	Mon, Dec 30, 2002	3.89	4.19	3.73	3.92
2670	NASDAQ	PKOH	Fri, Dec 27, 2002	3.90	4.10	3.90	4.06
2669	NASDAQ	PKOH	Thu, Dec 26, 2002	3.87	4.10	3.86	4.03
2668	NASDAQ	PKOH	Tue, Dec 24, 2002	3.90	4.14	3.75	4.14
2667	NASDAQ	PKOH	Mon, Dec 23, 2002	3.95	3.95	3.94	3.94
2666	NASDAQ	PKOH	Fri, Dec 20, 2002	4.03	4.03	3.90	3.94
2665	NASDAQ	PKOH	Thu, Dec 19, 2002	4.09	4.14	4.04	4.04
2664	NASDAQ	PKOH	Wed, Dec 18, 2002	4.00	4.07	4.00	4.07
2663	NASDAQ	PKOH	Tue, Dec 17, 2002	4.05	4.10	4.00	4.01
2662	NASDAQ	PKOH	Mon, Dec 16, 2002	4.00	4.22	4.00	4.09
2661	NASDAQ	PKOH	Fri, Dec 13, 2002	4.12	4.12	4.01	4.01
2660	NASDAQ	PKOH	Thu, Dec 12, 2002	4.24	4.24	4.22	4.23
2659	NASDAQ	PKOH	Wed, Dec 11, 2002	4.01	4.23	4.01	4.23
2658	NASDAQ	PKOH	Tue, Dec 10, 2002	4.05	4.37	4.05	4.37
2657	NASDAQ	PKOH	Mon, Dec 9, 2002	4.25	4.38	4.15	4.28
2656	NASDAQ	PKOH	Fri, Dec 6, 2002	3.63	4.20	3.63	4.20
2655	NASDAQ	PKOH	Thu, Dec 5, 2002	3.75	3.89	3.64	3.75
2654	NASDAQ	PKOH	Wed, Dec 4, 2002	3.96	3.96	3.69	3.77
2653	NASDAQ	PKOH	Tue, Dec 3, 2002	3.96	4.00	3.95	3.98
2652	NASDAQ	PKOH	Mon, Dec 2, 2002	4.00	4.18	3.75	3.91
2651	NASDAQ	PKOH	Fri, Nov 29, 2002	3.84	4.18	3.75	4.15
2650	NASDAQ	PKOH	Wed, Nov 27, 2002	3.91	4.20	3.91	4.04
2649	NASDAQ	PKOH	Tue, Nov 26, 2002	4.15	4.15	3.80	4.00
2648	NASDAQ	PKOH	Mon, Nov 25, 2002	4.12	4.19	4.09	4.13
2647	NASDAQ	PKOH	Fri, Nov 22, 2002	4.06	4.20	4.06	4.20
2646	NASDAQ	PKOH	Thu, Nov 21, 2002	4.21	4.22	4.09	4.19
2645	NASDAQ	PKOH	Wed, Nov 20, 2002	4.23	4.25	4.00	4.22
2644	NASDAQ	PKOH	Tue, Nov 19, 2002	4.23	4.29	4.16	4.16
2643	NASDAQ	PKOH	Mon, Nov 18, 2002	4.30	4.38	4.08	4.30
2642	NASDAQ	PKOH	Fri, Nov 15, 2002	3.94	4.09	3.87	4.09
2641	NASDAQ	PKOH	Thu, Nov 14, 2002	4.19	4.21	3.99	4.06
2640	NASDAQ	PKOH	Wed, Nov 13, 2002	4.30	4.30	4.10	4.29
2639	NASDAQ	PKOH	Tue, Nov 12, 2002	4.24	4.38	4.16	4.31
2638	NASDAQ	PKOH	Mon, Nov 11, 2002	4.24	4.38	4.24	4.38
2637	NASDAQ	PKOH	Fri, Nov 8, 2002	4.37	4.37	4.22	4.26
2636	NASDAQ	PKOH	Thu, Nov 7, 2002	4.37	4.38	4.32	4.36
2635	NASDAQ	PKOH	Wed, Nov 6, 2002	4.19	4.38	4.19	4.37
2634	NASDAQ	PKOH	Tue, Nov 5, 2002	4.10	4.30	4.10	4.24
2633	NASDAQ	PKOH	Mon, Nov 4, 2002	4.35	4.53	4.12	4.30
2632	NASDAQ	PKOH	Fri, Nov 1, 2002	4.07	4.31	3.99	4.27
2631	NASDAQ	PKOH	Thu, Oct 31, 2002	4.00	4.52	3.99	4.37
2630	NASDAQ	PKOH	Wed, Oct 30, 2002	3.96	3.96	3.95	3.96
2629	NASDAQ	PKOH	Tue, Oct 29, 2002	3.99	4.10	3.99	4.10
2628	NASDAQ	PKOH	Mon, Oct 28, 2002	4.01	4.01	3.95	3.95
2627	NASDAQ	PKOH	Fri, Oct 25, 2002	4.00	4.00	3.95	3.95
2626	NASDAQ	PKOH	Thu, Oct 24, 2002	3.89	4.01	3.87	3.90
2625	NASDAQ	PKOH	Wed, Oct 23, 2002	3.86	3.86	3.86	3.86
2624	NASDAQ	PKOH	Tue, Oct 22, 2002	3.92	4.00	3.88	4.00
2623	NASDAQ	PKOH	Mon, Oct 21, 2002	3.94	3.95	3.94	3.95
2622	NASDAQ	PKOH	Fri, Oct 18, 2002	3.91	3.95	3.91	3.95
2621	NASDAQ	PKOH	Thu, Oct 17, 2002	4.03	4.03	3.86	3.86
2620	NASDAQ	PKOH	Wed, Oct 16, 2002	3.95	4.02	3.92	3.93
2619	NASDAQ	PKOH	Tue, Oct 15, 2002	4.21	4.21	3.92	4.01
2618	NASDAQ	PKOH	Mon, Oct 14, 2002	4.11	4.12	3.86	4.00
2617	NASDAQ	PKOH	Fri, Oct 11, 2002	3.91	4.16	3.79	4.12
2616	NASDAQ	PKOH	Thu, Oct 10, 2002	4.07	4.07	3.08	3.80
2615	NASDAQ	PKOH	Wed, Oct 9, 2002	4.00	4.11	3.96	4.09
2614	NASDAQ	PKOH	Tue, Oct 8, 2002	3.79	4.00	3.78	4.00
2613	NASDAQ	PKOH	Mon, Oct 7, 2002	3.79	4.39	3.78	3.97
2612	NASDAQ	PKOH	Fri, Oct 4, 2002	4.18	4.35	3.98	4.35
2611	NASDAQ	PKOH	Thu, Oct 3, 2002	4.30	4.39	3.90	4.20
2610	NASDAQ	PKOH	Wed, Oct 2, 2002	4.20	4.39	4.05	4.38
2609	NASDAQ	PKOH	Tue, Oct 1, 2002	4.09	4.20	4.06	4.20
2608	NASDAQ	PKOH	Mon, Sep 30, 2002	3.77	4.24	3.70	4.00
2607	NASDAQ	PKOH	Fri, Sep 27, 2002	3.98	4.02	3.98	4.00
2606	NASDAQ	PKOH	Thu, Sep 26, 2002	3.84	3.99	3.84	3.99
2605	NASDAQ	PKOH	Wed, Sep 25, 2002	3.76	3.90	3.76	3.90
2604	NASDAQ	PKOH	Tue, Sep 24, 2002	3.77	3.77	3.50	3.53
2603	NASDAQ	PKOH	Mon, Sep 23, 2002	3.95	3.95	3.20	3.75
2602	NASDAQ	PKOH	Fri, Sep 20, 2002	3.49	3.75	3.49	3.62
2601	NASDAQ	PKOH	Thu, Sep 19, 2002	3.56	3.61	3.50	3.55
2600	NASDAQ	PKOH	Wed, Sep 18, 2002	3.42	3.57	3.28	3.41
2599	NASDAQ	PKOH	Tue, Sep 17, 2002	3.52	3.53	3.31	3.31
2598	NASDAQ	PKOH	Mon, Sep 16, 2002	3.30	3.60	3.28	3.40
2597	NASDAQ	PKOH	Fri, Sep 13, 2002	3.75	3.75	3.51	3.51
2596	NASDAQ	PKOH	Thu, Sep 12, 2002	3.65	3.66	3.49	3.49
2595	NASDAQ	PKOH	Wed, Sep 11, 2002	3.36	3.70	3.36	3.70
2594	NASDAQ	PKOH	Tue, Sep 10, 2002	3.75	3.75	3.52	3.57
2593	NASDAQ	PKOH	Mon, Sep 9, 2002	4.01	4.01	3.61	3.74
2592	NASDAQ	PKOH	Fri, Sep 6, 2002	3.81	3.89	3.59	3.60
2591	NASDAQ	PKOH	Thu, Sep 5, 2002	4.02	4.02	4.02	4.02
2590	NASDAQ	PKOH	Wed, Sep 4, 2002	3.78	4.01	3.70	3.72
2589	NASDAQ	PKOH	Tue, Sep 3, 2002	4.00	4.18	3.67	3.78
2588	NASDAQ	PKOH	Fri, Aug 30, 2002	3.85	4.02	3.75	4.02
2587	NASDAQ	PKOH	Thu, Aug 29, 2002	3.80	3.90	3.70	3.75
2586	NASDAQ	PKOH	Wed, Aug 28, 2002	3.85	3.90	3.85	3.85
2585	NASDAQ	PKOH	Tue, Aug 27, 2002	3.90	3.91	3.85	3.85
2584	NASDAQ	PKOH	Mon, Aug 26, 2002	4.09	4.09	3.91	3.91
2583	NASDAQ	PKOH	Fri, Aug 23, 2002	4.00	4.00	3.79	3.83
2582	NASDAQ	PKOH	Thu, Aug 22, 2002	4.00	4.10	4.00	4.10
2581	NASDAQ	PKOH	Wed, Aug 21, 2002	4.10	4.10	3.80	4.00
2580	NASDAQ	PKOH	Tue, Aug 20, 2002	3.73	3.95	3.73	3.94
2579	NASDAQ	PKOH	Mon, Aug 19, 2002	4.24	4.24	3.80	3.94
2578	NASDAQ	PKOH	Fri, Aug 16, 2002	3.99	4.00	3.62	3.68
2577	NASDAQ	PKOH	Thu, Aug 15, 2002	4.16	4.16	3.65	3.65
2576	NASDAQ	PKOH	Wed, Aug 14, 2002	4.51	4.73	4.05	4.05
2575	NASDAQ	PKOH	Tue, Aug 13, 2002	5.04	5.20	4.35	4.50
2574	NASDAQ	PKOH	Mon, Aug 12, 2002	5.03	5.03	4.95	4.95
2573	NASDAQ	PKOH	Fri, Aug 9, 2002	5.04	5.04	4.90	5.00
2572	NASDAQ	PKOH	Thu, Aug 8, 2002	4.51	5.00	4.50	4.70
2571	NASDAQ	PKOH	Wed, Aug 7, 2002	4.71	4.80	4.46	4.46
2570	NASDAQ	PKOH	Tue, Aug 6, 2002	4.70	5.20	4.70	4.71
2569	NASDAQ	PKOH	Mon, Aug 5, 2002	4.60	5.09	4.60	4.99
2568	NASDAQ	PKOH	Fri, Aug 2, 2002	4.80	5.00	4.80	5.00
2567	NASDAQ	PKOH	Thu, Aug 1, 2002	4.60	5.10	4.46	5.00
2566	NASDAQ	PKOH	Wed, Jul 31, 2002	4.60	4.89	4.60	4.89
2565	NASDAQ	PKOH	Tue, Jul 30, 2002	4.05	4.91	4.05	4.91
2564	NASDAQ	PKOH	Mon, Jul 29, 2002	4.00	5.00	4.00	4.79
2563	NASDAQ	PKOH	Fri, Jul 26, 2002	4.43	4.43	4.00	4.00
2562	NASDAQ	PKOH	Thu, Jul 25, 2002	4.20	4.60	4.20	4.43
2561	NASDAQ	PKOH	Wed, Jul 24, 2002	3.75	4.39	3.73	4.39
2560	NASDAQ	PKOH	Tue, Jul 23, 2002	3.54	3.90	3.54	3.70
2559	NASDAQ	PKOH	Mon, Jul 22, 2002	4.05	4.05	3.35	3.50
2558	NASDAQ	PKOH	Fri, Jul 19, 2002	4.10	4.57	3.81	4.05
2557	NASDAQ	PKOH	Thu, Jul 18, 2002	4.31	4.39	4.05	4.39
2556	NASDAQ	PKOH	Wed, Jul 17, 2002	4.45	4.55	4.26	4.50
2555	NASDAQ	PKOH	Tue, Jul 16, 2002	4.25	4.44	4.21	4.37
2554	NASDAQ	PKOH	Mon, Jul 15, 2002	4.44	4.50	3.71	4.26
2553	NASDAQ	PKOH	Fri, Jul 12, 2002	4.75	4.75	4.58	4.59
2552	NASDAQ	PKOH	Thu, Jul 11, 2002	4.89	4.89	4.30	4.51
2551	NASDAQ	PKOH	Wed, Jul 10, 2002	4.98	4.98	4.75	4.90
2550	NASDAQ	PKOH	Tue, Jul 9, 2002	4.60	4.99	4.60	4.99
2549	NASDAQ	PKOH	Mon, Jul 8, 2002	4.54	4.95	4.48	4.92
2548	NASDAQ	PKOH	Fri, Jul 5, 2002	4.33	4.59	4.33	4.59
2547	NASDAQ	PKOH	Wed, Jul 3, 2002	4.45	4.60	4.31	4.32
2546	NASDAQ	PKOH	Tue, Jul 2, 2002	4.39	4.62	4.39	4.50
2545	NASDAQ	PKOH	Mon, Jul 1, 2002	4.55	4.75	4.38	4.40
2544	NASDAQ	PKOH	Fri, Jun 28, 2002	4.90	4.90	4.22	4.50
2543	NASDAQ	PKOH	Thu, Jun 27, 2002	4.95	5.03	4.90	4.90
2542	NASDAQ	PKOH	Wed, Jun 26, 2002	4.82	5.07	4.81	4.87
2541	NASDAQ	PKOH	Tue, Jun 25, 2002	4.69	4.97	4.69	4.86
2540	NASDAQ	PKOH	Mon, Jun 24, 2002	5.00	5.01	4.66	4.66
2539	NASDAQ	PKOH	Fri, Jun 21, 2002	4.62	4.85	4.61	4.75
2538	NASDAQ	PKOH	Thu, Jun 20, 2002	4.86	5.04	4.46	4.84
2537	NASDAQ	PKOH	Wed, Jun 19, 2002	5.05	5.05	4.72	4.88
2536	NASDAQ	PKOH	Tue, Jun 18, 2002	5.25	5.25	5.18	5.18
2535	NASDAQ	PKOH	Mon, Jun 17, 2002	5.20	5.30	5.09	5.30
2534	NASDAQ	PKOH	Fri, Jun 14, 2002	5.09	5.48	5.02	5.30
2533	NASDAQ	PKOH	Thu, Jun 13, 2002	5.30	5.30	5.07	5.15
2532	NASDAQ	PKOH	Wed, Jun 12, 2002	5.05	5.38	5.05	5.38
2531	NASDAQ	PKOH	Tue, Jun 11, 2002	5.05	5.25	5.05	5.20
2530	NASDAQ	PKOH	Mon, Jun 10, 2002	5.55	5.69	4.57	5.40
2529	NASDAQ	PKOH	Fri, Jun 7, 2002	5.11	5.49	4.50	5.43
2528	NASDAQ	PKOH	Thu, Jun 6, 2002	5.17	5.37	5.05	5.05
2527	NASDAQ	PKOH	Wed, Jun 5, 2002	5.69	5.69	5.05	5.45
2526	NASDAQ	PKOH	Tue, Jun 4, 2002	5.48	5.48	5.48	5.48
2525	NASDAQ	PKOH	Mon, Jun 3, 2002	5.74	5.74	5.40	5.41
2524	NASDAQ	PKOH	Fri, May 31, 2002	5.53	5.74	5.42	5.70
2523	NASDAQ	PKOH	Thu, May 30, 2002	5.44	5.80	5.44	5.75
2522	NASDAQ	PKOH	Wed, May 29, 2002	5.39	5.48	5.27	5.34
2521	NASDAQ	PKOH	Tue, May 28, 2002	5.52	5.58	5.20	5.42
2520	NASDAQ	PKOH	Fri, May 24, 2002	4.90	5.55	4.90	5.50
2519	NASDAQ	PKOH	Thu, May 23, 2002	5.31	5.46	4.76	5.25
2518	NASDAQ	PKOH	Wed, May 22, 2002	5.30	5.52	5.01	5.52
2517	NASDAQ	PKOH	Tue, May 21, 2002	5.67	5.67	5.45	5.55
2516	NASDAQ	PKOH	Mon, May 20, 2002	5.58	5.74	5.20	5.45
2515	NASDAQ	PKOH	Fri, May 17, 2002	5.55	5.68	5.25	5.53
2514	NASDAQ	PKOH	Thu, May 16, 2002	5.75	5.75	5.25	5.50
2513	NASDAQ	PKOH	Wed, May 15, 2002	5.13	5.95	5.13	5.75
2512	NASDAQ	PKOH	Tue, May 14, 2002	5.07	5.75	5.07	5.65
2511	NASDAQ	PKOH	Mon, May 13, 2002	5.46	5.57	5.20	5.20
2510	NASDAQ	PKOH	Fri, May 10, 2002	5.44	5.62	5.36	5.45
2509	NASDAQ	PKOH	Thu, May 9, 2002	5.69	5.75	4.90	5.45
2508	NASDAQ	PKOH	Wed, May 8, 2002	5.26	5.90	5.25	5.60
2507	NASDAQ	PKOH	Tue, May 7, 2002	5.10	5.30	4.80	5.30
2506	NASDAQ	PKOH	Mon, May 6, 2002	4.95	5.13	4.80	4.89
2505	NASDAQ	PKOH	Fri, May 3, 2002	4.65	4.78	4.54	4.78
2504	NASDAQ	PKOH	Thu, May 2, 2002	4.80	4.86	4.60	4.75
2503	NASDAQ	PKOH	Wed, May 1, 2002	4.80	4.84	4.73	4.73
2502	NASDAQ	PKOH	Tue, Apr 30, 2002	4.94	5.00	4.85	4.85
2501	NASDAQ	PKOH	Mon, Apr 29, 2002	4.79	4.95	4.62	4.95
2500	NASDAQ	PKOH	Fri, Apr 26, 2002	4.80	5.00	4.77	4.80
2499	NASDAQ	PKOH	Thu, Apr 25, 2002	5.00	5.09	4.75	4.75
2498	NASDAQ	PKOH	Wed, Apr 24, 2002	5.00	5.00	4.70	4.99
2497	NASDAQ	PKOH	Tue, Apr 23, 2002	5.00	5.10	4.85	4.95
2496	NASDAQ	PKOH	Mon, Apr 22, 2002	5.09	5.09	4.85	4.85
2495	NASDAQ	PKOH	Fri, Apr 19, 2002	5.00	5.09	5.00	5.09
2494	NASDAQ	PKOH	Thu, Apr 18, 2002	5.01	5.04	5.00	5.04
2493	NASDAQ	PKOH	Wed, Apr 17, 2002	5.00	5.05	4.90	5.01
2492	NASDAQ	PKOH	Tue, Apr 16, 2002	4.99	5.05	4.99	5.00
2491	NASDAQ	PKOH	Mon, Apr 15, 2002	5.00	5.10	4.95	4.99
2490	NASDAQ	PKOH	Fri, Apr 12, 2002	4.69	5.02	4.69	5.02
2489	NASDAQ	PKOH	Thu, Apr 11, 2002	4.91	4.94	4.55	4.55
2488	NASDAQ	PKOH	Wed, Apr 10, 2002	4.91	5.07	4.80	4.99
2487	NASDAQ	PKOH	Tue, Apr 9, 2002	5.20	5.28	4.30	4.40
2486	NASDAQ	PKOH	Mon, Apr 8, 2002	4.48	5.55	4.48	5.49
2485	NASDAQ	PKOH	Fri, Apr 5, 2002	4.47	4.50	4.40	4.50
2484	NASDAQ	PKOH	Thu, Apr 4, 2002	4.50	4.84	4.48	4.58
2483	NASDAQ	PKOH	Wed, Apr 3, 2002	4.25	4.50	4.25	4.40
2482	NASDAQ	PKOH	Tue, Apr 2, 2002	4.35	4.50	4.25	4.25
2481	NASDAQ	PKOH	Mon, Apr 1, 2002	4.48	4.50	4.35	4.48
2480	NASDAQ	PKOH	Thu, Mar 28, 2002	4.23	4.48	4.23	4.48
2479	NASDAQ	PKOH	Wed, Mar 27, 2002	4.30	4.46	4.20	4.46
2478	NASDAQ	PKOH	Tue, Mar 26, 2002	4.30	4.44	4.26	4.44
2477	NASDAQ	PKOH	Mon, Mar 25, 2002	4.12	4.39	4.01	4.39
2476	NASDAQ	PKOH	Fri, Mar 22, 2002	4.15	4.15	4.01	4.09
2475	NASDAQ	PKOH	Thu, Mar 21, 2002	4.13	4.16	4.01	4.01
2474	NASDAQ	PKOH	Wed, Mar 20, 2002	4.04	4.15	4.00	4.10
2473	NASDAQ	PKOH	Tue, Mar 19, 2002	3.71	4.40	3.71	4.25
2472	NASDAQ	PKOH	Mon, Mar 18, 2002	3.45	3.90	3.43	3.90
2471	NASDAQ	PKOH	Fri, Mar 15, 2002	3.40	3.50	3.40	3.40
2470	NASDAQ	PKOH	Thu, Mar 14, 2002	3.45	3.46	3.40	3.40
2469	NASDAQ	PKOH	Wed, Mar 13, 2002	3.40	3.45	3.28	3.40
2468	NASDAQ	PKOH	Tue, Mar 12, 2002	3.40	3.44	3.37	3.43
2467	NASDAQ	PKOH	Mon, Mar 11, 2002	3.35	3.44	3.35	3.44
2466	NASDAQ	PKOH	Fri, Mar 8, 2002	3.45	3.45	3.36	3.36
2465	NASDAQ	PKOH	Thu, Mar 7, 2002	3.38	3.45	3.29	3.42
2464	NASDAQ	PKOH	Wed, Mar 6, 2002	3.25	3.40	3.25	3.38
2463	NASDAQ	PKOH	Tue, Mar 5, 2002	3.40	3.50	3.25	3.40
2462	NASDAQ	PKOH	Mon, Mar 4, 2002	3.25	3.51	3.25	3.35
2461	NASDAQ	PKOH	Fri, Mar 1, 2002	3.15	3.25	3.05	3.24
2460	NASDAQ	PKOH	Thu, Feb 28, 2002	3.18	3.25	3.05	3.25
2459	NASDAQ	PKOH	Wed, Feb 27, 2002	3.03	3.23	2.98	3.05
2458	NASDAQ	PKOH	Tue, Feb 26, 2002	3.04	3.04	3.00	3.00
2457	NASDAQ	PKOH	Mon, Feb 25, 2002	3.04	3.06	3.00	3.00
2456	NASDAQ	PKOH	Fri, Feb 22, 2002	3.05	3.05	2.90	3.03
2455	NASDAQ	PKOH	Thu, Feb 21, 2002	2.90	3.09	2.90	3.05
2454	NASDAQ	PKOH	Wed, Feb 20, 2002	3.04	3.05	2.92	2.96
2453	NASDAQ	PKOH	Tue, Feb 19, 2002	3.00	3.00	2.98	2.98
2452	NASDAQ	PKOH	Fri, Feb 15, 2002	3.00	3.10	2.95	2.95
2451	NASDAQ	PKOH	Thu, Feb 14, 2002	3.05	3.18	3.00	3.00
2450	NASDAQ	PKOH	Wed, Feb 13, 2002	3.01	3.05	2.94	2.95
2449	NASDAQ	PKOH	Tue, Feb 12, 2002	3.05	3.19	3.04	3.04
2448	NASDAQ	PKOH	Mon, Feb 11, 2002	3.03	3.07	2.95	3.00
2447	NASDAQ	PKOH	Fri, Feb 8, 2002	3.06	3.10	2.85	3.03
2446	NASDAQ	PKOH	Thu, Feb 7, 2002	3.02	3.05	2.71	2.93
2445	NASDAQ	PKOH	Wed, Feb 6, 2002	3.02	3.20	3.00	3.00
2444	NASDAQ	PKOH	Tue, Feb 5, 2002	3.00	3.08	3.00	3.03
2443	NASDAQ	PKOH	Mon, Feb 4, 2002	3.08	3.09	2.82	3.00
2442	NASDAQ	PKOH	Fri, Feb 1, 2002	3.07	3.08	2.97	2.97
2441	NASDAQ	PKOH	Thu, Jan 31, 2002	3.14	3.14	2.92	2.92
2440	NASDAQ	PKOH	Wed, Jan 30, 2002	3.12	3.12	3.00	3.04
2439	NASDAQ	PKOH	Tue, Jan 29, 2002	3.20	3.21	3.12	3.12
2438	NASDAQ	PKOH	Mon, Jan 28, 2002	2.96	3.20	2.96	3.00
2437	NASDAQ	PKOH	Fri, Jan 25, 2002	3.14	3.14	2.95	3.12
2436	NASDAQ	PKOH	Thu, Jan 24, 2002	3.05	3.15	3.02	3.12
2435	NASDAQ	PKOH	Wed, Jan 23, 2002	3.09	3.10	3.00	3.10
2434	NASDAQ	PKOH	Tue, Jan 22, 2002	2.75	3.15	2.72	3.15
2433	NASDAQ	PKOH	Fri, Jan 18, 2002	2.75	2.77	2.70	2.70
2432	NASDAQ	PKOH	Thu, Jan 17, 2002	2.90	2.90	2.75	2.75
2431	NASDAQ	PKOH	Wed, Jan 16, 2002	2.76	2.92	2.65	2.90
2430	NASDAQ	PKOH	Tue, Jan 15, 2002	2.60	2.80	2.50	2.75
2429	NASDAQ	PKOH	Mon, Jan 14, 2002	2.60	2.75	2.40	2.40
2428	NASDAQ	PKOH	Fri, Jan 11, 2002	2.81	2.81	2.50	2.56
2427	NASDAQ	PKOH	Thu, Jan 10, 2002	2.85	2.90	2.80	2.83
2426	NASDAQ	PKOH	Wed, Jan 9, 2002	2.94	2.96	2.88	2.88
2425	NASDAQ	PKOH	Tue, Jan 8, 2002	2.72	2.95	2.51	2.95
2424	NASDAQ	PKOH	Mon, Jan 7, 2002	2.99	2.99	2.62	2.63
2423	NASDAQ	PKOH	Fri, Jan 4, 2002	3.00	3.00	2.86	2.86
2422	NASDAQ	PKOH	Thu, Jan 3, 2002	3.24	3.24	2.91	2.91
2421	NASDAQ	PKOH	Wed, Jan 2, 2002	3.17	3.20	3.10	3.10
2420	NASDAQ	PKOH	Mon, Dec 31, 2001	2.81	3.25	2.80	3.18
2419	NASDAQ	PKOH	Fri, Dec 28, 2001	3.02	3.10	2.90	3.00
2418	NASDAQ	PKOH	Thu, Dec 27, 2001	3.20	3.35	3.02	3.11
2417	NASDAQ	PKOH	Wed, Dec 26, 2001	3.10	3.29	3.10	3.25
2416	NASDAQ	PKOH	Mon, Dec 24, 2001	3.19	3.25	3.05	3.22
2415	NASDAQ	PKOH	Fri, Dec 21, 2001	3.30	3.30	3.03	3.15
2414	NASDAQ	PKOH	Thu, Dec 20, 2001	3.22	3.40	3.18	3.23
2413	NASDAQ	PKOH	Wed, Dec 19, 2001	3.30	3.43	3.20	3.21
2412	NASDAQ	PKOH	Tue, Dec 18, 2001	3.31	3.38	3.28	3.32
2411	NASDAQ	PKOH	Mon, Dec 17, 2001	3.22	3.36	3.20	3.36
2410	NASDAQ	PKOH	Fri, Dec 14, 2001	3.17	3.25	3.08	3.09
2409	NASDAQ	PKOH	Thu, Dec 13, 2001	3.38	3.60	3.03	3.08
2408	NASDAQ	PKOH	Wed, Dec 12, 2001	3.31	3.48	3.20	3.48
2407	NASDAQ	PKOH	Tue, Dec 11, 2001	3.50	3.50	3.30	3.48
2406	NASDAQ	PKOH	Mon, Dec 10, 2001	3.15	3.55	3.15	3.50
2405	NASDAQ	PKOH	Fri, Dec 7, 2001	3.45	3.90	3.05	3.45
2404	NASDAQ	PKOH	Thu, Dec 6, 2001	2.90	3.49	2.90	3.45
2403	NASDAQ	PKOH	Wed, Dec 5, 2001	2.65	3.00	2.65	2.95
2402	NASDAQ	PKOH	Tue, Dec 4, 2001	2.50	2.70	2.20	2.60
2401	NASDAQ	PKOH	Mon, Dec 3, 2001	2.24	2.50	2.15	2.50
2400	NASDAQ	PKOH	Fri, Nov 30, 2001	1.93	2.25	1.93	2.25
2399	NASDAQ	PKOH	Thu, Nov 29, 2001	1.86	1.93	1.68	1.91
2398	NASDAQ	PKOH	Wed, Nov 28, 2001	2.00	2.10	1.88	1.88
2397	NASDAQ	PKOH	Tue, Nov 27, 2001	2.12	2.15	1.98	1.98
2396	NASDAQ	PKOH	Mon, Nov 26, 2001	2.00	2.15	1.97	2.05
2395	NASDAQ	PKOH	Fri, Nov 23, 2001	2.29	2.29	1.90	1.93
2394	NASDAQ	PKOH	Wed, Nov 21, 2001	2.13	2.13	1.91	1.94
2393	NASDAQ	PKOH	Tue, Nov 20, 2001	2.27	2.28	2.05	2.09
2392	NASDAQ	PKOH	Mon, Nov 19, 2001	2.40	2.44	2.18	2.27
2391	NASDAQ	PKOH	Fri, Nov 16, 2001	2.34	2.37	2.12	2.35
2390	NASDAQ	PKOH	Thu, Nov 15, 2001	2.49	2.50	2.01	2.37
2389	NASDAQ	PKOH	Wed, Nov 14, 2001	2.60	2.61	2.45	2.45
2388	NASDAQ	PKOH	Tue, Nov 13, 2001	2.60	2.60	2.45	2.47
2387	NASDAQ	PKOH	Mon, Nov 12, 2001	2.58	2.61	2.42	2.50
2386	NASDAQ	PKOH	Fri, Nov 9, 2001	2.70	2.72	2.50	2.64
2385	NASDAQ	PKOH	Thu, Nov 8, 2001	2.30	2.74	2.30	2.70
2384	NASDAQ	PKOH	Wed, Nov 7, 2001	2.33	2.45	2.30	2.30
2383	NASDAQ	PKOH	Tue, Nov 6, 2001	2.25	2.33	2.19	2.30
2382	NASDAQ	PKOH	Mon, Nov 5, 2001	2.30	2.30	2.12	2.19
2381	NASDAQ	PKOH	Fri, Nov 2, 2001	2.25	2.30	2.25	2.25
2380	NASDAQ	PKOH	Thu, Nov 1, 2001	2.33	2.35	2.20	2.32
2379	NASDAQ	PKOH	Wed, Oct 31, 2001	2.30	2.30	2.25	2.25
2378	NASDAQ	PKOH	Tue, Oct 30, 2001	2.50	2.50	2.26	2.34
2377	NASDAQ	PKOH	Mon, Oct 29, 2001	2.23	2.50	1.65	2.40
2376	NASDAQ	PKOH	Fri, Oct 26, 2001	2.40	2.40	2.30	2.30
2375	NASDAQ	PKOH	Thu, Oct 25, 2001	2.35	2.40	2.25	2.40
2374	NASDAQ	PKOH	Wed, Oct 24, 2001	2.39	2.45	2.30	2.31
2373	NASDAQ	PKOH	Tue, Oct 23, 2001	2.50	2.55	2.40	2.50
2372	NASDAQ	PKOH	Mon, Oct 22, 2001	2.68	2.89	2.50	2.50
2371	NASDAQ	PKOH	Fri, Oct 19, 2001	2.47	2.61	2.38	2.38
2370	NASDAQ	PKOH	Thu, Oct 18, 2001	2.67	2.75	2.42	2.42
2369	NASDAQ	PKOH	Wed, Oct 17, 2001	2.95	2.95	2.95	2.95
2368	NASDAQ	PKOH	Tue, Oct 16, 2001	3.04	3.04	2.60	2.67
2367	NASDAQ	PKOH	Mon, Oct 15, 2001	2.68	2.85	2.53	2.60
2366	NASDAQ	PKOH	Fri, Oct 12, 2001	2.60	2.93	2.50	2.93
2365	NASDAQ	PKOH	Thu, Oct 11, 2001	2.60	2.70	2.32	2.70
2364	NASDAQ	PKOH	Wed, Oct 10, 2001	2.80	2.90	2.55	2.55
2363	NASDAQ	PKOH	Tue, Oct 9, 2001	3.00	3.00	2.75	2.75
2362	NASDAQ	PKOH	Mon, Oct 8, 2001	2.98	3.07	2.75	2.75
2361	NASDAQ	PKOH	Fri, Oct 5, 2001	3.02	3.02	3.00	3.00
2360	NASDAQ	PKOH	Thu, Oct 4, 2001	3.00	3.00	3.00	3.00
2359	NASDAQ	PKOH	Wed, Oct 3, 2001	3.20	3.20	3.10	3.15
2358	NASDAQ	PKOH	Tue, Oct 2, 2001	3.05	3.06	3.00	3.00
2357	NASDAQ	PKOH	Mon, Oct 1, 2001	3.05	3.22	3.00	3.00
2356	NASDAQ	PKOH	Fri, Sep 28, 2001	2.99	3.23	2.99	3.05
2355	NASDAQ	PKOH	Thu, Sep 27, 2001	3.21	3.38	3.00	3.01
2354	NASDAQ	PKOH	Wed, Sep 26, 2001	3.50	3.50	3.15	3.16
2353	NASDAQ	PKOH	Tue, Sep 25, 2001	3.40	3.45	3.40	3.45
2352	NASDAQ	PKOH	Mon, Sep 24, 2001	3.45	3.45	3.00	3.45
2351	NASDAQ	PKOH	Fri, Sep 21, 2001	3.40	3.45	3.30	3.45
2350	NASDAQ	PKOH	Thu, Sep 20, 2001	3.45	3.45	3.36	3.42
2349	NASDAQ	PKOH	Wed, Sep 19, 2001	3.60	3.60	3.56	3.59
2348	NASDAQ	PKOH	Tue, Sep 18, 2001	3.75	3.75	3.35	3.74
2347	NASDAQ	PKOH	Mon, Sep 17, 2001	3.69	4.69	3.25	3.50
2346	NASDAQ	PKOH	Mon, Sep 10, 2001	4.00	4.12	4.00	4.12
2345	NASDAQ	PKOH	Fri, Sep 7, 2001	3.87	4.13	3.87	4.13
2344	NASDAQ	PKOH	Thu, Sep 6, 2001	4.00	4.17	3.88	4.00
2343	NASDAQ	PKOH	Wed, Sep 5, 2001	4.05	4.05	3.87	3.88
2342	NASDAQ	PKOH	Tue, Sep 4, 2001	4.00	4.15	4.00	4.05
2341	NASDAQ	PKOH	Fri, Aug 31, 2001	4.07	4.07	3.83	3.95
2340	NASDAQ	PKOH	Thu, Aug 30, 2001	3.90	3.95	3.83	3.95
2339	NASDAQ	PKOH	Wed, Aug 29, 2001	4.04	4.04	3.86	3.90
2338	NASDAQ	PKOH	Tue, Aug 28, 2001	4.00	4.05	3.80	3.82
2337	NASDAQ	PKOH	Mon, Aug 27, 2001	4.15	4.15	3.91	4.00
2336	NASDAQ	PKOH	Fri, Aug 24, 2001	4.15	4.15	4.15	4.15
2335	NASDAQ	PKOH	Thu, Aug 23, 2001	3.64	3.97	3.64	3.97
2334	NASDAQ	PKOH	Wed, Aug 22, 2001	3.65	4.00	3.62	3.63
2333	NASDAQ	PKOH	Tue, Aug 21, 2001	3.91	3.91	3.65	3.65
2332	NASDAQ	PKOH	Mon, Aug 20, 2001	4.04	4.05	4.03	4.05
2331	NASDAQ	PKOH	Fri, Aug 17, 2001	4.00	4.15	3.86	4.15
2330	NASDAQ	PKOH	Thu, Aug 16, 2001	3.96	4.15	3.91	4.02
2329	NASDAQ	PKOH	Wed, Aug 15, 2001	4.44	4.44	4.00	4.15
2328	NASDAQ	PKOH	Tue, Aug 14, 2001	4.51	4.51	4.24	4.45
2327	NASDAQ	PKOH	Mon, Aug 13, 2001	4.79	4.84	4.60	4.60
2326	NASDAQ	PKOH	Fri, Aug 10, 2001	4.90	4.90	4.56	4.60
2325	NASDAQ	PKOH	Thu, Aug 9, 2001	4.90	4.93	4.71	4.93
