Innospec Inc NASDAQ:IOSP Historical Prices

Below are the 6501 trading days of historical prices for IOSP.

#	Exchange	Symbol	Date	Open	High	Low	Close
6501	NASDAQ	IOSP	Thu, Mar 21, 2024	126.50	127.62	125.30	127.62
6500	NASDAQ	IOSP	Wed, Mar 20, 2024	123.49	126.40	123.09	125.73
6499	NASDAQ	IOSP	Tue, Mar 19, 2024	121.50	128.60	121.50	123.55
6498	NASDAQ	IOSP	Mon, Mar 18, 2024	122.07	123.71	121.26	121.50
6497	NASDAQ	IOSP	Fri, Mar 15, 2024	121.61	123.55	121.25	122.07
6496	NASDAQ	IOSP	Thu, Mar 14, 2024	124.33	124.53	121.62	122.67
6495	NASDAQ	IOSP	Wed, Mar 13, 2024	124.26	126.02	123.96	124.33
6494	NASDAQ	IOSP	Tue, Mar 12, 2024	125.29	125.98	124.03	124.75
6493	NASDAQ	IOSP	Mon, Mar 11, 2024	125.69	126.04	124.76	125.81
6492	NASDAQ	IOSP	Fri, Mar 8, 2024	126.97	128.17	125.63	125.97
6491	NASDAQ	IOSP	Thu, Mar 7, 2024	124.81	126.56	123.30	125.97
6490	NASDAQ	IOSP	Wed, Mar 6, 2024	124.03	124.36	122.60	123.80
6489	NASDAQ	IOSP	Tue, Mar 5, 2024	124.64	125.48	122.67	122.98
6488	NASDAQ	IOSP	Mon, Mar 4, 2024	125.37	126.09	124.48	124.90
6487	NASDAQ	IOSP	Fri, Mar 1, 2024	124.88	127.34	124.36	125.37
6486	NASDAQ	IOSP	Thu, Feb 29, 2024	124.75	125.31	123.35	124.27
6485	NASDAQ	IOSP	Wed, Feb 28, 2024	123.34	124.22	122.53	123.10
6484	NASDAQ	IOSP	Tue, Feb 27, 2024	125.26	125.79	123.42	124.43
6483	NASDAQ	IOSP	Mon, Feb 26, 2024	124.66	126.10	124.05	125.13
6482	NASDAQ	IOSP	Fri, Feb 23, 2024	123.67	125.28	123.03	124.74
6481	NASDAQ	IOSP	Thu, Feb 22, 2024	123.12	124.53	121.41	123.96
6480	NASDAQ	IOSP	Wed, Feb 21, 2024	123.46	124.25	122.79	123.50
6479	NASDAQ	IOSP	Tue, Feb 20, 2024	123.06	124.44	122.53	123.36
6478	NASDAQ	IOSP	Fri, Feb 16, 2024	125.03	126.47	120.09	124.44
6477	NASDAQ	IOSP	Thu, Feb 15, 2024	121.42	125.80	121.42	125.66
6476	NASDAQ	IOSP	Wed, Feb 14, 2024	120.00	120.82	116.15	120.25
6475	NASDAQ	IOSP	Tue, Feb 13, 2024	117.90	119.78	116.04	117.06
6474	NASDAQ	IOSP	Mon, Feb 12, 2024	119.10	121.75	119.10	120.84
6473	NASDAQ	IOSP	Fri, Feb 9, 2024	118.12	119.27	115.99	118.90
6472	NASDAQ	IOSP	Thu, Feb 8, 2024	116.39	118.29	116.39	118.09
6471	NASDAQ	IOSP	Wed, Feb 7, 2024	115.66	117.02	115.14	116.41
6470	NASDAQ	IOSP	Tue, Feb 6, 2024	114.95	116.42	114.95	115.86
6469	NASDAQ	IOSP	Mon, Feb 5, 2024	114.91	115.40	114.16	114.80
6468	NASDAQ	IOSP	Fri, Feb 2, 2024	116.67	117.25	115.89	116.35
6467	NASDAQ	IOSP	Thu, Feb 1, 2024	116.94	117.91	115.54	117.75
6466	NASDAQ	IOSP	Wed, Jan 31, 2024	119.55	119.55	115.40	116.11
6465	NASDAQ	IOSP	Tue, Jan 30, 2024	118.70	119.53	118.31	119.30
6464	NASDAQ	IOSP	Mon, Jan 29, 2024	118.17	119.06	117.34	119.06
6463	NASDAQ	IOSP	Fri, Jan 26, 2024	119.40	120.20	117.45	118.49
6462	NASDAQ	IOSP	Thu, Jan 25, 2024	119.10	119.10	117.42	118.45
6461	NASDAQ	IOSP	Wed, Jan 24, 2024	120.58	120.58	117.42	117.69
6460	NASDAQ	IOSP	Tue, Jan 23, 2024	121.49	122.66	119.32	119.36
6459	NASDAQ	IOSP	Mon, Jan 22, 2024	117.73	120.33	117.73	120.05
6458	NASDAQ	IOSP	Fri, Jan 19, 2024	117.75	117.75	116.00	117.63
6457	NASDAQ	IOSP	Thu, Jan 18, 2024	115.82	117.50	114.97	117.23
6456	NASDAQ	IOSP	Wed, Jan 17, 2024	114.52	115.70	114.45	115.36
6455	NASDAQ	IOSP	Tue, Jan 16, 2024	116.24	116.97	115.74	115.99
6454	NASDAQ	IOSP	Fri, Jan 12, 2024	117.35	117.38	115.66	117.23
6453	NASDAQ	IOSP	Thu, Jan 11, 2024	115.37	116.30	114.36	115.51
6452	NASDAQ	IOSP	Wed, Jan 10, 2024	115.59	116.23	114.31	116.07
6451	NASDAQ	IOSP	Tue, Jan 9, 2024	116.93	118.00	115.34	115.46
6450	NASDAQ	IOSP	Mon, Jan 8, 2024	118.50	118.74	117.79	118.40
6449	NASDAQ	IOSP	Fri, Jan 5, 2024	119.09	120.59	118.74	118.95
6448	NASDAQ	IOSP	Thu, Jan 4, 2024	121.61	122.15	119.47	119.98
6447	NASDAQ	IOSP	Wed, Jan 3, 2024	121.81	123.71	120.34	121.32
6446	NASDAQ	IOSP	Tue, Jan 2, 2024	122.46	123.64	121.88	122.17
6445	NASDAQ	IOSP	Fri, Dec 29, 2023	124.72	125.05	122.65	123.24
6444	NASDAQ	IOSP	Thu, Dec 28, 2023	124.16	124.74	123.00	124.57
6443	NASDAQ	IOSP	Wed, Dec 27, 2023	125.58	125.87	123.94	124.88
6442	NASDAQ	IOSP	Tue, Dec 26, 2023	124.72	125.67	124.33	125.14
6441	NASDAQ	IOSP	Fri, Dec 22, 2023	123.88	125.40	123.41	123.89
6440	NASDAQ	IOSP	Thu, Dec 21, 2023	122.64	123.55	121.31	122.94
6439	NASDAQ	IOSP	Wed, Dec 20, 2023	122.88	125.29	121.11	121.56
6438	NASDAQ	IOSP	Tue, Dec 19, 2023	120.67	123.41	119.93	122.73
6437	NASDAQ	IOSP	Mon, Dec 18, 2023	120.72	120.96	118.17	119.49
6436	NASDAQ	IOSP	Fri, Dec 15, 2023	119.36	120.44	117.97	119.87
6435	NASDAQ	IOSP	Thu, Dec 14, 2023	115.55	118.55	115.51	117.86
6434	NASDAQ	IOSP	Wed, Dec 13, 2023	109.80	114.74	109.08	113.92
6433	NASDAQ	IOSP	Tue, Dec 12, 2023	111.84	112.20	109.31	109.71
6432	NASDAQ	IOSP	Mon, Dec 11, 2023	110.03	111.06	109.00	110.88
6431	NASDAQ	IOSP	Fri, Dec 8, 2023	110.30	111.55	108.79	109.58
6430	NASDAQ	IOSP	Thu, Dec 7, 2023	108.35	110.63	108.00	110.63
6429	NASDAQ	IOSP	Wed, Dec 6, 2023	109.13	110.50	108.34	108.38
6428	NASDAQ	IOSP	Tue, Dec 5, 2023	108.21	108.37	106.97	108.33
6427	NASDAQ	IOSP	Mon, Dec 4, 2023	106.47	109.42	106.10	108.32
6426	NASDAQ	IOSP	Fri, Dec 1, 2023	105.25	107.61	104.33	107.07
6425	NASDAQ	IOSP	Thu, Nov 30, 2023	105.39	106.02	104.30	105.07
6424	NASDAQ	IOSP	Wed, Nov 29, 2023	106.46	106.77	104.68	104.87
6423	NASDAQ	IOSP	Tue, Nov 28, 2023	105.96	106.04	104.87	105.55
6422	NASDAQ	IOSP	Mon, Nov 27, 2023	105.83	106.51	105.43	105.99
6421	NASDAQ	IOSP	Fri, Nov 24, 2023	106.12	107.21	106.00	106.43
6420	NASDAQ	IOSP	Wed, Nov 22, 2023	107.48	107.48	105.58	105.94
6419	NASDAQ	IOSP	Tue, Nov 21, 2023	107.71	108.30	106.54	106.57
6418	NASDAQ	IOSP	Mon, Nov 20, 2023	108.36	109.28	107.53	108.47
6417	NASDAQ	IOSP	Fri, Nov 17, 2023	108.56	109.99	108.07	108.46
6416	NASDAQ	IOSP	Thu, Nov 16, 2023	108.66	109.19	107.38	108.76
6415	NASDAQ	IOSP	Wed, Nov 15, 2023	108.39	110.24	108.32	109.26
6414	NASDAQ	IOSP	Tue, Nov 14, 2023	105.91	109.42	105.91	108.92
6413	NASDAQ	IOSP	Mon, Nov 13, 2023	100.77	103.54	100.77	103.43
6412	NASDAQ	IOSP	Fri, Nov 10, 2023	101.25	102.83	100.91	101.52
6411	NASDAQ	IOSP	Thu, Nov 9, 2023	101.60	102.51	100.51	100.92
6410	NASDAQ	IOSP	Wed, Nov 8, 2023	101.23	103.08	100.91	101.43
6409	NASDAQ	IOSP	Tue, Nov 7, 2023	99.97	99.99	98.55	99.47
6408	NASDAQ	IOSP	Mon, Nov 6, 2023	100.23	101.37	99.43	100.72
6407	NASDAQ	IOSP	Fri, Nov 3, 2023	99.39	101.27	98.79	100.35
6406	NASDAQ	IOSP	Thu, Nov 2, 2023	98.64	98.87	97.54	98.32
6405	NASDAQ	IOSP	Wed, Nov 1, 2023	98.39	98.91	96.92	97.81
6404	NASDAQ	IOSP	Tue, Oct 31, 2023	97.64	98.38	97.42	98.00
6403	NASDAQ	IOSP	Mon, Oct 30, 2023	97.12	97.94	96.89	97.61
6402	NASDAQ	IOSP	Fri, Oct 27, 2023	97.30	97.78	96.01	96.36
6401	NASDAQ	IOSP	Thu, Oct 26, 2023	97.90	98.28	96.85	97.57
6400	NASDAQ	IOSP	Wed, Oct 25, 2023	96.36	97.70	95.70	97.40
6399	NASDAQ	IOSP	Tue, Oct 24, 2023	97.55	97.63	96.55	96.92
6398	NASDAQ	IOSP	Mon, Oct 23, 2023	97.86	98.16	96.65	96.77
6397	NASDAQ	IOSP	Fri, Oct 20, 2023	98.67	99.19	97.96	98.01
6396	NASDAQ	IOSP	Thu, Oct 19, 2023	99.83	100.37	98.04	98.28
6395	NASDAQ	IOSP	Wed, Oct 18, 2023	100.22	100.38	99.08	99.82
6394	NASDAQ	IOSP	Tue, Oct 17, 2023	99.01	101.66	99.01	100.83
6393	NASDAQ	IOSP	Mon, Oct 16, 2023	99.53	100.48	98.78	99.09
6392	NASDAQ	IOSP	Fri, Oct 13, 2023	100.00	100.34	98.27	98.74
6391	NASDAQ	IOSP	Thu, Oct 12, 2023	101.75	101.75	98.75	99.58
6390	NASDAQ	IOSP	Wed, Oct 11, 2023	101.97	103.36	100.62	101.26
6389	NASDAQ	IOSP	Tue, Oct 10, 2023	102.78	103.46	101.99	102.13
6388	NASDAQ	IOSP	Mon, Oct 9, 2023	100.29	102.87	100.29	102.28
6387	NASDAQ	IOSP	Fri, Oct 6, 2023	100.27	102.21	100.04	101.15
6386	NASDAQ	IOSP	Thu, Oct 5, 2023	100.33	102.33	99.70	100.58
6385	NASDAQ	IOSP	Wed, Oct 4, 2023	100.89	101.56	99.31	100.77
6384	NASDAQ	IOSP	Tue, Oct 3, 2023	100.17	101.20	100.00	100.39
6383	NASDAQ	IOSP	Mon, Oct 2, 2023	101.72	101.72	99.79	100.48
6382	NASDAQ	IOSP	Fri, Sep 29, 2023	103.58	103.58	101.75	102.20
6381	NASDAQ	IOSP	Thu, Sep 28, 2023	102.38	104.03	102.34	103.23
6380	NASDAQ	IOSP	Wed, Sep 27, 2023	100.42	102.54	100.05	101.98
6379	NASDAQ	IOSP	Tue, Sep 26, 2023	101.83	101.89	99.08	99.82
6378	NASDAQ	IOSP	Mon, Sep 25, 2023	101.05	102.02	100.50	101.94
6377	NASDAQ	IOSP	Fri, Sep 22, 2023	101.21	102.58	100.94	101.68
6376	NASDAQ	IOSP	Thu, Sep 21, 2023	101.13	101.75	100.11	101.13
6375	NASDAQ	IOSP	Wed, Sep 20, 2023	104.04	104.06	101.18	101.42
6374	NASDAQ	IOSP	Tue, Sep 19, 2023	105.63	105.97	103.18	103.34
6373	NASDAQ	IOSP	Mon, Sep 18, 2023	107.22	107.22	104.99	105.44
6372	NASDAQ	IOSP	Fri, Sep 15, 2023	107.47	109.25	106.33	106.84
6371	NASDAQ	IOSP	Thu, Sep 14, 2023	108.38	108.43	107.01	107.50
6370	NASDAQ	IOSP	Wed, Sep 13, 2023	106.57	107.42	105.78	107.19
6369	NASDAQ	IOSP	Tue, Sep 12, 2023	104.80	106.54	104.58	106.51
6368	NASDAQ	IOSP	Mon, Sep 11, 2023	104.67	104.67	104.67	104.67
6367	NASDAQ	IOSP	Fri, Sep 8, 2023	103.97	104.70	103.10	103.62
6366	NASDAQ	IOSP	Thu, Sep 7, 2023	104.44	105.04	103.05	104.24
6365	NASDAQ	IOSP	Wed, Sep 6, 2023	103.58	104.43	102.12	104.36
6364	NASDAQ	IOSP	Tue, Sep 5, 2023	108.49	108.49	102.36	102.79
6363	NASDAQ	IOSP	Fri, Sep 1, 2023	108.35	110.63	108.35	109.12
6362	NASDAQ	IOSP	Thu, Aug 31, 2023	108.63	108.88	107.25	107.42
6361	NASDAQ	IOSP	Wed, Aug 30, 2023	107.32	109.22	107.32	108.67
6360	NASDAQ	IOSP	Tue, Aug 29, 2023	105.62	107.54	105.62	107.53
6359	NASDAQ	IOSP	Mon, Aug 28, 2023	103.85	106.26	103.85	105.89
6358	NASDAQ	IOSP	Fri, Aug 25, 2023	103.29	104.02	102.71	103.53
6357	NASDAQ	IOSP	Thu, Aug 24, 2023	103.15	104.29	102.56	103.21
6356	NASDAQ	IOSP	Wed, Aug 23, 2023	103.55	104.04	102.95	103.82
6355	NASDAQ	IOSP	Tue, Aug 22, 2023	104.90	104.90	103.36	103.55
6354	NASDAQ	IOSP	Mon, Aug 21, 2023	106.31	106.31	104.29	104.62
6353	NASDAQ	IOSP	Fri, Aug 18, 2023	103.97	106.63	103.97	106.48
6352	NASDAQ	IOSP	Thu, Aug 17, 2023	104.65	105.57	104.10	104.46
6351	NASDAQ	IOSP	Wed, Aug 16, 2023	104.70	105.44	103.34	104.09
6350	NASDAQ	IOSP	Tue, Aug 15, 2023	105.51	105.79	104.16	105.03
6349	NASDAQ	IOSP	Mon, Aug 14, 2023	107.23	107.37	105.55	106.54
6348	NASDAQ	IOSP	Fri, Aug 11, 2023	110.13	111.91	107.76	108.09
6347	NASDAQ	IOSP	Thu, Aug 10, 2023	107.91	110.16	107.00	109.90
6346	NASDAQ	IOSP	Wed, Aug 9, 2023	106.59	108.25	104.50	107.25
6345	NASDAQ	IOSP	Tue, Aug 8, 2023	105.76	105.76	103.96	104.04
6344	NASDAQ	IOSP	Mon, Aug 7, 2023	107.04	109.02	106.67	106.71
6343	NASDAQ	IOSP	Fri, Aug 4, 2023	107.71	108.21	106.60	107.02
6342	NASDAQ	IOSP	Thu, Aug 3, 2023	107.85	108.68	106.94	107.64
6341	NASDAQ	IOSP	Wed, Aug 2, 2023	106.78	107.86	106.49	107.72
6340	NASDAQ	IOSP	Tue, Aug 1, 2023	106.82	108.63	105.87	107.88
6339	NASDAQ	IOSP	Mon, Jul 31, 2023	105.86	107.92	105.84	107.14
6338	NASDAQ	IOSP	Fri, Jul 28, 2023	107.38	110.33	105.80	105.80
6337	NASDAQ	IOSP	Thu, Jul 27, 2023	108.60	108.60	105.48	106.41
6336	NASDAQ	IOSP	Wed, Jul 26, 2023	108.15	109.87	108.15	108.39
6335	NASDAQ	IOSP	Tue, Jul 25, 2023	107.35	109.17	106.12	108.64
6334	NASDAQ	IOSP	Mon, Jul 24, 2023	105.66	107.79	105.19	107.37
6333	NASDAQ	IOSP	Fri, Jul 21, 2023	105.60	106.81	105.28	105.52
6332	NASDAQ	IOSP	Thu, Jul 20, 2023	104.06	105.52	103.20	105.50
6331	NASDAQ	IOSP	Wed, Jul 19, 2023	102.95	103.64	101.86	103.47
6330	NASDAQ	IOSP	Tue, Jul 18, 2023	100.88	103.15	100.88	102.90
6329	NASDAQ	IOSP	Mon, Jul 17, 2023	100.87	101.51	100.71	100.73
6328	NASDAQ	IOSP	Fri, Jul 14, 2023	101.46	101.51	99.80	101.22
6327	NASDAQ	IOSP	Thu, Jul 13, 2023	101.78	102.23	101.08	101.90
6326	NASDAQ	IOSP	Wed, Jul 12, 2023	100.66	102.25	100.11	101.44
6325	NASDAQ	IOSP	Tue, Jul 11, 2023	99.47	100.15	98.14	99.29
6324	NASDAQ	IOSP	Mon, Jul 10, 2023	98.62	100.50	98.53	99.02
6323	NASDAQ	IOSP	Fri, Jul 7, 2023	98.33	99.88	98.30	98.95
6322	NASDAQ	IOSP	Thu, Jul 6, 2023	98.49	98.94	97.15	98.35
6321	NASDAQ	IOSP	Wed, Jul 5, 2023	101.25	101.25	99.11	99.35
6320	NASDAQ	IOSP	Mon, Jul 3, 2023	100.06	101.93	100.06	101.55
6319	NASDAQ	IOSP	Fri, Jun 30, 2023	101.51	101.57	100.13	100.44
6318	NASDAQ	IOSP	Thu, Jun 29, 2023	98.83	101.13	98.83	100.62
6317	NASDAQ	IOSP	Wed, Jun 28, 2023	98.86	98.89	97.26	98.74
6316	NASDAQ	IOSP	Tue, Jun 27, 2023	98.36	99.44	97.37	98.67
6315	NASDAQ	IOSP	Mon, Jun 26, 2023	97.05	98.97	96.85	98.07
6314	NASDAQ	IOSP	Fri, Jun 23, 2023	96.88	98.07	96.30	97.05
6313	NASDAQ	IOSP	Thu, Jun 22, 2023	98.57	98.57	97.15	98.29
6312	NASDAQ	IOSP	Wed, Jun 21, 2023	98.54	99.56	98.00	98.84
6311	NASDAQ	IOSP	Tue, Jun 20, 2023	100.39	100.39	98.55	98.85
6310	NASDAQ	IOSP	Fri, Jun 16, 2023	101.75	102.51	99.32	101.07
6309	NASDAQ	IOSP	Thu, Jun 15, 2023	99.42	100.97	99.02	100.89
6308	NASDAQ	IOSP	Wed, Jun 14, 2023	100.94	100.97	99.09	99.40
6307	NASDAQ	IOSP	Tue, Jun 13, 2023	99.57	101.37	99.57	100.39
6306	NASDAQ	IOSP	Mon, Jun 12, 2023	100.02	100.86	98.98	99.26
6305	NASDAQ	IOSP	Fri, Jun 9, 2023	100.94	100.94	98.85	99.96
6304	NASDAQ	IOSP	Thu, Jun 8, 2023	102.60	102.60	100.38	101.52
6303	NASDAQ	IOSP	Wed, Jun 7, 2023	99.58	103.28	99.09	102.67
6302	NASDAQ	IOSP	Tue, Jun 6, 2023	96.31	99.95	96.20	99.19
6301	NASDAQ	IOSP	Mon, Jun 5, 2023	98.74	99.96	94.14	96.62
6300	NASDAQ	IOSP	Fri, Jun 2, 2023	95.18	99.81	95.08	99.56
6299	NASDAQ	IOSP	Thu, Jun 1, 2023	92.69	94.36	91.74	93.74
6298	NASDAQ	IOSP	Wed, May 31, 2023	94.09	94.58	92.29	92.36
6297	NASDAQ	IOSP	Tue, May 30, 2023	94.87	94.93	94.01	94.14
6296	NASDAQ	IOSP	Fri, May 26, 2023	95.09	96.39	94.12	94.96
6295	NASDAQ	IOSP	Thu, May 25, 2023	96.57	97.83	94.22	95.09
6294	NASDAQ	IOSP	Wed, May 24, 2023	99.03	99.03	96.75	96.96
6293	NASDAQ	IOSP	Tue, May 23, 2023	99.18	101.10	97.60	99.49
6292	NASDAQ	IOSP	Mon, May 22, 2023	99.15	99.69	98.36	99.04
6291	NASDAQ	IOSP	Fri, May 19, 2023	99.29	99.98	98.53	98.70
6290	NASDAQ	IOSP	Thu, May 18, 2023	98.06	98.79	97.47	98.76
6289	NASDAQ	IOSP	Wed, May 17, 2023	96.67	97.90	96.18	97.90
6288	NASDAQ	IOSP	Tue, May 16, 2023	97.03	97.03	95.94	96.57
6287	NASDAQ	IOSP	Mon, May 15, 2023	97.41	98.11	96.88	97.45
6286	NASDAQ	IOSP	Fri, May 12, 2023	97.11	97.70	95.99	97.18
6285	NASDAQ	IOSP	Thu, May 11, 2023	95.87	96.73	95.57	96.51
6284	NASDAQ	IOSP	Wed, May 10, 2023	98.13	98.13	96.00	96.75
6283	NASDAQ	IOSP	Tue, May 9, 2023	98.36	98.36	96.85	96.89
6282	NASDAQ	IOSP	Mon, May 8, 2023	100.47	100.78	98.20	98.36
6281	NASDAQ	IOSP	Fri, May 5, 2023	102.06	102.40	99.56	99.68
6280	NASDAQ	IOSP	Thu, May 4, 2023	106.18	106.18	97.50	100.22
6279	NASDAQ	IOSP	Wed, May 3, 2023	100.08	101.17	98.44	98.83
6278	NASDAQ	IOSP	Tue, May 2, 2023	100.19	100.44	98.10	99.64
6277	NASDAQ	IOSP	Mon, May 1, 2023	101.35	102.78	100.76	100.92
6276	NASDAQ	IOSP	Fri, Apr 28, 2023	100.95	102.78	100.86	101.63
6275	NASDAQ	IOSP	Thu, Apr 27, 2023	100.20	101.17	99.16	100.84
6274	NASDAQ	IOSP	Wed, Apr 26, 2023	100.91	101.63	99.71	100.14
6273	NASDAQ	IOSP	Tue, Apr 25, 2023	103.84	103.84	101.53	101.66
6272	NASDAQ	IOSP	Mon, Apr 24, 2023	104.38	105.61	104.22	104.95
6271	NASDAQ	IOSP	Fri, Apr 21, 2023	105.15	105.56	103.58	104.27
6270	NASDAQ	IOSP	Thu, Apr 20, 2023	105.27	105.88	103.82	105.32
6269	NASDAQ	IOSP	Wed, Apr 19, 2023	106.00	106.56	105.13	105.81
6268	NASDAQ	IOSP	Tue, Apr 18, 2023	108.01	108.26	105.66	106.32
6267	NASDAQ	IOSP	Mon, Apr 17, 2023	106.23	107.26	105.88	107.19
6266	NASDAQ	IOSP	Fri, Apr 14, 2023	106.45	107.26	105.38	106.22
6265	NASDAQ	IOSP	Thu, Apr 13, 2023	106.70	106.87	105.64	106.30
6264	NASDAQ	IOSP	Wed, Apr 12, 2023	106.97	106.97	105.26	106.26
6263	NASDAQ	IOSP	Tue, Apr 11, 2023	105.99	106.92	105.06	106.06
6262	NASDAQ	IOSP	Mon, Apr 10, 2023	102.06	106.00	101.27	105.67
6261	NASDAQ	IOSP	Thu, Apr 6, 2023	102.32	102.98	100.99	102.13
6260	NASDAQ	IOSP	Wed, Apr 5, 2023	101.70	102.73	101.19	102.36
6259	NASDAQ	IOSP	Tue, Apr 4, 2023	103.36	103.37	100.67	102.15
6258	NASDAQ	IOSP	Mon, Apr 3, 2023	103.05	103.97	101.44	103.03
6257	NASDAQ	IOSP	Fri, Mar 31, 2023	101.56	102.86	100.76	102.67
6256	NASDAQ	IOSP	Thu, Mar 30, 2023	102.48	102.48	100.58	100.96
6255	NASDAQ	IOSP	Wed, Mar 29, 2023	103.11	103.11	100.38	101.75
6254	NASDAQ	IOSP	Tue, Mar 28, 2023	100.62	102.35	100.05	102.15
6253	NASDAQ	IOSP	Mon, Mar 27, 2023	101.28	101.75	98.24	100.82
6252	NASDAQ	IOSP	Fri, Mar 24, 2023	98.18	100.41	94.60	100.33
6251	NASDAQ	IOSP	Thu, Mar 23, 2023	100.01	101.68	98.14	99.19
6250	NASDAQ	IOSP	Wed, Mar 22, 2023	102.20	102.80	99.28	99.90
6249	NASDAQ	IOSP	Tue, Mar 21, 2023	103.76	104.01	101.87	102.78
6248	NASDAQ	IOSP	Mon, Mar 20, 2023	101.32	103.37	101.23	102.08
6247	NASDAQ	IOSP	Fri, Mar 17, 2023	101.15	101.38	99.58	100.04
6246	NASDAQ	IOSP	Thu, Mar 16, 2023	98.50	102.57	98.25	102.14
6245	NASDAQ	IOSP	Wed, Mar 15, 2023	99.77	100.90	98.73	99.81
6244	NASDAQ	IOSP	Tue, Mar 14, 2023	102.18	104.48	101.10	102.41
6243	NASDAQ	IOSP	Mon, Mar 13, 2023	99.64	101.28	96.98	99.30
6242	NASDAQ	IOSP	Fri, Mar 10, 2023	103.61	103.61	100.36	101.31
6241	NASDAQ	IOSP	Thu, Mar 9, 2023	106.38	106.79	104.02	104.15
6240	NASDAQ	IOSP	Wed, Mar 8, 2023	106.89	107.61	105.20	106.38
6239	NASDAQ	IOSP	Tue, Mar 7, 2023	106.04	106.92	104.21	106.32
6238	NASDAQ	IOSP	Mon, Mar 6, 2023	111.11	111.30	103.69	105.70
6237	NASDAQ	IOSP	Fri, Mar 3, 2023	110.49	111.35	107.55	111.35
6236	NASDAQ	IOSP	Thu, Mar 2, 2023	107.92	110.06	107.60	109.88
6235	NASDAQ	IOSP	Wed, Mar 1, 2023	109.41	111.04	108.65	108.89
6234	NASDAQ	IOSP	Tue, Feb 28, 2023	111.21	112.11	109.32	109.46
6233	NASDAQ	IOSP	Mon, Feb 27, 2023	110.00	112.10	109.62	111.71
6232	NASDAQ	IOSP	Fri, Feb 24, 2023	107.53	109.64	106.97	109.42
6231	NASDAQ	IOSP	Thu, Feb 23, 2023	109.40	111.50	107.53	108.84
6230	NASDAQ	IOSP	Wed, Feb 22, 2023	109.03	112.48	102.00	108.80
6229	NASDAQ	IOSP	Tue, Feb 21, 2023	114.45	114.87	112.55	112.64
6228	NASDAQ	IOSP	Fri, Feb 17, 2023	114.84	116.00	114.34	115.31
6227	NASDAQ	IOSP	Thu, Feb 16, 2023	112.78	115.63	111.19	114.65
6226	NASDAQ	IOSP	Wed, Feb 15, 2023	112.73	114.14	112.34	114.08
6225	NASDAQ	IOSP	Tue, Feb 14, 2023	112.01	113.97	111.10	113.43
6224	NASDAQ	IOSP	Mon, Feb 13, 2023	109.71	112.17	109.71	112.13
6223	NASDAQ	IOSP	Fri, Feb 10, 2023	109.05	109.73	108.42	109.65
6222	NASDAQ	IOSP	Thu, Feb 9, 2023	112.68	113.04	109.21	109.70
6221	NASDAQ	IOSP	Wed, Feb 8, 2023	113.59	114.21	111.41	111.99
6220	NASDAQ	IOSP	Tue, Feb 7, 2023	113.55	115.12	113.27	114.38
6219	NASDAQ	IOSP	Mon, Feb 6, 2023	114.50	115.11	113.30	114.15
6218	NASDAQ	IOSP	Fri, Feb 3, 2023	114.65	115.55	112.80	114.62
6217	NASDAQ	IOSP	Thu, Feb 2, 2023	114.37	115.41	112.93	115.27
6216	NASDAQ	IOSP	Wed, Feb 1, 2023	112.50	115.77	112.48	114.30
6215	NASDAQ	IOSP	Tue, Jan 31, 2023	110.02	113.02	109.37	113.02
6214	NASDAQ	IOSP	Mon, Jan 30, 2023	109.53	111.08	109.21	109.55
6213	NASDAQ	IOSP	Fri, Jan 27, 2023	110.96	111.21	109.27	109.87
6212	NASDAQ	IOSP	Thu, Jan 26, 2023	110.28	110.98	109.88	110.98
6211	NASDAQ	IOSP	Wed, Jan 25, 2023	109.15	110.54	108.41	109.92
6210	NASDAQ	IOSP	Tue, Jan 24, 2023	110.41	111.97	109.72	109.87
6209	NASDAQ	IOSP	Mon, Jan 23, 2023	111.05	111.59	109.93	110.38
6208	NASDAQ	IOSP	Fri, Jan 20, 2023	111.97	111.97	110.77	111.21
6207	NASDAQ	IOSP	Thu, Jan 19, 2023	111.21	112.18	109.96	111.26
6206	NASDAQ	IOSP	Wed, Jan 18, 2023	111.42	112.39	110.23	111.28
6205	NASDAQ	IOSP	Tue, Jan 17, 2023	110.08	110.93	109.63	110.88
6204	NASDAQ	IOSP	Fri, Jan 13, 2023	108.00	109.95	107.27	109.72
6203	NASDAQ	IOSP	Thu, Jan 12, 2023	106.19	108.35	105.85	108.20
6202	NASDAQ	IOSP	Wed, Jan 11, 2023	105.13	106.08	104.31	105.51
6201	NASDAQ	IOSP	Tue, Jan 10, 2023	104.49	105.26	103.58	104.97
6200	NASDAQ	IOSP	Mon, Jan 9, 2023	106.40	106.61	103.89	104.33
6199	NASDAQ	IOSP	Fri, Jan 6, 2023	104.36	106.34	102.51	105.48
6198	NASDAQ	IOSP	Thu, Jan 5, 2023	103.95	104.47	102.27	102.80
6197	NASDAQ	IOSP	Wed, Jan 4, 2023	103.88	106.33	103.58	104.66
6196	NASDAQ	IOSP	Tue, Jan 3, 2023	103.08	103.75	101.41	103.54
6195	NASDAQ	IOSP	Fri, Dec 30, 2022	103.33	103.83	102.33	102.86
6194	NASDAQ	IOSP	Thu, Dec 29, 2022	104.07	104.63	103.44	104.17
6193	NASDAQ	IOSP	Wed, Dec 28, 2022	104.15	105.14	102.68	103.30
6192	NASDAQ	IOSP	Tue, Dec 27, 2022	104.72	105.27	103.62	104.35
6191	NASDAQ	IOSP	Fri, Dec 23, 2022	102.93	104.99	102.78	104.58
6190	NASDAQ	IOSP	Thu, Dec 22, 2022	104.03	104.43	102.18	103.38
6189	NASDAQ	IOSP	Wed, Dec 21, 2022	104.47	106.15	103.67	105.20
6188	NASDAQ	IOSP	Tue, Dec 20, 2022	104.45	105.71	103.24	103.51
6187	NASDAQ	IOSP	Mon, Dec 19, 2022	103.75	105.96	103.50	104.78
6186	NASDAQ	IOSP	Fri, Dec 16, 2022	101.63	103.36	101.63	103.06
6185	NASDAQ	IOSP	Thu, Dec 15, 2022	104.50	104.50	102.72	102.87
6184	NASDAQ	IOSP	Wed, Dec 14, 2022	106.75	108.54	105.05	105.50
6183	NASDAQ	IOSP	Tue, Dec 13, 2022	109.96	111.01	106.45	106.89
6182	NASDAQ	IOSP	Mon, Dec 12, 2022	107.72	107.85	106.54	107.74
6181	NASDAQ	IOSP	Fri, Dec 9, 2022	108.56	109.15	106.94	107.22
6180	NASDAQ	IOSP	Thu, Dec 8, 2022	109.15	109.85	108.48	109.23
6179	NASDAQ	IOSP	Wed, Dec 7, 2022	108.37	110.04	107.89	108.99
6178	NASDAQ	IOSP	Tue, Dec 6, 2022	109.14	109.61	106.53	107.51
6177	NASDAQ	IOSP	Mon, Dec 5, 2022	110.05	110.50	107.13	108.92
6176	NASDAQ	IOSP	Fri, Dec 2, 2022	110.11	112.30	108.17	111.29
6175	NASDAQ	IOSP	Thu, Dec 1, 2022	111.31	112.20	108.73	111.48
6174	NASDAQ	IOSP	Wed, Nov 30, 2022	109.24	111.87	107.23	110.89
6173	NASDAQ	IOSP	Tue, Nov 29, 2022	109.73	111.17	107.76	109.06
6172	NASDAQ	IOSP	Mon, Nov 28, 2022	110.20	114.21	108.09	109.25
6171	NASDAQ	IOSP	Fri, Nov 25, 2022	111.10	112.70	111.10	111.20
6170	NASDAQ	IOSP	Wed, Nov 23, 2022	112.36	112.77	110.81	111.80
6169	NASDAQ	IOSP	Tue, Nov 22, 2022	111.29	113.25	110.90	112.66
6168	NASDAQ	IOSP	Mon, Nov 21, 2022	110.46	115.66	110.30	111.07
6167	NASDAQ	IOSP	Fri, Nov 18, 2022	111.08	112.67	109.61	111.01
6166	NASDAQ	IOSP	Thu, Nov 17, 2022	109.06	110.34	108.47	110.33
6165	NASDAQ	IOSP	Wed, Nov 16, 2022	110.58	111.54	110.14	110.61
6164	NASDAQ	IOSP	Tue, Nov 15, 2022	110.19	113.05	108.69	110.54
6163	NASDAQ	IOSP	Mon, Nov 14, 2022	107.05	110.61	106.59	109.34
6162	NASDAQ	IOSP	Fri, Nov 11, 2022	108.59	111.55	106.89	108.24
6161	NASDAQ	IOSP	Thu, Nov 10, 2022	105.20	108.78	104.81	108.78
6160	NASDAQ	IOSP	Wed, Nov 9, 2022	103.99	105.99	100.94	101.20
6159	NASDAQ	IOSP	Tue, Nov 8, 2022	102.29	104.99	101.03	101.82
6158	NASDAQ	IOSP	Mon, Nov 7, 2022	103.12	104.13	101.52	102.29
6157	NASDAQ	IOSP	Fri, Nov 4, 2022	99.22	103.18	99.04	103.18
6156	NASDAQ	IOSP	Thu, Nov 3, 2022	95.19	99.14	93.82	97.79
6155	NASDAQ	IOSP	Wed, Nov 2, 2022	100.29	100.44	96.19	96.36
6154	NASDAQ	IOSP	Tue, Nov 1, 2022	100.84	101.12	98.46	98.94
6153	NASDAQ	IOSP	Mon, Oct 31, 2022	98.11	100.42	97.95	99.99
6152	NASDAQ	IOSP	Fri, Oct 28, 2022	95.91	99.23	95.46	98.62
6151	NASDAQ	IOSP	Thu, Oct 27, 2022	96.37	97.81	95.50	95.96
6150	NASDAQ	IOSP	Wed, Oct 26, 2022	95.44	98.25	94.01	96.25
6149	NASDAQ	IOSP	Tue, Oct 25, 2022	94.43	96.61	93.93	94.99
6148	NASDAQ	IOSP	Mon, Oct 24, 2022	95.08	95.36	94.24	94.42
6147	NASDAQ	IOSP	Fri, Oct 21, 2022	91.92	95.28	91.31	94.34
6146	NASDAQ	IOSP	Thu, Oct 20, 2022	93.43	94.34	90.25	91.28
6145	NASDAQ	IOSP	Wed, Oct 19, 2022	92.21	93.82	92.09	93.67
6144	NASDAQ	IOSP	Tue, Oct 18, 2022	92.71	93.67	92.19	93.20
6143	NASDAQ	IOSP	Mon, Oct 17, 2022	90.29	92.30	90.29	91.15
6142	NASDAQ	IOSP	Fri, Oct 14, 2022	91.89	92.56	89.20	89.37
6141	NASDAQ	IOSP	Thu, Oct 13, 2022	87.12	91.24	87.12	90.80
6140	NASDAQ	IOSP	Wed, Oct 12, 2022	87.80	88.77	86.76	88.32
6139	NASDAQ	IOSP	Tue, Oct 11, 2022	86.18	88.32	85.77	87.44
6138	NASDAQ	IOSP	Mon, Oct 10, 2022	84.41	87.00	83.13	86.33
6137	NASDAQ	IOSP	Fri, Oct 7, 2022	85.55	85.61	83.79	84.41
6136	NASDAQ	IOSP	Thu, Oct 6, 2022	88.42	88.78	86.99	87.44
6135	NASDAQ	IOSP	Wed, Oct 5, 2022	88.64	89.21	87.66	88.51
6134	NASDAQ	IOSP	Tue, Oct 4, 2022	88.20	90.16	88.05	89.33
6133	NASDAQ	IOSP	Mon, Oct 3, 2022	86.44	88.08	86.44	87.25
6132	NASDAQ	IOSP	Fri, Sep 30, 2022	86.35	88.46	85.64	85.67
6131	NASDAQ	IOSP	Thu, Sep 29, 2022	87.15	87.50	84.61	86.25
6130	NASDAQ	IOSP	Wed, Sep 28, 2022	86.23	88.43	85.29	87.65
6129	NASDAQ	IOSP	Tue, Sep 27, 2022	87.73	88.19	85.32	85.49
6128	NASDAQ	IOSP	Mon, Sep 26, 2022	88.31	91.26	87.15	87.21
6127	NASDAQ	IOSP	Fri, Sep 23, 2022	89.50	90.36	87.22	89.05
6126	NASDAQ	IOSP	Thu, Sep 22, 2022	89.54	90.92	88.29	90.46
6125	NASDAQ	IOSP	Wed, Sep 21, 2022	90.73	92.63	89.89	89.91
6124	NASDAQ	IOSP	Tue, Sep 20, 2022	89.33	90.17	88.08	89.87
6123	NASDAQ	IOSP	Mon, Sep 19, 2022	87.04	90.17	87.04	89.91
6122	NASDAQ	IOSP	Fri, Sep 16, 2022	86.32	88.02	85.89	87.56
6121	NASDAQ	IOSP	Thu, Sep 15, 2022	87.53	87.68	85.94	86.70
6120	NASDAQ	IOSP	Wed, Sep 14, 2022	88.83	89.54	87.31	88.18
6119	NASDAQ	IOSP	Tue, Sep 13, 2022	91.51	92.97	88.87	88.87
6118	NASDAQ	IOSP	Mon, Sep 12, 2022	91.06	93.35	90.97	93.07
6117	NASDAQ	IOSP	Fri, Sep 9, 2022	89.04	90.79	88.37	90.51
6116	NASDAQ	IOSP	Thu, Sep 8, 2022	88.08	88.61	87.25	88.44
6115	NASDAQ	IOSP	Wed, Sep 7, 2022	87.07	89.44	86.75	89.07
6114	NASDAQ	IOSP	Tue, Sep 6, 2022	89.64	89.64	86.66	87.52
6113	NASDAQ	IOSP	Fri, Sep 2, 2022	91.00	91.63	88.71	89.37
6112	NASDAQ	IOSP	Thu, Sep 1, 2022	92.55	92.66	89.82	90.53
6111	NASDAQ	IOSP	Wed, Aug 31, 2022	93.65	94.87	92.86	93.46
6110	NASDAQ	IOSP	Tue, Aug 30, 2022	96.52	96.55	93.69	93.72
6109	NASDAQ	IOSP	Mon, Aug 29, 2022	96.99	97.66	96.33	96.72
6108	NASDAQ	IOSP	Fri, Aug 26, 2022	100.83	102.40	97.79	97.84
6107	NASDAQ	IOSP	Thu, Aug 25, 2022	99.01	101.86	97.30	100.76
6106	NASDAQ	IOSP	Wed, Aug 24, 2022	100.93	101.04	98.37	98.88
6105	NASDAQ	IOSP	Tue, Aug 23, 2022	100.55	102.61	100.55	101.22
6104	NASDAQ	IOSP	Mon, Aug 22, 2022	102.04	102.04	100.22	100.39
6103	NASDAQ	IOSP	Fri, Aug 19, 2022	102.38	103.04	101.84	102.38
6102	NASDAQ	IOSP	Thu, Aug 18, 2022	101.44	103.12	101.31	103.11
6101	NASDAQ	IOSP	Wed, Aug 17, 2022	100.46	101.52	99.78	101.32
6100	NASDAQ	IOSP	Tue, Aug 16, 2022	99.47	100.81	98.81	100.69
6099	NASDAQ	IOSP	Mon, Aug 15, 2022	99.20	100.00	98.25	99.27
6098	NASDAQ	IOSP	Fri, Aug 12, 2022	98.71	100.14	98.62	99.45
6097	NASDAQ	IOSP	Thu, Aug 11, 2022	98.26	99.45	98.00	98.37
6096	NASDAQ	IOSP	Wed, Aug 10, 2022	97.94	98.66	94.85	97.55
6095	NASDAQ	IOSP	Tue, Aug 9, 2022	96.27	97.37	95.30	96.65
6094	NASDAQ	IOSP	Mon, Aug 8, 2022	95.99	97.20	95.35	96.04
6093	NASDAQ	IOSP	Fri, Aug 5, 2022	95.12	96.86	95.00	95.24
6092	NASDAQ	IOSP	Thu, Aug 4, 2022	98.19	98.90	95.17	96.03
6091	NASDAQ	IOSP	Wed, Aug 3, 2022	100.62	101.35	96.76	98.67
6090	NASDAQ	IOSP	Tue, Aug 2, 2022	102.19	103.02	100.64	100.64
6089	NASDAQ	IOSP	Mon, Aug 1, 2022	101.21	104.06	100.85	103.03
6088	NASDAQ	IOSP	Fri, Jul 29, 2022	101.21	102.57	101.21	102.00
6087	NASDAQ	IOSP	Thu, Jul 28, 2022	101.17	101.83	98.86	101.14
6086	NASDAQ	IOSP	Wed, Jul 27, 2022	99.36	101.77	98.48	100.73
6085	NASDAQ	IOSP	Tue, Jul 26, 2022	99.23	100.30	98.37	98.84
6084	NASDAQ	IOSP	Mon, Jul 25, 2022	98.19	99.23	97.80	99.23
6083	NASDAQ	IOSP	Fri, Jul 22, 2022	98.56	99.69	97.03	97.61
6082	NASDAQ	IOSP	Thu, Jul 21, 2022	97.41	98.42	96.84	98.25
6081	NASDAQ	IOSP	Wed, Jul 20, 2022	96.69	98.95	96.44	98.32
6080	NASDAQ	IOSP	Tue, Jul 19, 2022	94.66	97.99	93.57	97.12
6079	NASDAQ	IOSP	Mon, Jul 18, 2022	93.89	94.77	93.31	94.00
6078	NASDAQ	IOSP	Fri, Jul 15, 2022	92.15	93.28	91.28	93.22
6077	NASDAQ	IOSP	Thu, Jul 14, 2022	89.22	91.36	89.22	91.23
6076	NASDAQ	IOSP	Wed, Jul 13, 2022	89.58	93.47	88.93	90.55
6075	NASDAQ	IOSP	Tue, Jul 12, 2022	91.35	92.64	90.06	90.76
6074	NASDAQ	IOSP	Mon, Jul 11, 2022	91.52	91.93	90.60	91.44
6073	NASDAQ	IOSP	Fri, Jul 8, 2022	92.99	92.99	91.21	92.40
6072	NASDAQ	IOSP	Thu, Jul 7, 2022	92.44	94.31	92.32	93.15
6071	NASDAQ	IOSP	Wed, Jul 6, 2022	93.90	94.49	89.84	91.81
6070	NASDAQ	IOSP	Tue, Jul 5, 2022	94.43	94.97	91.51	94.14
6069	NASDAQ	IOSP	Fri, Jul 1, 2022	95.29	96.49	94.44	95.88
6068	NASDAQ	IOSP	Thu, Jun 30, 2022	93.88	96.27	92.84	95.79
6067	NASDAQ	IOSP	Wed, Jun 29, 2022	94.67	95.29	92.19	95.04
6066	NASDAQ	IOSP	Tue, Jun 28, 2022	94.23	95.47	93.34	95.02
6065	NASDAQ	IOSP	Mon, Jun 27, 2022	94.10	94.68	92.53	93.55
6064	NASDAQ	IOSP	Fri, Jun 24, 2022	91.52	94.39	91.52	93.63
6063	NASDAQ	IOSP	Thu, Jun 23, 2022	90.99	91.85	89.89	91.26
6062	NASDAQ	IOSP	Wed, Jun 22, 2022	87.71	91.32	86.21	90.99
6061	NASDAQ	IOSP	Tue, Jun 21, 2022	87.94	90.09	86.52	88.85
6060	NASDAQ	IOSP	Fri, Jun 17, 2022	90.80	90.80	86.92	87.29
6059	NASDAQ	IOSP	Thu, Jun 16, 2022	92.84	92.84	89.53	89.93
6058	NASDAQ	IOSP	Wed, Jun 15, 2022	95.49	96.29	93.41	94.39
6057	NASDAQ	IOSP	Tue, Jun 14, 2022	95.88	95.88	93.50	94.92
6056	NASDAQ	IOSP	Mon, Jun 13, 2022	96.56	97.20	95.18	95.39
6055	NASDAQ	IOSP	Fri, Jun 10, 2022	99.77	100.39	97.78	98.41
6054	NASDAQ	IOSP	Thu, Jun 9, 2022	102.25	102.76	100.70	100.72
6053	NASDAQ	IOSP	Wed, Jun 8, 2022	103.61	104.98	102.44	102.56
6052	NASDAQ	IOSP	Tue, Jun 7, 2022	104.25	104.83	102.98	104.29
6051	NASDAQ	IOSP	Mon, Jun 6, 2022	105.29	105.83	103.78	104.75
6050	NASDAQ	IOSP	Fri, Jun 3, 2022	105.67	105.67	103.43	104.36
6049	NASDAQ	IOSP	Thu, Jun 2, 2022	102.80	106.08	102.80	105.91
6048	NASDAQ	IOSP	Wed, Jun 1, 2022	102.84	103.51	101.45	102.54
6047	NASDAQ	IOSP	Tue, May 31, 2022	104.03	104.32	101.58	102.03
6046	NASDAQ	IOSP	Fri, May 27, 2022	102.66	104.60	102.01	104.36
6045	NASDAQ	IOSP	Thu, May 26, 2022	102.21	103.27	101.56	102.31
6044	NASDAQ	IOSP	Wed, May 25, 2022	101.08	101.92	97.62	101.63
6043	NASDAQ	IOSP	Tue, May 24, 2022	100.87	101.64	99.03	101.15
6042	NASDAQ	IOSP	Mon, May 23, 2022	103.29	103.29	100.91	101.18
6041	NASDAQ	IOSP	Fri, May 20, 2022	103.19	103.74	100.78	102.09
6040	NASDAQ	IOSP	Thu, May 19, 2022	103.17	104.09	102.02	102.40
6039	NASDAQ	IOSP	Wed, May 18, 2022	105.88	105.95	103.59	103.99
6038	NASDAQ	IOSP	Tue, May 17, 2022	104.27	106.87	104.19	106.03
6037	NASDAQ	IOSP	Mon, May 16, 2022	100.58	103.07	99.99	102.97
6036	NASDAQ	IOSP	Fri, May 13, 2022	100.48	102.75	98.60	101.49
6035	NASDAQ	IOSP	Thu, May 12, 2022	99.17	100.50	97.97	100.25
6034	NASDAQ	IOSP	Wed, May 11, 2022	98.04	101.89	98.04	98.87
6033	NASDAQ	IOSP	Tue, May 10, 2022	100.73	100.95	95.25	98.19
6032	NASDAQ	IOSP	Mon, May 9, 2022	100.27	101.31	99.80	100.59
6031	NASDAQ	IOSP	Fri, May 6, 2022	100.04	102.73	99.11	100.91
6030	NASDAQ	IOSP	Thu, May 5, 2022	99.24	100.98	98.64	99.94
6029	NASDAQ	IOSP	Wed, May 4, 2022	97.21	100.42	94.57	99.96
6028	NASDAQ	IOSP	Tue, May 3, 2022	95.77	98.19	95.44	97.21
6027	NASDAQ	IOSP	Mon, May 2, 2022	96.04	97.04	94.08	95.73
6026	NASDAQ	IOSP	Fri, Apr 29, 2022	95.56	96.96	95.24	95.31
6025	NASDAQ	IOSP	Thu, Apr 28, 2022	93.78	96.33	93.02	96.09
6024	NASDAQ	IOSP	Wed, Apr 27, 2022	91.96	94.42	91.21	93.41
6023	NASDAQ	IOSP	Tue, Apr 26, 2022	94.23	95.24	92.09	92.10
6022	NASDAQ	IOSP	Mon, Apr 25, 2022	92.82	95.20	90.22	94.64
6021	NASDAQ	IOSP	Fri, Apr 22, 2022	93.90	94.55	92.63	93.61
6020	NASDAQ	IOSP	Thu, Apr 21, 2022	96.77	97.13	93.60	94.10
6019	NASDAQ	IOSP	Wed, Apr 20, 2022	95.53	96.90	95.30	95.80
6018	NASDAQ	IOSP	Tue, Apr 19, 2022	92.87	96.21	92.87	95.41
6017	NASDAQ	IOSP	Mon, Apr 18, 2022	93.90	94.40	93.08	93.23
6016	NASDAQ	IOSP	Thu, Apr 14, 2022	93.91	95.15	92.88	93.83
6015	NASDAQ	IOSP	Wed, Apr 13, 2022	91.90	93.65	91.44	93.53
6014	NASDAQ	IOSP	Tue, Apr 12, 2022	90.67	92.39	90.67	91.69
6013	NASDAQ	IOSP	Mon, Apr 11, 2022	91.02	92.19	89.57	89.91
6012	NASDAQ	IOSP	Fri, Apr 8, 2022	93.03	94.11	91.14	91.41
6011	NASDAQ	IOSP	Thu, Apr 7, 2022	94.07	94.07	92.98	93.13
6010	NASDAQ	IOSP	Wed, Apr 6, 2022	93.34	94.40	92.72	93.57
6009	NASDAQ	IOSP	Tue, Apr 5, 2022	95.12	95.58	93.22	93.50
6008	NASDAQ	IOSP	Mon, Apr 4, 2022	94.22	95.33	92.65	95.07
6007	NASDAQ	IOSP	Fri, Apr 1, 2022	93.14	94.98	93.14	94.23
6006	NASDAQ	IOSP	Thu, Mar 31, 2022	92.39	93.54	92.14	92.55
6005	NASDAQ	IOSP	Wed, Mar 30, 2022	96.18	96.18	92.46	92.99
6004	NASDAQ	IOSP	Tue, Mar 29, 2022	95.21	97.34	94.87	95.73
6003	NASDAQ	IOSP	Mon, Mar 28, 2022	97.77	97.77	94.40	94.65
6002	NASDAQ	IOSP	Fri, Mar 25, 2022	96.99	98.76	96.01	98.07
6001	NASDAQ	IOSP	Thu, Mar 24, 2022	95.56	96.76	94.80	96.54
6000	NASDAQ	IOSP	Wed, Mar 23, 2022	94.12	95.49	93.21	95.32
5999	NASDAQ	IOSP	Tue, Mar 22, 2022	94.31	96.14	94.15	94.80
5998	NASDAQ	IOSP	Mon, Mar 21, 2022	94.23	94.86	92.91	93.71
5997	NASDAQ	IOSP	Fri, Mar 18, 2022	95.35	95.45	93.37	93.90
5996	NASDAQ	IOSP	Thu, Mar 17, 2022	93.65	96.23	93.65	95.15
5995	NASDAQ	IOSP	Wed, Mar 16, 2022	92.01	94.60	92.01	94.42
5994	NASDAQ	IOSP	Tue, Mar 15, 2022	92.90	93.49	90.33	91.24
5993	NASDAQ	IOSP	Mon, Mar 14, 2022	92.13	93.44	90.96	92.29
5992	NASDAQ	IOSP	Fri, Mar 11, 2022	93.20	94.09	91.49	91.49
5991	NASDAQ	IOSP	Thu, Mar 10, 2022	90.95	92.71	88.74	92.59
5990	NASDAQ	IOSP	Wed, Mar 9, 2022	91.60	92.44	91.05	91.87
5989	NASDAQ	IOSP	Tue, Mar 8, 2022	92.52	92.76	89.79	90.00
5988	NASDAQ	IOSP	Mon, Mar 7, 2022	93.99	95.02	91.97	91.97
5987	NASDAQ	IOSP	Fri, Mar 4, 2022	94.58	95.32	93.75	94.36
5986	NASDAQ	IOSP	Thu, Mar 3, 2022	97.16	97.39	94.93	95.50
5985	NASDAQ	IOSP	Wed, Mar 2, 2022	91.93	96.94	91.93	96.49