2324	NASDAQ	PKOH	Wed, Aug 8, 2001	4.77	4.95	4.77	4.77
2323	NASDAQ	PKOH	Tue, Aug 7, 2001	4.95	5.14	4.95	5.00
2322	NASDAQ	PKOH	Mon, Aug 6, 2001	5.45	5.50	4.90	4.90
2321	NASDAQ	PKOH	Fri, Aug 3, 2001	5.25	5.25	5.25	5.25
2320	NASDAQ	PKOH	Thu, Aug 2, 2001	5.25	5.25	4.95	5.05
2319	NASDAQ	PKOH	Wed, Aug 1, 2001	5.05	5.05	4.95	5.00
2318	NASDAQ	PKOH	Tue, Jul 31, 2001	4.84	5.00	4.84	4.95
2317	NASDAQ	PKOH	Mon, Jul 30, 2001	4.84	4.84	4.84	4.84
2316	NASDAQ	PKOH	Fri, Jul 27, 2001	4.65	4.80	4.65	4.70
2315	NASDAQ	PKOH	Thu, Jul 26, 2001	4.52	4.65	4.52	4.65
2314	NASDAQ	PKOH	Wed, Jul 25, 2001	4.60	4.60	4.55	4.55
2313	NASDAQ	PKOH	Tue, Jul 24, 2001	4.60	4.60	4.60	4.60
2312	NASDAQ	PKOH	Mon, Jul 23, 2001	4.65	4.85	4.65	4.85
2311	NASDAQ	PKOH	Fri, Jul 20, 2001	4.60	4.74	4.60	4.74
2310	NASDAQ	PKOH	Thu, Jul 19, 2001	4.85	4.85	4.52	4.70
2309	NASDAQ	PKOH	Wed, Jul 18, 2001	4.85	4.85	4.84	4.85
2308	NASDAQ	PKOH	Tue, Jul 17, 2001	4.75	4.85	4.75	4.85
2307	NASDAQ	PKOH	Mon, Jul 16, 2001	4.95	4.95	4.85	4.85
2306	NASDAQ	PKOH	Fri, Jul 13, 2001	4.40	5.09	4.40	4.65
2305	NASDAQ	PKOH	Thu, Jul 12, 2001	4.60	5.00	4.60	4.98
2304	NASDAQ	PKOH	Wed, Jul 11, 2001	4.80	5.15	4.80	5.00
2303	NASDAQ	PKOH	Tue, Jul 10, 2001	4.80	4.98	4.80	4.98
2302	NASDAQ	PKOH	Mon, Jul 9, 2001	4.57	4.80	4.57	4.76
2301	NASDAQ	PKOH	Fri, Jul 6, 2001	4.80	4.99	4.56	4.99
2300	NASDAQ	PKOH	Thu, Jul 5, 2001	5.11	5.15	4.87	4.87
2299	NASDAQ	PKOH	Tue, Jul 3, 2001	5.15	5.15	5.11	5.11
2298	NASDAQ	PKOH	Mon, Jul 2, 2001	4.53	5.54	4.53	5.11
2297	NASDAQ	PKOH	Fri, Jun 29, 2001	4.79	4.80	4.73	4.80
2296	NASDAQ	PKOH	Thu, Jun 28, 2001	4.60	4.83	4.55	4.57
2295	NASDAQ	PKOH	Wed, Jun 27, 2001	4.74	4.75	4.40	4.75
2294	NASDAQ	PKOH	Mon, Jun 25, 2001	4.92	4.92	4.90	4.90
2293	NASDAQ	PKOH	Fri, Jun 22, 2001	5.00	5.00	4.75	4.90
2292	NASDAQ	PKOH	Thu, Jun 21, 2001	4.80	5.00	4.80	5.00
2291	NASDAQ	PKOH	Wed, Jun 20, 2001	4.70	4.85	4.70	4.82
2290	NASDAQ	PKOH	Tue, Jun 19, 2001	4.70	4.97	4.70	4.80
2289	NASDAQ	PKOH	Mon, Jun 18, 2001	4.79	4.86	4.75	4.79
2288	NASDAQ	PKOH	Fri, Jun 15, 2001	4.82	4.95	4.70	4.80
2287	NASDAQ	PKOH	Thu, Jun 14, 2001	4.80	4.85	4.65	4.65
2286	NASDAQ	PKOH	Wed, Jun 13, 2001	4.80	4.80	4.80	4.80
2285	NASDAQ	PKOH	Tue, Jun 12, 2001	4.95	4.95	4.95	4.95
2284	NASDAQ	PKOH	Mon, Jun 11, 2001	5.05	5.05	4.86	4.95
2283	NASDAQ	PKOH	Fri, Jun 8, 2001	5.00	5.05	4.61	5.00
2282	NASDAQ	PKOH	Thu, Jun 7, 2001	4.90	4.90	4.83	4.86
2281	NASDAQ	PKOH	Wed, Jun 6, 2001	5.30	5.30	4.79	4.80
2280	NASDAQ	PKOH	Tue, Jun 5, 2001	4.90	4.91	4.81	4.90
2279	NASDAQ	PKOH	Mon, Jun 4, 2001	4.95	5.00	4.85	4.86
2278	NASDAQ	PKOH	Fri, Jun 1, 2001	4.90	4.90	4.85	4.85
2277	NASDAQ	PKOH	Thu, May 31, 2001	4.91	4.93	4.82	4.90
2276	NASDAQ	PKOH	Wed, May 30, 2001	5.02	5.03	4.85	4.95
2275	NASDAQ	PKOH	Tue, May 29, 2001	5.24	5.25	5.00	5.00
2274	NASDAQ	PKOH	Fri, May 25, 2001	5.05	5.30	5.05	5.10
2273	NASDAQ	PKOH	Thu, May 24, 2001	5.10	5.10	4.97	5.05
2272	NASDAQ	PKOH	Wed, May 23, 2001	5.06	5.06	5.05	5.06
2271	NASDAQ	PKOH	Tue, May 22, 2001	5.44	5.45	5.20	5.34
2270	NASDAQ	PKOH	Mon, May 21, 2001	5.00	5.02	4.85	5.00
2269	NASDAQ	PKOH	Fri, May 18, 2001	5.15	5.15	4.53	5.00
2268	NASDAQ	PKOH	Thu, May 17, 2001	5.10	5.25	4.85	4.95
2267	NASDAQ	PKOH	Wed, May 16, 2001	5.09	5.60	5.00	5.24
2266	NASDAQ	PKOH	Tue, May 15, 2001	5.11	5.11	4.80	4.90
2265	NASDAQ	PKOH	Mon, May 14, 2001	4.55	5.00	4.50	4.70
2264	NASDAQ	PKOH	Fri, May 11, 2001	4.95	4.95	4.50	4.51
2263	NASDAQ	PKOH	Thu, May 10, 2001	5.00	5.10	4.95	5.00
2262	NASDAQ	PKOH	Wed, May 9, 2001	5.10	5.10	4.80	5.00
2261	NASDAQ	PKOH	Tue, May 8, 2001	5.46	5.50	4.80	5.10
2260	NASDAQ	PKOH	Mon, May 7, 2001	5.25	5.57	5.25	5.46
2259	NASDAQ	PKOH	Fri, May 4, 2001	5.12	5.45	5.12	5.25
2258	NASDAQ	PKOH	Thu, May 3, 2001	5.12	5.36	5.12	5.36
2257	NASDAQ	PKOH	Wed, May 2, 2001	5.20	5.23	5.20	5.20
2256	NASDAQ	PKOH	Tue, May 1, 2001	5.27	5.38	5.25	5.27
2255	NASDAQ	PKOH	Mon, Apr 30, 2001	5.35	5.35	5.35	5.35
2254	NASDAQ	PKOH	Fri, Apr 27, 2001	5.27	5.40	5.27	5.40
2253	NASDAQ	PKOH	Thu, Apr 26, 2001	5.25	5.25	5.25	5.25
2252	NASDAQ	PKOH	Wed, Apr 25, 2001	5.25	5.25	5.19	5.19
2251	NASDAQ	PKOH	Tue, Apr 24, 2001	5.37	5.37	5.32	5.32
2250	NASDAQ	PKOH	Mon, Apr 23, 2001	5.45	5.65	5.35	5.50
2249	NASDAQ	PKOH	Fri, Apr 20, 2001	5.39	5.45	5.37	5.45
2248	NASDAQ	PKOH	Thu, Apr 19, 2001	5.25	5.25	5.25	5.25
2247	NASDAQ	PKOH	Wed, Apr 18, 2001	5.25	5.35	5.25	5.35
2246	NASDAQ	PKOH	Tue, Apr 17, 2001	5.25	5.39	5.25	5.26
2245	NASDAQ	PKOH	Mon, Apr 16, 2001	5.13	5.39	5.13	5.25
2244	NASDAQ	PKOH	Thu, Apr 12, 2001	5.39	5.39	5.25	5.25
2243	NASDAQ	PKOH	Wed, Apr 11, 2001	5.12	5.47	5.12	5.47
2242	NASDAQ	PKOH	Tue, Apr 10, 2001	4.70	5.12	4.55	5.12
2241	NASDAQ	PKOH	Mon, Apr 9, 2001	4.70	4.70	4.70	4.70
2240	NASDAQ	PKOH	Fri, Apr 6, 2001	4.88	4.88	4.88	4.88
2239	NASDAQ	PKOH	Thu, Apr 5, 2001	4.75	4.75	4.75	4.75
2238	NASDAQ	PKOH	Wed, Apr 4, 2001	5.00	5.00	4.56	4.75
2237	NASDAQ	PKOH	Tue, Apr 3, 2001	4.66	5.00	4.56	4.63
2236	NASDAQ	PKOH	Mon, Apr 2, 2001	4.67	4.67	4.66	4.66
2235	NASDAQ	PKOH	Fri, Mar 30, 2001	4.63	4.63	4.63	4.63
2234	NASDAQ	PKOH	Thu, Mar 29, 2001	4.63	4.75	4.63	4.75
2233	NASDAQ	PKOH	Wed, Mar 28, 2001	4.63	4.75	4.63	4.75
2232	NASDAQ	PKOH	Tue, Mar 27, 2001	4.63	4.63	4.63	4.63
2231	NASDAQ	PKOH	Mon, Mar 26, 2001	4.63	5.00	4.63	5.00
2230	NASDAQ	PKOH	Fri, Mar 23, 2001	4.69	4.75	4.63	4.63
2229	NASDAQ	PKOH	Thu, Mar 22, 2001	4.75	4.75	4.63	4.69
2228	NASDAQ	PKOH	Wed, Mar 21, 2001	4.88	4.94	4.88	4.88
2227	NASDAQ	PKOH	Tue, Mar 20, 2001	4.63	5.13	4.63	4.94
2226	NASDAQ	PKOH	Mon, Mar 19, 2001	4.50	4.75	4.50	4.75
2225	NASDAQ	PKOH	Fri, Mar 16, 2001	4.80	5.00	4.38	5.00
2224	NASDAQ	PKOH	Thu, Mar 15, 2001	5.00	5.00	4.63	4.63
2223	NASDAQ	PKOH	Wed, Mar 14, 2001	5.13	5.13	4.81	4.81
2222	NASDAQ	PKOH	Tue, Mar 13, 2001	5.25	5.63	5.13	5.13
2221	NASDAQ	PKOH	Mon, Mar 12, 2001	5.38	5.38	5.25	5.25
2220	NASDAQ	PKOH	Fri, Mar 9, 2001	5.88	5.88	5.44	5.44
2219	NASDAQ	PKOH	Thu, Mar 8, 2001	6.19	6.19	5.56	5.56
2218	NASDAQ	PKOH	Wed, Mar 7, 2001	5.75	5.75	5.63	5.63
2217	NASDAQ	PKOH	Tue, Mar 6, 2001	5.25	5.50	5.06	5.38
2216	NASDAQ	PKOH	Mon, Mar 5, 2001	5.63	5.66	5.47	5.47
2215	NASDAQ	PKOH	Fri, Mar 2, 2001	5.19	5.44	5.19	5.44
2214	NASDAQ	PKOH	Thu, Mar 1, 2001	5.50	5.50	5.25	5.50
2213	NASDAQ	PKOH	Wed, Feb 28, 2001	6.00	6.00	5.50	5.50
2212	NASDAQ	PKOH	Tue, Feb 27, 2001	5.75	6.25	5.75	6.25
2211	NASDAQ	PKOH	Mon, Feb 26, 2001	5.69	5.97	5.69	5.97
2210	NASDAQ	PKOH	Fri, Feb 23, 2001	5.44	5.63	5.44	5.50
2209	NASDAQ	PKOH	Thu, Feb 22, 2001	5.63	5.75	5.50	5.50
2208	NASDAQ	PKOH	Wed, Feb 21, 2001	5.63	5.63	5.19	5.19
2207	NASDAQ	PKOH	Tue, Feb 20, 2001	5.38	6.00	5.13	5.50
2206	NASDAQ	PKOH	Fri, Feb 16, 2001	5.25	5.38	5.19	5.19
2205	NASDAQ	PKOH	Thu, Feb 15, 2001	6.00	6.00	5.00	5.88
2204	NASDAQ	PKOH	Wed, Feb 14, 2001	6.00	6.06	5.56	6.06
2203	NASDAQ	PKOH	Tue, Feb 13, 2001	5.63	5.81	5.56	5.63
2202	NASDAQ	PKOH	Mon, Feb 12, 2001	4.88	5.63	4.50	5.50
2201	NASDAQ	PKOH	Fri, Feb 9, 2001	5.84	5.88	5.75	5.75
2200	NASDAQ	PKOH	Thu, Feb 8, 2001	6.00	6.38	5.75	5.75
2199	NASDAQ	PKOH	Wed, Feb 7, 2001	4.00	6.19	4.00	5.88
2198	NASDAQ	PKOH	Tue, Feb 6, 2001	6.00	6.75	5.88	6.69
2197	NASDAQ	PKOH	Mon, Feb 5, 2001	6.50	6.50	5.88	6.13
2196	NASDAQ	PKOH	Fri, Feb 2, 2001	6.38	6.88	6.00	6.50
2195	NASDAQ	PKOH	Thu, Feb 1, 2001	6.75	6.75	6.06	6.06
2194	NASDAQ	PKOH	Wed, Jan 31, 2001	5.75	6.88	5.75	6.06
2193	NASDAQ	PKOH	Tue, Jan 30, 2001	5.88	6.36	5.75	5.75
2192	NASDAQ	PKOH	Mon, Jan 29, 2001	5.63	6.13	5.63	5.88
2191	NASDAQ	PKOH	Fri, Jan 26, 2001	5.64	6.00	5.63	6.00
2190	NASDAQ	PKOH	Thu, Jan 25, 2001	5.94	6.13	5.75	6.13
2189	NASDAQ	PKOH	Wed, Jan 24, 2001	6.00	6.06	5.75	5.75
2188	NASDAQ	PKOH	Tue, Jan 23, 2001	6.25	6.25	6.00	6.25
2187	NASDAQ	PKOH	Mon, Jan 22, 2001	6.25	6.63	6.25	6.50
2186	NASDAQ	PKOH	Fri, Jan 19, 2001	5.97	6.50	5.97	6.38
2185	NASDAQ	PKOH	Thu, Jan 18, 2001	5.88	6.06	5.88	6.06
2184	NASDAQ	PKOH	Wed, Jan 17, 2001	5.47	5.81	5.38	5.81
2183	NASDAQ	PKOH	Tue, Jan 16, 2001	5.50	5.63	5.19	5.50
2182	NASDAQ	PKOH	Fri, Jan 12, 2001	5.47	5.61	5.44	5.50
2181	NASDAQ	PKOH	Thu, Jan 11, 2001	5.00	5.63	5.00	5.63
2180	NASDAQ	PKOH	Wed, Jan 10, 2001	4.66	5.00	4.13	4.91
2179	NASDAQ	PKOH	Tue, Jan 9, 2001	4.41	4.56	4.28	4.56
2178	NASDAQ	PKOH	Mon, Jan 8, 2001	4.88	4.88	4.00	4.06
2177	NASDAQ	PKOH	Fri, Jan 5, 2001	5.50	5.50	5.00	5.00
2176	NASDAQ	PKOH	Thu, Jan 4, 2001	5.06	6.00	5.00	5.25
2175	NASDAQ	PKOH	Tue, Jan 2, 2001	4.88	6.50	3.63	5.19
2174	NASDAQ	PKOH	Fri, Dec 29, 2000	4.50	6.50	4.50	4.88
2173	NASDAQ	PKOH	Thu, Dec 28, 2000	4.69	5.00	4.50	5.00
2172	NASDAQ	PKOH	Wed, Dec 27, 2000	4.00	5.13	4.00	5.00
2171	NASDAQ	PKOH	Tue, Dec 26, 2000	3.88	4.25	3.88	4.13
2170	NASDAQ	PKOH	Fri, Dec 22, 2000	4.56	4.63	3.75	3.88
2169	NASDAQ	PKOH	Thu, Dec 21, 2000	4.63	4.75	4.50	4.75
2168	NASDAQ	PKOH	Wed, Dec 20, 2000	4.53	5.11	4.25	4.75
2167	NASDAQ	PKOH	Tue, Dec 19, 2000	4.50	4.75	4.44	4.50
2166	NASDAQ	PKOH	Mon, Dec 18, 2000	4.75	5.00	4.38	4.38
2165	NASDAQ	PKOH	Fri, Dec 15, 2000	4.97	5.06	4.75	4.81
2164	NASDAQ	PKOH	Thu, Dec 14, 2000	4.25	5.38	4.25	5.00
2163	NASDAQ	PKOH	Wed, Dec 13, 2000	4.25	4.75	4.25	4.50
2162	NASDAQ	PKOH	Tue, Dec 12, 2000	4.25	4.50	4.00	4.50
2161	NASDAQ	PKOH	Mon, Dec 11, 2000	4.38	4.38	4.00	4.25
2160	NASDAQ	PKOH	Fri, Dec 8, 2000	4.25	4.44	4.25	4.25
2159	NASDAQ	PKOH	Thu, Dec 7, 2000	4.38	4.38	3.63	4.31
2158	NASDAQ	PKOH	Wed, Dec 6, 2000	4.50	4.50	4.38	4.50
2157	NASDAQ	PKOH	Tue, Dec 5, 2000	4.81	4.81	4.38	4.56
2156	NASDAQ	PKOH	Mon, Dec 4, 2000	5.00	5.06	4.63	5.00
2155	NASDAQ	PKOH	Fri, Dec 1, 2000	4.88	5.23	3.88	5.06
2154	NASDAQ	PKOH	Thu, Nov 30, 2000	5.50	5.50	4.84	5.13
2153	NASDAQ	PKOH	Wed, Nov 29, 2000	5.75	6.13	5.13	5.66
2152	NASDAQ	PKOH	Tue, Nov 28, 2000	6.31	6.31	5.69	5.88
2151	NASDAQ	PKOH	Mon, Nov 27, 2000	6.31	6.38	6.25	6.38
2150	NASDAQ	PKOH	Fri, Nov 24, 2000	6.25	6.25	6.25	6.25
2149	NASDAQ	PKOH	Wed, Nov 22, 2000	6.63	6.63	6.25	6.25
2148	NASDAQ	PKOH	Tue, Nov 21, 2000	6.75	6.88	6.75	6.75
2147	NASDAQ	PKOH	Mon, Nov 20, 2000	6.75	6.75	6.75	6.75
2146	NASDAQ	PKOH	Thu, Nov 16, 2000	6.19	6.94	6.19	6.50
2145	NASDAQ	PKOH	Wed, Nov 15, 2000	6.25	6.25	6.00	6.06
2144	NASDAQ	PKOH	Tue, Nov 14, 2000	6.25	6.50	6.00	6.00
2143	NASDAQ	PKOH	Mon, Nov 13, 2000	6.13	6.25	6.06	6.19
2142	NASDAQ	PKOH	Fri, Nov 10, 2000	6.25	6.31	6.13	6.25
2141	NASDAQ	PKOH	Thu, Nov 9, 2000	7.00	7.00	6.13	6.38
2140	NASDAQ	PKOH	Tue, Nov 7, 2000	7.00	7.00	6.88	7.00
2139	NASDAQ	PKOH	Mon, Nov 6, 2000	6.88	7.00	6.88	7.00
2138	NASDAQ	PKOH	Fri, Nov 3, 2000	7.00	7.00	6.88	7.00
2137	NASDAQ	PKOH	Thu, Nov 2, 2000	7.13	7.31	7.13	7.31
2136	NASDAQ	PKOH	Wed, Nov 1, 2000	6.88	7.19	6.75	7.19
2135	NASDAQ	PKOH	Tue, Oct 31, 2000	6.31	6.88	6.16	6.88
2134	NASDAQ	PKOH	Mon, Oct 30, 2000	6.13	6.31	6.00	6.31
2133	NASDAQ	PKOH	Fri, Oct 27, 2000	6.50	6.50	6.06	6.06
2132	NASDAQ	PKOH	Thu, Oct 26, 2000	6.63	6.63	6.19	6.19
2131	NASDAQ	PKOH	Wed, Oct 25, 2000	6.75	6.75	6.25	6.75
2130	NASDAQ	PKOH	Tue, Oct 24, 2000	6.38	6.63	6.27	6.63
2129	NASDAQ	PKOH	Mon, Oct 23, 2000	6.63	6.69	6.63	6.69
2128	NASDAQ	PKOH	Fri, Oct 20, 2000	7.00	7.00	6.38	6.63
2127	NASDAQ	PKOH	Thu, Oct 19, 2000	8.13	8.13	6.25	6.50
2126	NASDAQ	PKOH	Wed, Oct 18, 2000	7.75	8.13	7.50	7.56
2125	NASDAQ	PKOH	Tue, Oct 17, 2000	7.69	8.00	7.69	8.00
2124	NASDAQ	PKOH	Mon, Oct 16, 2000	7.88	8.31	7.88	8.13
2123	NASDAQ	PKOH	Fri, Oct 13, 2000	7.38	8.75	7.09	7.64
2122	NASDAQ	PKOH	Thu, Oct 12, 2000	7.44	7.44	6.88	6.88
2121	NASDAQ	PKOH	Wed, Oct 11, 2000	7.38	7.44	6.97	7.06
2120	NASDAQ	PKOH	Tue, Oct 10, 2000	6.75	7.25	6.75	7.25
2119	NASDAQ	PKOH	Mon, Oct 9, 2000	6.69	7.03	6.63	7.00
2118	NASDAQ	PKOH	Fri, Oct 6, 2000	7.13	7.38	6.75	7.38
2117	NASDAQ	PKOH	Thu, Oct 5, 2000	7.13	7.38	6.88	7.38
2116	NASDAQ	PKOH	Wed, Oct 4, 2000	7.19	7.19	6.88	7.13
2115	NASDAQ	PKOH	Tue, Oct 3, 2000	7.38	7.38	7.19	7.25
2114	NASDAQ	PKOH	Mon, Oct 2, 2000	7.75	7.75	7.13	7.50
2113	NASDAQ	PKOH	Fri, Sep 29, 2000	7.88	7.88	7.75	7.88
2112	NASDAQ	PKOH	Thu, Sep 28, 2000	8.00	8.00	7.88	7.94
2111	NASDAQ	PKOH	Wed, Sep 27, 2000	7.75	8.25	7.75	8.25
2110	NASDAQ	PKOH	Tue, Sep 26, 2000	8.25	8.25	7.88	7.88
2109	NASDAQ	PKOH	Mon, Sep 25, 2000	8.00	8.38	8.00	8.25
2108	NASDAQ	PKOH	Fri, Sep 22, 2000	7.63	8.00	7.63	7.69
2107	NASDAQ	PKOH	Thu, Sep 21, 2000	7.81	8.19	7.38	7.38
2106	NASDAQ	PKOH	Wed, Sep 20, 2000	8.06	8.13	7.38	8.13
2105	NASDAQ	PKOH	Tue, Sep 19, 2000	8.19	8.38	8.03	8.38
2104	NASDAQ	PKOH	Mon, Sep 18, 2000	8.00	8.11	7.75	7.88
2103	NASDAQ	PKOH	Fri, Sep 15, 2000	8.13	8.38	8.13	8.19
2102	NASDAQ	PKOH	Thu, Sep 14, 2000	8.00	8.25	7.81	8.25
2101	NASDAQ	PKOH	Wed, Sep 13, 2000	8.25	8.63	7.75	8.00
2100	NASDAQ	PKOH	Tue, Sep 12, 2000	8.88	8.88	7.94	8.25
2099	NASDAQ	PKOH	Mon, Sep 11, 2000	9.00	9.00	8.75	8.88
2098	NASDAQ	PKOH	Fri, Sep 8, 2000	8.88	9.25	8.38	9.06
2097	NASDAQ	PKOH	Thu, Sep 7, 2000	9.88	10.00	9.75	10.00
2096	NASDAQ	PKOH	Wed, Sep 6, 2000	10.50	10.50	10.00	10.13
2095	NASDAQ	PKOH	Tue, Sep 5, 2000	10.25	10.38	9.69	10.38
2094	NASDAQ	PKOH	Fri, Sep 1, 2000	9.88	10.25	9.63	10.25
2093	NASDAQ	PKOH	Thu, Aug 31, 2000	9.38	10.31	9.38	10.31
2092	NASDAQ	PKOH	Wed, Aug 30, 2000	9.25	9.63	9.25	9.31
2091	NASDAQ	PKOH	Tue, Aug 29, 2000	9.00	9.38	9.00	9.38
2090	NASDAQ	PKOH	Mon, Aug 28, 2000	9.13	9.13	9.00	9.00
2089	NASDAQ	PKOH	Fri, Aug 25, 2000	9.50	9.75	9.13	9.13
2088	NASDAQ	PKOH	Thu, Aug 24, 2000	9.25	9.50	9.00	9.50
2087	NASDAQ	PKOH	Wed, Aug 23, 2000	9.50	9.50	9.00	9.25
2086	NASDAQ	PKOH	Tue, Aug 22, 2000	9.75	9.75	9.13	9.50
2085	NASDAQ	PKOH	Mon, Aug 21, 2000	9.75	9.75	9.25	9.38
2084	NASDAQ	PKOH	Fri, Aug 18, 2000	9.63	9.75	9.13	9.75
2083	NASDAQ	PKOH	Thu, Aug 17, 2000	9.06	9.56	9.06	9.38
2082	NASDAQ	PKOH	Wed, Aug 16, 2000	9.13	9.13	8.88	9.00
2081	NASDAQ	PKOH	Tue, Aug 15, 2000	9.13	9.13	8.88	9.13
2080	NASDAQ	PKOH	Mon, Aug 14, 2000	9.25	9.25	9.00	9.00
2079	NASDAQ	PKOH	Fri, Aug 11, 2000	9.25	9.25	9.00	9.13
2078	NASDAQ	PKOH	Thu, Aug 10, 2000	9.13	9.25	8.94	9.00
2077	NASDAQ	PKOH	Wed, Aug 9, 2000	9.25	9.25	8.88	9.13
2076	NASDAQ	PKOH	Tue, Aug 8, 2000	8.75	9.25	8.75	9.13
2075	NASDAQ	PKOH	Mon, Aug 7, 2000	9.00	9.00	8.75	9.00
2074	NASDAQ	PKOH	Fri, Aug 4, 2000	9.19	10.00	8.75	9.00
2073	NASDAQ	PKOH	Thu, Aug 3, 2000	9.00	9.38	8.75	9.00
2072	NASDAQ	PKOH	Wed, Aug 2, 2000	9.13	9.13	8.63	8.81
2071	NASDAQ	PKOH	Tue, Aug 1, 2000	9.13	9.50	9.00	9.00
2070	NASDAQ	PKOH	Mon, Jul 31, 2000	9.75	9.88	9.00	9.25
2069	NASDAQ	PKOH	Fri, Jul 28, 2000	10.25	10.25	9.50	9.56
2068	NASDAQ	PKOH	Thu, Jul 27, 2000	10.00	10.38	9.63	10.00
2067	NASDAQ	PKOH	Wed, Jul 26, 2000	9.00	9.63	9.00	9.13
2066	NASDAQ	PKOH	Tue, Jul 25, 2000	9.38	9.75	9.25	9.25
2065	NASDAQ	PKOH	Mon, Jul 24, 2000	9.50	9.75	9.38	9.75
2064	NASDAQ	PKOH	Fri, Jul 21, 2000	10.63	10.88	9.25	9.38
2063	NASDAQ	PKOH	Thu, Jul 20, 2000	9.25	9.50	9.00	9.25
2062	NASDAQ	PKOH	Wed, Jul 19, 2000	8.75	9.94	8.50	9.25
2061	NASDAQ	PKOH	Tue, Jul 18, 2000	8.81	9.69	8.75	9.69
2060	NASDAQ	PKOH	Mon, Jul 17, 2000	8.94	9.00	8.38	8.63
2059	NASDAQ	PKOH	Thu, Jul 13, 2000	9.00	9.00	8.38	8.38
2058	NASDAQ	PKOH	Wed, Jul 12, 2000	8.38	8.63	8.38	8.63
2057	NASDAQ	PKOH	Mon, Jul 10, 2000	8.88	8.88	8.75	8.75
2056	NASDAQ	PKOH	Fri, Jul 7, 2000	8.94	9.00	8.81	8.81
2055	NASDAQ	PKOH	Thu, Jul 6, 2000	8.63	8.88	8.63	8.88
2054	NASDAQ	PKOH	Wed, Jul 5, 2000	8.38	8.69	8.38	8.69
2053	NASDAQ	PKOH	Mon, Jul 3, 2000	8.56	8.63	8.56	8.56
2052	NASDAQ	PKOH	Fri, Jun 30, 2000	8.63	8.63	8.63	8.63
2051	NASDAQ	PKOH	Thu, Jun 29, 2000	8.50	8.63	8.38	8.63
2050	NASDAQ	PKOH	Wed, Jun 28, 2000	8.50	8.56	8.38	8.38
2049	NASDAQ	PKOH	Tue, Jun 27, 2000	8.31	8.31	8.25	8.25
2048	NASDAQ	PKOH	Mon, Jun 26, 2000	8.50	8.50	8.38	8.38
2047	NASDAQ	PKOH	Fri, Jun 23, 2000	8.44	8.53	8.38	8.44
2046	NASDAQ	PKOH	Thu, Jun 22, 2000	8.70	8.75	8.44	8.44
2045	NASDAQ	PKOH	Wed, Jun 21, 2000	8.63	8.81	8.63	8.75
2044	NASDAQ	PKOH	Tue, Jun 20, 2000	8.63	8.69	8.38	8.69
2043	NASDAQ	PKOH	Mon, Jun 19, 2000	8.50	8.69	8.50	8.69
2042	NASDAQ	PKOH	Fri, Jun 16, 2000	8.31	8.63	8.31	8.38
2041	NASDAQ	PKOH	Thu, Jun 15, 2000	8.25	8.50	8.25	8.31
2040	NASDAQ	PKOH	Wed, Jun 14, 2000	8.38	8.50	8.38	8.38
2039	NASDAQ	PKOH	Tue, Jun 13, 2000	8.44	8.50	8.38	8.44
2038	NASDAQ	PKOH	Mon, Jun 12, 2000	8.38	8.44	8.25	8.38
2037	NASDAQ	PKOH	Fri, Jun 9, 2000	8.19	8.38	8.13	8.38
2036	NASDAQ	PKOH	Thu, Jun 8, 2000	8.50	8.50	8.13	8.13
2035	NASDAQ	PKOH	Wed, Jun 7, 2000	8.13	8.31	8.13	8.13
2034	NASDAQ	PKOH	Tue, Jun 6, 2000	8.48	8.63	8.25	8.31
2033	NASDAQ	PKOH	Mon, Jun 5, 2000	8.25	8.50	8.25	8.48
2032	NASDAQ	PKOH	Fri, Jun 2, 2000	8.50	8.63	8.44	8.44
2031	NASDAQ	PKOH	Thu, Jun 1, 2000	8.50	8.50	8.50	8.50
2030	NASDAQ	PKOH	Wed, May 31, 2000	8.50	8.63	8.50	8.50
2029	NASDAQ	PKOH	Tue, May 30, 2000	8.13	8.50	8.06	8.50
2028	NASDAQ	PKOH	Fri, May 26, 2000	8.50	8.88	7.94	7.94
2027	NASDAQ	PKOH	Thu, May 25, 2000	8.88	8.88	8.50	8.50
2026	NASDAQ	PKOH	Wed, May 24, 2000	8.94	9.00	8.50	8.50
2025	NASDAQ	PKOH	Tue, May 23, 2000	8.94	8.94	8.94	8.94
2024	NASDAQ	PKOH	Mon, May 22, 2000	9.00	9.00	8.94	8.94
2023	NASDAQ	PKOH	Thu, May 18, 2000	9.11	9.11	8.94	8.94
2022	NASDAQ	PKOH	Wed, May 17, 2000	9.06	9.06	9.00	9.00
2021	NASDAQ	PKOH	Tue, May 16, 2000	8.88	9.06	8.88	9.06
2020	NASDAQ	PKOH	Mon, May 15, 2000	9.06	9.25	8.94	9.00
2019	NASDAQ	PKOH	Fri, May 12, 2000	8.88	8.97	8.88	8.97
2018	NASDAQ	PKOH	Thu, May 11, 2000	9.13	9.13	8.75	9.13
2017	NASDAQ	PKOH	Wed, May 10, 2000	9.13	9.25	9.13	9.13
2016	NASDAQ	PKOH	Tue, May 9, 2000	9.13	9.19	9.13	9.13
2015	NASDAQ	PKOH	Mon, May 8, 2000	9.38	9.44	9.14	9.19
2014	NASDAQ	PKOH	Fri, May 5, 2000	9.13	9.38	9.06	9.25
2013	NASDAQ	PKOH	Thu, May 4, 2000	9.13	9.25	9.13	9.25
2012	NASDAQ	PKOH	Wed, May 3, 2000	9.25	9.25	9.25	9.25
2011	NASDAQ	PKOH	Tue, May 2, 2000	9.00	9.25	9.00	9.06
2010	NASDAQ	PKOH	Mon, May 1, 2000	9.13	9.13	8.94	9.13
2009	NASDAQ	PKOH	Fri, Apr 28, 2000	8.97	9.06	8.94	9.06
2008	NASDAQ	PKOH	Thu, Apr 27, 2000	8.69	9.13	8.56	8.69
2007	NASDAQ	PKOH	Wed, Apr 26, 2000	8.88	9.06	8.63	9.06
2006	NASDAQ	PKOH	Tue, Apr 25, 2000	9.25	9.25	8.63	9.00
2005	NASDAQ	PKOH	Mon, Apr 24, 2000	10.00	10.00	9.06	9.38
2004	NASDAQ	PKOH	Thu, Apr 20, 2000	10.50	10.50	10.00	10.00
2003	NASDAQ	PKOH	Wed, Apr 19, 2000	10.63	10.63	10.02	10.25
2002	NASDAQ	PKOH	Tue, Apr 18, 2000	10.50	10.50	10.38	10.50
2001	NASDAQ	PKOH	Mon, Apr 17, 2000	9.69	10.75	9.69	10.25
2000	NASDAQ	PKOH	Fri, Apr 14, 2000	9.88	9.88	9.56	9.63
1999	NASDAQ	PKOH	Thu, Apr 13, 2000	9.88	10.00	9.88	9.88
1998	NASDAQ	PKOH	Wed, Apr 12, 2000	9.63	10.63	9.44	9.50
1997	NASDAQ	PKOH	Tue, Apr 11, 2000	9.69	9.94	9.50	9.63
1996	NASDAQ	PKOH	Mon, Apr 10, 2000	9.38	9.50	9.38	9.38
1995	NASDAQ	PKOH	Fri, Apr 7, 2000	9.38	9.63	9.38	9.63
1994	NASDAQ	PKOH	Thu, Apr 6, 2000	9.06	9.63	9.06	9.63
1993	NASDAQ	PKOH	Wed, Apr 5, 2000	8.75	9.06	8.50	8.94
1992	NASDAQ	PKOH	Tue, Apr 4, 2000	9.75	9.81	8.25	9.25
1991	NASDAQ	PKOH	Mon, Apr 3, 2000	10.50	10.50	9.75	9.88
1990	NASDAQ	PKOH	Fri, Mar 31, 2000	10.50	10.63	10.50	10.63
1989	NASDAQ	PKOH	Thu, Mar 30, 2000	11.13	11.13	10.50	10.63
1988	NASDAQ	PKOH	Wed, Mar 29, 2000	10.50	10.63	10.38	10.50
1987	NASDAQ	PKOH	Tue, Mar 28, 2000	10.63	10.88	10.50	10.88
1986	NASDAQ	PKOH	Mon, Mar 27, 2000	11.00	11.00	10.31	10.50
1985	NASDAQ	PKOH	Fri, Mar 24, 2000	10.50	11.25	10.50	10.75
1984	NASDAQ	PKOH	Thu, Mar 23, 2000	10.00	10.75	9.75	10.75
1983	NASDAQ	PKOH	Wed, Mar 22, 2000	9.88	10.00	9.75	9.75
1982	NASDAQ	PKOH	Tue, Mar 21, 2000	10.38	10.38	10.00	10.00
1981	NASDAQ	PKOH	Mon, Mar 20, 2000	10.00	10.50	10.00	10.00
1980	NASDAQ	PKOH	Fri, Mar 17, 2000	9.03	9.50	8.73	9.41
1979	NASDAQ	PKOH	Thu, Mar 16, 2000	8.25	9.19	8.25	8.88
1978	NASDAQ	PKOH	Wed, Mar 15, 2000	8.69	8.69	8.25	8.50
1977	NASDAQ	PKOH	Tue, Mar 14, 2000	8.50	8.81	8.50	8.69
1976	NASDAQ	PKOH	Mon, Mar 13, 2000	8.25	8.50	8.25	8.41
1975	NASDAQ	PKOH	Fri, Mar 10, 2000	8.63	8.81	8.25	8.50
1974	NASDAQ	PKOH	Thu, Mar 9, 2000	8.25	8.84	8.13	8.84
1973	NASDAQ	PKOH	Wed, Mar 8, 2000	8.25	8.81	8.19	8.81
1972	NASDAQ	PKOH	Tue, Mar 7, 2000	8.63	8.69	8.00	8.56
1971	NASDAQ	PKOH	Mon, Mar 6, 2000	8.75	8.88	8.63	8.63
1970	NASDAQ	PKOH	Fri, Mar 3, 2000	8.81	8.88	8.63	8.63
1969	NASDAQ	PKOH	Thu, Mar 2, 2000	8.81	8.81	8.63	8.63
1968	NASDAQ	PKOH	Wed, Mar 1, 2000	8.50	8.81	8.50	8.75
1967	NASDAQ	PKOH	Tue, Feb 29, 2000	8.25	8.38	8.13	8.38
1966	NASDAQ	PKOH	Mon, Feb 28, 2000	8.00	8.38	7.88	8.25
1965	NASDAQ	PKOH	Fri, Feb 25, 2000	7.88	8.00	7.88	8.00
1964	NASDAQ	PKOH	Thu, Feb 24, 2000	7.94	8.13	7.75	7.75
1963	NASDAQ	PKOH	Wed, Feb 23, 2000	8.00	8.50	8.00	8.00
1962	NASDAQ	PKOH	Tue, Feb 22, 2000	8.13	8.13	7.06	7.63
1961	NASDAQ	PKOH	Fri, Feb 18, 2000	8.13	8.13	7.00	7.50
1960	NASDAQ	PKOH	Thu, Feb 17, 2000	8.13	8.25	7.88	8.00
1959	NASDAQ	PKOH	Wed, Feb 16, 2000	7.13	8.19	7.13	8.13
1958	NASDAQ	PKOH	Tue, Feb 15, 2000	7.75	7.88	6.63	7.13
1957	NASDAQ	PKOH	Mon, Feb 14, 2000	8.75	8.75	7.94	7.94
1956	NASDAQ	PKOH	Fri, Feb 11, 2000	8.38	8.50	8.38	8.50
1955	NASDAQ	PKOH	Thu, Feb 10, 2000	8.50	8.75	8.38	8.44
1954	NASDAQ	PKOH	Wed, Feb 9, 2000	8.69	8.75	8.38	8.50
1953	NASDAQ	PKOH	Tue, Feb 8, 2000	8.81	8.94	8.69	8.69
1952	NASDAQ	PKOH	Mon, Feb 7, 2000	9.38	9.38	8.81	8.81
1951	NASDAQ	PKOH	Fri, Feb 4, 2000	9.50	9.50	9.25	9.25
1950	NASDAQ	PKOH	Thu, Feb 3, 2000	9.63	9.63	9.47	9.50
1949	NASDAQ	PKOH	Wed, Feb 2, 2000	9.38	9.63	9.31	9.63
1948	NASDAQ	PKOH	Tue, Feb 1, 2000	9.63	9.88	9.38	9.47
1947	NASDAQ	PKOH	Mon, Jan 31, 2000	9.48	9.50	9.00	9.31
1946	NASDAQ	PKOH	Fri, Jan 28, 2000	8.63	9.25	8.38	9.25
1945	NASDAQ	PKOH	Thu, Jan 27, 2000	9.75	9.75	8.88	9.00
1944	NASDAQ	PKOH	Wed, Jan 26, 2000	9.25	9.81	9.25	9.38
1943	NASDAQ	PKOH	Tue, Jan 25, 2000	9.38	9.63	9.00	9.25
1942	NASDAQ	PKOH	Mon, Jan 24, 2000	10.63	10.75	9.75	9.75
1941	NASDAQ	PKOH	Fri, Jan 21, 2000	9.94	10.25	9.94	10.25
1940	NASDAQ	PKOH	Thu, Jan 20, 2000	10.00	10.25	9.94	10.13
1939	NASDAQ	PKOH	Wed, Jan 19, 2000	10.25	10.25	9.94	10.00
1938	NASDAQ	PKOH	Tue, Jan 18, 2000	10.00	10.00	10.00	10.00
1937	NASDAQ	PKOH	Fri, Jan 14, 2000	9.50	10.38	9.50	9.63
1936	NASDAQ	PKOH	Thu, Jan 13, 2000	9.50	9.69	9.25	9.25
1935	NASDAQ	PKOH	Wed, Jan 12, 2000	9.50	9.88	9.38	9.38
1934	NASDAQ	PKOH	Tue, Jan 11, 2000	9.50	9.88	9.50	9.50
1933	NASDAQ	PKOH	Mon, Jan 10, 2000	10.38	10.88	9.75	9.75
1932	NASDAQ	PKOH	Fri, Jan 7, 2000	10.50	10.75	10.38	10.38
1931	NASDAQ	PKOH	Thu, Jan 6, 2000	9.50	10.50	9.19	10.50
1930	NASDAQ	PKOH	Wed, Jan 5, 2000	9.19	9.38	9.00	9.19
1929	NASDAQ	PKOH	Tue, Jan 4, 2000	9.38	9.50	9.06	9.25
1928	NASDAQ	PKOH	Mon, Jan 3, 2000	9.75	9.75	9.38	9.56
1927	NASDAQ	PKOH	Fri, Dec 31, 1999	10.38	10.38	9.88	9.88
1926	NASDAQ	PKOH	Thu, Dec 30, 1999	10.38	10.47	10.00	10.06
1925	NASDAQ	PKOH	Wed, Dec 29, 1999	11.00	11.00	10.38	10.38
1924	NASDAQ	PKOH	Tue, Dec 28, 1999	10.25	10.63	10.00	10.63
1923	NASDAQ	PKOH	Mon, Dec 27, 1999	11.00	11.38	10.38	10.75
1922	NASDAQ	PKOH	Thu, Dec 23, 1999	9.88	10.88	9.81	10.31
1921	NASDAQ	PKOH	Wed, Dec 22, 1999	9.75	10.06	9.63	10.06
1920	NASDAQ	PKOH	Tue, Dec 21, 1999	9.81	10.25	9.75	9.94
1919	NASDAQ	PKOH	Mon, Dec 20, 1999	9.75	10.25	9.75	10.00
1918	NASDAQ	PKOH	Fri, Dec 17, 1999	9.63	10.13	9.63	10.06
1917	NASDAQ	PKOH	Thu, Dec 16, 1999	9.25	9.75	9.25	9.50
1916	NASDAQ	PKOH	Wed, Dec 15, 1999	9.38	9.75	9.13	9.25
1915	NASDAQ	PKOH	Tue, Dec 14, 1999	9.38	9.81	9.13	9.38
1914	NASDAQ	PKOH	Mon, Dec 13, 1999	9.75	9.75	9.38	9.38
1913	NASDAQ	PKOH	Fri, Dec 10, 1999	10.13	10.50	9.75	9.75
1912	NASDAQ	PKOH	Thu, Dec 9, 1999	10.75	11.50	9.63	10.13
1911	NASDAQ	PKOH	Wed, Dec 8, 1999	11.38	11.50	10.75	11.00
1910	NASDAQ	PKOH	Tue, Dec 7, 1999	11.25	11.50	11.00	11.38
1909	NASDAQ	PKOH	Mon, Dec 6, 1999	11.88	11.88	11.50	11.50
1908	NASDAQ	PKOH	Fri, Dec 3, 1999	11.50	11.63	11.38	11.50
1907	NASDAQ	PKOH	Thu, Dec 2, 1999	11.63	11.63	11.38	11.38
1906	NASDAQ	PKOH	Wed, Dec 1, 1999	11.75	11.81	11.50	11.50
1905	NASDAQ	PKOH	Tue, Nov 30, 1999	12.00	12.00	12.00	12.00
1904	NASDAQ	PKOH	Mon, Nov 29, 1999	12.00	12.00	11.50	11.75
1903	NASDAQ	PKOH	Fri, Nov 26, 1999	12.38	12.38	11.75	11.91
1902	NASDAQ	PKOH	Wed, Nov 24, 1999	12.25	12.25	12.06	12.06
1901	NASDAQ	PKOH	Tue, Nov 23, 1999	11.38	12.00	11.38	12.00
1900	NASDAQ	PKOH	Mon, Nov 22, 1999	11.50	11.88	11.50	11.50
1899	NASDAQ	PKOH	Fri, Nov 19, 1999	11.00	11.50	11.00	11.50
1898	NASDAQ	PKOH	Thu, Nov 18, 1999	11.13	11.13	11.00	11.13
1897	NASDAQ	PKOH	Wed, Nov 17, 1999	11.13	11.13	10.88	11.00
1896	NASDAQ	PKOH	Tue, Nov 16, 1999	11.13	11.13	11.00	11.13
1895	NASDAQ	PKOH	Mon, Nov 15, 1999	10.88	11.13	10.88	11.13
1894	NASDAQ	PKOH	Fri, Nov 12, 1999	10.94	11.06	10.63	10.94
1893	NASDAQ	PKOH	Thu, Nov 11, 1999	10.53	11.38	10.53	10.88
1892	NASDAQ	PKOH	Wed, Nov 10, 1999	10.50	10.63	10.38	10.50
1891	NASDAQ	PKOH	Tue, Nov 9, 1999	10.88	11.00	10.50	10.75
1890	NASDAQ	PKOH	Mon, Nov 8, 1999	10.75	11.38	10.75	11.13
1889	NASDAQ	PKOH	Fri, Nov 5, 1999	10.75	11.00	10.50	11.00
1888	NASDAQ	PKOH	Thu, Nov 4, 1999	10.63	11.50	10.56	11.00
1887	NASDAQ	PKOH	Wed, Nov 3, 1999	10.38	10.63	10.38	10.63
1886	NASDAQ	PKOH	Tue, Nov 2, 1999	11.50	11.50	10.25	10.25
1885	NASDAQ	PKOH	Mon, Nov 1, 1999	10.75	11.63	10.75	11.13
1884	NASDAQ	PKOH	Fri, Oct 29, 1999	9.69	10.50	9.69	10.25
1883	NASDAQ	PKOH	Thu, Oct 28, 1999	9.63	10.13	9.63	9.69
1882	NASDAQ	PKOH	Wed, Oct 27, 1999	9.88	9.88	9.50	9.50
1881	NASDAQ	PKOH	Tue, Oct 26, 1999	10.13	10.13	9.81	9.88
1880	NASDAQ	PKOH	Mon, Oct 25, 1999	9.50	10.25	9.44	9.94
1879	NASDAQ	PKOH	Fri, Oct 22, 1999	10.00	10.06	9.00	9.63
1878	NASDAQ	PKOH	Thu, Oct 21, 1999	10.69	10.69	9.50	9.75
1877	NASDAQ	PKOH	Wed, Oct 20, 1999	10.56	10.56	10.50	10.50
1876	NASDAQ	PKOH	Tue, Oct 19, 1999	10.56	10.75	10.50	10.50
1875	NASDAQ	PKOH	Mon, Oct 18, 1999	10.69	10.81	10.56	10.63
1874	NASDAQ	PKOH	Fri, Oct 15, 1999	10.75	10.81	10.56	10.56
1873	NASDAQ	PKOH	Thu, Oct 14, 1999	10.81	10.88	10.75	10.75
1872	NASDAQ	PKOH	Wed, Oct 13, 1999	10.88	10.88	10.75	10.75
1871	NASDAQ	PKOH	Tue, Oct 12, 1999	11.25	11.25	10.81	10.88
1870	NASDAQ	PKOH	Mon, Oct 11, 1999	11.50	11.50	11.06	11.13
1869	NASDAQ	PKOH	Fri, Oct 8, 1999	11.63	11.69	11.38	11.44
1868	NASDAQ	PKOH	Thu, Oct 7, 1999	11.69	11.69	11.38	11.50
1867	NASDAQ	PKOH	Wed, Oct 6, 1999	11.88	11.88	11.50	11.50
1866	NASDAQ	PKOH	Tue, Oct 5, 1999	11.75	12.00	11.75	11.75
1865	NASDAQ	PKOH	Mon, Oct 4, 1999	12.00	12.00	11.75	11.75
1864	NASDAQ	PKOH	Fri, Oct 1, 1999	12.50	12.50	11.88	11.88
1863	NASDAQ	PKOH	Thu, Sep 30, 1999	13.00	13.00	12.44	12.50
1862	NASDAQ	PKOH	Wed, Sep 29, 1999	13.75	13.75	12.75	12.75
1861	NASDAQ	PKOH	Tue, Sep 28, 1999	14.38	14.50	13.50	13.63
1860	NASDAQ	PKOH	Mon, Sep 27, 1999	14.63	14.63	14.25	14.25
1859	NASDAQ	PKOH	Fri, Sep 24, 1999	14.88	14.88	14.25	14.88
1858	NASDAQ	PKOH	Thu, Sep 23, 1999	14.75	15.25	14.75	14.88
1857	NASDAQ	PKOH	Wed, Sep 22, 1999	14.94	15.25	14.75	15.13
1856	NASDAQ	PKOH	Tue, Sep 21, 1999	15.06	15.50	14.88	14.88
1855	NASDAQ	PKOH	Mon, Sep 20, 1999	15.00	15.63	15.00	15.34
1854	NASDAQ	PKOH	Fri, Sep 17, 1999	15.00	15.25	14.63	15.25
1853	NASDAQ	PKOH	Thu, Sep 16, 1999	15.50	15.75	15.00	15.00
1852	NASDAQ	PKOH	Wed, Sep 15, 1999	15.63	15.75	15.63	15.63
1851	NASDAQ	PKOH	Tue, Sep 14, 1999	15.94	15.94	15.50	15.75
1850	NASDAQ	PKOH	Mon, Sep 13, 1999	15.25	15.75	15.25	15.31
1849	NASDAQ	PKOH	Fri, Sep 10, 1999	16.00	16.00	15.25	15.25
1848	NASDAQ	PKOH	Thu, Sep 9, 1999	15.88	16.00	15.50	15.63
1847	NASDAQ	PKOH	Wed, Sep 8, 1999	15.19	15.75	15.19	15.69
1846	NASDAQ	PKOH	Tue, Sep 7, 1999	14.88	15.56	14.81	15.56
1845	NASDAQ	PKOH	Fri, Sep 3, 1999	15.00	15.31	14.69	14.88
1844	NASDAQ	PKOH	Thu, Sep 2, 1999	15.75	15.75	15.00	15.31
1843	NASDAQ	PKOH	Wed, Sep 1, 1999	15.75	15.75	15.38	15.63
1842	NASDAQ	PKOH	Tue, Aug 31, 1999	15.38	16.00	15.38	15.50
1841	NASDAQ	PKOH	Mon, Aug 30, 1999	16.63	16.63	15.50	15.50
1840	NASDAQ	PKOH	Fri, Aug 27, 1999	16.63	16.63	16.63	16.63
1839	NASDAQ	PKOH	Thu, Aug 26, 1999	16.50	16.63	16.25	16.25
1838	NASDAQ	PKOH	Wed, Aug 25, 1999	16.50	16.75	16.50	16.56
1837	NASDAQ	PKOH	Tue, Aug 24, 1999	16.50	17.25	16.50	16.75
1836	NASDAQ	PKOH	Mon, Aug 23, 1999	16.38	16.75	16.13	16.75
1835	NASDAQ	PKOH	Fri, Aug 20, 1999	16.31	16.50	16.31	16.44
1834	NASDAQ	PKOH	Thu, Aug 19, 1999	16.44	16.50	16.13	16.31
1833	NASDAQ	PKOH	Wed, Aug 18, 1999	16.13	16.75	16.13	16.31
1832	NASDAQ	PKOH	Tue, Aug 17, 1999	16.88	16.88	16.19	16.19
1831	NASDAQ	PKOH	Mon, Aug 16, 1999	16.00	16.50	15.63	16.50
1830	NASDAQ	PKOH	Fri, Aug 13, 1999	16.25	16.25	15.88	15.88
1829	NASDAQ	PKOH	Thu, Aug 12, 1999	16.50	16.50	15.50	15.50
1828	NASDAQ	PKOH	Wed, Aug 11, 1999	16.00	16.50	15.75	16.50
1827	NASDAQ	PKOH	Tue, Aug 10, 1999	16.38	16.75	15.81	15.81
1826	NASDAQ	PKOH	Mon, Aug 9, 1999	16.94	16.94	16.25	16.75
1825	NASDAQ	PKOH	Fri, Aug 6, 1999	16.38	16.94	16.38	16.75
1824	NASDAQ	PKOH	Thu, Aug 5, 1999	16.63	16.75	16.50	16.69
1823	NASDAQ	PKOH	Wed, Aug 4, 1999	16.69	17.00	16.63	16.63
1822	NASDAQ	PKOH	Tue, Aug 3, 1999	17.00	17.00	16.75	16.75
1821	NASDAQ	PKOH	Mon, Aug 2, 1999	16.63	17.00	16.63	16.63
1820	NASDAQ	PKOH	Fri, Jul 30, 1999	17.00	17.00	16.63	16.63
1819	NASDAQ	PKOH	Thu, Jul 29, 1999	16.50	17.00	16.50	16.50
1818	NASDAQ	PKOH	Wed, Jul 28, 1999	17.25	17.25	16.50	16.88
1817	NASDAQ	PKOH	Tue, Jul 27, 1999	16.88	17.19	16.88	17.06
1816	NASDAQ	PKOH	Mon, Jul 26, 1999	17.38	17.38	16.75	16.75
1815	NASDAQ	PKOH	Fri, Jul 23, 1999	17.63	17.63	17.00	17.00
1814	NASDAQ	PKOH	Thu, Jul 22, 1999	17.25	17.56	17.00	17.00
1813	NASDAQ	PKOH	Wed, Jul 21, 1999	17.50	17.75	17.25	17.63
1812	NASDAQ	PKOH	Tue, Jul 20, 1999	17.63	17.63	17.00	17.38
1811	NASDAQ	PKOH	Mon, Jul 19, 1999	17.25	17.75	17.00	17.75
1810	NASDAQ	PKOH	Fri, Jul 16, 1999	16.88	17.25	16.88	17.25
1809	NASDAQ	PKOH	Thu, Jul 15, 1999	16.69	16.88	16.63	16.63
1808	NASDAQ	PKOH	Wed, Jul 14, 1999	16.88	17.00	16.50	16.50
1807	NASDAQ	PKOH	Tue, Jul 13, 1999	16.63	16.88	16.63	16.63
1806	NASDAQ	PKOH	Mon, Jul 12, 1999	17.50	17.50	16.75	16.75
1805	NASDAQ	PKOH	Fri, Jul 9, 1999	17.63	17.63	17.00	17.56
1804	NASDAQ	PKOH	Thu, Jul 8, 1999	17.50	17.88	17.50	17.63
1803	NASDAQ	PKOH	Wed, Jul 7, 1999	18.00	18.00	17.38	17.63
1802	NASDAQ	PKOH	Tue, Jul 6, 1999	17.50	18.50	17.25	17.38
1801	NASDAQ	PKOH	Fri, Jul 2, 1999	16.94	17.50	16.88	17.38
1800	NASDAQ	PKOH	Thu, Jul 1, 1999	16.94	17.00	16.88	16.94
1799	NASDAQ	PKOH	Wed, Jun 30, 1999	17.00	17.25	16.75	16.94
1798	NASDAQ	PKOH	Tue, Jun 29, 1999	16.75	17.00	16.75	16.81
1797	NASDAQ	PKOH	Mon, Jun 28, 1999	17.13	17.13	16.75	16.75
1796	NASDAQ	PKOH	Fri, Jun 25, 1999	16.88	17.25	16.81	17.13
1795	NASDAQ	PKOH	Thu, Jun 24, 1999	16.88	16.88	16.50	16.63
1794	NASDAQ	PKOH	Wed, Jun 23, 1999	16.50	16.75	16.38	16.50
1793	NASDAQ	PKOH	Tue, Jun 22, 1999	15.81	16.94	15.78	16.50
1792	NASDAQ	PKOH	Mon, Jun 21, 1999	15.63	16.31	15.63	15.88
1791	NASDAQ	PKOH	Fri, Jun 18, 1999	15.75	15.88	15.13	15.13
1790	NASDAQ	PKOH	Thu, Jun 17, 1999	15.00	15.50	15.00	15.50
1789	NASDAQ	PKOH	Wed, Jun 16, 1999	14.53	15.00	14.53	14.88
1788	NASDAQ	PKOH	Tue, Jun 15, 1999	15.75	15.75	14.63	14.63
1787	NASDAQ	PKOH	Mon, Jun 14, 1999	17.00	17.00	14.38	15.63
1786	NASDAQ	PKOH	Fri, Jun 11, 1999	16.75	17.00	16.50	16.63
1785	NASDAQ	PKOH	Thu, Jun 10, 1999	16.91	17.06	16.63	16.75
1784	NASDAQ	PKOH	Wed, Jun 9, 1999	17.13	17.13	16.75	17.06
1783	NASDAQ	PKOH	Tue, Jun 8, 1999	17.25	17.25	16.75	16.88
1782	NASDAQ	PKOH	Mon, Jun 7, 1999	16.88	17.50	16.88	17.19
1781	NASDAQ	PKOH	Fri, Jun 4, 1999	16.75	17.25	16.75	16.88
1780	NASDAQ	PKOH	Thu, Jun 3, 1999	16.88	17.63	16.50	16.88
1779	NASDAQ	PKOH	Wed, Jun 2, 1999	16.75	16.75	16.25	16.25
1778	NASDAQ	PKOH	Tue, Jun 1, 1999	16.38	16.88	16.00	16.25
1777	NASDAQ	PKOH	Fri, May 28, 1999	16.38	16.38	15.63	16.00
1776	NASDAQ	PKOH	Thu, May 27, 1999	16.25	16.38	15.50	15.50
1775	NASDAQ	PKOH	Wed, May 26, 1999	16.25	16.25	15.38	15.38
1774	NASDAQ	PKOH	Tue, May 25, 1999	16.25	16.25	15.88	15.88
1773	NASDAQ	PKOH	Mon, May 24, 1999	16.00	16.25	15.88	15.88
1772	NASDAQ	PKOH	Fri, May 21, 1999	16.13	16.25	15.94	16.13
1771	NASDAQ	PKOH	Thu, May 20, 1999	15.00	16.38	15.00	16.00
1770	NASDAQ	PKOH	Wed, May 19, 1999	15.22	15.38	15.00	15.19
1769	NASDAQ	PKOH	Tue, May 18, 1999	14.00	15.25	13.81	15.19
1768	NASDAQ	PKOH	Mon, May 17, 1999	13.50	14.13	13.13	14.00
1767	NASDAQ	PKOH	Fri, May 14, 1999	13.75	13.88	13.50	13.56
1766	NASDAQ	PKOH	Thu, May 13, 1999	13.63	14.31	13.63	13.88
1765	NASDAQ	PKOH	Wed, May 12, 1999	14.00	14.38	13.75	13.75
1764	NASDAQ	PKOH	Tue, May 11, 1999	14.25	14.25	14.00	14.19
1763	NASDAQ	PKOH	Mon, May 10, 1999	14.25	14.50	14.13	14.25
1762	NASDAQ	PKOH	Fri, May 7, 1999	14.69	15.25	14.31	14.50
1761	NASDAQ	PKOH	Thu, May 6, 1999	14.63	15.00	14.63	14.69
1760	NASDAQ	PKOH	Wed, May 5, 1999	15.25	15.25	14.88	14.88
1759	NASDAQ	PKOH	Tue, May 4, 1999	15.38	15.38	14.63	14.88
1758	NASDAQ	PKOH	Mon, May 3, 1999	15.25	15.25	14.75	15.19
1757	NASDAQ	PKOH	Fri, Apr 30, 1999	15.50	15.50	14.75	15.13
1756	NASDAQ	PKOH	Thu, Apr 29, 1999	15.50	15.50	15.13	15.50
1755	NASDAQ	PKOH	Wed, Apr 28, 1999	15.56	15.56	15.13	15.50
1754	NASDAQ	PKOH	Tue, Apr 27, 1999	15.13	15.56	15.13	15.50
1753	NASDAQ	PKOH	Mon, Apr 26, 1999	15.50	15.50	15.00	15.13
1752	NASDAQ	PKOH	Fri, Apr 23, 1999	15.38	15.50	15.00	15.38
1751	NASDAQ	PKOH	Thu, Apr 22, 1999	16.25	16.38	16.00	16.38
1750	NASDAQ	PKOH	Wed, Apr 21, 1999	16.38	16.38	15.50	16.25
1749	NASDAQ	PKOH	Tue, Apr 20, 1999	15.00	16.63	14.88	15.75
1748	NASDAQ	PKOH	Mon, Apr 19, 1999	14.75	15.50	14.75	15.00
1747	NASDAQ	PKOH	Fri, Apr 16, 1999	14.00	14.75	14.00	14.38
1746	NASDAQ	PKOH	Thu, Apr 15, 1999	13.00	14.31	13.00	14.13
1745	NASDAQ	PKOH	Wed, Apr 14, 1999	13.00	13.63	13.00	13.63
1744	NASDAQ	PKOH	Tue, Apr 13, 1999	13.25	13.25	13.06	13.19
1743	NASDAQ	PKOH	Mon, Apr 12, 1999	13.25	13.25	13.00	13.00
1742	NASDAQ	PKOH	Fri, Apr 9, 1999	13.25	13.25	13.00	13.00
1741	NASDAQ	PKOH	Thu, Apr 8, 1999	12.63	13.25	12.63	13.19
1740	NASDAQ	PKOH	Wed, Apr 7, 1999	13.75	13.94	13.00	13.00
1739	NASDAQ	PKOH	Tue, Apr 6, 1999	14.13	14.25	13.38	13.38
1738	NASDAQ	PKOH	Mon, Apr 5, 1999	13.25	14.13	13.25	13.38
1737	NASDAQ	PKOH	Thu, Apr 1, 1999	14.00	14.50	13.88	13.88
1736	NASDAQ	PKOH	Wed, Mar 31, 1999	13.50	14.50	13.50	14.00
1735	NASDAQ	PKOH	Tue, Mar 30, 1999	13.88	14.50	13.50	13.75
1734	NASDAQ	PKOH	Mon, Mar 29, 1999	13.50	14.13	13.50	13.88
1733	NASDAQ	PKOH	Fri, Mar 26, 1999	14.00	14.00	13.25	13.50
1732	NASDAQ	PKOH	Thu, Mar 25, 1999	14.38	15.00	14.00	14.00
1731	NASDAQ	PKOH	Wed, Mar 24, 1999	15.00	15.00	14.25	14.25
1730	NASDAQ	PKOH	Tue, Mar 23, 1999	15.25	15.31	14.88	15.00
1729	NASDAQ	PKOH	Mon, Mar 22, 1999	15.63	15.75	15.00	15.00
1728	NASDAQ	PKOH	Fri, Mar 19, 1999	15.63	15.63	15.25	15.25
1727	NASDAQ	PKOH	Thu, Mar 18, 1999	15.75	15.75	15.38	15.75
1726	NASDAQ	PKOH	Wed, Mar 17, 1999	15.50	15.75	15.38	15.75
1725	NASDAQ	PKOH	Tue, Mar 16, 1999	15.69	16.00	15.38	15.50
1724	NASDAQ	PKOH	Mon, Mar 15, 1999	16.00	16.00	15.38	15.38
1723	NASDAQ	PKOH	Fri, Mar 12, 1999	15.44	16.00	15.44	15.44
1722	NASDAQ	PKOH	Thu, Mar 11, 1999	15.38	16.00	15.38	15.56
1721	NASDAQ	PKOH	Tue, Mar 9, 1999	16.00	16.00	15.50	15.75
1720	NASDAQ	PKOH	Mon, Mar 8, 1999	15.38	16.00	15.38	15.69
1719	NASDAQ	PKOH	Fri, Mar 5, 1999	16.00	16.00	15.38	15.38
1718	NASDAQ	PKOH	Thu, Mar 4, 1999	15.00	15.13	14.75	15.00
1717	NASDAQ	PKOH	Wed, Mar 3, 1999	14.50	14.78	14.44	14.56
1716	NASDAQ	PKOH	Tue, Mar 2, 1999	14.88	15.13	14.38	14.75
1715	NASDAQ	PKOH	Mon, Mar 1, 1999	15.00	15.50	14.88	15.09
1714	NASDAQ	PKOH	Fri, Feb 26, 1999	15.88	16.25	15.25	15.45
1713	NASDAQ	PKOH	Thu, Feb 25, 1999	16.00	16.50	16.00	16.25
1712	NASDAQ	PKOH	Wed, Feb 24, 1999	16.00	16.50	16.00	16.44
1711	NASDAQ	PKOH	Tue, Feb 23, 1999	16.50	16.50	16.50	16.50
1710	NASDAQ	PKOH	Mon, Feb 22, 1999	15.88	16.50	15.88	15.88
1709	NASDAQ	PKOH	Fri, Feb 19, 1999	16.50	16.50	16.38	16.38
1708	NASDAQ	PKOH	Thu, Feb 18, 1999	16.75	16.88	16.19	16.25
1707	NASDAQ	PKOH	Wed, Feb 17, 1999	16.75	16.75	16.38	16.38
1706	NASDAQ	PKOH	Tue, Feb 16, 1999	16.00	16.88	16.00	16.50
1705	NASDAQ	PKOH	Fri, Feb 12, 1999	16.25	16.25	15.63	15.88
1704	NASDAQ	PKOH	Thu, Feb 11, 1999	16.50	16.50	15.88	15.88
1703	NASDAQ	PKOH	Wed, Feb 10, 1999	16.13	16.50	16.13	16.50
1702	NASDAQ	PKOH	Tue, Feb 9, 1999	16.13	16.75	16.13	16.38
1701	NASDAQ	PKOH	Mon, Feb 8, 1999	16.13	16.25	16.13	16.13
1700	NASDAQ	PKOH	Fri, Feb 5, 1999	16.13	16.25	16.13	16.13
1699	NASDAQ	PKOH	Thu, Feb 4, 1999	16.25	16.38	16.13	16.25
1698	NASDAQ	PKOH	Wed, Feb 3, 1999	16.13	16.50	16.13	16.50
1697	NASDAQ	PKOH	Tue, Feb 2, 1999	16.38	16.63	16.13	16.38
1696	NASDAQ	PKOH	Mon, Feb 1, 1999	16.75	16.88	16.13	16.88
1695	NASDAQ	PKOH	Fri, Jan 29, 1999	16.75	16.75	16.38	16.50
1694	NASDAQ	PKOH	Thu, Jan 28, 1999	16.50	16.75	16.13	16.75
1693	NASDAQ	PKOH	Wed, Jan 27, 1999	16.25	16.75	16.13	16.44
1692	NASDAQ	PKOH	Tue, Jan 26, 1999	16.25	16.25	15.88	16.25
1691	NASDAQ	PKOH	Mon, Jan 25, 1999	16.13	16.38	16.00	16.25
1690	NASDAQ	PKOH	Fri, Jan 22, 1999	16.13	16.50	16.13	16.50
1689	NASDAQ	PKOH	Thu, Jan 21, 1999	16.38	16.75	16.38	16.38
1688	NASDAQ	PKOH	Wed, Jan 20, 1999	16.22	17.13	16.00	16.75
1687	NASDAQ	PKOH	Tue, Jan 19, 1999	16.00	17.00	16.00	16.50
1686	NASDAQ	PKOH	Fri, Jan 15, 1999	15.50	16.88	15.50	16.75
1685	NASDAQ	PKOH	Thu, Jan 14, 1999	15.50	16.25	15.50	16.25
1684	NASDAQ	PKOH	Wed, Jan 13, 1999	15.88	16.38	15.50	16.25
1683	NASDAQ	PKOH	Tue, Jan 12, 1999	15.25	16.38	15.19	16.38
1682	NASDAQ	PKOH	Mon, Jan 11, 1999	15.50	15.50	15.19	15.25
1681	NASDAQ	PKOH	Fri, Jan 8, 1999	14.88	15.38	14.88	15.19
1680	NASDAQ	PKOH	Thu, Jan 7, 1999	14.50	15.38	14.50	15.00
1679	NASDAQ	PKOH	Wed, Jan 6, 1999	14.75	15.13	14.19	14.50
1678	NASDAQ	PKOH	Tue, Jan 5, 1999	14.63	14.75	14.44	14.63
1677	NASDAQ	PKOH	Mon, Jan 4, 1999	14.75	15.13	14.75	15.00
1676	NASDAQ	PKOH	Thu, Dec 31, 1998	14.88	15.13	14.56	15.13
1675	NASDAQ	PKOH	Wed, Dec 30, 1998	14.88	14.88	14.56	14.56
1674	NASDAQ	PKOH	Tue, Dec 29, 1998	15.13	15.13	14.63	15.00
1673	NASDAQ	PKOH	Mon, Dec 28, 1998	15.13	15.13	15.00	15.13
1672	NASDAQ	PKOH	Thu, Dec 24, 1998	15.13	15.13	14.88	15.00
1671	NASDAQ	PKOH	Wed, Dec 23, 1998	14.75	15.13	14.75	14.88
1670	NASDAQ	PKOH	Tue, Dec 22, 1998	15.00	15.00	14.75	14.81
1669	NASDAQ	PKOH	Mon, Dec 21, 1998	15.50	15.50	15.06	15.06
1668	NASDAQ	PKOH	Fri, Dec 18, 1998	15.13	15.50	14.75	15.38
1667	NASDAQ	PKOH	Thu, Dec 17, 1998	15.50	15.63	15.50	15.63
1666	NASDAQ	PKOH	Wed, Dec 16, 1998	15.88	16.13	15.50	15.50
1665	NASDAQ	PKOH	Tue, Dec 15, 1998	16.00	16.56	15.75	16.00
1664	NASDAQ	PKOH	Mon, Dec 14, 1998	15.75	16.88	15.75	16.50
1663	NASDAQ	PKOH	Fri, Dec 11, 1998	15.63	16.50	15.25	16.50
1662	NASDAQ	PKOH	Thu, Dec 10, 1998	15.00	15.25	14.88	14.88
1661	NASDAQ	PKOH	Wed, Dec 9, 1998	14.50	15.00	14.50	14.63
1660	NASDAQ	PKOH	Tue, Dec 8, 1998	15.00	15.00	14.50	14.50
1659	NASDAQ	PKOH	Mon, Dec 7, 1998	14.50	14.69	14.44	14.50
1658	NASDAQ	PKOH	Fri, Dec 4, 1998	15.00	15.13	14.50	15.00
1657	NASDAQ	PKOH	Thu, Dec 3, 1998	16.00	16.00	15.31	15.31
1656	NASDAQ	PKOH	Wed, Dec 2, 1998	17.00	17.00	15.75	16.06
1655	NASDAQ	PKOH	Tue, Dec 1, 1998	16.00	16.63	16.00	16.25
1654	NASDAQ	PKOH	Mon, Nov 30, 1998	16.00	17.00	16.00	16.44
1653	NASDAQ	PKOH	Fri, Nov 27, 1998	16.75	17.00	16.75	16.94
1652	NASDAQ	PKOH	Wed, Nov 25, 1998	16.75	16.75	16.19	16.63