5984	NASDAQ	IOSP	Tue, Mar 1, 2022	94.92	95.50	89.90	91.63
5983	NASDAQ	IOSP	Mon, Feb 28, 2022	95.91	96.86	94.71	95.50
5982	NASDAQ	IOSP	Fri, Feb 25, 2022	96.90	98.27	96.23	96.92
5981	NASDAQ	IOSP	Thu, Feb 24, 2022	94.53	97.04	93.97	96.64
5980	NASDAQ	IOSP	Wed, Feb 23, 2022	97.75	97.75	95.65	96.09
5979	NASDAQ	IOSP	Tue, Feb 22, 2022	99.14	99.68	97.23	97.45
5978	NASDAQ	IOSP	Fri, Feb 18, 2022	98.90	100.51	98.47	99.68
5977	NASDAQ	IOSP	Thu, Feb 17, 2022	98.47	99.23	97.06	99.10
5976	NASDAQ	IOSP	Wed, Feb 16, 2022	95.35	99.80	94.80	99.34
5975	NASDAQ	IOSP	Tue, Feb 15, 2022	92.23	94.46	92.23	93.93
5974	NASDAQ	IOSP	Mon, Feb 14, 2022	91.95	92.39	90.69	91.92
5973	NASDAQ	IOSP	Fri, Feb 11, 2022	92.39	92.80	90.73	91.50
5972	NASDAQ	IOSP	Thu, Feb 10, 2022	91.81	93.34	91.50	91.72
5971	NASDAQ	IOSP	Wed, Feb 9, 2022	92.79	93.32	91.87	92.70
5970	NASDAQ	IOSP	Tue, Feb 8, 2022	89.67	92.51	89.67	92.51
5969	NASDAQ	IOSP	Mon, Feb 7, 2022	90.12	90.95	89.22	89.67
5968	NASDAQ	IOSP	Fri, Feb 4, 2022	90.64	91.22	89.13	90.34
5967	NASDAQ	IOSP	Thu, Feb 3, 2022	91.99	93.41	90.96	91.23
5966	NASDAQ	IOSP	Wed, Feb 2, 2022	93.23	93.87	91.75	92.51
5965	NASDAQ	IOSP	Tue, Feb 1, 2022	92.80	93.63	92.41	93.47
5964	NASDAQ	IOSP	Mon, Jan 31, 2022	92.14	93.12	91.53	92.96
5963	NASDAQ	IOSP	Fri, Jan 28, 2022	94.11	94.11	90.79	93.00
5962	NASDAQ	IOSP	Thu, Jan 27, 2022	94.42	96.00	92.01	93.07
5961	NASDAQ	IOSP	Wed, Jan 26, 2022	94.44	96.49	92.66	93.92
5960	NASDAQ	IOSP	Tue, Jan 25, 2022	94.07	95.12	91.49	94.22
5959	NASDAQ	IOSP	Mon, Jan 24, 2022	92.86	95.41	92.32	94.88
5958	NASDAQ	IOSP	Fri, Jan 21, 2022	94.99	97.02	94.31	94.39
5957	NASDAQ	IOSP	Thu, Jan 20, 2022	96.81	97.47	95.31	95.47
5956	NASDAQ	IOSP	Wed, Jan 19, 2022	98.58	98.58	96.12	96.86
5955	NASDAQ	IOSP	Tue, Jan 18, 2022	97.63	98.61	96.83	98.18
5954	NASDAQ	IOSP	Fri, Jan 14, 2022	96.98	98.70	95.93	98.56
5953	NASDAQ	IOSP	Thu, Jan 13, 2022	98.35	99.38	97.66	97.98
5952	NASDAQ	IOSP	Wed, Jan 12, 2022	98.15	98.32	97.29	97.88
5951	NASDAQ	IOSP	Tue, Jan 11, 2022	98.23	98.68	97.03	98.12
5950	NASDAQ	IOSP	Mon, Jan 10, 2022	99.50	99.97	97.04	97.81
5949	NASDAQ	IOSP	Fri, Jan 7, 2022	98.16	99.69	98.08	99.59
5948	NASDAQ	IOSP	Thu, Jan 6, 2022	97.14	98.36	95.27	98.25
5947	NASDAQ	IOSP	Wed, Jan 5, 2022	96.04	97.43	96.04	96.98
5946	NASDAQ	IOSP	Tue, Jan 4, 2022	93.99	96.07	93.46	95.74
5945	NASDAQ	IOSP	Mon, Jan 3, 2022	90.90	93.81	90.90	93.63
5944	NASDAQ	IOSP	Fri, Dec 31, 2021	90.20	91.28	90.04	90.34
5943	NASDAQ	IOSP	Thu, Dec 30, 2021	92.04	92.69	90.41	90.54
5942	NASDAQ	IOSP	Wed, Dec 29, 2021	92.17	92.44	90.97	91.93
5941	NASDAQ	IOSP	Tue, Dec 28, 2021	91.90	92.97	90.22	91.89
5940	NASDAQ	IOSP	Mon, Dec 27, 2021	89.58	91.43	88.70	91.33
5939	NASDAQ	IOSP	Thu, Dec 23, 2021	89.28	90.52	89.02	89.52
5938	NASDAQ	IOSP	Wed, Dec 22, 2021	88.54	89.11	87.00	88.75
5937	NASDAQ	IOSP	Tue, Dec 21, 2021	86.86	88.95	86.80	88.74
5936	NASDAQ	IOSP	Mon, Dec 20, 2021	90.00	90.00	85.00	86.05
5935	NASDAQ	IOSP	Fri, Dec 17, 2021	91.76	91.80	88.72	90.75
5934	NASDAQ	IOSP	Thu, Dec 16, 2021	91.59	92.50	90.09	91.32
5933	NASDAQ	IOSP	Wed, Dec 15, 2021	89.33	91.30	87.28	91.30
5932	NASDAQ	IOSP	Tue, Dec 14, 2021	87.98	89.75	87.40	89.10
5931	NASDAQ	IOSP	Mon, Dec 13, 2021	87.84	88.64	84.35	88.39
5930	NASDAQ	IOSP	Fri, Dec 10, 2021	87.73	88.65	87.30	88.20
5929	NASDAQ	IOSP	Thu, Dec 9, 2021	86.86	87.29	86.03	87.22
5928	NASDAQ	IOSP	Wed, Dec 8, 2021	86.89	88.00	86.26	87.65
5927	NASDAQ	IOSP	Tue, Dec 7, 2021	88.10	89.15	85.97	86.37
5926	NASDAQ	IOSP	Mon, Dec 6, 2021	84.30	87.51	84.30	87.21
5925	NASDAQ	IOSP	Fri, Dec 3, 2021	84.42	84.49	82.16	83.21
5924	NASDAQ	IOSP	Thu, Dec 2, 2021	82.15	84.58	82.15	84.03
5923	NASDAQ	IOSP	Wed, Dec 1, 2021	82.90	84.56	81.86	81.95
5922	NASDAQ	IOSP	Tue, Nov 30, 2021	82.47	83.60	81.00	81.20
5921	NASDAQ	IOSP	Mon, Nov 29, 2021	84.24	85.19	81.99	83.50
5920	NASDAQ	IOSP	Fri, Nov 26, 2021	85.29	87.00	82.15	83.19
5919	NASDAQ	IOSP	Wed, Nov 24, 2021	88.34	88.93	87.14	87.33
5918	NASDAQ	IOSP	Tue, Nov 23, 2021	88.88	89.18	87.57	88.74
5917	NASDAQ	IOSP	Mon, Nov 22, 2021	88.03	90.21	87.96	88.61
5916	NASDAQ	IOSP	Fri, Nov 19, 2021	87.03	88.30	87.00	87.33
5915	NASDAQ	IOSP	Thu, Nov 18, 2021	89.07	89.08	86.60	87.30
5914	NASDAQ	IOSP	Wed, Nov 17, 2021	91.01	91.45	88.15	89.49
5913	NASDAQ	IOSP	Tue, Nov 16, 2021	92.00	92.52	90.65	91.31
5912	NASDAQ	IOSP	Mon, Nov 15, 2021	93.62	93.62	91.48	92.02
5911	NASDAQ	IOSP	Fri, Nov 12, 2021	93.80	94.26	93.04	93.78
5910	NASDAQ	IOSP	Thu, Nov 11, 2021	92.97	93.60	92.01	93.24
5909	NASDAQ	IOSP	Wed, Nov 10, 2021	93.70	94.72	92.93	92.94
5908	NASDAQ	IOSP	Tue, Nov 9, 2021	93.63	96.10	91.94	93.63
5907	NASDAQ	IOSP	Mon, Nov 8, 2021	94.78	95.89	93.77	94.12
5906	NASDAQ	IOSP	Fri, Nov 5, 2021	91.10	94.59	91.10	93.92
5905	NASDAQ	IOSP	Thu, Nov 4, 2021	93.58	93.58	90.35	90.40
5904	NASDAQ	IOSP	Wed, Nov 3, 2021	92.58	95.95	89.71	92.88
5903	NASDAQ	IOSP	Tue, Nov 2, 2021	90.87	93.40	90.19	93.40
5902	NASDAQ	IOSP	Mon, Nov 1, 2021	90.91	91.81	89.53	90.90
5901	NASDAQ	IOSP	Fri, Oct 29, 2021	89.30	90.80	87.18	90.61
5900	NASDAQ	IOSP	Thu, Oct 28, 2021	86.94	89.55	86.94	89.54
5899	NASDAQ	IOSP	Wed, Oct 27, 2021	87.00	87.62	85.93	86.78
5898	NASDAQ	IOSP	Tue, Oct 26, 2021	88.10	88.12	87.09	87.48
5897	NASDAQ	IOSP	Mon, Oct 25, 2021	88.33	89.90	87.33	88.11
5896	NASDAQ	IOSP	Fri, Oct 22, 2021	87.30	89.52	86.96	88.47
5895	NASDAQ	IOSP	Thu, Oct 21, 2021	86.50	87.49	85.27	87.36
5894	NASDAQ	IOSP	Wed, Oct 20, 2021	86.53	87.07	85.67	86.46
5893	NASDAQ	IOSP	Tue, Oct 19, 2021	87.24	87.57	85.80	86.35
5892	NASDAQ	IOSP	Mon, Oct 18, 2021	85.12	87.01	84.99	86.92
5891	NASDAQ	IOSP	Fri, Oct 15, 2021	87.22	87.22	85.53	85.70
5890	NASDAQ	IOSP	Thu, Oct 14, 2021	85.20	86.30	85.14	86.12
5889	NASDAQ	IOSP	Wed, Oct 13, 2021	85.04	85.26	83.94	84.80
5888	NASDAQ	IOSP	Tue, Oct 12, 2021	84.40	85.35	84.33	84.91
5887	NASDAQ	IOSP	Mon, Oct 11, 2021	85.12	85.96	84.46	84.46
5886	NASDAQ	IOSP	Fri, Oct 8, 2021	85.54	86.19	84.21	85.16
5885	NASDAQ	IOSP	Thu, Oct 7, 2021	85.80	86.33	85.15	85.73
5884	NASDAQ	IOSP	Wed, Oct 6, 2021	84.96	86.70	83.39	85.13
5883	NASDAQ	IOSP	Tue, Oct 5, 2021	86.70	86.70	85.43	85.95
5882	NASDAQ	IOSP	Mon, Oct 4, 2021	85.93	86.64	84.42	85.21
5881	NASDAQ	IOSP	Fri, Oct 1, 2021	84.79	86.72	84.26	85.89
5880	NASDAQ	IOSP	Thu, Sep 30, 2021	85.98	87.79	83.50	84.22
5879	NASDAQ	IOSP	Wed, Sep 29, 2021	85.86	86.14	84.69	85.59
5878	NASDAQ	IOSP	Tue, Sep 28, 2021	86.73	87.51	85.49	85.76
5877	NASDAQ	IOSP	Mon, Sep 27, 2021	85.08	88.00	84.41	86.99
5876	NASDAQ	IOSP	Fri, Sep 24, 2021	84.25	85.47	83.91	84.71
5875	NASDAQ	IOSP	Thu, Sep 23, 2021	84.39	85.41	82.21	84.84
5874	NASDAQ	IOSP	Wed, Sep 22, 2021	83.20	87.74	81.14	83.66
5873	NASDAQ	IOSP	Tue, Sep 21, 2021	83.14	84.00	81.42	82.36
5872	NASDAQ	IOSP	Mon, Sep 20, 2021	82.97	88.41	81.04	82.60
5871	NASDAQ	IOSP	Fri, Sep 17, 2021	85.64	86.96	83.61	84.70
5870	NASDAQ	IOSP	Thu, Sep 16, 2021	87.24	87.97	85.86	86.16
5869	NASDAQ	IOSP	Wed, Sep 15, 2021	86.95	87.82	86.05	86.80
5868	NASDAQ	IOSP	Tue, Sep 14, 2021	89.73	89.73	86.36	86.64
5867	NASDAQ	IOSP	Mon, Sep 13, 2021	90.15	90.87	88.63	89.30
5866	NASDAQ	IOSP	Fri, Sep 10, 2021	91.49	91.49	89.28	89.30
5865	NASDAQ	IOSP	Thu, Sep 9, 2021	91.24	92.04	90.51	90.97
5864	NASDAQ	IOSP	Wed, Sep 8, 2021	90.79	91.13	89.87	91.12
5863	NASDAQ	IOSP	Tue, Sep 7, 2021	90.99	91.93	90.75	90.86
5862	NASDAQ	IOSP	Fri, Sep 3, 2021	92.40	92.59	90.83	91.31
5861	NASDAQ	IOSP	Thu, Sep 2, 2021	92.72	93.82	92.05	92.31
5860	NASDAQ	IOSP	Wed, Sep 1, 2021	93.85	93.85	91.59	92.67
5859	NASDAQ	IOSP	Tue, Aug 31, 2021	93.45	94.48	92.42	93.60
5858	NASDAQ	IOSP	Mon, Aug 30, 2021	95.82	95.82	93.51	93.56
5857	NASDAQ	IOSP	Fri, Aug 27, 2021	91.72	95.69	91.60	95.69
5856	NASDAQ	IOSP	Thu, Aug 26, 2021	92.88	93.26	91.29	91.51
5855	NASDAQ	IOSP	Wed, Aug 25, 2021	92.88	93.28	92.09	92.59
5854	NASDAQ	IOSP	Tue, Aug 24, 2021	91.67	94.47	91.67	92.97
5853	NASDAQ	IOSP	Mon, Aug 23, 2021	91.18	93.86	90.93	91.67
5852	NASDAQ	IOSP	Fri, Aug 20, 2021	90.07	91.30	89.70	90.48
5851	NASDAQ	IOSP	Thu, Aug 19, 2021	91.00	91.90	89.69	90.30
5850	NASDAQ	IOSP	Wed, Aug 18, 2021	92.24	93.42	91.61	91.73
5849	NASDAQ	IOSP	Tue, Aug 17, 2021	92.74	93.47	91.38	92.59
5848	NASDAQ	IOSP	Mon, Aug 16, 2021	93.52	95.06	92.60	93.29
5847	NASDAQ	IOSP	Fri, Aug 13, 2021	94.44	95.19	93.25	94.08
5846	NASDAQ	IOSP	Thu, Aug 12, 2021	95.19	96.57	93.36	94.51
5845	NASDAQ	IOSP	Wed, Aug 11, 2021	94.28	95.36	93.81	94.85
5844	NASDAQ	IOSP	Tue, Aug 10, 2021	91.43	94.60	90.36	93.66
5843	NASDAQ	IOSP	Mon, Aug 9, 2021	89.44	91.60	88.99	91.21
5842	NASDAQ	IOSP	Fri, Aug 6, 2021	87.35	90.12	87.24	89.32
5841	NASDAQ	IOSP	Thu, Aug 5, 2021	86.44	86.86	85.51	86.49
5840	NASDAQ	IOSP	Wed, Aug 4, 2021	86.99	88.11	84.33	86.24
5839	NASDAQ	IOSP	Tue, Aug 3, 2021	88.86	88.86	85.00	87.91
5838	NASDAQ	IOSP	Mon, Aug 2, 2021	88.42	90.52	88.17	88.42
5837	NASDAQ	IOSP	Fri, Jul 30, 2021	88.98	89.69	88.15	88.45
5836	NASDAQ	IOSP	Thu, Jul 29, 2021	88.55	88.98	87.87	88.91
5835	NASDAQ	IOSP	Wed, Jul 28, 2021	87.17	88.12	85.81	87.57
5834	NASDAQ	IOSP	Tue, Jul 27, 2021	86.20	88.29	86.20	86.91
5833	NASDAQ	IOSP	Mon, Jul 26, 2021	87.14	87.14	86.36	86.70
5832	NASDAQ	IOSP	Fri, Jul 23, 2021	86.65	86.88	85.83	86.48
5831	NASDAQ	IOSP	Thu, Jul 22, 2021	86.87	87.39	85.50	86.12
5830	NASDAQ	IOSP	Wed, Jul 21, 2021	87.43	88.41	86.69	87.09
5829	NASDAQ	IOSP	Tue, Jul 20, 2021	85.82	88.16	85.82	86.74
5828	NASDAQ	IOSP	Mon, Jul 19, 2021	86.51	87.03	85.15	85.45
5827	NASDAQ	IOSP	Fri, Jul 16, 2021	90.47	91.15	88.11	88.12
5826	NASDAQ	IOSP	Thu, Jul 15, 2021	89.67	90.94	89.20	90.27
5825	NASDAQ	IOSP	Wed, Jul 14, 2021	89.60	91.13	89.60	90.02
5824	NASDAQ	IOSP	Tue, Jul 13, 2021	90.88	90.88	89.01	89.52
5823	NASDAQ	IOSP	Mon, Jul 12, 2021	89.86	91.25	89.86	91.09
5822	NASDAQ	IOSP	Fri, Jul 9, 2021	89.98	91.10	89.94	90.39
5821	NASDAQ	IOSP	Thu, Jul 8, 2021	87.14	89.48	87.05	88.88
5820	NASDAQ	IOSP	Wed, Jul 7, 2021	88.59	89.52	87.94	88.92
5819	NASDAQ	IOSP	Tue, Jul 6, 2021	90.94	90.94	86.90	88.57
5818	NASDAQ	IOSP	Fri, Jul 2, 2021	91.16	91.62	89.86	90.49
5817	NASDAQ	IOSP	Thu, Jul 1, 2021	91.20	92.01	90.69	90.91
5816	NASDAQ	IOSP	Wed, Jun 30, 2021	89.57	91.11	89.54	90.61
5815	NASDAQ	IOSP	Tue, Jun 29, 2021	91.29	92.06	90.00	90.00
5814	NASDAQ	IOSP	Mon, Jun 28, 2021	93.74	93.74	91.18	91.18
5813	NASDAQ	IOSP	Fri, Jun 25, 2021	94.07	94.62	93.34	94.00
5812	NASDAQ	IOSP	Thu, Jun 24, 2021	94.08	94.35	93.48	93.96
5811	NASDAQ	IOSP	Wed, Jun 23, 2021	93.15	94.60	92.61	93.86
5810	NASDAQ	IOSP	Tue, Jun 22, 2021	92.87	93.78	92.10	93.58
5809	NASDAQ	IOSP	Mon, Jun 21, 2021	92.50	94.07	92.50	93.28
5808	NASDAQ	IOSP	Fri, Jun 18, 2021	92.45	94.70	91.39	91.55
5807	NASDAQ	IOSP	Thu, Jun 17, 2021	95.87	96.61	93.09	93.73
5806	NASDAQ	IOSP	Wed, Jun 16, 2021	96.62	97.00	95.58	96.34
5805	NASDAQ	IOSP	Tue, Jun 15, 2021	98.10	98.26	96.69	97.03
5804	NASDAQ	IOSP	Mon, Jun 14, 2021	98.41	98.96	97.67	98.20
5803	NASDAQ	IOSP	Fri, Jun 11, 2021	98.85	99.33	97.90	98.51
5802	NASDAQ	IOSP	Thu, Jun 10, 2021	100.46	101.26	97.95	98.18
5801	NASDAQ	IOSP	Wed, Jun 9, 2021	102.34	102.34	100.01	100.02
5800	NASDAQ	IOSP	Tue, Jun 8, 2021	101.89	102.45	101.16	102.31
5799	NASDAQ	IOSP	Mon, Jun 7, 2021	101.82	103.46	100.76	101.44
5798	NASDAQ	IOSP	Fri, Jun 4, 2021	102.26	107.15	101.55	101.88
5797	NASDAQ	IOSP	Thu, Jun 3, 2021	100.59	101.88	100.18	101.78
5796	NASDAQ	IOSP	Wed, Jun 2, 2021	103.19	103.53	100.77	101.28
5795	NASDAQ	IOSP	Tue, Jun 1, 2021	102.07	104.71	101.03	102.96
5794	NASDAQ	IOSP	Fri, May 28, 2021	102.10	104.91	100.77	101.11
5793	NASDAQ	IOSP	Thu, May 27, 2021	101.76	103.68	101.21	101.69
5792	NASDAQ	IOSP	Wed, May 26, 2021	99.66	102.49	99.40	101.88
5791	NASDAQ	IOSP	Tue, May 25, 2021	101.05	101.73	99.16	99.58
5790	NASDAQ	IOSP	Mon, May 24, 2021	100.23	101.16	99.47	100.64
5789	NASDAQ	IOSP	Fri, May 21, 2021	100.86	101.63	99.27	100.23
5788	NASDAQ	IOSP	Thu, May 20, 2021	98.71	100.48	98.71	99.83
5787	NASDAQ	IOSP	Wed, May 19, 2021	98.54	100.56	97.74	98.64
5786	NASDAQ	IOSP	Tue, May 18, 2021	100.01	101.06	99.42	99.72
5785	NASDAQ	IOSP	Mon, May 17, 2021	100.99	101.15	99.53	100.26
5784	NASDAQ	IOSP	Fri, May 14, 2021	101.18	101.83	100.18	101.00
5783	NASDAQ	IOSP	Thu, May 13, 2021	99.00	101.71	99.00	101.60
5782	NASDAQ	IOSP	Wed, May 12, 2021	102.97	102.97	98.18	98.23
5781	NASDAQ	IOSP	Tue, May 11, 2021	98.95	101.81	98.95	101.42
5780	NASDAQ	IOSP	Mon, May 10, 2021	103.24	103.64	100.44	100.46
5779	NASDAQ	IOSP	Fri, May 7, 2021	102.55	103.29	99.04	102.54
5778	NASDAQ	IOSP	Thu, May 6, 2021	100.39	102.77	99.81	102.77
5777	NASDAQ	IOSP	Wed, May 5, 2021	98.40	100.05	96.63	99.97
5776	NASDAQ	IOSP	Tue, May 4, 2021	98.27	99.54	97.87	98.69
5775	NASDAQ	IOSP	Mon, May 3, 2021	98.49	99.22	97.86	98.36
5774	NASDAQ	IOSP	Fri, Apr 30, 2021	97.98	99.38	96.62	97.41
5773	NASDAQ	IOSP	Thu, Apr 29, 2021	97.25	99.29	97.00	99.10
5772	NASDAQ	IOSP	Wed, Apr 28, 2021	96.38	97.82	96.17	96.76
5771	NASDAQ	IOSP	Tue, Apr 27, 2021	96.22	96.62	95.10	96.62
5770	NASDAQ	IOSP	Mon, Apr 26, 2021	98.49	99.87	96.33	96.45
5769	NASDAQ	IOSP	Fri, Apr 23, 2021	95.57	98.22	94.40	97.70
5768	NASDAQ	IOSP	Thu, Apr 22, 2021	97.30	97.50	94.55	95.42
5767	NASDAQ	IOSP	Wed, Apr 21, 2021	96.07	98.15	96.07	97.36
5766	NASDAQ	IOSP	Tue, Apr 20, 2021	99.36	101.65	95.64	95.92
5765	NASDAQ	IOSP	Mon, Apr 19, 2021	103.12	103.12	98.67	99.20
5764	NASDAQ	IOSP	Fri, Apr 16, 2021	104.02	104.46	102.42	102.82
5763	NASDAQ	IOSP	Thu, Apr 15, 2021	104.67	105.22	102.79	103.18
5762	NASDAQ	IOSP	Wed, Apr 14, 2021	101.80	104.65	101.69	103.83
5761	NASDAQ	IOSP	Tue, Apr 13, 2021	102.92	103.08	100.81	101.50
5760	NASDAQ	IOSP	Mon, Apr 12, 2021	103.00	103.64	102.14	103.01
5759	NASDAQ	IOSP	Fri, Apr 9, 2021	103.00	103.27	102.04	102.53
5758	NASDAQ	IOSP	Thu, Apr 8, 2021	104.10	104.58	101.70	102.03
5757	NASDAQ	IOSP	Wed, Apr 7, 2021	106.06	106.06	103.19	103.76
5756	NASDAQ	IOSP	Tue, Apr 6, 2021	105.63	106.51	105.18	105.95
5755	NASDAQ	IOSP	Mon, Apr 5, 2021	105.89	107.73	104.15	105.32
5754	NASDAQ	IOSP	Thu, Apr 1, 2021	103.10	105.86	101.79	105.33
5753	NASDAQ	IOSP	Wed, Mar 31, 2021	102.34	104.11	101.69	102.69
5752	NASDAQ	IOSP	Tue, Mar 30, 2021	101.91	103.12	100.61	102.41
5751	NASDAQ	IOSP	Mon, Mar 29, 2021	102.39	105.37	97.94	102.00
5750	NASDAQ	IOSP	Fri, Mar 26, 2021	101.72	104.14	101.41	103.00
5749	NASDAQ	IOSP	Thu, Mar 25, 2021	98.31	100.98	96.29	100.41
5748	NASDAQ	IOSP	Wed, Mar 24, 2021	99.11	100.95	98.72	98.98
5747	NASDAQ	IOSP	Tue, Mar 23, 2021	99.88	100.88	97.28	97.98
5746	NASDAQ	IOSP	Mon, Mar 22, 2021	104.65	104.65	100.59	101.01
5745	NASDAQ	IOSP	Fri, Mar 19, 2021	103.95	105.28	102.05	104.36
5744	NASDAQ	IOSP	Thu, Mar 18, 2021	103.67	107.15	103.23	104.92
5743	NASDAQ	IOSP	Wed, Mar 17, 2021	102.20	104.27	101.93	104.02
5742	NASDAQ	IOSP	Tue, Mar 16, 2021	103.19	103.69	101.34	102.32
5741	NASDAQ	IOSP	Mon, Mar 15, 2021	104.79	105.07	103.20	103.77
5740	NASDAQ	IOSP	Fri, Mar 12, 2021	104.96	105.65	103.63	105.42
5739	NASDAQ	IOSP	Thu, Mar 11, 2021	105.77	105.77	102.82	104.48
5738	NASDAQ	IOSP	Wed, Mar 10, 2021	102.55	105.46	102.34	105.04
5737	NASDAQ	IOSP	Tue, Mar 9, 2021	103.62	103.72	101.73	101.92
5736	NASDAQ	IOSP	Mon, Mar 8, 2021	102.47	104.91	101.35	102.78
5735	NASDAQ	IOSP	Fri, Mar 5, 2021	100.95	101.55	99.23	101.41
5734	NASDAQ	IOSP	Thu, Mar 4, 2021	100.77	101.75	98.54	99.26
5733	NASDAQ	IOSP	Wed, Mar 3, 2021	100.80	102.71	100.12	100.50
5732	NASDAQ	IOSP	Tue, Mar 2, 2021	102.00	102.00	100.19	100.20
5731	NASDAQ	IOSP	Mon, Mar 1, 2021	102.44	102.92	101.39	101.50
5730	NASDAQ	IOSP	Fri, Feb 26, 2021	101.66	103.24	99.39	100.45
5729	NASDAQ	IOSP	Thu, Feb 25, 2021	105.10	105.50	101.53	101.95
5728	NASDAQ	IOSP	Wed, Feb 24, 2021	101.80	104.97	101.03	104.77
5727	NASDAQ	IOSP	Tue, Feb 23, 2021	100.39	102.04	99.52	101.36
5726	NASDAQ	IOSP	Mon, Feb 22, 2021	99.05	102.33	98.86	101.42
5725	NASDAQ	IOSP	Fri, Feb 19, 2021	97.00	100.34	96.79	99.85
5724	NASDAQ	IOSP	Thu, Feb 18, 2021	97.62	97.62	95.04	97.00
5723	NASDAQ	IOSP	Wed, Feb 17, 2021	94.65	98.41	94.27	97.71
5722	NASDAQ	IOSP	Tue, Feb 16, 2021	100.49	100.75	97.40	97.40
5721	NASDAQ	IOSP	Fri, Feb 12, 2021	99.31	100.49	99.23	100.08
5720	NASDAQ	IOSP	Thu, Feb 11, 2021	99.62	100.26	97.31	99.95
5719	NASDAQ	IOSP	Wed, Feb 10, 2021	100.56	101.12	98.75	98.92
5718	NASDAQ	IOSP	Tue, Feb 9, 2021	99.46	101.02	98.15	99.93
5717	NASDAQ	IOSP	Mon, Feb 8, 2021	95.77	99.45	95.11	99.31
5716	NASDAQ	IOSP	Fri, Feb 5, 2021	96.12	96.12	93.68	94.59
5715	NASDAQ	IOSP	Thu, Feb 4, 2021	93.10	95.08	92.27	94.78
5714	NASDAQ	IOSP	Wed, Feb 3, 2021	91.49	93.30	90.41	92.85
5713	NASDAQ	IOSP	Tue, Feb 2, 2021	91.70	92.77	90.02	91.86
5712	NASDAQ	IOSP	Mon, Feb 1, 2021	87.98	90.89	86.93	90.37
5711	NASDAQ	IOSP	Fri, Jan 29, 2021	91.20	91.32	87.30	87.79
5710	NASDAQ	IOSP	Thu, Jan 28, 2021	92.76	93.04	90.54	91.49
5709	NASDAQ	IOSP	Wed, Jan 27, 2021	91.71	92.77	89.58	91.24
5708	NASDAQ	IOSP	Tue, Jan 26, 2021	95.95	95.95	93.42	93.67
5707	NASDAQ	IOSP	Mon, Jan 25, 2021	95.91	97.09	93.27	94.92
5706	NASDAQ	IOSP	Fri, Jan 22, 2021	94.18	96.77	93.19	96.61
5705	NASDAQ	IOSP	Thu, Jan 21, 2021	97.27	97.27	94.89	95.51
5704	NASDAQ	IOSP	Wed, Jan 20, 2021	97.54	99.94	96.06	97.45
5703	NASDAQ	IOSP	Tue, Jan 19, 2021	98.27	100.00	96.93	97.50
5702	NASDAQ	IOSP	Fri, Jan 15, 2021	98.83	99.58	96.93	97.27
5701	NASDAQ	IOSP	Thu, Jan 14, 2021	99.53	101.53	99.53	99.82
5700	NASDAQ	IOSP	Wed, Jan 13, 2021	101.12	101.12	98.16	98.69
5699	NASDAQ	IOSP	Tue, Jan 12, 2021	98.96	102.84	98.96	102.45
5698	NASDAQ	IOSP	Mon, Jan 11, 2021	96.30	100.71	95.98	98.11
5697	NASDAQ	IOSP	Fri, Jan 8, 2021	101.57	102.55	96.74	97.85
5696	NASDAQ	IOSP	Thu, Jan 7, 2021	99.26	100.68	96.40	100.56
5695	NASDAQ	IOSP	Wed, Jan 6, 2021	94.16	99.58	93.51	98.98
5694	NASDAQ	IOSP	Tue, Jan 5, 2021	89.93	93.56	89.93	92.34
5693	NASDAQ	IOSP	Mon, Jan 4, 2021	91.28	92.54	88.64	89.56
5692	NASDAQ	IOSP	Thu, Dec 31, 2020	90.25	91.27	89.67	90.73
5691	NASDAQ	IOSP	Wed, Dec 30, 2020	87.84	90.49	87.84	90.27
5690	NASDAQ	IOSP	Tue, Dec 29, 2020	90.25	90.25	88.23	88.65
5689	NASDAQ	IOSP	Mon, Dec 28, 2020	90.50	91.55	89.79	90.43
5688	NASDAQ	IOSP	Thu, Dec 24, 2020	89.32	89.89	88.25	89.54
5687	NASDAQ	IOSP	Wed, Dec 23, 2020	87.46	89.23	87.46	88.70
5686	NASDAQ	IOSP	Tue, Dec 22, 2020	86.70	87.91	86.36	86.92
5685	NASDAQ	IOSP	Mon, Dec 21, 2020	86.68	88.85	85.76	86.61
5684	NASDAQ	IOSP	Fri, Dec 18, 2020	91.22	91.79	88.00	88.55
5683	NASDAQ	IOSP	Thu, Dec 17, 2020	88.84	91.01	88.05	90.60
5682	NASDAQ	IOSP	Wed, Dec 16, 2020	89.05	89.54	87.59	88.20
5681	NASDAQ	IOSP	Tue, Dec 15, 2020	85.71	89.66	85.71	88.43
5680	NASDAQ	IOSP	Mon, Dec 14, 2020	86.26	87.13	85.07	85.13
5679	NASDAQ	IOSP	Fri, Dec 11, 2020	85.02	86.35	83.79	85.32
5678	NASDAQ	IOSP	Thu, Dec 10, 2020	86.94	87.15	85.09	85.74
5677	NASDAQ	IOSP	Wed, Dec 9, 2020	87.79	88.29	85.82	87.54
5676	NASDAQ	IOSP	Tue, Dec 8, 2020	85.39	87.30	85.20	86.78
5675	NASDAQ	IOSP	Mon, Dec 7, 2020	86.65	86.86	84.93	86.05
5674	NASDAQ	IOSP	Fri, Dec 4, 2020	85.08	87.45	84.32	87.12
5673	NASDAQ	IOSP	Thu, Dec 3, 2020	84.27	85.20	83.03	84.31
5672	NASDAQ	IOSP	Wed, Dec 2, 2020	83.87	84.88	83.30	84.25
5671	NASDAQ	IOSP	Tue, Dec 1, 2020	83.51	84.44	82.46	84.20
5670	NASDAQ	IOSP	Mon, Nov 30, 2020	84.72	84.72	81.84	82.29
5669	NASDAQ	IOSP	Fri, Nov 27, 2020	87.36	88.23	83.79	85.43
5668	NASDAQ	IOSP	Wed, Nov 25, 2020	87.12	88.63	85.78	87.46
5667	NASDAQ	IOSP	Tue, Nov 24, 2020	84.70	88.43	83.99	88.02
5666	NASDAQ	IOSP	Mon, Nov 23, 2020	81.73	83.57	73.56	83.24
5665	NASDAQ	IOSP	Fri, Nov 20, 2020	80.20	81.05	78.42	80.76
5664	NASDAQ	IOSP	Thu, Nov 19, 2020	80.30	82.19	79.33	80.73
5663	NASDAQ	IOSP	Wed, Nov 18, 2020	83.33	83.63	80.43	80.77
5662	NASDAQ	IOSP	Tue, Nov 17, 2020	82.11	83.22	79.83	82.87
5661	NASDAQ	IOSP	Mon, Nov 16, 2020	81.70	83.15	79.24	83.02
5660	NASDAQ	IOSP	Fri, Nov 13, 2020	77.53	80.35	77.46	79.81
5659	NASDAQ	IOSP	Thu, Nov 12, 2020	78.03	78.70	75.44	76.64
5658	NASDAQ	IOSP	Wed, Nov 11, 2020	80.05	80.35	77.14	78.17
5657	NASDAQ	IOSP	Tue, Nov 10, 2020	78.20	80.46	77.91	79.61
5656	NASDAQ	IOSP	Mon, Nov 9, 2020	73.96	78.98	72.88	77.13
5655	NASDAQ	IOSP	Fri, Nov 6, 2020	70.36	70.78	67.99	68.75
5654	NASDAQ	IOSP	Thu, Nov 5, 2020	70.06	72.28	69.57	70.31
5653	NASDAQ	IOSP	Wed, Nov 4, 2020	71.90	71.90	67.55	70.00
5652	NASDAQ	IOSP	Tue, Nov 3, 2020	69.70	70.27	67.81	68.63
5651	NASDAQ	IOSP	Mon, Nov 2, 2020	66.81	68.35	66.79	68.35
5650	NASDAQ	IOSP	Fri, Oct 30, 2020	64.83	66.14	64.83	66.14
5649	NASDAQ	IOSP	Thu, Oct 29, 2020	62.11	65.50	61.95	65.25
5648	NASDAQ	IOSP	Wed, Oct 28, 2020	63.59	63.73	62.39	62.76
5647	NASDAQ	IOSP	Tue, Oct 27, 2020	66.82	67.14	65.09	65.21
5646	NASDAQ	IOSP	Mon, Oct 26, 2020	67.86	68.03	66.43	67.05
5645	NASDAQ	IOSP	Fri, Oct 23, 2020	68.98	69.48	68.37	68.53
5644	NASDAQ	IOSP	Thu, Oct 22, 2020	68.48	68.86	67.62	68.50
5643	NASDAQ	IOSP	Wed, Oct 21, 2020	67.71	69.01	67.69	68.04
5642	NASDAQ	IOSP	Tue, Oct 20, 2020	68.21	69.16	67.86	67.92
5641	NASDAQ	IOSP	Mon, Oct 19, 2020	69.07	69.95	67.63	67.72
5640	NASDAQ	IOSP	Fri, Oct 16, 2020	69.47	69.67	68.57	68.78
5639	NASDAQ	IOSP	Thu, Oct 15, 2020	66.76	69.22	66.66	68.81
5638	NASDAQ	IOSP	Wed, Oct 14, 2020	67.39	68.16	67.29	67.70
5637	NASDAQ	IOSP	Tue, Oct 13, 2020	67.81	68.81	66.83	67.20
5636	NASDAQ	IOSP	Mon, Oct 12, 2020	67.10	68.73	66.78	68.46
5635	NASDAQ	IOSP	Fri, Oct 9, 2020	67.57	68.15	66.56	67.07
5634	NASDAQ	IOSP	Thu, Oct 8, 2020	66.74	67.13	66.04	66.78
5633	NASDAQ	IOSP	Wed, Oct 7, 2020	66.59	66.77	65.16	65.78
5632	NASDAQ	IOSP	Tue, Oct 6, 2020	66.35	67.46	65.51	65.86
5631	NASDAQ	IOSP	Mon, Oct 5, 2020	64.38	65.83	63.70	65.59
5630	NASDAQ	IOSP	Fri, Oct 2, 2020	61.85	64.61	61.85	63.56
5629	NASDAQ	IOSP	Thu, Oct 1, 2020	63.50	64.18	62.51	62.97
5628	NASDAQ	IOSP	Wed, Sep 30, 2020	63.20	64.32	62.99	63.32
5627	NASDAQ	IOSP	Tue, Sep 29, 2020	63.91	64.17	62.61	62.99
5626	NASDAQ	IOSP	Mon, Sep 28, 2020	64.30	66.74	63.63	63.95
5625	NASDAQ	IOSP	Fri, Sep 25, 2020	63.15	63.98	63.00	63.20
5624	NASDAQ	IOSP	Thu, Sep 24, 2020	63.68	64.88	63.54	63.89
5623	NASDAQ	IOSP	Wed, Sep 23, 2020	64.62	66.69	63.46	63.58
5622	NASDAQ	IOSP	Tue, Sep 22, 2020	63.55	65.40	63.55	65.24
5621	NASDAQ	IOSP	Mon, Sep 21, 2020	64.75	64.75	61.48	63.54
5620	NASDAQ	IOSP	Fri, Sep 18, 2020	67.95	68.01	65.92	66.51
5619	NASDAQ	IOSP	Thu, Sep 17, 2020	66.50	67.87	65.83	67.05
5618	NASDAQ	IOSP	Wed, Sep 16, 2020	67.68	71.54	67.42	67.59
5617	NASDAQ	IOSP	Tue, Sep 15, 2020	67.98	68.85	66.62	67.58
5616	NASDAQ	IOSP	Mon, Sep 14, 2020	67.55	68.84	67.30	67.70
5615	NASDAQ	IOSP	Fri, Sep 11, 2020	69.03	69.03	66.79	67.12
5614	NASDAQ	IOSP	Thu, Sep 10, 2020	70.84	71.29	67.97	68.47
5613	NASDAQ	IOSP	Wed, Sep 9, 2020	72.27	72.33	70.08	70.81
5612	NASDAQ	IOSP	Tue, Sep 8, 2020	73.33	73.33	70.86	71.21
5611	NASDAQ	IOSP	Fri, Sep 4, 2020	74.82	74.82	73.00	74.04
5610	NASDAQ	IOSP	Thu, Sep 3, 2020	76.06	76.06	73.23	73.67
5609	NASDAQ	IOSP	Wed, Sep 2, 2020	76.42	76.88	75.53	76.13
5608	NASDAQ	IOSP	Tue, Sep 1, 2020	74.36	76.91	74.04	76.54
5607	NASDAQ	IOSP	Mon, Aug 31, 2020	76.20	77.08	74.58	74.69
5606	NASDAQ	IOSP	Fri, Aug 28, 2020	76.16	76.63	75.18	76.44
5605	NASDAQ	IOSP	Thu, Aug 27, 2020	75.52	76.95	75.05	75.88
5604	NASDAQ	IOSP	Wed, Aug 26, 2020	76.37	76.56	75.07	75.15
5603	NASDAQ	IOSP	Tue, Aug 25, 2020	77.20	77.93	75.46	76.27
5602	NASDAQ	IOSP	Mon, Aug 24, 2020	75.90	77.27	75.23	76.95
5601	NASDAQ	IOSP	Fri, Aug 21, 2020	75.24	75.24	73.69	74.99
5600	NASDAQ	IOSP	Thu, Aug 20, 2020	74.92	76.29	74.92	75.63
5599	NASDAQ	IOSP	Wed, Aug 19, 2020	76.37	77.59	75.07	75.87
5598	NASDAQ	IOSP	Tue, Aug 18, 2020	77.83	77.83	75.92	76.25
5597	NASDAQ	IOSP	Mon, Aug 17, 2020	78.95	78.96	76.88	77.59
5596	NASDAQ	IOSP	Fri, Aug 14, 2020	78.59	79.09	78.03	78.58
5595	NASDAQ	IOSP	Thu, Aug 13, 2020	82.16	82.17	79.09	79.42
5594	NASDAQ	IOSP	Wed, Aug 12, 2020	83.80	84.54	81.83	82.87
5593	NASDAQ	IOSP	Tue, Aug 11, 2020	81.70	84.49	81.43	82.75
5592	NASDAQ	IOSP	Mon, Aug 10, 2020	79.33	80.56	79.14	80.50
5591	NASDAQ	IOSP	Fri, Aug 7, 2020	76.60	79.06	76.57	78.99
5590	NASDAQ	IOSP	Thu, Aug 6, 2020	76.39	77.39	75.72	76.87
5589	NASDAQ	IOSP	Wed, Aug 5, 2020	72.86	77.23	72.19	76.61
5588	NASDAQ	IOSP	Tue, Aug 4, 2020	76.63	78.00	76.53	77.94
5587	NASDAQ	IOSP	Mon, Aug 3, 2020	75.62	77.26	75.13	76.80
5586	NASDAQ	IOSP	Fri, Jul 31, 2020	74.96	75.52	73.00	75.17
5585	NASDAQ	IOSP	Thu, Jul 30, 2020	77.20	77.20	75.27	75.43
5584	NASDAQ	IOSP	Wed, Jul 29, 2020	77.72	79.01	77.72	78.66
5583	NASDAQ	IOSP	Tue, Jul 28, 2020	78.90	79.14	77.19	77.37
5582	NASDAQ	IOSP	Mon, Jul 27, 2020	78.28	79.75	78.27	79.40
5581	NASDAQ	IOSP	Fri, Jul 24, 2020	79.69	79.69	77.41	78.06
5580	NASDAQ	IOSP	Thu, Jul 23, 2020	78.68	80.22	78.48	79.57
5579	NASDAQ	IOSP	Wed, Jul 22, 2020	78.45	80.41	78.39	79.07
5578	NASDAQ	IOSP	Tue, Jul 21, 2020	78.36	80.10	77.67	79.17
5577	NASDAQ	IOSP	Mon, Jul 20, 2020	79.02	79.66	77.32	77.49
5576	NASDAQ	IOSP	Fri, Jul 17, 2020	79.44	80.75	77.98	79.40
5575	NASDAQ	IOSP	Thu, Jul 16, 2020	79.98	80.32	78.91	79.45
5574	NASDAQ	IOSP	Wed, Jul 15, 2020	79.40	81.44	79.40	80.32
5573	NASDAQ	IOSP	Tue, Jul 14, 2020	75.72	77.58	75.50	77.25
5572	NASDAQ	IOSP	Mon, Jul 13, 2020	76.09	77.12	74.19	75.67
5571	NASDAQ	IOSP	Fri, Jul 10, 2020	72.77	75.19	72.50	75.00
5570	NASDAQ	IOSP	Thu, Jul 9, 2020	74.84	74.84	72.09	72.46
5569	NASDAQ	IOSP	Wed, Jul 8, 2020	75.50	76.89	74.09	75.00
5568	NASDAQ	IOSP	Tue, Jul 7, 2020	76.18	77.45	75.03	75.76
5567	NASDAQ	IOSP	Mon, Jul 6, 2020	80.09	80.09	76.53	77.06
5566	NASDAQ	IOSP	Thu, Jul 2, 2020	78.28	80.29	78.01	78.36
5565	NASDAQ	IOSP	Wed, Jul 1, 2020	77.64	78.05	76.40	76.85
5564	NASDAQ	IOSP	Tue, Jun 30, 2020	74.97	77.60	74.92	77.25
5563	NASDAQ	IOSP	Mon, Jun 29, 2020	71.27	75.91	71.27	75.48
5562	NASDAQ	IOSP	Fri, Jun 26, 2020	72.55	72.90	69.91	70.27
5561	NASDAQ	IOSP	Thu, Jun 25, 2020	72.48	73.45	71.28	73.14
5560	NASDAQ	IOSP	Wed, Jun 24, 2020	75.07	75.64	72.35	72.78
5559	NASDAQ	IOSP	Tue, Jun 23, 2020	75.18	76.30	73.50	76.00
5558	NASDAQ	IOSP	Mon, Jun 22, 2020	73.00	74.54	72.07	74.17
5557	NASDAQ	IOSP	Fri, Jun 19, 2020	75.85	78.33	73.27	73.76
5556	NASDAQ	IOSP	Thu, Jun 18, 2020	75.41	76.54	74.88	75.35
5555	NASDAQ	IOSP	Wed, Jun 17, 2020	77.98	78.18	75.82	76.20
5554	NASDAQ	IOSP	Tue, Jun 16, 2020	79.49	81.43	77.28	77.72
5553	NASDAQ	IOSP	Mon, Jun 15, 2020	72.82	77.08	72.69	76.70
5552	NASDAQ	IOSP	Fri, Jun 12, 2020	77.24	77.62	74.01	75.42
5551	NASDAQ	IOSP	Thu, Jun 11, 2020	77.68	77.68	74.04	74.08
5550	NASDAQ	IOSP	Wed, Jun 10, 2020	82.80	83.08	80.76	80.85
5549	NASDAQ	IOSP	Tue, Jun 9, 2020	82.81	83.99	82.02	83.03
5548	NASDAQ	IOSP	Mon, Jun 8, 2020	84.77	84.83	83.31	84.46
5547	NASDAQ	IOSP	Fri, Jun 5, 2020	82.50	86.27	82.50	83.92
5546	NASDAQ	IOSP	Thu, Jun 4, 2020	78.70	81.47	77.84	81.44
5545	NASDAQ	IOSP	Wed, Jun 3, 2020	79.32	81.45	78.78	79.59
5544	NASDAQ	IOSP	Tue, Jun 2, 2020	78.10	79.79	77.31	77.77
5543	NASDAQ	IOSP	Mon, Jun 1, 2020	77.66	78.34	75.52	77.50
5542	NASDAQ	IOSP	Fri, May 29, 2020	77.33	78.19	75.49	77.09
5541	NASDAQ	IOSP	Thu, May 28, 2020	82.17	82.17	77.93	78.29
5540	NASDAQ	IOSP	Wed, May 27, 2020	79.48	80.62	76.92	80.46
5539	NASDAQ	IOSP	Tue, May 26, 2020	77.28	78.08	75.80	77.34
5538	NASDAQ	IOSP	Fri, May 22, 2020	74.27	75.37	72.85	74.00
5537	NASDAQ	IOSP	Thu, May 21, 2020	74.78	74.81	72.63	73.54
5536	NASDAQ	IOSP	Wed, May 20, 2020	72.22	75.60	72.22	74.67
5535	NASDAQ	IOSP	Tue, May 19, 2020	71.67	71.67	70.21	70.74
5534	NASDAQ	IOSP	Mon, May 18, 2020	70.00	72.42	69.67	72.10
5533	NASDAQ	IOSP	Fri, May 15, 2020	64.86	66.81	64.64	66.65
5532	NASDAQ	IOSP	Thu, May 14, 2020	64.97	66.10	63.11	65.21
5531	NASDAQ	IOSP	Wed, May 13, 2020	68.73	71.04	65.63	66.85
5530	NASDAQ	IOSP	Tue, May 12, 2020	71.75	73.34	69.40	69.53
5529	NASDAQ	IOSP	Mon, May 11, 2020	72.51	72.80	70.42	71.57
5528	NASDAQ	IOSP	Fri, May 8, 2020	71.38	74.09	70.30	73.50
5527	NASDAQ	IOSP	Thu, May 7, 2020	73.10	73.10	68.68	69.66
5526	NASDAQ	IOSP	Wed, May 6, 2020	72.00	74.89	71.03	71.51
5525	NASDAQ	IOSP	Tue, May 5, 2020	71.36	73.25	70.07	70.36
5524	NASDAQ	IOSP	Mon, May 4, 2020	70.85	70.85	68.54	69.89
5523	NASDAQ	IOSP	Fri, May 1, 2020	70.88	72.49	70.11	71.25
5522	NASDAQ	IOSP	Thu, Apr 30, 2020	75.50	76.85	72.52	72.52
5521	NASDAQ	IOSP	Wed, Apr 29, 2020	76.69	78.70	75.00	77.50
5520	NASDAQ	IOSP	Tue, Apr 28, 2020	73.61	75.66	72.26	74.01
5519	NASDAQ	IOSP	Mon, Apr 27, 2020	70.21	72.91	68.73	71.98
5518	NASDAQ	IOSP	Fri, Apr 24, 2020	68.84	70.00	67.44	69.12
5517	NASDAQ	IOSP	Thu, Apr 23, 2020	67.31	70.43	66.79	68.37
5516	NASDAQ	IOSP	Wed, Apr 22, 2020	68.73	69.19	66.63	66.76
5515	NASDAQ	IOSP	Tue, Apr 21, 2020	65.97	67.47	65.60	66.69
5514	NASDAQ	IOSP	Mon, Apr 20, 2020	72.00	72.08	64.97	67.74
5513	NASDAQ	IOSP	Fri, Apr 17, 2020	71.62	73.88	70.84	71.00
5512	NASDAQ	IOSP	Thu, Apr 16, 2020	68.72	70.33	64.79	68.62
5511	NASDAQ	IOSP	Wed, Apr 15, 2020	70.39	73.13	68.09	68.57
5510	NASDAQ	IOSP	Tue, Apr 14, 2020	74.75	76.42	71.69	73.04
5509	NASDAQ	IOSP	Mon, Apr 13, 2020	72.79	75.33	70.82	72.57
5508	NASDAQ	IOSP	Thu, Apr 9, 2020	71.52	74.29	71.23	73.78
5507	NASDAQ	IOSP	Wed, Apr 8, 2020	70.43	71.60	69.17	70.13
5506	NASDAQ	IOSP	Tue, Apr 7, 2020	70.45	72.02	67.64	68.81
5505	NASDAQ	IOSP	Mon, Apr 6, 2020	66.88	72.07	66.84	69.58
5504	NASDAQ	IOSP	Fri, Apr 3, 2020	64.79	67.91	62.16	64.14
5503	NASDAQ	IOSP	Thu, Apr 2, 2020	63.51	67.26	63.51	65.81
5502	NASDAQ	IOSP	Wed, Apr 1, 2020	66.57	67.92	64.26	64.26
5501	NASDAQ	IOSP	Tue, Mar 31, 2020	68.53	76.41	67.98	69.49
5500	NASDAQ	IOSP	Mon, Mar 30, 2020	67.65	69.77	66.18	68.89
5499	NASDAQ	IOSP	Fri, Mar 27, 2020	69.79	72.31	66.21	66.56
5498	NASDAQ	IOSP	Thu, Mar 26, 2020	67.78	73.97	67.78	73.35
5497	NASDAQ	IOSP	Wed, Mar 25, 2020	69.13	70.80	65.88	66.88
5496	NASDAQ	IOSP	Tue, Mar 24, 2020	67.16	69.92	65.55	68.81
5495	NASDAQ	IOSP	Mon, Mar 23, 2020	61.44	64.35	59.10	64.05
5494	NASDAQ	IOSP	Fri, Mar 20, 2020	65.40	68.00	60.74	61.37
5493	NASDAQ	IOSP	Thu, Mar 19, 2020	62.98	77.17	60.60	65.10
5492	NASDAQ	IOSP	Wed, Mar 18, 2020	69.25	72.11	60.82	64.01
5491	NASDAQ	IOSP	Tue, Mar 17, 2020	63.01	73.95	56.71	73.73
5490	NASDAQ	IOSP	Mon, Mar 16, 2020	63.27	67.07	60.74	62.03
5489	NASDAQ	IOSP	Fri, Mar 13, 2020	68.89	70.64	64.41	69.94
5488	NASDAQ	IOSP	Thu, Mar 12, 2020	67.33	69.22	64.73	65.45
5487	NASDAQ	IOSP	Wed, Mar 11, 2020	75.09	76.89	70.44	72.47
5486	NASDAQ	IOSP	Tue, Mar 10, 2020	72.27	77.32	70.45	77.24
5485	NASDAQ	IOSP	Mon, Mar 9, 2020	79.28	80.62	69.18	69.64
5484	NASDAQ	IOSP	Fri, Mar 6, 2020	80.72	84.44	80.02	84.02
5483	NASDAQ	IOSP	Thu, Mar 5, 2020	86.81	87.62	82.60	83.09
5482	NASDAQ	IOSP	Wed, Mar 4, 2020	88.70	89.31	86.09	89.11
5481	NASDAQ	IOSP	Tue, Mar 3, 2020	88.39	90.59	86.24	87.63
5480	NASDAQ	IOSP	Mon, Mar 2, 2020	87.08	89.00	86.61	89.00
5479	NASDAQ	IOSP	Fri, Feb 28, 2020	81.20	87.02	80.85	86.54
5478	NASDAQ	IOSP	Thu, Feb 27, 2020	85.78	89.37	84.07	84.21
5477	NASDAQ	IOSP	Wed, Feb 26, 2020	88.09	88.84	87.24	87.86
5476	NASDAQ	IOSP	Tue, Feb 25, 2020	91.17	91.90	87.67	87.78
5475	NASDAQ	IOSP	Mon, Feb 24, 2020	92.43	93.90	90.54	90.96
5474	NASDAQ	IOSP	Fri, Feb 21, 2020	102.19	102.19	95.32	95.70
5473	NASDAQ	IOSP	Thu, Feb 20, 2020	104.25	105.35	102.36	102.51
5472	NASDAQ	IOSP	Wed, Feb 19, 2020	105.13	106.65	102.98	104.25
5471	NASDAQ	IOSP	Tue, Feb 18, 2020	104.54	106.91	97.04	103.55
5470	NASDAQ	IOSP	Fri, Feb 14, 2020	104.65	106.11	104.16	104.44
5469	NASDAQ	IOSP	Thu, Feb 13, 2020	104.00	105.01	103.71	104.74
5468	NASDAQ	IOSP	Wed, Feb 12, 2020	104.55	104.98	103.84	104.68
5467	NASDAQ	IOSP	Tue, Feb 11, 2020	103.97	104.78	103.10	103.98
5466	NASDAQ	IOSP	Mon, Feb 10, 2020	102.54	103.52	102.01	103.38
5465	NASDAQ	IOSP	Fri, Feb 7, 2020	103.43	103.45	101.38	102.63
5464	NASDAQ	IOSP	Thu, Feb 6, 2020	106.94	107.23	103.83	103.83
5463	NASDAQ	IOSP	Wed, Feb 5, 2020	106.11	106.61	104.73	106.43
5462	NASDAQ	IOSP	Tue, Feb 4, 2020	103.57	105.48	103.57	105.00
5461	NASDAQ	IOSP	Mon, Feb 3, 2020	101.46	102.73	101.20	102.20
5460	NASDAQ	IOSP	Fri, Jan 31, 2020	103.90	104.38	100.64	100.73
5459	NASDAQ	IOSP	Thu, Jan 30, 2020	103.37	104.61	102.46	104.55
5458	NASDAQ	IOSP	Wed, Jan 29, 2020	106.30	106.80	103.95	104.04
5457	NASDAQ	IOSP	Tue, Jan 28, 2020	105.96	106.68	105.18	106.03
5456	NASDAQ	IOSP	Mon, Jan 27, 2020	105.21	106.02	104.49	105.19
5455	NASDAQ	IOSP	Fri, Jan 24, 2020	107.54	107.85	105.70	106.45
5454	NASDAQ	IOSP	Thu, Jan 23, 2020	106.74	107.71	105.56	107.16
5453	NASDAQ	IOSP	Wed, Jan 22, 2020	106.44	107.41	105.39	106.79
5452	NASDAQ	IOSP	Tue, Jan 21, 2020	105.46	106.35	104.77	106.16
5451	NASDAQ	IOSP	Fri, Jan 17, 2020	105.20	106.86	104.50	106.08
5450	NASDAQ	IOSP	Thu, Jan 16, 2020	105.34	105.99	103.81	104.97
5449	NASDAQ	IOSP	Wed, Jan 15, 2020	103.73	105.03	103.73	104.83