1651	NASDAQ	PKOH	Tue, Nov 24, 1998	16.25	16.75	16.25	16.50
1650	NASDAQ	PKOH	Mon, Nov 23, 1998	16.25	16.75	16.25	16.25
1649	NASDAQ	PKOH	Fri, Nov 20, 1998	16.13	16.50	16.00	16.50
1648	NASDAQ	PKOH	Thu, Nov 19, 1998	16.00	16.38	16.00	16.25
1647	NASDAQ	PKOH	Wed, Nov 18, 1998	16.00	16.38	16.00	16.38
1646	NASDAQ	PKOH	Tue, Nov 17, 1998	16.06	16.06	15.75	16.06
1645	NASDAQ	PKOH	Mon, Nov 16, 1998	16.25	16.50	16.25	16.50
1644	NASDAQ	PKOH	Fri, Nov 13, 1998	16.25	16.25	16.00	16.13
1643	NASDAQ	PKOH	Thu, Nov 12, 1998	16.50	16.63	15.75	15.75
1642	NASDAQ	PKOH	Wed, Nov 11, 1998	15.75	16.50	15.63	16.00
1641	NASDAQ	PKOH	Tue, Nov 10, 1998	15.75	15.75	15.75	15.75
1640	NASDAQ	PKOH	Mon, Nov 9, 1998	15.75	15.75	15.13	15.75
1639	NASDAQ	PKOH	Fri, Nov 6, 1998	15.25	15.75	14.88	15.75
1638	NASDAQ	PKOH	Thu, Nov 5, 1998	15.00	15.00	15.00	15.00
1637	NASDAQ	PKOH	Wed, Nov 4, 1998	15.25	15.50	14.88	15.00
1636	NASDAQ	PKOH	Tue, Nov 3, 1998	14.69	15.25	14.69	15.00
1635	NASDAQ	PKOH	Mon, Nov 2, 1998	14.88	14.88	14.69	14.75
1634	NASDAQ	PKOH	Fri, Oct 30, 1998	14.00	14.69	13.88	14.69
1633	NASDAQ	PKOH	Thu, Oct 29, 1998	13.19	13.88	13.19	13.56
1632	NASDAQ	PKOH	Wed, Oct 28, 1998	13.13	13.38	13.00	13.25
1631	NASDAQ	PKOH	Tue, Oct 27, 1998	13.00	13.13	12.75	12.88
1630	NASDAQ	PKOH	Mon, Oct 26, 1998	13.00	13.00	12.50	12.88
1629	NASDAQ	PKOH	Fri, Oct 23, 1998	12.75	12.75	12.25	12.69
1628	NASDAQ	PKOH	Thu, Oct 22, 1998	12.50	13.00	12.44	12.50
1627	NASDAQ	PKOH	Wed, Oct 21, 1998	12.38	12.50	12.31	12.50
1626	NASDAQ	PKOH	Tue, Oct 20, 1998	12.19	12.50	12.19	12.31
1625	NASDAQ	PKOH	Mon, Oct 19, 1998	11.75	12.31	11.75	12.13
1624	NASDAQ	PKOH	Fri, Oct 16, 1998	11.63	11.75	11.13	11.75
1623	NASDAQ	PKOH	Thu, Oct 15, 1998	12.00	12.00	10.69	11.50
1622	NASDAQ	PKOH	Wed, Oct 14, 1998	12.00	12.00	11.63	11.63
1621	NASDAQ	PKOH	Tue, Oct 13, 1998	11.63	12.13	11.63	12.13
1620	NASDAQ	PKOH	Mon, Oct 12, 1998	12.63	12.63	12.00	12.00
1619	NASDAQ	PKOH	Fri, Oct 9, 1998	11.88	12.75	11.81	12.50
1618	NASDAQ	PKOH	Thu, Oct 8, 1998	12.50	12.50	11.88	11.88
1617	NASDAQ	PKOH	Wed, Oct 7, 1998	12.88	12.88	12.50	12.75
1616	NASDAQ	PKOH	Tue, Oct 6, 1998	13.00	13.00	12.50	12.75
1615	NASDAQ	PKOH	Mon, Oct 5, 1998	13.50	13.50	12.50	12.50
1614	NASDAQ	PKOH	Fri, Oct 2, 1998	13.00	13.50	12.50	12.50
1613	NASDAQ	PKOH	Thu, Oct 1, 1998	13.25	13.63	13.13	13.13
1612	NASDAQ	PKOH	Wed, Sep 30, 1998	13.25	13.63	13.06	13.63
1611	NASDAQ	PKOH	Tue, Sep 29, 1998	13.38	13.63	12.75	13.00
1610	NASDAQ	PKOH	Mon, Sep 28, 1998	13.38	13.38	13.31	13.31
1609	NASDAQ	PKOH	Fri, Sep 25, 1998	12.75	12.75	12.75	12.75
1608	NASDAQ	PKOH	Thu, Sep 24, 1998	12.75	12.88	12.75	12.88
1607	NASDAQ	PKOH	Wed, Sep 23, 1998	12.25	13.25	12.25	12.75
1606	NASDAQ	PKOH	Tue, Sep 22, 1998	12.25	12.25	11.88	12.25
1605	NASDAQ	PKOH	Mon, Sep 21, 1998	12.25	12.50	12.00	12.00
1604	NASDAQ	PKOH	Fri, Sep 18, 1998	12.50	12.63	12.31	12.44
1603	NASDAQ	PKOH	Thu, Sep 17, 1998	12.94	13.00	12.50	12.50
1602	NASDAQ	PKOH	Wed, Sep 16, 1998	12.75	13.38	12.75	13.25
1601	NASDAQ	PKOH	Tue, Sep 15, 1998	13.25	13.38	13.13	13.13
1600	NASDAQ	PKOH	Mon, Sep 14, 1998	13.38	13.38	12.75	12.75
1599	NASDAQ	PKOH	Fri, Sep 11, 1998	13.25	13.63	13.13	13.38
1598	NASDAQ	PKOH	Thu, Sep 10, 1998	13.63	13.75	13.13	13.50
1597	NASDAQ	PKOH	Wed, Sep 9, 1998	14.63	14.75	13.75	13.75
1596	NASDAQ	PKOH	Tue, Sep 8, 1998	14.50	15.00	14.50	14.75
1595	NASDAQ	PKOH	Fri, Sep 4, 1998	13.75	14.00	13.75	14.00
1594	NASDAQ	PKOH	Thu, Sep 3, 1998	13.56	13.75	13.25	13.50
1593	NASDAQ	PKOH	Wed, Sep 2, 1998	13.13	13.88	13.13	13.75
1592	NASDAQ	PKOH	Tue, Sep 1, 1998	13.69	14.00	12.50	13.88
1591	NASDAQ	PKOH	Mon, Aug 31, 1998	14.75	14.75	13.00	13.13
1590	NASDAQ	PKOH	Fri, Aug 28, 1998	15.38	15.38	14.50	14.50
1589	NASDAQ	PKOH	Thu, Aug 27, 1998	16.50	16.50	14.75	15.00
1588	NASDAQ	PKOH	Wed, Aug 26, 1998	16.94	16.94	16.63	16.75
1587	NASDAQ	PKOH	Tue, Aug 25, 1998	16.75	17.25	16.75	17.25
1586	NASDAQ	PKOH	Mon, Aug 24, 1998	16.63	16.75	16.63	16.75
1585	NASDAQ	PKOH	Fri, Aug 21, 1998	16.56	17.25	16.38	16.75
1584	NASDAQ	PKOH	Thu, Aug 20, 1998	18.25	18.50	16.56	17.13
1583	NASDAQ	PKOH	Wed, Aug 19, 1998	18.75	18.75	18.13	18.25
1582	NASDAQ	PKOH	Tue, Aug 18, 1998	18.75	18.75	18.13	18.75
1581	NASDAQ	PKOH	Mon, Aug 17, 1998	18.50	18.50	18.13	18.50
1580	NASDAQ	PKOH	Fri, Aug 14, 1998	18.50	18.81	18.50	18.81
1579	NASDAQ	PKOH	Thu, Aug 13, 1998	18.63	18.63	18.13	18.25
1578	NASDAQ	PKOH	Wed, Aug 12, 1998	18.13	18.50	18.13	18.50
1577	NASDAQ	PKOH	Tue, Aug 11, 1998	18.88	18.88	18.13	18.13
1576	NASDAQ	PKOH	Mon, Aug 10, 1998	18.88	19.00	18.63	18.81
1575	NASDAQ	PKOH	Fri, Aug 7, 1998	18.88	19.00	18.88	18.88
1574	NASDAQ	PKOH	Thu, Aug 6, 1998	19.00	19.00	18.63	19.00
1573	NASDAQ	PKOH	Wed, Aug 5, 1998	18.75	19.00	18.50	18.81
1572	NASDAQ	PKOH	Tue, Aug 4, 1998	18.75	19.00	18.75	18.88
1571	NASDAQ	PKOH	Mon, Aug 3, 1998	18.75	19.00	18.75	18.75
1570	NASDAQ	PKOH	Fri, Jul 31, 1998	18.75	18.88	18.75	18.81
1569	NASDAQ	PKOH	Thu, Jul 30, 1998	19.38	19.38	19.00	19.13
1568	NASDAQ	PKOH	Wed, Jul 29, 1998	19.00	19.38	18.63	19.38
1567	NASDAQ	PKOH	Tue, Jul 28, 1998	18.75	19.00	18.63	19.00
1566	NASDAQ	PKOH	Mon, Jul 27, 1998	18.38	19.00	18.38	18.94
1565	NASDAQ	PKOH	Fri, Jul 24, 1998	18.38	18.88	18.25	18.44
1564	NASDAQ	PKOH	Thu, Jul 23, 1998	18.63	18.63	18.13	18.38
1563	NASDAQ	PKOH	Wed, Jul 22, 1998	18.38	18.63	18.25	18.31
1562	NASDAQ	PKOH	Tue, Jul 21, 1998	18.50	18.63	18.25	18.50
1561	NASDAQ	PKOH	Mon, Jul 20, 1998	18.25	18.50	18.25	18.25
1560	NASDAQ	PKOH	Fri, Jul 17, 1998	18.25	18.75	18.25	18.63
1559	NASDAQ	PKOH	Thu, Jul 16, 1998	18.75	18.75	18.38	18.69
1558	NASDAQ	PKOH	Wed, Jul 15, 1998	18.13	18.75	18.00	18.75
1557	NASDAQ	PKOH	Tue, Jul 14, 1998	17.88	18.25	17.69	18.00
1556	NASDAQ	PKOH	Mon, Jul 13, 1998	17.63	18.00	17.63	17.88
1555	NASDAQ	PKOH	Fri, Jul 10, 1998	17.88	17.88	17.63	17.88
1554	NASDAQ	PKOH	Thu, Jul 9, 1998	18.25	18.38	17.50	17.63
1553	NASDAQ	PKOH	Wed, Jul 8, 1998	18.38	18.38	18.25	18.25
1552	NASDAQ	PKOH	Tue, Jul 7, 1998	18.50	18.63	18.25	18.25
1551	NASDAQ	PKOH	Mon, Jul 6, 1998	18.50	18.63	18.13	18.31
1550	NASDAQ	PKOH	Thu, Jul 2, 1998	18.25	18.50	18.25	18.50
1549	NASDAQ	PKOH	Wed, Jul 1, 1998	18.63	18.63	18.25	18.25
1548	NASDAQ	PKOH	Tue, Jun 30, 1998	18.75	18.75	18.50	18.50
1547	NASDAQ	PKOH	Mon, Jun 29, 1998	18.50	18.75	18.25	18.25
1546	NASDAQ	PKOH	Fri, Jun 26, 1998	18.13	18.38	18.13	18.31
1545	NASDAQ	PKOH	Thu, Jun 25, 1998	18.25	18.38	18.13	18.38
1544	NASDAQ	PKOH	Wed, Jun 24, 1998	18.38	18.38	18.13	18.13
1543	NASDAQ	PKOH	Tue, Jun 23, 1998	18.25	18.38	18.13	18.38
1542	NASDAQ	PKOH	Mon, Jun 22, 1998	18.00	18.25	18.00	18.25
1541	NASDAQ	PKOH	Fri, Jun 19, 1998	18.19	18.19	18.00	18.19
1540	NASDAQ	PKOH	Thu, Jun 18, 1998	18.38	18.50	18.31	18.50
1539	NASDAQ	PKOH	Wed, Jun 17, 1998	18.69	18.69	18.25	18.25
1538	NASDAQ	PKOH	Tue, Jun 16, 1998	18.50	18.69	18.50	18.63
1537	NASDAQ	PKOH	Mon, Jun 15, 1998	18.75	18.75	18.56	18.63
1536	NASDAQ	PKOH	Fri, Jun 12, 1998	18.75	18.75	18.63	18.69
1535	NASDAQ	PKOH	Thu, Jun 11, 1998	18.75	18.88	18.63	18.63
1534	NASDAQ	PKOH	Wed, Jun 10, 1998	18.94	18.94	18.75	18.75
1533	NASDAQ	PKOH	Tue, Jun 9, 1998	18.75	18.94	18.75	18.94
1532	NASDAQ	PKOH	Mon, Jun 8, 1998	18.88	19.00	18.75	18.75
1531	NASDAQ	PKOH	Fri, Jun 5, 1998	18.88	18.88	18.75	18.75
1530	NASDAQ	PKOH	Thu, Jun 4, 1998	18.88	18.88	18.88	18.88
1529	NASDAQ	PKOH	Wed, Jun 3, 1998	18.63	18.75	18.63	18.75
1528	NASDAQ	PKOH	Tue, Jun 2, 1998	18.50	18.63	18.50	18.56
1527	NASDAQ	PKOH	Mon, Jun 1, 1998	18.75	18.88	18.75	18.75
1526	NASDAQ	PKOH	Fri, May 29, 1998	18.50	19.00	18.50	18.88
1525	NASDAQ	PKOH	Thu, May 28, 1998	18.22	18.38	18.13	18.38
1524	NASDAQ	PKOH	Wed, May 27, 1998	18.63	18.63	18.13	18.63
1523	NASDAQ	PKOH	Tue, May 26, 1998	18.50	18.75	18.25	18.25
1522	NASDAQ	PKOH	Fri, May 22, 1998	18.88	18.88	18.63	18.69
1521	NASDAQ	PKOH	Thu, May 21, 1998	18.75	18.88	18.50	18.75
1520	NASDAQ	PKOH	Wed, May 20, 1998	18.88	19.25	18.78	19.00
1519	NASDAQ	PKOH	Tue, May 19, 1998	19.00	19.25	18.88	18.88
1518	NASDAQ	PKOH	Mon, May 18, 1998	18.88	19.00	18.88	19.00
1517	NASDAQ	PKOH	Fri, May 15, 1998	19.13	19.25	19.06	19.13
1516	NASDAQ	PKOH	Thu, May 14, 1998	19.13	19.13	19.00	19.13
1515	NASDAQ	PKOH	Wed, May 13, 1998	18.56	19.13	18.56	19.13
1514	NASDAQ	PKOH	Tue, May 12, 1998	18.69	18.75	18.56	18.56
1513	NASDAQ	PKOH	Mon, May 11, 1998	18.88	18.88	18.63	18.69
1512	NASDAQ	PKOH	Fri, May 8, 1998	18.50	18.88	18.50	18.88
1511	NASDAQ	PKOH	Thu, May 7, 1998	18.50	19.25	18.13	19.00
1510	NASDAQ	PKOH	Wed, May 6, 1998	18.25	18.44	18.19	18.31
1509	NASDAQ	PKOH	Tue, May 5, 1998	18.63	18.63	18.25	18.50
1508	NASDAQ	PKOH	Mon, May 4, 1998	18.38	18.63	18.13	18.63
1507	NASDAQ	PKOH	Fri, May 1, 1998	18.38	18.50	18.13	18.50
1506	NASDAQ	PKOH	Thu, Apr 30, 1998	18.38	18.38	18.38	18.38
1505	NASDAQ	PKOH	Wed, Apr 29, 1998	18.13	18.50	18.13	18.13
1504	NASDAQ	PKOH	Tue, Apr 28, 1998	18.50	18.50	18.13	18.13
1503	NASDAQ	PKOH	Mon, Apr 27, 1998	18.50	18.75	17.63	18.38
1502	NASDAQ	PKOH	Fri, Apr 24, 1998	18.63	19.13	18.63	18.75
1501	NASDAQ	PKOH	Thu, Apr 23, 1998	18.88	19.50	18.88	18.88
1500	NASDAQ	PKOH	Wed, Apr 22, 1998	19.13	19.13	18.75	18.94
1499	NASDAQ	PKOH	Tue, Apr 21, 1998	19.13	19.25	19.00	19.13
1498	NASDAQ	PKOH	Mon, Apr 20, 1998	19.25	19.44	19.00	19.13
1497	NASDAQ	PKOH	Fri, Apr 17, 1998	19.13	19.63	19.13	19.25
1496	NASDAQ	PKOH	Thu, Apr 16, 1998	19.19	19.31	19.13	19.31
1495	NASDAQ	PKOH	Wed, Apr 15, 1998	19.25	19.75	19.13	19.25
1494	NASDAQ	PKOH	Tue, Apr 14, 1998	19.00	19.25	19.00	19.25
1493	NASDAQ	PKOH	Mon, Apr 13, 1998	19.25	19.25	19.00	19.00
1492	NASDAQ	PKOH	Thu, Apr 9, 1998	18.88	18.94	18.88	18.94
1491	NASDAQ	PKOH	Wed, Apr 8, 1998	19.31	19.44	19.00	19.25
1490	NASDAQ	PKOH	Tue, Apr 7, 1998	19.38	19.50	19.13	19.25
1489	NASDAQ	PKOH	Mon, Apr 6, 1998	19.31	19.75	19.00	19.38
1488	NASDAQ	PKOH	Fri, Apr 3, 1998	19.38	19.63	19.25	19.63
1487	NASDAQ	PKOH	Thu, Apr 2, 1998	19.25	19.38	19.00	19.38
1486	NASDAQ	PKOH	Wed, Apr 1, 1998	19.25	19.50	19.25	19.25
1485	NASDAQ	PKOH	Tue, Mar 31, 1998	19.75	19.75	19.38	19.38
1484	NASDAQ	PKOH	Mon, Mar 30, 1998	19.75	19.75	19.38	19.38
1483	NASDAQ	PKOH	Fri, Mar 27, 1998	19.44	19.75	19.44	19.50
1482	NASDAQ	PKOH	Thu, Mar 26, 1998	19.38	19.88	19.38	19.38
1481	NASDAQ	PKOH	Wed, Mar 25, 1998	19.88	19.88	19.38	19.75
1480	NASDAQ	PKOH	Tue, Mar 24, 1998	20.38	20.38	19.75	19.75
1479	NASDAQ	PKOH	Mon, Mar 23, 1998	20.38	20.50	19.75	20.00
1478	NASDAQ	PKOH	Fri, Mar 20, 1998	20.00	20.13	19.88	20.00
1477	NASDAQ	PKOH	Thu, Mar 19, 1998	19.88	20.13	19.88	20.00
1476	NASDAQ	PKOH	Wed, Mar 18, 1998	19.38	19.88	19.38	19.88
1475	NASDAQ	PKOH	Tue, Mar 17, 1998	19.75	19.75	19.38	19.50
1474	NASDAQ	PKOH	Mon, Mar 16, 1998	19.75	19.88	19.50	19.63
1473	NASDAQ	PKOH	Fri, Mar 13, 1998	19.50	19.63	19.50	19.63
1472	NASDAQ	PKOH	Thu, Mar 12, 1998	19.88	19.88	19.50	19.75
1471	NASDAQ	PKOH	Wed, Mar 11, 1998	19.38	19.88	19.38	19.88
1470	NASDAQ	PKOH	Tue, Mar 10, 1998	19.50	20.13	19.50	19.75
1469	NASDAQ	PKOH	Mon, Mar 9, 1998	19.88	20.13	19.63	20.13
1468	NASDAQ	PKOH	Fri, Mar 6, 1998	20.00	20.00	19.75	19.75
1467	NASDAQ	PKOH	Thu, Mar 5, 1998	19.75	20.00	19.13	19.75
1466	NASDAQ	PKOH	Wed, Mar 4, 1998	18.38	20.00	18.38	19.75
1465	NASDAQ	PKOH	Tue, Mar 3, 1998	17.88	18.38	17.88	18.38
1464	NASDAQ	PKOH	Mon, Mar 2, 1998	18.00	18.25	17.75	18.13
1463	NASDAQ	PKOH	Fri, Feb 27, 1998	17.56	18.00	17.56	17.75
1462	NASDAQ	PKOH	Thu, Feb 26, 1998	17.75	17.88	17.38	17.88
1461	NASDAQ	PKOH	Wed, Feb 25, 1998	17.50	18.06	17.38	18.00
1460	NASDAQ	PKOH	Tue, Feb 24, 1998	17.31	17.88	17.31	17.88
1459	NASDAQ	PKOH	Mon, Feb 23, 1998	16.88	17.25	16.69	17.25
1458	NASDAQ	PKOH	Fri, Feb 20, 1998	16.63	16.88	16.63	16.88
1457	NASDAQ	PKOH	Thu, Feb 19, 1998	16.75	17.00	16.38	16.50
1456	NASDAQ	PKOH	Wed, Feb 18, 1998	16.75	16.88	16.50	16.78
1455	NASDAQ	PKOH	Tue, Feb 17, 1998	17.22	17.22	15.38	16.59
1454	NASDAQ	PKOH	Fri, Feb 13, 1998	17.38	17.63	17.13	17.13
1453	NASDAQ	PKOH	Thu, Feb 12, 1998	17.63	17.75	17.38	17.56
1452	NASDAQ	PKOH	Wed, Feb 11, 1998	17.88	17.94	17.63	17.75
1451	NASDAQ	PKOH	Tue, Feb 10, 1998	17.13	17.63	17.13	17.50
1450	NASDAQ	PKOH	Mon, Feb 9, 1998	18.00	18.00	17.25	17.38
1449	NASDAQ	PKOH	Fri, Feb 6, 1998	16.38	17.88	16.00	17.50
1448	NASDAQ	PKOH	Thu, Feb 5, 1998	16.75	16.75	16.50	16.75
1447	NASDAQ	PKOH	Wed, Feb 4, 1998	16.50	17.31	16.13	16.50
1446	NASDAQ	PKOH	Tue, Feb 3, 1998	17.00	17.25	16.75	17.00
1445	NASDAQ	PKOH	Mon, Feb 2, 1998	17.25	17.25	17.00	17.00
1444	NASDAQ	PKOH	Fri, Jan 30, 1998	17.00	17.25	16.56	17.25
1443	NASDAQ	PKOH	Thu, Jan 29, 1998	17.00	17.25	16.50	17.00
1442	NASDAQ	PKOH	Wed, Jan 28, 1998	17.13	17.13	16.75	17.00
1441	NASDAQ	PKOH	Tue, Jan 27, 1998	16.75	17.13	16.75	17.13
1440	NASDAQ	PKOH	Mon, Jan 26, 1998	16.88	17.13	16.88	17.13
1439	NASDAQ	PKOH	Fri, Jan 23, 1998	17.13	17.13	16.63	16.75
1438	NASDAQ	PKOH	Thu, Jan 22, 1998	16.50	17.13	16.50	17.00
1437	NASDAQ	PKOH	Wed, Jan 21, 1998	17.13	17.13	16.50	17.13
1436	NASDAQ	PKOH	Tue, Jan 20, 1998	16.88	17.13	16.63	17.00
1435	NASDAQ	PKOH	Fri, Jan 16, 1998	16.75	17.25	16.50	16.81
1434	NASDAQ	PKOH	Thu, Jan 15, 1998	17.13	17.75	16.75	17.13
1433	NASDAQ	PKOH	Wed, Jan 14, 1998	17.13	17.63	17.13	17.38
1432	NASDAQ	PKOH	Tue, Jan 13, 1998	17.75	17.75	17.13	17.38
1431	NASDAQ	PKOH	Mon, Jan 12, 1998	18.00	18.00	17.25	17.63
1430	NASDAQ	PKOH	Fri, Jan 9, 1998	17.75	18.13	17.50	17.50
1429	NASDAQ	PKOH	Thu, Jan 8, 1998	18.13	18.13	17.88	18.00
1428	NASDAQ	PKOH	Wed, Jan 7, 1998	18.13	18.13	17.88	18.13
1427	NASDAQ	PKOH	Tue, Jan 6, 1998	18.13	18.13	17.75	17.75
1426	NASDAQ	PKOH	Mon, Jan 5, 1998	17.63	18.38	17.63	18.25
1425	NASDAQ	PKOH	Fri, Jan 2, 1998	18.25	18.25	17.75	18.00
1424	NASDAQ	PKOH	Wed, Dec 31, 1997	18.13	18.38	17.63	18.25
1423	NASDAQ	PKOH	Tue, Dec 30, 1997	18.00	18.25	17.75	18.00
1422	NASDAQ	PKOH	Mon, Dec 29, 1997	18.25	18.25	18.13	18.25
1421	NASDAQ	PKOH	Fri, Dec 26, 1997	18.25	18.25	18.00	18.25
1420	NASDAQ	PKOH	Wed, Dec 24, 1997	18.13	18.25	18.13	18.25
1419	NASDAQ	PKOH	Tue, Dec 23, 1997	18.00	18.25	18.00	18.00
1418	NASDAQ	PKOH	Mon, Dec 22, 1997	18.00	18.25	18.00	18.25
1417	NASDAQ	PKOH	Fri, Dec 19, 1997	18.25	18.25	17.88	17.88
1416	NASDAQ	PKOH	Thu, Dec 18, 1997	18.00	18.25	17.88	18.00
1415	NASDAQ	PKOH	Wed, Dec 17, 1997	17.63	18.00	17.50	18.00
1414	NASDAQ	PKOH	Tue, Dec 16, 1997	17.31	17.63	17.13	17.63
1413	NASDAQ	PKOH	Mon, Dec 15, 1997	17.13	17.25	16.63	17.06
1412	NASDAQ	PKOH	Fri, Dec 12, 1997	16.88	17.38	16.88	17.13
1411	NASDAQ	PKOH	Thu, Dec 11, 1997	17.25	17.75	16.50	16.75
1410	NASDAQ	PKOH	Wed, Dec 10, 1997	17.75	17.75	17.75	17.75
1409	NASDAQ	PKOH	Tue, Dec 9, 1997	17.63	17.88	17.25	17.75
1408	NASDAQ	PKOH	Mon, Dec 8, 1997	18.00	18.00	17.88	17.88
1407	NASDAQ	PKOH	Fri, Dec 5, 1997	17.63	18.00	17.63	18.00
1406	NASDAQ	PKOH	Thu, Dec 4, 1997	18.00	18.13	17.75	17.88
1405	NASDAQ	PKOH	Wed, Dec 3, 1997	18.13	18.13	17.88	18.00
1404	NASDAQ	PKOH	Tue, Dec 2, 1997	17.88	18.13	17.88	18.00
1403	NASDAQ	PKOH	Mon, Dec 1, 1997	18.00	18.13	17.88	18.13
1402	NASDAQ	PKOH	Fri, Nov 28, 1997	18.00	18.13	18.00	18.13
1401	NASDAQ	PKOH	Wed, Nov 26, 1997	18.13	18.13	17.88	18.00
1400	NASDAQ	PKOH	Tue, Nov 25, 1997	17.88	18.25	17.88	18.00
1399	NASDAQ	PKOH	Mon, Nov 24, 1997	17.75	18.06	17.75	18.00
1398	NASDAQ	PKOH	Fri, Nov 21, 1997	17.75	18.06	17.63	18.00
1397	NASDAQ	PKOH	Thu, Nov 20, 1997	17.13	17.75	17.13	17.50
1396	NASDAQ	PKOH	Wed, Nov 19, 1997	17.44	17.44	17.44	17.44
1395	NASDAQ	PKOH	Tue, Nov 18, 1997	17.50	17.50	17.00	17.44
1394	NASDAQ	PKOH	Mon, Nov 17, 1997	17.50	17.50	16.88	17.25
1393	NASDAQ	PKOH	Fri, Nov 14, 1997	16.63	17.50	16.63	17.50
1392	NASDAQ	PKOH	Thu, Nov 13, 1997	16.75	16.75	16.50	16.50
1391	NASDAQ	PKOH	Wed, Nov 12, 1997	16.75	16.75	16.50	16.50
1390	NASDAQ	PKOH	Tue, Nov 11, 1997	17.00	17.00	16.50	17.00
1389	NASDAQ	PKOH	Mon, Nov 10, 1997	16.38	16.38	16.38	16.38
1388	NASDAQ	PKOH	Fri, Nov 7, 1997	17.00	17.25	16.00	16.00
1387	NASDAQ	PKOH	Thu, Nov 6, 1997	17.00	17.75	17.00	17.00
1386	NASDAQ	PKOH	Wed, Nov 5, 1997	17.00	17.50	17.00	17.00
1385	NASDAQ	PKOH	Tue, Nov 4, 1997	16.50	17.00	16.50	17.00
1384	NASDAQ	PKOH	Mon, Nov 3, 1997	16.50	17.50	16.50	17.50
1383	NASDAQ	PKOH	Fri, Oct 31, 1997	17.00	17.00	16.25	16.38
1382	NASDAQ	PKOH	Thu, Oct 30, 1997	16.75	17.13	16.13	16.50
1381	NASDAQ	PKOH	Wed, Oct 29, 1997	15.63	16.75	15.63	16.25
1380	NASDAQ	PKOH	Tue, Oct 28, 1997	15.50	15.63	15.00	15.63
1379	NASDAQ	PKOH	Mon, Oct 27, 1997	16.50	17.00	15.38	15.38
1378	NASDAQ	PKOH	Fri, Oct 24, 1997	17.13	17.13	16.75	17.00
1377	NASDAQ	PKOH	Thu, Oct 23, 1997	17.38	17.38	16.50	16.88
1376	NASDAQ	PKOH	Wed, Oct 22, 1997	17.50	17.63	17.38	17.50
1375	NASDAQ	PKOH	Tue, Oct 21, 1997	17.44	17.63	17.38	17.38
1374	NASDAQ	PKOH	Mon, Oct 20, 1997	16.88	17.63	16.88	17.38
1373	NASDAQ	PKOH	Fri, Oct 17, 1997	18.25	18.25	17.00	17.38
1372	NASDAQ	PKOH	Thu, Oct 16, 1997	18.25	18.38	17.91	18.00
1371	NASDAQ	PKOH	Wed, Oct 15, 1997	18.00	18.38	17.50	18.00
1370	NASDAQ	PKOH	Tue, Oct 14, 1997	18.00	18.13	17.75	17.75
1369	NASDAQ	PKOH	Mon, Oct 13, 1997	18.00	18.00	17.50	17.75
1368	NASDAQ	PKOH	Fri, Oct 10, 1997	16.88	18.31	16.88	18.00
1367	NASDAQ	PKOH	Thu, Oct 9, 1997	16.00	16.88	16.00	16.88
1366	NASDAQ	PKOH	Wed, Oct 8, 1997	15.63	16.50	15.63	16.50
1365	NASDAQ	PKOH	Tue, Oct 7, 1997	15.25	16.00	15.25	16.00
1364	NASDAQ	PKOH	Mon, Oct 6, 1997	15.38	15.44	15.38	15.38
1363	NASDAQ	PKOH	Fri, Oct 3, 1997	15.44	15.50	15.34	15.38
1362	NASDAQ	PKOH	Thu, Oct 2, 1997	15.13	15.19	15.13	15.13
1361	NASDAQ	PKOH	Wed, Oct 1, 1997	15.25	15.63	15.25	15.63
1360	NASDAQ	PKOH	Tue, Sep 30, 1997	15.06	15.25	15.00	15.25
1359	NASDAQ	PKOH	Mon, Sep 29, 1997	15.00	15.25	14.88	15.00
1358	NASDAQ	PKOH	Fri, Sep 26, 1997	14.75	15.00	14.75	15.00
1357	NASDAQ	PKOH	Thu, Sep 25, 1997	15.25	15.25	14.50	15.13
1356	NASDAQ	PKOH	Wed, Sep 24, 1997	15.63	15.63	15.50	15.50
1355	NASDAQ	PKOH	Tue, Sep 23, 1997	15.88	15.94	15.88	15.88
1354	NASDAQ	PKOH	Mon, Sep 22, 1997	15.88	16.13	15.88	15.88
1353	NASDAQ	PKOH	Fri, Sep 19, 1997	15.75	16.00	15.75	15.88
1352	NASDAQ	PKOH	Thu, Sep 18, 1997	15.75	15.75	15.75	15.75
1351	NASDAQ	PKOH	Wed, Sep 17, 1997	16.13	16.19	15.75	15.75
1350	NASDAQ	PKOH	Tue, Sep 16, 1997	15.63	16.25	15.38	16.00
1349	NASDAQ	PKOH	Mon, Sep 15, 1997	15.75	16.00	15.25	15.63
1348	NASDAQ	PKOH	Fri, Sep 12, 1997	15.50	15.94	15.50	15.88
1347	NASDAQ	PKOH	Thu, Sep 11, 1997	15.25	15.50	15.25	15.25
1346	NASDAQ	PKOH	Wed, Sep 10, 1997	15.25	15.50	15.25	15.25
1345	NASDAQ	PKOH	Tue, Sep 9, 1997	15.25	15.63	15.25	15.63
1344	NASDAQ	PKOH	Mon, Sep 8, 1997	15.25	15.25	15.25	15.25
1343	NASDAQ	PKOH	Fri, Sep 5, 1997	15.50	15.63	15.25	15.56
1342	NASDAQ	PKOH	Thu, Sep 4, 1997	15.50	15.75	15.50	15.75
1341	NASDAQ	PKOH	Wed, Sep 3, 1997	14.75	15.50	14.75	15.50
1340	NASDAQ	PKOH	Tue, Sep 2, 1997	14.88	15.13	14.75	14.88
1339	NASDAQ	PKOH	Fri, Aug 29, 1997	14.88	15.13	14.88	14.88
1338	NASDAQ	PKOH	Thu, Aug 28, 1997	14.75	15.13	14.75	15.00
1337	NASDAQ	PKOH	Wed, Aug 27, 1997	14.88	15.13	14.75	14.75
1336	NASDAQ	PKOH	Tue, Aug 26, 1997	14.50	14.88	14.50	14.50
1335	NASDAQ	PKOH	Mon, Aug 25, 1997	14.75	14.88	14.50	14.50
1334	NASDAQ	PKOH	Fri, Aug 22, 1997	14.50	14.75	14.50	14.63
1333	NASDAQ	PKOH	Thu, Aug 21, 1997	14.50	14.63	14.38	14.56
1332	NASDAQ	PKOH	Wed, Aug 20, 1997	14.44	14.88	14.44	14.50
1331	NASDAQ	PKOH	Tue, Aug 19, 1997	14.50	14.88	14.25	14.44
1330	NASDAQ	PKOH	Mon, Aug 18, 1997	14.38	14.63	14.25	14.31
1329	NASDAQ	PKOH	Fri, Aug 15, 1997	14.63	14.69	14.50	14.56
1328	NASDAQ	PKOH	Thu, Aug 14, 1997	14.50	14.75	14.50	14.50
1327	NASDAQ	PKOH	Wed, Aug 13, 1997	14.75	14.75	14.63	14.63
1326	NASDAQ	PKOH	Tue, Aug 12, 1997	15.00	15.00	14.75	14.81
1325	NASDAQ	PKOH	Mon, Aug 11, 1997	14.75	14.88	14.63	14.63
1324	NASDAQ	PKOH	Fri, Aug 8, 1997	14.88	15.00	14.81	15.00
1323	NASDAQ	PKOH	Thu, Aug 7, 1997	14.88	15.25	14.88	15.00
1322	NASDAQ	PKOH	Wed, Aug 6, 1997	15.25	15.25	15.25	15.25
1321	NASDAQ	PKOH	Tue, Aug 5, 1997	14.75	15.25	14.75	15.00
1320	NASDAQ	PKOH	Mon, Aug 4, 1997	15.00	15.13	14.75	14.75
1319	NASDAQ	PKOH	Fri, Aug 1, 1997	15.38	15.38	15.00	15.06
1318	NASDAQ	PKOH	Thu, Jul 31, 1997	15.00	15.38	15.00	15.06
1317	NASDAQ	PKOH	Wed, Jul 30, 1997	15.00	15.25	15.00	15.25
1316	NASDAQ	PKOH	Tue, Jul 29, 1997	15.00	15.38	15.00	15.00
1315	NASDAQ	PKOH	Mon, Jul 28, 1997	15.00	15.00	15.00	15.00
1314	NASDAQ	PKOH	Fri, Jul 25, 1997	15.00	15.00	15.00	15.00
1313	NASDAQ	PKOH	Thu, Jul 24, 1997	16.25	16.25	15.25	15.56
1312	NASDAQ	PKOH	Wed, Jul 23, 1997	16.00	16.38	15.88	16.00
1311	NASDAQ	PKOH	Tue, Jul 22, 1997	16.00	16.00	15.63	15.63
1310	NASDAQ	PKOH	Mon, Jul 21, 1997	15.88	16.00	15.50	16.00
1309	NASDAQ	PKOH	Fri, Jul 18, 1997	15.50	15.88	15.25	15.88
1308	NASDAQ	PKOH	Thu, Jul 17, 1997	15.00	15.63	15.00	15.50
1307	NASDAQ	PKOH	Wed, Jul 16, 1997	15.25	15.31	15.00	15.00
1306	NASDAQ	PKOH	Tue, Jul 15, 1997	15.00	15.25	14.75	15.25
1305	NASDAQ	PKOH	Mon, Jul 14, 1997	14.75	15.06	14.75	15.06
1304	NASDAQ	PKOH	Fri, Jul 11, 1997	15.25	15.31	15.00	15.06
1303	NASDAQ	PKOH	Thu, Jul 10, 1997	15.13	15.50	15.00	15.00
1302	NASDAQ	PKOH	Wed, Jul 9, 1997	15.00	15.25	15.00	15.00
1301	NASDAQ	PKOH	Tue, Jul 8, 1997	14.75	15.25	14.75	15.25
1300	NASDAQ	PKOH	Mon, Jul 7, 1997	14.88	15.00	14.63	14.75
1299	NASDAQ	PKOH	Thu, Jul 3, 1997	15.00	15.00	14.88	14.88
1298	NASDAQ	PKOH	Wed, Jul 2, 1997	14.88	15.19	14.88	15.13
1297	NASDAQ	PKOH	Tue, Jul 1, 1997	14.75	15.25	14.75	15.00
1296	NASDAQ	PKOH	Mon, Jun 30, 1997	14.25	15.25	14.00	15.25
1295	NASDAQ	PKOH	Fri, Jun 27, 1997	13.88	14.25	13.88	14.00
1294	NASDAQ	PKOH	Thu, Jun 26, 1997	14.00	14.25	13.88	13.88
1293	NASDAQ	PKOH	Wed, Jun 25, 1997	13.13	13.88	13.13	13.63
1292	NASDAQ	PKOH	Tue, Jun 24, 1997	13.00	13.63	13.00	13.13
1291	NASDAQ	PKOH	Mon, Jun 23, 1997	14.38	14.38	13.00	13.38
1290	NASDAQ	PKOH	Fri, Jun 20, 1997	13.88	14.25	13.88	14.19
1289	NASDAQ	PKOH	Thu, Jun 19, 1997	13.88	14.38	13.88	14.13
1288	NASDAQ	PKOH	Wed, Jun 18, 1997	14.38	14.38	13.88	13.88
1287	NASDAQ	PKOH	Tue, Jun 17, 1997	13.50	14.50	13.25	14.00
1286	NASDAQ	PKOH	Mon, Jun 16, 1997	13.38	13.38	13.13	13.19
1285	NASDAQ	PKOH	Fri, Jun 13, 1997	13.13	13.38	13.00	13.25
1284	NASDAQ	PKOH	Thu, Jun 12, 1997	13.13	13.25	13.13	13.25
1283	NASDAQ	PKOH	Wed, Jun 11, 1997	13.50	13.50	13.00	13.25
1282	NASDAQ	PKOH	Tue, Jun 10, 1997	13.00	13.38	13.00	13.00
1281	NASDAQ	PKOH	Mon, Jun 9, 1997	13.00	13.19	13.00	13.13
1280	NASDAQ	PKOH	Fri, Jun 6, 1997	13.06	13.13	13.00	13.06
1279	NASDAQ	PKOH	Thu, Jun 5, 1997	13.00	13.38	12.88	13.06
1278	NASDAQ	PKOH	Wed, Jun 4, 1997	13.25	13.38	13.13	13.13
1277	NASDAQ	PKOH	Tue, Jun 3, 1997	13.25	13.25	13.00	13.06
1276	NASDAQ	PKOH	Mon, Jun 2, 1997	12.88	13.25	12.88	13.13
1275	NASDAQ	PKOH	Fri, May 30, 1997	12.50	13.06	12.50	13.00
1274	NASDAQ	PKOH	Thu, May 29, 1997	12.38	12.75	12.38	12.38
1273	NASDAQ	PKOH	Wed, May 28, 1997	12.56	12.69	12.38	12.50
1272	NASDAQ	PKOH	Tue, May 27, 1997	12.38	12.75	12.38	12.50
1271	NASDAQ	PKOH	Fri, May 23, 1997	12.88	13.13	12.38	12.38
1270	NASDAQ	PKOH	Thu, May 22, 1997	12.88	13.25	12.75	13.00
1269	NASDAQ	PKOH	Wed, May 21, 1997	12.38	12.63	12.38	12.38
1268	NASDAQ	PKOH	Tue, May 20, 1997	12.38	12.75	12.38	12.38
1267	NASDAQ	PKOH	Mon, May 19, 1997	12.25	12.75	12.25	12.50
1266	NASDAQ	PKOH	Fri, May 16, 1997	12.63	12.63	12.25	12.25
1265	NASDAQ	PKOH	Thu, May 15, 1997	12.63	12.63	12.25	12.56
1264	NASDAQ	PKOH	Wed, May 14, 1997	12.00	12.63	12.00	12.63
1263	NASDAQ	PKOH	Tue, May 13, 1997	12.50	12.50	12.00	12.00
1262	NASDAQ	PKOH	Mon, May 12, 1997	12.38	12.50	12.00	12.00
1261	NASDAQ	PKOH	Fri, May 9, 1997	12.00	12.13	11.75	11.88
1260	NASDAQ	PKOH	Thu, May 8, 1997	11.63	12.00	11.63	12.00
1259	NASDAQ	PKOH	Wed, May 7, 1997	11.63	12.00	11.63	12.00
1258	NASDAQ	PKOH	Tue, May 6, 1997	11.88	12.13	11.75	12.00
1257	NASDAQ	PKOH	Mon, May 5, 1997	12.13	12.13	11.75	11.88
1256	NASDAQ	PKOH	Fri, May 2, 1997	12.00	12.13	11.69	12.13
1255	NASDAQ	PKOH	Thu, May 1, 1997	12.13	12.25	11.88	12.00
1254	NASDAQ	PKOH	Wed, Apr 30, 1997	11.88	12.25	11.88	12.13
1253	NASDAQ	PKOH	Tue, Apr 29, 1997	12.56	12.63	11.88	12.00
1252	NASDAQ	PKOH	Mon, Apr 28, 1997	12.25	12.38	12.13	12.25
1251	NASDAQ	PKOH	Fri, Apr 25, 1997	11.25	12.25	11.25	11.72
1250	NASDAQ	PKOH	Thu, Apr 24, 1997	11.50	11.50	11.25	11.25
1249	NASDAQ	PKOH	Wed, Apr 23, 1997	12.00	12.00	11.38	11.38
1248	NASDAQ	PKOH	Tue, Apr 22, 1997	12.38	12.38	11.63	11.75
1247	NASDAQ	PKOH	Mon, Apr 21, 1997	12.38	12.75	12.13	12.38
1246	NASDAQ	PKOH	Fri, Apr 18, 1997	12.38	12.75	12.25	12.50
1245	NASDAQ	PKOH	Thu, Apr 17, 1997	12.00	12.06	11.63	11.88
1244	NASDAQ	PKOH	Wed, Apr 16, 1997	12.13	12.13	11.63	11.63
1243	NASDAQ	PKOH	Tue, Apr 15, 1997	12.88	12.88	11.75	11.88
1242	NASDAQ	PKOH	Mon, Apr 14, 1997	12.75	12.88	12.63	12.63
1241	NASDAQ	PKOH	Fri, Apr 11, 1997	13.00	13.25	12.75	12.75
1240	NASDAQ	PKOH	Thu, Apr 10, 1997	13.25	13.25	13.00	13.06
1239	NASDAQ	PKOH	Wed, Apr 9, 1997	13.13	13.25	13.00	13.00
1238	NASDAQ	PKOH	Tue, Apr 8, 1997	13.00	13.25	12.81	12.94
1237	NASDAQ	PKOH	Mon, Apr 7, 1997	13.25	13.25	13.03	13.03
1236	NASDAQ	PKOH	Fri, Apr 4, 1997	13.00	13.25	13.00	13.25
1235	NASDAQ	PKOH	Thu, Apr 3, 1997	13.25	13.25	13.00	13.00
1234	NASDAQ	PKOH	Wed, Apr 2, 1997	13.25	13.25	13.00	13.00
1233	NASDAQ	PKOH	Tue, Apr 1, 1997	13.00	13.06	13.00	13.00
1232	NASDAQ	PKOH	Mon, Mar 31, 1997	13.00	13.25	13.00	13.25
1231	NASDAQ	PKOH	Thu, Mar 27, 1997	13.00	13.25	13.00	13.25
1230	NASDAQ	PKOH	Wed, Mar 26, 1997	13.25	13.25	12.94	13.25
1229	NASDAQ	PKOH	Tue, Mar 25, 1997	13.25	13.25	13.13	13.25
1228	NASDAQ	PKOH	Mon, Mar 24, 1997	13.25	13.25	13.00	13.06
1227	NASDAQ	PKOH	Fri, Mar 21, 1997	13.13	13.25	12.88	13.25
1226	NASDAQ	PKOH	Thu, Mar 20, 1997	13.75	13.75	12.50	12.88
1225	NASDAQ	PKOH	Wed, Mar 19, 1997	14.00	14.13	13.88	13.88
1224	NASDAQ	PKOH	Tue, Mar 18, 1997	14.25	14.50	14.00	14.13
1223	NASDAQ	PKOH	Mon, Mar 17, 1997	14.25	14.50	14.25	14.50
1222	NASDAQ	PKOH	Fri, Mar 14, 1997	14.75	14.75	14.25	14.38
1221	NASDAQ	PKOH	Thu, Mar 13, 1997	14.63	14.75	14.63	14.63
1220	NASDAQ	PKOH	Wed, Mar 12, 1997	14.75	14.75	14.63	14.69
1219	NASDAQ	PKOH	Tue, Mar 11, 1997	14.50	14.88	14.50	14.88
1218	NASDAQ	PKOH	Mon, Mar 10, 1997	14.75	14.88	14.75	14.75
1217	NASDAQ	PKOH	Fri, Mar 7, 1997	14.63	14.88	14.50	14.50
1216	NASDAQ	PKOH	Thu, Mar 6, 1997	14.50	14.63	14.25	14.50
1215	NASDAQ	PKOH	Wed, Mar 5, 1997	14.19	14.50	14.13	14.25
1214	NASDAQ	PKOH	Tue, Mar 4, 1997	14.63	14.63	14.25	14.50
1213	NASDAQ	PKOH	Mon, Mar 3, 1997	14.38	14.50	14.25	14.39
1212	NASDAQ	PKOH	Fri, Feb 28, 1997	14.50	14.63	14.38	14.38
1211	NASDAQ	PKOH	Thu, Feb 27, 1997	14.13	14.63	14.00	14.38
1210	NASDAQ	PKOH	Wed, Feb 26, 1997	14.00	14.13	14.00	14.00
1209	NASDAQ	PKOH	Tue, Feb 25, 1997	14.00	14.13	14.00	14.00
1208	NASDAQ	PKOH	Mon, Feb 24, 1997	14.00	14.06	14.00	14.00
1207	NASDAQ	PKOH	Fri, Feb 21, 1997	14.00	14.13	14.00	14.13
1206	NASDAQ	PKOH	Thu, Feb 20, 1997	14.00	14.13	14.00	14.00
1205	NASDAQ	PKOH	Wed, Feb 19, 1997	14.50	14.50	13.88	14.00
1204	NASDAQ	PKOH	Tue, Feb 18, 1997	15.13	15.25	14.63	14.75
1203	NASDAQ	PKOH	Fri, Feb 14, 1997	15.13	15.38	15.13	15.13
1202	NASDAQ	PKOH	Thu, Feb 13, 1997	15.38	15.75	15.13	15.25
1201	NASDAQ	PKOH	Wed, Feb 12, 1997	15.50	15.88	15.13	15.63
1200	NASDAQ	PKOH	Tue, Feb 11, 1997	16.25	16.25	15.25	15.31
1199	NASDAQ	PKOH	Mon, Feb 10, 1997	15.88	16.25	15.88	16.25
1198	NASDAQ	PKOH	Fri, Feb 7, 1997	15.88	16.13	15.88	15.88
1197	NASDAQ	PKOH	Thu, Feb 6, 1997	16.13	16.13	15.75	15.75
1196	NASDAQ	PKOH	Wed, Feb 5, 1997	15.75	15.88	15.75	15.88
1195	NASDAQ	PKOH	Tue, Feb 4, 1997	15.38	16.00	15.38	15.81
1194	NASDAQ	PKOH	Mon, Feb 3, 1997	15.38	15.50	15.38	15.44
1193	NASDAQ	PKOH	Fri, Jan 31, 1997	15.38	15.56	15.38	15.44
1192	NASDAQ	PKOH	Thu, Jan 30, 1997	15.38	15.50	15.38	15.38
1191	NASDAQ	PKOH	Wed, Jan 29, 1997	15.50	15.50	15.38	15.38
1190	NASDAQ	PKOH	Tue, Jan 28, 1997	15.38	15.63	15.38	15.63
1189	NASDAQ	PKOH	Mon, Jan 27, 1997	15.63	15.63	15.38	15.38
1188	NASDAQ	PKOH	Fri, Jan 24, 1997	15.63	15.63	15.38	15.50
1187	NASDAQ	PKOH	Thu, Jan 23, 1997	15.13	15.63	15.13	15.38
1186	NASDAQ	PKOH	Wed, Jan 22, 1997	15.25	15.50	15.13	15.13
1185	NASDAQ	PKOH	Tue, Jan 21, 1997	15.88	15.88	15.25	15.38
1184	NASDAQ	PKOH	Mon, Jan 20, 1997	16.25	16.50	15.88	15.88
1183	NASDAQ	PKOH	Fri, Jan 17, 1997	16.50	16.75	16.25	16.25
1182	NASDAQ	PKOH	Thu, Jan 16, 1997	16.13	16.88	16.13	16.75
1181	NASDAQ	PKOH	Wed, Jan 15, 1997	16.00	16.75	15.63	16.38
1180	NASDAQ	PKOH	Tue, Jan 14, 1997	14.88	16.00	14.44	15.88
1179	NASDAQ	PKOH	Mon, Jan 13, 1997	13.63	14.88	13.63	14.75
1178	NASDAQ	PKOH	Fri, Jan 10, 1997	13.00	13.50	13.00	13.50
1177	NASDAQ	PKOH	Thu, Jan 9, 1997	13.38	13.38	13.00	13.19
1176	NASDAQ	PKOH	Wed, Jan 8, 1997	13.38	13.38	12.88	13.38
1175	NASDAQ	PKOH	Tue, Jan 7, 1997	13.25	13.25	13.13	13.25
1174	NASDAQ	PKOH	Mon, Jan 6, 1997	13.13	13.25	12.75	13.25
1173	NASDAQ	PKOH	Fri, Jan 3, 1997	13.13	13.13	12.75	12.91
1172	NASDAQ	PKOH	Thu, Jan 2, 1997	13.25	13.25	12.88	13.06
1171	NASDAQ	PKOH	Tue, Dec 31, 1996	13.00	13.25	12.88	12.88
1170	NASDAQ	PKOH	Mon, Dec 30, 1996	13.38	13.38	13.00	13.00
1169	NASDAQ	PKOH	Fri, Dec 27, 1996	13.00	13.38	13.00	13.22
1168	NASDAQ	PKOH	Thu, Dec 26, 1996	13.00	13.03	12.88	13.03
1167	NASDAQ	PKOH	Tue, Dec 24, 1996	12.88	13.25	12.88	13.13
1166	NASDAQ	PKOH	Mon, Dec 23, 1996	12.88	13.25	12.88	13.13
1165	NASDAQ	PKOH	Fri, Dec 20, 1996	13.88	13.88	12.88	13.06
1164	NASDAQ	PKOH	Thu, Dec 19, 1996	13.00	13.88	13.00	13.50
1163	NASDAQ	PKOH	Wed, Dec 18, 1996	13.63	13.63	13.00	13.00
1162	NASDAQ	PKOH	Tue, Dec 17, 1996	13.50	13.88	13.38	13.88
1161	NASDAQ	PKOH	Mon, Dec 16, 1996	13.88	13.88	13.50	13.63
1160	NASDAQ	PKOH	Fri, Dec 13, 1996	13.63	13.88	13.63	13.63
1159	NASDAQ	PKOH	Thu, Dec 12, 1996	13.75	14.00	13.50	13.88
1158	NASDAQ	PKOH	Wed, Dec 11, 1996	13.38	13.63	13.38	13.53
1157	NASDAQ	PKOH	Tue, Dec 10, 1996	13.38	13.75	13.38	13.41
1156	NASDAQ	PKOH	Mon, Dec 9, 1996	13.38	13.75	13.38	13.63
1155	NASDAQ	PKOH	Fri, Dec 6, 1996	13.38	13.88	13.38	13.63
1154	NASDAQ	PKOH	Thu, Dec 5, 1996	13.88	14.00	13.69	13.69
1153	NASDAQ	PKOH	Wed, Dec 4, 1996	14.06	14.25	13.75	13.88
1152	NASDAQ	PKOH	Tue, Dec 3, 1996	14.13	14.25	13.88	14.00
1151	NASDAQ	PKOH	Mon, Dec 2, 1996	14.38	14.50	13.88	14.00
1150	NASDAQ	PKOH	Fri, Nov 29, 1996	14.50	14.72	14.38	14.38
1149	NASDAQ	PKOH	Wed, Nov 27, 1996	14.63	14.75	14.50	14.75
1148	NASDAQ	PKOH	Tue, Nov 26, 1996	14.69	14.75	14.50	14.50
1147	NASDAQ	PKOH	Mon, Nov 25, 1996	14.50	14.75	14.50	14.63
1146	NASDAQ	PKOH	Fri, Nov 22, 1996	14.38	14.75	14.38	14.75
1145	NASDAQ	PKOH	Thu, Nov 21, 1996	14.75	14.75	14.38	14.75
1144	NASDAQ	PKOH	Wed, Nov 20, 1996	15.13	15.13	14.88	14.88
1143	NASDAQ	PKOH	Tue, Nov 19, 1996	15.25	15.25	14.75	14.88
1142	NASDAQ	PKOH	Mon, Nov 18, 1996	15.88	15.88	15.25	15.38
1141	NASDAQ	PKOH	Fri, Nov 15, 1996	16.13	16.25	15.88	15.94
1140	NASDAQ	PKOH	Thu, Nov 14, 1996	15.25	16.50	15.25	16.25
1139	NASDAQ	PKOH	Wed, Nov 13, 1996	14.88	15.63	14.63	15.63
1138	NASDAQ	PKOH	Tue, Nov 12, 1996	14.63	14.63	14.63	14.63
1137	NASDAQ	PKOH	Mon, Nov 11, 1996	14.50	14.88	14.50	14.63
1136	NASDAQ	PKOH	Fri, Nov 8, 1996	14.00	14.50	14.00	14.50
1135	NASDAQ	PKOH	Thu, Nov 7, 1996	14.75	14.94	14.13	14.25
1134	NASDAQ	PKOH	Wed, Nov 6, 1996	14.75	15.13	14.75	14.75
1133	NASDAQ	PKOH	Tue, Nov 5, 1996	15.50	15.50	14.88	14.88
1132	NASDAQ	PKOH	Mon, Nov 4, 1996	15.00	15.00	15.00	15.00
1131	NASDAQ	PKOH	Fri, Nov 1, 1996	15.00	15.13	15.00	15.00
1130	NASDAQ	PKOH	Thu, Oct 31, 1996	15.00	15.50	15.00	15.00
1129	NASDAQ	PKOH	Wed, Oct 30, 1996	15.00	15.50	15.00	15.00
1128	NASDAQ	PKOH	Tue, Oct 29, 1996	15.00	15.25	15.00	15.00
1127	NASDAQ	PKOH	Mon, Oct 28, 1996	15.38	15.38	15.00	15.00
1126	NASDAQ	PKOH	Fri, Oct 25, 1996	16.00	16.38	15.25	15.25
1125	NASDAQ	PKOH	Thu, Oct 24, 1996	16.25	16.25	15.75	15.88
1124	NASDAQ	PKOH	Wed, Oct 23, 1996	16.13	16.13	16.00	16.00
1123	NASDAQ	PKOH	Tue, Oct 22, 1996	16.13	16.63	16.13	16.13
1122	NASDAQ	PKOH	Mon, Oct 21, 1996	16.25	16.63	16.25	16.63
1121	NASDAQ	PKOH	Fri, Oct 18, 1996	16.63	16.63	16.25	16.63
1120	NASDAQ	PKOH	Thu, Oct 17, 1996	16.63	16.63	16.38	16.38
1119	NASDAQ	PKOH	Wed, Oct 16, 1996	16.38	16.63	16.00	16.25
1118	NASDAQ	PKOH	Tue, Oct 15, 1996	16.00	16.50	16.00	16.25
1117	NASDAQ	PKOH	Mon, Oct 14, 1996	15.25	16.38	15.25	16.13
1116	NASDAQ	PKOH	Fri, Oct 11, 1996	14.88	15.63	14.88	15.25
1115	NASDAQ	PKOH	Thu, Oct 10, 1996	14.88	15.13	14.88	14.88
1114	NASDAQ	PKOH	Wed, Oct 9, 1996	15.25	15.25	14.88	15.25
1113	NASDAQ	PKOH	Tue, Oct 8, 1996	14.38	15.00	14.38	15.00
1112	NASDAQ	PKOH	Mon, Oct 7, 1996	14.38	14.38	14.38	14.38
1111	NASDAQ	PKOH	Fri, Oct 4, 1996	14.38	14.75	14.38	14.75
1110	NASDAQ	PKOH	Thu, Oct 3, 1996	14.38	14.75	14.25	14.50
1109	NASDAQ	PKOH	Wed, Oct 2, 1996	14.75	14.75	14.75	14.75
1108	NASDAQ	PKOH	Tue, Oct 1, 1996	14.50	14.75	14.50	14.75
1107	NASDAQ	PKOH	Mon, Sep 30, 1996	15.00	15.00	14.50	14.50
1106	NASDAQ	PKOH	Fri, Sep 27, 1996	14.75	14.75	14.75	14.75
1105	NASDAQ	PKOH	Thu, Sep 26, 1996	14.63	15.00	14.38	14.75
1104	NASDAQ	PKOH	Wed, Sep 25, 1996	14.63	14.75	14.38	14.63
1103	NASDAQ	PKOH	Tue, Sep 24, 1996	14.75	14.88	14.50	14.50
1102	NASDAQ	PKOH	Mon, Sep 23, 1996	14.75	15.06	14.75	14.75
1101	NASDAQ	PKOH	Fri, Sep 20, 1996	15.13	15.31	14.88	15.00
1100	NASDAQ	PKOH	Thu, Sep 19, 1996	15.25	15.25	15.25	15.25
1099	NASDAQ	PKOH	Wed, Sep 18, 1996	15.88	15.88	15.38	15.63
1098	NASDAQ	PKOH	Tue, Sep 17, 1996	16.25	16.25	15.75	16.00
1097	NASDAQ	PKOH	Mon, Sep 16, 1996	16.50	16.63	16.25	16.25
1096	NASDAQ	PKOH	Fri, Sep 13, 1996	15.25	16.38	14.75	16.38
1095	NASDAQ	PKOH	Thu, Sep 12, 1996	14.63	15.13	14.38	14.94
1094	NASDAQ	PKOH	Wed, Sep 11, 1996	14.75	14.75	14.38	14.38
1093	NASDAQ	PKOH	Tue, Sep 10, 1996	15.00	15.00	14.38	14.75
1092	NASDAQ	PKOH	Mon, Sep 9, 1996	14.88	15.00	14.63	15.00
1091	NASDAQ	PKOH	Fri, Sep 6, 1996	14.50	14.88	14.13	14.63
1090	NASDAQ	PKOH	Thu, Sep 5, 1996	14.38	14.38	14.13	14.13
1089	NASDAQ	PKOH	Wed, Sep 4, 1996	14.38	14.38	14.13	14.25
1088	NASDAQ	PKOH	Tue, Sep 3, 1996	14.75	14.75	14.13	14.13
1087	NASDAQ	PKOH	Fri, Aug 30, 1996	14.75	14.75	14.50	14.50
1086	NASDAQ	PKOH	Thu, Aug 29, 1996	14.88	14.88	14.50	14.56
1085	NASDAQ	PKOH	Wed, Aug 28, 1996	14.75	14.88	14.50	14.69
1084	NASDAQ	PKOH	Tue, Aug 27, 1996	15.13	15.13	14.75	14.75
1083	NASDAQ	PKOH	Mon, Aug 26, 1996	15.13	15.13	14.94	15.13
1082	NASDAQ	PKOH	Fri, Aug 23, 1996	15.13	15.13	15.13	15.13
1081	NASDAQ	PKOH	Thu, Aug 22, 1996	15.13	15.25	15.13	15.19
1080	NASDAQ	PKOH	Wed, Aug 21, 1996	15.13	15.50	15.13	15.25
1079	NASDAQ	PKOH	Tue, Aug 20, 1996	15.13	15.44	15.00	15.44
1078	NASDAQ	PKOH	Mon, Aug 19, 1996	15.13	15.50	15.00	15.13
1077	NASDAQ	PKOH	Fri, Aug 16, 1996	15.19	15.38	15.13	15.25
1076	NASDAQ	PKOH	Thu, Aug 15, 1996	15.25	15.25	14.88	14.88
1075	NASDAQ	PKOH	Wed, Aug 14, 1996	14.88	15.25	14.88	15.00
1074	NASDAQ	PKOH	Tue, Aug 13, 1996	15.63	15.63	14.75	15.25
1073	NASDAQ	PKOH	Mon, Aug 12, 1996	15.63	15.75	15.25	15.25
1072	NASDAQ	PKOH	Fri, Aug 9, 1996	15.50	15.56	15.50	15.56
1071	NASDAQ	PKOH	Thu, Aug 8, 1996	15.75	15.75	15.25	15.50
1070	NASDAQ	PKOH	Wed, Aug 7, 1996	16.25	16.25	15.88	16.00
1069	NASDAQ	PKOH	Tue, Aug 6, 1996	16.00	16.25	15.88	15.88
1068	NASDAQ	PKOH	Mon, Aug 5, 1996	16.25	16.63	16.00	16.25
1067	NASDAQ	PKOH	Fri, Aug 2, 1996	16.25	16.63	16.25	16.63
1066	NASDAQ	PKOH	Thu, Aug 1, 1996	16.50	16.88	16.38	16.38
1065	NASDAQ	PKOH	Wed, Jul 31, 1996	16.63	17.00	16.63	16.75
1064	NASDAQ	PKOH	Tue, Jul 30, 1996	16.88	16.88	16.63	16.63
1063	NASDAQ	PKOH	Mon, Jul 29, 1996	16.88	17.00	16.63	16.63
1062	NASDAQ	PKOH	Fri, Jul 26, 1996	16.88	17.00	16.63	16.88
1061	NASDAQ	PKOH	Thu, Jul 25, 1996	16.88	17.00	16.63	17.00
1060	NASDAQ	PKOH	Wed, Jul 24, 1996	16.00	16.63	15.88	16.63
1059	NASDAQ	PKOH	Tue, Jul 23, 1996	16.75	17.06	16.13	16.38
1058	NASDAQ	PKOH	Mon, Jul 22, 1996	16.75	16.75	16.13	16.38
1057	NASDAQ	PKOH	Fri, Jul 19, 1996	16.88	16.88	16.75	16.75
1056	NASDAQ	PKOH	Thu, Jul 18, 1996	15.38	16.50	15.38	16.50
1055	NASDAQ	PKOH	Wed, Jul 17, 1996	15.13	15.38	14.75	15.13
1054	NASDAQ	PKOH	Tue, Jul 16, 1996	14.63	15.13	14.63	15.13
1053	NASDAQ	PKOH	Mon, Jul 15, 1996	15.75	15.75	14.38	14.63
1052	NASDAQ	PKOH	Fri, Jul 12, 1996	15.88	15.94	15.38	15.50
1051	NASDAQ	PKOH	Thu, Jul 11, 1996	16.63	16.63	15.88	16.00
1050	NASDAQ	PKOH	Wed, Jul 10, 1996	16.25	16.63	16.13	16.50
1049	NASDAQ	PKOH	Tue, Jul 9, 1996	17.38	17.38	16.13	16.63
1048	NASDAQ	PKOH	Mon, Jul 8, 1996	17.88	18.13	17.00	17.31
1047	NASDAQ	PKOH	Fri, Jul 5, 1996	18.38	18.38	18.00	18.25
1046	NASDAQ	PKOH	Wed, Jul 3, 1996	19.13	19.13	18.38	18.63
1045	NASDAQ	PKOH	Tue, Jul 2, 1996	19.50	19.50	18.88	18.88
1044	NASDAQ	PKOH	Mon, Jul 1, 1996	19.88	19.88	19.38	19.38
1043	NASDAQ	PKOH	Fri, Jun 28, 1996	19.38	19.88	19.38	19.38
1042	NASDAQ	PKOH	Thu, Jun 27, 1996	19.38	19.75	19.38	19.38
1041	NASDAQ	PKOH	Wed, Jun 26, 1996	19.56	19.75	19.38	19.50
1040	NASDAQ	PKOH	Tue, Jun 25, 1996	19.75	19.75	19.25	19.75
1039	NASDAQ	PKOH	Mon, Jun 24, 1996	19.75	20.00	19.75	19.75
1038	NASDAQ	PKOH	Fri, Jun 21, 1996	19.88	20.25	19.75	19.75
1037	NASDAQ	PKOH	Thu, Jun 20, 1996	19.88	20.25	19.88	19.88
1036	NASDAQ	PKOH	Wed, Jun 19, 1996	20.50	20.50	20.13	20.19
1035	NASDAQ	PKOH	Tue, Jun 18, 1996	20.25	20.50	20.00	20.38
1034	NASDAQ	PKOH	Mon, Jun 17, 1996	20.50	20.50	20.25	20.25
1033	NASDAQ	PKOH	Fri, Jun 14, 1996	20.75	21.25	20.50	20.63
1032	NASDAQ	PKOH	Thu, Jun 13, 1996	21.25	21.50	20.75	21.13
1031	NASDAQ	PKOH	Wed, Jun 12, 1996	21.50	21.50	21.38	21.38
1030	NASDAQ	PKOH	Tue, Jun 11, 1996	22.00	22.00	21.63	21.75
1029	NASDAQ	PKOH	Mon, Jun 10, 1996	21.50	22.00	21.50	22.00
1028	NASDAQ	PKOH	Fri, Jun 7, 1996	21.75	21.75	21.25	21.50
1027	NASDAQ	PKOH	Thu, Jun 6, 1996	22.13	22.50	22.13	22.13
1026	NASDAQ	PKOH	Wed, Jun 5, 1996	22.50	22.50	22.25	22.50
1025	NASDAQ	PKOH	Tue, Jun 4, 1996	22.38	22.50	22.13	22.31
1024	NASDAQ	PKOH	Mon, Jun 3, 1996	22.13	22.50	22.13	22.50
1023	NASDAQ	PKOH	Fri, May 31, 1996	22.13	22.50	22.13	22.50
1022	NASDAQ	PKOH	Thu, May 30, 1996	22.25	22.38	22.13	22.13
1021	NASDAQ	PKOH	Wed, May 29, 1996	22.75	23.13	22.25	22.25
1020	NASDAQ	PKOH	Tue, May 28, 1996	23.13	23.25	22.88	22.88
1019	NASDAQ	PKOH	Fri, May 24, 1996	22.50	23.50	22.50	23.00
1018	NASDAQ	PKOH	Thu, May 23, 1996	23.00	23.00	22.50	22.75
1017	NASDAQ	PKOH	Wed, May 22, 1996	23.00	23.00	22.50	22.75
1016	NASDAQ	PKOH	Tue, May 21, 1996	22.75	23.00	22.50	22.63
1015	NASDAQ	PKOH	Mon, May 20, 1996	22.75	22.75	22.50	22.63
1014	NASDAQ	PKOH	Fri, May 17, 1996	22.25	23.13	21.88	22.75
1013	NASDAQ	PKOH	Thu, May 16, 1996	19.88	21.88	19.50	21.88
1012	NASDAQ	PKOH	Wed, May 15, 1996	20.00	20.00	19.63	20.00
1011	NASDAQ	PKOH	Tue, May 14, 1996	20.00	20.00	19.75	19.75
1010	NASDAQ	PKOH	Mon, May 13, 1996	20.75	20.75	19.88	19.88
1009	NASDAQ	PKOH	Fri, May 10, 1996	19.50	20.75	19.50	20.75
1008	NASDAQ	PKOH	Thu, May 9, 1996	17.50	19.75	17.50	19.50
1007	NASDAQ	PKOH	Wed, May 8, 1996	17.38	17.38	17.13	17.13
1006	NASDAQ	PKOH	Tue, May 7, 1996	17.63	17.63	17.25	17.44
1005	NASDAQ	PKOH	Mon, May 6, 1996	17.63	17.63	17.25	17.50