5448	NASDAQ	IOSP	Tue, Jan 14, 2020	102.60	104.11	102.58	104.08
5447	NASDAQ	IOSP	Mon, Jan 13, 2020	101.88	103.28	101.88	102.96
5446	NASDAQ	IOSP	Fri, Jan 10, 2020	102.01	102.65	101.30	101.83
5445	NASDAQ	IOSP	Thu, Jan 9, 2020	102.66	103.32	101.30	102.04
5444	NASDAQ	IOSP	Wed, Jan 8, 2020	102.08	102.82	101.19	102.26
5443	NASDAQ	IOSP	Tue, Jan 7, 2020	102.25	102.76	101.48	101.78
5442	NASDAQ	IOSP	Mon, Jan 6, 2020	102.25	102.86	101.16	102.42
5441	NASDAQ	IOSP	Fri, Jan 3, 2020	102.54	103.22	101.84	102.94
5440	NASDAQ	IOSP	Thu, Jan 2, 2020	104.10	104.10	102.70	103.64
5439	NASDAQ	IOSP	Tue, Dec 31, 2019	103.11	104.08	102.00	103.44
5438	NASDAQ	IOSP	Mon, Dec 30, 2019	103.74	103.74	102.58	103.29
5437	NASDAQ	IOSP	Fri, Dec 27, 2019	104.08	104.50	103.16	103.45
5436	NASDAQ	IOSP	Thu, Dec 26, 2019	103.87	103.97	103.15	103.91
5435	NASDAQ	IOSP	Tue, Dec 24, 2019	103.08	103.57	102.25	103.57
5434	NASDAQ	IOSP	Mon, Dec 23, 2019	102.30	103.46	101.50	103.09
5433	NASDAQ	IOSP	Fri, Dec 20, 2019	101.16	102.71	100.53	102.40
5432	NASDAQ	IOSP	Thu, Dec 19, 2019	100.62	101.23	99.78	101.23
5431	NASDAQ	IOSP	Wed, Dec 18, 2019	100.28	101.06	98.96	100.95
5430	NASDAQ	IOSP	Tue, Dec 17, 2019	100.25	100.60	99.34	100.39
5429	NASDAQ	IOSP	Mon, Dec 16, 2019	100.59	101.67	99.98	100.46
5428	NASDAQ	IOSP	Fri, Dec 13, 2019	100.31	101.27	99.30	99.82
5427	NASDAQ	IOSP	Thu, Dec 12, 2019	98.86	101.27	98.32	100.64
5426	NASDAQ	IOSP	Wed, Dec 11, 2019	98.86	99.53	98.09	98.78
5425	NASDAQ	IOSP	Tue, Dec 10, 2019	99.67	99.74	98.64	99.02
5424	NASDAQ	IOSP	Mon, Dec 9, 2019	99.19	100.15	98.88	99.86
5423	NASDAQ	IOSP	Fri, Dec 6, 2019	100.86	101.33	99.14	99.26
5422	NASDAQ	IOSP	Thu, Dec 5, 2019	98.53	100.09	98.53	100.01
5421	NASDAQ	IOSP	Wed, Dec 4, 2019	98.24	99.78	97.50	98.52
5420	NASDAQ	IOSP	Tue, Dec 3, 2019	97.21	97.77	96.30	97.53
5419	NASDAQ	IOSP	Mon, Dec 2, 2019	98.61	99.43	98.03	98.43
5418	NASDAQ	IOSP	Fri, Nov 29, 2019	98.64	99.46	98.31	98.40
5417	NASDAQ	IOSP	Wed, Nov 27, 2019	98.88	99.42	97.28	99.00
5416	NASDAQ	IOSP	Tue, Nov 26, 2019	97.25	98.61	96.80	98.54
5415	NASDAQ	IOSP	Mon, Nov 25, 2019	95.53	97.69	95.53	97.23
5414	NASDAQ	IOSP	Fri, Nov 22, 2019	95.83	96.49	94.54	95.02
5413	NASDAQ	IOSP	Thu, Nov 21, 2019	95.82	95.96	94.36	95.44
5412	NASDAQ	IOSP	Wed, Nov 20, 2019	96.63	97.67	95.14	95.34
5411	NASDAQ	IOSP	Tue, Nov 19, 2019	96.42	97.67	95.71	97.34
5410	NASDAQ	IOSP	Mon, Nov 18, 2019	94.78	97.04	94.64	96.40
5409	NASDAQ	IOSP	Fri, Nov 15, 2019	97.29	97.50	95.53	95.72
5408	NASDAQ	IOSP	Thu, Nov 14, 2019	97.63	98.65	95.37	96.56
5407	NASDAQ	IOSP	Wed, Nov 13, 2019	99.05	99.30	97.96	98.09
5406	NASDAQ	IOSP	Tue, Nov 12, 2019	100.00	100.05	99.18	99.83
5405	NASDAQ	IOSP	Mon, Nov 11, 2019	99.14	100.32	98.24	99.83
5404	NASDAQ	IOSP	Fri, Nov 8, 2019	100.41	100.57	98.76	99.90
5403	NASDAQ	IOSP	Thu, Nov 7, 2019	99.40	100.67	98.74	100.00
5402	NASDAQ	IOSP	Wed, Nov 6, 2019	99.05	107.10	96.92	100.31
5401	NASDAQ	IOSP	Tue, Nov 5, 2019	91.97	93.28	91.97	92.19
5400	NASDAQ	IOSP	Mon, Nov 4, 2019	92.61	92.73	91.09	91.83
5399	NASDAQ	IOSP	Fri, Nov 1, 2019	91.80	92.22	91.31	91.95
5398	NASDAQ	IOSP	Thu, Oct 31, 2019	91.23	91.46	89.80	91.36
5397	NASDAQ	IOSP	Wed, Oct 30, 2019	91.42	91.86	90.34	91.55
5396	NASDAQ	IOSP	Tue, Oct 29, 2019	91.07	92.42	91.07	91.69
5395	NASDAQ	IOSP	Mon, Oct 28, 2019	90.59	92.00	90.59	91.36
5394	NASDAQ	IOSP	Fri, Oct 25, 2019	90.41	90.72	89.80	90.22
5393	NASDAQ	IOSP	Thu, Oct 24, 2019	91.85	91.85	90.00	90.48
5392	NASDAQ	IOSP	Wed, Oct 23, 2019	92.16	92.16	90.86	91.42
5391	NASDAQ	IOSP	Tue, Oct 22, 2019	92.47	93.13	91.86	92.18
5390	NASDAQ	IOSP	Mon, Oct 21, 2019	92.98	93.29	91.95	92.81
5389	NASDAQ	IOSP	Fri, Oct 18, 2019	93.77	94.02	92.34	92.34
5388	NASDAQ	IOSP	Thu, Oct 17, 2019	91.17	93.17	91.17	93.13
5387	NASDAQ	IOSP	Wed, Oct 16, 2019	90.20	92.49	90.17	90.80
5386	NASDAQ	IOSP	Tue, Oct 15, 2019	89.14	91.34	88.58	90.52
5385	NASDAQ	IOSP	Mon, Oct 14, 2019	87.69	89.31	87.42	89.09
5384	NASDAQ	IOSP	Fri, Oct 11, 2019	86.56	89.05	86.56	88.18
5383	NASDAQ	IOSP	Thu, Oct 10, 2019	86.84	87.18	85.32	85.47
5382	NASDAQ	IOSP	Wed, Oct 9, 2019	87.47	88.36	85.61	86.53
5381	NASDAQ	IOSP	Tue, Oct 8, 2019	86.74	87.81	86.11	86.84
5380	NASDAQ	IOSP	Mon, Oct 7, 2019	87.41	88.30	87.09	87.55
5379	NASDAQ	IOSP	Fri, Oct 4, 2019	87.36	88.05	86.86	87.78
5378	NASDAQ	IOSP	Thu, Oct 3, 2019	86.74	87.78	85.89	87.34
5377	NASDAQ	IOSP	Wed, Oct 2, 2019	86.70	87.73	85.47	87.32
5376	NASDAQ	IOSP	Tue, Oct 1, 2019	89.62	90.59	87.01	87.40
5375	NASDAQ	IOSP	Mon, Sep 30, 2019	89.41	90.20	88.82	89.14
5374	NASDAQ	IOSP	Fri, Sep 27, 2019	88.40	89.94	88.18	89.26
5373	NASDAQ	IOSP	Thu, Sep 26, 2019	88.91	88.91	87.12	88.18
5372	NASDAQ	IOSP	Wed, Sep 25, 2019	88.16	89.44	87.81	89.15
5371	NASDAQ	IOSP	Tue, Sep 24, 2019	91.33	91.50	87.63	88.45
5370	NASDAQ	IOSP	Mon, Sep 23, 2019	90.66	91.48	90.19	90.77
5369	NASDAQ	IOSP	Fri, Sep 20, 2019	93.19	93.68	90.95	91.41
5368	NASDAQ	IOSP	Thu, Sep 19, 2019	94.91	95.35	93.15	93.19
5367	NASDAQ	IOSP	Wed, Sep 18, 2019	95.08	95.96	94.43	94.89
5366	NASDAQ	IOSP	Tue, Sep 17, 2019	95.07	95.32	93.29	95.01
5365	NASDAQ	IOSP	Mon, Sep 16, 2019	95.41	96.59	94.07	94.60
5364	NASDAQ	IOSP	Fri, Sep 13, 2019	94.99	97.18	94.12	95.36
5363	NASDAQ	IOSP	Thu, Sep 12, 2019	94.99	94.99	93.11	94.48
5362	NASDAQ	IOSP	Wed, Sep 11, 2019	91.59	94.71	90.50	94.57
5361	NASDAQ	IOSP	Tue, Sep 10, 2019	88.84	91.72	88.72	90.91
5360	NASDAQ	IOSP	Mon, Sep 9, 2019	87.37	89.16	86.72	89.11
5359	NASDAQ	IOSP	Fri, Sep 6, 2019	87.44	87.77	86.43	87.02
5358	NASDAQ	IOSP	Thu, Sep 5, 2019	87.19	89.75	87.00	87.26
5357	NASDAQ	IOSP	Wed, Sep 4, 2019	84.42	86.61	83.52	86.53
5356	NASDAQ	IOSP	Tue, Sep 3, 2019	82.54	83.30	81.46	82.57
5355	NASDAQ	IOSP	Fri, Aug 30, 2019	83.96	84.90	82.68	83.18
5354	NASDAQ	IOSP	Thu, Aug 29, 2019	84.39	85.00	82.95	83.10
5353	NASDAQ	IOSP	Wed, Aug 28, 2019	82.70	84.74	82.70	83.51
5352	NASDAQ	IOSP	Tue, Aug 27, 2019	83.30	84.10	82.25	82.73
5351	NASDAQ	IOSP	Mon, Aug 26, 2019	82.79	83.16	81.90	82.74
5350	NASDAQ	IOSP	Fri, Aug 23, 2019	83.56	84.24	81.77	81.92
5349	NASDAQ	IOSP	Thu, Aug 22, 2019	85.24	85.86	83.37	83.94
5348	NASDAQ	IOSP	Wed, Aug 21, 2019	85.12	85.40	84.27	85.18
5347	NASDAQ	IOSP	Tue, Aug 20, 2019	84.66	85.61	83.99	84.14
5346	NASDAQ	IOSP	Mon, Aug 19, 2019	86.28	86.45	83.98	85.05
5345	NASDAQ	IOSP	Fri, Aug 16, 2019	85.28	86.26	84.17	85.00
5344	NASDAQ	IOSP	Thu, Aug 15, 2019	84.13	85.22	83.56	84.47
5343	NASDAQ	IOSP	Wed, Aug 14, 2019	86.13	90.76	83.57	84.06
5342	NASDAQ	IOSP	Tue, Aug 13, 2019	87.22	89.28	86.92	87.29
5341	NASDAQ	IOSP	Mon, Aug 12, 2019	88.06	88.76	86.50	87.37
5340	NASDAQ	IOSP	Fri, Aug 9, 2019	89.93	92.13	87.83	88.36
5339	NASDAQ	IOSP	Thu, Aug 8, 2019	87.94	91.55	87.94	90.50
5338	NASDAQ	IOSP	Wed, Aug 7, 2019	85.84	95.00	85.84	87.19
5337	NASDAQ	IOSP	Tue, Aug 6, 2019	86.62	90.28	85.78	87.27
5336	NASDAQ	IOSP	Mon, Aug 5, 2019	88.85	88.85	85.53	86.47
5335	NASDAQ	IOSP	Fri, Aug 2, 2019	91.97	91.97	89.96	90.37
5334	NASDAQ	IOSP	Thu, Aug 1, 2019	93.45	95.95	91.90	92.48
5333	NASDAQ	IOSP	Wed, Jul 31, 2019	94.37	96.23	92.04	93.38
5332	NASDAQ	IOSP	Tue, Jul 30, 2019	92.13	94.39	92.06	94.29
5331	NASDAQ	IOSP	Mon, Jul 29, 2019	93.90	94.68	92.45	92.72
5330	NASDAQ	IOSP	Fri, Jul 26, 2019	92.42	94.31	92.06	93.85
5329	NASDAQ	IOSP	Thu, Jul 25, 2019	93.73	93.94	91.64	92.07
5328	NASDAQ	IOSP	Wed, Jul 24, 2019	91.71	94.16	91.44	93.73
5327	NASDAQ	IOSP	Tue, Jul 23, 2019	91.23	92.30	90.62	92.06
5326	NASDAQ	IOSP	Mon, Jul 22, 2019	91.49	92.23	90.60	90.76
5325	NASDAQ	IOSP	Fri, Jul 19, 2019	92.18	92.51	91.10	91.23
5324	NASDAQ	IOSP	Thu, Jul 18, 2019	91.88	92.67	91.61	91.81
5323	NASDAQ	IOSP	Wed, Jul 17, 2019	92.74	93.88	91.62	92.11
5322	NASDAQ	IOSP	Tue, Jul 16, 2019	92.11	95.28	91.59	92.56
5321	NASDAQ	IOSP	Mon, Jul 15, 2019	92.77	92.80	91.29	92.16
5320	NASDAQ	IOSP	Fri, Jul 12, 2019	91.92	92.91	91.14	92.40
5319	NASDAQ	IOSP	Thu, Jul 11, 2019	91.95	91.96	90.37	91.56
5318	NASDAQ	IOSP	Wed, Jul 10, 2019	93.55	93.55	91.43	91.56
5317	NASDAQ	IOSP	Tue, Jul 9, 2019	94.65	94.79	91.94	92.63
5316	NASDAQ	IOSP	Mon, Jul 8, 2019	93.85	94.71	93.35	94.48
5315	NASDAQ	IOSP	Fri, Jul 5, 2019	93.27	94.27	92.92	94.22
5314	NASDAQ	IOSP	Wed, Jul 3, 2019	92.64	94.10	92.20	94.02
5313	NASDAQ	IOSP	Tue, Jul 2, 2019	92.67	93.05	91.51	92.44
5312	NASDAQ	IOSP	Mon, Jul 1, 2019	90.80	93.18	90.60	92.65
5311	NASDAQ	IOSP	Fri, Jun 28, 2019	88.61	91.50	88.61	91.24
5310	NASDAQ	IOSP	Thu, Jun 27, 2019	85.92	88.26	85.41	88.23
5309	NASDAQ	IOSP	Wed, Jun 26, 2019	84.96	85.62	84.20	85.34
5308	NASDAQ	IOSP	Tue, Jun 25, 2019	84.27	84.66	82.90	84.36
5307	NASDAQ	IOSP	Mon, Jun 24, 2019	85.28	85.68	83.91	83.91
5306	NASDAQ	IOSP	Fri, Jun 21, 2019	86.42	86.70	85.09	85.28
5305	NASDAQ	IOSP	Thu, Jun 20, 2019	87.41	87.41	85.44	86.92
5304	NASDAQ	IOSP	Wed, Jun 19, 2019	87.18	87.64	86.11	86.21
5303	NASDAQ	IOSP	Tue, Jun 18, 2019	86.47	87.95	85.67	87.34
5302	NASDAQ	IOSP	Mon, Jun 17, 2019	85.70	86.70	84.82	85.75
5301	NASDAQ	IOSP	Fri, Jun 14, 2019	85.50	86.26	84.58	85.65
5300	NASDAQ	IOSP	Thu, Jun 13, 2019	85.00	86.29	84.70	85.61
5299	NASDAQ	IOSP	Wed, Jun 12, 2019	84.80	85.44	83.43	85.12
5298	NASDAQ	IOSP	Tue, Jun 11, 2019	85.45	86.55	84.55	84.80
5297	NASDAQ	IOSP	Mon, Jun 10, 2019	85.18	86.96	84.27	84.67
5296	NASDAQ	IOSP	Fri, Jun 7, 2019	84.23	85.37	84.08	84.73
5295	NASDAQ	IOSP	Thu, Jun 6, 2019	84.65	86.27	82.81	83.91
5294	NASDAQ	IOSP	Wed, Jun 5, 2019	85.27	87.13	84.08	84.65
5293	NASDAQ	IOSP	Tue, Jun 4, 2019	82.99	85.62	82.39	85.46
5292	NASDAQ	IOSP	Mon, Jun 3, 2019	80.73	82.24	80.64	82.21
5291	NASDAQ	IOSP	Fri, May 31, 2019	80.78	83.34	80.28	80.71
5290	NASDAQ	IOSP	Thu, May 30, 2019	83.07	83.71	81.42	81.87
5289	NASDAQ	IOSP	Wed, May 29, 2019	81.87	83.16	81.53	82.83
5288	NASDAQ	IOSP	Tue, May 28, 2019	81.67	83.53	80.67	82.53
5287	NASDAQ	IOSP	Fri, May 24, 2019	79.80	81.55	79.45	81.36
5286	NASDAQ	IOSP	Thu, May 23, 2019	81.07	81.21	78.00	79.07
5285	NASDAQ	IOSP	Wed, May 22, 2019	81.73	82.20	81.18	81.80
5284	NASDAQ	IOSP	Tue, May 21, 2019	81.18	81.91	80.33	81.73
5283	NASDAQ	IOSP	Mon, May 20, 2019	81.29	82.31	80.90	80.93
5282	NASDAQ	IOSP	Fri, May 17, 2019	82.99	83.96	81.78	82.61
5281	NASDAQ	IOSP	Thu, May 16, 2019	83.17	84.42	82.54	83.50
5280	NASDAQ	IOSP	Wed, May 15, 2019	81.30	82.98	81.20	82.66
5279	NASDAQ	IOSP	Tue, May 14, 2019	82.17	82.39	81.02	81.85
5278	NASDAQ	IOSP	Mon, May 13, 2019	84.57	84.99	81.39	81.71
5277	NASDAQ	IOSP	Fri, May 10, 2019	84.96	85.90	83.86	85.77
5276	NASDAQ	IOSP	Thu, May 9, 2019	85.57	86.39	83.64	84.95
5275	NASDAQ	IOSP	Wed, May 8, 2019	85.77	88.84	84.87	86.39
5274	NASDAQ	IOSP	Tue, May 7, 2019	85.12	85.43	83.54	84.11
5273	NASDAQ	IOSP	Mon, May 6, 2019	84.65	86.19	83.90	86.07
5272	NASDAQ	IOSP	Fri, May 3, 2019	83.35	85.73	82.85	85.50
5271	NASDAQ	IOSP	Thu, May 2, 2019	82.14	83.24	81.43	82.95
5270	NASDAQ	IOSP	Wed, May 1, 2019	84.91	86.19	82.06	82.23
5269	NASDAQ	IOSP	Tue, Apr 30, 2019	84.13	84.94	83.42	84.82
5268	NASDAQ	IOSP	Mon, Apr 29, 2019	83.64	84.06	82.77	83.99
5267	NASDAQ	IOSP	Fri, Apr 26, 2019	82.18	83.52	81.28	83.52
5266	NASDAQ	IOSP	Thu, Apr 25, 2019	84.19	84.19	81.09	82.19
5265	NASDAQ	IOSP	Wed, Apr 24, 2019	84.61	85.13	84.12	84.39
5264	NASDAQ	IOSP	Tue, Apr 23, 2019	83.68	85.65	83.24	84.76
5263	NASDAQ	IOSP	Mon, Apr 22, 2019	84.67	86.47	83.44	83.82
5262	NASDAQ	IOSP	Thu, Apr 18, 2019	85.49	87.86	84.68	84.86
5261	NASDAQ	IOSP	Wed, Apr 17, 2019	85.76	85.76	84.53	85.59
5260	NASDAQ	IOSP	Tue, Apr 16, 2019	84.74	85.62	84.71	85.33
5259	NASDAQ	IOSP	Mon, Apr 15, 2019	84.79	85.35	84.10	84.40
5258	NASDAQ	IOSP	Fri, Apr 12, 2019	83.54	85.18	82.15	84.90
5257	NASDAQ	IOSP	Thu, Apr 11, 2019	85.29	85.29	84.39	84.70
5256	NASDAQ	IOSP	Wed, Apr 10, 2019	84.97	85.96	84.51	85.01
5255	NASDAQ	IOSP	Tue, Apr 9, 2019	84.90	85.50	84.05	84.54
5254	NASDAQ	IOSP	Mon, Apr 8, 2019	84.49	85.57	83.88	85.12
5253	NASDAQ	IOSP	Fri, Apr 5, 2019	85.44	86.43	84.27	84.55
5252	NASDAQ	IOSP	Thu, Apr 4, 2019	85.04	85.61	84.63	85.34
5251	NASDAQ	IOSP	Wed, Apr 3, 2019	84.43	85.75	84.43	84.98
5250	NASDAQ	IOSP	Tue, Apr 2, 2019	83.99	84.92	83.07	84.01
5249	NASDAQ	IOSP	Mon, Apr 1, 2019	84.01	84.46	83.01	83.75
5248	NASDAQ	IOSP	Fri, Mar 29, 2019	84.39	85.20	82.90	83.35
5247	NASDAQ	IOSP	Thu, Mar 28, 2019	83.17	84.52	82.49	83.76
5246	NASDAQ	IOSP	Wed, Mar 27, 2019	82.45	83.60	81.66	82.91
5245	NASDAQ	IOSP	Tue, Mar 26, 2019	81.90	83.43	81.81	82.68
5244	NASDAQ	IOSP	Mon, Mar 25, 2019	79.85	81.96	79.64	81.45
5243	NASDAQ	IOSP	Fri, Mar 22, 2019	82.57	83.31	79.23	79.91
5242	NASDAQ	IOSP	Thu, Mar 21, 2019	81.59	83.71	81.19	83.03
5241	NASDAQ	IOSP	Wed, Mar 20, 2019	82.02	83.20	81.10	81.60
5240	NASDAQ	IOSP	Tue, Mar 19, 2019	83.79	84.12	81.96	82.13
5239	NASDAQ	IOSP	Mon, Mar 18, 2019	82.74	83.61	81.58	83.39
5238	NASDAQ	IOSP	Fri, Mar 15, 2019	82.76	84.14	80.43	82.65
5237	NASDAQ	IOSP	Thu, Mar 14, 2019	83.44	84.13	82.52	82.76
5236	NASDAQ	IOSP	Wed, Mar 13, 2019	84.31	84.62	82.11	83.48
5235	NASDAQ	IOSP	Tue, Mar 12, 2019	84.57	85.18	83.64	83.74
5234	NASDAQ	IOSP	Mon, Mar 11, 2019	83.22	84.60	81.84	84.58
5233	NASDAQ	IOSP	Fri, Mar 8, 2019	82.59	83.55	82.42	82.78
5232	NASDAQ	IOSP	Thu, Mar 7, 2019	84.10	84.35	81.86	83.32
5231	NASDAQ	IOSP	Wed, Mar 6, 2019	84.30	86.53	83.04	83.99
5230	NASDAQ	IOSP	Tue, Mar 5, 2019	83.23	84.69	83.08	83.99
5229	NASDAQ	IOSP	Mon, Mar 4, 2019	82.79	84.05	82.23	83.38
5228	NASDAQ	IOSP	Fri, Mar 1, 2019	82.39	83.57	81.50	82.76
5227	NASDAQ	IOSP	Thu, Feb 28, 2019	82.14	82.85	81.30	81.86
5226	NASDAQ	IOSP	Wed, Feb 27, 2019	81.16	82.39	80.69	82.15
5225	NASDAQ	IOSP	Tue, Feb 26, 2019	81.94	82.33	80.50	81.28
5224	NASDAQ	IOSP	Mon, Feb 25, 2019	81.20	82.36	81.07	81.78
5223	NASDAQ	IOSP	Fri, Feb 22, 2019	81.69	81.69	79.96	81.07
5222	NASDAQ	IOSP	Thu, Feb 21, 2019	78.79	82.16	77.56	80.99
5221	NASDAQ	IOSP	Wed, Feb 20, 2019	72.83	79.53	72.83	78.22
5220	NASDAQ	IOSP	Tue, Feb 19, 2019	73.90	75.98	73.63	75.37
5219	NASDAQ	IOSP	Fri, Feb 15, 2019	73.27	74.24	73.00	73.94
5218	NASDAQ	IOSP	Thu, Feb 14, 2019	74.38	74.83	72.49	72.65
5217	NASDAQ	IOSP	Wed, Feb 13, 2019	73.10	74.35	72.84	73.89
5216	NASDAQ	IOSP	Tue, Feb 12, 2019	73.11	73.45	71.71	72.76
5215	NASDAQ	IOSP	Mon, Feb 11, 2019	72.33	73.69	71.42	73.51
5214	NASDAQ	IOSP	Fri, Feb 8, 2019	72.30	72.30	70.90	72.16
5213	NASDAQ	IOSP	Thu, Feb 7, 2019	72.06	72.92	70.99	71.80
5212	NASDAQ	IOSP	Wed, Feb 6, 2019	74.65	74.65	71.68	72.63
5211	NASDAQ	IOSP	Tue, Feb 5, 2019	71.43	72.34	71.35	71.86
5210	NASDAQ	IOSP	Mon, Feb 4, 2019	70.93	71.56	69.65	71.33
5209	NASDAQ	IOSP	Fri, Feb 1, 2019	70.42	71.85	70.33	70.94
5208	NASDAQ	IOSP	Thu, Jan 31, 2019	69.12	70.36	68.78	70.27
5207	NASDAQ	IOSP	Wed, Jan 30, 2019	69.11	69.89	68.28	69.49
5206	NASDAQ	IOSP	Tue, Jan 29, 2019	68.26	69.37	68.11	68.74
5205	NASDAQ	IOSP	Mon, Jan 28, 2019	67.98	68.79	67.66	68.23
5204	NASDAQ	IOSP	Fri, Jan 25, 2019	67.99	69.69	67.99	68.72
5203	NASDAQ	IOSP	Thu, Jan 24, 2019	66.19	67.56	66.04	67.50
5202	NASDAQ	IOSP	Wed, Jan 23, 2019	66.66	68.08	65.79	66.18
5201	NASDAQ	IOSP	Tue, Jan 22, 2019	66.32	66.82	65.43	66.31
5200	NASDAQ	IOSP	Fri, Jan 18, 2019	66.05	68.15	66.05	67.14
5199	NASDAQ	IOSP	Thu, Jan 17, 2019	64.07	66.07	64.07	65.98
5198	NASDAQ	IOSP	Wed, Jan 16, 2019	62.50	64.76	62.50	64.26
5197	NASDAQ	IOSP	Tue, Jan 15, 2019	62.20	62.52	61.37	62.34
5196	NASDAQ	IOSP	Mon, Jan 14, 2019	61.87	63.02	61.50	62.19
5195	NASDAQ	IOSP	Fri, Jan 11, 2019	62.50	63.39	62.11	62.36
5194	NASDAQ	IOSP	Thu, Jan 10, 2019	63.66	63.66	62.14	62.90
5193	NASDAQ	IOSP	Wed, Jan 9, 2019	62.61	63.25	61.90	62.67
5192	NASDAQ	IOSP	Tue, Jan 8, 2019	62.92	62.92	61.60	62.18
5191	NASDAQ	IOSP	Mon, Jan 7, 2019	62.63	63.63	61.61	62.30
5190	NASDAQ	IOSP	Fri, Jan 4, 2019	61.21	63.32	60.95	62.76
5189	NASDAQ	IOSP	Thu, Jan 3, 2019	61.60	62.64	60.04	60.21
5188	NASDAQ	IOSP	Wed, Jan 2, 2019	60.54	62.99	56.94	61.77
5187	NASDAQ	IOSP	Mon, Dec 31, 2018	61.87	62.21	60.65	61.76
5186	NASDAQ	IOSP	Fri, Dec 28, 2018	60.28	62.46	59.30	61.30
5185	NASDAQ	IOSP	Thu, Dec 27, 2018	58.65	60.21	57.94	60.21
5184	NASDAQ	IOSP	Wed, Dec 26, 2018	58.03	59.68	56.07	59.66
5183	NASDAQ	IOSP	Mon, Dec 24, 2018	59.53	59.54	53.07	57.78
5182	NASDAQ	IOSP	Fri, Dec 21, 2018	61.72	62.58	59.90	59.95
5181	NASDAQ	IOSP	Thu, Dec 20, 2018	61.06	62.60	60.22	61.44
5180	NASDAQ	IOSP	Wed, Dec 19, 2018	63.14	65.27	60.23	61.13
5179	NASDAQ	IOSP	Tue, Dec 18, 2018	64.66	67.09	62.60	62.98
5178	NASDAQ	IOSP	Mon, Dec 17, 2018	66.29	67.41	63.59	64.10
5177	NASDAQ	IOSP	Fri, Dec 14, 2018	66.63	67.80	65.93	66.45
5176	NASDAQ	IOSP	Thu, Dec 13, 2018	68.44	69.34	66.93	67.75
5175	NASDAQ	IOSP	Wed, Dec 12, 2018	66.95	69.22	66.25	68.04
5174	NASDAQ	IOSP	Tue, Dec 11, 2018	67.30	67.30	65.77	66.07
5173	NASDAQ	IOSP	Mon, Dec 10, 2018	65.80	66.77	63.56	66.14
5172	NASDAQ	IOSP	Fri, Dec 7, 2018	67.07	68.71	65.01	66.08
5171	NASDAQ	IOSP	Thu, Dec 6, 2018	67.63	67.63	65.11	66.86
5170	NASDAQ	IOSP	Tue, Dec 4, 2018	73.98	74.80	68.47	68.63
5169	NASDAQ	IOSP	Mon, Dec 3, 2018	74.92	74.92	72.36	73.98
5168	NASDAQ	IOSP	Fri, Nov 30, 2018	72.71	75.96	72.71	73.74
5167	NASDAQ	IOSP	Thu, Nov 29, 2018	73.24	75.54	72.67	73.02
5166	NASDAQ	IOSP	Wed, Nov 28, 2018	70.14	73.51	69.56	73.31
5165	NASDAQ	IOSP	Tue, Nov 27, 2018	71.19	71.68	69.60	69.93
5164	NASDAQ	IOSP	Mon, Nov 26, 2018	72.67	72.82	71.02	71.55
5163	NASDAQ	IOSP	Fri, Nov 23, 2018	70.43	72.49	70.43	71.91
5162	NASDAQ	IOSP	Wed, Nov 21, 2018	71.24	72.20	70.68	71.07
5161	NASDAQ	IOSP	Tue, Nov 20, 2018	73.60	73.74	70.53	70.57
5160	NASDAQ	IOSP	Mon, Nov 19, 2018	77.05	77.05	74.04	74.32
5159	NASDAQ	IOSP	Fri, Nov 16, 2018	74.23	76.88	73.39	76.82
5158	NASDAQ	IOSP	Thu, Nov 15, 2018	73.26	75.48	73.10	75.26
5157	NASDAQ	IOSP	Wed, Nov 14, 2018	74.17	74.86	72.57	73.71
5156	NASDAQ	IOSP	Tue, Nov 13, 2018	73.97	74.86	72.73	73.20
5155	NASDAQ	IOSP	Mon, Nov 12, 2018	74.30	75.16	73.55	73.71
5154	NASDAQ	IOSP	Fri, Nov 9, 2018	76.11	76.11	73.50	73.94
5153	NASDAQ	IOSP	Thu, Nov 8, 2018	74.87	78.39	73.10	76.12
5152	NASDAQ	IOSP	Wed, Nov 7, 2018	73.00	77.60	65.50	75.01
5151	NASDAQ	IOSP	Tue, Nov 6, 2018	68.25	69.05	66.98	68.14
5150	NASDAQ	IOSP	Mon, Nov 5, 2018	68.36	69.11	67.18	68.26
5149	NASDAQ	IOSP	Fri, Nov 2, 2018	67.97	69.26	67.02	68.18
5148	NASDAQ	IOSP	Thu, Nov 1, 2018	67.28	68.36	67.02	67.78
5147	NASDAQ	IOSP	Wed, Oct 31, 2018	68.04	68.66	66.76	66.92
5146	NASDAQ	IOSP	Tue, Oct 30, 2018	65.15	67.27	64.83	67.23
5145	NASDAQ	IOSP	Mon, Oct 29, 2018	67.02	68.13	64.16	65.11
5144	NASDAQ	IOSP	Fri, Oct 26, 2018	65.14	66.84	63.41	65.91
5143	NASDAQ	IOSP	Thu, Oct 25, 2018	65.26	66.55	64.86	66.31
5142	NASDAQ	IOSP	Wed, Oct 24, 2018	67.85	67.89	64.69	64.77
5141	NASDAQ	IOSP	Tue, Oct 23, 2018	67.79	68.49	66.75	67.61
5140	NASDAQ	IOSP	Mon, Oct 22, 2018	68.03	68.85	67.55	68.81
5139	NASDAQ	IOSP	Fri, Oct 19, 2018	68.41	69.40	67.27	67.86
5138	NASDAQ	IOSP	Thu, Oct 18, 2018	69.32	70.56	68.04	68.42
5137	NASDAQ	IOSP	Wed, Oct 17, 2018	69.30	69.88	68.32	69.64
5136	NASDAQ	IOSP	Tue, Oct 16, 2018	67.60	70.11	66.97	69.55
5135	NASDAQ	IOSP	Mon, Oct 15, 2018	66.90	67.76	66.30	67.27
5134	NASDAQ	IOSP	Fri, Oct 12, 2018	68.73	68.73	66.46	66.98
5133	NASDAQ	IOSP	Thu, Oct 11, 2018	69.23	69.54	67.69	67.69
5132	NASDAQ	IOSP	Wed, Oct 10, 2018	71.87	74.09	69.42	69.49
5131	NASDAQ	IOSP	Tue, Oct 9, 2018	72.88	73.79	71.84	72.13
5130	NASDAQ	IOSP	Mon, Oct 8, 2018	72.48	74.87	72.48	73.21
5129	NASDAQ	IOSP	Fri, Oct 5, 2018	73.43	73.49	71.84	72.70
5128	NASDAQ	IOSP	Thu, Oct 4, 2018	74.38	74.64	73.27	73.43
5127	NASDAQ	IOSP	Wed, Oct 3, 2018	74.22	76.20	73.81	74.56
5126	NASDAQ	IOSP	Tue, Oct 2, 2018	74.65	74.78	73.92	74.16
5125	NASDAQ	IOSP	Mon, Oct 1, 2018	77.05	77.05	74.49	74.65
5124	NASDAQ	IOSP	Fri, Sep 28, 2018	76.05	77.20	76.00	76.75
5123	NASDAQ	IOSP	Thu, Sep 27, 2018	76.25	77.45	75.60	76.20
5122	NASDAQ	IOSP	Wed, Sep 26, 2018	76.40	76.95	75.65	76.25
5121	NASDAQ	IOSP	Tue, Sep 25, 2018	76.30	76.90	76.08	76.40
5120	NASDAQ	IOSP	Mon, Sep 24, 2018	76.45	76.95	75.65	76.10
5119	NASDAQ	IOSP	Fri, Sep 21, 2018	76.45	76.80	75.80	76.30
5118	NASDAQ	IOSP	Thu, Sep 20, 2018	76.05	76.90	75.90	76.40
5117	NASDAQ	IOSP	Wed, Sep 19, 2018	76.25	76.65	75.60	75.75
5116	NASDAQ	IOSP	Tue, Sep 18, 2018	76.00	76.60	76.00	76.20
5115	NASDAQ	IOSP	Mon, Sep 17, 2018	76.85	77.35	75.70	75.75
5114	NASDAQ	IOSP	Fri, Sep 14, 2018	76.10	77.10	76.10	76.95
5113	NASDAQ	IOSP	Thu, Sep 13, 2018	76.35	77.00	76.05	76.15
5112	NASDAQ	IOSP	Wed, Sep 12, 2018	75.90	76.30	75.05	76.00
5111	NASDAQ	IOSP	Tue, Sep 11, 2018	76.10	76.94	75.90	76.10
5110	NASDAQ	IOSP	Mon, Sep 10, 2018	76.80	77.30	76.35	76.45
5109	NASDAQ	IOSP	Fri, Sep 7, 2018	76.55	76.73	76.03	76.50
5108	NASDAQ	IOSP	Thu, Sep 6, 2018	76.90	77.25	76.28	76.90
5107	NASDAQ	IOSP	Wed, Sep 5, 2018	76.55	76.95	76.15	76.85
5106	NASDAQ	IOSP	Tue, Sep 4, 2018	77.35	77.35	76.00	76.60
5105	NASDAQ	IOSP	Fri, Aug 31, 2018	76.45	77.75	76.45	77.60
5104	NASDAQ	IOSP	Thu, Aug 30, 2018	77.25	77.90	76.65	76.75
5103	NASDAQ	IOSP	Wed, Aug 29, 2018	77.15	77.70	76.65	77.50
5102	NASDAQ	IOSP	Tue, Aug 28, 2018	78.45	78.78	77.05	77.05
5101	NASDAQ	IOSP	Mon, Aug 27, 2018	78.00	79.30	77.55	78.45
5100	NASDAQ	IOSP	Fri, Aug 24, 2018	75.80	77.85	75.80	77.80
5099	NASDAQ	IOSP	Thu, Aug 23, 2018	76.75	76.78	75.55	75.85
5098	NASDAQ	IOSP	Wed, Aug 22, 2018	77.55	77.95	76.95	77.10
5097	NASDAQ	IOSP	Tue, Aug 21, 2018	77.20	78.40	77.20	77.60
5096	NASDAQ	IOSP	Mon, Aug 20, 2018	76.10	77.25	75.80	77.15
5095	NASDAQ	IOSP	Fri, Aug 17, 2018	75.40	76.20	75.30	75.95
5094	NASDAQ	IOSP	Thu, Aug 16, 2018	74.50	76.10	74.50	75.80
5093	NASDAQ	IOSP	Wed, Aug 15, 2018	74.65	74.65	72.88	74.15
5092	NASDAQ	IOSP	Tue, Aug 14, 2018	74.45	75.55	74.25	74.80
5091	NASDAQ	IOSP	Mon, Aug 13, 2018	74.85	75.30	73.85	74.20
5090	NASDAQ	IOSP	Fri, Aug 10, 2018	74.45	75.73	74.15	74.90
5089	NASDAQ	IOSP	Thu, Aug 9, 2018	75.75	77.38	73.00	75.05
5088	NASDAQ	IOSP	Wed, Aug 8, 2018	77.00	78.50	71.75	75.85
5087	NASDAQ	IOSP	Tue, Aug 7, 2018	78.80	79.70	78.60	79.55
5086	NASDAQ	IOSP	Mon, Aug 6, 2018	78.10	79.25	78.05	78.45
5085	NASDAQ	IOSP	Fri, Aug 3, 2018	79.05	80.15	77.85	78.10
5084	NASDAQ	IOSP	Thu, Aug 2, 2018	78.45	79.40	78.20	78.90
5083	NASDAQ	IOSP	Wed, Aug 1, 2018	80.70	80.80	78.30	78.75
5082	NASDAQ	IOSP	Tue, Jul 31, 2018	78.15	81.05	78.15	80.95
5081	NASDAQ	IOSP	Mon, Jul 30, 2018	79.30	79.60	78.40	78.40
5080	NASDAQ	IOSP	Fri, Jul 27, 2018	81.65	82.15	79.25	79.35
5079	NASDAQ	IOSP	Thu, Jul 26, 2018	79.40	81.85	79.35	81.70
5078	NASDAQ	IOSP	Wed, Jul 25, 2018	78.95	79.45	77.90	79.40
5077	NASDAQ	IOSP	Tue, Jul 24, 2018	80.25	80.45	78.90	79.05
5076	NASDAQ	IOSP	Mon, Jul 23, 2018	81.55	81.55	79.55	79.75
5075	NASDAQ	IOSP	Fri, Jul 20, 2018	82.25	82.30	81.38	81.55
5074	NASDAQ	IOSP	Thu, Jul 19, 2018	82.15	83.05	81.90	82.50
5073	NASDAQ	IOSP	Wed, Jul 18, 2018	82.75	83.20	82.35	82.50
5072	NASDAQ	IOSP	Tue, Jul 17, 2018	81.30	82.70	81.30	82.70
5071	NASDAQ	IOSP	Mon, Jul 16, 2018	82.25	82.45	80.60	81.50
5070	NASDAQ	IOSP	Fri, Jul 13, 2018	82.45	82.85	81.25	82.00
5069	NASDAQ	IOSP	Thu, Jul 12, 2018	81.15	81.85	80.45	81.25
5068	NASDAQ	IOSP	Wed, Jul 11, 2018	80.90	81.40	79.52	80.85
5067	NASDAQ	IOSP	Tue, Jul 10, 2018	81.60	82.20	80.85	81.40
5066	NASDAQ	IOSP	Mon, Jul 9, 2018	80.25	81.75	80.05	81.55
5065	NASDAQ	IOSP	Fri, Jul 6, 2018	78.00	79.90	77.85	79.75
5064	NASDAQ	IOSP	Thu, Jul 5, 2018	77.60	78.05	77.20	78.00
5063	NASDAQ	IOSP	Tue, Jul 3, 2018	77.60	78.00	77.30	77.55
5062	NASDAQ	IOSP	Mon, Jul 2, 2018	76.15	77.45	75.95	77.45
5061	NASDAQ	IOSP	Fri, Jun 29, 2018	77.00	77.65	76.50	76.55
5060	NASDAQ	IOSP	Thu, Jun 28, 2018	77.30	77.80	76.40	76.85
5059	NASDAQ	IOSP	Wed, Jun 27, 2018	78.80	79.33	77.40	77.53
5058	NASDAQ	IOSP	Tue, Jun 26, 2018	78.25	79.25	77.85	78.85
5057	NASDAQ	IOSP	Mon, Jun 25, 2018	79.50	79.50	77.85	78.00
5056	NASDAQ	IOSP	Fri, Jun 22, 2018	79.40	79.95	78.90	79.85
5055	NASDAQ	IOSP	Thu, Jun 21, 2018	79.95	80.15	78.65	79.00
5054	NASDAQ	IOSP	Wed, Jun 20, 2018	80.15	80.50	79.40	80.05
5053	NASDAQ	IOSP	Tue, Jun 19, 2018	79.70	79.98	78.80	79.85
5052	NASDAQ	IOSP	Mon, Jun 18, 2018	79.25	80.10	78.50	80.00
5051	NASDAQ	IOSP	Fri, Jun 15, 2018	79.25	79.93	79.00	79.55
5050	NASDAQ	IOSP	Thu, Jun 14, 2018	79.85	80.05	78.90	79.65
5049	NASDAQ	IOSP	Wed, Jun 13, 2018	79.70	80.00	79.10	79.50
5048	NASDAQ	IOSP	Tue, Jun 12, 2018	79.95	80.40	79.30	79.75
5047	NASDAQ	IOSP	Mon, Jun 11, 2018	79.65	80.20	79.15	79.80
5046	NASDAQ	IOSP	Fri, Jun 8, 2018	80.00	80.43	79.40	79.65
5045	NASDAQ	IOSP	Thu, Jun 7, 2018	80.10	81.05	79.35	79.93
5044	NASDAQ	IOSP	Wed, Jun 6, 2018	78.90	79.95	78.50	79.95
5043	NASDAQ	IOSP	Tue, Jun 5, 2018	78.25	79.00	77.70	78.85
5042	NASDAQ	IOSP	Mon, Jun 4, 2018	77.50	78.35	77.05	78.30
5041	NASDAQ	IOSP	Fri, Jun 1, 2018	77.20	77.65	76.65	77.35
5040	NASDAQ	IOSP	Thu, May 31, 2018	77.20	78.03	76.53	76.70
5039	NASDAQ	IOSP	Wed, May 30, 2018	75.90	77.40	75.90	76.95
5038	NASDAQ	IOSP	Tue, May 29, 2018	74.00	76.15	73.78	75.80
5037	NASDAQ	IOSP	Fri, May 25, 2018	75.20	75.47	74.50	74.95
5036	NASDAQ	IOSP	Thu, May 24, 2018	76.00	76.63	75.05	75.40
5035	NASDAQ	IOSP	Wed, May 23, 2018	76.00	76.48	75.30	76.10
5034	NASDAQ	IOSP	Tue, May 22, 2018	76.65	77.65	75.95	76.25
5033	NASDAQ	IOSP	Mon, May 21, 2018	76.15	77.05	75.63	76.80
5032	NASDAQ	IOSP	Fri, May 18, 2018	75.35	76.60	75.35	75.75
5031	NASDAQ	IOSP	Thu, May 17, 2018	74.75	76.50	74.75	75.60
5030	NASDAQ	IOSP	Wed, May 16, 2018	74.25	75.50	74.25	74.95
5029	NASDAQ	IOSP	Tue, May 15, 2018	72.90	74.20	72.62	73.70
5028	NASDAQ	IOSP	Mon, May 14, 2018	75.20	75.80	73.00	73.25
5027	NASDAQ	IOSP	Fri, May 11, 2018	74.75	76.15	73.55	75.25
5026	NASDAQ	IOSP	Thu, May 10, 2018	74.90	75.10	74.20	74.60
5025	NASDAQ	IOSP	Wed, May 9, 2018	79.90	79.90	72.80	74.80
5024	NASDAQ	IOSP	Tue, May 8, 2018	72.80	73.95	72.40	73.25
5023	NASDAQ	IOSP	Mon, May 7, 2018	72.75	73.20	72.13	72.75
5022	NASDAQ	IOSP	Fri, May 4, 2018	71.70	73.48	71.13	72.70
5021	NASDAQ	IOSP	Thu, May 3, 2018	72.30	72.70	71.05	71.95
5020	NASDAQ	IOSP	Wed, May 2, 2018	72.80	74.25	71.80	72.60
5019	NASDAQ	IOSP	Tue, May 1, 2018	72.45	73.00	70.75	72.85
5018	NASDAQ	IOSP	Mon, Apr 30, 2018	74.30	74.48	72.65	72.70
5017	NASDAQ	IOSP	Fri, Apr 27, 2018	74.65	75.00	72.90	74.30
5016	NASDAQ	IOSP	Thu, Apr 26, 2018	73.95	74.95	73.30	74.85
5015	NASDAQ	IOSP	Wed, Apr 25, 2018	74.40	74.70	73.55	73.60
5014	NASDAQ	IOSP	Tue, Apr 24, 2018	75.35	76.40	73.65	74.95
5013	NASDAQ	IOSP	Mon, Apr 23, 2018	73.80	74.45	73.30	73.60
5012	NASDAQ	IOSP	Fri, Apr 20, 2018	72.40	73.85	71.70	73.75
5011	NASDAQ	IOSP	Thu, Apr 19, 2018	73.30	73.40	72.15	72.75
5010	NASDAQ	IOSP	Wed, Apr 18, 2018	73.20	74.35	72.78	73.35
5009	NASDAQ	IOSP	Tue, Apr 17, 2018	73.10	73.58	72.40	72.70
5008	NASDAQ	IOSP	Mon, Apr 16, 2018	71.00	73.20	70.40	72.75
5007	NASDAQ	IOSP	Fri, Apr 13, 2018	70.45	71.10	69.30	70.70
5006	NASDAQ	IOSP	Thu, Apr 12, 2018	70.15	70.50	69.50	70.20
5005	NASDAQ	IOSP	Wed, Apr 11, 2018	69.55	69.95	68.60	69.80
5004	NASDAQ	IOSP	Tue, Apr 10, 2018	68.95	70.40	68.55	69.90
5003	NASDAQ	IOSP	Mon, Apr 9, 2018	68.50	68.90	67.60	68.00
5002	NASDAQ	IOSP	Fri, Apr 6, 2018	69.00	69.65	67.40	67.90
5001	NASDAQ	IOSP	Thu, Apr 5, 2018	68.15	69.45	67.55	69.40
5000	NASDAQ	IOSP	Wed, Apr 4, 2018	67.05	68.10	67.03	67.75
4999	NASDAQ	IOSP	Tue, Apr 3, 2018	66.90	68.03	66.40	67.95
4998	NASDAQ	IOSP	Mon, Apr 2, 2018	68.60	68.95	66.25	66.70
4997	NASDAQ	IOSP	Thu, Mar 29, 2018	68.75	69.40	68.23	68.60
4996	NASDAQ	IOSP	Wed, Mar 28, 2018	68.55	69.00	67.95	68.25
4995	NASDAQ	IOSP	Tue, Mar 27, 2018	70.65	70.90	68.10	68.35
4994	NASDAQ	IOSP	Mon, Mar 26, 2018	69.90	70.68	68.90	70.55
4993	NASDAQ	IOSP	Fri, Mar 23, 2018	69.70	70.40	68.55	69.00
4992	NASDAQ	IOSP	Thu, Mar 22, 2018	71.20	71.85	69.10	69.50
4991	NASDAQ	IOSP	Wed, Mar 21, 2018	70.25	72.58	70.13	71.90
4990	NASDAQ	IOSP	Tue, Mar 20, 2018	70.45	70.60	69.40	70.20
4989	NASDAQ	IOSP	Mon, Mar 19, 2018	70.20	71.35	69.00	70.30
4988	NASDAQ	IOSP	Fri, Mar 16, 2018	69.45	70.65	68.55	70.60
4987	NASDAQ	IOSP	Thu, Mar 15, 2018	70.45	70.78	68.85	69.50
4986	NASDAQ	IOSP	Wed, Mar 14, 2018	70.55	71.10	70.10	70.30
4985	NASDAQ	IOSP	Tue, Mar 13, 2018	71.00	71.38	70.25	70.45
4984	NASDAQ	IOSP	Mon, Mar 12, 2018	69.95	71.58	69.88	70.55
4983	NASDAQ	IOSP	Fri, Mar 9, 2018	69.15	70.25	68.75	69.55
4982	NASDAQ	IOSP	Thu, Mar 8, 2018	68.15	68.70	67.50	68.70
4981	NASDAQ	IOSP	Wed, Mar 7, 2018	67.30	68.65	67.20	68.15
4980	NASDAQ	IOSP	Tue, Mar 6, 2018	66.70	68.75	66.15	68.15
4979	NASDAQ	IOSP	Mon, Mar 5, 2018	63.90	66.65	62.70	66.50
4978	NASDAQ	IOSP	Fri, Mar 2, 2018	63.85	64.55	62.13	64.10
4977	NASDAQ	IOSP	Thu, Mar 1, 2018	64.90	65.60	63.80	64.70
4976	NASDAQ	IOSP	Wed, Feb 28, 2018	68.85	69.00	64.90	64.95
4975	NASDAQ	IOSP	Tue, Feb 27, 2018	68.50	70.60	68.05	68.75
4974	NASDAQ	IOSP	Mon, Feb 26, 2018	68.55	68.65	68.00	68.35
4973	NASDAQ	IOSP	Fri, Feb 23, 2018	68.60	69.10	68.00	68.75
4972	NASDAQ	IOSP	Thu, Feb 22, 2018	67.40	68.70	67.10	68.25
4971	NASDAQ	IOSP	Wed, Feb 21, 2018	66.05	67.83	66.05	67.40
4970	NASDAQ	IOSP	Tue, Feb 20, 2018	67.60	67.80	65.55	65.90
4969	NASDAQ	IOSP	Fri, Feb 16, 2018	68.20	70.00	68.00	68.20
4968	NASDAQ	IOSP	Thu, Feb 15, 2018	67.65	68.95	66.80	68.35
4967	NASDAQ	IOSP	Wed, Feb 14, 2018	70.40	72.35	63.90	67.03
4966	NASDAQ	IOSP	Tue, Feb 13, 2018	66.15	67.25	65.80	67.05
4965	NASDAQ	IOSP	Mon, Feb 12, 2018	65.35	67.00	64.03	66.50
4964	NASDAQ	IOSP	Fri, Feb 9, 2018	64.40	67.05	63.00	65.20
4963	NASDAQ	IOSP	Thu, Feb 8, 2018	66.20	66.20	63.60	63.60
4962	NASDAQ	IOSP	Wed, Feb 7, 2018	65.70	67.23	65.70	66.15
4961	NASDAQ	IOSP	Tue, Feb 6, 2018	64.60	67.40	63.01	65.95
4960	NASDAQ	IOSP	Mon, Feb 5, 2018	68.80	69.38	66.05	66.10
4959	NASDAQ	IOSP	Fri, Feb 2, 2018	70.40	70.85	69.40	69.45
4958	NASDAQ	IOSP	Thu, Feb 1, 2018	71.45	71.45	70.27	70.90
4957	NASDAQ	IOSP	Wed, Jan 31, 2018	73.10	73.10	71.35	71.80
4956	NASDAQ	IOSP	Tue, Jan 30, 2018	72.70	73.40	72.40	72.80
4955	NASDAQ	IOSP	Mon, Jan 29, 2018	73.35	73.35	72.58	73.15
4954	NASDAQ	IOSP	Fri, Jan 26, 2018	74.00	74.00	72.15	73.55
4953	NASDAQ	IOSP	Thu, Jan 25, 2018	73.05	73.95	72.20	73.85
4952	NASDAQ	IOSP	Wed, Jan 24, 2018	73.00	73.40	72.50	72.55
4951	NASDAQ	IOSP	Tue, Jan 23, 2018	72.45	72.95	72.15	72.60
4950	NASDAQ	IOSP	Mon, Jan 22, 2018	73.10	73.10	72.25	72.70
4949	NASDAQ	IOSP	Fri, Jan 19, 2018	71.40	73.70	71.33	73.10
4948	NASDAQ	IOSP	Thu, Jan 18, 2018	72.55	72.70	71.25	71.55
4947	NASDAQ	IOSP	Wed, Jan 17, 2018	72.65	73.48	71.85	72.65
4946	NASDAQ	IOSP	Tue, Jan 16, 2018	73.40	74.20	72.20	72.30
4945	NASDAQ	IOSP	Fri, Jan 12, 2018	73.05	73.90	72.65	73.20
4944	NASDAQ	IOSP	Thu, Jan 11, 2018	71.20	73.20	71.10	73.15
4943	NASDAQ	IOSP	Wed, Jan 10, 2018	71.10	72.45	70.35	71.20
4942	NASDAQ	IOSP	Tue, Jan 9, 2018	71.80	71.80	70.70	71.25
4941	NASDAQ	IOSP	Mon, Jan 8, 2018	71.00	72.40	70.55	71.80
4940	NASDAQ	IOSP	Fri, Jan 5, 2018	71.00	71.30	70.55	71.25
4939	NASDAQ	IOSP	Thu, Jan 4, 2018	71.00	71.55	70.60	70.70
4938	NASDAQ	IOSP	Wed, Jan 3, 2018	71.20	71.40	70.20	70.75
4937	NASDAQ	IOSP	Tue, Jan 2, 2018	70.90	71.35	70.55	71.20
4936	NASDAQ	IOSP	Fri, Dec 29, 2017	70.85	71.35	70.40	70.60
4935	NASDAQ	IOSP	Thu, Dec 28, 2017	70.10	70.95	70.03	70.70
4934	NASDAQ	IOSP	Wed, Dec 27, 2017	70.15	70.35	69.50	70.05
4933	NASDAQ	IOSP	Tue, Dec 26, 2017	69.10	70.20	68.50	70.20
4932	NASDAQ	IOSP	Fri, Dec 22, 2017	69.10	69.60	68.70	69.20
4931	NASDAQ	IOSP	Thu, Dec 21, 2017	68.85	69.25	68.80	69.00
4930	NASDAQ	IOSP	Wed, Dec 20, 2017	69.20	69.70	67.85	68.75
4929	NASDAQ	IOSP	Tue, Dec 19, 2017	69.00	69.80	68.40	68.55
4928	NASDAQ	IOSP	Mon, Dec 18, 2017	69.50	70.35	68.80	68.90
4927	NASDAQ	IOSP	Fri, Dec 15, 2017	67.35	69.65	67.30	68.80
4926	NASDAQ	IOSP	Thu, Dec 14, 2017	68.40	68.80	66.85	67.25
4925	NASDAQ	IOSP	Wed, Dec 13, 2017	68.95	69.75	68.35	68.35
4924	NASDAQ	IOSP	Tue, Dec 12, 2017	69.25	69.90	68.60	68.95
4923	NASDAQ	IOSP	Mon, Dec 11, 2017	68.95	69.75	68.50	69.20
4922	NASDAQ	IOSP	Fri, Dec 8, 2017	70.45	70.45	68.75	68.90
4921	NASDAQ	IOSP	Thu, Dec 7, 2017	69.85	70.95	69.85	70.05
4920	NASDAQ	IOSP	Wed, Dec 6, 2017	70.55	71.00	69.85	70.10
4919	NASDAQ	IOSP	Tue, Dec 5, 2017	71.85	71.85	70.15	70.75
4918	NASDAQ	IOSP	Mon, Dec 4, 2017	71.10	72.40	70.65	71.80
4917	NASDAQ	IOSP	Fri, Dec 1, 2017	71.50	73.50	67.56	70.20
4916	NASDAQ	IOSP	Thu, Nov 30, 2017	73.60	73.60	71.25	71.40
4915	NASDAQ	IOSP	Wed, Nov 29, 2017	72.90	74.30	72.40	72.95
4914	NASDAQ	IOSP	Tue, Nov 28, 2017	71.40	72.65	71.20	72.40
4913	NASDAQ	IOSP	Mon, Nov 27, 2017	71.45	72.20	71.15	71.30
4912	NASDAQ	IOSP	Fri, Nov 24, 2017	71.05	71.70	70.55	71.50
4911	NASDAQ	IOSP	Wed, Nov 22, 2017	70.85	72.00	70.85	71.65
4910	NASDAQ	IOSP	Tue, Nov 21, 2017	70.40	71.65	69.30	70.80
4909	NASDAQ	IOSP	Mon, Nov 20, 2017	69.40	70.50	68.70	69.80