1004	NASDAQ	PKOH	Fri, May 3, 1996	18.25	18.50	17.25	17.38
1003	NASDAQ	PKOH	Thu, May 2, 1996	18.25	18.63	18.25	18.25
1002	NASDAQ	PKOH	Wed, May 1, 1996	18.88	18.88	18.38	18.38
1001	NASDAQ	PKOH	Tue, Apr 30, 1996	19.13	19.50	18.63	18.63
1000	NASDAQ	PKOH	Mon, Apr 29, 1996	19.13	19.50	19.00	19.13
999	NASDAQ	PKOH	Fri, Apr 26, 1996	19.88	19.88	19.13	19.38
998	NASDAQ	PKOH	Thu, Apr 25, 1996	20.00	20.00	19.50	19.88
997	NASDAQ	PKOH	Wed, Apr 24, 1996	19.13	19.88	18.75	19.50
996	NASDAQ	PKOH	Tue, Apr 23, 1996	18.50	19.13	18.50	18.75
995	NASDAQ	PKOH	Mon, Apr 22, 1996	18.38	18.63	18.38	18.63
994	NASDAQ	PKOH	Fri, Apr 19, 1996	18.63	18.63	18.38	18.38
993	NASDAQ	PKOH	Thu, Apr 18, 1996	18.63	18.63	18.38	18.38
992	NASDAQ	PKOH	Wed, Apr 17, 1996	18.38	18.63	18.38	18.38
991	NASDAQ	PKOH	Tue, Apr 16, 1996	18.38	18.63	18.25	18.38
990	NASDAQ	PKOH	Mon, Apr 15, 1996	17.38	18.38	17.38	18.25
989	NASDAQ	PKOH	Fri, Apr 12, 1996	17.38	17.75	17.38	17.75
988	NASDAQ	PKOH	Thu, Apr 11, 1996	17.38	17.75	17.38	17.50
987	NASDAQ	PKOH	Wed, Apr 10, 1996	17.75	17.75	17.38	17.56
986	NASDAQ	PKOH	Tue, Apr 9, 1996	17.63	17.75	17.38	17.38
985	NASDAQ	PKOH	Mon, Apr 8, 1996	17.13	17.50	17.13	17.25
984	NASDAQ	PKOH	Thu, Apr 4, 1996	17.38	17.38	17.13	17.38
983	NASDAQ	PKOH	Wed, Apr 3, 1996	17.38	17.38	17.00	17.25
982	NASDAQ	PKOH	Tue, Apr 2, 1996	16.50	17.25	16.50	17.00
981	NASDAQ	PKOH	Mon, Apr 1, 1996	16.38	16.63	16.25	16.38
980	NASDAQ	PKOH	Fri, Mar 29, 1996	16.25	16.50	16.25	16.50
979	NASDAQ	PKOH	Thu, Mar 28, 1996	16.00	16.25	15.88	16.00
978	NASDAQ	PKOH	Wed, Mar 27, 1996	15.63	15.88	15.50	15.63
977	NASDAQ	PKOH	Tue, Mar 26, 1996	15.63	15.75	15.50	15.75
976	NASDAQ	PKOH	Mon, Mar 25, 1996	15.75	15.88	15.38	15.50
975	NASDAQ	PKOH	Fri, Mar 22, 1996	16.13	16.13	15.75	16.00
974	NASDAQ	PKOH	Thu, Mar 21, 1996	15.75	16.13	15.75	15.75
973	NASDAQ	PKOH	Wed, Mar 20, 1996	15.75	16.13	15.75	16.13
972	NASDAQ	PKOH	Tue, Mar 19, 1996	16.00	16.13	15.75	16.13
971	NASDAQ	PKOH	Mon, Mar 18, 1996	16.00	16.25	16.00	16.25
970	NASDAQ	PKOH	Fri, Mar 15, 1996	15.13	16.25	15.13	16.25
969	NASDAQ	PKOH	Thu, Mar 14, 1996	14.88	15.63	14.88	15.13
968	NASDAQ	PKOH	Wed, Mar 13, 1996	13.50	14.75	13.50	14.63
967	NASDAQ	PKOH	Tue, Mar 12, 1996	13.75	14.00	13.50	13.88
966	NASDAQ	PKOH	Mon, Mar 11, 1996	13.25	13.75	13.25	13.75
965	NASDAQ	PKOH	Fri, Mar 8, 1996	14.00	14.38	13.38	13.38
964	NASDAQ	PKOH	Thu, Mar 7, 1996	14.25	14.50	14.13	14.31
963	NASDAQ	PKOH	Wed, Mar 6, 1996	14.25	14.50	14.25	14.25
962	NASDAQ	PKOH	Tue, Mar 5, 1996	14.50	14.50	14.38	14.50
961	NASDAQ	PKOH	Mon, Mar 4, 1996	15.00	15.00	14.25	14.25
960	NASDAQ	PKOH	Fri, Mar 1, 1996	15.13	15.25	15.00	15.13
959	NASDAQ	PKOH	Thu, Feb 29, 1996	15.25	15.50	14.88	15.50
958	NASDAQ	PKOH	Wed, Feb 28, 1996	16.88	17.38	15.25	15.50
957	NASDAQ	PKOH	Tue, Feb 27, 1996	14.25	17.13	14.00	17.13
956	NASDAQ	PKOH	Mon, Feb 26, 1996	13.50	14.25	13.50	14.00
955	NASDAQ	PKOH	Fri, Feb 23, 1996	13.38	13.75	13.38	13.63
954	NASDAQ	PKOH	Thu, Feb 22, 1996	13.50	13.63	13.50	13.50
953	NASDAQ	PKOH	Wed, Feb 21, 1996	13.38	13.63	13.38	13.63
952	NASDAQ	PKOH	Tue, Feb 20, 1996	13.38	13.75	13.38	13.38
951	NASDAQ	PKOH	Fri, Feb 16, 1996	13.13	13.88	13.13	13.88
950	NASDAQ	PKOH	Thu, Feb 15, 1996	13.38	13.56	13.13	13.13
949	NASDAQ	PKOH	Wed, Feb 14, 1996	13.88	13.88	13.50	13.50
948	NASDAQ	PKOH	Tue, Feb 13, 1996	13.63	13.88	13.63	13.63
947	NASDAQ	PKOH	Mon, Feb 12, 1996	14.00	14.00	13.88	14.00
946	NASDAQ	PKOH	Fri, Feb 9, 1996	14.50	14.50	14.50	14.50
945	NASDAQ	PKOH	Thu, Feb 8, 1996	14.25	14.50	14.00	14.25
944	NASDAQ	PKOH	Wed, Feb 7, 1996	14.00	14.00	14.00	14.00
943	NASDAQ	PKOH	Tue, Feb 6, 1996	14.00	14.44	14.00	14.38
942	NASDAQ	PKOH	Mon, Feb 5, 1996	14.00	14.13	14.00	14.00
941	NASDAQ	PKOH	Fri, Feb 2, 1996	14.38	14.38	14.00	14.13
940	NASDAQ	PKOH	Thu, Feb 1, 1996	14.00	14.13	14.00	14.13
939	NASDAQ	PKOH	Wed, Jan 31, 1996	14.00	14.25	14.00	14.00
938	NASDAQ	PKOH	Tue, Jan 30, 1996	14.00	14.13	14.00	14.00
937	NASDAQ	PKOH	Mon, Jan 29, 1996	14.13	14.13	14.00	14.13
936	NASDAQ	PKOH	Fri, Jan 26, 1996	13.75	14.13	13.75	13.88
935	NASDAQ	PKOH	Thu, Jan 25, 1996	14.00	14.13	13.75	13.75
934	NASDAQ	PKOH	Wed, Jan 24, 1996	13.50	14.13	13.50	14.00
933	NASDAQ	PKOH	Tue, Jan 23, 1996	13.63	13.75	13.50	13.50
932	NASDAQ	PKOH	Mon, Jan 22, 1996	13.50	13.88	13.50	13.88
931	NASDAQ	PKOH	Fri, Jan 19, 1996	13.38	13.88	13.13	13.88
930	NASDAQ	PKOH	Thu, Jan 18, 1996	13.00	13.25	13.00	13.25
929	NASDAQ	PKOH	Wed, Jan 17, 1996	13.13	13.25	13.00	13.13
928	NASDAQ	PKOH	Tue, Jan 16, 1996	13.00	13.25	13.00	13.25
927	NASDAQ	PKOH	Mon, Jan 15, 1996	13.25	13.25	12.88	13.13
926	NASDAQ	PKOH	Fri, Jan 12, 1996	14.00	14.00	13.31	13.63
925	NASDAQ	PKOH	Thu, Jan 11, 1996	14.25	14.50	14.25	14.38
924	NASDAQ	PKOH	Wed, Jan 10, 1996	15.25	15.25	14.38	14.50
923	NASDAQ	PKOH	Tue, Jan 9, 1996	15.75	15.75	15.38	15.38
922	NASDAQ	PKOH	Mon, Jan 8, 1996	15.75	15.75	15.75	15.75
921	NASDAQ	PKOH	Fri, Jan 5, 1996	15.75	16.13	15.75	15.88
920	NASDAQ	PKOH	Thu, Jan 4, 1996	16.13	16.38	15.88	15.88
919	NASDAQ	PKOH	Wed, Jan 3, 1996	16.13	16.38	16.13	16.38
918	NASDAQ	PKOH	Tue, Jan 2, 1996	16.13	16.38	16.13	16.38
917	NASDAQ	PKOH	Fri, Dec 29, 1995	16.38	16.38	16.13	16.13
916	NASDAQ	PKOH	Thu, Dec 28, 1995	16.25	16.50	16.13	16.13
915	NASDAQ	PKOH	Wed, Dec 27, 1995	15.75	16.25	15.75	16.25
914	NASDAQ	PKOH	Tue, Dec 26, 1995	15.50	15.88	15.50	15.63
913	NASDAQ	PKOH	Fri, Dec 22, 1995	15.44	15.63	15.25	15.63
912	NASDAQ	PKOH	Thu, Dec 21, 1995	15.25	15.75	15.25	15.63
911	NASDAQ	PKOH	Wed, Dec 20, 1995	15.50	15.75	15.25	15.38
910	NASDAQ	PKOH	Tue, Dec 19, 1995	14.75	16.00	14.75	15.25
909	NASDAQ	PKOH	Mon, Dec 18, 1995	14.88	15.00	14.75	14.75
908	NASDAQ	PKOH	Fri, Dec 15, 1995	14.75	15.13	14.63	15.13
907	NASDAQ	PKOH	Thu, Dec 14, 1995	14.63	14.75	14.50	14.63
906	NASDAQ	PKOH	Wed, Dec 13, 1995	14.25	14.38	14.25	14.25
905	NASDAQ	PKOH	Tue, Dec 12, 1995	14.50	14.63	14.25	14.25
904	NASDAQ	PKOH	Mon, Dec 11, 1995	13.13	14.50	13.13	14.25
903	NASDAQ	PKOH	Fri, Dec 8, 1995	13.38	13.38	13.13	13.31
902	NASDAQ	PKOH	Thu, Dec 7, 1995	13.13	13.25	13.00	13.13
901	NASDAQ	PKOH	Wed, Dec 6, 1995	13.00	13.06	12.88	13.06
900	NASDAQ	PKOH	Tue, Dec 5, 1995	12.88	13.13	12.88	13.00
899	NASDAQ	PKOH	Mon, Dec 4, 1995	12.88	12.88	12.88	12.88
898	NASDAQ	PKOH	Fri, Dec 1, 1995	13.13	13.13	12.75	12.88
897	NASDAQ	PKOH	Thu, Nov 30, 1995	13.00	13.00	12.75	13.00
896	NASDAQ	PKOH	Wed, Nov 29, 1995	13.00	13.00	12.75	12.75
895	NASDAQ	PKOH	Tue, Nov 28, 1995	13.25	13.25	12.75	12.75
894	NASDAQ	PKOH	Mon, Nov 27, 1995	13.63	13.63	13.13	13.13
893	NASDAQ	PKOH	Fri, Nov 24, 1995	13.38	13.63	13.38	13.50
892	NASDAQ	PKOH	Wed, Nov 22, 1995	13.38	13.44	13.38	13.38
891	NASDAQ	PKOH	Tue, Nov 21, 1995	13.38	13.44	13.38	13.38
890	NASDAQ	PKOH	Mon, Nov 20, 1995	13.63	13.63	13.38	13.50
889	NASDAQ	PKOH	Fri, Nov 17, 1995	13.25	13.50	13.25	13.50
888	NASDAQ	PKOH	Thu, Nov 16, 1995	13.25	13.63	13.25	13.25
887	NASDAQ	PKOH	Wed, Nov 15, 1995	13.44	13.44	13.25	13.25
886	NASDAQ	PKOH	Tue, Nov 14, 1995	13.25	13.44	13.25	13.25
885	NASDAQ	PKOH	Mon, Nov 13, 1995	13.50	13.63	13.25	13.38
884	NASDAQ	PKOH	Fri, Nov 10, 1995	13.63	14.00	13.56	13.69
883	NASDAQ	PKOH	Thu, Nov 9, 1995	13.75	13.75	13.63	13.63
882	NASDAQ	PKOH	Wed, Nov 8, 1995	13.75	13.75	13.75	13.75
881	NASDAQ	PKOH	Tue, Nov 7, 1995	13.88	13.88	13.88	13.88
880	NASDAQ	PKOH	Mon, Nov 6, 1995	13.88	14.00	13.88	13.88
879	NASDAQ	PKOH	Fri, Nov 3, 1995	14.25	14.25	13.88	13.88
878	NASDAQ	PKOH	Thu, Nov 2, 1995	13.88	14.25	13.88	14.06
877	NASDAQ	PKOH	Wed, Nov 1, 1995	13.75	14.38	13.75	14.00
876	NASDAQ	PKOH	Tue, Oct 31, 1995	13.00	14.38	12.88	13.75
875	NASDAQ	PKOH	Mon, Oct 30, 1995	12.75	13.13	12.63	13.13
874	NASDAQ	PKOH	Fri, Oct 27, 1995	12.50	12.75	12.38	12.75
873	NASDAQ	PKOH	Thu, Oct 26, 1995	13.38	13.38	12.50	12.50
872	NASDAQ	PKOH	Wed, Oct 25, 1995	13.94	14.13	12.25	12.84
871	NASDAQ	PKOH	Tue, Oct 24, 1995	14.88	14.88	13.88	13.88
870	NASDAQ	PKOH	Mon, Oct 23, 1995	14.88	15.13	14.88	14.88
869	NASDAQ	PKOH	Fri, Oct 20, 1995	15.63	15.63	14.88	14.88
868	NASDAQ	PKOH	Thu, Oct 19, 1995	15.25	15.63	15.00	15.38
867	NASDAQ	PKOH	Wed, Oct 18, 1995	14.50	15.13	14.38	15.13
866	NASDAQ	PKOH	Tue, Oct 17, 1995	14.25	14.50	13.88	14.50
865	NASDAQ	PKOH	Mon, Oct 16, 1995	14.00	14.06	13.88	14.00
864	NASDAQ	PKOH	Fri, Oct 13, 1995	13.88	14.25	13.88	14.25
863	NASDAQ	PKOH	Thu, Oct 12, 1995	13.88	14.25	13.88	14.00
862	NASDAQ	PKOH	Wed, Oct 11, 1995	13.50	14.13	13.50	14.13
861	NASDAQ	PKOH	Tue, Oct 10, 1995	13.88	14.00	13.75	13.75
860	NASDAQ	PKOH	Mon, Oct 9, 1995	14.25	14.25	14.00	14.00
859	NASDAQ	PKOH	Fri, Oct 6, 1995	14.25	14.63	14.25	14.25
858	NASDAQ	PKOH	Thu, Oct 5, 1995	14.25	14.25	14.25	14.25
857	NASDAQ	PKOH	Wed, Oct 4, 1995	14.38	14.44	14.25	14.44
856	NASDAQ	PKOH	Tue, Oct 3, 1995	14.38	14.75	14.38	14.38
855	NASDAQ	PKOH	Mon, Oct 2, 1995	14.50	14.75	14.50	14.75
854	NASDAQ	PKOH	Fri, Sep 29, 1995	14.50	14.63	14.50	14.50
853	NASDAQ	PKOH	Thu, Sep 28, 1995	14.75	14.75	14.75	14.75
852	NASDAQ	PKOH	Wed, Sep 27, 1995	14.50	15.00	14.50	14.75
851	NASDAQ	PKOH	Tue, Sep 26, 1995	14.50	15.25	14.50	14.50
850	NASDAQ	PKOH	Mon, Sep 25, 1995	14.50	14.75	14.38	14.75
849	NASDAQ	PKOH	Fri, Sep 22, 1995	14.50	14.50	14.25	14.25
848	NASDAQ	PKOH	Thu, Sep 21, 1995	14.38	14.50	14.25	14.25
847	NASDAQ	PKOH	Wed, Sep 20, 1995	14.38	14.38	14.13	14.25
846	NASDAQ	PKOH	Tue, Sep 19, 1995	14.25	14.38	14.13	14.38
845	NASDAQ	PKOH	Mon, Sep 18, 1995	14.38	14.63	14.25	14.25
844	NASDAQ	PKOH	Fri, Sep 15, 1995	14.63	14.63	14.38	14.44
843	NASDAQ	PKOH	Thu, Sep 14, 1995	14.38	14.63	14.38	14.63
842	NASDAQ	PKOH	Wed, Sep 13, 1995	14.38	14.63	14.38	14.44
841	NASDAQ	PKOH	Tue, Sep 12, 1995	14.38	14.75	14.38	14.38
840	NASDAQ	PKOH	Mon, Sep 11, 1995	14.38	14.75	14.38	14.75
839	NASDAQ	PKOH	Fri, Sep 8, 1995	14.38	14.75	14.38	14.50
838	NASDAQ	PKOH	Thu, Sep 7, 1995	14.25	14.75	14.25	14.75
837	NASDAQ	PKOH	Wed, Sep 6, 1995	14.25	14.25	14.13	14.25
836	NASDAQ	PKOH	Tue, Sep 5, 1995	14.13	14.19	14.13	14.19
835	NASDAQ	PKOH	Fri, Sep 1, 1995	14.13	14.25	14.13	14.25
834	NASDAQ	PKOH	Thu, Aug 31, 1995	14.13	14.25	14.13	14.25
833	NASDAQ	PKOH	Wed, Aug 30, 1995	14.38	14.38	14.13	14.13
832	NASDAQ	PKOH	Tue, Aug 29, 1995	14.63	14.63	14.13	14.31
831	NASDAQ	PKOH	Mon, Aug 28, 1995	14.88	14.88	14.25	14.25
830	NASDAQ	PKOH	Fri, Aug 25, 1995	14.88	14.88	14.75	14.75
829	NASDAQ	PKOH	Thu, Aug 24, 1995	14.88	15.00	14.88	14.88
828	NASDAQ	PKOH	Wed, Aug 23, 1995	15.00	15.00	14.88	15.00
827	NASDAQ	PKOH	Tue, Aug 22, 1995	14.88	15.13	14.88	15.00
826	NASDAQ	PKOH	Mon, Aug 21, 1995	15.13	15.38	14.94	14.94
825	NASDAQ	PKOH	Fri, Aug 18, 1995	15.00	15.38	15.00	15.38
824	NASDAQ	PKOH	Thu, Aug 17, 1995	15.38	15.38	15.00	15.00
823	NASDAQ	PKOH	Wed, Aug 16, 1995	15.06	15.38	14.88	15.00
822	NASDAQ	PKOH	Tue, Aug 15, 1995	14.88	15.13	14.88	15.00
821	NASDAQ	PKOH	Mon, Aug 14, 1995	14.88	15.13	14.88	14.88
820	NASDAQ	PKOH	Fri, Aug 11, 1995	14.88	14.94	14.88	14.88
819	NASDAQ	PKOH	Thu, Aug 10, 1995	14.88	15.13	14.88	14.88
818	NASDAQ	PKOH	Wed, Aug 9, 1995	14.88	15.13	14.88	15.00
817	NASDAQ	PKOH	Tue, Aug 8, 1995	15.00	15.00	14.88	14.88
816	NASDAQ	PKOH	Mon, Aug 7, 1995	14.88	15.13	14.88	14.88
815	NASDAQ	PKOH	Fri, Aug 4, 1995	15.00	15.13	14.88	14.88
814	NASDAQ	PKOH	Thu, Aug 3, 1995	15.38	15.38	15.00	15.00
813	NASDAQ	PKOH	Wed, Aug 2, 1995	15.38	15.38	15.13	15.13
812	NASDAQ	PKOH	Tue, Aug 1, 1995	15.00	15.75	15.00	15.13
811	NASDAQ	PKOH	Mon, Jul 31, 1995	14.75	15.00	14.50	15.00
810	NASDAQ	PKOH	Fri, Jul 28, 1995	14.75	14.75	14.50	14.63
809	NASDAQ	PKOH	Thu, Jul 27, 1995	14.25	14.69	14.25	14.69
808	NASDAQ	PKOH	Wed, Jul 26, 1995	14.25	14.38	14.25	14.31
807	NASDAQ	PKOH	Tue, Jul 25, 1995	14.00	14.38	14.00	14.13
806	NASDAQ	PKOH	Mon, Jul 24, 1995	14.25	14.25	14.00	14.00
805	NASDAQ	PKOH	Fri, Jul 21, 1995	14.38	14.38	14.13	14.13
804	NASDAQ	PKOH	Thu, Jul 20, 1995	14.25	14.38	14.00	14.13
803	NASDAQ	PKOH	Wed, Jul 19, 1995	14.00	14.06	14.00	14.00
802	NASDAQ	PKOH	Tue, Jul 18, 1995	14.25	14.38	14.00	14.13
801	NASDAQ	PKOH	Mon, Jul 17, 1995	13.75	14.25	13.75	14.00
800	NASDAQ	PKOH	Fri, Jul 14, 1995	13.88	14.00	13.75	13.88
799	NASDAQ	PKOH	Thu, Jul 13, 1995	14.00	14.00	13.75	14.00
798	NASDAQ	PKOH	Wed, Jul 12, 1995	13.75	14.00	13.75	13.88
797	NASDAQ	PKOH	Tue, Jul 11, 1995	13.75	14.00	13.75	14.00
796	NASDAQ	PKOH	Mon, Jul 10, 1995	13.75	14.00	13.75	13.75
795	NASDAQ	PKOH	Fri, Jul 7, 1995	13.13	14.00	12.75	13.75
794	NASDAQ	PKOH	Thu, Jul 6, 1995	12.38	13.00	12.25	12.88
793	NASDAQ	PKOH	Wed, Jul 5, 1995	12.13	12.38	12.00	12.25
792	NASDAQ	PKOH	Mon, Jul 3, 1995	12.00	12.00	12.00	12.00
791	NASDAQ	PKOH	Fri, Jun 30, 1995	11.63	12.00	11.63	12.00
790	NASDAQ	PKOH	Thu, Jun 29, 1995	11.75	11.75	11.63	11.69
789	NASDAQ	PKOH	Wed, Jun 28, 1995	11.63	11.75	11.44	11.63
788	NASDAQ	PKOH	Tue, Jun 27, 1995	11.38	11.63	11.25	11.63
787	NASDAQ	PKOH	Mon, Jun 26, 1995	11.50	11.75	11.13	11.19
786	NASDAQ	PKOH	Fri, Jun 23, 1995	11.88	11.88	11.63	11.75
785	NASDAQ	PKOH	Thu, Jun 22, 1995	11.88	11.88	11.63	11.63
784	NASDAQ	PKOH	Wed, Jun 21, 1995	11.63	11.69	11.63	11.69
783	NASDAQ	PKOH	Tue, Jun 20, 1995	11.69	11.88	11.63	11.63
782	NASDAQ	PKOH	Mon, Jun 19, 1995	11.88	11.88	11.63	11.88
781	NASDAQ	PKOH	Fri, Jun 16, 1995	11.63	11.88	11.63	11.75
780	NASDAQ	PKOH	Thu, Jun 15, 1995	11.88	11.88	11.63	11.63
779	NASDAQ	PKOH	Wed, Jun 14, 1995	11.63	11.88	11.63	11.75
778	NASDAQ	PKOH	Tue, Jun 13, 1995	11.75	11.88	11.63	11.63
777	NASDAQ	PKOH	Mon, Jun 12, 1995	11.88	11.88	11.63	11.88
776	NASDAQ	PKOH	Fri, Jun 9, 1995	11.88	11.88	11.63	11.63
775	NASDAQ	PKOH	Thu, Jun 8, 1995	11.50	11.88	11.13	11.88
774	NASDAQ	PKOH	Wed, Jun 7, 1995	11.50	11.50	11.13	11.13
773	NASDAQ	PKOH	Tue, Jun 6, 1995	11.25	11.50	11.13	11.38
772	NASDAQ	PKOH	Mon, Jun 5, 1995	11.38	11.50	11.13	11.13
771	NASDAQ	PKOH	Fri, Jun 2, 1995	11.38	11.50	11.38	11.38
770	NASDAQ	PKOH	Thu, Jun 1, 1995	11.50	11.50	11.38	11.38
769	NASDAQ	PKOH	Wed, May 31, 1995	11.38	11.50	11.38	11.50
768	NASDAQ	PKOH	Tue, May 30, 1995	11.38	11.63	11.38	11.38
767	NASDAQ	PKOH	Fri, May 26, 1995	11.38	11.50	11.38	11.38
766	NASDAQ	PKOH	Thu, May 25, 1995	11.38	11.63	11.38	11.38
765	NASDAQ	PKOH	Wed, May 24, 1995	11.50	11.88	11.38	11.38
764	NASDAQ	PKOH	Tue, May 23, 1995	11.88	11.88	11.56	11.69
763	NASDAQ	PKOH	Mon, May 22, 1995	11.75	11.75	11.50	11.63
762	NASDAQ	PKOH	Fri, May 19, 1995	11.75	11.75	11.50	11.75
761	NASDAQ	PKOH	Thu, May 18, 1995	11.88	11.88	11.56	11.56
760	NASDAQ	PKOH	Wed, May 17, 1995	11.88	12.13	11.75	11.81
759	NASDAQ	PKOH	Tue, May 16, 1995	12.38	12.38	11.88	12.13
758	NASDAQ	PKOH	Mon, May 15, 1995	12.00	12.38	12.00	12.00
757	NASDAQ	PKOH	Fri, May 12, 1995	12.13	12.38	12.13	12.13
756	NASDAQ	PKOH	Thu, May 11, 1995	12.00	12.38	12.00	12.13
755	NASDAQ	PKOH	Wed, May 10, 1995	12.25	12.38	12.13	12.25
754	NASDAQ	PKOH	Tue, May 9, 1995	11.88	12.25	11.88	12.13
753	NASDAQ	PKOH	Mon, May 8, 1995	11.88	12.00	11.50	12.00
752	NASDAQ	PKOH	Fri, May 5, 1995	11.50	11.88	11.50	11.63
751	NASDAQ	PKOH	Thu, May 4, 1995	11.88	11.88	11.50	11.63
750	NASDAQ	PKOH	Wed, May 3, 1995	11.38	11.75	11.00	11.50
749	NASDAQ	PKOH	Tue, May 2, 1995	11.38	11.38	10.88	11.13
748	NASDAQ	PKOH	Mon, May 1, 1995	10.88	11.38	10.88	11.31
747	NASDAQ	PKOH	Fri, Apr 28, 1995	10.88	11.38	10.88	11.38
746	NASDAQ	PKOH	Thu, Apr 27, 1995	11.00	11.38	10.88	11.00
745	NASDAQ	PKOH	Wed, Apr 26, 1995	11.25	11.50	11.00	11.38
744	NASDAQ	PKOH	Tue, Apr 25, 1995	11.25	11.63	11.25	11.25
743	NASDAQ	PKOH	Mon, Apr 24, 1995	11.13	11.63	11.13	11.38
742	NASDAQ	PKOH	Fri, Apr 21, 1995	11.13	11.63	11.13	11.63
741	NASDAQ	PKOH	Thu, Apr 20, 1995	11.13	11.63	11.13	11.25
740	NASDAQ	PKOH	Wed, Apr 19, 1995	11.63	11.63	11.13	11.50
739	NASDAQ	PKOH	Tue, Apr 18, 1995	11.38	11.63	11.13	11.38
738	NASDAQ	PKOH	Mon, Apr 17, 1995	11.25	11.63	11.13	11.63
737	NASDAQ	PKOH	Thu, Apr 13, 1995	11.13	11.63	11.13	11.63
736	NASDAQ	PKOH	Wed, Apr 12, 1995	11.63	11.63	11.00	11.50
735	NASDAQ	PKOH	Tue, Apr 11, 1995	11.25	11.63	11.13	11.63
734	NASDAQ	PKOH	Mon, Apr 10, 1995	11.38	11.38	11.00	11.25
733	NASDAQ	PKOH	Fri, Apr 7, 1995	11.00	11.38	11.00	11.25
732	NASDAQ	PKOH	Thu, Apr 6, 1995	11.38	11.38	11.13	11.38
731	NASDAQ	PKOH	Wed, Apr 5, 1995	11.50	11.50	11.00	11.50
730	NASDAQ	PKOH	Tue, Apr 4, 1995	11.00	11.50	11.00	11.50
729	NASDAQ	PKOH	Mon, Apr 3, 1995	11.50	11.50	11.00	11.13
728	NASDAQ	PKOH	Fri, Mar 31, 1995	11.50	11.50	11.00	11.50
727	NASDAQ	PKOH	Thu, Mar 30, 1995	11.00	11.50	11.00	11.50
726	NASDAQ	PKOH	Wed, Mar 29, 1995	11.00	11.50	11.00	11.50
725	NASDAQ	PKOH	Tue, Mar 28, 1995	10.75	11.50	10.75	11.50
724	NASDAQ	PKOH	Mon, Mar 27, 1995	11.13	11.75	10.75	10.75
723	NASDAQ	PKOH	Fri, Mar 24, 1995	11.25	11.75	11.25	11.75
722	NASDAQ	PKOH	Thu, Mar 23, 1995	10.88	11.63	10.75	11.63
721	NASDAQ	PKOH	Wed, Mar 22, 1995	11.63	12.50	11.25	11.25
720	NASDAQ	PKOH	Tue, Mar 21, 1995	10.50	11.50	10.50	11.25
719	NASDAQ	PKOH	Mon, Mar 20, 1995	13.00	13.00	10.13	10.63
718	NASDAQ	PKOH	Fri, Mar 17, 1995	12.50	13.00	12.50	12.50
717	NASDAQ	PKOH	Thu, Mar 16, 1995	12.63	13.00	12.50	12.50
716	NASDAQ	PKOH	Wed, Mar 15, 1995	12.50	12.88	12.50	12.63
715	NASDAQ	PKOH	Tue, Mar 14, 1995	13.25	13.25	12.50	12.88
714	NASDAQ	PKOH	Mon, Mar 13, 1995	12.88	13.25	12.88	12.88
713	NASDAQ	PKOH	Fri, Mar 10, 1995	12.88	13.25	12.88	12.88
712	NASDAQ	PKOH	Thu, Mar 9, 1995	12.88	13.00	12.88	12.88
711	NASDAQ	PKOH	Wed, Mar 8, 1995	13.50	13.50	12.88	13.00
710	NASDAQ	PKOH	Tue, Mar 7, 1995	13.63	13.63	13.13	13.13
709	NASDAQ	PKOH	Mon, Mar 6, 1995	13.50	13.63	13.38	13.63
708	NASDAQ	PKOH	Fri, Mar 3, 1995	13.63	13.63	13.25	13.63
707	NASDAQ	PKOH	Thu, Mar 2, 1995	13.75	13.75	13.25	13.25
706	NASDAQ	PKOH	Wed, Mar 1, 1995	13.75	14.00	13.00	13.50
705	NASDAQ	PKOH	Tue, Feb 28, 1995	13.19	13.75	13.00	13.75
704	NASDAQ	PKOH	Mon, Feb 27, 1995	13.00	13.00	13.00	13.00
703	NASDAQ	PKOH	Fri, Feb 24, 1995	13.00	13.38	13.00	13.00
702	NASDAQ	PKOH	Thu, Feb 23, 1995	13.00	13.00	13.00	13.00
701	NASDAQ	PKOH	Wed, Feb 22, 1995	13.50	13.50	13.00	13.38
700	NASDAQ	PKOH	Tue, Feb 21, 1995	13.38	13.63	13.25	13.25
699	NASDAQ	PKOH	Fri, Feb 17, 1995	13.25	13.75	13.25	13.38
698	NASDAQ	PKOH	Thu, Feb 16, 1995	13.75	13.75	13.50	13.50
697	NASDAQ	PKOH	Wed, Feb 15, 1995	13.75	13.75	13.50	13.50
696	NASDAQ	PKOH	Tue, Feb 14, 1995	13.50	13.50	13.50	13.50
695	NASDAQ	PKOH	Mon, Feb 13, 1995	13.75	13.75	13.50	13.50
694	NASDAQ	PKOH	Fri, Feb 10, 1995	13.50	13.75	13.50	13.50
693	NASDAQ	PKOH	Thu, Feb 9, 1995	13.75	13.75	13.50	13.50
692	NASDAQ	PKOH	Wed, Feb 8, 1995	14.00	14.00	13.75	14.00
691	NASDAQ	PKOH	Tue, Feb 7, 1995	14.25	14.25	13.50	13.63
690	NASDAQ	PKOH	Mon, Feb 6, 1995	13.63	13.63	13.63	13.63
689	NASDAQ	PKOH	Fri, Feb 3, 1995	13.63	13.63	13.38	13.38
688	NASDAQ	PKOH	Thu, Feb 2, 1995	13.63	13.63	13.63	13.63
687	NASDAQ	PKOH	Wed, Feb 1, 1995	13.38	13.63	13.38	13.50
686	NASDAQ	PKOH	Tue, Jan 31, 1995	13.63	13.63	13.38	13.38
685	NASDAQ	PKOH	Mon, Jan 30, 1995	13.63	13.63	13.38	13.38
684	NASDAQ	PKOH	Fri, Jan 27, 1995	13.50	13.63	13.25	13.63
683	NASDAQ	PKOH	Thu, Jan 26, 1995	13.13	13.38	13.13	13.25
682	NASDAQ	PKOH	Wed, Jan 25, 1995	13.06	13.25	13.00	13.00
681	NASDAQ	PKOH	Tue, Jan 24, 1995	13.13	13.13	12.75	13.13
680	NASDAQ	PKOH	Mon, Jan 23, 1995	13.00	13.13	12.75	13.00
679	NASDAQ	PKOH	Fri, Jan 20, 1995	12.75	12.88	12.75	12.88
678	NASDAQ	PKOH	Thu, Jan 19, 1995	12.75	13.13	12.75	13.00
677	NASDAQ	PKOH	Wed, Jan 18, 1995	12.75	13.13	12.75	13.13
676	NASDAQ	PKOH	Tue, Jan 17, 1995	13.13	13.13	12.81	13.00