4908	NASDAQ	IOSP	Fri, Nov 17, 2017	68.70	69.95	68.30	69.45
4907	NASDAQ	IOSP	Thu, Nov 16, 2017	68.20	69.60	68.00	69.15
4906	NASDAQ	IOSP	Wed, Nov 15, 2017	67.45	67.95	67.00	67.60
4905	NASDAQ	IOSP	Tue, Nov 14, 2017	69.00	69.00	67.10	68.10
4904	NASDAQ	IOSP	Mon, Nov 13, 2017	65.40	67.70	65.40	67.25
4903	NASDAQ	IOSP	Fri, Nov 10, 2017	67.60	68.70	65.75	65.85
4902	NASDAQ	IOSP	Thu, Nov 9, 2017	68.00	69.13	66.65	67.75
4901	NASDAQ	IOSP	Wed, Nov 8, 2017	64.20	69.95	64.20	69.70
4900	NASDAQ	IOSP	Tue, Nov 7, 2017	63.90	63.90	62.40	62.40
4899	NASDAQ	IOSP	Mon, Nov 6, 2017	63.10	64.05	62.65	63.55
4898	NASDAQ	IOSP	Fri, Nov 3, 2017	63.25	63.25	62.63	63.00
4897	NASDAQ	IOSP	Thu, Nov 2, 2017	62.20	63.33	61.28	63.30
4896	NASDAQ	IOSP	Wed, Nov 1, 2017	62.40	62.95	61.70	62.25
4895	NASDAQ	IOSP	Tue, Oct 31, 2017	60.85	62.30	60.85	61.85
4894	NASDAQ	IOSP	Mon, Oct 30, 2017	61.75	61.80	60.50	60.95
4893	NASDAQ	IOSP	Fri, Oct 27, 2017	61.90	62.10	61.23	62.00
4892	NASDAQ	IOSP	Thu, Oct 26, 2017	62.35	62.65	61.70	61.70
4891	NASDAQ	IOSP	Wed, Oct 25, 2017	62.60	62.60	60.88	62.15
4890	NASDAQ	IOSP	Tue, Oct 24, 2017	63.10	63.45	62.75	62.85
4889	NASDAQ	IOSP	Mon, Oct 23, 2017	63.00	63.25	62.65	63.00
4888	NASDAQ	IOSP	Fri, Oct 20, 2017	63.65	63.65	62.90	63.05
4887	NASDAQ	IOSP	Thu, Oct 19, 2017	62.80	63.30	62.45	63.00
4886	NASDAQ	IOSP	Wed, Oct 18, 2017	63.15	63.45	62.85	63.15
4885	NASDAQ	IOSP	Tue, Oct 17, 2017	63.05	63.40	62.85	63.05
4884	NASDAQ	IOSP	Mon, Oct 16, 2017	63.25	63.65	62.85	63.20
4883	NASDAQ	IOSP	Fri, Oct 13, 2017	63.20	63.75	62.80	62.95
4882	NASDAQ	IOSP	Thu, Oct 12, 2017	63.05	63.78	62.99	63.15
4881	NASDAQ	IOSP	Wed, Oct 11, 2017	62.75	63.43	62.45	63.20
4880	NASDAQ	IOSP	Tue, Oct 10, 2017	62.00	62.75	60.63	62.65
4879	NASDAQ	IOSP	Mon, Oct 9, 2017	62.55	62.75	61.85	61.95
4878	NASDAQ	IOSP	Fri, Oct 6, 2017	62.35	62.75	61.85	62.45
4877	NASDAQ	IOSP	Thu, Oct 5, 2017	62.20	62.60	61.80	62.40
4876	NASDAQ	IOSP	Wed, Oct 4, 2017	63.05	63.05	61.95	61.95
4875	NASDAQ	IOSP	Tue, Oct 3, 2017	62.65	63.10	61.70	63.05
4874	NASDAQ	IOSP	Mon, Oct 2, 2017	61.65	62.30	60.98	62.30
4873	NASDAQ	IOSP	Fri, Sep 29, 2017	61.25	61.80	60.90	61.65
4872	NASDAQ	IOSP	Thu, Sep 28, 2017	61.25	61.50	60.55	61.35
4871	NASDAQ	IOSP	Wed, Sep 27, 2017	59.65	61.45	59.25	61.40
4870	NASDAQ	IOSP	Tue, Sep 26, 2017	58.75	59.80	58.65	59.30
4869	NASDAQ	IOSP	Mon, Sep 25, 2017	58.35	58.65	57.70	58.65
4868	NASDAQ	IOSP	Fri, Sep 22, 2017	57.85	58.75	57.85	58.35
4867	NASDAQ	IOSP	Thu, Sep 21, 2017	58.10	58.60	57.80	57.90
4866	NASDAQ	IOSP	Wed, Sep 20, 2017	57.75	58.80	57.30	58.25
4865	NASDAQ	IOSP	Tue, Sep 19, 2017	57.70	57.93	57.30	57.70
4864	NASDAQ	IOSP	Mon, Sep 18, 2017	57.30	58.00	57.10	57.75
4863	NASDAQ	IOSP	Fri, Sep 15, 2017	56.55	57.10	56.15	57.00
4862	NASDAQ	IOSP	Thu, Sep 14, 2017	56.00	56.70	55.75	56.45
4861	NASDAQ	IOSP	Wed, Sep 13, 2017	55.85	56.45	55.85	56.15
4860	NASDAQ	IOSP	Tue, Sep 12, 2017	56.15	56.75	56.00	56.15
4859	NASDAQ	IOSP	Mon, Sep 11, 2017	55.85	56.55	55.85	56.10
4858	NASDAQ	IOSP	Fri, Sep 8, 2017	54.40	56.20	54.40	55.45
4857	NASDAQ	IOSP	Thu, Sep 7, 2017	55.75	55.75	54.10	54.25
4856	NASDAQ	IOSP	Wed, Sep 6, 2017	55.75	55.75	55.10	55.45
4855	NASDAQ	IOSP	Tue, Sep 5, 2017	55.30	56.15	54.51	55.50
4854	NASDAQ	IOSP	Fri, Sep 1, 2017	55.50	55.63	54.70	55.40
4853	NASDAQ	IOSP	Thu, Aug 31, 2017	55.60	55.85	55.15	55.50
4852	NASDAQ	IOSP	Wed, Aug 30, 2017	55.25	55.45	54.85	55.20
4851	NASDAQ	IOSP	Tue, Aug 29, 2017	54.95	55.50	54.70	55.30
4850	NASDAQ	IOSP	Mon, Aug 28, 2017	56.00	56.30	55.30	55.45
4849	NASDAQ	IOSP	Fri, Aug 25, 2017	56.95	56.95	55.80	55.85
4848	NASDAQ	IOSP	Thu, Aug 24, 2017	56.70	56.85	56.25	56.45
4847	NASDAQ	IOSP	Wed, Aug 23, 2017	56.45	56.75	56.35	56.60
4846	NASDAQ	IOSP	Tue, Aug 22, 2017	57.45	57.55	56.54	56.80
4845	NASDAQ	IOSP	Mon, Aug 21, 2017	55.10	55.20	54.65	54.75
4844	NASDAQ	IOSP	Fri, Aug 18, 2017	55.00	55.35	54.90	55.30
4843	NASDAQ	IOSP	Thu, Aug 17, 2017	56.80	57.25	55.15	55.30
4842	NASDAQ	IOSP	Wed, Aug 16, 2017	57.10	57.25	56.95	57.05
4841	NASDAQ	IOSP	Tue, Aug 15, 2017	57.35	57.73	57.10	57.15
4840	NASDAQ	IOSP	Mon, Aug 14, 2017	57.20	57.40	56.85	57.20
4839	NASDAQ	IOSP	Fri, Aug 11, 2017	58.20	58.45	56.70	56.75
4838	NASDAQ	IOSP	Thu, Aug 10, 2017	59.50	59.65	56.65	57.75
4837	NASDAQ	IOSP	Wed, Aug 9, 2017	63.75	63.75	58.50	59.65
4836	NASDAQ	IOSP	Tue, Aug 8, 2017	62.45	63.45	62.35	63.40
4835	NASDAQ	IOSP	Mon, Aug 7, 2017	62.70	63.68	62.03	62.60
4834	NASDAQ	IOSP	Fri, Aug 4, 2017	62.35	62.95	62.35	62.65
4833	NASDAQ	IOSP	Thu, Aug 3, 2017	63.20	63.73	62.10	62.18
4832	NASDAQ	IOSP	Wed, Aug 2, 2017	63.60	63.65	62.90	63.10
4831	NASDAQ	IOSP	Tue, Aug 1, 2017	62.70	63.75	62.15	63.70
4830	NASDAQ	IOSP	Mon, Jul 31, 2017	62.60	62.95	62.20	62.40
4829	NASDAQ	IOSP	Fri, Jul 28, 2017	62.40	63.25	62.30	62.50
4828	NASDAQ	IOSP	Thu, Jul 27, 2017	63.55	63.60	62.35	62.55
4827	NASDAQ	IOSP	Wed, Jul 26, 2017	64.30	64.35	63.15	63.20
4826	NASDAQ	IOSP	Tue, Jul 25, 2017	64.85	64.95	64.10	64.25
4825	NASDAQ	IOSP	Mon, Jul 24, 2017	64.05	65.05	63.70	64.40
4824	NASDAQ	IOSP	Fri, Jul 21, 2017	65.20	65.20	63.80	64.20
4823	NASDAQ	IOSP	Thu, Jul 20, 2017	65.15	65.45	64.70	64.95
4822	NASDAQ	IOSP	Wed, Jul 19, 2017	64.55	65.35	64.45	65.35
4821	NASDAQ	IOSP	Tue, Jul 18, 2017	64.25	64.73	63.95	64.45
4820	NASDAQ	IOSP	Mon, Jul 17, 2017	64.30	65.20	64.20	64.40
4819	NASDAQ	IOSP	Fri, Jul 14, 2017	65.00	65.30	64.35	64.70
4818	NASDAQ	IOSP	Thu, Jul 13, 2017	65.55	65.55	64.20	64.78
4817	NASDAQ	IOSP	Wed, Jul 12, 2017	64.85	66.45	64.85	65.50
4816	NASDAQ	IOSP	Tue, Jul 11, 2017	64.75	65.20	63.80	64.30
4815	NASDAQ	IOSP	Mon, Jul 10, 2017	65.05	65.65	64.70	64.80
4814	NASDAQ	IOSP	Fri, Jul 7, 2017	64.75	65.38	64.15	65.35
4813	NASDAQ	IOSP	Thu, Jul 6, 2017	64.60	65.35	64.25	64.50
4812	NASDAQ	IOSP	Wed, Jul 5, 2017	66.20	66.20	64.25	65.25
4811	NASDAQ	IOSP	Mon, Jul 3, 2017	65.85	66.40	65.20	66.10
4810	NASDAQ	IOSP	Fri, Jun 30, 2017	64.95	66.10	64.20	65.55
4809	NASDAQ	IOSP	Thu, Jun 29, 2017	65.40	65.90	63.95	64.80
4808	NASDAQ	IOSP	Wed, Jun 28, 2017	63.85	65.45	63.75	65.40
4807	NASDAQ	IOSP	Tue, Jun 27, 2017	63.15	63.65	62.75	63.45
4806	NASDAQ	IOSP	Mon, Jun 26, 2017	63.45	64.13	62.85	63.15
4805	NASDAQ	IOSP	Fri, Jun 23, 2017	63.25	64.15	63.20	63.25
4804	NASDAQ	IOSP	Thu, Jun 22, 2017	62.95	63.50	62.75	63.30
4803	NASDAQ	IOSP	Wed, Jun 21, 2017	64.85	64.85	62.85	62.90
4802	NASDAQ	IOSP	Tue, Jun 20, 2017	65.65	65.65	64.25	64.75
4801	NASDAQ	IOSP	Mon, Jun 19, 2017	66.50	67.35	65.50	65.90
4800	NASDAQ	IOSP	Fri, Jun 16, 2017	66.80	67.10	66.05	66.15
4799	NASDAQ	IOSP	Thu, Jun 15, 2017	66.95	68.15	66.90	67.05
4798	NASDAQ	IOSP	Wed, Jun 14, 2017	68.95	68.95	67.35	67.70
4797	NASDAQ	IOSP	Tue, Jun 13, 2017	69.10	69.60	68.15	68.95
4796	NASDAQ	IOSP	Mon, Jun 12, 2017	69.25	70.15	68.31	69.00
4795	NASDAQ	IOSP	Fri, Jun 9, 2017	67.35	69.70	67.35	69.15
4794	NASDAQ	IOSP	Thu, Jun 8, 2017	66.05	67.90	65.71	67.30
4793	NASDAQ	IOSP	Wed, Jun 7, 2017	65.70	66.25	65.50	66.25
4792	NASDAQ	IOSP	Tue, Jun 6, 2017	65.25	65.95	64.80	65.55
4791	NASDAQ	IOSP	Mon, Jun 5, 2017	66.45	66.65	65.41	65.75
4790	NASDAQ	IOSP	Fri, Jun 2, 2017	64.75	66.90	64.55	66.55
4789	NASDAQ	IOSP	Thu, Jun 1, 2017	64.20	64.75	63.75	64.60
4788	NASDAQ	IOSP	Wed, May 31, 2017	64.40	64.45	62.60	64.00
4787	NASDAQ	IOSP	Tue, May 30, 2017	64.25	64.73	63.95	64.15
4786	NASDAQ	IOSP	Fri, May 26, 2017	64.15	64.65	63.70	64.25
4785	NASDAQ	IOSP	Thu, May 25, 2017	64.25	64.55	63.68	64.25
4784	NASDAQ	IOSP	Wed, May 24, 2017	63.70	64.20	63.30	63.95
4783	NASDAQ	IOSP	Tue, May 23, 2017	63.10	64.15	62.35	63.70
4782	NASDAQ	IOSP	Mon, May 22, 2017	61.90	62.95	61.70	62.80
4781	NASDAQ	IOSP	Fri, May 19, 2017	61.35	62.50	61.35	61.80
4780	NASDAQ	IOSP	Thu, May 18, 2017	60.85	61.90	60.85	61.30
4779	NASDAQ	IOSP	Wed, May 17, 2017	62.65	62.77	61.45	61.45
4778	NASDAQ	IOSP	Tue, May 16, 2017	63.80	64.06	63.40	63.75
4777	NASDAQ	IOSP	Mon, May 15, 2017	63.40	64.35	63.40	63.60
4776	NASDAQ	IOSP	Fri, May 12, 2017	63.05	63.95	62.10	63.15
4775	NASDAQ	IOSP	Thu, May 11, 2017	64.05	64.05	62.64	63.30
4774	NASDAQ	IOSP	Wed, May 10, 2017	66.35	67.25	63.70	64.30
4773	NASDAQ	IOSP	Tue, May 9, 2017	64.80	65.35	64.20	65.10
4772	NASDAQ	IOSP	Mon, May 8, 2017	64.90	65.25	64.45	64.85
4771	NASDAQ	IOSP	Fri, May 5, 2017	65.25	65.35	64.75	65.15
4770	NASDAQ	IOSP	Thu, May 4, 2017	65.40	65.45	64.53	65.05
4769	NASDAQ	IOSP	Wed, May 3, 2017	65.40	65.70	64.85	65.10
4768	NASDAQ	IOSP	Tue, May 2, 2017	66.00	66.20	65.25	65.80
4767	NASDAQ	IOSP	Mon, May 1, 2017	66.25	66.65	65.50	65.85
4766	NASDAQ	IOSP	Fri, Apr 28, 2017	66.70	66.70	65.70	66.00
4765	NASDAQ	IOSP	Thu, Apr 27, 2017	66.15	66.93	65.75	66.55
4764	NASDAQ	IOSP	Wed, Apr 26, 2017	65.30	66.65	65.30	66.05
4763	NASDAQ	IOSP	Tue, Apr 25, 2017	64.05	66.00	64.05	65.55
4762	NASDAQ	IOSP	Mon, Apr 24, 2017	62.95	63.90	62.95	63.60
4761	NASDAQ	IOSP	Fri, Apr 21, 2017	62.30	62.30	61.58	62.00
4760	NASDAQ	IOSP	Thu, Apr 20, 2017	61.45	62.40	60.95	62.35
4759	NASDAQ	IOSP	Wed, Apr 19, 2017	61.00	61.65	60.70	60.95
4758	NASDAQ	IOSP	Tue, Apr 18, 2017	60.75	61.00	60.25	60.80
4757	NASDAQ	IOSP	Mon, Apr 17, 2017	60.70	61.20	60.08	61.15
4756	NASDAQ	IOSP	Thu, Apr 13, 2017	61.40	62.05	60.25	60.40
4755	NASDAQ	IOSP	Wed, Apr 12, 2017	62.85	62.85	60.90	61.50
4754	NASDAQ	IOSP	Tue, Apr 11, 2017	61.70	63.15	61.70	62.90
4753	NASDAQ	IOSP	Mon, Apr 10, 2017	61.95	62.45	61.45	62.05
4752	NASDAQ	IOSP	Fri, Apr 7, 2017	61.60	62.20	61.30	62.20
4751	NASDAQ	IOSP	Thu, Apr 6, 2017	61.25	62.00	60.85	61.80
4750	NASDAQ	IOSP	Wed, Apr 5, 2017	62.90	63.45	61.00	61.30
4749	NASDAQ	IOSP	Tue, Apr 4, 2017	63.10	64.05	62.25	62.55
4748	NASDAQ	IOSP	Mon, Apr 3, 2017	64.80	64.90	62.15	63.25
4747	NASDAQ	IOSP	Fri, Mar 31, 2017	63.80	64.90	63.50	64.75
4746	NASDAQ	IOSP	Thu, Mar 30, 2017	62.70	64.05	62.70	63.80
4745	NASDAQ	IOSP	Wed, Mar 29, 2017	62.45	62.70	62.20	62.70
4744	NASDAQ	IOSP	Tue, Mar 28, 2017	61.65	62.80	61.25	62.60
4743	NASDAQ	IOSP	Mon, Mar 27, 2017	61.10	62.45	61.00	61.95
4742	NASDAQ	IOSP	Fri, Mar 24, 2017	62.20	62.40	61.75	61.90
4741	NASDAQ	IOSP	Thu, Mar 23, 2017	61.60	62.45	61.20	62.10
4740	NASDAQ	IOSP	Wed, Mar 22, 2017	61.65	61.95	61.25	61.70
4739	NASDAQ	IOSP	Tue, Mar 21, 2017	62.80	63.25	61.28	61.70
4738	NASDAQ	IOSP	Mon, Mar 20, 2017	63.05	63.30	62.25	62.55
4737	NASDAQ	IOSP	Fri, Mar 17, 2017	62.35	63.55	62.10	63.30
4736	NASDAQ	IOSP	Thu, Mar 16, 2017	63.45	63.65	62.35	62.50
4735	NASDAQ	IOSP	Wed, Mar 15, 2017	62.05	63.55	58.06	63.20
4734	NASDAQ	IOSP	Tue, Mar 14, 2017	61.95	62.45	61.55	61.85
4733	NASDAQ	IOSP	Mon, Mar 13, 2017	62.25	62.80	62.15	62.55
4732	NASDAQ	IOSP	Fri, Mar 10, 2017	61.45	63.00	61.45	62.25
4731	NASDAQ	IOSP	Thu, Mar 9, 2017	61.60	61.90	60.75	61.00
4730	NASDAQ	IOSP	Wed, Mar 8, 2017	63.70	63.70	61.60	61.65
4729	NASDAQ	IOSP	Tue, Mar 7, 2017	64.20	64.55	63.50	63.50
4728	NASDAQ	IOSP	Mon, Mar 6, 2017	65.40	65.40	64.15	64.40
4727	NASDAQ	IOSP	Fri, Mar 3, 2017	66.55	66.55	65.60	65.95
4726	NASDAQ	IOSP	Thu, Mar 2, 2017	67.75	68.60	66.05	66.65
4725	NASDAQ	IOSP	Wed, Mar 1, 2017	66.30	67.95	66.30	67.80
4724	NASDAQ	IOSP	Tue, Feb 28, 2017	67.25	67.90	65.15	65.30
4723	NASDAQ	IOSP	Mon, Feb 27, 2017	67.50	68.55	67.01	67.60
4722	NASDAQ	IOSP	Fri, Feb 24, 2017	67.40	68.50	67.40	67.80
4721	NASDAQ	IOSP	Thu, Feb 23, 2017	68.50	68.50	67.50	68.00
4720	NASDAQ	IOSP	Wed, Feb 22, 2017	69.40	70.13	68.10	68.45
4719	NASDAQ	IOSP	Tue, Feb 21, 2017	70.80	71.45	69.05	69.90
4718	NASDAQ	IOSP	Fri, Feb 17, 2017	69.50	71.45	69.10	70.60
4717	NASDAQ	IOSP	Thu, Feb 16, 2017	73.00	73.40	69.50	69.85
4716	NASDAQ	IOSP	Wed, Feb 15, 2017	72.95	74.75	71.00	73.25
4715	NASDAQ	IOSP	Tue, Feb 14, 2017	68.95	70.20	68.05	70.05
4714	NASDAQ	IOSP	Mon, Feb 13, 2017	69.70	69.90	68.95	69.30
4713	NASDAQ	IOSP	Fri, Feb 10, 2017	68.85	69.85	68.10	69.40
4712	NASDAQ	IOSP	Thu, Feb 9, 2017	67.50	68.70	67.50	68.50
4711	NASDAQ	IOSP	Wed, Feb 8, 2017	68.55	68.55	67.25	67.45
4710	NASDAQ	IOSP	Tue, Feb 7, 2017	69.45	69.65	68.40	68.75
4709	NASDAQ	IOSP	Mon, Feb 6, 2017	70.25	70.25	69.25	69.35
4708	NASDAQ	IOSP	Fri, Feb 3, 2017	69.55	71.00	69.05	70.50
4707	NASDAQ	IOSP	Thu, Feb 2, 2017	70.80	70.80	68.80	68.95
4706	NASDAQ	IOSP	Wed, Feb 1, 2017	72.00	72.05	70.70	70.85
4705	NASDAQ	IOSP	Tue, Jan 31, 2017	71.40	71.65	69.90	71.35
4704	NASDAQ	IOSP	Mon, Jan 30, 2017	71.60	72.00	70.58	71.50
4703	NASDAQ	IOSP	Fri, Jan 27, 2017	71.90	72.45	71.45	72.20
4702	NASDAQ	IOSP	Thu, Jan 26, 2017	71.60	72.15	71.25	72.05
4701	NASDAQ	IOSP	Wed, Jan 25, 2017	70.70	71.98	70.25	71.85
4700	NASDAQ	IOSP	Tue, Jan 24, 2017	68.15	70.30	68.15	70.15
4699	NASDAQ	IOSP	Mon, Jan 23, 2017	67.50	68.15	67.50	68.05
4698	NASDAQ	IOSP	Fri, Jan 20, 2017	66.65	67.70	66.65	67.65
4697	NASDAQ	IOSP	Thu, Jan 19, 2017	67.95	68.10	66.05	66.55
4696	NASDAQ	IOSP	Wed, Jan 18, 2017	66.95	68.05	65.95	68.00
4695	NASDAQ	IOSP	Tue, Jan 17, 2017	67.25	67.25	65.85	66.63
4694	NASDAQ	IOSP	Fri, Jan 13, 2017	67.80	68.90	67.25	67.55
4693	NASDAQ	IOSP	Thu, Jan 12, 2017	68.70	68.70	67.35	67.70
4692	NASDAQ	IOSP	Wed, Jan 11, 2017	68.10	69.10	68.10	68.80
4691	NASDAQ	IOSP	Tue, Jan 10, 2017	67.65	68.55	66.80	68.00
4690	NASDAQ	IOSP	Mon, Jan 9, 2017	68.35	69.20	67.50	67.70
4689	NASDAQ	IOSP	Fri, Jan 6, 2017	69.45	69.45	68.35	68.45
4688	NASDAQ	IOSP	Thu, Jan 5, 2017	70.00	70.75	68.80	69.10
4687	NASDAQ	IOSP	Wed, Jan 4, 2017	69.80	70.70	69.15	70.25
4686	NASDAQ	IOSP	Tue, Jan 3, 2017	69.20	71.95	68.60	69.50
4685	NASDAQ	IOSP	Fri, Dec 30, 2016	69.90	69.90	68.45	68.50
4684	NASDAQ	IOSP	Thu, Dec 29, 2016	70.00	70.65	68.70	69.70
4683	NASDAQ	IOSP	Wed, Dec 28, 2016	70.85	71.00	69.50	69.90
4682	NASDAQ	IOSP	Tue, Dec 27, 2016	70.50	70.80	69.70	70.70
4681	NASDAQ	IOSP	Fri, Dec 23, 2016	70.10	70.95	70.00	70.25
4680	NASDAQ	IOSP	Thu, Dec 22, 2016	70.50	70.75	69.40	70.20
4679	NASDAQ	IOSP	Wed, Dec 21, 2016	70.65	71.10	69.65	70.30
4678	NASDAQ	IOSP	Tue, Dec 20, 2016	70.00	70.95	69.70	70.45
4677	NASDAQ	IOSP	Mon, Dec 19, 2016	70.00	70.25	68.60	69.80
4676	NASDAQ	IOSP	Fri, Dec 16, 2016	72.20	72.85	70.68	71.05
4675	NASDAQ	IOSP	Thu, Dec 15, 2016	71.90	72.85	71.50	71.90
4674	NASDAQ	IOSP	Wed, Dec 14, 2016	72.30	72.90	71.66	72.05
4673	NASDAQ	IOSP	Tue, Dec 13, 2016	73.15	73.40	71.33	72.35
4672	NASDAQ	IOSP	Mon, Dec 12, 2016	72.40	73.05	71.55	72.75
4671	NASDAQ	IOSP	Fri, Dec 9, 2016	72.20	72.45	71.50	72.25
4670	NASDAQ	IOSP	Thu, Dec 8, 2016	68.95	72.25	68.90	72.10
4669	NASDAQ	IOSP	Wed, Dec 7, 2016	68.00	68.90	67.10	68.90
4668	NASDAQ	IOSP	Tue, Dec 6, 2016	68.35	68.85	67.75	68.10
4667	NASDAQ	IOSP	Mon, Dec 5, 2016	66.00	68.55	65.85	68.40
4666	NASDAQ	IOSP	Fri, Dec 2, 2016	65.85	66.15	64.00	65.55
4665	NASDAQ	IOSP	Thu, Dec 1, 2016	66.10	66.60	65.30	65.75
4664	NASDAQ	IOSP	Wed, Nov 30, 2016	66.05	66.30	61.56	65.70
4663	NASDAQ	IOSP	Tue, Nov 29, 2016	66.25	66.25	65.20	65.45
4662	NASDAQ	IOSP	Mon, Nov 28, 2016	66.35	66.60	65.75	66.10
4661	NASDAQ	IOSP	Fri, Nov 25, 2016	66.70	66.75	66.30	66.60
4660	NASDAQ	IOSP	Wed, Nov 23, 2016	66.70	67.25	64.45	66.85
4659	NASDAQ	IOSP	Tue, Nov 22, 2016	66.05	66.65	64.50	66.65
4658	NASDAQ	IOSP	Mon, Nov 21, 2016	64.45	65.75	63.75	65.70
4657	NASDAQ	IOSP	Fri, Nov 18, 2016	62.90	64.50	62.35	64.35
4656	NASDAQ	IOSP	Thu, Nov 17, 2016	61.90	63.10	59.80	62.65
4655	NASDAQ	IOSP	Wed, Nov 16, 2016	61.40	61.75	59.25	61.65
4654	NASDAQ	IOSP	Tue, Nov 15, 2016	60.55	61.65	60.28	61.45
4653	NASDAQ	IOSP	Mon, Nov 14, 2016	60.70	61.55	59.85	61.00
4652	NASDAQ	IOSP	Fri, Nov 11, 2016	59.40	61.00	58.70	59.85
4651	NASDAQ	IOSP	Thu, Nov 10, 2016	61.00	61.00	58.55	59.05
4650	NASDAQ	IOSP	Wed, Nov 9, 2016	56.25	60.25	54.45	60.25
4649	NASDAQ	IOSP	Tue, Nov 8, 2016	56.05	57.20	55.95	56.50
4648	NASDAQ	IOSP	Mon, Nov 7, 2016	56.45	56.80	55.40	56.20
4647	NASDAQ	IOSP	Fri, Nov 4, 2016	55.80	56.05	55.05	55.60
4646	NASDAQ	IOSP	Thu, Nov 3, 2016	59.45	59.45	55.30	55.50
4645	NASDAQ	IOSP	Wed, Nov 2, 2016	59.50	59.55	58.03	58.05
4644	NASDAQ	IOSP	Tue, Nov 1, 2016	60.45	60.80	59.35	59.50
4643	NASDAQ	IOSP	Mon, Oct 31, 2016	59.95	60.58	59.43	60.25
4642	NASDAQ	IOSP	Fri, Oct 28, 2016	60.20	60.75	59.75	59.90
4641	NASDAQ	IOSP	Thu, Oct 27, 2016	60.90	60.90	59.95	60.25
4640	NASDAQ	IOSP	Wed, Oct 26, 2016	61.25	61.65	60.40	60.45
4639	NASDAQ	IOSP	Tue, Oct 25, 2016	62.35	62.85	61.25	61.45
4638	NASDAQ	IOSP	Mon, Oct 24, 2016	61.95	62.80	61.60	62.55
4637	NASDAQ	IOSP	Fri, Oct 21, 2016	61.05	62.05	60.75	61.45
4636	NASDAQ	IOSP	Thu, Oct 20, 2016	62.61	62.61	61.31	61.54
4635	NASDAQ	IOSP	Wed, Oct 19, 2016	62.24	62.84	61.68	62.48
4634	NASDAQ	IOSP	Tue, Oct 18, 2016	61.74	62.33	61.57	61.96
4633	NASDAQ	IOSP	Mon, Oct 17, 2016	61.52	62.14	61.31	61.33
4632	NASDAQ	IOSP	Fri, Oct 14, 2016	61.81	62.06	61.37	61.39
4631	NASDAQ	IOSP	Thu, Oct 13, 2016	61.76	62.27	61.15	61.32
4630	NASDAQ	IOSP	Wed, Oct 12, 2016	61.87	62.19	60.91	61.91
4629	NASDAQ	IOSP	Tue, Oct 11, 2016	62.25	62.25	61.05	61.60
4628	NASDAQ	IOSP	Mon, Oct 10, 2016	61.38	62.33	60.08	62.30
4627	NASDAQ	IOSP	Fri, Oct 7, 2016	62.11	62.11	60.91	60.92
4626	NASDAQ	IOSP	Thu, Oct 6, 2016	60.93	62.05	60.53	61.96
4625	NASDAQ	IOSP	Wed, Oct 5, 2016	60.62	61.24	60.01	60.90
4624	NASDAQ	IOSP	Tue, Oct 4, 2016	60.54	60.88	59.96	60.24
4623	NASDAQ	IOSP	Mon, Oct 3, 2016	60.95	61.39	59.54	60.54
4622	NASDAQ	IOSP	Fri, Sep 30, 2016	59.43	61.12	59.33	60.81
4621	NASDAQ	IOSP	Thu, Sep 29, 2016	59.64	59.83	56.02	59.14
4620	NASDAQ	IOSP	Wed, Sep 28, 2016	59.61	60.00	58.86	59.60
4619	NASDAQ	IOSP	Tue, Sep 27, 2016	58.79	59.99	58.78	59.60
4618	NASDAQ	IOSP	Mon, Sep 26, 2016	58.90	59.75	58.22	58.52
4617	NASDAQ	IOSP	Fri, Sep 23, 2016	59.50	59.56	58.36	59.01
4616	NASDAQ	IOSP	Thu, Sep 22, 2016	59.88	60.00	59.27	59.77
4615	NASDAQ	IOSP	Wed, Sep 21, 2016	59.22	60.04	56.18	59.39
4614	NASDAQ	IOSP	Tue, Sep 20, 2016	59.24	59.37	58.84	59.13
4613	NASDAQ	IOSP	Mon, Sep 19, 2016	59.59	59.59	58.84	59.07
4612	NASDAQ	IOSP	Fri, Sep 16, 2016	58.75	59.56	58.49	59.16
4611	NASDAQ	IOSP	Thu, Sep 15, 2016	58.40	58.72	57.28	58.50
4610	NASDAQ	IOSP	Wed, Sep 14, 2016	58.17	58.66	57.81	58.21
4609	NASDAQ	IOSP	Tue, Sep 13, 2016	57.03	58.24	56.90	58.08
4608	NASDAQ	IOSP	Mon, Sep 12, 2016	57.00	57.92	57.00	57.35
4607	NASDAQ	IOSP	Fri, Sep 9, 2016	58.93	58.93	57.02	57.06
4606	NASDAQ	IOSP	Thu, Sep 8, 2016	59.64	60.00	59.13	59.33
4605	NASDAQ	IOSP	Wed, Sep 7, 2016	59.33	59.97	58.84	59.89
4604	NASDAQ	IOSP	Tue, Sep 6, 2016	59.94	60.06	58.76	59.30
4603	NASDAQ	IOSP	Fri, Sep 2, 2016	59.15	59.97	59.06	59.96
4602	NASDAQ	IOSP	Thu, Sep 1, 2016	59.27	59.57	58.55	59.02
4601	NASDAQ	IOSP	Wed, Aug 31, 2016	59.88	59.89	58.94	59.28
4600	NASDAQ	IOSP	Tue, Aug 30, 2016	59.71	60.00	59.67	59.87
4599	NASDAQ	IOSP	Mon, Aug 29, 2016	59.10	59.85	58.90	59.67
4598	NASDAQ	IOSP	Fri, Aug 26, 2016	60.47	60.84	58.81	59.05
4597	NASDAQ	IOSP	Thu, Aug 25, 2016	60.17	60.66	59.11	60.44
4596	NASDAQ	IOSP	Wed, Aug 24, 2016	60.76	61.00	59.97	60.05
4595	NASDAQ	IOSP	Tue, Aug 23, 2016	60.25	60.93	60.25	60.53
4594	NASDAQ	IOSP	Mon, Aug 22, 2016	59.66	60.15	59.34	60.06
4593	NASDAQ	IOSP	Fri, Aug 19, 2016	59.36	59.93	59.22	59.87
4592	NASDAQ	IOSP	Thu, Aug 18, 2016	59.32	59.71	59.00	59.59
4591	NASDAQ	IOSP	Wed, Aug 17, 2016	59.44	59.53	59.03	59.10
4590	NASDAQ	IOSP	Tue, Aug 16, 2016	59.48	59.99	58.56	59.25
4589	NASDAQ	IOSP	Mon, Aug 15, 2016	59.28	59.43	58.92	59.35
4588	NASDAQ	IOSP	Fri, Aug 12, 2016	59.57	60.51	58.85	58.93
4587	NASDAQ	IOSP	Thu, Aug 11, 2016	59.90	59.90	59.21	59.44
4586	NASDAQ	IOSP	Wed, Aug 10, 2016	59.14	60.31	59.02	59.97
4585	NASDAQ	IOSP	Tue, Aug 9, 2016	59.00	59.15	58.68	58.90
4584	NASDAQ	IOSP	Mon, Aug 8, 2016	58.98	59.09	58.65	58.91
4583	NASDAQ	IOSP	Fri, Aug 5, 2016	57.78	59.93	57.78	58.52
4582	NASDAQ	IOSP	Thu, Aug 4, 2016	54.46	58.20	54.46	57.73
4581	NASDAQ	IOSP	Wed, Aug 3, 2016	50.49	55.63	49.54	53.73
4580	NASDAQ	IOSP	Tue, Aug 2, 2016	50.20	50.85	49.64	50.44
4579	NASDAQ	IOSP	Mon, Aug 1, 2016	50.17	50.51	49.99	50.42
4578	NASDAQ	IOSP	Fri, Jul 29, 2016	50.11	50.50	49.72	50.27
4577	NASDAQ	IOSP	Thu, Jul 28, 2016	50.09	50.52	49.98	50.24
4576	NASDAQ	IOSP	Wed, Jul 27, 2016	50.34	50.67	49.93	50.36
4575	NASDAQ	IOSP	Tue, Jul 26, 2016	49.94	51.88	49.88	50.43
4574	NASDAQ	IOSP	Mon, Jul 25, 2016	50.14	50.14	49.71	49.95
4573	NASDAQ	IOSP	Fri, Jul 22, 2016	49.98	50.50	49.71	50.15
4572	NASDAQ	IOSP	Thu, Jul 21, 2016	49.93	50.33	49.43	50.02
4571	NASDAQ	IOSP	Wed, Jul 20, 2016	50.44	50.45	49.32	49.90
4570	NASDAQ	IOSP	Tue, Jul 19, 2016	49.80	50.31	49.56	50.31
4569	NASDAQ	IOSP	Mon, Jul 18, 2016	50.00	50.45	49.51	49.81
4568	NASDAQ	IOSP	Fri, Jul 15, 2016	50.30	51.02	50.06	50.38
4567	NASDAQ	IOSP	Thu, Jul 14, 2016	49.36	50.04	49.36	49.92
4566	NASDAQ	IOSP	Wed, Jul 13, 2016	49.21	49.50	48.78	49.15
4565	NASDAQ	IOSP	Tue, Jul 12, 2016	47.95	49.14	47.95	48.87
4564	NASDAQ	IOSP	Mon, Jul 11, 2016	47.36	47.68	46.81	47.67
4563	NASDAQ	IOSP	Fri, Jul 8, 2016	46.42	47.69	46.18	47.24
4562	NASDAQ	IOSP	Thu, Jul 7, 2016	45.60	46.35	45.40	46.02
4561	NASDAQ	IOSP	Wed, Jul 6, 2016	45.56	45.95	45.27	45.61
4560	NASDAQ	IOSP	Tue, Jul 5, 2016	46.02	46.27	45.06	45.59
4559	NASDAQ	IOSP	Fri, Jul 1, 2016	46.01	46.87	46.01	46.29
4558	NASDAQ	IOSP	Thu, Jun 30, 2016	45.23	46.67	44.95	45.99
4557	NASDAQ	IOSP	Wed, Jun 29, 2016	44.99	45.07	44.50	44.86
4556	NASDAQ	IOSP	Tue, Jun 28, 2016	44.76	45.04	44.06	44.46
4555	NASDAQ	IOSP	Mon, Jun 27, 2016	45.07	48.45	44.08	44.36
4554	NASDAQ	IOSP	Fri, Jun 24, 2016	47.02	47.35	45.61	45.68
4553	NASDAQ	IOSP	Thu, Jun 23, 2016	47.96	48.70	47.96	48.45
4552	NASDAQ	IOSP	Wed, Jun 22, 2016	47.77	47.94	47.41	47.48
4551	NASDAQ	IOSP	Tue, Jun 21, 2016	48.05	48.12	47.38	47.57
4550	NASDAQ	IOSP	Mon, Jun 20, 2016	47.94	48.67	47.84	47.93
4549	NASDAQ	IOSP	Fri, Jun 17, 2016	47.29	47.65	46.93	47.37
4548	NASDAQ	IOSP	Thu, Jun 16, 2016	47.29	47.29	46.49	47.13
4547	NASDAQ	IOSP	Wed, Jun 15, 2016	47.69	48.11	47.26	47.44
4546	NASDAQ	IOSP	Tue, Jun 14, 2016	48.04	48.06	47.29	47.65
4545	NASDAQ	IOSP	Mon, Jun 13, 2016	49.29	49.29	47.95	48.10
4544	NASDAQ	IOSP	Fri, Jun 10, 2016	49.16	49.44	48.63	49.33
4543	NASDAQ	IOSP	Thu, Jun 9, 2016	50.08	50.51	49.42	49.52
4542	NASDAQ	IOSP	Wed, Jun 8, 2016	49.72	50.44	49.67	50.21
4541	NASDAQ	IOSP	Tue, Jun 7, 2016	49.07	49.81	49.00	49.60
4540	NASDAQ	IOSP	Mon, Jun 6, 2016	48.86	49.29	48.70	49.28
4539	NASDAQ	IOSP	Fri, Jun 3, 2016	49.73	49.74	48.57	48.83
4538	NASDAQ	IOSP	Thu, Jun 2, 2016	48.73	49.64	47.85	49.59
4537	NASDAQ	IOSP	Wed, Jun 1, 2016	48.27	48.95	47.98	48.95
4536	NASDAQ	IOSP	Tue, May 31, 2016	49.31	49.32	48.35	48.56
4535	NASDAQ	IOSP	Fri, May 27, 2016	48.73	49.36	48.51	49.07
4534	NASDAQ	IOSP	Thu, May 26, 2016	48.82	49.06	48.48	48.81
4533	NASDAQ	IOSP	Wed, May 25, 2016	48.64	49.38	48.15	48.72
4532	NASDAQ	IOSP	Tue, May 24, 2016	48.22	48.81	48.10	48.54
4531	NASDAQ	IOSP	Mon, May 23, 2016	47.69	48.42	47.23	47.95
4530	NASDAQ	IOSP	Fri, May 20, 2016	47.34	47.88	47.15	47.82
4529	NASDAQ	IOSP	Thu, May 19, 2016	47.23	47.52	46.95	47.22
4528	NASDAQ	IOSP	Wed, May 18, 2016	47.11	47.71	46.38	47.55
4527	NASDAQ	IOSP	Tue, May 17, 2016	47.83	48.63	47.00	47.35
4526	NASDAQ	IOSP	Mon, May 16, 2016	47.30	48.25	47.30	48.01
4525	NASDAQ	IOSP	Fri, May 13, 2016	47.46	47.68	47.11	47.28
4524	NASDAQ	IOSP	Thu, May 12, 2016	48.37	48.54	47.19	47.71
4523	NASDAQ	IOSP	Wed, May 11, 2016	48.44	48.75	46.36	48.36
4522	NASDAQ	IOSP	Tue, May 10, 2016	48.05	48.88	47.80	48.45
4521	NASDAQ	IOSP	Mon, May 9, 2016	48.44	49.48	47.80	47.80
4520	NASDAQ	IOSP	Fri, May 6, 2016	48.62	49.15	48.22	48.52
4519	NASDAQ	IOSP	Thu, May 5, 2016	48.58	49.49	48.58	48.88
4518	NASDAQ	IOSP	Wed, May 4, 2016	50.48	50.48	46.75	48.28
4517	NASDAQ	IOSP	Tue, May 3, 2016	47.99	48.99	47.52	48.00
4516	NASDAQ	IOSP	Mon, May 2, 2016	48.50	48.50	47.99	48.25
4515	NASDAQ	IOSP	Fri, Apr 29, 2016	48.45	48.49	47.79	48.36
4514	NASDAQ	IOSP	Thu, Apr 28, 2016	48.41	48.86	48.03	48.48
4513	NASDAQ	IOSP	Wed, Apr 27, 2016	48.62	49.22	48.13	48.39
4512	NASDAQ	IOSP	Tue, Apr 26, 2016	48.17	48.81	47.43	48.77
4511	NASDAQ	IOSP	Mon, Apr 25, 2016	48.70	48.83	47.88	48.03
4510	NASDAQ	IOSP	Fri, Apr 22, 2016	48.33	48.96	48.14	48.91
4509	NASDAQ	IOSP	Thu, Apr 21, 2016	48.30	48.54	48.07	48.35
4508	NASDAQ	IOSP	Wed, Apr 20, 2016	47.50	48.55	47.01	48.42
4507	NASDAQ	IOSP	Tue, Apr 19, 2016	46.00	47.60	45.90	47.56
4506	NASDAQ	IOSP	Mon, Apr 18, 2016	45.67	45.98	45.43	45.95
4505	NASDAQ	IOSP	Fri, Apr 15, 2016	45.00	45.65	44.85	45.57
4504	NASDAQ	IOSP	Thu, Apr 14, 2016	44.79	44.98	44.33	44.96
4503	NASDAQ	IOSP	Wed, Apr 13, 2016	44.06	44.84	43.92	44.73
4502	NASDAQ	IOSP	Tue, Apr 12, 2016	43.61	43.94	42.72	43.90
4501	NASDAQ	IOSP	Mon, Apr 11, 2016	43.37	44.11	43.28	43.64
4500	NASDAQ	IOSP	Fri, Apr 8, 2016	43.37	43.71	43.22	43.49
4499	NASDAQ	IOSP	Thu, Apr 7, 2016	44.22	44.32	43.00	43.14
4498	NASDAQ	IOSP	Wed, Apr 6, 2016	44.68	44.95	44.07	44.42
4497	NASDAQ	IOSP	Tue, Apr 5, 2016	43.17	43.17	43.17	44.63
4496	NASDAQ	IOSP	Mon, Apr 4, 2016	43.53	43.62	42.94	43.17
4495	NASDAQ	IOSP	Fri, Apr 1, 2016	42.97	43.84	42.53	43.63
4494	NASDAQ	IOSP	Thu, Mar 31, 2016	43.90	44.22	43.23	43.95
4493	NASDAQ	IOSP	Wed, Mar 30, 2016	44.26	44.76	43.65	43.95
4492	NASDAQ	IOSP	Tue, Mar 29, 2016	43.61	44.43	43.16	43.67
4491	NASDAQ	IOSP	Mon, Mar 28, 2016	42.33	43.92	42.26	43.67
4490	NASDAQ	IOSP	Thu, Mar 24, 2016	42.71	42.71	42.71	42.45
4489	NASDAQ	IOSP	Wed, Mar 23, 2016	43.50	43.50	42.54	42.71
4488	NASDAQ	IOSP	Tue, Mar 22, 2016	43.39	43.84	43.06	43.50
4487	NASDAQ	IOSP	Mon, Mar 21, 2016	44.29	44.82	43.56	43.69
4486	NASDAQ	IOSP	Fri, Mar 18, 2016	44.79	44.79	44.40	44.27
4485	NASDAQ	IOSP	Thu, Mar 17, 2016	43.49	45.00	43.04	44.59
4484	NASDAQ	IOSP	Wed, Mar 16, 2016	43.10	43.90	42.59	43.40
4483	NASDAQ	IOSP	Tue, Mar 15, 2016	44.46	44.46	44.46	43.43
4482	NASDAQ	IOSP	Mon, Mar 14, 2016	44.33	45.04	42.66	44.46
4481	NASDAQ	IOSP	Fri, Mar 11, 2016	43.70	44.77	43.65	44.07
4480	NASDAQ	IOSP	Thu, Mar 10, 2016	44.17	44.50	43.30	44.09
4479	NASDAQ	IOSP	Wed, Mar 9, 2016	44.42	44.42	44.42	44.09
4478	NASDAQ	IOSP	Tue, Mar 8, 2016	45.03	45.22	44.36	45.27
4477	NASDAQ	IOSP	Mon, Mar 7, 2016	44.54	45.42	44.09	45.27
4476	NASDAQ	IOSP	Fri, Mar 4, 2016	43.48	43.48	43.48	44.40
4475	NASDAQ	IOSP	Thu, Mar 3, 2016	43.53	43.53	43.53	43.48
4474	NASDAQ	IOSP	Wed, Mar 2, 2016	43.90	44.19	42.94	43.93
4473	NASDAQ	IOSP	Tue, Mar 1, 2016	43.40	43.40	43.40	43.93
4472	NASDAQ	IOSP	Mon, Feb 29, 2016	44.09	44.15	42.25	43.40
4471	NASDAQ	IOSP	Fri, Feb 26, 2016	43.12	43.12	43.12	43.92
4470	NASDAQ	IOSP	Thu, Feb 25, 2016	44.33	44.33	42.89	43.12
4469	NASDAQ	IOSP	Wed, Feb 24, 2016	43.12	44.62	42.53	44.46
4468	NASDAQ	IOSP	Tue, Feb 23, 2016	43.66	44.52	43.16	43.40
4467	NASDAQ	IOSP	Mon, Feb 22, 2016	44.19	44.67	43.27	43.56
4466	NASDAQ	IOSP	Fri, Feb 19, 2016	43.63	44.43	42.91	44.18
4465	NASDAQ	IOSP	Thu, Feb 18, 2016	43.87	45.13	43.13	43.69
4464	NASDAQ	IOSP	Wed, Feb 17, 2016	47.79	49.91	42.35	43.98
4463	NASDAQ	IOSP	Tue, Feb 16, 2016	48.00	48.00	46.91	47.89
4462	NASDAQ	IOSP	Fri, Feb 12, 2016	48.00	48.24	47.55	47.77
4461	NASDAQ	IOSP	Thu, Feb 11, 2016	47.41	48.24	46.87	47.57
4460	NASDAQ	IOSP	Wed, Feb 10, 2016	47.93	48.56	47.74	47.79
4459	NASDAQ	IOSP	Tue, Feb 9, 2016	47.31	48.06	47.07	47.76
4458	NASDAQ	IOSP	Mon, Feb 8, 2016	47.48	48.31	46.01	47.70
4457	NASDAQ	IOSP	Fri, Feb 5, 2016	48.62	49.47	47.83	47.84
4456	NASDAQ	IOSP	Thu, Feb 4, 2016	49.00	49.63	48.41	48.65
4455	NASDAQ	IOSP	Wed, Feb 3, 2016	49.11	50.69	48.20	48.88
4454	NASDAQ	IOSP	Tue, Feb 2, 2016	49.09	49.40	48.37	48.75
4453	NASDAQ	IOSP	Mon, Feb 1, 2016	49.68	49.89	49.01	49.60
4452	NASDAQ	IOSP	Fri, Jan 29, 2016	48.31	50.03	48.31	49.85
4451	NASDAQ	IOSP	Thu, Jan 28, 2016	48.05	48.70	47.88	48.21
4450	NASDAQ	IOSP	Wed, Jan 27, 2016	47.62	48.20	47.05	47.71
4449	NASDAQ	IOSP	Tue, Jan 26, 2016	47.11	47.72	46.50	47.54
4448	NASDAQ	IOSP	Mon, Jan 25, 2016	46.92	47.66	46.67	47.05
4447	NASDAQ	IOSP	Fri, Jan 22, 2016	47.41	48.14	46.77	47.27
4446	NASDAQ	IOSP	Thu, Jan 21, 2016	47.96	48.38	46.98	47.02
4445	NASDAQ	IOSP	Wed, Jan 20, 2016	47.24	48.39	46.47	47.94
4444	NASDAQ	IOSP	Tue, Jan 19, 2016	48.98	49.12	47.31	47.56
4443	NASDAQ	IOSP	Fri, Jan 15, 2016	47.68	48.70	47.56	48.54
4442	NASDAQ	IOSP	Thu, Jan 14, 2016	47.95	49.51	47.48	48.74
4441	NASDAQ	IOSP	Wed, Jan 13, 2016	47.91	49.07	47.47	47.64
4440	NASDAQ	IOSP	Tue, Jan 12, 2016	49.11	49.71	47.39	47.99
4439	NASDAQ	IOSP	Mon, Jan 11, 2016	50.35	50.53	48.48	48.77
4438	NASDAQ	IOSP	Fri, Jan 8, 2016	51.44	51.83	50.31	50.38
4437	NASDAQ	IOSP	Thu, Jan 7, 2016	51.05	51.64	50.77	51.51
4436	NASDAQ	IOSP	Wed, Jan 6, 2016	51.32	51.95	50.72	51.79
4435	NASDAQ	IOSP	Tue, Jan 5, 2016	52.61	53.49	51.65	52.01
4434	NASDAQ	IOSP	Mon, Jan 4, 2016	53.56	53.56	52.19	52.32
4433	NASDAQ	IOSP	Thu, Dec 31, 2015	54.84	55.00	54.27	54.31
4432	NASDAQ	IOSP	Wed, Dec 30, 2015	54.92	55.33	54.50	54.85
4431	NASDAQ	IOSP	Tue, Dec 29, 2015	54.64	55.36	54.37	55.05
4430	NASDAQ	IOSP	Mon, Dec 28, 2015	54.34	55.66	53.76	54.45
4429	NASDAQ	IOSP	Thu, Dec 24, 2015	54.71	55.03	54.21	54.48
4428	NASDAQ	IOSP	Wed, Dec 23, 2015	54.25	54.79	54.05	54.65
4427	NASDAQ	IOSP	Tue, Dec 22, 2015	53.17	54.30	53.16	54.14
4426	NASDAQ	IOSP	Mon, Dec 21, 2015	54.86	56.07	52.59	53.15
4425	NASDAQ	IOSP	Fri, Dec 18, 2015	55.06	55.51	54.62	54.67
4424	NASDAQ	IOSP	Thu, Dec 17, 2015	56.19	56.90	55.29	55.34
4423	NASDAQ	IOSP	Wed, Dec 16, 2015	55.07	56.34	54.24	56.07
4422	NASDAQ	IOSP	Tue, Dec 15, 2015	55.52	56.65	54.25	54.84
4421	NASDAQ	IOSP	Mon, Dec 14, 2015	55.89	56.16	54.98	55.11
4420	NASDAQ	IOSP	Fri, Dec 11, 2015	55.12	56.37	55.12	55.82
4419	NASDAQ	IOSP	Thu, Dec 10, 2015	55.25	56.68	54.28	56.03
4418	NASDAQ	IOSP	Wed, Dec 9, 2015	55.81	56.03	54.69	55.17
4417	NASDAQ	IOSP	Tue, Dec 8, 2015	56.77	56.93	55.01	55.53
4416	NASDAQ	IOSP	Mon, Dec 7, 2015	57.66	57.98	56.42	57.24
4415	NASDAQ	IOSP	Fri, Dec 4, 2015	57.31	57.91	56.50	57.41
4414	NASDAQ	IOSP	Thu, Dec 3, 2015	57.24	58.08	56.77	57.33
4413	NASDAQ	IOSP	Wed, Dec 2, 2015	58.12	58.24	56.87	57.18
4412	NASDAQ	IOSP	Tue, Dec 1, 2015	58.48	58.79	57.41	58.23
4411	NASDAQ	IOSP	Mon, Nov 30, 2015	58.71	59.52	58.06	58.40
4410	NASDAQ	IOSP	Fri, Nov 27, 2015	58.17	58.48	57.76	58.13
4409	NASDAQ	IOSP	Wed, Nov 25, 2015	58.12	58.59	57.66	58.10
4408	NASDAQ	IOSP	Tue, Nov 24, 2015	57.57	58.53	56.99	58.30
4407	NASDAQ	IOSP	Mon, Nov 23, 2015	57.14	57.86	56.69	57.52
4406	NASDAQ	IOSP	Fri, Nov 20, 2015	57.65	58.02	56.70	57.04
4405	NASDAQ	IOSP	Thu, Nov 19, 2015	57.70	57.84	56.85	57.44
4404	NASDAQ	IOSP	Wed, Nov 18, 2015	57.12	57.78	56.71	57.58
4403	NASDAQ	IOSP	Tue, Nov 17, 2015	57.03	57.80	56.66	56.85
4402	NASDAQ	IOSP	Mon, Nov 16, 2015	56.35	56.92	55.83	56.89
4401	NASDAQ	IOSP	Fri, Nov 13, 2015	56.03	57.99	55.42	56.34
4400	NASDAQ	IOSP	Thu, Nov 12, 2015	56.91	57.15	56.22	56.47
4399	NASDAQ	IOSP	Wed, Nov 11, 2015	57.78	58.13	57.15	57.62
4398	NASDAQ	IOSP	Tue, Nov 10, 2015	58.32	58.81	57.09	57.53
4397	NASDAQ	IOSP	Mon, Nov 9, 2015	58.40	58.99	57.85	58.70
4396	NASDAQ	IOSP	Fri, Nov 6, 2015	58.33	58.88	57.34	58.56
4395	NASDAQ	IOSP	Thu, Nov 5, 2015	57.66	58.87	57.39	58.66
4394	NASDAQ	IOSP	Wed, Nov 4, 2015	58.90	58.90	57.06	57.47
4393	NASDAQ	IOSP	Tue, Nov 3, 2015	54.99	55.40	54.26	54.40
4392	NASDAQ	IOSP	Mon, Nov 2, 2015	55.20	55.84	54.86	55.22
4391	NASDAQ	IOSP	Fri, Oct 30, 2015	54.96	55.43	54.38	55.24
4390	NASDAQ	IOSP	Thu, Oct 29, 2015	54.69	55.24	49.29	54.88
4389	NASDAQ	IOSP	Wed, Oct 28, 2015	53.39	54.91	53.30	54.88
4388	NASDAQ	IOSP	Tue, Oct 27, 2015	53.31	53.49	52.73	53.28
4387	NASDAQ	IOSP	Mon, Oct 26, 2015	53.68	53.80	53.12	53.62
4386	NASDAQ	IOSP	Fri, Oct 23, 2015	53.30	53.88	52.70	53.61
4385	NASDAQ	IOSP	Thu, Oct 22, 2015	53.03	53.17	52.27	53.00
4384	NASDAQ	IOSP	Wed, Oct 21, 2015	53.10	53.61	52.68	52.77
4383	NASDAQ	IOSP	Tue, Oct 20, 2015	52.87	53.79	52.87	53.09
4382	NASDAQ	IOSP	Mon, Oct 19, 2015	53.03	53.08	52.33	53.00
4381	NASDAQ	IOSP	Fri, Oct 16, 2015	53.09	53.13	52.35	53.12
4380	NASDAQ	IOSP	Thu, Oct 15, 2015	53.50	53.56	52.00	53.20
4379	NASDAQ	IOSP	Wed, Oct 14, 2015	52.44	53.14	52.26	53.06
4378	NASDAQ	IOSP	Tue, Oct 13, 2015	53.51	53.79	52.01	52.24
4377	NASDAQ	IOSP	Mon, Oct 12, 2015	54.48	54.48	52.70	53.51
4376	NASDAQ	IOSP	Fri, Oct 9, 2015	53.98	55.34	53.26	55.15
4375	NASDAQ	IOSP	Thu, Oct 8, 2015	52.98	54.74	52.75	53.40
4374	NASDAQ	IOSP	Wed, Oct 7, 2015	50.49	53.42	50.38	53.18
4373	NASDAQ	IOSP	Tue, Oct 6, 2015	50.00	51.20	49.81	50.50
4372	NASDAQ	IOSP	Mon, Oct 5, 2015	49.60	50.00	49.22	49.91
4371	NASDAQ	IOSP	Fri, Oct 2, 2015	47.74	49.40	47.14	49.35
4370	NASDAQ	IOSP	Thu, Oct 1, 2015	46.64	48.56	46.35	47.99
4369	NASDAQ	IOSP	Wed, Sep 30, 2015	47.68	47.68	46.25	46.51
4368	NASDAQ	IOSP	Tue, Sep 29, 2015	46.58	47.54	46.44	47.27