675	NASDAQ	PKOH	Mon, Jan 16, 1995	12.88	13.13	12.88	13.13
674	NASDAQ	PKOH	Fri, Jan 13, 1995	13.00	13.13	12.88	13.06
673	NASDAQ	PKOH	Thu, Jan 12, 1995	13.13	13.13	12.88	13.00
672	NASDAQ	PKOH	Wed, Jan 11, 1995	13.00	13.13	12.88	12.88
671	NASDAQ	PKOH	Tue, Jan 10, 1995	13.13	13.13	13.00	13.00
670	NASDAQ	PKOH	Mon, Jan 9, 1995	13.13	13.13	13.00	13.00
669	NASDAQ	PKOH	Fri, Jan 6, 1995	13.00	13.13	12.81	13.00
668	NASDAQ	PKOH	Thu, Jan 5, 1995	13.00	13.13	12.63	12.69
667	NASDAQ	PKOH	Wed, Jan 4, 1995	13.25	13.25	13.00	13.06
666	NASDAQ	PKOH	Tue, Jan 3, 1995	12.94	13.25	12.94	13.19
665	NASDAQ	PKOH	Fri, Dec 30, 1994	12.88	13.25	12.88	12.88
664	NASDAQ	PKOH	Thu, Dec 29, 1994	13.25	13.25	12.88	12.88
663	NASDAQ	PKOH	Wed, Dec 28, 1994	13.00	13.25	12.88	12.88
662	NASDAQ	PKOH	Tue, Dec 27, 1994	13.00	13.06	13.00	13.00
661	NASDAQ	PKOH	Fri, Dec 23, 1994	13.00	13.00	12.88	13.00
660	NASDAQ	PKOH	Thu, Dec 22, 1994	12.88	13.13	12.88	12.88
659	NASDAQ	PKOH	Wed, Dec 21, 1994	13.25	13.25	12.88	13.25
658	NASDAQ	PKOH	Tue, Dec 20, 1994	12.88	13.00	12.88	13.00
657	NASDAQ	PKOH	Mon, Dec 19, 1994	13.25	13.25	13.25	13.25
656	NASDAQ	PKOH	Fri, Dec 16, 1994	13.25	13.25	12.88	12.88
655	NASDAQ	PKOH	Thu, Dec 15, 1994	12.88	13.25	12.88	13.25
654	NASDAQ	PKOH	Wed, Dec 14, 1994	13.25	13.25	12.88	12.88
653	NASDAQ	PKOH	Tue, Dec 13, 1994	12.88	13.25	12.88	13.25
652	NASDAQ	PKOH	Mon, Dec 12, 1994	12.94	13.00	12.88	12.88
651	NASDAQ	PKOH	Fri, Dec 9, 1994	13.00	13.25	12.88	13.25
650	NASDAQ	PKOH	Thu, Dec 8, 1994	13.00	13.25	13.00	13.25
649	NASDAQ	PKOH	Wed, Dec 7, 1994	13.25	13.25	13.00	13.00
648	NASDAQ	PKOH	Tue, Dec 6, 1994	13.06	13.25	13.06	13.25
647	NASDAQ	PKOH	Fri, Dec 2, 1994	13.00	13.25	13.00	13.25
646	NASDAQ	PKOH	Thu, Dec 1, 1994	13.00	13.13	13.00	13.13
645	NASDAQ	PKOH	Wed, Nov 30, 1994	13.00	13.25	13.00	13.25
644	NASDAQ	PKOH	Tue, Nov 29, 1994	13.00	13.13	13.00	13.13
643	NASDAQ	PKOH	Mon, Nov 28, 1994	13.00	13.25	13.00	13.13
642	NASDAQ	PKOH	Fri, Nov 25, 1994	13.00	13.00	13.00	13.00
641	NASDAQ	PKOH	Wed, Nov 23, 1994	13.00	13.00	13.00	13.00
640	NASDAQ	PKOH	Mon, Nov 21, 1994	13.25	13.25	13.00	13.25
639	NASDAQ	PKOH	Fri, Nov 18, 1994	13.00	13.25	13.00	13.00
638	NASDAQ	PKOH	Thu, Nov 17, 1994	13.00	13.00	13.00	13.00
637	NASDAQ	PKOH	Wed, Nov 16, 1994	13.13	13.13	13.00	13.00
636	NASDAQ	PKOH	Tue, Nov 15, 1994	13.13	13.13	13.00	13.00
635	NASDAQ	PKOH	Mon, Nov 14, 1994	13.00	13.13	13.00	13.06
634	NASDAQ	PKOH	Fri, Nov 11, 1994	13.13	13.13	12.75	13.00
633	NASDAQ	PKOH	Thu, Nov 10, 1994	12.75	12.88	12.75	12.75
632	NASDAQ	PKOH	Wed, Nov 9, 1994	12.75	13.00	12.75	13.00
631	NASDAQ	PKOH	Tue, Nov 8, 1994	13.00	13.00	12.75	12.75
630	NASDAQ	PKOH	Mon, Nov 7, 1994	12.88	13.00	12.75	13.00
629	NASDAQ	PKOH	Fri, Nov 4, 1994	13.00	13.13	12.94	13.00
628	NASDAQ	PKOH	Thu, Nov 3, 1994	13.25	13.38	13.00	13.00
627	NASDAQ	PKOH	Wed, Nov 2, 1994	13.50	13.50	13.13	13.25
626	NASDAQ	PKOH	Tue, Nov 1, 1994	13.13	13.50	13.13	13.13
625	NASDAQ	PKOH	Mon, Oct 31, 1994	13.50	13.50	13.13	13.50
624	NASDAQ	PKOH	Fri, Oct 28, 1994	13.63	13.88	13.25	13.50
623	NASDAQ	PKOH	Thu, Oct 27, 1994	14.13	14.13	13.63	13.69
622	NASDAQ	PKOH	Wed, Oct 26, 1994	14.00	14.13	13.63	13.75
621	NASDAQ	PKOH	Tue, Oct 25, 1994	13.75	14.00	13.75	13.88
620	NASDAQ	PKOH	Mon, Oct 24, 1994	13.75	14.13	13.75	14.13
619	NASDAQ	PKOH	Fri, Oct 21, 1994	14.13	14.13	13.75	13.88
618	NASDAQ	PKOH	Thu, Oct 20, 1994	14.13	14.13	13.75	14.13
617	NASDAQ	PKOH	Wed, Oct 19, 1994	13.88	14.13	13.88	14.13
616	NASDAQ	PKOH	Tue, Oct 18, 1994	14.00	14.13	13.88	14.13
615	NASDAQ	PKOH	Mon, Oct 17, 1994	13.38	14.13	13.25	13.88
614	NASDAQ	PKOH	Fri, Oct 14, 1994	13.00	13.38	13.00	13.13
613	NASDAQ	PKOH	Thu, Oct 13, 1994	13.13	13.13	13.00	13.13
612	NASDAQ	PKOH	Wed, Oct 12, 1994	13.13	13.13	13.00	13.00
611	NASDAQ	PKOH	Tue, Oct 11, 1994	13.13	13.13	12.88	13.00
610	NASDAQ	PKOH	Mon, Oct 10, 1994	12.75	13.13	12.75	13.00
609	NASDAQ	PKOH	Fri, Oct 7, 1994	12.63	13.13	12.63	13.13
608	NASDAQ	PKOH	Thu, Oct 6, 1994	13.13	13.13	12.63	13.13
607	NASDAQ	PKOH	Wed, Oct 5, 1994	12.75	13.13	12.63	13.13
606	NASDAQ	PKOH	Tue, Oct 4, 1994	12.88	13.25	12.88	12.88
605	NASDAQ	PKOH	Mon, Oct 3, 1994	12.88	13.13	12.88	12.88
604	NASDAQ	PKOH	Fri, Sep 30, 1994	13.00	13.25	12.88	13.00
603	NASDAQ	PKOH	Thu, Sep 29, 1994	12.88	13.00	12.63	12.75
602	NASDAQ	PKOH	Wed, Sep 28, 1994	12.88	12.88	12.38	12.63
601	NASDAQ	PKOH	Tue, Sep 27, 1994	13.38	13.75	12.50	12.50
600	NASDAQ	PKOH	Mon, Sep 26, 1994	13.38	13.75	13.38	13.75
599	NASDAQ	PKOH	Fri, Sep 23, 1994	13.38	13.75	13.38	13.75
598	NASDAQ	PKOH	Thu, Sep 22, 1994	13.38	13.63	13.38	13.63
597	NASDAQ	PKOH	Wed, Sep 21, 1994	13.63	13.63	13.50	13.50
596	NASDAQ	PKOH	Tue, Sep 20, 1994	13.50	13.75	13.50	13.50
595	NASDAQ	PKOH	Mon, Sep 19, 1994	13.50	13.75	13.50	13.75
594	NASDAQ	PKOH	Fri, Sep 16, 1994	13.75	13.75	13.50	13.75
593	NASDAQ	PKOH	Thu, Sep 15, 1994	13.75	13.75	13.38	13.50
592	NASDAQ	PKOH	Wed, Sep 14, 1994	13.38	13.69	13.38	13.63
591	NASDAQ	PKOH	Tue, Sep 13, 1994	13.38	13.75	13.38	13.75
590	NASDAQ	PKOH	Mon, Sep 12, 1994	13.75	13.75	13.38	13.38
589	NASDAQ	PKOH	Fri, Sep 9, 1994	13.63	13.75	13.38	13.38
588	NASDAQ	PKOH	Thu, Sep 8, 1994	13.38	13.75	13.38	13.38
587	NASDAQ	PKOH	Wed, Sep 7, 1994	13.75	13.75	13.38	13.38
586	NASDAQ	PKOH	Tue, Sep 6, 1994	14.00	14.00	13.88	13.88
585	NASDAQ	PKOH	Fri, Sep 2, 1994	14.00	14.00	13.63	13.63
584	NASDAQ	PKOH	Thu, Sep 1, 1994	14.00	14.00	13.63	13.63
583	NASDAQ	PKOH	Wed, Aug 31, 1994	13.88	14.00	13.63	14.00
582	NASDAQ	PKOH	Tue, Aug 30, 1994	13.63	13.81	13.63	13.75
581	NASDAQ	PKOH	Mon, Aug 29, 1994	13.63	14.00	13.63	13.75
580	NASDAQ	PKOH	Fri, Aug 26, 1994	13.63	13.88	13.63	13.88
579	NASDAQ	PKOH	Thu, Aug 25, 1994	13.75	13.88	13.63	13.63
578	NASDAQ	PKOH	Wed, Aug 24, 1994	13.88	14.00	13.88	13.88
577	NASDAQ	PKOH	Tue, Aug 23, 1994	13.75	14.13	13.75	14.13
576	NASDAQ	PKOH	Mon, Aug 22, 1994	13.75	14.13	13.75	14.13
575	NASDAQ	PKOH	Fri, Aug 19, 1994	13.75	14.13	13.75	14.00
574	NASDAQ	PKOH	Thu, Aug 18, 1994	14.00	14.13	13.75	14.13
573	NASDAQ	PKOH	Wed, Aug 17, 1994	13.75	14.13	13.75	13.75
572	NASDAQ	PKOH	Tue, Aug 16, 1994	13.75	13.75	13.75	13.75
571	NASDAQ	PKOH	Mon, Aug 15, 1994	13.75	14.13	13.75	13.75
570	NASDAQ	PKOH	Fri, Aug 12, 1994	13.75	14.13	13.75	13.88
569	NASDAQ	PKOH	Thu, Aug 11, 1994	14.13	14.13	13.75	13.75
568	NASDAQ	PKOH	Wed, Aug 10, 1994	14.13	14.13	13.75	13.75
567	NASDAQ	PKOH	Tue, Aug 9, 1994	13.75	14.13	13.75	13.75
566	NASDAQ	PKOH	Mon, Aug 8, 1994	13.88	14.13	13.88	14.13
565	NASDAQ	PKOH	Fri, Aug 5, 1994	13.75	13.75	13.75	13.75
564	NASDAQ	PKOH	Thu, Aug 4, 1994	14.00	14.00	13.75	13.75
563	NASDAQ	PKOH	Wed, Aug 3, 1994	13.75	14.25	13.75	14.06
562	NASDAQ	PKOH	Tue, Aug 2, 1994	13.75	14.13	13.75	14.13
561	NASDAQ	PKOH	Mon, Aug 1, 1994	14.13	14.13	13.88	13.88
560	NASDAQ	PKOH	Fri, Jul 29, 1994	14.13	14.13	13.88	14.00
559	NASDAQ	PKOH	Thu, Jul 28, 1994	14.38	14.38	13.75	13.75
558	NASDAQ	PKOH	Wed, Jul 27, 1994	14.75	14.75	14.13	14.13
557	NASDAQ	PKOH	Tue, Jul 26, 1994	14.50	14.75	14.50	14.75
556	NASDAQ	PKOH	Mon, Jul 25, 1994	14.63	14.75	14.50	14.50
555	NASDAQ	PKOH	Fri, Jul 22, 1994	14.50	14.56	14.50	14.50
554	NASDAQ	PKOH	Thu, Jul 21, 1994	14.75	14.75	14.50	14.75
553	NASDAQ	PKOH	Wed, Jul 20, 1994	14.63	14.88	14.63	14.63
552	NASDAQ	PKOH	Tue, Jul 19, 1994	15.63	15.63	14.75	15.13
551	NASDAQ	PKOH	Mon, Jul 18, 1994	15.38	15.75	15.25	15.63
550	NASDAQ	PKOH	Fri, Jul 15, 1994	15.13	15.38	14.88	15.38
549	NASDAQ	PKOH	Thu, Jul 14, 1994	14.75	15.00	14.50	15.00
548	NASDAQ	PKOH	Wed, Jul 13, 1994	14.25	14.75	14.25	14.69
547	NASDAQ	PKOH	Tue, Jul 12, 1994	13.88	14.25	13.88	14.13
546	NASDAQ	PKOH	Mon, Jul 11, 1994	13.88	14.25	13.50	13.88
545	NASDAQ	PKOH	Fri, Jul 8, 1994	13.88	13.88	13.88	13.88
544	NASDAQ	PKOH	Thu, Jul 7, 1994	13.13	13.75	13.00	13.69
543	NASDAQ	PKOH	Wed, Jul 6, 1994	13.13	13.13	13.13	13.13
542	NASDAQ	PKOH	Tue, Jul 5, 1994	12.88	13.13	12.88	13.13
541	NASDAQ	PKOH	Fri, Jul 1, 1994	13.13	13.13	12.88	13.13
540	NASDAQ	PKOH	Thu, Jun 30, 1994	12.75	13.13	12.75	13.13
539	NASDAQ	PKOH	Wed, Jun 29, 1994	12.50	13.00	12.38	13.00
538	NASDAQ	PKOH	Tue, Jun 28, 1994	12.63	13.00	12.50	12.50
537	NASDAQ	PKOH	Mon, Jun 27, 1994	13.25	13.25	12.63	13.00
536	NASDAQ	PKOH	Fri, Jun 24, 1994	13.63	13.75	13.25	13.25
535	NASDAQ	PKOH	Thu, Jun 23, 1994	14.63	14.63	13.75	13.75
534	NASDAQ	PKOH	Wed, Jun 22, 1994	14.88	14.88	14.50	14.88
533	NASDAQ	PKOH	Tue, Jun 21, 1994	14.88	15.00	14.50	14.50
532	NASDAQ	PKOH	Mon, Jun 20, 1994	14.88	14.88	14.88	14.88
531	NASDAQ	PKOH	Fri, Jun 17, 1994	15.38	15.38	15.38	15.38
530	NASDAQ	PKOH	Thu, Jun 16, 1994	15.00	15.00	15.00	15.00
529	NASDAQ	PKOH	Wed, Jun 15, 1994	15.00	15.25	15.00	15.00
528	NASDAQ	PKOH	Tue, Jun 14, 1994	15.00	15.38	15.00	15.00
527	NASDAQ	PKOH	Mon, Jun 13, 1994	15.00	15.00	15.00	15.00
526	NASDAQ	PKOH	Fri, Jun 10, 1994	15.38	15.38	15.00	15.00
525	NASDAQ	PKOH	Thu, Jun 9, 1994	15.38	15.38	15.00	15.00
524	NASDAQ	PKOH	Wed, Jun 8, 1994	15.00	15.38	15.00	15.38
523	NASDAQ	PKOH	Tue, Jun 7, 1994	15.00	15.38	15.00	15.00
522	NASDAQ	PKOH	Mon, Jun 6, 1994	15.00	15.38	15.00	15.13
521	NASDAQ	PKOH	Fri, Jun 3, 1994	15.00	15.38	15.00	15.00
520	NASDAQ	PKOH	Thu, Jun 2, 1994	15.00	15.00	15.00	15.00
519	NASDAQ	PKOH	Wed, Jun 1, 1994	15.00	15.38	15.00	15.25
518	NASDAQ	PKOH	Tue, May 31, 1994	15.00	15.38	15.00	15.13
517	NASDAQ	PKOH	Fri, May 27, 1994	15.00	15.00	15.00	15.00
516	NASDAQ	PKOH	Thu, May 26, 1994	15.19	15.38	15.00	15.38
515	NASDAQ	PKOH	Wed, May 25, 1994	15.13	15.38	15.00	15.00
514	NASDAQ	PKOH	Tue, May 24, 1994	15.38	15.38	15.13	15.25
513	NASDAQ	PKOH	Mon, May 23, 1994	15.25	15.50	15.25	15.25
512	NASDAQ	PKOH	Fri, May 20, 1994	15.50	15.63	15.25	15.50
511	NASDAQ	PKOH	Thu, May 19, 1994	15.13	15.50	15.13	15.38
510	NASDAQ	PKOH	Wed, May 18, 1994	15.50	15.50	15.13	15.38
509	NASDAQ	PKOH	Tue, May 17, 1994	15.00	15.50	15.00	15.38
508	NASDAQ	PKOH	Mon, May 16, 1994	14.63	15.38	14.63	15.38
507	NASDAQ	PKOH	Fri, May 13, 1994	14.75	15.13	14.75	15.13
506	NASDAQ	PKOH	Thu, May 12, 1994	15.38	15.50	14.75	14.88
505	NASDAQ	PKOH	Wed, May 11, 1994	16.13	16.13	15.38	15.75
504	NASDAQ	PKOH	Tue, May 10, 1994	16.00	16.13	15.88	15.88
503	NASDAQ	PKOH	Mon, May 9, 1994	15.63	15.75	15.63	15.63
502	NASDAQ	PKOH	Fri, May 6, 1994	15.63	15.63	15.63	15.63
501	NASDAQ	PKOH	Thu, May 5, 1994	15.75	15.88	15.63	15.88
500	NASDAQ	PKOH	Wed, May 4, 1994	15.50	15.75	15.50	15.50
499	NASDAQ	PKOH	Tue, May 3, 1994	15.75	16.00	15.50	15.88
498	NASDAQ	PKOH	Mon, May 2, 1994	16.13	16.38	15.88	15.88
497	NASDAQ	PKOH	Fri, Apr 29, 1994	16.38	16.38	16.00	16.38
496	NASDAQ	PKOH	Thu, Apr 28, 1994	16.00	16.38	16.00	16.38
495	NASDAQ	PKOH	Tue, Apr 26, 1994	16.13	16.25	16.00	16.00
494	NASDAQ	PKOH	Mon, Apr 25, 1994	16.13	16.38	16.13	16.13
493	NASDAQ	PKOH	Fri, Apr 22, 1994	16.38	16.50	16.13	16.13
492	NASDAQ	PKOH	Thu, Apr 21, 1994	16.38	16.50	16.25	16.38
491	NASDAQ	PKOH	Wed, Apr 20, 1994	16.38	16.63	16.38	16.63
490	NASDAQ	PKOH	Tue, Apr 19, 1994	16.25	16.75	16.25	16.63
489	NASDAQ	PKOH	Mon, Apr 18, 1994	16.50	16.63	16.25	16.25
488	NASDAQ	PKOH	Fri, Apr 15, 1994	15.63	16.63	15.50	16.38
487	NASDAQ	PKOH	Thu, Apr 14, 1994	15.63	15.63	15.50	15.50
486	NASDAQ	PKOH	Wed, Apr 13, 1994	16.13	16.25	15.63	15.63
485	NASDAQ	PKOH	Tue, Apr 12, 1994	16.75	16.88	16.00	16.00
484	NASDAQ	PKOH	Mon, Apr 11, 1994	17.00	17.13	16.75	16.75
483	NASDAQ	PKOH	Fri, Apr 8, 1994	16.00	16.88	15.88	16.88
482	NASDAQ	PKOH	Thu, Apr 7, 1994	15.13	15.88	15.00	15.88
481	NASDAQ	PKOH	Wed, Apr 6, 1994	15.00	15.13	14.63	15.13
480	NASDAQ	PKOH	Tue, Apr 5, 1994	14.88	15.00	14.63	15.00
479	NASDAQ	PKOH	Mon, Apr 4, 1994	14.13	14.75	14.13	14.75
478	NASDAQ	PKOH	Thu, Mar 31, 1994	14.50	14.75	14.38	14.63
477	NASDAQ	PKOH	Wed, Mar 30, 1994	14.25	14.75	13.50	14.75
476	NASDAQ	PKOH	Tue, Mar 29, 1994	15.38	15.50	14.50	14.50
475	NASDAQ	PKOH	Mon, Mar 28, 1994	16.50	16.50	15.38	15.38
474	NASDAQ	PKOH	Fri, Mar 25, 1994	16.38	16.50	16.25	16.50
473	NASDAQ	PKOH	Thu, Mar 24, 1994	16.75	17.00	16.25	16.25
472	NASDAQ	PKOH	Wed, Mar 23, 1994	16.88	17.13	16.88	16.88
471	NASDAQ	PKOH	Tue, Mar 22, 1994	17.38	17.63	17.00	17.00
470	NASDAQ	PKOH	Mon, Mar 21, 1994	17.50	17.63	17.38	17.63
469	NASDAQ	PKOH	Fri, Mar 18, 1994	17.38	17.50	17.38	17.50
468	NASDAQ	PKOH	Thu, Mar 17, 1994	17.75	17.75	17.38	17.38
467	NASDAQ	PKOH	Wed, Mar 16, 1994	18.13	18.13	17.38	17.75
466	NASDAQ	PKOH	Tue, Mar 15, 1994	17.63	18.00	17.38	18.00
465	NASDAQ	PKOH	Mon, Mar 14, 1994	17.00	17.63	17.00	17.63
464	NASDAQ	PKOH	Fri, Mar 11, 1994	16.88	17.25	16.88	17.25
463	NASDAQ	PKOH	Thu, Mar 10, 1994	16.88	17.25	16.88	16.88
462	NASDAQ	PKOH	Wed, Mar 9, 1994	17.00	17.13	16.88	16.88
461	NASDAQ	PKOH	Tue, Mar 8, 1994	16.75	17.25	16.50	17.00
460	NASDAQ	PKOH	Mon, Mar 7, 1994	16.38	16.75	16.38	16.75
459	NASDAQ	PKOH	Fri, Mar 4, 1994	16.75	16.75	16.38	16.75
458	NASDAQ	PKOH	Thu, Mar 3, 1994	16.00	16.75	16.00	16.38
457	NASDAQ	PKOH	Wed, Mar 2, 1994	16.38	16.38	15.88	16.25
456	NASDAQ	PKOH	Tue, Mar 1, 1994	16.13	16.75	16.13	16.50
455	NASDAQ	PKOH	Mon, Feb 28, 1994	15.38	16.38	15.38	16.38
454	NASDAQ	PKOH	Fri, Feb 25, 1994	14.50	15.63	14.50	15.50
453	NASDAQ	PKOH	Thu, Feb 24, 1994	14.00	14.50	13.75	14.50
452	NASDAQ	PKOH	Wed, Feb 23, 1994	14.00	14.13	13.75	13.88
451	NASDAQ	PKOH	Tue, Feb 22, 1994	13.88	14.13	13.75	13.75
450	NASDAQ	PKOH	Fri, Feb 18, 1994	14.88	14.88	13.88	14.13
449	NASDAQ	PKOH	Thu, Feb 17, 1994	14.38	14.88	14.25	14.75
448	NASDAQ	PKOH	Wed, Feb 16, 1994	14.50	14.50	14.13	14.50
447	NASDAQ	PKOH	Tue, Feb 15, 1994	14.00	14.38	14.00	14.13
446	NASDAQ	PKOH	Mon, Feb 14, 1994	14.00	14.38	14.00	14.25
445	NASDAQ	PKOH	Fri, Feb 11, 1994	14.38	14.38	14.25	14.25
444	NASDAQ	PKOH	Thu, Feb 10, 1994	14.38	14.38	14.25	14.25
443	NASDAQ	PKOH	Wed, Feb 9, 1994	14.25	14.38	14.25	14.38
442	NASDAQ	PKOH	Tue, Feb 8, 1994	14.38	14.38	14.25	14.25
441	NASDAQ	PKOH	Mon, Feb 7, 1994	14.25	14.38	14.00	14.38
440	NASDAQ	PKOH	Fri, Feb 4, 1994	14.38	14.38	14.38	14.38
439	NASDAQ	PKOH	Thu, Feb 3, 1994	14.38	14.50	14.38	14.38
438	NASDAQ	PKOH	Wed, Feb 2, 1994	14.75	14.75	14.38	14.63
437	NASDAQ	PKOH	Tue, Feb 1, 1994	14.38	14.75	14.38	14.75
436	NASDAQ	PKOH	Mon, Jan 31, 1994	14.38	14.63	14.13	14.63
435	NASDAQ	PKOH	Fri, Jan 28, 1994	14.13	14.50	14.13	14.50
434	NASDAQ	PKOH	Thu, Jan 27, 1994	14.50	14.50	14.13	14.25
433	NASDAQ	PKOH	Wed, Jan 26, 1994	14.63	14.63	14.13	14.13
432	NASDAQ	PKOH	Tue, Jan 25, 1994	15.00	15.00	14.38	14.38
431	NASDAQ	PKOH	Mon, Jan 24, 1994	15.13	15.38	14.63	14.63
430	NASDAQ	PKOH	Fri, Jan 21, 1994	15.00	15.38	14.88	15.25
429	NASDAQ	PKOH	Thu, Jan 20, 1994	14.50	14.88	14.13	14.88
428	NASDAQ	PKOH	Wed, Jan 19, 1994	13.88	14.50	13.88	14.25
427	NASDAQ	PKOH	Tue, Jan 18, 1994	14.00	14.13	13.88	14.00
426	NASDAQ	PKOH	Mon, Jan 17, 1994	13.88	13.88	13.63	13.88
425	NASDAQ	PKOH	Fri, Jan 14, 1994	13.88	13.88	13.63	13.63
424	NASDAQ	PKOH	Thu, Jan 13, 1994	13.63	13.88	13.63	13.63
423	NASDAQ	PKOH	Wed, Jan 12, 1994	13.50	13.88	13.50	13.88
422	NASDAQ	PKOH	Tue, Jan 11, 1994	13.50	13.88	13.50	13.50
421	NASDAQ	PKOH	Mon, Jan 10, 1994	13.63	13.75	13.50	13.50
420	NASDAQ	PKOH	Fri, Jan 7, 1994	13.00	13.63	13.00	13.38
419	NASDAQ	PKOH	Thu, Jan 6, 1994	13.00	13.25	13.00	13.00
418	NASDAQ	PKOH	Wed, Jan 5, 1994	12.88	13.25	12.88	13.00
417	NASDAQ	PKOH	Tue, Jan 4, 1994	13.25	13.25	12.88	13.25
416	NASDAQ	PKOH	Mon, Jan 3, 1994	12.63	13.25	12.63	13.25
415	NASDAQ	PKOH	Fri, Dec 31, 1993	12.88	12.88	12.63	12.88
414	NASDAQ	PKOH	Thu, Dec 30, 1993	12.63	13.00	12.38	12.63
413	NASDAQ	PKOH	Wed, Dec 29, 1993	11.88	12.38	11.75	12.38
412	NASDAQ	PKOH	Tue, Dec 28, 1993	12.00	12.00	11.63	11.63
411	NASDAQ	PKOH	Mon, Dec 27, 1993	11.63	11.75	11.63	11.75
410	NASDAQ	PKOH	Thu, Dec 23, 1993	12.00	12.13	11.75	11.88
409	NASDAQ	PKOH	Wed, Dec 22, 1993	11.88	11.88	11.88	11.88
408	NASDAQ	PKOH	Tue, Dec 21, 1993	11.88	12.13	11.88	11.88
407	NASDAQ	PKOH	Mon, Dec 20, 1993	11.88	12.13	11.88	12.13
406	NASDAQ	PKOH	Fri, Dec 17, 1993	11.88	12.00	11.88	11.88
405	NASDAQ	PKOH	Thu, Dec 16, 1993	11.88	11.88	11.88	11.88
404	NASDAQ	PKOH	Wed, Dec 15, 1993	11.88	12.00	11.88	12.00
403	NASDAQ	PKOH	Tue, Dec 14, 1993	12.38	12.38	12.00	12.00
402	NASDAQ	PKOH	Mon, Dec 13, 1993	12.13	12.13	12.13	12.13
401	NASDAQ	PKOH	Fri, Dec 10, 1993	12.13	12.38	12.13	12.38
400	NASDAQ	PKOH	Thu, Dec 9, 1993	12.13	12.38	12.13	12.25
399	NASDAQ	PKOH	Wed, Dec 8, 1993	12.13	12.38	12.13	12.38
398	NASDAQ	PKOH	Tue, Dec 7, 1993	12.38	12.38	12.00	12.38
397	NASDAQ	PKOH	Mon, Dec 6, 1993	12.38	12.38	12.00	12.00
396	NASDAQ	PKOH	Fri, Dec 3, 1993	12.00	12.00	12.00	12.00
395	NASDAQ	PKOH	Thu, Dec 2, 1993	12.13	12.13	12.00	12.00
394	NASDAQ	PKOH	Wed, Dec 1, 1993	12.13	12.38	12.13	12.38
393	NASDAQ	PKOH	Tue, Nov 30, 1993	12.13	12.13	12.13	12.13
392	NASDAQ	PKOH	Mon, Nov 29, 1993	12.13	12.25	12.13	12.13
391	NASDAQ	PKOH	Fri, Nov 26, 1993	12.13	12.13	12.13	12.13
390	NASDAQ	PKOH	Wed, Nov 24, 1993	11.88	12.13	11.88	12.13
389	NASDAQ	PKOH	Tue, Nov 23, 1993	12.25	12.38	11.88	12.00
388	NASDAQ	PKOH	Mon, Nov 22, 1993	12.38	12.50	12.25	12.38
387	NASDAQ	PKOH	Fri, Nov 19, 1993	12.13	12.50	12.13	12.38
386	NASDAQ	PKOH	Thu, Nov 18, 1993	12.38	12.38	12.13	12.38
385	NASDAQ	PKOH	Wed, Nov 17, 1993	12.38	12.63	12.13	12.63
384	NASDAQ	PKOH	Tue, Nov 16, 1993	12.38	12.38	12.13	12.13
383	NASDAQ	PKOH	Mon, Nov 15, 1993	12.00	12.38	12.00	12.38
382	NASDAQ	PKOH	Fri, Nov 12, 1993	11.88	12.13	11.88	12.13
381	NASDAQ	PKOH	Thu, Nov 11, 1993	11.88	12.13	11.88	12.13
380	NASDAQ	PKOH	Wed, Nov 10, 1993	12.13	12.13	11.88	12.13
379	NASDAQ	PKOH	Tue, Nov 9, 1993	11.75	12.13	11.75	12.00
378	NASDAQ	PKOH	Mon, Nov 8, 1993	11.75	12.13	11.75	12.13
377	NASDAQ	PKOH	Fri, Nov 5, 1993	12.00	12.13	11.75	12.13
376	NASDAQ	PKOH	Thu, Nov 4, 1993	12.88	12.88	12.00	12.25
375	NASDAQ	PKOH	Wed, Nov 3, 1993	12.88	13.00	12.75	12.75
374	NASDAQ	PKOH	Tue, Nov 2, 1993	13.13	13.25	12.75	13.00
373	NASDAQ	PKOH	Mon, Nov 1, 1993	12.88	13.00	12.75	13.00
372	NASDAQ	PKOH	Fri, Oct 29, 1993	13.25	13.25	12.75	13.25
371	NASDAQ	PKOH	Thu, Oct 28, 1993	12.75	13.00	12.50	12.75
370	NASDAQ	PKOH	Wed, Oct 27, 1993	12.50	12.63	12.38	12.63
369	NASDAQ	PKOH	Tue, Oct 26, 1993	12.50	12.75	12.50	12.50
368	NASDAQ	PKOH	Mon, Oct 25, 1993	12.63	12.63	12.38	12.38
367	NASDAQ	PKOH	Fri, Oct 22, 1993	12.38	12.50	12.13	12.50
366	NASDAQ	PKOH	Thu, Oct 21, 1993	12.88	12.88	12.13	12.38
365	NASDAQ	PKOH	Wed, Oct 20, 1993	13.25	13.63	12.88	12.88
364	NASDAQ	PKOH	Tue, Oct 19, 1993	13.25	13.63	13.25	13.63
363	NASDAQ	PKOH	Mon, Oct 18, 1993	13.38	13.63	13.38	13.38
362	NASDAQ	PKOH	Fri, Oct 15, 1993	13.38	13.50	13.38	13.50
361	NASDAQ	PKOH	Thu, Oct 14, 1993	13.38	13.63	13.25	13.63
360	NASDAQ	PKOH	Wed, Oct 13, 1993	13.50	13.63	13.50	13.63
359	NASDAQ	PKOH	Tue, Oct 12, 1993	13.63	13.63	13.38	13.63
358	NASDAQ	PKOH	Mon, Oct 11, 1993	13.50	13.63	13.25	13.63
357	NASDAQ	PKOH	Fri, Oct 8, 1993	13.13	13.38	13.00	13.38
356	NASDAQ	PKOH	Thu, Oct 7, 1993	13.50	13.50	13.25	13.50
355	NASDAQ	PKOH	Wed, Oct 6, 1993	13.38	13.50	13.25	13.50
354	NASDAQ	PKOH	Tue, Oct 5, 1993	13.13	13.38	12.75	13.25
353	NASDAQ	PKOH	Mon, Oct 4, 1993	12.50	12.88	12.38	12.75
352	NASDAQ	PKOH	Fri, Oct 1, 1993	11.75	12.38	11.75	12.13
351	NASDAQ	PKOH	Thu, Sep 30, 1993	12.00	12.00	11.75	11.88
350	NASDAQ	PKOH	Wed, Sep 29, 1993	11.50	11.88	11.38	11.88
349	NASDAQ	PKOH	Tue, Sep 28, 1993	11.50	11.50	11.25	11.50
348	NASDAQ	PKOH	Mon, Sep 27, 1993	11.13	11.50	11.13	11.50
347	NASDAQ	PKOH	Fri, Sep 24, 1993	11.50	11.75	11.13	11.25