4367	NASDAQ	IOSP	Mon, Sep 28, 2015	47.10	47.40	46.21	46.48
4366	NASDAQ	IOSP	Fri, Sep 25, 2015	47.50	47.54	46.67	47.32
4365	NASDAQ	IOSP	Thu, Sep 24, 2015	46.56	47.55	45.82	47.18
4364	NASDAQ	IOSP	Wed, Sep 23, 2015	47.48	47.80	46.57	46.65
4363	NASDAQ	IOSP	Tue, Sep 22, 2015	47.97	48.08	47.08	47.34
4362	NASDAQ	IOSP	Mon, Sep 21, 2015	48.51	49.58	48.29	48.49
4361	NASDAQ	IOSP	Fri, Sep 18, 2015	48.43	49.23	48.19	48.38
4360	NASDAQ	IOSP	Thu, Sep 17, 2015	49.39	49.50	48.77	49.06
4359	NASDAQ	IOSP	Wed, Sep 16, 2015	48.53	49.48	48.41	49.46
4358	NASDAQ	IOSP	Tue, Sep 15, 2015	47.96	48.78	47.90	48.53
4357	NASDAQ	IOSP	Mon, Sep 14, 2015	48.74	49.11	47.97	48.02
4356	NASDAQ	IOSP	Fri, Sep 11, 2015	48.78	48.92	48.12	48.82
4355	NASDAQ	IOSP	Thu, Sep 10, 2015	49.37	49.63	48.94	49.08
4354	NASDAQ	IOSP	Wed, Sep 9, 2015	49.50	49.83	49.13	49.34
4353	NASDAQ	IOSP	Tue, Sep 8, 2015	49.50	49.84	48.83	49.41
4352	NASDAQ	IOSP	Fri, Sep 4, 2015	48.86	49.20	48.55	48.86
4351	NASDAQ	IOSP	Thu, Sep 3, 2015	49.66	50.00	49.20	49.23
4350	NASDAQ	IOSP	Wed, Sep 2, 2015	48.77	50.00	48.12	49.64
4349	NASDAQ	IOSP	Tue, Sep 1, 2015	47.77	48.92	47.77	48.16
4348	NASDAQ	IOSP	Mon, Aug 31, 2015	47.98	49.72	47.64	49.10
4347	NASDAQ	IOSP	Fri, Aug 28, 2015	47.50	48.26	47.33	48.17
4346	NASDAQ	IOSP	Thu, Aug 27, 2015	47.80	48.51	47.39	47.69
4345	NASDAQ	IOSP	Wed, Aug 26, 2015	47.55	47.94	46.58	47.59
4344	NASDAQ	IOSP	Tue, Aug 25, 2015	47.38	48.84	46.36	46.45
4343	NASDAQ	IOSP	Mon, Aug 24, 2015	47.93	48.99	46.11	46.50
4342	NASDAQ	IOSP	Fri, Aug 21, 2015	48.05	50.93	48.05	48.98
4341	NASDAQ	IOSP	Thu, Aug 20, 2015	46.36	46.67	46.07	46.19
4340	NASDAQ	IOSP	Wed, Aug 19, 2015	46.39	46.97	45.99	46.54
4339	NASDAQ	IOSP	Tue, Aug 18, 2015	46.77	46.97	46.52	46.74
4338	NASDAQ	IOSP	Mon, Aug 17, 2015	46.04	46.77	46.04	46.65
4337	NASDAQ	IOSP	Fri, Aug 14, 2015	46.04	46.48	45.97	46.32
4336	NASDAQ	IOSP	Thu, Aug 13, 2015	46.16	46.51	45.67	46.14
4335	NASDAQ	IOSP	Wed, Aug 12, 2015	44.77	46.33	44.51	46.01
4334	NASDAQ	IOSP	Tue, Aug 11, 2015	44.63	44.88	44.21	44.79
4333	NASDAQ	IOSP	Mon, Aug 10, 2015	43.47	44.94	43.47	44.76
4332	NASDAQ	IOSP	Fri, Aug 7, 2015	43.91	44.10	43.10	43.22
4331	NASDAQ	IOSP	Thu, Aug 6, 2015	43.80	44.33	43.16	44.19
4330	NASDAQ	IOSP	Wed, Aug 5, 2015	41.45	45.60	41.45	43.84
4329	NASDAQ	IOSP	Tue, Aug 4, 2015	41.98	42.48	41.15	41.35
4328	NASDAQ	IOSP	Mon, Aug 3, 2015	43.30	43.50	41.68	42.03
4327	NASDAQ	IOSP	Fri, Jul 31, 2015	42.57	43.73	42.55	43.25
4326	NASDAQ	IOSP	Thu, Jul 30, 2015	42.64	42.64	42.05	42.46
4325	NASDAQ	IOSP	Wed, Jul 29, 2015	42.22	42.97	41.56	42.64
4324	NASDAQ	IOSP	Tue, Jul 28, 2015	42.11	42.47	41.33	42.34
4323	NASDAQ	IOSP	Mon, Jul 27, 2015	42.04	42.24	41.41	41.83
4322	NASDAQ	IOSP	Fri, Jul 24, 2015	42.71	42.76	41.08	42.06
4321	NASDAQ	IOSP	Thu, Jul 23, 2015	43.40	43.46	42.69	42.89
4320	NASDAQ	IOSP	Wed, Jul 22, 2015	43.34	43.93	43.14	43.40
4319	NASDAQ	IOSP	Tue, Jul 21, 2015	43.68	43.78	43.12	43.64
4318	NASDAQ	IOSP	Mon, Jul 20, 2015	44.08	44.59	43.12	43.49
4317	NASDAQ	IOSP	Fri, Jul 17, 2015	44.62	44.62	43.76	43.95
4316	NASDAQ	IOSP	Thu, Jul 16, 2015	44.44	44.80	44.10	44.46
4315	NASDAQ	IOSP	Wed, Jul 15, 2015	44.18	44.26	43.59	44.10
4314	NASDAQ	IOSP	Tue, Jul 14, 2015	43.82	44.10	43.79	43.99
4313	NASDAQ	IOSP	Mon, Jul 13, 2015	43.82	44.09	43.78	43.92
4312	NASDAQ	IOSP	Fri, Jul 10, 2015	43.62	44.15	43.22	43.77
4311	NASDAQ	IOSP	Thu, Jul 9, 2015	44.09	44.77	43.09	43.25
4310	NASDAQ	IOSP	Wed, Jul 8, 2015	43.72	45.82	43.51	43.75
4309	NASDAQ	IOSP	Tue, Jul 7, 2015	44.52	44.82	43.27	43.96
4308	NASDAQ	IOSP	Mon, Jul 6, 2015	44.59	44.61	44.09	44.59
4307	NASDAQ	IOSP	Thu, Jul 2, 2015	45.09	45.09	44.32	44.69
4306	NASDAQ	IOSP	Wed, Jul 1, 2015	45.28	45.50	44.76	44.98
4305	NASDAQ	IOSP	Tue, Jun 30, 2015	45.47	45.47	44.87	45.04
4304	NASDAQ	IOSP	Mon, Jun 29, 2015	46.27	46.40	45.23	45.23
4303	NASDAQ	IOSP	Fri, Jun 26, 2015	46.57	46.60	46.20	46.48
4302	NASDAQ	IOSP	Thu, Jun 25, 2015	46.46	46.54	46.12	46.47
4301	NASDAQ	IOSP	Wed, Jun 24, 2015	46.41	46.41	46.17	46.27
4300	NASDAQ	IOSP	Tue, Jun 23, 2015	45.97	46.40	45.95	46.36
4299	NASDAQ	IOSP	Mon, Jun 22, 2015	46.10	46.28	45.75	46.21
4298	NASDAQ	IOSP	Fri, Jun 19, 2015	45.85	46.34	45.36	46.00
4297	NASDAQ	IOSP	Thu, Jun 18, 2015	45.84	46.08	45.56	45.77
4296	NASDAQ	IOSP	Wed, Jun 17, 2015	46.52	46.52	45.36	45.53
4295	NASDAQ	IOSP	Tue, Jun 16, 2015	46.14	46.78	46.13	46.35
4294	NASDAQ	IOSP	Mon, Jun 15, 2015	45.96	46.41	45.08	46.13
4293	NASDAQ	IOSP	Fri, Jun 12, 2015	46.05	46.31	45.80	46.10
4292	NASDAQ	IOSP	Thu, Jun 11, 2015	45.72	46.05	45.46	46.02
4291	NASDAQ	IOSP	Wed, Jun 10, 2015	44.80	46.01	44.78	45.46
4290	NASDAQ	IOSP	Tue, Jun 9, 2015	43.72	44.43	43.62	44.43
4289	NASDAQ	IOSP	Mon, Jun 8, 2015	43.52	43.88	43.46	43.81
4288	NASDAQ	IOSP	Fri, Jun 5, 2015	43.20	43.60	42.91	43.60
4287	NASDAQ	IOSP	Thu, Jun 4, 2015	43.12	43.36	42.81	43.22
4286	NASDAQ	IOSP	Wed, Jun 3, 2015	43.25	43.44	43.06	43.41
4285	NASDAQ	IOSP	Tue, Jun 2, 2015	42.71	43.32	42.71	43.12
4284	NASDAQ	IOSP	Mon, Jun 1, 2015	43.34	43.34	42.47	43.04
4283	NASDAQ	IOSP	Fri, May 29, 2015	43.16	43.26	42.70	42.88
4282	NASDAQ	IOSP	Thu, May 28, 2015	43.12	43.64	42.81	43.21
4281	NASDAQ	IOSP	Wed, May 27, 2015	42.98	43.34	42.60	43.27
4280	NASDAQ	IOSP	Tue, May 26, 2015	43.53	43.62	42.75	43.08
4279	NASDAQ	IOSP	Fri, May 22, 2015	44.62	44.68	43.78	43.81
4278	NASDAQ	IOSP	Thu, May 21, 2015	44.78	44.79	44.32	44.76
4277	NASDAQ	IOSP	Wed, May 20, 2015	44.82	44.88	44.50	44.72
4276	NASDAQ	IOSP	Tue, May 19, 2015	44.62	44.94	44.48	44.79
4275	NASDAQ	IOSP	Mon, May 18, 2015	44.63	44.91	44.13	44.81
4274	NASDAQ	IOSP	Fri, May 15, 2015	44.50	44.69	44.08	44.63
4273	NASDAQ	IOSP	Thu, May 14, 2015	44.25	44.78	44.15	44.60
4272	NASDAQ	IOSP	Wed, May 13, 2015	44.30	44.33	44.01	44.30
4271	NASDAQ	IOSP	Tue, May 12, 2015	44.10	44.26	43.76	44.10
4270	NASDAQ	IOSP	Mon, May 11, 2015	44.09	44.38	43.96	44.02
4269	NASDAQ	IOSP	Fri, May 8, 2015	44.41	44.84	44.10	44.19
4268	NASDAQ	IOSP	Thu, May 7, 2015	43.98	44.15	43.43	43.98
4267	NASDAQ	IOSP	Wed, May 6, 2015	43.95	44.56	43.33	44.26
4266	NASDAQ	IOSP	Tue, May 5, 2015	44.47	44.68	43.92	44.26
4265	NASDAQ	IOSP	Mon, May 4, 2015	44.65	45.25	44.12	44.30
4264	NASDAQ	IOSP	Fri, May 1, 2015	44.10	44.81	43.62	44.68
4263	NASDAQ	IOSP	Thu, Apr 30, 2015	44.07	44.56	43.34	43.70
4262	NASDAQ	IOSP	Wed, Apr 29, 2015	44.85	45.09	44.41	44.41
4261	NASDAQ	IOSP	Tue, Apr 28, 2015	45.09	45.25	44.63	45.01
4260	NASDAQ	IOSP	Mon, Apr 27, 2015	45.34	45.91	44.68	44.82
4259	NASDAQ	IOSP	Fri, Apr 24, 2015	45.23	45.26	44.94	45.12
4258	NASDAQ	IOSP	Thu, Apr 23, 2015	44.95	45.46	44.79	45.21
4257	NASDAQ	IOSP	Wed, Apr 22, 2015	44.66	45.21	44.14	44.95
4256	NASDAQ	IOSP	Tue, Apr 21, 2015	44.96	45.23	44.33	44.66
4255	NASDAQ	IOSP	Mon, Apr 20, 2015	44.13	44.85	44.03	44.71
4254	NASDAQ	IOSP	Fri, Apr 17, 2015	44.37	44.53	43.67	43.83
4253	NASDAQ	IOSP	Thu, Apr 16, 2015	45.16	45.49	44.45	44.72
4252	NASDAQ	IOSP	Wed, Apr 15, 2015	45.21	46.10	45.10	45.40
4251	NASDAQ	IOSP	Tue, Apr 14, 2015	45.32	45.32	44.80	45.10
4250	NASDAQ	IOSP	Mon, Apr 13, 2015	45.04	45.25	44.94	45.13
4249	NASDAQ	IOSP	Fri, Apr 10, 2015	45.95	45.95	45.03	45.10
4248	NASDAQ	IOSP	Thu, Apr 9, 2015	45.98	46.30	45.05	45.59
4247	NASDAQ	IOSP	Wed, Apr 8, 2015	45.99	46.39	45.74	45.92
4246	NASDAQ	IOSP	Tue, Apr 7, 2015	46.17	46.46	45.90	46.05
4245	NASDAQ	IOSP	Mon, Apr 6, 2015	45.70	46.50	45.70	46.25
4244	NASDAQ	IOSP	Thu, Apr 2, 2015	45.98	46.30	45.89	46.07
4243	NASDAQ	IOSP	Wed, Apr 1, 2015	46.26	46.40	45.69	46.08
4242	NASDAQ	IOSP	Tue, Mar 31, 2015	46.45	46.73	46.18	46.39
4241	NASDAQ	IOSP	Mon, Mar 30, 2015	46.06	46.97	46.06	46.54
4240	NASDAQ	IOSP	Fri, Mar 27, 2015	45.99	46.46	45.37	46.09
4239	NASDAQ	IOSP	Thu, Mar 26, 2015	45.20	46.18	45.02	45.88
4238	NASDAQ	IOSP	Wed, Mar 25, 2015	45.66	46.09	45.30	45.70
4237	NASDAQ	IOSP	Tue, Mar 24, 2015	45.23	45.61	44.86	45.54
4236	NASDAQ	IOSP	Mon, Mar 23, 2015	44.35	45.48	44.23	45.30
4235	NASDAQ	IOSP	Fri, Mar 20, 2015	44.32	44.69	44.09	44.38
4234	NASDAQ	IOSP	Thu, Mar 19, 2015	44.42	44.42	43.69	44.04
4233	NASDAQ	IOSP	Wed, Mar 18, 2015	43.95	46.21	43.73	44.61
4232	NASDAQ	IOSP	Tue, Mar 17, 2015	44.65	44.66	43.57	44.18
4231	NASDAQ	IOSP	Mon, Mar 16, 2015	44.77	45.31	43.62	44.83
4230	NASDAQ	IOSP	Fri, Mar 13, 2015	44.79	44.90	44.18	44.68
4229	NASDAQ	IOSP	Thu, Mar 12, 2015	43.96	44.80	43.38	44.68
4228	NASDAQ	IOSP	Wed, Mar 11, 2015	43.07	43.70	43.07	43.53
4227	NASDAQ	IOSP	Tue, Mar 10, 2015	43.53	43.53	42.84	43.12
4226	NASDAQ	IOSP	Mon, Mar 9, 2015	43.01	44.16	43.01	43.87
4225	NASDAQ	IOSP	Fri, Mar 6, 2015	43.39	43.47	43.00	43.03
4224	NASDAQ	IOSP	Thu, Mar 5, 2015	44.21	44.21	43.00	43.41
4223	NASDAQ	IOSP	Wed, Mar 4, 2015	44.41	44.76	44.00	44.15
4222	NASDAQ	IOSP	Tue, Mar 3, 2015	44.94	45.12	44.21	44.46
4221	NASDAQ	IOSP	Mon, Mar 2, 2015	44.29	45.65	44.29	45.22
4220	NASDAQ	IOSP	Fri, Feb 27, 2015	44.10	44.82	43.56	44.17
4219	NASDAQ	IOSP	Thu, Feb 26, 2015	43.85	43.99	43.34	43.76
4218	NASDAQ	IOSP	Wed, Feb 25, 2015	43.85	44.15	43.59	43.96
4217	NASDAQ	IOSP	Tue, Feb 24, 2015	43.60	44.34	43.38	43.97
4216	NASDAQ	IOSP	Mon, Feb 23, 2015	44.00	44.81	43.18	43.57
4215	NASDAQ	IOSP	Fri, Feb 20, 2015	44.10	44.21	43.38	43.95
4214	NASDAQ	IOSP	Thu, Feb 19, 2015	43.58	44.76	43.58	43.98
4213	NASDAQ	IOSP	Wed, Feb 18, 2015	44.00	45.88	43.50	43.84
4212	NASDAQ	IOSP	Tue, Feb 17, 2015	42.26	42.45	41.57	42.10
4211	NASDAQ	IOSP	Fri, Feb 13, 2015	42.66	42.77	42.05	42.26
4210	NASDAQ	IOSP	Thu, Feb 12, 2015	42.47	42.99	42.08	42.36
4209	NASDAQ	IOSP	Wed, Feb 11, 2015	42.13	42.43	41.80	42.06
4208	NASDAQ	IOSP	Tue, Feb 10, 2015	42.40	42.55	41.61	42.25
4207	NASDAQ	IOSP	Mon, Feb 9, 2015	42.63	43.13	41.96	42.00
4206	NASDAQ	IOSP	Fri, Feb 6, 2015	42.58	42.72	41.85	42.65
4205	NASDAQ	IOSP	Thu, Feb 5, 2015	41.22	42.91	41.09	42.44
4204	NASDAQ	IOSP	Wed, Feb 4, 2015	40.30	41.39	40.16	41.05
4203	NASDAQ	IOSP	Tue, Feb 3, 2015	40.00	40.91	39.66	40.55
4202	NASDAQ	IOSP	Mon, Feb 2, 2015	39.50	39.72	38.82	39.72
4201	NASDAQ	IOSP	Fri, Jan 30, 2015	39.50	40.32	39.40	39.47
4200	NASDAQ	IOSP	Thu, Jan 29, 2015	40.41	40.41	39.70	39.88
4199	NASDAQ	IOSP	Wed, Jan 28, 2015	41.22	41.77	40.05	40.36
4198	NASDAQ	IOSP	Tue, Jan 27, 2015	40.65	41.32	40.47	41.03
4197	NASDAQ	IOSP	Mon, Jan 26, 2015	41.34	41.34	40.62	41.07
4196	NASDAQ	IOSP	Fri, Jan 23, 2015	41.66	42.68	41.19	41.23
4195	NASDAQ	IOSP	Thu, Jan 22, 2015	42.40	42.66	41.48	41.90
4194	NASDAQ	IOSP	Wed, Jan 21, 2015	42.16	42.38	41.68	42.03
4193	NASDAQ	IOSP	Tue, Jan 20, 2015	42.11	42.93	41.84	42.25
4192	NASDAQ	IOSP	Fri, Jan 16, 2015	40.60	42.15	40.50	42.07
4191	NASDAQ	IOSP	Thu, Jan 15, 2015	41.35	41.54	38.44	40.72
4190	NASDAQ	IOSP	Wed, Jan 14, 2015	40.74	41.32	40.58	41.17
4189	NASDAQ	IOSP	Tue, Jan 13, 2015	40.60	41.22	40.60	41.09
4188	NASDAQ	IOSP	Mon, Jan 12, 2015	40.37	40.44	39.51	40.31
4187	NASDAQ	IOSP	Fri, Jan 9, 2015	40.91	41.08	40.08	40.35
4186	NASDAQ	IOSP	Thu, Jan 8, 2015	41.05	41.21	40.35	41.08
4185	NASDAQ	IOSP	Wed, Jan 7, 2015	41.82	42.00	40.56	40.85
4184	NASDAQ	IOSP	Tue, Jan 6, 2015	42.51	42.96	41.26	41.58
4183	NASDAQ	IOSP	Mon, Jan 5, 2015	42.05	42.68	41.29	42.51
4182	NASDAQ	IOSP	Fri, Jan 2, 2015	42.83	43.27	42.10	42.51
4181	NASDAQ	IOSP	Wed, Dec 31, 2014	43.56	44.12	42.50	42.70
4180	NASDAQ	IOSP	Tue, Dec 30, 2014	43.46	43.97	43.22	43.51
4179	NASDAQ	IOSP	Mon, Dec 29, 2014	43.04	43.81	42.84	43.59
4178	NASDAQ	IOSP	Fri, Dec 26, 2014	43.12	43.49	42.95	43.00
4177	NASDAQ	IOSP	Wed, Dec 24, 2014	42.98	43.35	42.83	42.92
4176	NASDAQ	IOSP	Tue, Dec 23, 2014	42.91	43.62	42.21	42.68
4175	NASDAQ	IOSP	Mon, Dec 22, 2014	41.25	42.64	41.25	42.56
4174	NASDAQ	IOSP	Fri, Dec 19, 2014	41.95	42.63	40.93	41.38
4173	NASDAQ	IOSP	Thu, Dec 18, 2014	42.21	42.29	41.30	42.05
4172	NASDAQ	IOSP	Wed, Dec 17, 2014	40.78	42.10	40.78	41.78
4171	NASDAQ	IOSP	Tue, Dec 16, 2014	41.10	41.76	40.69	40.80
4170	NASDAQ	IOSP	Mon, Dec 15, 2014	42.08	42.08	40.77	41.10
4169	NASDAQ	IOSP	Fri, Dec 12, 2014	42.58	42.62	41.28	41.91
4168	NASDAQ	IOSP	Thu, Dec 11, 2014	43.78	44.33	42.99	43.15
4167	NASDAQ	IOSP	Wed, Dec 10, 2014	44.24	44.41	43.34	43.56
4166	NASDAQ	IOSP	Tue, Dec 9, 2014	43.72	44.82	43.54	44.55
4165	NASDAQ	IOSP	Mon, Dec 8, 2014	44.99	45.13	44.12	44.28
4164	NASDAQ	IOSP	Fri, Dec 5, 2014	44.94	45.50	44.55	45.00
4163	NASDAQ	IOSP	Thu, Dec 4, 2014	45.32	46.91	44.28	44.94
4162	NASDAQ	IOSP	Wed, Dec 3, 2014	44.96	46.49	44.36	45.57
4161	NASDAQ	IOSP	Tue, Dec 2, 2014	43.04	45.29	43.03	44.96
4160	NASDAQ	IOSP	Mon, Dec 1, 2014	43.15	43.38	42.12	42.95
4159	NASDAQ	IOSP	Fri, Nov 28, 2014	44.13	44.17	41.00	42.86
4158	NASDAQ	IOSP	Wed, Nov 26, 2014	43.71	44.06	43.39	43.92
4157	NASDAQ	IOSP	Tue, Nov 25, 2014	43.61	44.40	43.49	43.83
4156	NASDAQ	IOSP	Mon, Nov 24, 2014	43.87	43.99	43.08	43.63
4155	NASDAQ	IOSP	Fri, Nov 21, 2014	44.26	44.34	43.41	43.87
4154	NASDAQ	IOSP	Thu, Nov 20, 2014	42.52	43.58	42.45	43.54
4153	NASDAQ	IOSP	Wed, Nov 19, 2014	43.70	43.70	41.77	42.77
4152	NASDAQ	IOSP	Tue, Nov 18, 2014	43.83	44.48	43.41	43.71
4151	NASDAQ	IOSP	Mon, Nov 17, 2014	44.32	44.45	43.48	43.59
4150	NASDAQ	IOSP	Fri, Nov 14, 2014	44.05	44.74	43.93	44.44
4149	NASDAQ	IOSP	Thu, Nov 13, 2014	44.18	44.68	44.14	44.53
4148	NASDAQ	IOSP	Wed, Nov 12, 2014	43.82	44.71	43.82	44.23
4147	NASDAQ	IOSP	Tue, Nov 11, 2014	44.00	44.75	43.71	43.89
4146	NASDAQ	IOSP	Mon, Nov 10, 2014	43.80	44.06	42.97	44.06
4145	NASDAQ	IOSP	Fri, Nov 7, 2014	43.97	43.97	43.21	43.72
4144	NASDAQ	IOSP	Thu, Nov 6, 2014	43.56	44.36	43.15	44.13
4143	NASDAQ	IOSP	Wed, Nov 5, 2014	41.50	43.52	40.62	43.33
4142	NASDAQ	IOSP	Tue, Nov 4, 2014	39.94	40.63	39.22	39.66
4141	NASDAQ	IOSP	Mon, Nov 3, 2014	40.28	40.73	39.88	40.13
4140	NASDAQ	IOSP	Fri, Oct 31, 2014	40.40	40.52	39.80	40.37
4139	NASDAQ	IOSP	Thu, Oct 30, 2014	38.65	40.08	38.53	39.62
4138	NASDAQ	IOSP	Wed, Oct 29, 2014	38.84	38.93	38.31	38.73
4137	NASDAQ	IOSP	Tue, Oct 28, 2014	36.86	38.73	36.65	38.68
4136	NASDAQ	IOSP	Mon, Oct 27, 2014	36.79	36.79	35.75	36.68
4135	NASDAQ	IOSP	Fri, Oct 24, 2014	37.50	37.70	36.83	37.08
4134	NASDAQ	IOSP	Thu, Oct 23, 2014	36.84	37.65	36.32	37.43
4133	NASDAQ	IOSP	Wed, Oct 22, 2014	37.31	38.63	35.87	36.43
4132	NASDAQ	IOSP	Tue, Oct 21, 2014	37.06	37.30	35.45	37.11
4131	NASDAQ	IOSP	Mon, Oct 20, 2014	36.38	36.98	36.06	36.94
4130	NASDAQ	IOSP	Fri, Oct 17, 2014	37.93	37.93	36.58	36.62
4129	NASDAQ	IOSP	Thu, Oct 16, 2014	36.42	37.74	36.33	37.35
4128	NASDAQ	IOSP	Wed, Oct 15, 2014	35.47	37.16	35.00	36.90
4127	NASDAQ	IOSP	Tue, Oct 14, 2014	36.00	36.14	35.79	36.00
4126	NASDAQ	IOSP	Mon, Oct 13, 2014	35.88	36.37	35.64	35.85
4125	NASDAQ	IOSP	Fri, Oct 10, 2014	35.58	36.15	35.12	35.86
4124	NASDAQ	IOSP	Thu, Oct 9, 2014	36.71	36.71	35.49	35.78
4123	NASDAQ	IOSP	Wed, Oct 8, 2014	35.89	36.97	35.46	36.79
4122	NASDAQ	IOSP	Tue, Oct 7, 2014	36.15	36.36	35.63	35.89
4121	NASDAQ	IOSP	Mon, Oct 6, 2014	36.27	36.61	36.07	36.29
4120	NASDAQ	IOSP	Fri, Oct 3, 2014	36.54	36.59	36.10	36.25
4119	NASDAQ	IOSP	Thu, Oct 2, 2014	35.63	36.25	35.63	36.18
4118	NASDAQ	IOSP	Wed, Oct 1, 2014	35.99	35.99	35.13	35.58
4117	NASDAQ	IOSP	Tue, Sep 30, 2014	36.59	36.59	35.90	35.90
4116	NASDAQ	IOSP	Mon, Sep 29, 2014	36.49	36.91	36.06	36.67
4115	NASDAQ	IOSP	Fri, Sep 26, 2014	36.95	37.08	36.77	36.90
4114	NASDAQ	IOSP	Thu, Sep 25, 2014	37.33	37.52	36.65	36.93
4113	NASDAQ	IOSP	Wed, Sep 24, 2014	37.01	37.74	36.81	37.36
4112	NASDAQ	IOSP	Tue, Sep 23, 2014	37.71	37.91	36.82	37.10
4111	NASDAQ	IOSP	Mon, Sep 22, 2014	38.24	38.43	37.88	37.92
4110	NASDAQ	IOSP	Fri, Sep 19, 2014	38.54	38.70	38.19	38.50
4109	NASDAQ	IOSP	Thu, Sep 18, 2014	38.93	39.09	38.33	38.49
4108	NASDAQ	IOSP	Wed, Sep 17, 2014	39.08	39.35	38.64	38.74
4107	NASDAQ	IOSP	Tue, Sep 16, 2014	39.00	39.78	39.01	39.14
4106	NASDAQ	IOSP	Mon, Sep 15, 2014	39.27	39.40	38.58	39.12
4105	NASDAQ	IOSP	Fri, Sep 12, 2014	39.91	39.91	38.80	39.28
4104	NASDAQ	IOSP	Thu, Sep 11, 2014	39.40	39.97	39.24	39.84
4103	NASDAQ	IOSP	Wed, Sep 10, 2014	39.87	39.87	39.20	39.73
4102	NASDAQ	IOSP	Tue, Sep 9, 2014	40.79	40.84	39.65	39.78
4101	NASDAQ	IOSP	Mon, Sep 8, 2014	41.25	41.27	40.57	40.79
4100	NASDAQ	IOSP	Fri, Sep 5, 2014	41.52	41.78	41.26	41.40
4099	NASDAQ	IOSP	Thu, Sep 4, 2014	41.93	42.10	41.63	41.72
4098	NASDAQ	IOSP	Wed, Sep 3, 2014	42.29	42.39	41.76	41.96
4097	NASDAQ	IOSP	Tue, Sep 2, 2014	42.43	42.52	41.83	42.23
4096	NASDAQ	IOSP	Fri, Aug 29, 2014	42.23	42.50	41.85	42.18
4095	NASDAQ	IOSP	Thu, Aug 28, 2014	42.44	42.85	42.22	42.30
4094	NASDAQ	IOSP	Wed, Aug 27, 2014	42.93	43.11	42.61	42.74
4093	NASDAQ	IOSP	Tue, Aug 26, 2014	42.68	43.25	42.56	43.01
4092	NASDAQ	IOSP	Mon, Aug 25, 2014	42.58	43.25	42.09	42.62
4091	NASDAQ	IOSP	Fri, Aug 22, 2014	42.14	42.62	41.41	42.24
4090	NASDAQ	IOSP	Thu, Aug 21, 2014	40.57	42.51	40.31	42.14
4089	NASDAQ	IOSP	Wed, Aug 20, 2014	40.96	40.96	40.26	40.70
4088	NASDAQ	IOSP	Tue, Aug 19, 2014	40.74	41.11	40.68	41.06
4087	NASDAQ	IOSP	Mon, Aug 18, 2014	40.64	40.88	40.31	40.48
4086	NASDAQ	IOSP	Fri, Aug 15, 2014	40.85	40.85	39.97	40.25
4085	NASDAQ	IOSP	Thu, Aug 14, 2014	40.31	40.62	40.30	40.49
4084	NASDAQ	IOSP	Wed, Aug 13, 2014	40.43	41.21	40.19	40.43
4083	NASDAQ	IOSP	Tue, Aug 12, 2014	40.08	40.66	40.04	40.34
4082	NASDAQ	IOSP	Mon, Aug 11, 2014	40.90	41.55	40.28	40.39
4081	NASDAQ	IOSP	Fri, Aug 8, 2014	40.04	41.01	39.78	40.74
4080	NASDAQ	IOSP	Thu, Aug 7, 2014	41.03	41.34	39.96	40.10
4079	NASDAQ	IOSP	Wed, Aug 6, 2014	39.87	41.83	39.87	40.92
4078	NASDAQ	IOSP	Tue, Aug 5, 2014	39.61	40.21	39.21	39.75
4077	NASDAQ	IOSP	Mon, Aug 4, 2014	39.67	40.16	39.13	40.01
4076	NASDAQ	IOSP	Fri, Aug 1, 2014	40.38	40.56	39.25	39.49
4075	NASDAQ	IOSP	Thu, Jul 31, 2014	39.94	41.19	39.94	40.21
4074	NASDAQ	IOSP	Wed, Jul 30, 2014	40.39	40.92	39.78	40.50
4073	NASDAQ	IOSP	Tue, Jul 29, 2014	40.41	40.64	39.95	39.96
4072	NASDAQ	IOSP	Mon, Jul 28, 2014	40.58	40.60	39.98	40.35
4071	NASDAQ	IOSP	Fri, Jul 25, 2014	40.47	41.00	40.28	40.45
4070	NASDAQ	IOSP	Thu, Jul 24, 2014	41.07	41.29	40.61	40.81
4069	NASDAQ	IOSP	Wed, Jul 23, 2014	41.24	41.36	40.74	41.01
4068	NASDAQ	IOSP	Tue, Jul 22, 2014	40.95	41.22	40.72	41.15
4067	NASDAQ	IOSP	Mon, Jul 21, 2014	41.12	41.42	40.41	40.70
4066	NASDAQ	IOSP	Fri, Jul 18, 2014	41.01	41.77	41.01	41.42
4065	NASDAQ	IOSP	Thu, Jul 17, 2014	41.39	41.76	40.89	41.13
4064	NASDAQ	IOSP	Wed, Jul 16, 2014	42.01	42.09	41.28	41.72
4063	NASDAQ	IOSP	Tue, Jul 15, 2014	42.34	42.56	41.20	41.69
4062	NASDAQ	IOSP	Mon, Jul 14, 2014	42.04	42.51	41.80	42.23
4061	NASDAQ	IOSP	Fri, Jul 11, 2014	41.38	41.70	41.18	41.62
4060	NASDAQ	IOSP	Thu, Jul 10, 2014	41.58	42.00	41.26	41.50
4059	NASDAQ	IOSP	Wed, Jul 9, 2014	43.03	43.27	42.31	42.42
4058	NASDAQ	IOSP	Tue, Jul 8, 2014	43.04	43.08	42.49	42.84
4057	NASDAQ	IOSP	Mon, Jul 7, 2014	44.00	44.00	42.99	43.13
4056	NASDAQ	IOSP	Thu, Jul 3, 2014	43.37	44.24	43.19	44.11
4055	NASDAQ	IOSP	Wed, Jul 2, 2014	43.63	44.01	42.60	43.34
4054	NASDAQ	IOSP	Tue, Jul 1, 2014	43.26	44.17	43.21	43.82
4053	NASDAQ	IOSP	Mon, Jun 30, 2014	43.23	43.53	43.04	43.17
4052	NASDAQ	IOSP	Fri, Jun 27, 2014	42.33	43.33	42.32	43.25
4051	NASDAQ	IOSP	Thu, Jun 26, 2014	42.74	43.01	42.41	42.74
4050	NASDAQ	IOSP	Wed, Jun 25, 2014	42.17	42.70	42.17	42.60
4049	NASDAQ	IOSP	Tue, Jun 24, 2014	42.57	43.17	42.15	42.24
4048	NASDAQ	IOSP	Mon, Jun 23, 2014	43.04	43.07	42.68	42.76
4047	NASDAQ	IOSP	Fri, Jun 20, 2014	43.32	43.32	42.44	43.07
4046	NASDAQ	IOSP	Thu, Jun 19, 2014	43.17	43.53	42.80	43.06
4045	NASDAQ	IOSP	Wed, Jun 18, 2014	42.66	43.18	42.25	43.08
4044	NASDAQ	IOSP	Tue, Jun 17, 2014	42.36	42.88	42.25	42.76
4043	NASDAQ	IOSP	Mon, Jun 16, 2014	42.72	42.85	42.03	42.53
4042	NASDAQ	IOSP	Fri, Jun 13, 2014	43.02	43.02	42.27	42.67
4041	NASDAQ	IOSP	Thu, Jun 12, 2014	42.98	43.02	42.26	42.87
4040	NASDAQ	IOSP	Wed, Jun 11, 2014	43.51	43.92	42.74	43.08
4039	NASDAQ	IOSP	Tue, Jun 10, 2014	44.01	44.01	43.37	43.59
4038	NASDAQ	IOSP	Mon, Jun 9, 2014	43.40	44.25	43.29	44.03
4037	NASDAQ	IOSP	Fri, Jun 6, 2014	42.81	43.69	42.50	43.54
4036	NASDAQ	IOSP	Thu, Jun 5, 2014	41.50	42.80	41.19	42.54
4035	NASDAQ	IOSP	Wed, Jun 4, 2014	41.25	41.72	40.82	41.39
4034	NASDAQ	IOSP	Tue, Jun 3, 2014	41.57	41.91	41.10	41.46
4033	NASDAQ	IOSP	Mon, Jun 2, 2014	42.01	42.20	41.50	41.76
4032	NASDAQ	IOSP	Fri, May 30, 2014	41.93	42.41	41.56	42.17
4031	NASDAQ	IOSP	Thu, May 29, 2014	41.61	41.89	41.20	41.80
4030	NASDAQ	IOSP	Wed, May 28, 2014	41.63	42.24	41.19	41.36
4029	NASDAQ	IOSP	Tue, May 27, 2014	42.43	42.81	41.29	41.82
4028	NASDAQ	IOSP	Fri, May 23, 2014	41.45	42.28	40.70	42.18
4027	NASDAQ	IOSP	Thu, May 22, 2014	41.38	41.53	41.12	41.40
4026	NASDAQ	IOSP	Wed, May 21, 2014	41.23	41.83	40.73	41.38
4025	NASDAQ	IOSP	Tue, May 20, 2014	41.50	41.56	40.60	41.19
4024	NASDAQ	IOSP	Mon, May 19, 2014	40.90	41.92	40.90	41.42
4023	NASDAQ	IOSP	Fri, May 16, 2014	40.98	42.42	40.63	41.17
4022	NASDAQ	IOSP	Thu, May 15, 2014	41.30	41.30	40.30	41.10
4021	NASDAQ	IOSP	Wed, May 14, 2014	43.38	43.45	41.74	41.82
4020	NASDAQ	IOSP	Tue, May 13, 2014	43.21	44.30	43.14	43.60
4019	NASDAQ	IOSP	Mon, May 12, 2014	42.26	43.52	41.90	43.44
4018	NASDAQ	IOSP	Fri, May 9, 2014	41.11	42.04	41.06	41.92
4017	NASDAQ	IOSP	Thu, May 8, 2014	42.52	42.52	41.25	41.38
4016	NASDAQ	IOSP	Wed, May 7, 2014	41.56	42.67	39.98	42.42
4015	NASDAQ	IOSP	Tue, May 6, 2014	42.74	43.25	41.87	42.08
4014	NASDAQ	IOSP	Mon, May 5, 2014	42.62	43.17	42.55	43.02
4013	NASDAQ	IOSP	Fri, May 2, 2014	43.00	43.56	42.57	42.85
4012	NASDAQ	IOSP	Thu, May 1, 2014	42.80	43.17	42.17	43.01
4011	NASDAQ	IOSP	Wed, Apr 30, 2014	42.91	43.22	42.21	43.06
4010	NASDAQ	IOSP	Tue, Apr 29, 2014	43.75	43.99	42.86	42.95
4009	NASDAQ	IOSP	Mon, Apr 28, 2014	44.20	44.56	43.00	43.39
4008	NASDAQ	IOSP	Fri, Apr 25, 2014	44.09	44.48	43.69	43.98
4007	NASDAQ	IOSP	Thu, Apr 24, 2014	44.60	44.74	43.98	44.41
4006	NASDAQ	IOSP	Wed, Apr 23, 2014	44.47	44.80	44.21	44.31
4005	NASDAQ	IOSP	Tue, Apr 22, 2014	44.41	44.81	44.29	44.61
4004	NASDAQ	IOSP	Mon, Apr 21, 2014	44.61	45.11	44.13	44.61
4003	NASDAQ	IOSP	Thu, Apr 17, 2014	44.60	45.21	44.41	44.71
4002	NASDAQ	IOSP	Wed, Apr 16, 2014	44.76	45.10	44.15	44.71
4001	NASDAQ	IOSP	Tue, Apr 15, 2014	43.86	44.72	43.32	44.28
4000	NASDAQ	IOSP	Mon, Apr 14, 2014	44.30	44.30	43.34	43.65
3999	NASDAQ	IOSP	Fri, Apr 11, 2014	43.73	44.85	43.54	43.75
3998	NASDAQ	IOSP	Thu, Apr 10, 2014	44.80	45.29	43.83	44.15
3997	NASDAQ	IOSP	Wed, Apr 9, 2014	44.90	45.05	43.80	44.86
3996	NASDAQ	IOSP	Tue, Apr 8, 2014	43.99	45.22	43.99	44.88
3995	NASDAQ	IOSP	Mon, Apr 7, 2014	45.43	45.56	43.73	44.00
3994	NASDAQ	IOSP	Fri, Apr 4, 2014	46.54	46.54	45.34	45.74
3993	NASDAQ	IOSP	Thu, Apr 3, 2014	46.28	46.32	45.60	46.15
3992	NASDAQ	IOSP	Wed, Apr 2, 2014	45.47	46.40	44.85	46.15
3991	NASDAQ	IOSP	Tue, Apr 1, 2014	45.14	46.17	44.79	45.51
3990	NASDAQ	IOSP	Mon, Mar 31, 2014	44.52	45.51	44.03	45.23
3989	NASDAQ	IOSP	Fri, Mar 28, 2014	44.14	45.31	43.81	44.15
3988	NASDAQ	IOSP	Thu, Mar 27, 2014	43.63	44.58	43.10	44.19
3987	NASDAQ	IOSP	Wed, Mar 26, 2014	44.56	45.04	43.41	43.50
3986	NASDAQ	IOSP	Tue, Mar 25, 2014	45.17	46.09	44.15	44.55
3985	NASDAQ	IOSP	Mon, Mar 24, 2014	44.97	45.55	44.25	44.83
3984	NASDAQ	IOSP	Fri, Mar 21, 2014	44.87	45.87	43.87	44.78
3983	NASDAQ	IOSP	Thu, Mar 20, 2014	44.18	46.64	43.90	44.42
3982	NASDAQ	IOSP	Wed, Mar 19, 2014	45.17	45.49	43.84	44.18
3981	NASDAQ	IOSP	Tue, Mar 18, 2014	44.31	45.51	44.11	45.34
3980	NASDAQ	IOSP	Mon, Mar 17, 2014	44.24	44.74	43.83	44.15
3979	NASDAQ	IOSP	Fri, Mar 14, 2014	45.14	45.75	43.50	44.08
3978	NASDAQ	IOSP	Thu, Mar 13, 2014	45.93	46.49	45.31	45.42
3977	NASDAQ	IOSP	Wed, Mar 12, 2014	44.85	45.77	44.85	45.70
3976	NASDAQ	IOSP	Tue, Mar 11, 2014	46.01	46.30	45.00	45.20
3975	NASDAQ	IOSP	Mon, Mar 10, 2014	45.23	46.49	45.16	45.81
3974	NASDAQ	IOSP	Fri, Mar 7, 2014	45.26	46.17	44.93	45.52
3973	NASDAQ	IOSP	Thu, Mar 6, 2014	44.18	45.09	44.16	44.89
3972	NASDAQ	IOSP	Wed, Mar 5, 2014	43.88	44.55	43.68	44.16
3971	NASDAQ	IOSP	Tue, Mar 4, 2014	43.20	44.57	43.18	44.08
3970	NASDAQ	IOSP	Mon, Mar 3, 2014	43.18	43.32	42.17	42.57
3969	NASDAQ	IOSP	Fri, Feb 28, 2014	43.69	44.17	43.19	43.51
3968	NASDAQ	IOSP	Thu, Feb 27, 2014	43.41	43.66	42.86	43.64
3967	NASDAQ	IOSP	Wed, Feb 26, 2014	43.04	43.81	43.00	43.70
3966	NASDAQ	IOSP	Tue, Feb 25, 2014	43.79	44.18	42.90	43.07
3965	NASDAQ	IOSP	Mon, Feb 24, 2014	43.70	44.10	43.34	43.96
3964	NASDAQ	IOSP	Fri, Feb 21, 2014	44.50	44.50	43.87	43.92
3963	NASDAQ	IOSP	Thu, Feb 20, 2014	43.52	44.54	43.52	44.27
3962	NASDAQ	IOSP	Wed, Feb 19, 2014	44.00	44.37	43.55	43.74
3961	NASDAQ	IOSP	Tue, Feb 18, 2014	44.82	45.84	43.80	44.28
3960	NASDAQ	IOSP	Fri, Feb 14, 2014	46.05	46.05	43.60	44.76
3959	NASDAQ	IOSP	Thu, Feb 13, 2014	43.00	47.50	43.00	46.03
3958	NASDAQ	IOSP	Wed, Feb 12, 2014	43.60	43.69	42.61	42.99
3957	NASDAQ	IOSP	Tue, Feb 11, 2014	42.35	43.80	42.38	43.67
3956	NASDAQ	IOSP	Mon, Feb 10, 2014	42.39	42.63	41.75	42.40
3955	NASDAQ	IOSP	Fri, Feb 7, 2014	41.41	42.57	41.15	42.49
3954	NASDAQ	IOSP	Thu, Feb 6, 2014	41.00	41.45	40.72	41.30
3953	NASDAQ	IOSP	Wed, Feb 5, 2014	41.53	41.67	41.00	41.01
3952	NASDAQ	IOSP	Tue, Feb 4, 2014	41.78	42.40	41.21	41.68
3951	NASDAQ	IOSP	Mon, Feb 3, 2014	42.54	43.20	41.52	41.80
3950	NASDAQ	IOSP	Fri, Jan 31, 2014	42.22	43.25	42.22	42.84
3949	NASDAQ	IOSP	Thu, Jan 30, 2014	42.96	43.86	42.74	42.96
3948	NASDAQ	IOSP	Wed, Jan 29, 2014	42.78	43.13	42.29	42.61
3947	NASDAQ	IOSP	Tue, Jan 28, 2014	42.92	43.19	42.66	43.15
3946	NASDAQ	IOSP	Mon, Jan 27, 2014	43.33	43.33	42.46	42.90
3945	NASDAQ	IOSP	Fri, Jan 24, 2014	42.60	42.90	42.32	42.58
3944	NASDAQ	IOSP	Thu, Jan 23, 2014	43.53	43.53	42.22	42.68
3943	NASDAQ	IOSP	Wed, Jan 22, 2014	44.02	44.02	43.45	43.68
3942	NASDAQ	IOSP	Tue, Jan 21, 2014	44.59	44.80	43.75	43.85
3941	NASDAQ	IOSP	Fri, Jan 17, 2014	44.83	44.88	44.32	44.37
3940	NASDAQ	IOSP	Thu, Jan 16, 2014	45.33	45.33	44.85	45.03
3939	NASDAQ	IOSP	Wed, Jan 15, 2014	45.35	46.31	44.92	45.30
3938	NASDAQ	IOSP	Tue, Jan 14, 2014	45.56	45.63	44.83	45.32
3937	NASDAQ	IOSP	Mon, Jan 13, 2014	45.07	45.72	45.04	45.24
3936	NASDAQ	IOSP	Fri, Jan 10, 2014	45.42	45.49	44.95	45.39
3935	NASDAQ	IOSP	Thu, Jan 9, 2014	45.39	45.82	45.00	45.25
3934	NASDAQ	IOSP	Wed, Jan 8, 2014	44.91	45.21	44.41	45.04
3933	NASDAQ	IOSP	Tue, Jan 7, 2014	44.93	45.29	44.58	44.85
3932	NASDAQ	IOSP	Mon, Jan 6, 2014	45.72	46.11	44.32	44.80
3931	NASDAQ	IOSP	Fri, Jan 3, 2014	45.75	45.89	45.22	45.64
3930	NASDAQ	IOSP	Thu, Jan 2, 2014	46.00	46.37	45.27	45.74
3929	NASDAQ	IOSP	Tue, Dec 31, 2013	46.95	47.25	46.00	46.22
3928	NASDAQ	IOSP	Mon, Dec 30, 2013	46.87	47.76	46.50	47.04
3927	NASDAQ	IOSP	Fri, Dec 27, 2013	46.92	47.93	46.34	46.78
3926	NASDAQ	IOSP	Thu, Dec 26, 2013	46.00	47.14	45.59	46.73
3925	NASDAQ	IOSP	Tue, Dec 24, 2013	45.80	46.25	45.70	45.92
3924	NASDAQ	IOSP	Mon, Dec 23, 2013	46.55	47.59	45.37	45.81
3923	NASDAQ	IOSP	Fri, Dec 20, 2013	45.02	47.07	44.88	46.28
3922	NASDAQ	IOSP	Thu, Dec 19, 2013	45.46	46.07	44.68	44.79
3921	NASDAQ	IOSP	Wed, Dec 18, 2013	44.68	45.67	44.16	45.52
3920	NASDAQ	IOSP	Tue, Dec 17, 2013	43.90	44.89	43.47	44.69
3919	NASDAQ	IOSP	Mon, Dec 16, 2013	43.73	44.71	43.60	44.21
3918	NASDAQ	IOSP	Fri, Dec 13, 2013	44.08	44.35	43.33	43.55
3917	NASDAQ	IOSP	Thu, Dec 12, 2013	43.37	45.51	43.13	43.85
3916	NASDAQ	IOSP	Wed, Dec 11, 2013	44.51	44.56	43.02	43.39
3915	NASDAQ	IOSP	Tue, Dec 10, 2013	44.48	44.92	44.28	44.57
3914	NASDAQ	IOSP	Mon, Dec 9, 2013	45.61	45.68	43.60	44.68
3913	NASDAQ	IOSP	Fri, Dec 6, 2013	44.54	45.79	44.14	45.43
3912	NASDAQ	IOSP	Thu, Dec 5, 2013	45.09	45.19	43.73	44.06
3911	NASDAQ	IOSP	Wed, Dec 4, 2013	45.81	46.02	44.85	45.10
3910	NASDAQ	IOSP	Tue, Dec 3, 2013	47.84	48.24	45.40	45.89
3909	NASDAQ	IOSP	Mon, Dec 2, 2013	48.50	49.41	47.99	48.13
3908	NASDAQ	IOSP	Fri, Nov 29, 2013	48.48	49.07	48.02	48.71
3907	NASDAQ	IOSP	Wed, Nov 27, 2013	47.36	48.24	46.83	48.00
3906	NASDAQ	IOSP	Tue, Nov 26, 2013	45.84	47.69	45.55	47.17
3905	NASDAQ	IOSP	Mon, Nov 25, 2013	46.26	46.50	45.61	45.73
3904	NASDAQ	IOSP	Fri, Nov 22, 2013	46.43	46.43	45.48	46.06
3903	NASDAQ	IOSP	Thu, Nov 21, 2013	45.73	46.40	45.43	46.22
3902	NASDAQ	IOSP	Wed, Nov 20, 2013	46.14	46.14	44.26	45.40
3901	NASDAQ	IOSP	Tue, Nov 19, 2013	46.00	46.73	45.90	46.14
3900	NASDAQ	IOSP	Mon, Nov 18, 2013	46.60	46.88	45.79	45.97
3899	NASDAQ	IOSP	Fri, Nov 15, 2013	45.80	46.63	45.72	46.60
3898	NASDAQ	IOSP	Thu, Nov 14, 2013	45.59	46.09	45.44	45.87
3897	NASDAQ	IOSP	Wed, Nov 13, 2013	45.75	46.05	45.10	45.88
3896	NASDAQ	IOSP	Tue, Nov 12, 2013	45.75	46.00	45.25	45.82
3895	NASDAQ	IOSP	Mon, Nov 11, 2013	45.64	46.24	45.45	46.02
3894	NASDAQ	IOSP	Fri, Nov 8, 2013	45.07	45.82	45.07	45.69
3893	NASDAQ	IOSP	Thu, Nov 7, 2013	45.89	46.45	44.88	45.07
3892	NASDAQ	IOSP	Wed, Nov 6, 2013	45.24	46.34	43.00	45.67
3891	NASDAQ	IOSP	Tue, Nov 5, 2013	46.37	46.70	45.48	45.72
3890	NASDAQ	IOSP	Mon, Nov 4, 2013	45.80	47.18	45.06	46.89
3889	NASDAQ	IOSP	Fri, Nov 1, 2013	45.91	46.00	45.11	45.56
3888	NASDAQ	IOSP	Thu, Oct 31, 2013	47.36	47.54	45.95	46.00
3887	NASDAQ	IOSP	Wed, Oct 30, 2013	48.05	48.16	47.31	47.36
3886	NASDAQ	IOSP	Tue, Oct 29, 2013	47.55	48.42	47.54	48.05
3885	NASDAQ	IOSP	Mon, Oct 28, 2013	46.43	47.68	45.52	47.24
3884	NASDAQ	IOSP	Fri, Oct 25, 2013	46.88	46.94	44.00	46.44
3883	NASDAQ	IOSP	Thu, Oct 24, 2013	47.09	46.95	46.60	46.69
3882	NASDAQ	IOSP	Wed, Oct 23, 2013	47.23	47.82	46.91	46.95
3881	NASDAQ	IOSP	Tue, Oct 22, 2013	46.97	47.79	46.15	47.60
3880	NASDAQ	IOSP	Mon, Oct 21, 2013	47.28	47.39	45.86	46.57
3879	NASDAQ	IOSP	Fri, Oct 18, 2013	46.00	47.42	45.04	47.38
3878	NASDAQ	IOSP	Thu, Oct 17, 2013	45.05	45.70	45.02	45.51
3877	NASDAQ	IOSP	Wed, Oct 16, 2013	46.20	46.20	45.41	45.43
3876	NASDAQ	IOSP	Tue, Oct 15, 2013	46.25	46.29	45.60	45.78
3875	NASDAQ	IOSP	Mon, Oct 14, 2013	45.70	46.48	45.66	46.31
3874	NASDAQ	IOSP	Fri, Oct 11, 2013	45.59	46.40	44.61	46.17
3873	NASDAQ	IOSP	Thu, Oct 10, 2013	43.59	44.86	43.30	44.84
3872	NASDAQ	IOSP	Wed, Oct 9, 2013	43.60	43.64	42.72	43.05
3871	NASDAQ	IOSP	Tue, Oct 8, 2013	44.60	44.77	43.02	43.45
3870	NASDAQ	IOSP	Mon, Oct 7, 2013	45.15	45.30	44.50	44.61
3869	NASDAQ	IOSP	Fri, Oct 4, 2013	44.62	45.86	44.22	45.45
3868	NASDAQ	IOSP	Thu, Oct 3, 2013	46.29	46.59	44.41	44.73
3867	NASDAQ	IOSP	Wed, Oct 2, 2013	46.45	46.70	46.05	46.45
3866	NASDAQ	IOSP	Tue, Oct 1, 2013	46.50	46.92	46.27	46.71
3865	NASDAQ	IOSP	Mon, Sep 30, 2013	45.03	46.74	45.03	46.66
3864	NASDAQ	IOSP	Fri, Sep 27, 2013	45.10	45.74	44.02	45.57
3863	NASDAQ	IOSP	Thu, Sep 26, 2013	45.44	46.02	45.38	45.59
3862	NASDAQ	IOSP	Wed, Sep 25, 2013	45.95	46.26	45.37	45.44
3861	NASDAQ	IOSP	Tue, Sep 24, 2013	45.97	46.08	45.40	45.95
3860	NASDAQ	IOSP	Mon, Sep 23, 2013	45.81	46.05	45.68	45.97
3859	NASDAQ	IOSP	Fri, Sep 20, 2013	46.00	46.00	45.69	45.94
3858	NASDAQ	IOSP	Thu, Sep 19, 2013	46.00	46.31	45.65	46.06
3857	NASDAQ	IOSP	Wed, Sep 18, 2013	45.79	46.00	45.40	46.00
3856	NASDAQ	IOSP	Tue, Sep 17, 2013	45.73	46.00	45.44	45.86
3855	NASDAQ	IOSP	Mon, Sep 16, 2013	45.08	46.06	44.72	45.73
3854	NASDAQ	IOSP	Fri, Sep 13, 2013	43.71	43.98	43.32	43.98
3853	NASDAQ	IOSP	Thu, Sep 12, 2013	43.36	43.73	43.32	43.45
3852	NASDAQ	IOSP	Wed, Sep 11, 2013	43.17	43.70	43.28	43.53
3851	NASDAQ	IOSP	Tue, Sep 10, 2013	43.23	43.49	42.39	43.28
3850	NASDAQ	IOSP	Mon, Sep 9, 2013	43.17	43.63	42.87	43.11
3849	NASDAQ	IOSP	Fri, Sep 6, 2013	43.63	44.00	42.20	42.99
3848	NASDAQ	IOSP	Thu, Sep 5, 2013	42.61	43.75	42.23	43.21
3847	NASDAQ	IOSP	Wed, Sep 4, 2013	41.29	42.61	40.89	42.60
3846	NASDAQ	IOSP	Tue, Sep 3, 2013	41.43	41.91	40.50	41.20
3845	NASDAQ	IOSP	Fri, Aug 30, 2013	41.01	42.10	40.76	40.92
3844	NASDAQ	IOSP	Thu, Aug 29, 2013	40.50	44.53	40.26	41.19
3843	NASDAQ	IOSP	Wed, Aug 28, 2013	40.62	41.00	40.34	40.61
3842	NASDAQ	IOSP	Tue, Aug 27, 2013	40.95	41.36	40.51	40.63
3841	NASDAQ	IOSP	Mon, Aug 26, 2013	41.19	42.13	40.76	41.36
3840	NASDAQ	IOSP	Fri, Aug 23, 2013	41.22	41.47	40.90	41.20
3839	NASDAQ	IOSP	Thu, Aug 22, 2013	40.87	41.29	40.57	41.22
3838	NASDAQ	IOSP	Wed, Aug 21, 2013	41.41	41.51	40.32	40.63
3837	NASDAQ	IOSP	Tue, Aug 20, 2013	41.61	42.06	41.26	41.68
3836	NASDAQ	IOSP	Mon, Aug 19, 2013	41.92	42.23	41.47	41.54
3835	NASDAQ	IOSP	Fri, Aug 16, 2013	42.16	42.45	41.60	41.81
3834	NASDAQ	IOSP	Thu, Aug 15, 2013	43.00	43.52	42.34	42.45
3833	NASDAQ	IOSP	Wed, Aug 14, 2013	43.55	43.91	43.42	43.54
3832	NASDAQ	IOSP	Tue, Aug 13, 2013	43.04	43.57	42.87	43.43
3831	NASDAQ	IOSP	Mon, Aug 12, 2013	42.69	43.20	42.69	43.14
3830	NASDAQ	IOSP	Fri, Aug 9, 2013	42.87	43.27	42.57	42.99
3829	NASDAQ	IOSP	Thu, Aug 8, 2013	43.36	43.36	42.89	43.00
3828	NASDAQ	IOSP	Wed, Aug 7, 2013	42.70	43.01	42.47	42.82
3827	NASDAQ	IOSP	Tue, Aug 6, 2013	43.10	43.20	42.61	42.89
3826	NASDAQ	IOSP	Mon, Aug 5, 2013	42.97	43.14	42.60	43.05
3825	NASDAQ	IOSP	Fri, Aug 2, 2013	43.50	43.55	42.89	42.92
3824	NASDAQ	IOSP	Thu, Aug 1, 2013	43.19	43.50	42.94	43.47
3823	NASDAQ	IOSP	Wed, Jul 31, 2013	43.16	43.26	42.50	42.92
3822	NASDAQ	IOSP	Tue, Jul 30, 2013	42.91	43.11	42.64	43.10
3821	NASDAQ	IOSP	Mon, Jul 29, 2013	43.37	43.64	41.88	42.94
3820	NASDAQ	IOSP	Fri, Jul 26, 2013	44.18	44.18	42.89	43.36
3819	NASDAQ	IOSP	Thu, Jul 25, 2013	43.55	44.84	43.45	44.60
3818	NASDAQ	IOSP	Wed, Jul 24, 2013	43.81	43.95	43.49	43.58
3817	NASDAQ	IOSP	Tue, Jul 23, 2013	43.63	43.85	43.25	43.70
3816	NASDAQ	IOSP	Mon, Jul 22, 2013	43.07	43.51	43.07	43.46
3815	NASDAQ	IOSP	Fri, Jul 19, 2013	42.99	43.49	42.99	43.33
3814	NASDAQ	IOSP	Thu, Jul 18, 2013	43.00	43.50	42.32	43.07
3813	NASDAQ	IOSP	Wed, Jul 17, 2013	43.09	43.35	42.88	43.00
3812	NASDAQ	IOSP	Tue, Jul 16, 2013	42.78	42.95	42.49	42.76
3811	NASDAQ	IOSP	Mon, Jul 15, 2013	42.82	43.32	42.56	42.80
3810	NASDAQ	IOSP	Fri, Jul 12, 2013	42.69	42.75	42.31	42.67
3809	NASDAQ	IOSP	Thu, Jul 11, 2013	42.89	42.89	42.30	42.59
3808	NASDAQ	IOSP	Wed, Jul 10, 2013	42.53	42.86	42.23	42.36
3807	NASDAQ	IOSP	Tue, Jul 9, 2013	42.65	43.03	42.23	42.45
3806	NASDAQ	IOSP	Mon, Jul 8, 2013	41.66	42.53	41.65	42.42
3805	NASDAQ	IOSP	Fri, Jul 5, 2013	41.58	41.64	41.23	41.63
3804	NASDAQ	IOSP	Wed, Jul 3, 2013	41.13	41.13	40.59	41.07
3803	NASDAQ	IOSP	Tue, Jul 2, 2013	40.85	41.05	40.58	41.05
3802	NASDAQ	IOSP	Mon, Jul 1, 2013	40.60	41.40	39.85	40.75
3801	NASDAQ	IOSP	Fri, Jun 28, 2013	40.17	40.95	40.10	40.18
3800	NASDAQ	IOSP	Thu, Jun 27, 2013	40.50	40.50	40.04	40.35
3799	NASDAQ	IOSP	Wed, Jun 26, 2013	40.50	40.52	39.98	40.16
3798	NASDAQ	IOSP	Tue, Jun 25, 2013	40.43	40.50	39.71	40.23
3797	NASDAQ	IOSP	Mon, Jun 24, 2013	40.07	40.35	39.27	39.93
3796	NASDAQ	IOSP	Fri, Jun 21, 2013	40.45	40.86	40.03	40.26
3795	NASDAQ	IOSP	Thu, Jun 20, 2013	41.44	41.44	40.08	40.36
3794	NASDAQ	IOSP	Wed, Jun 19, 2013	42.21	42.63	41.85	41.96
3793	NASDAQ	IOSP	Tue, Jun 18, 2013	41.67	42.23	41.04	42.16
3792	NASDAQ	IOSP	Mon, Jun 17, 2013	41.89	42.03	41.40	41.50
3791	NASDAQ	IOSP	Fri, Jun 14, 2013	42.58	42.58	40.87	41.37
3790	NASDAQ	IOSP	Thu, Jun 13, 2013	41.79	42.87	41.66	42.58
3789	NASDAQ	IOSP	Wed, Jun 12, 2013	41.88	42.16	41.47	41.76
3788	NASDAQ	IOSP	Tue, Jun 11, 2013	41.78	42.06	41.15	41.66
3787	NASDAQ	IOSP	Mon, Jun 10, 2013	42.02	42.42	41.49	42.31
3786	NASDAQ	IOSP	Fri, Jun 7, 2013	41.72	42.12	41.24	41.72
3785	NASDAQ	IOSP	Thu, Jun 6, 2013	41.04	41.38	40.74	41.23
3784	NASDAQ	IOSP	Wed, Jun 5, 2013	41.24	41.53	40.76	40.95
3783	NASDAQ	IOSP	Tue, Jun 4, 2013	40.94	41.45	40.54	41.43
3782	NASDAQ	IOSP	Mon, Jun 3, 2013	40.98	41.25	40.28	40.75
3781	NASDAQ	IOSP	Fri, May 31, 2013	41.52	42.39	40.78	41.03
3780	NASDAQ	IOSP	Thu, May 30, 2013	41.57	42.13	41.09	41.92
3779	NASDAQ	IOSP	Wed, May 29, 2013	41.57	41.86	41.06	41.44
3778	NASDAQ	IOSP	Tue, May 28, 2013	41.51	42.29	40.98	41.96
3777	NASDAQ	IOSP	Fri, May 24, 2013	40.71	41.34	40.40	41.00
3776	NASDAQ	IOSP	Thu, May 23, 2013	40.95	41.30	40.40	40.94
3775	NASDAQ	IOSP	Wed, May 22, 2013	41.14	41.47	40.76	41.21
3774	NASDAQ	IOSP	Tue, May 21, 2013	41.28	41.51	40.76	41.14
3773	NASDAQ	IOSP	Mon, May 20, 2013	40.85	41.69	40.72	41.30
3772	NASDAQ	IOSP	Fri, May 17, 2013	41.15	41.68	40.64	41.15
3771	NASDAQ	IOSP	Thu, May 16, 2013	40.70	41.12	40.69	40.85
3770	NASDAQ	IOSP	Wed, May 15, 2013	40.43	41.06	40.57	40.85
3769	NASDAQ	IOSP	Tue, May 14, 2013	40.25	40.80	39.95	40.58
3768	NASDAQ	IOSP	Mon, May 13, 2013	40.57	40.95	40.08	40.16
3767	NASDAQ	IOSP	Fri, May 10, 2013	40.81	41.10	40.56	40.72
3766	NASDAQ	IOSP	Thu, May 9, 2013	40.95	41.29	40.55	40.70
3765	NASDAQ	IOSP	Wed, May 8, 2013	41.79	41.99	40.95	41.22
3764	NASDAQ	IOSP	Tue, May 7, 2013	43.25	43.25	40.81	42.09
3763	NASDAQ	IOSP	Mon, May 6, 2013	43.87	44.18	43.25	43.42
3762	NASDAQ	IOSP	Fri, May 3, 2013	43.42	44.21	43.42	43.67
3761	NASDAQ	IOSP	Thu, May 2, 2013	42.20	43.26	42.12	42.75
3760	NASDAQ	IOSP	Wed, May 1, 2013	43.81	44.01	41.83	41.85
3759	NASDAQ	IOSP	Tue, Apr 30, 2013	43.80	44.13	43.61	44.01
3758	NASDAQ	IOSP	Mon, Apr 29, 2013	43.38	43.92	43.30	43.81
3757	NASDAQ	IOSP	Fri, Apr 26, 2013	43.80	44.19	42.97	43.23
3756	NASDAQ	IOSP	Thu, Apr 25, 2013	43.68	44.17	43.40	43.84
3755	NASDAQ	IOSP	Wed, Apr 24, 2013	43.23	43.58	43.11	43.48
3754	NASDAQ	IOSP	Tue, Apr 23, 2013	43.09	43.35	42.50	43.30
3753	NASDAQ	IOSP	Mon, Apr 22, 2013	42.08	42.75	41.39	42.56
3752	NASDAQ	IOSP	Fri, Apr 19, 2013	40.50	41.86	40.41	41.85
3751	NASDAQ	IOSP	Thu, Apr 18, 2013	41.20	41.25	40.36	40.70
3750	NASDAQ	IOSP	Wed, Apr 17, 2013	40.98	41.33	40.39	40.99
3749	NASDAQ	IOSP	Tue, Apr 16, 2013	40.74	41.49	40.36	41.36
3748	NASDAQ	IOSP	Mon, Apr 15, 2013	42.77	42.77	40.03	40.25
3747	NASDAQ	IOSP	Fri, Apr 12, 2013	43.34	43.54	42.62	42.85
3746	NASDAQ	IOSP	Thu, Apr 11, 2013	43.20	43.98	43.20	43.37
3745	NASDAQ	IOSP	Wed, Apr 10, 2013	42.77	43.16	42.50	43.14
3744	NASDAQ	IOSP	Tue, Apr 9, 2013	42.81	42.90	42.31	42.41
3743	NASDAQ	IOSP	Mon, Apr 8, 2013	41.79	42.39	41.37	42.38
3742	NASDAQ	IOSP	Fri, Apr 5, 2013	41.11	42.36	40.78	41.53
3741	NASDAQ	IOSP	Thu, Apr 4, 2013	42.16	42.16	41.70	41.88
3740	NASDAQ	IOSP	Wed, Apr 3, 2013	43.21	43.30	41.65	41.87
3739	NASDAQ	IOSP	Tue, Apr 2, 2013	44.25	44.25	43.01	43.20
3738	NASDAQ	IOSP	Mon, Apr 1, 2013	44.38	45.18	43.73	43.99
3737	NASDAQ	IOSP	Thu, Mar 28, 2013	44.22	44.54	44.07	44.28
3736	NASDAQ	IOSP	Wed, Mar 27, 2013	43.49	44.20	43.28	44.09
3735	NASDAQ	IOSP	Tue, Mar 26, 2013	44.01	44.04	43.53	43.85
3734	NASDAQ	IOSP	Mon, Mar 25, 2013	43.73	44.00	43.57	43.84
3733	NASDAQ	IOSP	Fri, Mar 22, 2013	43.97	44.00	43.41	43.69
3732	NASDAQ	IOSP	Thu, Mar 21, 2013	43.66	44.17	43.63	43.82
3731	NASDAQ	IOSP	Wed, Mar 20, 2013	43.97	44.09	43.78	44.00
3730	NASDAQ	IOSP	Tue, Mar 19, 2013	43.58	43.74	43.30	43.68
3729	NASDAQ	IOSP	Mon, Mar 18, 2013	43.03	43.77	43.03	43.56
3728	NASDAQ	IOSP	Fri, Mar 15, 2013	43.60	44.07	43.25	43.61
3727	NASDAQ	IOSP	Thu, Mar 14, 2013	42.79	43.34	42.46	43.27
3726	NASDAQ	IOSP	Wed, Mar 13, 2013	42.64	42.86	42.45	42.76
3725	NASDAQ	IOSP	Tue, Mar 12, 2013	42.47	42.72	42.40	42.53
3724	NASDAQ	IOSP	Mon, Mar 11, 2013	42.18	42.65	41.99	42.43
3723	NASDAQ	IOSP	Fri, Mar 8, 2013	42.50	42.57	42.08	42.48
3722	NASDAQ	IOSP	Thu, Mar 7, 2013	41.55	42.92	41.55	42.05
3721	NASDAQ	IOSP	Wed, Mar 6, 2013	42.12	42.13	41.48	41.86
3720	NASDAQ	IOSP	Tue, Mar 5, 2013	41.60	42.06	41.30	41.90
3719	NASDAQ	IOSP	Mon, Mar 4, 2013	41.15	41.63	40.76	41.28
3718	NASDAQ	IOSP	Fri, Mar 1, 2013	39.85	41.45	39.53	41.34
3717	NASDAQ	IOSP	Thu, Feb 28, 2013	40.15	40.61	39.75	40.25
3716	NASDAQ	IOSP	Wed, Feb 27, 2013	39.02	40.43	39.02	40.25
3715	NASDAQ	IOSP	Tue, Feb 26, 2013	38.79	39.25	38.43	39.14
3714	NASDAQ	IOSP	Mon, Feb 25, 2013	39.66	39.66	38.45	38.55
3713	NASDAQ	IOSP	Fri, Feb 22, 2013	39.24	39.48	38.92	39.44
3712	NASDAQ	IOSP	Thu, Feb 21, 2013	39.64	40.14	38.44	38.95
3711	NASDAQ	IOSP	Wed, Feb 20, 2013	41.20	41.59	40.15	40.23
3710	NASDAQ	IOSP	Tue, Feb 19, 2013	41.26	41.50	41.00	41.31
3709	NASDAQ	IOSP	Fri, Feb 15, 2013	41.19	41.27	40.90	41.14
3708	NASDAQ	IOSP	Thu, Feb 14, 2013	40.83	41.35	40.73	40.96
3707	NASDAQ	IOSP	Wed, Feb 13, 2013	40.84	41.29	39.60	40.88
3706	NASDAQ	IOSP	Tue, Feb 12, 2013	40.78	41.18	40.60	40.74
3705	NASDAQ	IOSP	Mon, Feb 11, 2013	41.04	41.40	40.53	40.78
3704	NASDAQ	IOSP	Fri, Feb 8, 2013	40.13	41.28	40.13	40.97
3703	NASDAQ	IOSP	Thu, Feb 7, 2013	40.80	40.82	39.88	40.04
3702	NASDAQ	IOSP	Wed, Feb 6, 2013	40.23	40.94	40.23	40.87
3701	NASDAQ	IOSP	Tue, Feb 5, 2013	40.32	40.57	39.93	40.34
3700	NASDAQ	IOSP	Mon, Feb 4, 2013	40.48	40.50	39.68	40.17
3699	NASDAQ	IOSP	Fri, Feb 1, 2013	40.56	41.03	40.18	40.64
3698	NASDAQ	IOSP	Thu, Jan 31, 2013	40.04	40.71	39.80	40.25
3697	NASDAQ	IOSP	Wed, Jan 30, 2013	40.55	40.55	39.64	40.02
3696	NASDAQ	IOSP	Tue, Jan 29, 2013	40.23	40.51	40.07	40.51
3695	NASDAQ	IOSP	Mon, Jan 28, 2013	40.91	40.96	40.18	40.37
3694	NASDAQ	IOSP	Fri, Jan 25, 2013	41.03	41.30	40.69	40.94
3693	NASDAQ	IOSP	Thu, Jan 24, 2013	40.22	40.98	40.20	40.73
3692	NASDAQ	IOSP	Wed, Jan 23, 2013	40.27	40.51	40.07	40.25
3691	NASDAQ	IOSP	Tue, Jan 22, 2013	39.72	40.25	39.40	40.25
3690	NASDAQ	IOSP	Fri, Jan 18, 2013	39.52	39.89	39.10	39.84
3689	NASDAQ	IOSP	Thu, Jan 17, 2013	38.87	39.52	38.76	39.49
3688	NASDAQ	IOSP	Wed, Jan 16, 2013	38.64	38.76	38.20	38.53
3687	NASDAQ	IOSP	Tue, Jan 15, 2013	37.65	38.82	37.36	38.65
3686	NASDAQ	IOSP	Mon, Jan 14, 2013	37.82	38.24	37.39	38.07
3685	NASDAQ	IOSP	Fri, Jan 11, 2013	36.94	37.85	36.81	37.68
3684	NASDAQ	IOSP	Thu, Jan 10, 2013	37.01	37.16	36.42	36.79
3683	NASDAQ	IOSP	Wed, Jan 9, 2013	36.60	37.31	36.47	36.90
3682	NASDAQ	IOSP	Tue, Jan 8, 2013	36.75	37.56	36.10	36.34
3681	NASDAQ	IOSP	Mon, Jan 7, 2013	36.28	37.19	35.98	36.88
3680	NASDAQ	IOSP	Fri, Jan 4, 2013	36.13	36.68	35.85	36.37
3679	NASDAQ	IOSP	Thu, Jan 3, 2013	35.42	35.98	35.13	35.85
3678	NASDAQ	IOSP	Wed, Jan 2, 2013	35.48	35.55	34.76	35.27
3677	NASDAQ	IOSP	Mon, Dec 31, 2012	33.30	34.57	33.18	34.49
3676	NASDAQ	IOSP	Fri, Dec 28, 2012	33.11	33.57	33.11	33.23
3675	NASDAQ	IOSP	Thu, Dec 27, 2012	33.37	33.60	33.03	33.41
3674	NASDAQ	IOSP	Wed, Dec 26, 2012	33.45	33.62	33.20	33.37
3673	NASDAQ	IOSP	Mon, Dec 24, 2012	33.13	33.55	33.00	33.53
3672	NASDAQ	IOSP	Fri, Dec 21, 2012	33.19	33.27	32.63	33.13
3671	NASDAQ	IOSP	Thu, Dec 20, 2012	32.37	33.44	32.25	33.42
3670	NASDAQ	IOSP	Wed, Dec 19, 2012	32.30	32.59	32.01	32.37
3669	NASDAQ	IOSP	Tue, Dec 18, 2012	31.78	32.43	31.78	32.16
3668	NASDAQ	IOSP	Mon, Dec 17, 2012	31.71	31.83	31.42	31.78
3667	NASDAQ	IOSP	Fri, Dec 14, 2012	31.27	31.82	31.27	31.49
3666	NASDAQ	IOSP	Thu, Dec 13, 2012	31.49	31.72	30.89	31.21
3665	NASDAQ	IOSP	Wed, Dec 12, 2012	30.58	32.11	30.26	31.49
3664	NASDAQ	IOSP	Tue, Dec 11, 2012	32.72	32.72	31.77	32.43
3663	NASDAQ	IOSP	Mon, Dec 10, 2012	32.33	32.48	32.07	32.48
3662	NASDAQ	IOSP	Fri, Dec 7, 2012	32.47	32.47	31.42	32.32
3661	NASDAQ	IOSP	Thu, Dec 6, 2012	31.74	32.22	31.50	32.21
3660	NASDAQ	IOSP	Wed, Dec 5, 2012	32.49	32.56	31.70	31.74
3659	NASDAQ	IOSP	Tue, Dec 4, 2012	32.25	32.53	31.81	32.39
3658	NASDAQ	IOSP	Mon, Dec 3, 2012	32.50	32.50	31.90	32.28
3657	NASDAQ	IOSP	Fri, Nov 30, 2012	31.97	32.19	31.23	31.83
3656	NASDAQ	IOSP	Thu, Nov 29, 2012	31.86	32.01	31.53	31.82
3655	NASDAQ	IOSP	Wed, Nov 28, 2012	31.02	31.44	30.75	31.43
3654	NASDAQ	IOSP	Tue, Nov 27, 2012	31.58	31.65	31.16	31.19
3653	NASDAQ	IOSP	Mon, Nov 26, 2012	31.34	31.54	30.95	31.54
3652	NASDAQ	IOSP	Fri, Nov 23, 2012	31.27	31.48	31.10	31.37
3651	NASDAQ	IOSP	Wed, Nov 21, 2012	31.35	31.36	30.77	31.11
3650	NASDAQ	IOSP	Tue, Nov 20, 2012	30.86	31.09	30.53	31.08
3649	NASDAQ	IOSP	Mon, Nov 19, 2012	31.00	31.05	30.66	31.00
3648	NASDAQ	IOSP	Fri, Nov 16, 2012	30.01	30.62	29.87	30.53
3647	NASDAQ	IOSP	Thu, Nov 15, 2012	29.28	30.00	28.09	29.80
3646	NASDAQ	IOSP	Wed, Nov 14, 2012	30.30	30.30	29.42	29.57
3645	NASDAQ	IOSP	Tue, Nov 13, 2012	30.29	30.67	29.90	30.24
3644	NASDAQ	IOSP	Mon, Nov 12, 2012	30.70	30.84	30.27	30.45
3643	NASDAQ	IOSP	Fri, Nov 9, 2012	31.30	31.69	30.00	30.86
3642	NASDAQ	IOSP	Thu, Nov 8, 2012	31.99	32.38	31.16	31.46
3641	NASDAQ	IOSP	Wed, Nov 7, 2012	32.58	32.58	31.76	32.33
3640	NASDAQ	IOSP	Tue, Nov 6, 2012	32.98	33.30	32.86	32.93
3639	NASDAQ	IOSP	Mon, Nov 5, 2012	32.89	33.30	32.53	33.17
3638	NASDAQ	IOSP	Fri, Nov 2, 2012	33.92	33.93	32.79	32.95
3637	NASDAQ	IOSP	Thu, Nov 1, 2012	32.33	34.87	32.33	33.92
3636	NASDAQ	IOSP	Wed, Oct 31, 2012	32.52	32.56	30.00	32.38
3635	NASDAQ	IOSP	Fri, Oct 26, 2012	32.29	32.38	31.89	32.33
3634	NASDAQ	IOSP	Thu, Oct 25, 2012	31.96	32.26	31.69	32.15
3633	NASDAQ	IOSP	Wed, Oct 24, 2012	32.11	32.61	31.43	31.57
3632	NASDAQ	IOSP	Tue, Oct 23, 2012	32.55	32.79	31.95	32.11
3631	NASDAQ	IOSP	Mon, Oct 22, 2012	32.61	33.01	32.35	33.00
3630	NASDAQ	IOSP	Fri, Oct 19, 2012	33.09	33.12	32.36	32.62
3629	NASDAQ	IOSP	Thu, Oct 18, 2012	33.28	33.46	32.78	33.33
3628	NASDAQ	IOSP	Wed, Oct 17, 2012	33.30	33.41	32.82	33.28
3627	NASDAQ	IOSP	Tue, Oct 16, 2012	33.35	33.50	33.05	33.30
3626	NASDAQ	IOSP	Mon, Oct 15, 2012	33.00	33.49	32.89	33.34
3625	NASDAQ	IOSP	Fri, Oct 12, 2012	32.95	33.37	32.89	32.96
3624	NASDAQ	IOSP	Thu, Oct 11, 2012	33.50	33.72	32.97	32.99
3623	NASDAQ	IOSP	Wed, Oct 10, 2012	33.00	33.69	32.98	33.39
3622	NASDAQ	IOSP	Tue, Oct 9, 2012	33.12	33.60	32.91	33.20
3621	NASDAQ	IOSP	Mon, Oct 8, 2012	33.50	34.28	33.22	33.37
3620	NASDAQ	IOSP	Fri, Oct 5, 2012	34.47	34.67	34.21	34.35
3619	NASDAQ	IOSP	Thu, Oct 4, 2012	34.12	34.43	33.92	34.34
3618	NASDAQ	IOSP	Wed, Oct 3, 2012	34.00	34.28	33.80	34.09
3617	NASDAQ	IOSP	Tue, Oct 2, 2012	34.10	34.15	33.71	34.04
3616	NASDAQ	IOSP	Mon, Oct 1, 2012	34.09	34.51	33.63	34.01
3615	NASDAQ	IOSP	Fri, Sep 28, 2012	32.84	34.30	32.84	33.92
3614	NASDAQ	IOSP	Thu, Sep 27, 2012	32.22	33.23	32.19	33.04
3613	NASDAQ	IOSP	Wed, Sep 26, 2012	32.12	32.43	31.87	32.19
3612	NASDAQ	IOSP	Tue, Sep 25, 2012	32.49	32.79	31.90	32.07
3611	NASDAQ	IOSP	Mon, Sep 24, 2012	32.16	32.79	32.08	32.28
3610	NASDAQ	IOSP	Fri, Sep 21, 2012	32.80	32.92	32.37	32.60
3609	NASDAQ	IOSP	Thu, Sep 20, 2012	32.39	32.65	31.94	32.46
3608	NASDAQ	IOSP	Wed, Sep 19, 2012	32.61	32.79	32.41	32.43
3607	NASDAQ	IOSP	Tue, Sep 18, 2012	32.27	32.83	32.20	32.69
3606	NASDAQ	IOSP	Mon, Sep 17, 2012	31.88	32.43	31.65	32.40
3605	NASDAQ	IOSP	Fri, Sep 14, 2012	31.86	32.16	31.75	32.05
3604	NASDAQ	IOSP	Thu, Sep 13, 2012	31.62	31.73	31.33	31.64
3603	NASDAQ	IOSP	Wed, Sep 12, 2012	31.70	31.91	31.43	31.65
3602	NASDAQ	IOSP	Tue, Sep 11, 2012	31.75	32.05	31.49	31.70
3601	NASDAQ	IOSP	Mon, Sep 10, 2012	31.62	32.16	31.60	31.78
3600	NASDAQ	IOSP	Fri, Sep 7, 2012	31.84	31.84	31.59	31.70
3599	NASDAQ	IOSP	Thu, Sep 6, 2012	31.59	31.97	29.23	31.66
3598	NASDAQ	IOSP	Wed, Sep 5, 2012	31.00	31.66	29.70	31.39
3597	NASDAQ	IOSP	Tue, Sep 4, 2012	31.05	31.52	30.97	31.39
3596	NASDAQ	IOSP	Fri, Aug 31, 2012	31.50	31.68	31.13	31.46
3595	NASDAQ	IOSP	Thu, Aug 30, 2012	30.84	31.25	30.82	31.14
3594	NASDAQ	IOSP	Wed, Aug 29, 2012	31.10	31.69	30.72	31.62
3593	NASDAQ	IOSP	Tue, Aug 28, 2012	31.10	31.48	30.89	31.08
3592	NASDAQ	IOSP	Mon, Aug 27, 2012	31.12	31.29	30.69	31.22
3591	NASDAQ	IOSP	Fri, Aug 24, 2012	31.31	31.44	30.90	31.04
3590	NASDAQ	IOSP	Thu, Aug 23, 2012	31.78	31.92	31.00	31.45
3589	NASDAQ	IOSP	Wed, Aug 22, 2012	31.88	32.33	31.53	31.85
3588	NASDAQ	IOSP	Tue, Aug 21, 2012	32.31	32.65	31.75	31.84
3587	NASDAQ	IOSP	Mon, Aug 20, 2012	32.02	32.32	31.68	32.17
3586	NASDAQ	IOSP	Fri, Aug 17, 2012	32.02	32.48	31.66	32.24
3585	NASDAQ	IOSP	Thu, Aug 16, 2012	32.11	32.26	31.18	32.02
3584	NASDAQ	IOSP	Wed, Aug 15, 2012	31.01	32.29	30.92	32.24
3583	NASDAQ	IOSP	Tue, Aug 14, 2012	31.12	31.35	30.78	31.15
3582	NASDAQ	IOSP	Mon, Aug 13, 2012	30.54	30.97	30.12	30.80
3581	NASDAQ	IOSP	Fri, Aug 10, 2012	30.09	30.95	30.09	30.69
3580	NASDAQ	IOSP	Thu, Aug 9, 2012	30.06	30.46	29.23	30.28
3579	NASDAQ	IOSP	Wed, Aug 8, 2012	31.38	31.72	31.04	31.63
3578	NASDAQ	IOSP	Tue, Aug 7, 2012	32.20	32.51	31.69	31.75
3577	NASDAQ	IOSP	Mon, Aug 6, 2012	31.47	32.00	31.47	31.92
3576	NASDAQ	IOSP	Fri, Aug 3, 2012	31.11	31.79	30.98	31.42
3575	NASDAQ	IOSP	Thu, Aug 2, 2012	30.16	30.61	30.08	30.52
3574	NASDAQ	IOSP	Wed, Aug 1, 2012	31.29	31.58	30.50	30.50
3573	NASDAQ	IOSP	Tue, Jul 31, 2012	31.21	31.62	31.10	31.12
3572	NASDAQ	IOSP	Mon, Jul 30, 2012	31.55	31.77	31.24	31.36
3571	NASDAQ	IOSP	Fri, Jul 27, 2012	31.07	31.77	30.99	31.60
3570	NASDAQ	IOSP	Thu, Jul 26, 2012	31.69	32.05	30.69	30.94
3569	NASDAQ	IOSP	Wed, Jul 25, 2012	30.44	31.14	30.43	31.10
3568	NASDAQ	IOSP	Tue, Jul 24, 2012	30.78	30.88	29.90	30.16
3567	NASDAQ	IOSP	Mon, Jul 23, 2012	30.78	31.19	30.20	30.77
3566	NASDAQ	IOSP	Fri, Jul 20, 2012	32.56	32.57	31.53	31.55
3565	NASDAQ	IOSP	Thu, Jul 19, 2012	32.70	33.39	32.35	32.98
3564	NASDAQ	IOSP	Wed, Jul 18, 2012	30.70	32.49	30.56	32.45
3563	NASDAQ	IOSP	Tue, Jul 17, 2012	30.30	30.72	29.85	30.70
3562	NASDAQ	IOSP	Mon, Jul 16, 2012	30.16	30.45	29.90	30.06
3561	NASDAQ	IOSP	Fri, Jul 13, 2012	29.75	30.47	29.70	30.32
3560	NASDAQ	IOSP	Thu, Jul 12, 2012	29.62	29.89	29.40	29.65
3559	NASDAQ	IOSP	Wed, Jul 11, 2012	29.81	30.22	29.63	29.83
3558	NASDAQ	IOSP	Tue, Jul 10, 2012	30.50	30.53	29.60	29.70
3557	NASDAQ	IOSP	Mon, Jul 9, 2012	30.28	30.66	30.00	30.28
3556	NASDAQ	IOSP	Fri, Jul 6, 2012	30.52	30.98	30.28	30.31
3555	NASDAQ	IOSP	Thu, Jul 5, 2012	30.75	31.29	30.53	30.96
3554	NASDAQ	IOSP	Tue, Jul 3, 2012	30.39	31.25	30.39	30.73
3553	NASDAQ	IOSP	Mon, Jul 2, 2012	29.76	30.50	29.70	30.24
3552	NASDAQ	IOSP	Fri, Jun 29, 2012	29.19	29.66	28.71	29.61
3551	NASDAQ	IOSP	Thu, Jun 28, 2012	28.18	28.57	28.04	28.47
3550	NASDAQ	IOSP	Wed, Jun 27, 2012	27.70	28.54	27.68	28.48
3549	NASDAQ	IOSP	Tue, Jun 26, 2012	26.99	27.78	26.92	27.72
3548	NASDAQ	IOSP	Mon, Jun 25, 2012	27.02	27.30	26.72	26.90
3547	NASDAQ	IOSP	Fri, Jun 22, 2012	27.14	27.53	26.95	27.45
3546	NASDAQ	IOSP	Thu, Jun 21, 2012	27.80	27.80	26.73	26.94
3545	NASDAQ	IOSP	Wed, Jun 20, 2012	28.18	28.18	27.52	27.88
3544	NASDAQ	IOSP	Tue, Jun 19, 2012	27.28	28.45	27.28	28.16
3543	NASDAQ	IOSP	Mon, Jun 18, 2012	26.83	27.32	26.83	27.25
3542	NASDAQ	IOSP	Fri, Jun 15, 2012	26.82	27.26	26.67	27.04
3541	NASDAQ	IOSP	Thu, Jun 14, 2012	26.70	27.16	26.50	26.85
3540	NASDAQ	IOSP	Wed, Jun 13, 2012	26.81	27.17	26.55	26.74
3539	NASDAQ	IOSP	Tue, Jun 12, 2012	26.90	27.23	26.32	26.92
3538	NASDAQ	IOSP	Mon, Jun 11, 2012	27.79	27.79	26.77	26.85
3537	NASDAQ	IOSP	Fri, Jun 8, 2012	26.60	27.70	26.39	27.40
3536	NASDAQ	IOSP	Thu, Jun 7, 2012	27.10	27.33	26.54	26.66
3535	NASDAQ	IOSP	Wed, Jun 6, 2012	26.34	26.69	26.13	26.66
3534	NASDAQ	IOSP	Tue, Jun 5, 2012	25.37	26.21	25.18	26.03
3533	NASDAQ	IOSP	Mon, Jun 4, 2012	26.23	26.44	25.41	25.56
3532	NASDAQ	IOSP	Fri, Jun 1, 2012	25.83	26.49	25.78	26.05
3531	NASDAQ	IOSP	Thu, May 31, 2012	26.55	26.67	26.12	26.43
3530	NASDAQ	IOSP	Wed, May 30, 2012	26.93	26.93	26.09	26.48
3529	NASDAQ	IOSP	Tue, May 29, 2012	27.04	27.64	26.86	27.31
3528	NASDAQ	IOSP	Fri, May 25, 2012	26.93	27.05	26.56	26.87
3527	NASDAQ	IOSP	Thu, May 24, 2012	27.26	27.26	26.59	26.88
3526	NASDAQ	IOSP	Wed, May 23, 2012	26.80	27.21	26.42	27.15
3525	NASDAQ	IOSP	Tue, May 22, 2012	27.63	27.63	26.73	27.00
3524	NASDAQ	IOSP	Mon, May 21, 2012	26.88	27.76	26.84	27.70
3523	NASDAQ	IOSP	Fri, May 18, 2012	27.01	27.43	26.62	26.84
3522	NASDAQ	IOSP	Thu, May 17, 2012	28.47	28.51	27.06	27.07
3521	NASDAQ	IOSP	Wed, May 16, 2012	28.88	29.15	28.40	28.51
3520	NASDAQ	IOSP	Tue, May 15, 2012	29.22	29.53	28.66	28.86
3519	NASDAQ	IOSP	Mon, May 14, 2012	29.85	30.00	29.13	29.15
3518	NASDAQ	IOSP	Fri, May 11, 2012	30.67	30.87	30.12	30.22
3517	NASDAQ	IOSP	Thu, May 10, 2012	31.30	31.43	30.65	30.88
3516	NASDAQ	IOSP	Wed, May 9, 2012	30.88	31.79	30.78	31.22
3515	NASDAQ	IOSP	Tue, May 8, 2012	29.02	31.40	29.02	31.20
3514	NASDAQ	IOSP	Mon, May 7, 2012	28.69	29.28	28.39	29.04
3513	NASDAQ	IOSP	Fri, May 4, 2012	29.40	29.41	28.21	28.75
3512	NASDAQ	IOSP	Thu, May 3, 2012	29.53	29.72	29.33	29.61
3511	NASDAQ	IOSP	Wed, May 2, 2012	29.64	29.86	29.35	29.70
3510	NASDAQ	IOSP	Tue, May 1, 2012	30.14	30.60	29.72	29.94
3509	NASDAQ	IOSP	Mon, Apr 30, 2012	30.18	30.50	29.86	30.23
3508	NASDAQ	IOSP	Fri, Apr 27, 2012	29.84	30.44	29.73	30.32
3507	NASDAQ	IOSP	Thu, Apr 26, 2012	29.85	30.30	29.50	29.87
3506	NASDAQ	IOSP	Wed, Apr 25, 2012	29.36	29.77	29.21	29.77
3505	NASDAQ	IOSP	Tue, Apr 24, 2012	29.12	29.18	28.54	29.13
3504	NASDAQ	IOSP	Mon, Apr 23, 2012	29.76	29.94	29.06	29.18
3503	NASDAQ	IOSP	Fri, Apr 20, 2012	31.45	31.45	30.43	30.53
3502	NASDAQ	IOSP	Thu, Apr 19, 2012	31.37	31.49	30.70	31.05
3501	NASDAQ	IOSP	Wed, Apr 18, 2012	31.21	31.54	30.91	31.29
3500	NASDAQ	IOSP	Tue, Apr 17, 2012	31.30	31.63	30.94	31.31
3499	NASDAQ	IOSP	Mon, Apr 16, 2012	31.13	31.35	30.62	31.01
3498	NASDAQ	IOSP	Fri, Apr 13, 2012	31.41	31.41	30.82	30.99
3497	NASDAQ	IOSP	Thu, Apr 12, 2012	30.81	31.81	30.70	31.64
3496	NASDAQ	IOSP	Wed, Apr 11, 2012	31.12	31.12	30.55	30.72
3495	NASDAQ	IOSP	Tue, Apr 10, 2012	31.00	31.21	30.07	30.75
3494	NASDAQ	IOSP	Mon, Apr 9, 2012	30.66	31.13	30.34	31.00
3493	NASDAQ	IOSP	Thu, Apr 5, 2012	31.27	31.59	30.91	31.11
3492	NASDAQ	IOSP	Wed, Apr 4, 2012	31.47	32.46	31.24	31.50
3491	NASDAQ	IOSP	Tue, Apr 3, 2012	31.74	32.18	31.61	31.75
3490	NASDAQ	IOSP	Mon, Apr 2, 2012	30.37	31.88	30.33	31.80
3489	NASDAQ	IOSP	Fri, Mar 30, 2012	30.95	30.95	30.14	30.38
3488	NASDAQ	IOSP	Thu, Mar 29, 2012	30.52	30.85	30.11	30.56
3487	NASDAQ	IOSP	Wed, Mar 28, 2012	31.03	31.19	30.62	30.79
3486	NASDAQ	IOSP	Tue, Mar 27, 2012	31.05	31.34	30.79	30.94
3485	NASDAQ	IOSP	Mon, Mar 26, 2012	30.49	31.35	30.25	30.89
3484	NASDAQ	IOSP	Fri, Mar 23, 2012	29.40	30.17	29.32	30.12
3483	NASDAQ	IOSP	Thu, Mar 22, 2012	29.16	29.59	28.94	29.38
3482	NASDAQ	IOSP	Wed, Mar 21, 2012	29.50	29.53	29.06	29.37
3481	NASDAQ	IOSP	Tue, Mar 20, 2012	29.89	29.95	29.20	29.49
3480	NASDAQ	IOSP	Mon, Mar 19, 2012	30.19	30.78	29.82	30.22
3479	NASDAQ	IOSP	Fri, Mar 16, 2012	30.24	30.60	30.11	30.19
3478	NASDAQ	IOSP	Thu, Mar 15, 2012	29.72	30.30	29.63	30.10
3477	NASDAQ	IOSP	Wed, Mar 14, 2012	29.99	30.07	29.45	29.69
3476	NASDAQ	IOSP	Tue, Mar 13, 2012	30.07	30.18	29.57	30.13
3475	NASDAQ	IOSP	Mon, Mar 12, 2012	30.02	30.19	29.63	29.81
3474	NASDAQ	IOSP	Fri, Mar 9, 2012	29.92	30.55	29.70	30.10
3473	NASDAQ	IOSP	Thu, Mar 8, 2012	30.07	30.17	29.62	29.87
3472	NASDAQ	IOSP	Wed, Mar 7, 2012	29.47	29.79	29.03	29.68
3471	NASDAQ	IOSP	Tue, Mar 6, 2012	29.80	30.06	29.06	29.31
3470	NASDAQ	IOSP	Mon, Mar 5, 2012	29.91	30.78	29.53	30.29
3469	NASDAQ	IOSP	Fri, Mar 2, 2012	31.11	31.43	29.79	29.83
3468	NASDAQ	IOSP	Thu, Mar 1, 2012	31.07	31.52	30.87	31.16
3467	NASDAQ	IOSP	Wed, Feb 29, 2012	31.24	31.51	30.71	30.96
3466	NASDAQ	IOSP	Tue, Feb 28, 2012	30.63	31.44	30.53	31.14
3465	NASDAQ	IOSP	Mon, Feb 27, 2012	29.95	31.10	29.63	30.63
3464	NASDAQ	IOSP	Fri, Feb 24, 2012	30.07	30.45	29.61	30.15
3463	NASDAQ	IOSP	Thu, Feb 23, 2012	29.59	30.31	29.19	30.11
3462	NASDAQ	IOSP	Wed, Feb 22, 2012	29.70	29.93	29.14	29.56
3461	NASDAQ	IOSP	Tue, Feb 21, 2012	30.40	30.81	29.73	29.79
3460	NASDAQ	IOSP	Fri, Feb 17, 2012	30.72	30.79	30.09	30.20
3459	NASDAQ	IOSP	Thu, Feb 16, 2012	30.04	31.12	29.90	30.54
3458	NASDAQ	IOSP	Wed, Feb 15, 2012	31.96	31.96	29.79	30.17
3457	NASDAQ	IOSP	Tue, Feb 14, 2012	30.39	30.39	29.86	30.14
3456	NASDAQ	IOSP	Mon, Feb 13, 2012	30.72	31.34	30.39	30.51
3455	NASDAQ	IOSP	Fri, Feb 10, 2012	30.57	30.72	30.30	30.37
3454	NASDAQ	IOSP	Thu, Feb 9, 2012	31.79	31.79	31.01	31.01
3453	NASDAQ	IOSP	Wed, Feb 8, 2012	31.86	31.95	31.02	31.72
3452	NASDAQ	IOSP	Tue, Feb 7, 2012	32.10	32.14	31.60	31.87
3451	NASDAQ	IOSP	Mon, Feb 6, 2012	32.24	32.26	31.86	32.16
3450	NASDAQ	IOSP	Fri, Feb 3, 2012	32.69	32.69	32.28	32.34
3449	NASDAQ	IOSP	Thu, Feb 2, 2012	32.77	33.17	32.25	32.33
3448	NASDAQ	IOSP	Wed, Feb 1, 2012	32.57	33.03	32.28	32.81
3447	NASDAQ	IOSP	Tue, Jan 31, 2012	32.01	32.55	31.83	32.37
3446	NASDAQ	IOSP	Mon, Jan 30, 2012	32.05	32.14	31.10	31.85
3445	NASDAQ	IOSP	Fri, Jan 27, 2012	31.39	32.35	31.30	32.26
3444	NASDAQ	IOSP	Thu, Jan 26, 2012	31.60	31.65	30.98	31.39
3443	NASDAQ	IOSP	Wed, Jan 25, 2012	31.11	31.46	30.75	31.39
3442	NASDAQ	IOSP	Tue, Jan 24, 2012	30.57	31.09	30.34	31.05
3441	NASDAQ	IOSP	Mon, Jan 23, 2012	30.59	31.02	30.53	30.76
3440	NASDAQ	IOSP	Fri, Jan 20, 2012	30.40	30.78	30.22	30.63
3439	NASDAQ	IOSP	Thu, Jan 19, 2012	30.48	30.60	30.22	30.42
3438	NASDAQ	IOSP	Wed, Jan 18, 2012	29.87	30.50	29.68	30.33
3437	NASDAQ	IOSP	Tue, Jan 17, 2012	30.58	30.72	29.67	29.86
3436	NASDAQ	IOSP	Fri, Jan 13, 2012	30.11	30.33	29.40	30.21
3435	NASDAQ	IOSP	Thu, Jan 12, 2012	29.59	30.35	29.39	30.32
3434	NASDAQ	IOSP	Wed, Jan 11, 2012	29.19	29.59	28.95	29.43
3433	NASDAQ	IOSP	Tue, Jan 10, 2012	29.26	29.46	29.00	29.31
3432	NASDAQ	IOSP	Mon, Jan 9, 2012	28.98	29.12	28.37	28.89
3431	NASDAQ	IOSP	Fri, Jan 6, 2012	29.27	29.31	28.67	28.87
3430	NASDAQ	IOSP	Thu, Jan 5, 2012	28.33	30.29	27.85	29.26
3429	NASDAQ	IOSP	Wed, Jan 4, 2012	28.04	28.73	27.51	28.60
3428	NASDAQ	IOSP	Tue, Jan 3, 2012	28.92	29.00	26.93	28.27
3427	NASDAQ	IOSP	Fri, Dec 30, 2011	28.26	28.27	28.03	28.07
3426	NASDAQ	IOSP	Thu, Dec 29, 2011	28.36	28.62	28.09	28.28
3425	NASDAQ	IOSP	Wed, Dec 28, 2011	28.37	28.56	27.97	28.15
3424	NASDAQ	IOSP	Tue, Dec 27, 2011	28.24	28.60	28.24	28.36
3423	NASDAQ	IOSP	Fri, Dec 23, 2011	28.62	28.71	28.20	28.33
3422	NASDAQ	IOSP	Thu, Dec 22, 2011	28.62	29.03	28.30	28.42
3421	NASDAQ	IOSP	Wed, Dec 21, 2011	28.72	28.79	28.09	28.44
3420	NASDAQ	IOSP	Tue, Dec 20, 2011	28.84	29.13	28.54	28.73
3419	NASDAQ	IOSP	Mon, Dec 19, 2011	29.00	29.24	27.72	28.04
3418	NASDAQ	IOSP	Fri, Dec 16, 2011	28.93	29.32	28.64	28.76
3417	NASDAQ	IOSP	Thu, Dec 15, 2011	28.51	29.05	28.20	28.60
3416	NASDAQ	IOSP	Wed, Dec 14, 2011	28.76	29.01	27.78	27.89
3415	NASDAQ	IOSP	Tue, Dec 13, 2011	30.10	30.28	29.06	29.14
3414	NASDAQ	IOSP	Mon, Dec 12, 2011	29.42	30.05	29.07	29.94
3413	NASDAQ	IOSP	Fri, Dec 9, 2011	28.88	30.09	28.76	29.94
3412	NASDAQ	IOSP	Thu, Dec 8, 2011	29.42	29.64	28.75	28.93
3411	NASDAQ	IOSP	Wed, Dec 7, 2011	29.42	30.01	28.99	29.79
3410	NASDAQ	IOSP	Tue, Dec 6, 2011	29.29	29.83	29.20	29.71
3409	NASDAQ	IOSP	Mon, Dec 5, 2011	29.74	29.87	29.04	29.30
3408	NASDAQ	IOSP	Fri, Dec 2, 2011	29.81	29.81	29.05	29.07
3407	NASDAQ	IOSP	Thu, Dec 1, 2011	29.00	29.59	28.48	29.01
3406	NASDAQ	IOSP	Wed, Nov 30, 2011	28.52	29.12	27.51	29.06
3405	NASDAQ	IOSP	Tue, Nov 29, 2011	27.31	27.52	26.94	27.03
3404	NASDAQ	IOSP	Mon, Nov 28, 2011	27.29	27.72	26.60	26.95
3403	NASDAQ	IOSP	Fri, Nov 25, 2011	26.60	27.28	26.20	26.22
3402	NASDAQ	IOSP	Wed, Nov 23, 2011	27.30	27.44	26.73	26.87
3401	NASDAQ	IOSP	Tue, Nov 22, 2011	27.44	28.20	27.44	27.62
3400	NASDAQ	IOSP	Mon, Nov 21, 2011	28.04	28.48	27.05	27.52
3399	NASDAQ	IOSP	Fri, Nov 18, 2011	28.75	29.27	28.57	28.67
3398	NASDAQ	IOSP	Thu, Nov 17, 2011	29.53	30.04	28.48	28.70
3397	NASDAQ	IOSP	Wed, Nov 16, 2011	29.65	30.24	29.43	29.64
3396	NASDAQ	IOSP	Tue, Nov 15, 2011	29.60	30.28	29.42	30.11
3395	NASDAQ	IOSP	Mon, Nov 14, 2011	30.32	30.38	29.36	29.82
3394	NASDAQ	IOSP	Fri, Nov 11, 2011	29.91	30.65	29.91	30.58
3393	NASDAQ	IOSP	Thu, Nov 10, 2011	29.38	29.97	28.87	29.40
3392	NASDAQ	IOSP	Wed, Nov 9, 2011	29.55	30.12	28.80	28.81
3391	NASDAQ	IOSP	Tue, Nov 8, 2011	31.04	31.15	30.16	30.71
3390	NASDAQ	IOSP	Mon, Nov 7, 2011	30.82	31.06	29.99	30.79
3389	NASDAQ	IOSP	Fri, Nov 4, 2011	30.23	30.96	30.01	30.80
3388	NASDAQ	IOSP	Thu, Nov 3, 2011	30.65	30.87	28.97	30.64
3387	NASDAQ	IOSP	Wed, Nov 2, 2011	29.20	30.39	28.94	29.96
3386	NASDAQ	IOSP	Tue, Nov 1, 2011	28.96	29.65	28.21	28.53
3385	NASDAQ	IOSP	Mon, Oct 31, 2011	30.85	31.30	30.16	30.20
3384	NASDAQ	IOSP	Fri, Oct 28, 2011	31.10	32.10	30.60	31.49
3383	NASDAQ	IOSP	Thu, Oct 27, 2011	30.03	31.21	29.85	31.16
3382	NASDAQ	IOSP	Wed, Oct 26, 2011	28.53	29.42	27.39	28.95
3381	NASDAQ	IOSP	Tue, Oct 25, 2011	28.49	28.88	27.66	27.93
3380	NASDAQ	IOSP	Mon, Oct 24, 2011	27.77	28.95	27.54	28.84
3379	NASDAQ	IOSP	Fri, Oct 21, 2011	27.55	27.80	27.10	27.71
3378	NASDAQ	IOSP	Thu, Oct 20, 2011	26.65	27.13	25.65	26.89
3377	NASDAQ	IOSP	Wed, Oct 19, 2011	27.82	27.82	26.51	26.63
3376	NASDAQ	IOSP	Tue, Oct 18, 2011	27.18	28.18	26.40	27.94
3375	NASDAQ	IOSP	Mon, Oct 17, 2011	27.97	28.30	26.97	27.00
3374	NASDAQ	IOSP	Fri, Oct 14, 2011	28.01	28.48	27.77	28.32
3373	NASDAQ	IOSP	Thu, Oct 13, 2011	27.17	27.77	26.87	27.71
3372	NASDAQ	IOSP	Wed, Oct 12, 2011	27.19	27.63	27.10	27.46
3371	NASDAQ	IOSP	Tue, Oct 11, 2011	26.15	26.98	26.15	26.83
3370	NASDAQ	IOSP	Mon, Oct 10, 2011	25.32	26.46	25.32	26.46
3369	NASDAQ	IOSP	Fri, Oct 7, 2011	25.20	25.38	24.41	24.75
3368	NASDAQ	IOSP	Thu, Oct 6, 2011	24.14	25.24	24.07	25.15
3367	NASDAQ	IOSP	Wed, Oct 5, 2011	23.45	24.35	22.81	24.22
3366	NASDAQ	IOSP	Tue, Oct 4, 2011	22.13	23.66	21.71	23.46
3365	NASDAQ	IOSP	Mon, Oct 3, 2011	24.02	24.96	22.32	22.33
3364	NASDAQ	IOSP	Fri, Sep 30, 2011	24.60	25.36	24.18	24.21
3363	NASDAQ	IOSP	Thu, Sep 29, 2011	24.64	25.33	24.07	25.09
3362	NASDAQ	IOSP	Wed, Sep 28, 2011	26.15	26.67	24.13	24.13
3361	NASDAQ	IOSP	Tue, Sep 27, 2011	25.92	26.80	25.72	26.01
3360	NASDAQ	IOSP	Mon, Sep 26, 2011	24.44	25.21	23.53	25.18
3359	NASDAQ	IOSP	Fri, Sep 23, 2011	23.96	25.42	23.87	24.15
3358	NASDAQ	IOSP	Thu, Sep 22, 2011	24.38	24.47	23.00	23.99
3357	NASDAQ	IOSP	Wed, Sep 21, 2011	27.50	28.29	25.58	25.60
3356	NASDAQ	IOSP	Tue, Sep 20, 2011	27.42	28.41	27.20	27.52
3355	NASDAQ	IOSP	Mon, Sep 19, 2011	27.02	27.71	26.70	27.27
3354	NASDAQ	IOSP	Fri, Sep 16, 2011	27.54	28.00	27.09	27.65
3353	NASDAQ	IOSP	Thu, Sep 15, 2011	26.20	27.43	26.20	27.32
3352	NASDAQ	IOSP	Wed, Sep 14, 2011	26.08	26.21	25.15	25.88
3351	NASDAQ	IOSP	Tue, Sep 13, 2011	25.09	25.95	24.73	25.78
3350	NASDAQ	IOSP	Mon, Sep 12, 2011	24.51	25.80	24.13	24.96
3349	NASDAQ	IOSP	Fri, Sep 9, 2011	25.18	25.28	24.55	24.89
3348	NASDAQ	IOSP	Thu, Sep 8, 2011	26.26	26.65	25.43	25.53
3347	NASDAQ	IOSP	Wed, Sep 7, 2011	25.41	26.49	25.05	26.40
3346	NASDAQ	IOSP	Tue, Sep 6, 2011	24.05	25.04	23.53	24.99
3345	NASDAQ	IOSP	Fri, Sep 2, 2011	25.14	25.64	24.79	25.05
3344	NASDAQ	IOSP	Thu, Sep 1, 2011	27.11	27.44	25.65	25.79
3343	NASDAQ	IOSP	Wed, Aug 31, 2011	27.31	27.75	26.33	27.05
3342	NASDAQ	IOSP	Tue, Aug 30, 2011	26.82	27.46	26.35	27.13
3341	NASDAQ	IOSP	Mon, Aug 29, 2011	25.42	27.17	25.42	26.97
3340	NASDAQ	IOSP	Fri, Aug 26, 2011	23.74	25.28	23.45	25.13
3339	NASDAQ	IOSP	Thu, Aug 25, 2011	24.41	24.59	23.49	24.00
3338	NASDAQ	IOSP	Wed, Aug 24, 2011	23.97	24.86	23.46	24.20
3337	NASDAQ	IOSP	Tue, Aug 23, 2011	22.51	24.36	22.04	24.09
3336	NASDAQ	IOSP	Mon, Aug 22, 2011	22.49	22.63	21.75	22.33
3335	NASDAQ	IOSP	Fri, Aug 19, 2011	22.34	23.34	21.50	21.74
3334	NASDAQ	IOSP	Thu, Aug 18, 2011	24.01	24.50	22.16	22.55
3333	NASDAQ	IOSP	Wed, Aug 17, 2011	24.76	25.20	24.49	24.89
3332	NASDAQ	IOSP	Tue, Aug 16, 2011	25.54	25.54	24.38	24.58
3331	NASDAQ	IOSP	Mon, Aug 15, 2011	25.29	26.12	25.19	25.79
3330	NASDAQ	IOSP	Fri, Aug 12, 2011	25.19	25.92	24.55	24.92
3329	NASDAQ	IOSP	Thu, Aug 11, 2011	23.50	25.38	23.25	24.88
3328	NASDAQ	IOSP	Wed, Aug 10, 2011	22.47	24.80	22.01	23.36
3327	NASDAQ	IOSP	Tue, Aug 9, 2011	22.39	24.45	20.36	22.67
3326	NASDAQ	IOSP	Mon, Aug 8, 2011	24.03	24.21	20.91	22.38
3325	NASDAQ	IOSP	Fri, Aug 5, 2011	25.98	26.49	24.59	25.69
3324	NASDAQ	IOSP	Thu, Aug 4, 2011	29.30	29.44	25.62	25.63
3323	NASDAQ	IOSP	Wed, Aug 3, 2011	31.54	31.54	29.00	29.73
3322	NASDAQ	IOSP	Tue, Aug 2, 2011	31.99	32.74	31.40	31.50
3321	NASDAQ	IOSP	Mon, Aug 1, 2011	32.47	32.67	31.88	32.18
3320	NASDAQ	IOSP	Fri, Jul 29, 2011	31.66	32.16	31.12	32.12
3319	NASDAQ	IOSP	Thu, Jul 28, 2011	32.29	32.90	31.27	32.16
3318	NASDAQ	IOSP	Wed, Jul 27, 2011	33.50	33.65	32.18	32.33
3317	NASDAQ	IOSP	Tue, Jul 26, 2011	33.86	34.23	33.33	33.68
3316	NASDAQ	IOSP	Mon, Jul 25, 2011	34.09	34.85	33.65	34.04
3315	NASDAQ	IOSP	Fri, Jul 22, 2011	34.47	34.69	34.37	34.39
3314	NASDAQ	IOSP	Thu, Jul 21, 2011	34.52	35.16	34.28	34.39
3313	NASDAQ	IOSP	Wed, Jul 20, 2011	33.52	34.30	32.47	34.13
3312	NASDAQ	IOSP	Tue, Jul 19, 2011	33.08	33.50	32.30	33.46
3311	NASDAQ	IOSP	Mon, Jul 18, 2011	33.86	33.86	32.59	32.91
3310	NASDAQ	IOSP	Fri, Jul 15, 2011	33.98	34.07	33.53	33.91
3309	NASDAQ	IOSP	Thu, Jul 14, 2011	34.60	34.71	33.21	33.83
3308	NASDAQ	IOSP	Wed, Jul 13, 2011	34.24	35.04	34.06	34.58
3307	NASDAQ	IOSP	Tue, Jul 12, 2011	34.26	34.63	33.79	34.20
3306	NASDAQ	IOSP	Mon, Jul 11, 2011	35.08	35.08	34.00	34.25
3305	NASDAQ	IOSP	Fri, Jul 8, 2011	35.27	35.85	34.69	35.39
3304	NASDAQ	IOSP	Thu, Jul 7, 2011	35.20	36.18	35.20	35.69
3303	NASDAQ	IOSP	Wed, Jul 6, 2011	34.85	35.24	34.46	34.97
3302	NASDAQ	IOSP	Tue, Jul 5, 2011	34.60	35.05	34.60	34.95
3301	NASDAQ	IOSP	Fri, Jul 1, 2011	33.75	34.94	33.67	34.70
3300	NASDAQ	IOSP	Thu, Jun 30, 2011	33.21	33.92	33.06	33.61
3299	NASDAQ	IOSP	Wed, Jun 29, 2011	32.50	33.50	32.49	33.02
3298	NASDAQ	IOSP	Tue, Jun 28, 2011	32.21	32.63	31.83	32.41
3297	NASDAQ	IOSP	Mon, Jun 27, 2011	31.40	32.50	30.95	32.25
3296	NASDAQ	IOSP	Fri, Jun 24, 2011	32.21	32.34	30.64	30.86
3295	NASDAQ	IOSP	Thu, Jun 23, 2011	31.70	32.33	31.01	32.19
3294	NASDAQ	IOSP	Wed, Jun 22, 2011	32.60	32.60	31.93	32.12
3293	NASDAQ	IOSP	Tue, Jun 21, 2011	31.23	32.82	30.90	32.56
3292	NASDAQ	IOSP	Mon, Jun 20, 2011	30.76	31.32	30.34	31.32
3291	NASDAQ	IOSP	Fri, Jun 17, 2011	33.42	33.42	30.75	31.01
3290	NASDAQ	IOSP	Thu, Jun 16, 2011	31.83	33.75	31.83	33.20
3289	NASDAQ	IOSP	Wed, Jun 15, 2011	33.55	33.70	32.88	33.33
3288	NASDAQ	IOSP	Tue, Jun 14, 2011	33.95	33.95	33.64	33.72
3287	NASDAQ	IOSP	Mon, Jun 13, 2011	33.02	33.85	33.02	33.66
3286	NASDAQ	IOSP	Fri, Jun 10, 2011	33.16	33.61	32.83	33.03
3285	NASDAQ	IOSP	Thu, Jun 9, 2011	32.63	33.59	32.36	33.22