346	NASDAQ	PKOH	Thu, Sep 23, 1993	11.75	11.75	11.50	11.75
345	NASDAQ	PKOH	Wed, Sep 22, 1993	11.50	11.88	11.50	11.63
344	NASDAQ	PKOH	Tue, Sep 21, 1993	11.63	11.63	11.38	11.63
343	NASDAQ	PKOH	Mon, Sep 20, 1993	11.75	11.75	11.38	11.50
342	NASDAQ	PKOH	Fri, Sep 17, 1993	11.38	11.75	11.38	11.75
341	NASDAQ	PKOH	Thu, Sep 16, 1993	11.50	11.50	11.50	11.50
340	NASDAQ	PKOH	Wed, Sep 15, 1993	11.75	11.75	11.50	11.63
339	NASDAQ	PKOH	Tue, Sep 14, 1993	11.88	11.88	11.50	11.63
338	NASDAQ	PKOH	Mon, Sep 13, 1993	12.25	12.25	11.75	11.88
337	NASDAQ	PKOH	Fri, Sep 10, 1993	12.25	12.25	11.88	12.00
336	NASDAQ	PKOH	Thu, Sep 9, 1993	12.50	12.50	12.00	12.00
335	NASDAQ	PKOH	Wed, Sep 8, 1993	12.50	12.75	12.13	12.25
334	NASDAQ	PKOH	Tue, Sep 7, 1993	12.63	12.75	12.50	12.50
333	NASDAQ	PKOH	Fri, Sep 3, 1993	12.50	12.75	12.38	12.75
332	NASDAQ	PKOH	Thu, Sep 2, 1993	12.38	12.75	12.25	12.63
331	NASDAQ	PKOH	Wed, Sep 1, 1993	10.75	12.25	10.75	12.00
330	NASDAQ	PKOH	Tue, Aug 31, 1993	10.63	11.13	10.50	11.13
329	NASDAQ	PKOH	Mon, Aug 30, 1993	10.50	10.75	10.50	10.50
328	NASDAQ	PKOH	Fri, Aug 27, 1993	10.75	10.75	10.50	10.75
327	NASDAQ	PKOH	Thu, Aug 26, 1993	10.63	10.75	10.38	10.50
326	NASDAQ	PKOH	Wed, Aug 25, 1993	10.38	10.63	10.38	10.38
325	NASDAQ	PKOH	Tue, Aug 24, 1993	10.63	10.63	10.38	10.63
324	NASDAQ	PKOH	Mon, Aug 23, 1993	10.63	10.63	10.38	10.38
323	NASDAQ	PKOH	Fri, Aug 20, 1993	10.63	10.75	10.38	10.50
322	NASDAQ	PKOH	Thu, Aug 19, 1993	10.63	10.88	10.50	10.50
321	NASDAQ	PKOH	Wed, Aug 18, 1993	11.00	11.00	10.75	10.75
320	NASDAQ	PKOH	Tue, Aug 17, 1993	10.75	10.88	10.75	10.88
319	NASDAQ	PKOH	Mon, Aug 16, 1993	11.13	11.13	10.75	10.88
318	NASDAQ	PKOH	Fri, Aug 13, 1993	11.00	11.25	10.75	11.13
317	NASDAQ	PKOH	Thu, Aug 12, 1993	9.88	10.88	9.75	10.75
316	NASDAQ	PKOH	Wed, Aug 11, 1993	9.50	9.63	9.38	9.50
315	NASDAQ	PKOH	Tue, Aug 10, 1993	9.25	9.38	9.00	9.38
314	NASDAQ	PKOH	Mon, Aug 9, 1993	9.13	9.13	8.88	9.13
313	NASDAQ	PKOH	Fri, Aug 6, 1993	9.38	9.50	9.25	9.25
312	NASDAQ	PKOH	Thu, Aug 5, 1993	10.00	10.00	9.50	9.50
311	NASDAQ	PKOH	Wed, Aug 4, 1993	9.63	10.00	9.63	10.00
310	NASDAQ	PKOH	Tue, Aug 3, 1993	10.25	10.25	9.63	10.00
309	NASDAQ	PKOH	Mon, Aug 2, 1993	9.88	10.25	9.88	10.00
308	NASDAQ	PKOH	Fri, Jul 30, 1993	10.00	10.25	9.88	9.88
307	NASDAQ	PKOH	Thu, Jul 29, 1993	10.00	10.13	10.00	10.00
306	NASDAQ	PKOH	Wed, Jul 28, 1993	10.38	10.38	10.00	10.00
305	NASDAQ	PKOH	Tue, Jul 27, 1993	10.13	10.38	10.13	10.13
304	NASDAQ	PKOH	Mon, Jul 26, 1993	10.50	10.88	10.13	10.38
303	NASDAQ	PKOH	Fri, Jul 23, 1993	11.00	11.00	10.50	10.50
302	NASDAQ	PKOH	Thu, Jul 22, 1993	10.75	11.00	10.75	11.00
301	NASDAQ	PKOH	Wed, Jul 21, 1993	10.63	11.00	10.50	10.88
300	NASDAQ	PKOH	Tue, Jul 20, 1993	10.50	10.63	10.38	10.38
299	NASDAQ	PKOH	Mon, Jul 19, 1993	10.50	10.75	10.38	10.38
298	NASDAQ	PKOH	Fri, Jul 16, 1993	10.75	10.88	10.63	10.75
297	NASDAQ	PKOH	Thu, Jul 15, 1993	11.25	11.25	10.75	11.00
296	NASDAQ	PKOH	Wed, Jul 14, 1993	11.25	11.25	10.88	10.88
295	NASDAQ	PKOH	Tue, Jul 13, 1993	10.88	11.25	10.88	11.25
294	NASDAQ	PKOH	Mon, Jul 12, 1993	11.25	11.50	10.88	11.25
293	NASDAQ	PKOH	Fri, Jul 9, 1993	11.25	11.38	11.25	11.25
292	NASDAQ	PKOH	Thu, Jul 8, 1993	11.50	11.50	11.25	11.25
291	NASDAQ	PKOH	Wed, Jul 7, 1993	11.50	11.50	11.25	11.50
290	NASDAQ	PKOH	Tue, Jul 6, 1993	11.38	11.50	11.13	11.50
289	NASDAQ	PKOH	Fri, Jul 2, 1993	11.38	11.50	11.13	11.25
288	NASDAQ	PKOH	Thu, Jul 1, 1993	11.00	11.38	11.00	11.25
287	NASDAQ	PKOH	Wed, Jun 30, 1993	11.25	11.25	11.00	11.00
286	NASDAQ	PKOH	Tue, Jun 29, 1993	11.00	11.75	10.88	11.25
285	NASDAQ	PKOH	Mon, Jun 28, 1993	10.38	11.00	10.38	10.75
284	NASDAQ	PKOH	Fri, Jun 25, 1993	10.38	10.50	10.38	10.50
283	NASDAQ	PKOH	Thu, Jun 24, 1993	10.50	10.50	10.38	10.50
282	NASDAQ	PKOH	Wed, Jun 23, 1993	10.25	10.25	10.25	10.25
281	NASDAQ	PKOH	Tue, Jun 22, 1993	10.25	10.63	10.25	10.50
280	NASDAQ	PKOH	Mon, Jun 21, 1993	10.63	10.63	10.25	10.25
279	NASDAQ	PKOH	Fri, Jun 18, 1993	10.38	10.38	10.38	10.38
278	NASDAQ	PKOH	Thu, Jun 17, 1993	10.38	10.50	10.38	10.38
277	NASDAQ	PKOH	Wed, Jun 16, 1993	10.50	10.63	10.50	10.50
276	NASDAQ	PKOH	Tue, Jun 15, 1993	10.50	10.75	10.50	10.50
275	NASDAQ	PKOH	Mon, Jun 14, 1993	10.50	10.75	10.50	10.50
274	NASDAQ	PKOH	Fri, Jun 11, 1993	10.50	10.63	10.38	10.63
273	NASDAQ	PKOH	Thu, Jun 10, 1993	10.50	10.50	10.25	10.50
272	NASDAQ	PKOH	Wed, Jun 9, 1993	10.25	10.50	10.25	10.38
271	NASDAQ	PKOH	Tue, Jun 8, 1993	10.38	10.50	10.25	10.38
270	NASDAQ	PKOH	Mon, Jun 7, 1993	10.38	10.50	10.25	10.50
269	NASDAQ	PKOH	Fri, Jun 4, 1993	10.38	10.38	10.25	10.25
268	NASDAQ	PKOH	Thu, Jun 3, 1993	10.50	10.75	10.38	10.50
267	NASDAQ	PKOH	Wed, Jun 2, 1993	10.50	10.75	10.50	10.75
266	NASDAQ	PKOH	Tue, Jun 1, 1993	10.38	10.63	10.38	10.38
265	NASDAQ	PKOH	Fri, May 28, 1993	10.50	10.75	10.38	10.50
264	NASDAQ	PKOH	Thu, May 27, 1993	10.38	10.75	10.38	10.50
263	NASDAQ	PKOH	Wed, May 26, 1993	10.13	10.50	10.13	10.50
262	NASDAQ	PKOH	Tue, May 25, 1993	10.25	10.50	10.00	10.00
261	NASDAQ	PKOH	Mon, May 24, 1993	10.38	10.50	10.13	10.38
260	NASDAQ	PKOH	Fri, May 21, 1993	10.13	10.50	10.13	10.50
259	NASDAQ	PKOH	Thu, May 20, 1993	10.38	10.38	10.13	10.38
258	NASDAQ	PKOH	Wed, May 19, 1993	10.25	10.38	10.13	10.38
257	NASDAQ	PKOH	Tue, May 18, 1993	10.38	10.50	10.25	10.25
256	NASDAQ	PKOH	Mon, May 17, 1993	10.88	10.88	10.25	10.50
255	NASDAQ	PKOH	Fri, May 14, 1993	10.88	10.88	10.63	10.63
254	NASDAQ	PKOH	Thu, May 13, 1993	11.13	11.13	10.63	10.75
253	NASDAQ	PKOH	Wed, May 12, 1993	10.25	11.25	10.25	11.00
252	NASDAQ	PKOH	Tue, May 11, 1993	10.25	10.50	10.25	10.25
251	NASDAQ	PKOH	Mon, May 10, 1993	10.25	10.38	10.13	10.25
250	NASDAQ	PKOH	Fri, May 7, 1993	10.25	10.38	10.13	10.38
249	NASDAQ	PKOH	Thu, May 6, 1993	10.00	10.25	10.00	10.25
248	NASDAQ	PKOH	Wed, May 5, 1993	9.88	10.25	9.75	10.13
247	NASDAQ	PKOH	Tue, May 4, 1993	10.13	10.13	9.63	9.88
246	NASDAQ	PKOH	Mon, May 3, 1993	10.13	10.25	9.88	9.88
245	NASDAQ	PKOH	Fri, Apr 30, 1993	9.88	10.13	9.75	9.88
244	NASDAQ	PKOH	Thu, Apr 29, 1993	9.63	10.13	9.38	10.13
243	NASDAQ	PKOH	Wed, Apr 28, 1993	9.38	9.63	9.25	9.50
242	NASDAQ	PKOH	Tue, Apr 27, 1993	9.13	9.38	9.13	9.13
241	NASDAQ	PKOH	Mon, Apr 26, 1993	9.13	9.38	9.13	9.25
240	NASDAQ	PKOH	Fri, Apr 23, 1993	9.38	9.50	9.25	9.25
239	NASDAQ	PKOH	Thu, Apr 22, 1993	9.00	9.50	9.00	9.50
238	NASDAQ	PKOH	Wed, Apr 21, 1993	8.88	9.38	8.75	9.13
237	NASDAQ	PKOH	Tue, Apr 20, 1993	9.13	9.13	8.88	8.88
236	NASDAQ	PKOH	Mon, Apr 19, 1993	9.25	9.50	9.25	9.25
235	NASDAQ	PKOH	Fri, Apr 16, 1993	9.38	9.50	9.25	9.25
234	NASDAQ	PKOH	Thu, Apr 15, 1993	8.88	9.50	8.88	9.38
233	NASDAQ	PKOH	Wed, Apr 14, 1993	8.50	8.88	8.50	8.75
232	NASDAQ	PKOH	Tue, Apr 13, 1993	8.63	8.88	8.50	8.75
231	NASDAQ	PKOH	Mon, Apr 12, 1993	8.88	9.00	8.75	8.75
230	NASDAQ	PKOH	Thu, Apr 8, 1993	8.88	9.00	8.88	8.88
229	NASDAQ	PKOH	Wed, Apr 7, 1993	9.13	9.13	8.88	8.88
228	NASDAQ	PKOH	Tue, Apr 6, 1993	8.88	9.25	8.88	9.00
227	NASDAQ	PKOH	Mon, Apr 5, 1993	9.13	9.38	8.88	9.25
226	NASDAQ	PKOH	Fri, Apr 2, 1993	9.13	9.38	8.75	9.13
225	NASDAQ	PKOH	Thu, Apr 1, 1993	9.00	9.25	9.00	9.25
224	NASDAQ	PKOH	Wed, Mar 31, 1993	8.38	9.00	8.38	9.00
223	NASDAQ	PKOH	Tue, Mar 30, 1993	8.38	8.63	8.38	8.38
222	NASDAQ	PKOH	Mon, Mar 29, 1993	8.38	8.63	8.25	8.63
221	NASDAQ	PKOH	Fri, Mar 26, 1993	8.75	9.00	8.50	8.63
220	NASDAQ	PKOH	Thu, Mar 25, 1993	8.00	8.50	7.88	8.50
219	NASDAQ	PKOH	Wed, Mar 24, 1993	7.63	7.94	7.38	7.88
218	NASDAQ	PKOH	Tue, Mar 23, 1993	7.38	7.38	7.25	7.38
217	NASDAQ	PKOH	Mon, Mar 22, 1993	7.13	7.38	7.13	7.38
216	NASDAQ	PKOH	Fri, Mar 19, 1993	7.13	7.38	7.13	7.13
215	NASDAQ	PKOH	Thu, Mar 18, 1993	7.13	7.25	7.13	7.25
214	NASDAQ	PKOH	Wed, Mar 17, 1993	7.25	7.25	7.13	7.25
213	NASDAQ	PKOH	Tue, Mar 16, 1993	7.13	7.38	7.13	7.13
212	NASDAQ	PKOH	Mon, Mar 15, 1993	7.13	7.38	7.13	7.13
211	NASDAQ	PKOH	Fri, Mar 12, 1993	7.13	7.13	6.88	7.13
210	NASDAQ	PKOH	Thu, Mar 11, 1993	7.00	7.13	6.88	6.88
209	NASDAQ	PKOH	Wed, Mar 10, 1993	7.00	7.25	7.00	7.00
208	NASDAQ	PKOH	Tue, Mar 9, 1993	6.88	7.25	6.88	7.00
207	NASDAQ	PKOH	Mon, Mar 8, 1993	7.13	7.13	6.88	7.13
206	NASDAQ	PKOH	Fri, Mar 5, 1993	6.13	7.00	6.13	6.88
205	NASDAQ	PKOH	Thu, Mar 4, 1993	6.13	6.38	6.13	6.13
204	NASDAQ	PKOH	Wed, Mar 3, 1993	6.00	6.25	6.00	6.13
203	NASDAQ	PKOH	Tue, Mar 2, 1993	6.25	6.25	6.00	6.00
202	NASDAQ	PKOH	Mon, Mar 1, 1993	6.25	6.25	6.00	6.19
201	NASDAQ	PKOH	Fri, Feb 26, 1993	6.13	6.25	6.13	6.25
200	NASDAQ	PKOH	Thu, Feb 25, 1993	6.13	6.13	5.88	6.13
199	NASDAQ	PKOH	Wed, Feb 24, 1993	6.00	6.19	5.88	5.88
198	NASDAQ	PKOH	Tue, Feb 23, 1993	6.38	6.38	6.00	6.25
197	NASDAQ	PKOH	Mon, Feb 22, 1993	6.38	6.38	6.13	6.19
196	NASDAQ	PKOH	Fri, Feb 19, 1993	6.50	6.63	6.19	6.38
195	NASDAQ	PKOH	Thu, Feb 18, 1993	5.88	6.63	5.88	6.63
194	NASDAQ	PKOH	Wed, Feb 17, 1993	6.00	6.00	5.75	6.00
193	NASDAQ	PKOH	Tue, Feb 16, 1993	6.25	6.50	6.00	6.00
192	NASDAQ	PKOH	Fri, Feb 12, 1993	6.50	6.50	6.13	6.13
191	NASDAQ	PKOH	Thu, Feb 11, 1993	6.13	6.38	6.13	6.13
190	NASDAQ	PKOH	Wed, Feb 10, 1993	6.25	6.25	6.00	6.13
189	NASDAQ	PKOH	Tue, Feb 9, 1993	6.38	6.38	6.00	6.13
188	NASDAQ	PKOH	Mon, Feb 8, 1993	6.50	6.50	6.25	6.25
187	NASDAQ	PKOH	Fri, Feb 5, 1993	6.50	6.50	6.25	6.38
186	NASDAQ	PKOH	Thu, Feb 4, 1993	6.50	6.50	6.25	6.25
185	NASDAQ	PKOH	Wed, Feb 3, 1993	6.25	6.50	6.25	6.50
184	NASDAQ	PKOH	Tue, Feb 2, 1993	6.50	6.63	6.25	6.50
183	NASDAQ	PKOH	Mon, Feb 1, 1993	6.38	6.63	6.38	6.63
182	NASDAQ	PKOH	Fri, Jan 29, 1993	6.50	6.63	6.38	6.63
181	NASDAQ	PKOH	Thu, Jan 28, 1993	6.63	6.63	6.25	6.56
180	NASDAQ	PKOH	Wed, Jan 27, 1993	6.13	6.75	6.13	6.50
179	NASDAQ	PKOH	Tue, Jan 26, 1993	6.25	6.25	6.00	6.19
178	NASDAQ	PKOH	Mon, Jan 25, 1993	5.88	6.25	5.88	6.25
177	NASDAQ	PKOH	Fri, Jan 22, 1993	5.94	6.13	5.75	5.88
176	NASDAQ	PKOH	Thu, Jan 21, 1993	6.00	6.00	5.75	5.88
175	NASDAQ	PKOH	Wed, Jan 20, 1993	5.75	6.00	5.75	6.00
174	NASDAQ	PKOH	Tue, Jan 19, 1993	5.75	6.00	5.75	5.75
173	NASDAQ	PKOH	Mon, Jan 18, 1993	5.88	6.13	5.88	6.00
172	NASDAQ	PKOH	Fri, Jan 15, 1993	6.13	6.13	5.88	6.13
171	NASDAQ	PKOH	Thu, Jan 14, 1993	6.00	6.13	5.75	6.00
170	NASDAQ	PKOH	Wed, Jan 13, 1993	5.50	6.00	5.38	6.00
169	NASDAQ	PKOH	Tue, Jan 12, 1993	5.13	5.50	5.13	5.50
168	NASDAQ	PKOH	Mon, Jan 11, 1993	4.88	5.13	4.88	5.13
167	NASDAQ	PKOH	Fri, Jan 8, 1993	4.88	5.13	4.88	5.06
166	NASDAQ	PKOH	Thu, Jan 7, 1993	5.13	5.13	4.88	5.00
165	NASDAQ	PKOH	Wed, Jan 6, 1993	4.88	5.06	4.88	4.88
164	NASDAQ	PKOH	Tue, Jan 5, 1993	5.00	5.00	4.88	5.00
163	NASDAQ	PKOH	Mon, Jan 4, 1993	5.00	5.00	4.88	5.00
162	NASDAQ	PKOH	Thu, Dec 31, 1992	4.88	5.00	4.88	5.00
161	NASDAQ	PKOH	Wed, Dec 30, 1992	4.88	5.00	4.88	5.00
160	NASDAQ	PKOH	Tue, Dec 29, 1992	5.00	5.00	4.88	5.00
159	NASDAQ	PKOH	Mon, Dec 28, 1992	4.94	5.00	4.88	4.88
158	NASDAQ	PKOH	Thu, Dec 24, 1992	5.00	5.00	4.88	4.88
157	NASDAQ	PKOH	Wed, Dec 23, 1992	4.88	5.00	4.88	4.88
156	NASDAQ	PKOH	Tue, Dec 22, 1992	4.88	5.00	4.88	5.00
155	NASDAQ	PKOH	Mon, Dec 21, 1992	4.88	5.00	4.88	4.88
154	NASDAQ	PKOH	Fri, Dec 18, 1992	4.94	5.13	4.88	5.00
153	NASDAQ	PKOH	Thu, Dec 17, 1992	4.88	5.13	4.88	5.13
152	NASDAQ	PKOH	Wed, Dec 16, 1992	5.13	5.13	4.88	4.88
151	NASDAQ	PKOH	Tue, Dec 15, 1992	5.13	5.13	5.00	5.00
150	NASDAQ	PKOH	Mon, Dec 14, 1992	5.13	5.13	5.00	5.13
149	NASDAQ	PKOH	Fri, Dec 11, 1992	5.13	5.13	4.88	5.13
148	NASDAQ	PKOH	Thu, Dec 10, 1992	4.75	5.13	4.63	5.00
147	NASDAQ	PKOH	Wed, Dec 9, 1992	4.63	4.88	4.63	4.88
146	NASDAQ	PKOH	Tue, Dec 8, 1992	4.88	5.00	4.63	4.75
145	NASDAQ	PKOH	Mon, Dec 7, 1992	4.75	5.00	4.75	5.00
144	NASDAQ	PKOH	Fri, Dec 4, 1992	4.75	5.00	4.75	5.00
143	NASDAQ	PKOH	Thu, Dec 3, 1992	4.63	5.00	4.63	5.00
142	NASDAQ	PKOH	Wed, Dec 2, 1992	4.75	4.75	4.50	4.63
141	NASDAQ	PKOH	Tue, Dec 1, 1992	4.50	4.75	4.50	4.56
140	NASDAQ	PKOH	Mon, Nov 30, 1992	5.00	5.00	4.38	4.50
139	NASDAQ	PKOH	Fri, Nov 27, 1992	5.06	5.25	5.00	5.00
138	NASDAQ	PKOH	Wed, Nov 25, 1992	5.25	5.25	5.00	5.00
137	NASDAQ	PKOH	Tue, Nov 24, 1992	5.00	5.19	4.88	5.00
136	NASDAQ	PKOH	Mon, Nov 23, 1992	5.00	5.25	5.00	5.00
135	NASDAQ	PKOH	Fri, Nov 20, 1992	4.75	5.25	4.75	5.00
134	NASDAQ	PKOH	Thu, Nov 19, 1992	4.63	5.00	4.63	5.00
133	NASDAQ	PKOH	Wed, Nov 18, 1992	4.50	4.75	4.50	4.75
132	NASDAQ	PKOH	Tue, Nov 17, 1992	4.63	4.63	4.38	4.63
131	NASDAQ	PKOH	Mon, Nov 16, 1992	4.50	4.63	4.38	4.38
130	NASDAQ	PKOH	Fri, Nov 13, 1992	4.63	4.63	4.50	4.50
129	NASDAQ	PKOH	Thu, Nov 12, 1992	4.38	4.63	4.25	4.56
128	NASDAQ	PKOH	Wed, Nov 11, 1992	4.13	4.38	4.13	4.38
127	NASDAQ	PKOH	Tue, Nov 10, 1992	4.00	4.13	4.00	4.13
126	NASDAQ	PKOH	Mon, Nov 9, 1992	4.13	4.13	4.00	4.06
125	NASDAQ	PKOH	Fri, Nov 6, 1992	4.38	4.38	4.13	4.25
124	NASDAQ	PKOH	Thu, Nov 5, 1992	3.88	4.38	3.88	4.25
123	NASDAQ	PKOH	Wed, Nov 4, 1992	4.00	4.00	3.88	3.88
122	NASDAQ	PKOH	Tue, Nov 3, 1992	3.63	3.94	3.63	3.75
121	NASDAQ	PKOH	Mon, Nov 2, 1992	3.50	3.75	3.50	3.50
120	NASDAQ	PKOH	Fri, Oct 30, 1992	3.75	3.75	3.50	3.75
119	NASDAQ	PKOH	Thu, Oct 29, 1992	3.75	3.75	3.75	3.75
118	NASDAQ	PKOH	Wed, Oct 28, 1992	3.75	3.75	3.63	3.75
117	NASDAQ	PKOH	Tue, Oct 27, 1992	3.63	3.75	3.50	3.75
116	NASDAQ	PKOH	Mon, Oct 26, 1992	3.63	3.63	3.50	3.50
115	NASDAQ	PKOH	Fri, Oct 23, 1992	3.50	3.50	3.38	3.50
114	NASDAQ	PKOH	Thu, Oct 22, 1992	3.50	3.63	3.38	3.38
113	NASDAQ	PKOH	Wed, Oct 21, 1992	3.50	3.50	3.50	3.50
112	NASDAQ	PKOH	Tue, Oct 20, 1992	3.75	3.75	3.50	3.63
111	NASDAQ	PKOH	Mon, Oct 19, 1992	3.50	3.63	3.50	3.56
110	NASDAQ	PKOH	Fri, Oct 16, 1992	3.50	3.75	3.50	3.75
109	NASDAQ	PKOH	Thu, Oct 15, 1992	3.50	3.75	3.50	3.63
108	NASDAQ	PKOH	Wed, Oct 14, 1992	3.75	3.75	3.50	3.50
107	NASDAQ	PKOH	Tue, Oct 13, 1992	3.75	3.75	3.75	3.75
106	NASDAQ	PKOH	Mon, Oct 12, 1992	3.50	3.75	3.50	3.50
105	NASDAQ	PKOH	Fri, Oct 9, 1992	3.50	3.75	3.50	3.75
104	NASDAQ	PKOH	Thu, Oct 8, 1992	3.50	3.75	3.50	3.75
103	NASDAQ	PKOH	Wed, Oct 7, 1992	3.50	3.63	3.50	3.50
102	NASDAQ	PKOH	Tue, Oct 6, 1992	3.50	3.75	3.50	3.75
101	NASDAQ	PKOH	Mon, Oct 5, 1992	3.63	3.75	3.50	3.63
100	NASDAQ	PKOH	Fri, Oct 2, 1992	3.88	3.88	3.75	3.75
99	NASDAQ	PKOH	Thu, Oct 1, 1992	3.75	3.88	3.75	3.88
98	NASDAQ	PKOH	Wed, Sep 30, 1992	3.75	3.88	3.75	3.81
97	NASDAQ	PKOH	Tue, Sep 29, 1992	4.00	4.00	3.88	4.00
96	NASDAQ	PKOH	Mon, Sep 28, 1992	3.81	3.81	3.81	3.81
95	NASDAQ	PKOH	Fri, Sep 25, 1992	3.88	3.94	3.75	3.88
94	NASDAQ	PKOH	Thu, Sep 24, 1992	4.00	4.00	3.94	3.94
93	NASDAQ	PKOH	Wed, Sep 23, 1992	4.00	4.00	3.88	3.88
92	NASDAQ	PKOH	Tue, Sep 22, 1992	3.75	4.13	3.75	4.13
91	NASDAQ	PKOH	Mon, Sep 21, 1992	3.75	3.88	3.75	3.88
90	NASDAQ	PKOH	Fri, Sep 18, 1992	3.88	4.00	3.88	4.00
89	NASDAQ	PKOH	Thu, Sep 17, 1992	4.00	4.00	3.88	3.94
88	NASDAQ	PKOH	Wed, Sep 16, 1992	3.88	3.88	3.88	3.88
87	NASDAQ	PKOH	Tue, Sep 15, 1992	3.88	3.94	3.88	3.94
86	NASDAQ	PKOH	Mon, Sep 14, 1992	3.88	4.13	3.88	4.00
85	NASDAQ	PKOH	Fri, Sep 11, 1992	4.13	4.13	4.13	4.13
84	NASDAQ	PKOH	Thu, Sep 10, 1992	3.88	3.88	3.88	3.88
83	NASDAQ	PKOH	Wed, Sep 9, 1992	3.88	3.88	3.88	3.88
82	NASDAQ	PKOH	Tue, Sep 8, 1992	3.88	4.13	3.88	4.13
81	NASDAQ	PKOH	Fri, Sep 4, 1992	3.88	4.13	3.88	4.00
80	NASDAQ	PKOH	Thu, Sep 3, 1992	4.00	4.13	3.88	4.00
79	NASDAQ	PKOH	Wed, Sep 2, 1992	3.88	4.00	3.88	3.88
78	NASDAQ	PKOH	Tue, Sep 1, 1992	3.88	4.13	3.88	3.88
77	NASDAQ	PKOH	Mon, Aug 31, 1992	3.88	4.00	3.75	3.88
76	NASDAQ	PKOH	Fri, Aug 28, 1992	3.75	3.88	3.75	3.75
75	NASDAQ	PKOH	Thu, Aug 27, 1992	3.88	3.88	3.75	3.75
74	NASDAQ	PKOH	Wed, Aug 26, 1992	3.75	3.88	3.75	3.88
73	NASDAQ	PKOH	Tue, Aug 25, 1992	3.88	3.88	3.75	3.75
72	NASDAQ	PKOH	Mon, Aug 24, 1992	4.00	4.00	3.63	3.75
71	NASDAQ	PKOH	Fri, Aug 21, 1992	4.38	4.38	3.88	4.00
70	NASDAQ	PKOH	Thu, Aug 20, 1992	4.38	4.38	4.38	4.38
69	NASDAQ	PKOH	Wed, Aug 19, 1992	4.38	4.38	4.00	4.00
68	NASDAQ	PKOH	Tue, Aug 18, 1992	4.25	4.25	4.00	4.00
67	NASDAQ	PKOH	Mon, Aug 17, 1992	4.25	4.25	4.00	4.25
66	NASDAQ	PKOH	Fri, Aug 14, 1992	4.19	4.25	4.13	4.25
65	NASDAQ	PKOH	Thu, Aug 13, 1992	4.00	4.00	4.00	4.00
64	NASDAQ	PKOH	Wed, Aug 12, 1992	4.25	4.25	4.25	4.25
63	NASDAQ	PKOH	Tue, Aug 11, 1992	4.00	4.25	4.00	4.13
62	NASDAQ	PKOH	Mon, Aug 10, 1992	4.13	4.25	4.00	4.25
61	NASDAQ	PKOH	Fri, Aug 7, 1992	4.25	4.25	3.88	3.88
60	NASDAQ	PKOH	Thu, Aug 6, 1992	4.00	4.25	3.88	4.00
59	NASDAQ	PKOH	Wed, Aug 5, 1992	4.25	4.25	4.25	4.25
58	NASDAQ	PKOH	Tue, Aug 4, 1992	4.00	4.25	3.88	4.25
57	NASDAQ	PKOH	Mon, Aug 3, 1992	4.00	4.00	3.88	3.88
56	NASDAQ	PKOH	Fri, Jul 31, 1992	4.00	4.00	4.00	4.00
55	NASDAQ	PKOH	Thu, Jul 30, 1992	4.00	4.00	4.00	4.00
54	NASDAQ	PKOH	Wed, Jul 29, 1992	3.88	4.00	3.88	4.00
53	NASDAQ	PKOH	Tue, Jul 28, 1992	3.94	4.00	3.88	3.88
52	NASDAQ	PKOH	Mon, Jul 27, 1992	3.88	3.88	3.88	3.88
51	NASDAQ	PKOH	Fri, Jul 24, 1992	4.00	4.00	3.88	3.88
50	NASDAQ	PKOH	Thu, Jul 23, 1992	4.00	4.00	4.00	4.00
49	NASDAQ	PKOH	Wed, Jul 22, 1992	4.00	4.00	3.88	3.88
48	NASDAQ	PKOH	Tue, Jul 21, 1992	3.88	4.00	3.88	3.88
47	NASDAQ	PKOH	Mon, Jul 20, 1992	4.00	4.13	3.94	3.94
46	NASDAQ	PKOH	Fri, Jul 17, 1992	4.38	4.63	4.13	4.13
45	NASDAQ	PKOH	Thu, Jul 16, 1992	4.38	4.50	4.38	4.38
44	NASDAQ	PKOH	Wed, Jul 15, 1992	4.50	4.63	4.38	4.38
43	NASDAQ	PKOH	Tue, Jul 14, 1992	4.38	4.63	4.38	4.38
42	NASDAQ	PKOH	Mon, Jul 13, 1992	4.38	4.63	4.38	4.50
41	NASDAQ	PKOH	Fri, Jul 10, 1992	4.63	4.63	4.38	4.38
40	NASDAQ	PKOH	Thu, Jul 9, 1992	4.50	4.56	4.38	4.50
39	NASDAQ	PKOH	Wed, Jul 8, 1992	4.50	4.50	4.38	4.44
38	NASDAQ	PKOH	Tue, Jul 7, 1992	4.38	4.63	4.38	4.38
37	NASDAQ	PKOH	Mon, Jul 6, 1992	4.63	4.63	4.50	4.50
36	NASDAQ	PKOH	Thu, Jul 2, 1992	4.38	4.63	4.38	4.38
35	NASDAQ	PKOH	Wed, Jul 1, 1992	4.63	4.63	4.38	4.63
34	NASDAQ	PKOH	Tue, Jun 30, 1992	4.50	4.63	4.38	4.50
33	NASDAQ	PKOH	Mon, Jun 29, 1992	4.50	4.75	4.50	4.75
32	NASDAQ	PKOH	Fri, Jun 26, 1992	4.63	4.75	4.50	4.50
31	NASDAQ	PKOH	Thu, Jun 25, 1992	4.88	4.88	4.63	4.88
30	NASDAQ	PKOH	Wed, Jun 24, 1992	4.75	5.00	4.63	4.63
29	NASDAQ	PKOH	Tue, Jun 23, 1992	4.75	5.00	4.75	4.88
28	NASDAQ	PKOH	Mon, Jun 22, 1992	4.75	5.00	4.75	5.00
27	NASDAQ	PKOH	Fri, Jun 19, 1992	5.13	5.13	4.75	5.00
26	NASDAQ	PKOH	Thu, Jun 18, 1992	5.00	5.25	4.88	5.00
25	NASDAQ	PKOH	Wed, Jun 17, 1992	5.00	5.25	5.00	5.00
24	NASDAQ	PKOH	Tue, Jun 16, 1992	5.13	5.13	5.00	5.13
23	NASDAQ	PKOH	Mon, Jun 15, 1992	5.13	5.13	4.88	5.00
22	NASDAQ	PKOH	Fri, Jun 12, 1992	5.13	5.13	4.88	5.00
21	NASDAQ	PKOH	Thu, Jun 11, 1992	5.13	5.13	4.88	5.00
20	NASDAQ	PKOH	Wed, Jun 10, 1992	5.13	5.13	4.75	5.13
19	NASDAQ	PKOH	Tue, Jun 9, 1992	5.00	5.13	4.75	4.94
18	NASDAQ	PKOH	Mon, Jun 8, 1992	5.00	5.00	4.63	4.81
17	NASDAQ	PKOH	Fri, Jun 5, 1992	4.63	5.00	4.50	4.88
16	NASDAQ	PKOH	Thu, Jun 4, 1992	4.38	4.63	4.25	4.38
15	NASDAQ	PKOH	Wed, Jun 3, 1992	4.38	4.38	4.13	4.25
14	NASDAQ	PKOH	Tue, Jun 2, 1992	4.38	4.44	4.13	4.13
13	NASDAQ	PKOH	Mon, Jun 1, 1992	4.38	4.38	4.25	4.31
12	NASDAQ	PKOH	Fri, May 29, 1992	4.25	4.38	4.00	4.25
11	NASDAQ	PKOH	Thu, May 28, 1992	4.13	4.25	3.88	4.25
10	NASDAQ	PKOH	Wed, May 27, 1992	4.00	4.13	3.88	4.00
9	NASDAQ	PKOH	Tue, May 26, 1992	4.13	4.13	3.88	4.13
8	NASDAQ	PKOH	Fri, May 22, 1992	4.13	4.13	4.00	4.13
7	NASDAQ	PKOH	Thu, May 21, 1992	4.13	4.13	3.88	4.13
6	NASDAQ	PKOH	Wed, May 20, 1992	3.88	4.13	3.88	4.00
5	NASDAQ	PKOH	Tue, May 19, 1992	3.88	4.13	3.88	4.13
4	NASDAQ	PKOH	Mon, May 18, 1992	4.13	4.13	3.75	3.88
3	NASDAQ	PKOH	Fri, May 15, 1992	4.00	4.13	3.88	4.00
2	NASDAQ	PKOH	Thu, May 14, 1992	4.13	4.13	3.88	4.13
1	NASDAQ	PKOH	Wed, May 13, 1992	3.63	4.00	3.50	4.00
#	Exchange	Symbol	Date	Open	High	Low	Close

Park-Ohio Holdings Corp NASDAQ:PKOH Historical Prices

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