3284	NASDAQ	IOSP	Wed, Jun 8, 2011	32.28	32.60	31.94	32.41
3283	NASDAQ	IOSP	Tue, Jun 7, 2011	32.38	32.88	32.01	32.30
3282	NASDAQ	IOSP	Mon, Jun 6, 2011	32.38	32.81	31.95	32.18
3281	NASDAQ	IOSP	Fri, Jun 3, 2011	32.26	32.95	31.48	32.53
3280	NASDAQ	IOSP	Thu, Jun 2, 2011	32.45	33.19	32.40	32.70
3279	NASDAQ	IOSP	Wed, Jun 1, 2011	33.91	34.22	32.37	32.47
3278	NASDAQ	IOSP	Tue, May 31, 2011	33.33	34.24	33.09	33.89
3277	NASDAQ	IOSP	Fri, May 27, 2011	32.57	33.25	32.55	33.03
3276	NASDAQ	IOSP	Thu, May 26, 2011	31.85	32.67	31.55	32.53
3275	NASDAQ	IOSP	Wed, May 25, 2011	31.26	31.97	31.26	31.89
3274	NASDAQ	IOSP	Tue, May 24, 2011	31.35	31.86	31.30	31.51
3273	NASDAQ	IOSP	Mon, May 23, 2011	31.50	31.60	31.02	31.32
3272	NASDAQ	IOSP	Fri, May 20, 2011	32.29	32.29	31.50	31.74
3271	NASDAQ	IOSP	Thu, May 19, 2011	32.63	32.71	31.99	32.35
3270	NASDAQ	IOSP	Wed, May 18, 2011	31.17	32.71	31.02	32.20
3269	NASDAQ	IOSP	Tue, May 17, 2011	31.61	31.79	31.09	31.25
3268	NASDAQ	IOSP	Mon, May 16, 2011	32.17	32.92	32.12	32.35
3267	NASDAQ	IOSP	Fri, May 13, 2011	32.38	32.80	32.15	32.73
3266	NASDAQ	IOSP	Thu, May 12, 2011	32.61	33.18	32.14	32.45
3265	NASDAQ	IOSP	Wed, May 11, 2011	31.30	32.69	31.30	32.60
3264	NASDAQ	IOSP	Tue, May 10, 2011	34.00	34.50	31.00	31.67
3263	NASDAQ	IOSP	Mon, May 9, 2011	34.30	35.13	34.29	34.69
3262	NASDAQ	IOSP	Fri, May 6, 2011	33.56	34.24	33.09	34.08
3261	NASDAQ	IOSP	Thu, May 5, 2011	31.91	33.32	31.23	33.24
3260	NASDAQ	IOSP	Wed, May 4, 2011	33.44	33.61	31.73	32.50
3259	NASDAQ	IOSP	Tue, May 3, 2011	35.71	35.80	32.85	33.74
3258	NASDAQ	IOSP	Mon, May 2, 2011	38.24	38.24	36.01	36.20
3257	NASDAQ	IOSP	Fri, Apr 29, 2011	36.45	38.15	36.45	37.66
3256	NASDAQ	IOSP	Thu, Apr 28, 2011	35.00	36.29	34.90	36.29
3255	NASDAQ	IOSP	Wed, Apr 27, 2011	35.48	35.81	34.37	35.04
3254	NASDAQ	IOSP	Tue, Apr 26, 2011	35.90	35.97	35.25	35.43
3253	NASDAQ	IOSP	Mon, Apr 25, 2011	35.19	36.44	34.79	35.25
3252	NASDAQ	IOSP	Thu, Apr 21, 2011	34.31	34.99	33.77	34.70
3251	NASDAQ	IOSP	Wed, Apr 20, 2011	33.95	34.93	33.53	33.82
3250	NASDAQ	IOSP	Tue, Apr 19, 2011	32.80	33.64	32.50	33.37
3249	NASDAQ	IOSP	Mon, Apr 18, 2011	32.96	32.96	32.16	32.94
3248	NASDAQ	IOSP	Fri, Apr 15, 2011	32.57	33.38	32.01	33.14
3247	NASDAQ	IOSP	Thu, Apr 14, 2011	32.20	32.49	31.81	32.46
3246	NASDAQ	IOSP	Wed, Apr 13, 2011	32.00	32.32	31.87	32.29
3245	NASDAQ	IOSP	Tue, Apr 12, 2011	32.39	33.04	31.45	31.75
3244	NASDAQ	IOSP	Mon, Apr 11, 2011	33.48	33.68	32.07	32.34
3243	NASDAQ	IOSP	Fri, Apr 8, 2011	32.50	32.79	32.14	32.41
3242	NASDAQ	IOSP	Thu, Apr 7, 2011	33.13	33.23	32.13	32.40
3241	NASDAQ	IOSP	Wed, Apr 6, 2011	32.44	33.46	32.16	32.95
3240	NASDAQ	IOSP	Tue, Apr 5, 2011	31.52	32.01	31.22	32.01
3239	NASDAQ	IOSP	Mon, Apr 4, 2011	31.49	31.85	31.17	31.39
3238	NASDAQ	IOSP	Fri, Apr 1, 2011	32.24	32.50	30.04	31.01
3237	NASDAQ	IOSP	Thu, Mar 31, 2011	31.65	32.17	31.27	31.94
3236	NASDAQ	IOSP	Wed, Mar 30, 2011	29.77	32.14	29.51	31.40
3235	NASDAQ	IOSP	Tue, Mar 29, 2011	29.34	29.50	29.14	29.33
3234	NASDAQ	IOSP	Mon, Mar 28, 2011	29.78	30.00	29.00	29.24
3233	NASDAQ	IOSP	Fri, Mar 25, 2011	29.19	29.46	29.01	29.25
3232	NASDAQ	IOSP	Thu, Mar 24, 2011	29.54	29.85	29.01	29.17
3231	NASDAQ	IOSP	Wed, Mar 23, 2011	28.07	29.24	27.75	29.00
3230	NASDAQ	IOSP	Tue, Mar 22, 2011	28.45	28.60	28.01	28.07
3229	NASDAQ	IOSP	Mon, Mar 21, 2011	27.86	28.77	27.81	28.50
3228	NASDAQ	IOSP	Fri, Mar 18, 2011	28.56	28.97	27.52	27.52
3227	NASDAQ	IOSP	Thu, Mar 17, 2011	28.39	28.67	27.77	28.15
3226	NASDAQ	IOSP	Wed, Mar 16, 2011	28.74	28.89	27.38	27.87
3225	NASDAQ	IOSP	Tue, Mar 15, 2011	28.84	29.08	28.24	28.64
3224	NASDAQ	IOSP	Mon, Mar 14, 2011	28.03	29.30	28.03	29.14
3223	NASDAQ	IOSP	Fri, Mar 11, 2011	27.82	28.16	27.57	27.95
3222	NASDAQ	IOSP	Thu, Mar 10, 2011	28.01	28.70	27.55	28.09
3221	NASDAQ	IOSP	Wed, Mar 9, 2011	29.10	29.11	28.13	28.58
3220	NASDAQ	IOSP	Tue, Mar 8, 2011	29.24	29.25	28.52	28.52
3219	NASDAQ	IOSP	Mon, Mar 7, 2011	30.05	32.11	28.24	28.89
3218	NASDAQ	IOSP	Fri, Mar 4, 2011	26.64	26.64	25.67	26.35
3217	NASDAQ	IOSP	Thu, Mar 3, 2011	26.25	27.09	26.25	26.58
3216	NASDAQ	IOSP	Wed, Mar 2, 2011	25.87	26.10	25.36	26.10
3215	NASDAQ	IOSP	Tue, Mar 1, 2011	26.98	26.98	25.35	25.61
3214	NASDAQ	IOSP	Mon, Feb 28, 2011	26.96	27.29	26.60	26.87
3213	NASDAQ	IOSP	Fri, Feb 25, 2011	27.08	27.08	26.15	26.96
3212	NASDAQ	IOSP	Thu, Feb 24, 2011	27.49	27.49	26.15	26.87
3211	NASDAQ	IOSP	Wed, Feb 23, 2011	27.07	27.73	26.60	27.20
3210	NASDAQ	IOSP	Tue, Feb 22, 2011	27.04	27.10	25.51	25.89
3209	NASDAQ	IOSP	Fri, Feb 18, 2011	26.92	27.93	26.54	27.11
3208	NASDAQ	IOSP	Thu, Feb 17, 2011	26.48	27.26	26.45	26.72
3207	NASDAQ	IOSP	Wed, Feb 16, 2011	25.95	27.31	25.51	26.44
3206	NASDAQ	IOSP	Tue, Feb 15, 2011	23.48	23.63	23.34	23.48
3205	NASDAQ	IOSP	Mon, Feb 14, 2011	23.10	23.44	23.05	23.31
3204	NASDAQ	IOSP	Fri, Feb 11, 2011	22.25	23.02	22.13	22.96
3203	NASDAQ	IOSP	Thu, Feb 10, 2011	23.33	23.50	22.37	22.42
3202	NASDAQ	IOSP	Wed, Feb 9, 2011	22.27	23.62	22.27	23.29
3201	NASDAQ	IOSP	Tue, Feb 8, 2011	23.00	23.24	22.82	22.98
3200	NASDAQ	IOSP	Mon, Feb 7, 2011	22.50	23.60	22.50	22.99
3199	NASDAQ	IOSP	Fri, Feb 4, 2011	20.53	22.38	20.53	22.35
3198	NASDAQ	IOSP	Thu, Feb 3, 2011	20.35	20.63	20.30	20.58
3197	NASDAQ	IOSP	Wed, Feb 2, 2011	20.33	20.77	20.24	20.46
3196	NASDAQ	IOSP	Tue, Feb 1, 2011	20.20	20.55	20.04	20.31
3195	NASDAQ	IOSP	Mon, Jan 31, 2011	20.07	20.17	19.96	20.12
3194	NASDAQ	IOSP	Fri, Jan 28, 2011	20.00	20.13	19.69	19.88
3193	NASDAQ	IOSP	Thu, Jan 27, 2011	20.19	20.27	19.98	19.98
3192	NASDAQ	IOSP	Wed, Jan 26, 2011	19.40	20.34	19.40	20.19
3191	NASDAQ	IOSP	Tue, Jan 25, 2011	19.03	19.58	18.53	19.54
3190	NASDAQ	IOSP	Mon, Jan 24, 2011	19.44	19.68	19.09	19.16
3189	NASDAQ	IOSP	Fri, Jan 21, 2011	19.50	19.66	19.18	19.46
3188	NASDAQ	IOSP	Thu, Jan 20, 2011	19.98	19.98	19.14	19.38
3187	NASDAQ	IOSP	Wed, Jan 19, 2011	20.48	20.59	19.99	20.08
3186	NASDAQ	IOSP	Tue, Jan 18, 2011	20.47	20.66	20.40	20.51
3185	NASDAQ	IOSP	Fri, Jan 14, 2011	20.66	20.66	20.30	20.36
3184	NASDAQ	IOSP	Thu, Jan 13, 2011	20.76	20.83	20.51	20.61
3183	NASDAQ	IOSP	Wed, Jan 12, 2011	20.80	20.96	20.64	20.73
3182	NASDAQ	IOSP	Tue, Jan 11, 2011	20.92	21.33	20.49	20.61
3181	NASDAQ	IOSP	Mon, Jan 10, 2011	20.36	20.73	20.15	20.67
3180	NASDAQ	IOSP	Fri, Jan 7, 2011	20.47	20.48	20.20	20.47
3179	NASDAQ	IOSP	Thu, Jan 6, 2011	20.48	20.51	20.23	20.39
3178	NASDAQ	IOSP	Wed, Jan 5, 2011	20.12	20.67	19.89	20.51
3177	NASDAQ	IOSP	Tue, Jan 4, 2011	20.78	20.79	19.79	20.27
3176	NASDAQ	IOSP	Mon, Jan 3, 2011	20.50	21.19	20.43	20.68
3175	NASDAQ	IOSP	Fri, Dec 31, 2010	20.50	20.62	20.19	20.40
3174	NASDAQ	IOSP	Thu, Dec 30, 2010	20.73	20.99	20.39	20.50
3173	NASDAQ	IOSP	Wed, Dec 29, 2010	20.84	21.08	20.73	21.00
3172	NASDAQ	IOSP	Tue, Dec 28, 2010	20.89	20.96	20.07	20.85
3171	NASDAQ	IOSP	Mon, Dec 27, 2010	21.07	21.07	20.65	20.96
3170	NASDAQ	IOSP	Thu, Dec 23, 2010	21.50	21.50	20.98	20.98
3169	NASDAQ	IOSP	Wed, Dec 22, 2010	21.26	21.91	21.15	21.58
3168	NASDAQ	IOSP	Tue, Dec 21, 2010	21.65	21.79	21.15	21.15
3167	NASDAQ	IOSP	Mon, Dec 20, 2010	21.84	21.99	21.63	21.65
3166	NASDAQ	IOSP	Fri, Dec 17, 2010	22.08	22.08	21.62	21.80
3165	NASDAQ	IOSP	Thu, Dec 16, 2010	21.85	22.07	21.33	22.00
3164	NASDAQ	IOSP	Wed, Dec 15, 2010	22.13	22.63	21.73	21.85
3163	NASDAQ	IOSP	Tue, Dec 14, 2010	22.08	22.27	22.03	22.12
3162	NASDAQ	IOSP	Mon, Dec 13, 2010	21.80	22.08	21.80	21.97
3161	NASDAQ	IOSP	Fri, Dec 10, 2010	22.26	22.26	21.74	21.76
3160	NASDAQ	IOSP	Thu, Dec 9, 2010	21.91	22.32	21.91	22.25
3159	NASDAQ	IOSP	Wed, Dec 8, 2010	22.52	22.63	21.68	21.73
3158	NASDAQ	IOSP	Tue, Dec 7, 2010	22.49	22.85	22.21	22.40
3157	NASDAQ	IOSP	Mon, Dec 6, 2010	21.05	22.24	21.05	22.19
3156	NASDAQ	IOSP	Fri, Dec 3, 2010	21.56	21.68	21.10	21.12
3155	NASDAQ	IOSP	Thu, Dec 2, 2010	21.89	22.02	21.63	21.66
3154	NASDAQ	IOSP	Wed, Dec 1, 2010	21.62	22.13	21.49	21.80
3153	NASDAQ	IOSP	Tue, Nov 30, 2010	20.85	21.45	20.53	21.44
3152	NASDAQ	IOSP	Mon, Nov 29, 2010	20.49	21.38	20.40	21.09
3151	NASDAQ	IOSP	Fri, Nov 26, 2010	20.17	20.79	20.17	20.54
3150	NASDAQ	IOSP	Wed, Nov 24, 2010	20.19	21.01	20.19	20.63
3149	NASDAQ	IOSP	Tue, Nov 23, 2010	20.20	20.36	20.00	20.15
3148	NASDAQ	IOSP	Mon, Nov 22, 2010	20.68	20.69	19.89	20.44
3147	NASDAQ	IOSP	Fri, Nov 19, 2010	20.70	20.92	20.55	20.63
3146	NASDAQ	IOSP	Thu, Nov 18, 2010	20.70	21.26	20.58	20.68
3145	NASDAQ	IOSP	Wed, Nov 17, 2010	19.75	20.64	19.75	20.39
3144	NASDAQ	IOSP	Tue, Nov 16, 2010	19.75	20.21	19.54	19.71
3143	NASDAQ	IOSP	Mon, Nov 15, 2010	19.85	20.17	19.42	19.87
3142	NASDAQ	IOSP	Fri, Nov 12, 2010	19.70	20.03	19.46	19.85
3141	NASDAQ	IOSP	Thu, Nov 11, 2010	19.48	20.12	19.47	19.87
3140	NASDAQ	IOSP	Wed, Nov 10, 2010	19.66	20.13	19.47	19.76
3139	NASDAQ	IOSP	Tue, Nov 9, 2010	19.47	19.80	19.40	19.70
3138	NASDAQ	IOSP	Mon, Nov 8, 2010	19.25	19.86	19.21	19.48
3137	NASDAQ	IOSP	Fri, Nov 5, 2010	18.15	19.54	18.15	19.25
3136	NASDAQ	IOSP	Thu, Nov 4, 2010	17.86	18.34	17.85	18.11
3135	NASDAQ	IOSP	Wed, Nov 3, 2010	17.60	17.80	17.46	17.67
3134	NASDAQ	IOSP	Tue, Nov 2, 2010	17.55	17.95	17.31	17.59
3133	NASDAQ	IOSP	Mon, Nov 1, 2010	17.18	17.47	16.67	16.90
3132	NASDAQ	IOSP	Fri, Oct 29, 2010	16.25	17.01	15.40	16.93
3131	NASDAQ	IOSP	Thu, Oct 28, 2010	16.34	16.46	15.91	16.29
3130	NASDAQ	IOSP	Wed, Oct 27, 2010	16.65	16.69	16.04	16.43
3129	NASDAQ	IOSP	Tue, Oct 26, 2010	16.80	17.19	16.73	16.79
3128	NASDAQ	IOSP	Mon, Oct 25, 2010	17.09	17.36	16.96	16.96
3127	NASDAQ	IOSP	Fri, Oct 22, 2010	16.99	17.40	16.89	16.93
3126	NASDAQ	IOSP	Thu, Oct 21, 2010	16.93	17.27	16.60	16.99
3125	NASDAQ	IOSP	Wed, Oct 20, 2010	16.29	17.22	16.13	16.77
3124	NASDAQ	IOSP	Tue, Oct 19, 2010	16.35	16.60	15.96	16.25
3123	NASDAQ	IOSP	Mon, Oct 18, 2010	16.56	16.66	16.46	16.51
3122	NASDAQ	IOSP	Fri, Oct 15, 2010	16.89	16.98	16.44	16.51
3121	NASDAQ	IOSP	Thu, Oct 14, 2010	16.93	16.93	16.54	16.72
3120	NASDAQ	IOSP	Wed, Oct 13, 2010	16.65	17.00	16.45	16.93
3119	NASDAQ	IOSP	Tue, Oct 12, 2010	16.47	16.59	16.25	16.48
3118	NASDAQ	IOSP	Mon, Oct 11, 2010	16.34	16.61	16.24	16.42
3117	NASDAQ	IOSP	Fri, Oct 8, 2010	16.23	16.52	16.05	16.35
3116	NASDAQ	IOSP	Thu, Oct 7, 2010	16.50	16.55	16.32	16.40
3115	NASDAQ	IOSP	Wed, Oct 6, 2010	16.45	16.70	16.33	16.44
3114	NASDAQ	IOSP	Tue, Oct 5, 2010	16.37	17.09	16.23	16.50
3113	NASDAQ	IOSP	Mon, Oct 4, 2010	15.29	16.27	15.29	16.12
3112	NASDAQ	IOSP	Fri, Oct 1, 2010	15.33	15.60	15.26	15.38
3111	NASDAQ	IOSP	Thu, Sep 30, 2010	14.90	15.35	14.84	15.23
3110	NASDAQ	IOSP	Wed, Sep 29, 2010	14.76	14.89	14.70	14.86
3109	NASDAQ	IOSP	Tue, Sep 28, 2010	14.86	14.97	14.55	14.81
3108	NASDAQ	IOSP	Mon, Sep 27, 2010	14.32	14.99	14.20	14.86
3107	NASDAQ	IOSP	Fri, Sep 24, 2010	14.40	14.45	14.08	14.34
3106	NASDAQ	IOSP	Thu, Sep 23, 2010	14.14	14.31	14.06	14.25
3105	NASDAQ	IOSP	Wed, Sep 22, 2010	14.24	14.37	14.09	14.25
3104	NASDAQ	IOSP	Tue, Sep 21, 2010	14.57	14.57	14.05	14.24
3103	NASDAQ	IOSP	Mon, Sep 20, 2010	14.28	14.79	14.27	14.49
3102	NASDAQ	IOSP	Fri, Sep 17, 2010	14.65	14.65	14.23	14.25
3101	NASDAQ	IOSP	Thu, Sep 16, 2010	14.34	14.85	14.34	14.56
3100	NASDAQ	IOSP	Wed, Sep 15, 2010	14.04	14.29	13.91	14.20
3099	NASDAQ	IOSP	Tue, Sep 14, 2010	13.83	14.16	13.74	14.07
3098	NASDAQ	IOSP	Mon, Sep 13, 2010	13.65	14.28	12.70	13.84
3097	NASDAQ	IOSP	Fri, Sep 10, 2010	13.71	13.79	13.44	13.60
3096	NASDAQ	IOSP	Thu, Sep 9, 2010	13.80	13.80	13.30	13.64
3095	NASDAQ	IOSP	Wed, Sep 8, 2010	13.20	13.86	13.20	13.60
3094	NASDAQ	IOSP	Tue, Sep 7, 2010	13.45	13.50	13.17	13.19
3093	NASDAQ	IOSP	Fri, Sep 3, 2010	13.44	13.56	13.23	13.47
3092	NASDAQ	IOSP	Thu, Sep 2, 2010	12.91	13.37	12.83	13.25
3091	NASDAQ	IOSP	Wed, Sep 1, 2010	12.55	13.10	12.38	13.00
3090	NASDAQ	IOSP	Tue, Aug 31, 2010	11.99	12.45	11.96	12.40
3089	NASDAQ	IOSP	Mon, Aug 30, 2010	11.80	12.04	11.80	11.93
3088	NASDAQ	IOSP	Fri, Aug 27, 2010	11.87	11.95	11.53	11.87
3087	NASDAQ	IOSP	Thu, Aug 26, 2010	11.71	11.89	11.51	11.74
3086	NASDAQ	IOSP	Wed, Aug 25, 2010	11.50	11.67	11.32	11.62
3085	NASDAQ	IOSP	Tue, Aug 24, 2010	11.52	11.56	11.16	11.52
3084	NASDAQ	IOSP	Mon, Aug 23, 2010	11.84	11.99	11.59	11.70
3083	NASDAQ	IOSP	Fri, Aug 20, 2010	11.84	11.94	11.74	11.77
3082	NASDAQ	IOSP	Thu, Aug 19, 2010	12.28	12.28	11.76	11.92
3081	NASDAQ	IOSP	Wed, Aug 18, 2010	11.95	12.39	11.80	12.34
3080	NASDAQ	IOSP	Tue, Aug 17, 2010	11.93	12.15	11.93	11.94
3079	NASDAQ	IOSP	Mon, Aug 16, 2010	11.64	12.06	11.60	11.82
3078	NASDAQ	IOSP	Fri, Aug 13, 2010	11.79	11.79	11.50	11.66
3077	NASDAQ	IOSP	Thu, Aug 12, 2010	11.63	11.98	11.63	11.76
3076	NASDAQ	IOSP	Wed, Aug 11, 2010	11.81	11.98	11.72	11.83
3075	NASDAQ	IOSP	Tue, Aug 10, 2010	12.05	12.35	11.91	12.17
3074	NASDAQ	IOSP	Mon, Aug 9, 2010	12.08	12.35	11.82	12.24
3073	NASDAQ	IOSP	Fri, Aug 6, 2010	12.06	12.33	11.64	11.81
3072	NASDAQ	IOSP	Thu, Aug 5, 2010	12.08	12.52	11.88	12.27
3071	NASDAQ	IOSP	Wed, Aug 4, 2010	12.87	13.00	12.06	12.11
3070	NASDAQ	IOSP	Tue, Aug 3, 2010	11.01	11.88	10.75	11.76
3069	NASDAQ	IOSP	Mon, Aug 2, 2010	11.39	11.94	10.97	11.07
3068	NASDAQ	IOSP	Fri, Jul 30, 2010	11.25	11.49	10.87	11.00
3067	NASDAQ	IOSP	Thu, Jul 29, 2010	11.41	11.60	11.10	11.51
3066	NASDAQ	IOSP	Wed, Jul 28, 2010	11.50	11.60	11.25	11.34
3065	NASDAQ	IOSP	Tue, Jul 27, 2010	11.62	11.82	11.47	11.50
3064	NASDAQ	IOSP	Mon, Jul 26, 2010	11.29	11.70	11.25	11.57
3063	NASDAQ	IOSP	Fri, Jul 23, 2010	10.94	11.49	10.88	11.29
3062	NASDAQ	IOSP	Thu, Jul 22, 2010	10.90	11.10	10.81	10.90
3061	NASDAQ	IOSP	Wed, Jul 21, 2010	10.44	10.91	10.44	10.73
3060	NASDAQ	IOSP	Tue, Jul 20, 2010	10.00	10.52	10.00	10.34
3059	NASDAQ	IOSP	Mon, Jul 19, 2010	10.03	10.18	9.98	10.07
3058	NASDAQ	IOSP	Fri, Jul 16, 2010	10.00	10.29	9.99	10.04
3057	NASDAQ	IOSP	Thu, Jul 15, 2010	10.13	10.20	9.84	10.11
3056	NASDAQ	IOSP	Wed, Jul 14, 2010	10.22	10.33	10.10	10.16
3055	NASDAQ	IOSP	Tue, Jul 13, 2010	10.01	10.34	9.84	10.21
3054	NASDAQ	IOSP	Mon, Jul 12, 2010	9.70	9.87	9.51	9.76
3053	NASDAQ	IOSP	Fri, Jul 9, 2010	9.66	9.84	9.55	9.80
3052	NASDAQ	IOSP	Thu, Jul 8, 2010	9.71	10.16	9.52	9.73
3051	NASDAQ	IOSP	Wed, Jul 7, 2010	8.68	9.66	8.68	9.56
3050	NASDAQ	IOSP	Tue, Jul 6, 2010	9.54	9.54	8.67	8.68
3049	NASDAQ	IOSP	Fri, Jul 2, 2010	9.48	9.69	9.12	9.31
3048	NASDAQ	IOSP	Thu, Jul 1, 2010	9.42	9.65	9.23	9.42
3047	NASDAQ	IOSP	Wed, Jun 30, 2010	9.84	10.01	9.36	9.38
3046	NASDAQ	IOSP	Tue, Jun 29, 2010	10.13	10.17	9.81	9.91
3045	NASDAQ	IOSP	Mon, Jun 28, 2010	10.40	10.65	10.12	10.38
3044	NASDAQ	IOSP	Fri, Jun 25, 2010	10.43	10.75	10.05	10.28
3043	NASDAQ	IOSP	Thu, Jun 24, 2010	10.65	10.70	10.25	10.36
3042	NASDAQ	IOSP	Wed, Jun 23, 2010	10.80	10.99	10.65	10.74
3041	NASDAQ	IOSP	Tue, Jun 22, 2010	10.91	11.35	10.76	10.80
3040	NASDAQ	IOSP	Mon, Jun 21, 2010	11.63	11.81	10.67	10.82
3039	NASDAQ	IOSP	Fri, Jun 18, 2010	11.20	11.62	10.95	11.43
3038	NASDAQ	IOSP	Thu, Jun 17, 2010	11.33	11.34	10.95	11.11
3037	NASDAQ	IOSP	Wed, Jun 16, 2010	11.35	11.56	11.10	11.27
3036	NASDAQ	IOSP	Tue, Jun 15, 2010	11.32	11.62	11.14	11.49
3035	NASDAQ	IOSP	Mon, Jun 14, 2010	11.62	11.75	11.11	11.27
3034	NASDAQ	IOSP	Fri, Jun 11, 2010	11.22	11.74	11.22	11.50
3033	NASDAQ	IOSP	Thu, Jun 10, 2010	11.01	11.41	10.88	11.40
3032	NASDAQ	IOSP	Wed, Jun 9, 2010	11.01	11.21	10.72	10.80
3031	NASDAQ	IOSP	Tue, Jun 8, 2010	11.21	11.22	10.70	10.83
3030	NASDAQ	IOSP	Mon, Jun 7, 2010	11.78	11.88	11.14	11.17
3029	NASDAQ	IOSP	Fri, Jun 4, 2010	11.77	12.09	11.45	11.73
3028	NASDAQ	IOSP	Thu, Jun 3, 2010	12.16	12.41	12.06	12.22
3027	NASDAQ	IOSP	Wed, Jun 2, 2010	12.11	12.31	11.89	12.20
3026	NASDAQ	IOSP	Tue, Jun 1, 2010	12.33	12.55	12.04	12.04
3025	NASDAQ	IOSP	Fri, May 28, 2010	12.54	12.56	12.02	12.44
3024	NASDAQ	IOSP	Thu, May 27, 2010	12.61	12.83	12.17	12.56
3023	NASDAQ	IOSP	Wed, May 26, 2010	12.07	12.57	12.01	12.18
3022	NASDAQ	IOSP	Tue, May 25, 2010	11.50	12.00	11.23	11.93
3021	NASDAQ	IOSP	Mon, May 24, 2010	12.27	12.41	11.91	11.94
3020	NASDAQ	IOSP	Fri, May 21, 2010	11.92	12.86	11.76	12.25
3019	NASDAQ	IOSP	Thu, May 20, 2010	12.70	12.97	12.12	12.24
3018	NASDAQ	IOSP	Wed, May 19, 2010	13.51	13.61	13.08	13.24
3017	NASDAQ	IOSP	Tue, May 18, 2010	13.86	14.11	13.37	13.54
3016	NASDAQ	IOSP	Mon, May 17, 2010	13.61	14.26	13.04	13.60
3015	NASDAQ	IOSP	Fri, May 14, 2010	13.32	13.49	13.09	13.41
3014	NASDAQ	IOSP	Thu, May 13, 2010	13.70	13.70	13.25	13.44
3013	NASDAQ	IOSP	Wed, May 12, 2010	13.81	14.13	13.49	13.81
3012	NASDAQ	IOSP	Tue, May 11, 2010	12.92	13.99	12.84	13.79
3011	NASDAQ	IOSP	Mon, May 10, 2010	14.08	14.76	12.72	13.19
3010	NASDAQ	IOSP	Fri, May 7, 2010	13.00	13.90	12.50	13.22
3009	NASDAQ	IOSP	Thu, May 6, 2010	12.76	14.06	11.13	12.24
3008	NASDAQ	IOSP	Wed, May 5, 2010	13.16	13.20	12.75	12.85
3007	NASDAQ	IOSP	Tue, May 4, 2010	13.65	13.70	13.11	13.35
3006	NASDAQ	IOSP	Mon, May 3, 2010	13.45	13.94	13.12	13.92
3005	NASDAQ	IOSP	Fri, Apr 30, 2010	14.56	14.56	13.31	13.31
3004	NASDAQ	IOSP	Thu, Apr 29, 2010	13.56	14.87	13.47	14.59
3003	NASDAQ	IOSP	Wed, Apr 28, 2010	13.88	13.98	13.32	13.37
3002	NASDAQ	IOSP	Tue, Apr 27, 2010	13.43	14.07	13.36	13.67
3001	NASDAQ	IOSP	Mon, Apr 26, 2010	12.98	13.64	12.81	13.45
3000	NASDAQ	IOSP	Fri, Apr 23, 2010	12.88	13.03	12.44	12.99
2999	NASDAQ	IOSP	Thu, Apr 22, 2010	12.93	13.05	12.68	12.90
2998	NASDAQ	IOSP	Wed, Apr 21, 2010	13.00	13.23	12.80	13.18
2997	NASDAQ	IOSP	Tue, Apr 20, 2010	12.74	13.07	12.74	13.01
2996	NASDAQ	IOSP	Mon, Apr 19, 2010	12.58	12.87	12.46	12.61
2995	NASDAQ	IOSP	Fri, Apr 16, 2010	12.83	12.99	12.45	12.70
2994	NASDAQ	IOSP	Thu, Apr 15, 2010	13.15	13.54	12.83	12.83
2993	NASDAQ	IOSP	Wed, Apr 14, 2010	12.49	13.20	12.40	13.18
2992	NASDAQ	IOSP	Tue, Apr 13, 2010	12.27	12.47	12.01	12.35
2991	NASDAQ	IOSP	Mon, Apr 12, 2010	12.13	12.50	12.07	12.28
2990	NASDAQ	IOSP	Fri, Apr 9, 2010	12.35	12.40	12.09	12.17
2989	NASDAQ	IOSP	Thu, Apr 8, 2010	11.93	12.57	11.93	12.39
2988	NASDAQ	IOSP	Wed, Apr 7, 2010	11.87	12.25	11.73	12.03
2987	NASDAQ	IOSP	Tue, Apr 6, 2010	11.68	12.05	11.66	11.93
2986	NASDAQ	IOSP	Mon, Apr 5, 2010	11.65	12.02	11.65	11.82
2985	NASDAQ	IOSP	Thu, Apr 1, 2010	11.45	11.97	11.20	11.56
2984	NASDAQ	IOSP	Wed, Mar 31, 2010	11.52	11.72	11.33	11.36
2983	NASDAQ	IOSP	Tue, Mar 30, 2010	11.80	11.98	11.54	11.63
2982	NASDAQ	IOSP	Mon, Mar 29, 2010	11.81	12.01	11.70	11.74
2981	NASDAQ	IOSP	Fri, Mar 26, 2010	11.49	11.85	11.46	11.79
2980	NASDAQ	IOSP	Thu, Mar 25, 2010	11.87	12.17	11.42	11.45
2979	NASDAQ	IOSP	Wed, Mar 24, 2010	12.26	12.30	11.68	11.70
2978	NASDAQ	IOSP	Tue, Mar 23, 2010	11.82	12.36	11.72	12.31
2977	NASDAQ	IOSP	Mon, Mar 22, 2010	11.52	11.98	11.33	11.85
2976	NASDAQ	IOSP	Fri, Mar 19, 2010	11.39	11.71	11.13	11.70
2975	NASDAQ	IOSP	Thu, Mar 18, 2010	10.82	11.71	10.75	11.30
2974	NASDAQ	IOSP	Wed, Mar 17, 2010	10.52	10.94	10.34	10.82
2973	NASDAQ	IOSP	Tue, Mar 16, 2010	11.03	11.33	10.99	11.01
2972	NASDAQ	IOSP	Mon, Mar 15, 2010	10.53	11.13	10.46	10.99
2971	NASDAQ	IOSP	Fri, Mar 12, 2010	10.82	10.93	10.40	10.53
2970	NASDAQ	IOSP	Thu, Mar 11, 2010	10.70	10.84	10.59	10.78
2969	NASDAQ	IOSP	Wed, Mar 10, 2010	10.77	10.98	10.66	10.84
2968	NASDAQ	IOSP	Tue, Mar 9, 2010	10.99	11.03	10.72	10.79
2967	NASDAQ	IOSP	Mon, Mar 8, 2010	11.51	11.59	10.93	11.00
2966	NASDAQ	IOSP	Fri, Mar 5, 2010	11.02	11.46	10.97	11.43
2965	NASDAQ	IOSP	Thu, Mar 4, 2010	10.73	11.08	10.73	11.00
2964	NASDAQ	IOSP	Wed, Mar 3, 2010	10.81	11.10	10.64	10.72
2963	NASDAQ	IOSP	Tue, Mar 2, 2010	10.49	10.84	10.49	10.75
2962	NASDAQ	IOSP	Mon, Mar 1, 2010	10.78	11.15	10.24	10.41
2961	NASDAQ	IOSP	Fri, Feb 26, 2010	10.91	11.24	10.64	10.65
2960	NASDAQ	IOSP	Thu, Feb 25, 2010	10.71	11.17	10.59	10.86
2959	NASDAQ	IOSP	Wed, Feb 24, 2010	10.79	11.09	10.74	10.92
2958	NASDAQ	IOSP	Tue, Feb 23, 2010	10.45	10.74	10.45	10.60
2957	NASDAQ	IOSP	Mon, Feb 22, 2010	10.57	10.62	10.47	10.51
2956	NASDAQ	IOSP	Fri, Feb 19, 2010	10.75	11.02	10.48	10.54
2955	NASDAQ	IOSP	Thu, Feb 18, 2010	10.70	10.79	10.52	10.77
2954	NASDAQ	IOSP	Wed, Feb 17, 2010	10.49	10.96	10.40	10.74
2953	NASDAQ	IOSP	Tue, Feb 16, 2010	9.69	10.78	9.69	10.38
2952	NASDAQ	IOSP	Fri, Feb 12, 2010	9.46	9.83	9.12	9.53
2951	NASDAQ	IOSP	Thu, Feb 11, 2010	9.11	9.61	8.94	9.59
2950	NASDAQ	IOSP	Wed, Feb 10, 2010	8.74	9.11	8.66	9.11
2949	NASDAQ	IOSP	Tue, Feb 9, 2010	8.91	8.91	8.59	8.82
2948	NASDAQ	IOSP	Mon, Feb 8, 2010	9.27	9.27	8.65	8.69
2947	NASDAQ	IOSP	Fri, Feb 5, 2010	8.93	9.26	8.73	9.25
2946	NASDAQ	IOSP	Thu, Feb 4, 2010	9.35	9.51	8.76	8.89
2945	NASDAQ	IOSP	Wed, Feb 3, 2010	9.67	10.02	9.30	9.51
2944	NASDAQ	IOSP	Tue, Feb 2, 2010	9.79	9.82	9.45	9.67
2943	NASDAQ	IOSP	Mon, Feb 1, 2010	9.79	10.01	9.66	9.77
2942	NASDAQ	IOSP	Fri, Jan 29, 2010	10.38	10.40	9.74	9.75
2941	NASDAQ	IOSP	Thu, Jan 28, 2010	11.32	11.32	10.21	10.29
2940	NASDAQ	IOSP	Wed, Jan 27, 2010	10.76	11.31	10.76	11.25
2939	NASDAQ	IOSP	Tue, Jan 26, 2010	11.11	11.30	10.77	10.78
2938	NASDAQ	IOSP	Mon, Jan 25, 2010	11.68	11.68	11.10	11.18
2937	NASDAQ	IOSP	Fri, Jan 22, 2010	11.10	11.85	11.10	11.51
2936	NASDAQ	IOSP	Thu, Jan 21, 2010	11.81	11.90	10.99	11.06
2935	NASDAQ	IOSP	Wed, Jan 20, 2010	11.77	11.95	11.64	11.80
2934	NASDAQ	IOSP	Tue, Jan 19, 2010	11.60	12.00	11.54	11.97
2933	NASDAQ	IOSP	Fri, Jan 15, 2010	11.82	11.89	11.40	11.57
2932	NASDAQ	IOSP	Thu, Jan 14, 2010	11.49	11.88	11.48	11.78
2931	NASDAQ	IOSP	Wed, Jan 13, 2010	11.08	11.56	11.00	11.49
2930	NASDAQ	IOSP	Tue, Jan 12, 2010	10.97	11.14	10.88	11.06
2929	NASDAQ	IOSP	Mon, Jan 11, 2010	11.05	11.21	10.85	11.13
2928	NASDAQ	IOSP	Fri, Jan 8, 2010	10.56	11.13	10.50	10.97
2927	NASDAQ	IOSP	Thu, Jan 7, 2010	10.45	10.73	10.19	10.59
2926	NASDAQ	IOSP	Wed, Jan 6, 2010	10.60	10.75	10.43	10.50
2925	NASDAQ	IOSP	Tue, Jan 5, 2010	10.24	10.75	10.07	10.57
2924	NASDAQ	IOSP	Mon, Jan 4, 2010	10.32	10.35	9.91	10.27
2923	NASDAQ	IOSP	Thu, Dec 31, 2009	10.22	10.33	10.00	10.09
2922	NASDAQ	IOSP	Wed, Dec 30, 2009	9.91	10.39	9.85	10.28
2921	NASDAQ	IOSP	Tue, Dec 29, 2009	9.95	10.12	9.87	10.01
2920	NASDAQ	IOSP	Mon, Dec 28, 2009	9.92	9.99	9.72	9.93
2919	NASDAQ	IOSP	Thu, Dec 24, 2009	9.98	9.98	9.74	9.83
2918	NASDAQ	IOSP	Wed, Dec 23, 2009	9.68	9.94	9.28	9.89
2917	NASDAQ	IOSP	Tue, Dec 22, 2009	9.93	9.93	9.37	9.59
2916	NASDAQ	IOSP	Mon, Dec 21, 2009	9.83	10.00	9.69	9.93
2915	NASDAQ	IOSP	Fri, Dec 18, 2009	9.83	9.95	9.62	9.77
2914	NASDAQ	IOSP	Thu, Dec 17, 2009	9.74	9.88	9.32	9.77
2913	NASDAQ	IOSP	Wed, Dec 16, 2009	10.08	10.23	9.73	9.87
2912	NASDAQ	IOSP	Tue, Dec 15, 2009	10.39	10.47	9.98	9.99
2911	NASDAQ	IOSP	Mon, Dec 14, 2009	10.45	10.50	10.10	10.47
2910	NASDAQ	IOSP	Fri, Dec 11, 2009	10.28	10.48	9.97	10.38
2909	NASDAQ	IOSP	Thu, Dec 10, 2009	10.32	10.63	10.00	10.16
2908	NASDAQ	IOSP	Wed, Dec 9, 2009	10.23	10.30	9.73	10.28
2907	NASDAQ	IOSP	Tue, Dec 8, 2009	10.25	10.42	9.95	10.25
2906	NASDAQ	IOSP	Mon, Dec 7, 2009	10.32	10.67	10.11	10.40
2905	NASDAQ	IOSP	Fri, Dec 4, 2009	10.21	10.86	10.00	10.35
2904	NASDAQ	IOSP	Thu, Dec 3, 2009	9.90	10.29	9.85	9.92
2903	NASDAQ	IOSP	Wed, Dec 2, 2009	9.36	9.89	9.36	9.87
2902	NASDAQ	IOSP	Tue, Dec 1, 2009	9.04	9.43	8.76	9.38
2901	NASDAQ	IOSP	Mon, Nov 30, 2009	9.43	9.83	8.70	8.89
2900	NASDAQ	IOSP	Fri, Nov 27, 2009	10.15	10.44	9.43	9.45
2899	NASDAQ	IOSP	Wed, Nov 25, 2009	10.93	11.31	10.50	10.52
2898	NASDAQ	IOSP	Tue, Nov 24, 2009	11.00	11.00	10.72	10.88
2897	NASDAQ	IOSP	Mon, Nov 23, 2009	10.80	11.06	10.69	10.96
2896	NASDAQ	IOSP	Fri, Nov 20, 2009	10.79	11.17	10.52	10.70
2895	NASDAQ	IOSP	Thu, Nov 19, 2009	11.45	11.45	10.91	10.95
2894	NASDAQ	IOSP	Wed, Nov 18, 2009	11.72	11.75	11.46	11.64
2893	NASDAQ	IOSP	Tue, Nov 17, 2009	11.75	11.94	11.46	11.75
2892	NASDAQ	IOSP	Mon, Nov 16, 2009	11.54	12.08	11.36	11.87
2891	NASDAQ	IOSP	Fri, Nov 13, 2009	11.63	11.78	10.92	11.36
2890	NASDAQ	IOSP	Thu, Nov 12, 2009	12.27	12.54	11.53	11.53
2889	NASDAQ	IOSP	Wed, Nov 11, 2009	12.47	12.66	12.22	12.35
2888	NASDAQ	IOSP	Tue, Nov 10, 2009	12.18	12.66	12.00	12.25
2887	NASDAQ	IOSP	Mon, Nov 9, 2009	12.35	12.58	12.01	12.33
2886	NASDAQ	IOSP	Fri, Nov 6, 2009	11.59	12.41	11.59	12.21
2885	NASDAQ	IOSP	Thu, Nov 5, 2009	10.97	11.87	10.97	11.84
2884	NASDAQ	IOSP	Wed, Nov 4, 2009	11.15	11.20	10.74	10.84
2883	NASDAQ	IOSP	Tue, Nov 3, 2009	11.00	11.26	10.78	11.10
2882	NASDAQ	IOSP	Mon, Nov 2, 2009	11.24	11.67	10.74	11.09
2881	NASDAQ	IOSP	Fri, Oct 30, 2009	13.99	14.23	11.23	11.82
2880	NASDAQ	IOSP	Thu, Oct 29, 2009	14.05	14.16	13.82	14.13
2879	NASDAQ	IOSP	Wed, Oct 28, 2009	14.02	14.14	13.70	13.86
2878	NASDAQ	IOSP	Tue, Oct 27, 2009	14.08	14.69	13.94	14.10
2877	NASDAQ	IOSP	Mon, Oct 26, 2009	14.14	14.90	13.94	14.05
2876	NASDAQ	IOSP	Fri, Oct 23, 2009	14.61	14.62	13.92	14.16
2875	NASDAQ	IOSP	Thu, Oct 22, 2009	14.03	14.63	13.42	14.53
2874	NASDAQ	IOSP	Wed, Oct 21, 2009	13.84	15.12	13.77	14.02
2873	NASDAQ	IOSP	Tue, Oct 20, 2009	14.98	14.98	13.94	13.97
2872	NASDAQ	IOSP	Mon, Oct 19, 2009	14.70	15.17	14.56	14.99
2871	NASDAQ	IOSP	Fri, Oct 16, 2009	14.80	15.04	14.24	14.57
2870	NASDAQ	IOSP	Thu, Oct 15, 2009	14.96	15.14	14.52	14.94
2869	NASDAQ	IOSP	Wed, Oct 14, 2009	15.39	15.59	14.83	15.08
2868	NASDAQ	IOSP	Tue, Oct 13, 2009	15.10	15.25	14.68	15.06
2867	NASDAQ	IOSP	Mon, Oct 12, 2009	15.53	15.64	14.93	15.17
2866	NASDAQ	IOSP	Fri, Oct 9, 2009	15.06	15.46	14.90	15.41
2865	NASDAQ	IOSP	Thu, Oct 8, 2009	15.10	15.47	14.97	15.12
2864	NASDAQ	IOSP	Wed, Oct 7, 2009	15.25	15.40	14.82	14.88
2863	NASDAQ	IOSP	Tue, Oct 6, 2009	14.92	15.45	14.61	15.39
2862	NASDAQ	IOSP	Mon, Oct 5, 2009	14.12	14.93	13.87	14.73
2861	NASDAQ	IOSP	Fri, Oct 2, 2009	13.82	14.41	13.73	14.06
2860	NASDAQ	IOSP	Thu, Oct 1, 2009	14.67	14.67	13.86	13.96
2859	NASDAQ	IOSP	Wed, Sep 30, 2009	15.15	15.15	14.48	14.75
2858	NASDAQ	IOSP	Tue, Sep 29, 2009	15.61	15.70	14.96	15.09
2857	NASDAQ	IOSP	Mon, Sep 28, 2009	14.74	15.73	14.74	15.63
2856	NASDAQ	IOSP	Fri, Sep 25, 2009	14.90	14.90	14.46	14.57
2855	NASDAQ	IOSP	Thu, Sep 24, 2009	15.12	15.42	14.56	14.93
2854	NASDAQ	IOSP	Wed, Sep 23, 2009	15.56	15.96	15.06	15.09
2853	NASDAQ	IOSP	Tue, Sep 22, 2009	15.52	15.87	15.09	15.51
2852	NASDAQ	IOSP	Mon, Sep 21, 2009	14.77	15.55	14.69	15.39
2851	NASDAQ	IOSP	Fri, Sep 18, 2009	14.69	15.12	14.56	15.04
2850	NASDAQ	IOSP	Thu, Sep 17, 2009	14.95	14.98	14.41	14.59
2849	NASDAQ	IOSP	Wed, Sep 16, 2009	14.59	15.22	14.59	14.94
2848	NASDAQ	IOSP	Tue, Sep 15, 2009	13.61	14.59	13.61	14.45
2847	NASDAQ	IOSP	Mon, Sep 14, 2009	13.49	13.71	13.46	13.69
2846	NASDAQ	IOSP	Fri, Sep 11, 2009	12.47	13.70	12.47	13.56
2845	NASDAQ	IOSP	Thu, Sep 10, 2009	13.73	13.74	12.79	13.32
2844	NASDAQ	IOSP	Wed, Sep 9, 2009	13.53	14.04	13.22	13.73
2843	NASDAQ	IOSP	Tue, Sep 8, 2009	13.50	13.84	13.29	13.50
2842	NASDAQ	IOSP	Fri, Sep 4, 2009	13.15	13.40	12.87	13.28
2841	NASDAQ	IOSP	Thu, Sep 3, 2009	13.54	13.54	12.94	13.32
2840	NASDAQ	IOSP	Wed, Sep 2, 2009	13.32	13.60	12.81	13.48
2839	NASDAQ	IOSP	Tue, Sep 1, 2009	13.51	14.38	13.32	13.39
2838	NASDAQ	IOSP	Mon, Aug 31, 2009	13.17	14.00	13.17	13.68
2837	NASDAQ	IOSP	Fri, Aug 28, 2009	14.00	14.00	13.04	13.40
2836	NASDAQ	IOSP	Thu, Aug 27, 2009	13.85	14.11	13.12	13.85
2835	NASDAQ	IOSP	Wed, Aug 26, 2009	14.12	14.22	13.55	13.95
2834	NASDAQ	IOSP	Tue, Aug 25, 2009	14.06	14.56	13.23	14.19
2833	NASDAQ	IOSP	Mon, Aug 24, 2009	14.12	14.68	13.53	13.90
2832	NASDAQ	IOSP	Fri, Aug 21, 2009	13.66	14.59	13.27	14.13
2831	NASDAQ	IOSP	Thu, Aug 20, 2009	12.99	13.43	12.86	13.38
2830	NASDAQ	IOSP	Wed, Aug 19, 2009	12.88	13.41	12.60	13.07
2829	NASDAQ	IOSP	Tue, Aug 18, 2009	12.29	13.32	12.26	13.17
2828	NASDAQ	IOSP	Mon, Aug 17, 2009	12.24	12.80	12.00	12.39
2827	NASDAQ	IOSP	Fri, Aug 14, 2009	12.70	13.26	12.17	12.54
2826	NASDAQ	IOSP	Thu, Aug 13, 2009	13.47	13.54	12.82	13.35
2825	NASDAQ	IOSP	Wed, Aug 12, 2009	12.46	13.73	12.46	13.23
2824	NASDAQ	IOSP	Tue, Aug 11, 2009	12.09	12.65	12.06	12.40
2823	NASDAQ	IOSP	Mon, Aug 10, 2009	11.92	12.64	11.92	12.16
2822	NASDAQ	IOSP	Fri, Aug 7, 2009	12.00	12.29	11.80	12.01
2821	NASDAQ	IOSP	Thu, Aug 6, 2009	12.06	12.48	11.42	11.97
2820	NASDAQ	IOSP	Wed, Aug 5, 2009	13.06	13.06	11.50	11.85
2819	NASDAQ	IOSP	Tue, Aug 4, 2009	12.70	13.18	11.86	13.09
2818	NASDAQ	IOSP	Mon, Aug 3, 2009	12.09	12.81	11.90	12.81
2817	NASDAQ	IOSP	Fri, Jul 31, 2009	11.83	12.40	11.80	11.94
2816	NASDAQ	IOSP	Thu, Jul 30, 2009	11.85	12.27	11.60	11.94
2815	NASDAQ	IOSP	Wed, Jul 29, 2009	11.90	12.14	11.47	11.65
2814	NASDAQ	IOSP	Tue, Jul 28, 2009	11.67	12.09	11.55	12.00
2813	NASDAQ	IOSP	Mon, Jul 27, 2009	11.84	11.98	11.42	11.77
2812	NASDAQ	IOSP	Fri, Jul 24, 2009	11.99	12.25	10.65	11.83
2811	NASDAQ	IOSP	Thu, Jul 23, 2009	11.51	12.50	11.51	12.13
2810	NASDAQ	IOSP	Wed, Jul 22, 2009	11.98	12.37	11.44	11.56
2809	NASDAQ	IOSP	Tue, Jul 21, 2009	12.53	12.53	11.61	12.11
2808	NASDAQ	IOSP	Mon, Jul 20, 2009	12.50	12.65	12.14	12.36
2807	NASDAQ	IOSP	Fri, Jul 17, 2009	12.41	12.41	11.79	12.36
2806	NASDAQ	IOSP	Thu, Jul 16, 2009	11.74	12.50	11.74	12.38
2805	NASDAQ	IOSP	Wed, Jul 15, 2009	11.08	13.17	11.08	11.88
2804	NASDAQ	IOSP	Tue, Jul 14, 2009	10.83	11.01	10.73	10.83
2803	NASDAQ	IOSP	Mon, Jul 13, 2009	10.31	10.97	10.12	10.81
2802	NASDAQ	IOSP	Fri, Jul 10, 2009	10.15	10.58	10.15	10.29
2801	NASDAQ	IOSP	Thu, Jul 9, 2009	10.16	10.47	10.08	10.22
2800	NASDAQ	IOSP	Wed, Jul 8, 2009	10.10	10.22	9.95	10.02
2799	NASDAQ	IOSP	Tue, Jul 7, 2009	10.29	10.56	9.93	10.00
2798	NASDAQ	IOSP	Mon, Jul 6, 2009	10.15	10.40	10.01	10.25
2797	NASDAQ	IOSP	Thu, Jul 2, 2009	10.75	10.75	10.09	10.25
2796	NASDAQ	IOSP	Wed, Jul 1, 2009	10.93	11.74	10.93	11.01
2795	NASDAQ	IOSP	Tue, Jun 30, 2009	10.79	11.13	9.98	10.75
2794	NASDAQ	IOSP	Mon, Jun 29, 2009	10.45	10.95	10.21	10.75
2793	NASDAQ	IOSP	Fri, Jun 26, 2009	10.42	10.64	9.95	10.44
2792	NASDAQ	IOSP	Thu, Jun 25, 2009	10.06	10.59	10.05	10.56
2791	NASDAQ	IOSP	Wed, Jun 24, 2009	10.12	10.64	9.65	10.15
2790	NASDAQ	IOSP	Tue, Jun 23, 2009	10.03	10.23	9.93	9.95
2789	NASDAQ	IOSP	Mon, Jun 22, 2009	9.98	10.10	9.66	9.94
2788	NASDAQ	IOSP	Fri, Jun 19, 2009	10.27	10.60	9.98	10.09
2787	NASDAQ	IOSP	Thu, Jun 18, 2009	9.80	10.21	9.64	10.07
2786	NASDAQ	IOSP	Wed, Jun 17, 2009	9.98	10.22	9.66	9.79
2785	NASDAQ	IOSP	Tue, Jun 16, 2009	10.44	10.46	9.65	10.00
2784	NASDAQ	IOSP	Mon, Jun 15, 2009	10.66	10.66	9.92	10.21
2783	NASDAQ	IOSP	Fri, Jun 12, 2009	10.54	10.79	10.39	10.65
2782	NASDAQ	IOSP	Thu, Jun 11, 2009	10.59	10.91	9.82	10.71
2781	NASDAQ	IOSP	Wed, Jun 10, 2009	10.90	11.26	10.00	10.56
2780	NASDAQ	IOSP	Tue, Jun 9, 2009	10.80	11.01	10.48	10.72
2779	NASDAQ	IOSP	Mon, Jun 8, 2009	10.85	11.04	10.30	10.68
2778	NASDAQ	IOSP	Fri, Jun 5, 2009	11.00	11.11	10.52	10.87
2777	NASDAQ	IOSP	Thu, Jun 4, 2009	11.28	11.32	10.60	10.86
2776	NASDAQ	IOSP	Wed, Jun 3, 2009	10.88	11.38	10.35	11.31
2775	NASDAQ	IOSP	Tue, Jun 2, 2009	9.55	11.25	9.22	10.58
2774	NASDAQ	IOSP	Mon, Jun 1, 2009	9.14	9.74	8.84	9.60
2773	NASDAQ	IOSP	Fri, May 29, 2009	8.60	8.96	8.44	8.91
2772	NASDAQ	IOSP	Thu, May 28, 2009	8.38	8.71	8.13	8.53
2771	NASDAQ	IOSP	Wed, May 27, 2009	8.37	8.91	8.19	8.25
2770	NASDAQ	IOSP	Tue, May 26, 2009	7.65	8.56	7.60	8.44
2769	NASDAQ	IOSP	Fri, May 22, 2009	8.08	8.20	7.74	7.75
2768	NASDAQ	IOSP	Thu, May 21, 2009	8.10	8.17	7.59	8.02
2767	NASDAQ	IOSP	Wed, May 20, 2009	8.03	8.73	7.97	8.29
2766	NASDAQ	IOSP	Tue, May 19, 2009	7.70	8.01	7.27	7.96
2765	NASDAQ	IOSP	Mon, May 18, 2009	7.10	7.71	6.83	7.64
2764	NASDAQ	IOSP	Fri, May 15, 2009	7.13	7.25	6.47	6.98
2763	NASDAQ	IOSP	Thu, May 14, 2009	7.09	7.33	6.99	7.09
2762	NASDAQ	IOSP	Wed, May 13, 2009	7.87	7.92	7.00	7.02
2761	NASDAQ	IOSP	Tue, May 12, 2009	8.61	8.82	7.91	8.08
2760	NASDAQ	IOSP	Mon, May 11, 2009	8.54	8.68	7.87	8.52
2759	NASDAQ	IOSP	Fri, May 8, 2009	8.38	9.26	7.93	8.82
2758	NASDAQ	IOSP	Thu, May 7, 2009	9.61	10.76	7.92	8.20
2757	NASDAQ	IOSP	Wed, May 6, 2009	9.50	9.78	8.78	9.26
2756	NASDAQ	IOSP	Tue, May 5, 2009	8.05	9.38	8.05	9.38
2755	NASDAQ	IOSP	Mon, May 4, 2009	7.77	8.24	7.74	8.04
2754	NASDAQ	IOSP	Fri, May 1, 2009	7.90	8.40	7.54	7.67
2753	NASDAQ	IOSP	Thu, Apr 30, 2009	8.00	8.50	7.40	7.86
2752	NASDAQ	IOSP	Wed, Apr 29, 2009	7.07	7.90	7.01	7.88
2751	NASDAQ	IOSP	Tue, Apr 28, 2009	6.36	7.14	6.36	7.00
2750	NASDAQ	IOSP	Mon, Apr 27, 2009	5.78	6.35	5.78	6.31
2749	NASDAQ	IOSP	Fri, Apr 24, 2009	5.45	6.15	5.45	5.94
2748	NASDAQ	IOSP	Thu, Apr 23, 2009	5.12	5.39	5.01	5.36
2747	NASDAQ	IOSP	Wed, Apr 22, 2009	4.80	5.24	4.55	5.07
2746	NASDAQ	IOSP	Tue, Apr 21, 2009	4.51	4.95	4.33	4.93
2745	NASDAQ	IOSP	Mon, Apr 20, 2009	4.56	4.59	4.22	4.52
2744	NASDAQ	IOSP	Fri, Apr 17, 2009	4.73	4.80	4.44	4.74
2743	NASDAQ	IOSP	Thu, Apr 16, 2009	4.54	4.82	4.36	4.70
2742	NASDAQ	IOSP	Wed, Apr 15, 2009	4.10	4.49	4.10	4.48
2741	NASDAQ	IOSP	Tue, Apr 14, 2009	4.35	4.37	4.04	4.16
2740	NASDAQ	IOSP	Mon, Apr 13, 2009	4.48	4.53	4.17	4.47
2739	NASDAQ	IOSP	Thu, Apr 9, 2009	4.36	4.61	4.36	4.58
2738	NASDAQ	IOSP	Wed, Apr 8, 2009	4.02	4.21	3.90	4.21
2737	NASDAQ	IOSP	Tue, Apr 7, 2009	3.95	4.10	3.71	3.96
2736	NASDAQ	IOSP	Mon, Apr 6, 2009	4.32	4.32	3.79	4.06
2735	NASDAQ	IOSP	Fri, Apr 3, 2009	4.52	4.64	4.10	4.32
2734	NASDAQ	IOSP	Thu, Apr 2, 2009	4.07	4.35	3.98	4.26
2733	NASDAQ	IOSP	Wed, Apr 1, 2009	3.69	4.19	3.60	3.95
2732	NASDAQ	IOSP	Tue, Mar 31, 2009	3.85	3.97	3.64	3.77
2731	NASDAQ	IOSP	Mon, Mar 30, 2009	3.97	3.97	3.56	3.73
2730	NASDAQ	IOSP	Fri, Mar 27, 2009	4.55	4.61	4.11	4.15
2729	NASDAQ	IOSP	Thu, Mar 26, 2009	4.47	4.70	4.10	4.70
2728	NASDAQ	IOSP	Wed, Mar 25, 2009	4.02	4.49	4.02	4.37
2727	NASDAQ	IOSP	Tue, Mar 24, 2009	4.51	4.84	3.96	3.99
2726	NASDAQ	IOSP	Mon, Mar 23, 2009	3.98	4.67	3.79	4.62
2725	NASDAQ	IOSP	Fri, Mar 20, 2009	4.11	4.39	3.75	3.81
2724	NASDAQ	IOSP	Thu, Mar 19, 2009	4.29	4.40	3.99	4.05
2723	NASDAQ	IOSP	Wed, Mar 18, 2009	3.70	4.19	3.65	4.19
2722	NASDAQ	IOSP	Tue, Mar 17, 2009	3.51	3.74	3.18	3.74
2721	NASDAQ	IOSP	Mon, Mar 16, 2009	3.59	3.75	3.47	3.50
2720	NASDAQ	IOSP	Fri, Mar 13, 2009	3.46	3.67	3.34	3.47
2719	NASDAQ	IOSP	Thu, Mar 12, 2009	3.21	3.44	3.14	3.42
2718	NASDAQ	IOSP	Wed, Mar 11, 2009	3.16	3.44	3.15	3.22
2717	NASDAQ	IOSP	Tue, Mar 10, 2009	2.90	3.19	2.87	3.14
2716	NASDAQ	IOSP	Mon, Mar 9, 2009	2.94	3.01	2.61	2.79
2715	NASDAQ	IOSP	Fri, Mar 6, 2009	3.36	3.47	2.72	3.04
2714	NASDAQ	IOSP	Thu, Mar 5, 2009	3.58	3.78	3.19	3.31
2713	NASDAQ	IOSP	Wed, Mar 4, 2009	3.47	3.82	3.47	3.69
2712	NASDAQ	IOSP	Tue, Mar 3, 2009	3.71	3.84	3.36	3.54
2711	NASDAQ	IOSP	Mon, Mar 2, 2009	3.96	4.34	3.61	3.63
2710	NASDAQ	IOSP	Fri, Feb 27, 2009	3.96	4.33	3.96	4.04
2709	NASDAQ	IOSP	Thu, Feb 26, 2009	4.16	4.43	4.04	4.04
2708	NASDAQ	IOSP	Wed, Feb 25, 2009	4.24	4.40	3.83	4.02
2707	NASDAQ	IOSP	Tue, Feb 24, 2009	4.09	4.40	4.09	4.27
2706	NASDAQ	IOSP	Mon, Feb 23, 2009	4.31	4.52	3.81	4.02
2705	NASDAQ	IOSP	Fri, Feb 20, 2009	4.36	4.67	4.06	4.24
2704	NASDAQ	IOSP	Thu, Feb 19, 2009	4.62	4.85	4.41	4.41
2703	NASDAQ	IOSP	Wed, Feb 18, 2009	4.48	4.74	4.05	4.52
2702	NASDAQ	IOSP	Tue, Feb 17, 2009	4.48	4.78	4.30	4.42
2701	NASDAQ	IOSP	Fri, Feb 13, 2009	4.59	4.79	4.43	4.73
2700	NASDAQ	IOSP	Thu, Feb 12, 2009	4.28	4.64	4.02	4.57
2699	NASDAQ	IOSP	Wed, Feb 11, 2009	4.19	4.46	4.06	4.40
2698	NASDAQ	IOSP	Tue, Feb 10, 2009	4.80	4.88	4.14	4.17
2697	NASDAQ	IOSP	Mon, Feb 9, 2009	4.32	4.83	3.92	4.83
2696	NASDAQ	IOSP	Fri, Feb 6, 2009	4.17	4.40	4.10	4.32
2695	NASDAQ	IOSP	Thu, Feb 5, 2009	4.53	4.53	4.09	4.11
2694	NASDAQ	IOSP	Wed, Feb 4, 2009	4.67	5.10	4.57	4.57
2693	NASDAQ	IOSP	Tue, Feb 3, 2009	4.61	4.87	4.15	4.68
2692	NASDAQ	IOSP	Mon, Feb 2, 2009	4.76	4.76	4.51	4.61
2691	NASDAQ	IOSP	Fri, Jan 30, 2009	5.33	5.33	4.87	4.87
2690	NASDAQ	IOSP	Thu, Jan 29, 2009	5.82	5.82	5.27	5.27
2689	NASDAQ	IOSP	Wed, Jan 28, 2009	5.52	5.84	5.35	5.69
2688	NASDAQ	IOSP	Tue, Jan 27, 2009	5.38	5.86	5.09	5.37
2687	NASDAQ	IOSP	Mon, Jan 26, 2009	5.04	5.47	5.04	5.34
2686	NASDAQ	IOSP	Fri, Jan 23, 2009	4.88	5.23	4.72	5.05
2685	NASDAQ	IOSP	Thu, Jan 22, 2009	5.24	5.92	5.02	5.09
2684	NASDAQ	IOSP	Wed, Jan 21, 2009	4.80	5.44	4.75	5.42
2683	NASDAQ	IOSP	Tue, Jan 20, 2009	5.27	5.27	4.73	4.75
2682	NASDAQ	IOSP	Fri, Jan 16, 2009	5.41	5.44	5.08	5.36
2681	NASDAQ	IOSP	Thu, Jan 15, 2009	5.18	5.33	4.81	5.33
2680	NASDAQ	IOSP	Wed, Jan 14, 2009	5.50	5.85	5.12	5.19
2679	NASDAQ	IOSP	Tue, Jan 13, 2009	5.17	5.81	5.17	5.64
2678	NASDAQ	IOSP	Mon, Jan 12, 2009	6.14	6.16	5.55	5.55
2677	NASDAQ	IOSP	Fri, Jan 9, 2009	6.35	6.35	5.88	5.94
2676	NASDAQ	IOSP	Thu, Jan 8, 2009	5.67	6.37	5.45	6.31
2675	NASDAQ	IOSP	Wed, Jan 7, 2009	5.90	6.00	5.55	5.68
2674	NASDAQ	IOSP	Tue, Jan 6, 2009	5.93	6.29	5.89	5.99
2673	NASDAQ	IOSP	Mon, Jan 5, 2009	5.88	5.98	5.58	5.84
2672	NASDAQ	IOSP	Fri, Jan 2, 2009	5.92	6.04	5.78	5.86
2671	NASDAQ	IOSP	Wed, Dec 31, 2008	5.43	6.06	5.43	5.89
2670	NASDAQ	IOSP	Tue, Dec 30, 2008	5.07	5.50	5.07	5.44
2669	NASDAQ	IOSP	Mon, Dec 29, 2008	5.50	5.50	4.82	4.98
2668	NASDAQ	IOSP	Fri, Dec 26, 2008	5.48	5.51	5.11	5.33
2667	NASDAQ	IOSP	Wed, Dec 24, 2008	5.24	5.38	5.16	5.31
2666	NASDAQ	IOSP	Tue, Dec 23, 2008	5.16	5.45	5.15	5.22
2665	NASDAQ	IOSP	Mon, Dec 22, 2008	5.48	5.65	4.83	5.12
2664	NASDAQ	IOSP	Fri, Dec 19, 2008	5.60	5.89	5.25	5.46
2663	NASDAQ	IOSP	Thu, Dec 18, 2008	6.12	6.12	5.15	5.38
2662	NASDAQ	IOSP	Wed, Dec 17, 2008	5.89	6.25	5.74	6.16
2661	NASDAQ	IOSP	Tue, Dec 16, 2008	4.89	6.03	4.62	5.96
2660	NASDAQ	IOSP	Mon, Dec 15, 2008	5.20	5.20	4.64	4.78
2659	NASDAQ	IOSP	Fri, Dec 12, 2008	4.79	5.43	4.77	5.17
2658	NASDAQ	IOSP	Thu, Dec 11, 2008	5.20	5.52	4.92	4.93
2657	NASDAQ	IOSP	Wed, Dec 10, 2008	5.50	5.57	5.05	5.26
2656	NASDAQ	IOSP	Tue, Dec 9, 2008	5.85	6.13	5.42	5.42
2655	NASDAQ	IOSP	Mon, Dec 8, 2008	5.49	5.96	5.00	5.96
2654	NASDAQ	IOSP	Fri, Dec 5, 2008	5.13	5.46	4.75	5.30
2653	NASDAQ	IOSP	Thu, Dec 4, 2008	5.48	5.92	4.98	5.24
2652	NASDAQ	IOSP	Wed, Dec 3, 2008	4.55	5.69	4.53	5.57
2651	NASDAQ	IOSP	Tue, Dec 2, 2008	4.93	5.50	4.54	4.70
2650	NASDAQ	IOSP	Mon, Dec 1, 2008	5.63	5.63	4.79	4.81
2649	NASDAQ	IOSP	Fri, Nov 28, 2008	5.67	5.86	5.27	5.76
2648	NASDAQ	IOSP	Wed, Nov 26, 2008	5.00	5.83	5.00	5.79
2647	NASDAQ	IOSP	Tue, Nov 25, 2008	5.48	5.48	4.89	5.19
2646	NASDAQ	IOSP	Mon, Nov 24, 2008	5.34	5.76	4.98	5.39
2645	NASDAQ	IOSP	Fri, Nov 21, 2008	4.65	5.49	4.53	5.26
2644	NASDAQ	IOSP	Thu, Nov 20, 2008	4.53	5.25	4.50	4.54
2643	NASDAQ	IOSP	Wed, Nov 19, 2008	5.16	5.16	4.53	4.57
2642	NASDAQ	IOSP	Tue, Nov 18, 2008	5.83	5.94	4.81	5.16
2641	NASDAQ	IOSP	Mon, Nov 17, 2008	5.45	5.64	5.18	5.46
2640	NASDAQ	IOSP	Fri, Nov 14, 2008	5.75	6.03	5.23	5.50
2639	NASDAQ	IOSP	Thu, Nov 13, 2008	5.15	5.89	4.90	5.88
2638	NASDAQ	IOSP	Wed, Nov 12, 2008	5.87	6.00	5.13	5.15
2637	NASDAQ	IOSP	Tue, Nov 11, 2008	6.84	6.84	5.58	5.94
2636	NASDAQ	IOSP	Mon, Nov 10, 2008	7.46	8.22	6.79	6.92
2635	NASDAQ	IOSP	Fri, Nov 7, 2008	6.91	7.34	6.68	7.24
2634	NASDAQ	IOSP	Thu, Nov 6, 2008	7.33	7.84	6.78	6.81
2633	NASDAQ	IOSP	Wed, Nov 5, 2008	7.99	8.17	7.36	7.40
2632	NASDAQ	IOSP	Tue, Nov 4, 2008	9.21	9.21	7.75	8.11
2631	NASDAQ	IOSP	Mon, Nov 3, 2008	8.59	9.18	8.25	8.88
2630	NASDAQ	IOSP	Fri, Oct 31, 2008	8.17	8.98	7.90	8.75
2629	NASDAQ	IOSP	Thu, Oct 30, 2008	7.34	11.00	7.15	8.10
2628	NASDAQ	IOSP	Wed, Oct 29, 2008	7.04	7.40	6.67	7.04
2627	NASDAQ	IOSP	Tue, Oct 28, 2008	5.96	6.85	5.78	6.76
2626	NASDAQ	IOSP	Mon, Oct 27, 2008	6.12	6.59	5.79	5.82
2625	NASDAQ	IOSP	Fri, Oct 24, 2008	5.94	6.53	5.83	6.23
2624	NASDAQ	IOSP	Thu, Oct 23, 2008	6.55	6.96	6.10	6.64
2623	NASDAQ	IOSP	Wed, Oct 22, 2008	6.65	7.29	6.31	6.48
2622	NASDAQ	IOSP	Tue, Oct 21, 2008	7.00	7.28	6.83	6.88
2621	NASDAQ	IOSP	Mon, Oct 20, 2008	6.50	7.32	6.40	7.16
2620	NASDAQ	IOSP	Fri, Oct 17, 2008	6.18	6.90	6.18	6.43
2619	NASDAQ	IOSP	Thu, Oct 16, 2008	6.19	6.57	5.70	6.49
2618	NASDAQ	IOSP	Wed, Oct 15, 2008	6.00	6.50	5.82	6.13
2617	NASDAQ	IOSP	Tue, Oct 14, 2008	8.11	8.11	5.86	6.13
2616	NASDAQ	IOSP	Mon, Oct 13, 2008	7.69	8.26	6.90	7.79
2615	NASDAQ	IOSP	Fri, Oct 10, 2008	6.78	7.73	6.06	7.30
2614	NASDAQ	IOSP	Thu, Oct 9, 2008	8.14	8.56	6.92	6.95
2613	NASDAQ	IOSP	Wed, Oct 8, 2008	8.42	8.77	7.33	7.94
2612	NASDAQ	IOSP	Tue, Oct 7, 2008	10.11	10.37	8.79	8.79
2611	NASDAQ	IOSP	Mon, Oct 6, 2008	9.85	10.39	9.31	9.95
2610	NASDAQ	IOSP	Fri, Oct 3, 2008	10.59	11.18	10.16	10.19
2609	NASDAQ	IOSP	Thu, Oct 2, 2008	10.96	10.96	10.06	10.37
2608	NASDAQ	IOSP	Wed, Oct 1, 2008	11.97	11.97	10.76	11.05
2607	NASDAQ	IOSP	Tue, Sep 30, 2008	11.74	12.46	11.41	12.06
2606	NASDAQ	IOSP	Mon, Sep 29, 2008	12.28	12.72	11.38	11.60
2605	NASDAQ	IOSP	Fri, Sep 26, 2008	12.41	13.03	12.32	12.58
2604	NASDAQ	IOSP	Thu, Sep 25, 2008	12.38	13.25	12.38	12.70
2603	NASDAQ	IOSP	Wed, Sep 24, 2008	12.57	13.39	12.30	12.31
2602	NASDAQ	IOSP	Tue, Sep 23, 2008	12.86	13.98	12.54	12.61
2601	NASDAQ	IOSP	Mon, Sep 22, 2008	15.17	15.25	13.77	13.87
2600	NASDAQ	IOSP	Fri, Sep 19, 2008	14.79	16.32	14.18	15.07
2599	NASDAQ	IOSP	Thu, Sep 18, 2008	11.95	13.86	11.66	13.71
2598	NASDAQ	IOSP	Wed, Sep 17, 2008	13.44	13.44	11.63	11.63
2597	NASDAQ	IOSP	Tue, Sep 16, 2008	13.14	13.91	12.67	13.73
2596	NASDAQ	IOSP	Mon, Sep 15, 2008	13.46	13.99	12.99	13.10
2595	NASDAQ	IOSP	Fri, Sep 12, 2008	13.83	14.24	13.50	13.99
2594	NASDAQ	IOSP	Thu, Sep 11, 2008	13.73	13.93	13.03	13.92
2593	NASDAQ	IOSP	Wed, Sep 10, 2008	14.16	14.16	13.51	13.99
2592	NASDAQ	IOSP	Tue, Sep 9, 2008	14.84	15.36	13.81	13.86
2591	NASDAQ	IOSP	Mon, Sep 8, 2008	15.14	15.19	14.50	14.87
2590	NASDAQ	IOSP	Fri, Sep 5, 2008	14.70	14.92	14.45	14.71
2589	NASDAQ	IOSP	Thu, Sep 4, 2008	15.23	15.39	14.51	14.80
2588	NASDAQ	IOSP	Wed, Sep 3, 2008	15.25	15.61	15.18	15.26
2587	NASDAQ	IOSP	Tue, Sep 2, 2008	15.64	16.08	15.16	15.31
2586	NASDAQ	IOSP	Fri, Aug 29, 2008	15.71	15.86	15.30	15.69
2585	NASDAQ	IOSP	Thu, Aug 28, 2008	15.89	15.89	15.33	15.74
2584	NASDAQ	IOSP	Wed, Aug 27, 2008	15.52	15.95	15.43	15.78
2583	NASDAQ	IOSP	Tue, Aug 26, 2008	15.73	16.00	15.23	15.55
2582	NASDAQ	IOSP	Mon, Aug 25, 2008	15.83	16.38	15.57	15.70
2581	NASDAQ	IOSP	Fri, Aug 22, 2008	15.98	16.20	15.68	15.91
2580	NASDAQ	IOSP	Thu, Aug 21, 2008	15.94	16.22	15.85	15.90
2579	NASDAQ	IOSP	Wed, Aug 20, 2008	16.17	16.59	15.95	16.04
2578	NASDAQ	IOSP	Tue, Aug 19, 2008	16.06	16.16	15.66	16.06
2577	NASDAQ	IOSP	Mon, Aug 18, 2008	16.54	16.82	16.21	16.30
2576	NASDAQ	IOSP	Fri, Aug 15, 2008	17.30	17.30	16.00	16.42
2575	NASDAQ	IOSP	Thu, Aug 14, 2008	16.51	17.07	16.51	17.01
2574	NASDAQ	IOSP	Wed, Aug 13, 2008	16.25	16.95	15.56	16.74
2573	NASDAQ	IOSP	Tue, Aug 12, 2008	16.61	16.86	16.02	16.38
2572	NASDAQ	IOSP	Mon, Aug 11, 2008	16.03	16.77	15.61	16.66
2571	NASDAQ	IOSP	Fri, Aug 8, 2008	15.51	16.16	15.50	16.06
2570	NASDAQ	IOSP	Thu, Aug 7, 2008	15.77	16.06	15.50	15.50
2569	NASDAQ	IOSP	Wed, Aug 6, 2008	16.11	16.21	15.50	15.99
2568	NASDAQ	IOSP	Tue, Aug 5, 2008	16.59	17.03	16.08	16.37
2567	NASDAQ	IOSP	Mon, Aug 4, 2008	17.16	17.16	15.84	16.35
2566	NASDAQ	IOSP	Fri, Aug 1, 2008	17.43	17.46	16.33	17.10
2565	NASDAQ	IOSP	Thu, Jul 31, 2008	21.00	21.00	15.53	17.74
2564	NASDAQ	IOSP	Wed, Jul 30, 2008	22.48	23.49	21.96	23.49
2563	NASDAQ	IOSP	Tue, Jul 29, 2008	21.15	22.46	20.41	21.58
2562	NASDAQ	IOSP	Mon, Jul 28, 2008	20.81	21.20	20.11	21.08
2561	NASDAQ	IOSP	Fri, Jul 25, 2008	20.96	21.91	20.56	20.85
2560	NASDAQ	IOSP	Thu, Jul 24, 2008	20.74	21.43	19.10	20.65
2559	NASDAQ	IOSP	Wed, Jul 23, 2008	20.60	20.95	19.91	20.64
2558	NASDAQ	IOSP	Tue, Jul 22, 2008	19.85	21.07	19.79	20.59
2557	NASDAQ	IOSP	Mon, Jul 21, 2008	20.36	20.79	19.61	20.26
2556	NASDAQ	IOSP	Fri, Jul 18, 2008	20.81	22.57	19.42	20.10
2555	NASDAQ	IOSP	Thu, Jul 17, 2008	20.62	21.06	20.34	20.71
2554	NASDAQ	IOSP	Wed, Jul 16, 2008	20.31	20.97	19.65	20.49
2553	NASDAQ	IOSP	Tue, Jul 15, 2008	20.08	20.40	19.61	20.19
2552	NASDAQ	IOSP	Mon, Jul 14, 2008	20.84	20.84	19.44	20.38
2551	NASDAQ	IOSP	Fri, Jul 11, 2008	19.73	20.59	19.26	20.59
2550	NASDAQ	IOSP	Thu, Jul 10, 2008	19.03	20.15	19.03	19.88
2549	NASDAQ	IOSP	Wed, Jul 9, 2008	19.16	19.37	17.93	19.09
2548	NASDAQ	IOSP	Tue, Jul 8, 2008	18.01	19.25	18.01	19.19
2547	NASDAQ	IOSP	Mon, Jul 7, 2008	17.50	18.48	17.42	17.94
2546	NASDAQ	IOSP	Thu, Jul 3, 2008	17.52	17.60	17.09	17.36
2545	NASDAQ	IOSP	Wed, Jul 2, 2008	18.64	18.83	17.34	17.44
2544	NASDAQ	IOSP	Tue, Jul 1, 2008	18.73	18.96	18.03	18.61
2543	NASDAQ	IOSP	Mon, Jun 30, 2008	20.33	20.42	18.78	18.82
2542	NASDAQ	IOSP	Fri, Jun 27, 2008	20.64	21.03	20.25	20.38
2541	NASDAQ	IOSP	Thu, Jun 26, 2008	22.21	22.21	20.65	20.76
2540	NASDAQ	IOSP	Wed, Jun 25, 2008	22.34	23.26	22.00	22.53
2539	NASDAQ	IOSP	Tue, Jun 24, 2008	23.11	23.11	22.28	22.32
2538	NASDAQ	IOSP	Mon, Jun 23, 2008	22.55	24.04	21.83	23.60
2537	NASDAQ	IOSP	Fri, Jun 20, 2008	23.57	23.73	21.92	22.33
2536	NASDAQ	IOSP	Thu, Jun 19, 2008	23.34	23.89	23.25	23.73
2535	NASDAQ	IOSP	Wed, Jun 18, 2008	23.08	23.70	23.08	23.35
2534	NASDAQ	IOSP	Tue, Jun 17, 2008	23.68	23.68	23.12	23.31
2533	NASDAQ	IOSP	Mon, Jun 16, 2008	23.35	23.99	22.73	23.70
2532	NASDAQ	IOSP	Fri, Jun 13, 2008	23.47	24.06	23.18	23.39
2531	NASDAQ	IOSP	Thu, Jun 12, 2008	23.55	23.93	23.16	23.17
2530	NASDAQ	IOSP	Wed, Jun 11, 2008	23.76	24.26	23.20	23.32
2529	NASDAQ	IOSP	Tue, Jun 10, 2008	23.65	24.45	23.25	23.87
2528	NASDAQ	IOSP	Mon, Jun 9, 2008	23.34	24.43	23.25	23.99
2527	NASDAQ	IOSP	Fri, Jun 6, 2008	25.06	25.06	23.11	23.20
2526	NASDAQ	IOSP	Thu, Jun 5, 2008	25.07	25.84	24.91	25.29
2525	NASDAQ	IOSP	Wed, Jun 4, 2008	24.49	25.56	24.21	25.12
2524	NASDAQ	IOSP	Tue, Jun 3, 2008	24.85	25.06	24.50	24.64
2523	NASDAQ	IOSP	Mon, Jun 2, 2008	24.59	24.85	24.15	24.70
2522	NASDAQ	IOSP	Fri, May 30, 2008	24.90	24.90	24.01	24.62
2521	NASDAQ	IOSP	Thu, May 29, 2008	24.97	25.38	24.12	24.89
2520	NASDAQ	IOSP	Wed, May 28, 2008	24.20	25.05	24.06	25.03
2519	NASDAQ	IOSP	Tue, May 27, 2008	23.38	24.28	22.76	24.21
2518	NASDAQ	IOSP	Fri, May 23, 2008	24.87	24.87	23.63	23.71
2517	NASDAQ	IOSP	Thu, May 22, 2008	24.62	25.42	24.11	25.04
2516	NASDAQ	IOSP	Wed, May 21, 2008	24.03	25.14	24.03	24.50
2515	NASDAQ	IOSP	Tue, May 20, 2008	23.18	24.11	22.98	23.97
2514	NASDAQ	IOSP	Mon, May 19, 2008	24.02	24.22	23.19	23.29
2513	NASDAQ	IOSP	Fri, May 16, 2008	23.92	24.37	23.25	24.11
2512	NASDAQ	IOSP	Thu, May 15, 2008	23.98	23.98	23.48	23.74
2511	NASDAQ	IOSP	Wed, May 14, 2008	23.09	24.73	22.68	24.01
2510	NASDAQ	IOSP	Tue, May 13, 2008	23.07	23.40	22.60	23.08
2509	NASDAQ	IOSP	Mon, May 12, 2008	22.31	23.46	21.10	23.00
2508	NASDAQ	IOSP	Fri, May 9, 2008	20.83	22.65	20.83	22.05
2507	NASDAQ	IOSP	Thu, May 8, 2008	19.95	21.37	19.95	21.24
2506	NASDAQ	IOSP	Wed, May 7, 2008	21.82	22.24	20.99	21.16
2505	NASDAQ	IOSP	Tue, May 6, 2008	21.73	22.50	21.62	22.08
2504	NASDAQ	IOSP	Mon, May 5, 2008	22.21	22.24	21.47	21.93
2503	NASDAQ	IOSP	Fri, May 2, 2008	22.24	22.90	21.57	22.04
2502	NASDAQ	IOSP	Thu, May 1, 2008	20.59	22.17	20.47	22.06
2501	NASDAQ	IOSP	Wed, Apr 30, 2008	21.43	21.91	20.09	20.39
2500	NASDAQ	IOSP	Tue, Apr 29, 2008	22.25	22.25	21.30	21.49
2499	NASDAQ	IOSP	Mon, Apr 28, 2008	22.17	22.92	22.08	22.31
2498	NASDAQ	IOSP	Fri, Apr 25, 2008	22.90	22.96	21.97	22.29
2497	NASDAQ	IOSP	Thu, Apr 24, 2008	23.41	24.18	22.54	22.99
2496	NASDAQ	IOSP	Wed, Apr 23, 2008	23.89	23.89	22.70	23.32
2495	NASDAQ	IOSP	Tue, Apr 22, 2008	23.41	24.02	23.41	23.74
2494	NASDAQ	IOSP	Mon, Apr 21, 2008	23.63	23.75	22.70	23.57
2493	NASDAQ	IOSP	Fri, Apr 18, 2008	23.62	23.88	23.32	23.80
2492	NASDAQ	IOSP	Thu, Apr 17, 2008	23.43	23.60	22.87	23.22
2491	NASDAQ	IOSP	Wed, Apr 16, 2008	23.24	23.50	22.86	23.49
2490	NASDAQ	IOSP	Tue, Apr 15, 2008	22.61	23.05	22.49	23.00
2489	NASDAQ	IOSP	Mon, Apr 14, 2008	21.87	23.15	21.63	22.50
2488	NASDAQ	IOSP	Fri, Apr 11, 2008	22.49	22.57	21.90	21.98
2487	NASDAQ	IOSP	Thu, Apr 10, 2008	22.14	23.00	22.00	22.71
2486	NASDAQ	IOSP	Wed, Apr 9, 2008	22.18	22.44	21.83	22.10
2485	NASDAQ	IOSP	Tue, Apr 8, 2008	21.90	22.39	21.90	22.19
2484	NASDAQ	IOSP	Mon, Apr 7, 2008	22.24	22.38	22.00	22.12
2483	NASDAQ	IOSP	Fri, Apr 4, 2008	22.17	22.43	21.87	22.12
2482	NASDAQ	IOSP	Thu, Apr 3, 2008	21.60	22.29	21.58	22.06
2481	NASDAQ	IOSP	Wed, Apr 2, 2008	21.78	22.73	21.53	21.84
2480	NASDAQ	IOSP	Tue, Apr 1, 2008	21.60	22.06	21.24	21.83
2479	NASDAQ	IOSP	Mon, Mar 31, 2008	21.08	21.63	21.04	21.20
2478	NASDAQ	IOSP	Fri, Mar 28, 2008	21.74	21.75	20.82	20.97
2477	NASDAQ	IOSP	Thu, Mar 27, 2008	22.60	22.60	21.45	21.75
2476	NASDAQ	IOSP	Wed, Mar 26, 2008	21.30	22.81	20.97	22.60
2475	NASDAQ	IOSP	Tue, Mar 25, 2008	20.96	21.83	20.90	21.45
2474	NASDAQ	IOSP	Mon, Mar 24, 2008	20.96	21.13	20.72	21.00
2473	NASDAQ	IOSP	Thu, Mar 20, 2008	21.02	21.31	20.27	20.84
2472	NASDAQ	IOSP	Wed, Mar 19, 2008	21.35	21.53	20.65	20.74
2471	NASDAQ	IOSP	Tue, Mar 18, 2008	20.46	21.58	19.92	21.31
2470	NASDAQ	IOSP	Mon, Mar 17, 2008	19.98	20.66	19.30	19.87
2469	NASDAQ	IOSP	Fri, Mar 14, 2008	22.04	22.04	20.49	20.73
2468	NASDAQ	IOSP	Thu, Mar 13, 2008	20.28	21.84	20.28	21.81
2467	NASDAQ	IOSP	Wed, Mar 12, 2008	21.04	21.54	20.60	20.85
2466	NASDAQ	IOSP	Tue, Mar 11, 2008	20.94	21.19	20.38	20.97
2465	NASDAQ	IOSP	Mon, Mar 10, 2008	20.42	20.90	19.98	20.07
2464	NASDAQ	IOSP	Fri, Mar 7, 2008	19.81	20.79	19.81	20.31
2463	NASDAQ	IOSP	Thu, Mar 6, 2008	20.35	20.86	20.01	20.11
2462	NASDAQ	IOSP	Wed, Mar 5, 2008	20.36	20.61	19.92	20.50
2461	NASDAQ	IOSP	Tue, Mar 4, 2008	19.68	20.50	19.64	20.22
2460	NASDAQ	IOSP	Mon, Mar 3, 2008	19.19	20.37	18.73	19.97
2459	NASDAQ	IOSP	Fri, Feb 29, 2008	19.20	19.75	18.50	18.74
2458	NASDAQ	IOSP	Thu, Feb 28, 2008	19.42	19.93	18.81	19.47
2457	NASDAQ	IOSP	Wed, Feb 27, 2008	19.67	20.22	19.23	19.62
2456	NASDAQ	IOSP	Tue, Feb 26, 2008	20.08	20.49	19.69	19.90
2455	NASDAQ	IOSP	Mon, Feb 25, 2008	18.23	20.46	18.23	20.19
2454	NASDAQ	IOSP	Fri, Feb 22, 2008	19.34	19.50	18.49	18.99
2453	NASDAQ	IOSP	Thu, Feb 21, 2008	19.86	20.65	19.18	19.27
2452	NASDAQ	IOSP	Wed, Feb 20, 2008	19.92	19.92	19.20	19.68
2451	NASDAQ	IOSP	Tue, Feb 19, 2008	20.25	20.39	19.74	20.23
2450	NASDAQ	IOSP	Fri, Feb 15, 2008	19.22	19.79	19.01	19.69
2449	NASDAQ	IOSP	Thu, Feb 14, 2008	20.08	20.15	19.11	19.40
2448	NASDAQ	IOSP	Wed, Feb 13, 2008	19.68	20.29	19.66	20.07
2447	NASDAQ	IOSP	Tue, Feb 12, 2008	18.95	19.88	18.95	19.48
2446	NASDAQ	IOSP	Mon, Feb 11, 2008	18.95	18.95	18.04	18.78
2445	NASDAQ	IOSP	Fri, Feb 8, 2008	16.92	19.28	16.92	19.00
2444	NASDAQ	IOSP	Thu, Feb 7, 2008	15.40	16.81	15.18	16.64
2443	NASDAQ	IOSP	Wed, Feb 6, 2008	15.80	16.34	15.16	15.35
2442	NASDAQ	IOSP	Tue, Feb 5, 2008	15.43	15.81	14.85	15.48
2441	NASDAQ	IOSP	Mon, Feb 4, 2008	16.35	16.44	15.59	15.78
2440	NASDAQ	IOSP	Fri, Feb 1, 2008	15.86	16.53	15.38	16.36
2439	NASDAQ	IOSP	Thu, Jan 31, 2008	14.84	15.95	14.69	15.77
2438	NASDAQ	IOSP	Wed, Jan 30, 2008	15.61	15.99	15.16	15.22
2437	NASDAQ	IOSP	Tue, Jan 29, 2008	16.03	16.03	15.37	15.69
2436	NASDAQ	IOSP	Mon, Jan 28, 2008	15.02	15.99	14.94	15.87
2435	NASDAQ	IOSP	Fri, Jan 25, 2008	14.78	15.70	14.78	15.07
2434	NASDAQ	IOSP	Thu, Jan 24, 2008	15.27	15.62	14.43	14.54
2433	NASDAQ	IOSP	Wed, Jan 23, 2008	14.13	15.27	13.90	15.21
2432	NASDAQ	IOSP	Tue, Jan 22, 2008	13.50	15.60	13.40	14.51
2431	NASDAQ	IOSP	Fri, Jan 18, 2008	15.00	15.20	13.58	14.10
2430	NASDAQ	IOSP	Thu, Jan 17, 2008	15.63	16.30	14.84	14.97
2429	NASDAQ	IOSP	Wed, Jan 16, 2008	15.65	16.12	15.01	15.58
2428	NASDAQ	IOSP	Tue, Jan 15, 2008	16.09	16.11	15.63	15.77
2427	NASDAQ	IOSP	Mon, Jan 14, 2008	16.40	16.59	16.10	16.45
2426	NASDAQ	IOSP	Fri, Jan 11, 2008	16.49	16.56	15.83	16.21
2425	NASDAQ	IOSP	Thu, Jan 10, 2008	15.74	17.06	15.73	16.73
2424	NASDAQ	IOSP	Wed, Jan 9, 2008	16.63	16.63	15.25	15.96
2423	NASDAQ	IOSP	Tue, Jan 8, 2008	16.26	17.07	16.26	16.70
2422	NASDAQ	IOSP	Mon, Jan 7, 2008	16.70	16.85	15.98	16.21
2421	NASDAQ	IOSP	Fri, Jan 4, 2008	16.75	16.97	16.52	16.52
2420	NASDAQ	IOSP	Thu, Jan 3, 2008	17.01	17.49	16.75	16.96
2419	NASDAQ	IOSP	Wed, Jan 2, 2008	17.15	17.40	16.57	17.14
2418	NASDAQ	IOSP	Mon, Dec 31, 2007	17.30	17.66	17.00	17.16
2417	NASDAQ	IOSP	Fri, Dec 28, 2007	18.18	18.63	17.38	17.41
2416	NASDAQ	IOSP	Thu, Dec 27, 2007	18.61	19.29	17.85	17.88
2415	NASDAQ	IOSP	Wed, Dec 26, 2007	18.77	19.09	18.40	18.66
2414	NASDAQ	IOSP	Mon, Dec 24, 2007	18.62	19.14	17.12	19.10
2413	NASDAQ	IOSP	Fri, Dec 21, 2007	18.37	19.22	18.26	18.80
2412	NASDAQ	IOSP	Thu, Dec 20, 2007	18.12	18.16	17.20	17.99
2411	NASDAQ	IOSP	Wed, Dec 19, 2007	18.09	18.32	17.86	17.90
2410	NASDAQ	IOSP	Tue, Dec 18, 2007	18.42	18.50	17.53	18.09
2409	NASDAQ	IOSP	Mon, Dec 17, 2007	18.37	18.54	17.89	18.16
2408	NASDAQ	IOSP	Fri, Dec 14, 2007	19.03	19.74	18.44	18.52
2407	NASDAQ	IOSP	Thu, Dec 13, 2007	18.65	19.99	18.41	19.33
2406	NASDAQ	IOSP	Wed, Dec 12, 2007	19.09	19.17	18.41	18.85
2405	NASDAQ	IOSP	Tue, Dec 11, 2007	18.77	18.88	18.21	18.34
2404	NASDAQ	IOSP	Mon, Dec 10, 2007	17.96	18.67	17.96	18.64
2403	NASDAQ	IOSP	Fri, Dec 7, 2007	17.54	18.02	17.27	17.96
2402	NASDAQ	IOSP	Thu, Dec 6, 2007	17.33	17.59	17.13	17.45
2401	NASDAQ	IOSP	Wed, Dec 5, 2007	17.50	17.55	17.21	17.40
2400	NASDAQ	IOSP	Tue, Dec 4, 2007	17.16	17.41	17.12	17.17
2399	NASDAQ	IOSP	Mon, Dec 3, 2007	17.57	17.68	17.07	17.28
2398	NASDAQ	IOSP	Fri, Nov 30, 2007	17.14	17.77	16.98	17.56
2397	NASDAQ	IOSP	Thu, Nov 29, 2007	17.11	17.11	16.46	16.86
2396	NASDAQ	IOSP	Wed, Nov 28, 2007	16.56	17.27	16.19	17.15
2395	NASDAQ	IOSP	Tue, Nov 27, 2007	16.58	16.70	16.10	16.26
2394	NASDAQ	IOSP	Mon, Nov 26, 2007	16.92	16.93	16.42	16.43
2393	NASDAQ	IOSP	Fri, Nov 23, 2007	16.88	17.15	16.60	16.87
2392	NASDAQ	IOSP	Wed, Nov 21, 2007	16.82	17.07	16.60	16.71
2391	NASDAQ	IOSP	Tue, Nov 20, 2007	17.14	17.36	16.65	17.00
2390	NASDAQ	IOSP	Mon, Nov 19, 2007	18.24	18.24	16.78	17.14
2389	NASDAQ	IOSP	Fri, Nov 16, 2007	17.45	19.82	17.37	18.48
2388	NASDAQ	IOSP	Thu, Nov 15, 2007	18.22	18.22	16.90	17.04
2387	NASDAQ	IOSP	Wed, Nov 14, 2007	18.87	18.87	18.10	18.34
2386	NASDAQ	IOSP	Tue, Nov 13, 2007	18.43	19.31	18.17	18.71
2385	NASDAQ	IOSP	Mon, Nov 12, 2007	18.83	18.83	18.14	18.29
2384	NASDAQ	IOSP	Fri, Nov 9, 2007	18.86	19.42	18.80	18.81
2383	NASDAQ	IOSP	Thu, Nov 8, 2007	19.13	19.59	18.36	19.29
2382	NASDAQ	IOSP	Wed, Nov 7, 2007	20.47	20.72	18.92	18.92
2381	NASDAQ	IOSP	Tue, Nov 6, 2007	19.78	20.85	19.60	20.84
2380	NASDAQ	IOSP	Mon, Nov 5, 2007	20.03	20.11	19.42	19.67
2379	NASDAQ	IOSP	Fri, Nov 2, 2007	20.04	20.96	19.78	20.39
2378	NASDAQ	IOSP	Thu, Nov 1, 2007	22.97	22.97	19.72	19.88
2377	NASDAQ	IOSP	Wed, Oct 31, 2007	21.09	21.99	20.60	21.29
2376	NASDAQ	IOSP	Tue, Oct 30, 2007	20.94	21.43	20.77	21.10
2375	NASDAQ	IOSP	Mon, Oct 29, 2007	22.02	22.57	21.02	21.08
2374	NASDAQ	IOSP	Fri, Oct 26, 2007	21.43	21.99	21.10	21.86
2373	NASDAQ	IOSP	Thu, Oct 25, 2007	21.54	21.92	20.98	21.14
2372	NASDAQ	IOSP	Wed, Oct 24, 2007	22.29	22.29	21.27	21.51
2371	NASDAQ	IOSP	Tue, Oct 23, 2007	22.60	22.72	22.04	22.52
2370	NASDAQ	IOSP	Mon, Oct 22, 2007	21.87	22.60	21.07	22.33
2369	NASDAQ	IOSP	Fri, Oct 19, 2007	23.39	23.39	22.03	22.13
2368	NASDAQ	IOSP	Thu, Oct 18, 2007	23.07	23.50	22.61	23.50
2367	NASDAQ	IOSP	Wed, Oct 17, 2007	23.58	23.95	22.45	23.26
2366	NASDAQ	IOSP	Tue, Oct 16, 2007	23.22	23.59	22.90	23.26
2365	NASDAQ	IOSP	Mon, Oct 15, 2007	23.62	23.87	23.05	23.50
2364	NASDAQ	IOSP	Fri, Oct 12, 2007	23.07	24.10	22.90	23.71
2363	NASDAQ	IOSP	Thu, Oct 11, 2007	23.98	25.07	22.56	23.13
2362	NASDAQ	IOSP	Wed, Oct 10, 2007	23.91	24.08	23.15	23.81
2361	NASDAQ	IOSP	Tue, Oct 9, 2007	23.48	24.24	23.23	23.91
2360	NASDAQ	IOSP	Mon, Oct 8, 2007	23.31	24.40	22.97	23.46
2359	NASDAQ	IOSP	Fri, Oct 5, 2007	23.16	24.22	22.71	23.55
2358	NASDAQ	IOSP	Thu, Oct 4, 2007	22.68	23.01	22.50	22.86
2357	NASDAQ	IOSP	Wed, Oct 3, 2007	23.20	23.20	22.50	22.50
2356	NASDAQ	IOSP	Tue, Oct 2, 2007	23.45	23.54	22.81	23.38
2355	NASDAQ	IOSP	Mon, Oct 1, 2007	22.73	23.79	22.54	23.49
2354	NASDAQ	IOSP	Fri, Sep 28, 2007	22.33	23.26	22.01	22.78
2353	NASDAQ	IOSP	Thu, Sep 27, 2007	22.85	23.43	22.22	22.39
2352	NASDAQ	IOSP	Wed, Sep 26, 2007	22.68	23.27	22.32	22.82
2351	NASDAQ	IOSP	Tue, Sep 25, 2007	22.66	23.26	22.09	22.57
2350	NASDAQ	IOSP	Mon, Sep 24, 2007	23.63	23.99	22.08	22.78
2349	NASDAQ	IOSP	Fri, Sep 21, 2007	24.61	24.63	23.33	23.68
2348	NASDAQ	IOSP	Thu, Sep 20, 2007	25.27	25.63	23.90	24.34
2347	NASDAQ	IOSP	Wed, Sep 19, 2007	25.31	25.55	24.54	25.24
2346	NASDAQ	IOSP	Tue, Sep 18, 2007	21.90	25.01	21.74	25.00
2345	NASDAQ	IOSP	Mon, Sep 17, 2007	22.16	22.25	21.65	21.78
2344	NASDAQ	IOSP	Fri, Sep 14, 2007	21.73	22.27	21.51	22.18
2343	NASDAQ	IOSP	Thu, Sep 13, 2007	21.66	22.40	21.32	22.08
2342	NASDAQ	IOSP	Wed, Sep 12, 2007	21.62	22.18	21.28	21.51
2341	NASDAQ	IOSP	Tue, Sep 11, 2007	21.94	21.94	20.94	21.74
2340	NASDAQ	IOSP	Mon, Sep 10, 2007	22.43	22.43	20.77	21.74
2339	NASDAQ	IOSP	Fri, Sep 7, 2007	23.04	23.55	21.77	22.33
2338	NASDAQ	IOSP	Thu, Sep 6, 2007	23.64	24.36	23.21	23.51
2337	NASDAQ	IOSP	Wed, Sep 5, 2007	24.08	24.08	22.93	23.52
2336	NASDAQ	IOSP	Tue, Sep 4, 2007	24.78	25.67	23.44	24.28
2335	NASDAQ	IOSP	Fri, Aug 31, 2007	25.16	25.59	24.33	24.84
2334	NASDAQ	IOSP	Thu, Aug 30, 2007	21.80	25.48	21.80	24.75
2333	NASDAQ	IOSP	Wed, Aug 29, 2007	23.92	25.14	23.59	25.06
2332	NASDAQ	IOSP	Tue, Aug 28, 2007	24.68	24.82	23.46	23.73
2331	NASDAQ	IOSP	Mon, Aug 27, 2007	25.97	25.97	24.58	24.87
2330	NASDAQ	IOSP	Fri, Aug 24, 2007	25.07	26.19	25.04	26.00
2329	NASDAQ	IOSP	Thu, Aug 23, 2007	26.57	26.97	24.84	25.10
2328	NASDAQ	IOSP	Wed, Aug 22, 2007	24.68	26.59	24.20	26.43
2327	NASDAQ	IOSP	Tue, Aug 21, 2007	24.40	25.11	23.85	24.35
2326	NASDAQ	IOSP	Mon, Aug 20, 2007	22.89	24.50	22.08	24.33
2325	NASDAQ	IOSP	Fri, Aug 17, 2007	24.29	24.85	22.61	22.77
2324	NASDAQ	IOSP	Thu, Aug 16, 2007	22.00	24.00	21.73	23.36
2323	NASDAQ	IOSP	Wed, Aug 15, 2007	21.51	23.00	21.32	21.99
2322	NASDAQ	IOSP	Tue, Aug 14, 2007	22.20	23.45	20.84	21.33
2321	NASDAQ	IOSP	Mon, Aug 13, 2007	21.07	25.59	21.01	24.77
2320	NASDAQ	IOSP	Fri, Aug 10, 2007	18.80	23.84	18.46	20.75
2319	NASDAQ	IOSP	Thu, Aug 9, 2007	21.28	21.28	18.15	18.72
2318	NASDAQ	IOSP	Wed, Aug 8, 2007	23.45	24.27	19.40	22.11
2317	NASDAQ	IOSP	Tue, Aug 7, 2007	25.62	25.99	22.54	23.21
2316	NASDAQ	IOSP	Mon, Aug 6, 2007	25.74	26.00	24.46	25.92
2315	NASDAQ	IOSP	Fri, Aug 3, 2007	28.90	30.91	25.49	25.68
2314	NASDAQ	IOSP	Thu, Aug 2, 2007	29.91	29.91	25.63	27.40
2313	NASDAQ	IOSP	Wed, Aug 1, 2007	28.42	28.76	26.70	28.36
2312	NASDAQ	IOSP	Tue, Jul 31, 2007	28.23	29.15	27.42	27.53
2311	NASDAQ	IOSP	Mon, Jul 30, 2007	27.43	28.69	26.17	27.89
2310	NASDAQ	IOSP	Fri, Jul 27, 2007	28.74	29.46	27.02	27.55
2309	NASDAQ	IOSP	Thu, Jul 26, 2007	29.82	30.61	27.56	28.90
2308	NASDAQ	IOSP	Wed, Jul 25, 2007	29.99	31.30	29.99	30.51
2307	NASDAQ	IOSP	Tue, Jul 24, 2007	31.25	31.53	29.45	29.71
2306	NASDAQ	IOSP	Mon, Jul 23, 2007	29.00	32.45	29.00	31.82
2305	NASDAQ	IOSP	Fri, Jul 20, 2007	31.28	31.40	29.93	30.35
2304	NASDAQ	IOSP	Thu, Jul 19, 2007	31.07	32.00	30.02	31.35
2303	NASDAQ	IOSP	Wed, Jul 18, 2007	30.21	31.19	30.21	30.80
2302	NASDAQ	IOSP	Tue, Jul 17, 2007	29.73	31.24	29.51	30.44
2301	NASDAQ	IOSP	Mon, Jul 16, 2007	30.29	30.50	29.47	29.60
2300	NASDAQ	IOSP	Fri, Jul 13, 2007	30.17	30.50	29.72	30.32
2299	NASDAQ	IOSP	Thu, Jul 12, 2007	29.62	30.23	29.36	30.18
2298	NASDAQ	IOSP	Wed, Jul 11, 2007	29.47	29.86	28.93	29.37
2297	NASDAQ	IOSP	Tue, Jul 10, 2007	29.95	30.10	28.99	29.42
2296	NASDAQ	IOSP	Mon, Jul 9, 2007	30.35	30.60	29.65	30.14
2295	NASDAQ	IOSP	Fri, Jul 6, 2007	30.75	30.87	30.25	30.35
2294	NASDAQ	IOSP	Thu, Jul 5, 2007	30.96	30.96	29.90	30.69
2293	NASDAQ	IOSP	Tue, Jul 3, 2007	29.98	31.05	29.07	30.87
2292	NASDAQ	IOSP	Mon, Jul 2, 2007	30.10	31.06	29.51	30.67
2291	NASDAQ	IOSP	Fri, Jun 29, 2007	30.71	31.14	29.55	29.61
2290	NASDAQ	IOSP	Thu, Jun 28, 2007	30.79	31.46	30.40	30.51
2289	NASDAQ	IOSP	Wed, Jun 27, 2007	29.61	30.80	29.60	30.72
2288	NASDAQ	IOSP	Tue, Jun 26, 2007	30.67	30.87	29.72	29.90
2287	NASDAQ	IOSP	Mon, Jun 25, 2007	30.44	30.87	29.90	30.45
2286	NASDAQ	IOSP	Fri, Jun 22, 2007	30.16	30.73	29.42	30.55
2285	NASDAQ	IOSP	Thu, Jun 21, 2007	29.38	30.47	29.28	29.94
2284	NASDAQ	IOSP	Wed, Jun 20, 2007	30.90	30.90	29.46	29.47
2283	NASDAQ	IOSP	Tue, Jun 19, 2007	30.62	31.00	30.00	30.99
2282	NASDAQ	IOSP	Mon, Jun 18, 2007	30.28	31.03	29.91	30.62
2281	NASDAQ	IOSP	Fri, Jun 15, 2007	29.60	30.18	28.74	29.08
2280	NASDAQ	IOSP	Thu, Jun 14, 2007	28.39	29.13	28.25	29.01
2279	NASDAQ	IOSP	Wed, Jun 13, 2007	27.51	28.41	27.07	28.03
2278	NASDAQ	IOSP	Tue, Jun 12, 2007	28.45	28.45	26.99	27.44
2277	NASDAQ	IOSP	Mon, Jun 11, 2007	28.09	29.09	27.83	28.68
2276	NASDAQ	IOSP	Fri, Jun 8, 2007	27.96	28.50	27.39	28.22
2275	NASDAQ	IOSP	Thu, Jun 7, 2007	27.87	29.16	27.87	27.97
2274	NASDAQ	IOSP	Wed, Jun 6, 2007	29.00	29.23	27.95	28.09
2273	NASDAQ	IOSP	Tue, Jun 5, 2007	29.92	30.12	28.68	29.26
2272	NASDAQ	IOSP	Mon, Jun 4, 2007	29.63	30.27	29.30	30.13
2271	NASDAQ	IOSP	Fri, Jun 1, 2007	30.12	30.73	29.42	29.77
2270	NASDAQ	IOSP	Thu, May 31, 2007	30.05	30.88	29.69	29.90
2269	NASDAQ	IOSP	Wed, May 30, 2007	29.15	30.45	29.15	29.87
2268	NASDAQ	IOSP	Tue, May 29, 2007	29.58	29.75	28.98	29.46
2267	NASDAQ	IOSP	Fri, May 25, 2007	28.54	29.95	28.54	29.53
2266	NASDAQ	IOSP	Thu, May 24, 2007	29.97	30.15	28.20	28.48
2265	NASDAQ	IOSP	Wed, May 23, 2007	31.02	31.02	29.84	29.95
2264	NASDAQ	IOSP	Tue, May 22, 2007	30.35	31.56	30.10	31.06
2263	NASDAQ	IOSP	Mon, May 21, 2007	29.99	30.71	29.56	30.34
2262	NASDAQ	IOSP	Fri, May 18, 2007	29.93	30.56	29.45	30.09
2261	NASDAQ	IOSP	Thu, May 17, 2007	30.73	30.73	29.74	29.80
2260	NASDAQ	IOSP	Wed, May 16, 2007	30.06	30.79	29.51	30.76
2259	NASDAQ	IOSP	Tue, May 15, 2007	29.79	31.18	29.79	29.91
2258	NASDAQ	IOSP	Mon, May 14, 2007	30.41	30.45	29.41	29.76
2257	NASDAQ	IOSP	Fri, May 11, 2007	28.87	30.40	28.64	30.37
2256	NASDAQ	IOSP	Thu, May 10, 2007	28.60	29.19	28.46	28.49
2255	NASDAQ	IOSP	Wed, May 9, 2007	27.85	29.03	27.17	28.89
2254	NASDAQ	IOSP	Tue, May 8, 2007	28.27	28.27	27.43	28.07
2253	NASDAQ	IOSP	Mon, May 7, 2007	28.01	28.70	27.75	28.47
2252	NASDAQ	IOSP	Fri, May 4, 2007	27.31	28.22	27.31	28.18
2251	NASDAQ	IOSP	Thu, May 3, 2007	26.95	27.48	26.77	27.26
2250	NASDAQ	IOSP	Wed, May 2, 2007	26.10	27.45	26.10	27.31
2249	NASDAQ	IOSP	Tue, May 1, 2007	26.85	28.16	26.05	26.30
2248	NASDAQ	IOSP	Mon, Apr 30, 2007	28.04	28.21	26.76	26.85
2247	NASDAQ	IOSP	Fri, Apr 27, 2007	28.40	28.60	27.60	28.24
2246	NASDAQ	IOSP	Thu, Apr 26, 2007	29.00	29.37	27.78	28.50
2245	NASDAQ	IOSP	Wed, Apr 25, 2007	29.51	29.68	28.88	29.07
2244	NASDAQ	IOSP	Tue, Apr 24, 2007	29.00	29.75	28.82	29.32
2243	NASDAQ	IOSP	Mon, Apr 23, 2007	28.94	29.34	28.57	29.00
2242	NASDAQ	IOSP	Fri, Apr 20, 2007	30.03	30.88	28.86	29.05
2241	NASDAQ	IOSP	Thu, Apr 19, 2007	29.02	29.98	28.58	29.69
2240	NASDAQ	IOSP	Wed, Apr 18, 2007	29.39	29.76	29.00	29.10
2239	NASDAQ	IOSP	Tue, Apr 17, 2007	29.47	29.68	29.02	29.51
2238	NASDAQ	IOSP	Mon, Apr 16, 2007	29.37	29.85	29.32	29.50
2237	NASDAQ	IOSP	Fri, Apr 13, 2007	29.58	29.84	29.11	29.24
2236	NASDAQ	IOSP	Thu, Apr 12, 2007	29.13	29.62	29.00	29.62
2235	NASDAQ	IOSP	Wed, Apr 11, 2007	29.35	29.51	29.02	29.16
2234	NASDAQ	IOSP	Tue, Apr 10, 2007	29.35	29.83	29.35	29.41
2233	NASDAQ	IOSP	Mon, Apr 9, 2007	29.75	29.75	29.25	29.36
2232	NASDAQ	IOSP	Thu, Apr 5, 2007	29.04	29.93	29.04	29.61
2231	NASDAQ	IOSP	Wed, Apr 4, 2007	29.49	29.70	29.13	29.25
2230	NASDAQ	IOSP	Tue, Apr 3, 2007	28.87	30.20	28.86	29.49
2229	NASDAQ	IOSP	Mon, Apr 2, 2007	28.89	28.89	28.28	28.70
2228	NASDAQ	IOSP	Fri, Mar 30, 2007	29.10	30.02	28.58	28.82
2227	NASDAQ	IOSP	Thu, Mar 29, 2007	28.74	29.63	28.44	29.15
2226	NASDAQ	IOSP	Wed, Mar 28, 2007	29.03	29.45	28.49	28.57
2225	NASDAQ	IOSP	Tue, Mar 27, 2007	30.55	30.55	28.69	29.30
2224	NASDAQ	IOSP	Mon, Mar 26, 2007	29.37	30.68	29.37	30.54
2223	NASDAQ	IOSP	Fri, Mar 23, 2007	29.21	29.60	28.95	29.38
2222	NASDAQ	IOSP	Thu, Mar 22, 2007	29.78	29.83	29.09	29.22
2221	NASDAQ	IOSP	Wed, Mar 21, 2007	28.32	29.63	28.32	29.63
2220	NASDAQ	IOSP	Tue, Mar 20, 2007	28.12	28.71	28.12	28.33
2219	NASDAQ	IOSP	Mon, Mar 19, 2007	27.72	28.68	27.40	28.05
2218	NASDAQ	IOSP	Fri, Mar 16, 2007	28.58	28.97	27.49	27.49
2217	NASDAQ	IOSP	Thu, Mar 15, 2007	27.35	28.76	27.29	28.59
2216	NASDAQ	IOSP	Wed, Mar 14, 2007	27.67	28.18	27.23	27.44
2215	NASDAQ	IOSP	Tue, Mar 13, 2007	28.36	29.05	27.57	27.66
2214	NASDAQ	IOSP	Mon, Mar 12, 2007	28.17	28.98	28.06	28.50
2213	NASDAQ	IOSP	Fri, Mar 9, 2007	28.39	28.47	27.65	28.19
2212	NASDAQ	IOSP	Thu, Mar 8, 2007	28.46	28.80	28.05	28.11
2211	NASDAQ	IOSP	Wed, Mar 7, 2007	28.16	28.64	27.40	28.22
2210	NASDAQ	IOSP	Tue, Mar 6, 2007	26.08	28.19	25.75	28.17
2209	NASDAQ	IOSP	Mon, Mar 5, 2007	26.02	26.48	25.70	25.79
2208	NASDAQ	IOSP	Fri, Mar 2, 2007	26.87	27.31	26.10	26.18
2207	NASDAQ	IOSP	Thu, Mar 1, 2007	25.67	27.56	24.69	27.05
2206	NASDAQ	IOSP	Wed, Feb 28, 2007	25.62	26.45	25.58	25.91
2205	NASDAQ	IOSP	Tue, Feb 27, 2007	26.52	26.68	25.43	25.66
2204	NASDAQ	IOSP	Mon, Feb 26, 2007	27.47	27.69	26.58	26.84
2203	NASDAQ	IOSP	Fri, Feb 23, 2007	27.63	27.63	26.90	27.25
2202	NASDAQ	IOSP	Thu, Feb 22, 2007	27.68	27.68	26.80	27.61
2201	NASDAQ	IOSP	Wed, Feb 21, 2007	27.06	27.73	26.70	27.57
2200	NASDAQ	IOSP	Tue, Feb 20, 2007	27.21	27.50	26.67	27.09
2199	NASDAQ	IOSP	Fri, Feb 16, 2007	26.57	27.17	26.12	27.17
2198	NASDAQ	IOSP	Thu, Feb 15, 2007	26.64	26.81	26.20	26.56
2197	NASDAQ	IOSP	Wed, Feb 14, 2007	26.37	27.07	26.05	26.57
2196	NASDAQ	IOSP	Tue, Feb 13, 2007	25.33	26.69	25.26	26.25
2195	NASDAQ	IOSP	Mon, Feb 12, 2007	25.15	25.90	24.94	25.28
2194	NASDAQ	IOSP	Fri, Feb 9, 2007	24.38	25.91	24.38	25.38
2193	NASDAQ	IOSP	Thu, Feb 8, 2007	26.53	27.31	23.62	24.36
2192	NASDAQ	IOSP	Wed, Feb 7, 2007	26.44	27.64	26.44	27.61
2191	NASDAQ	IOSP	Tue, Feb 6, 2007	25.93	26.60	25.84	26.19
2190	NASDAQ	IOSP	Mon, Feb 5, 2007	26.50	27.10	25.70	25.79
2189	NASDAQ	IOSP	Fri, Feb 2, 2007	27.49	27.66	26.43	26.58
2188	NASDAQ	IOSP	Thu, Feb 1, 2007	26.81	27.68	26.65	27.47
2187	NASDAQ	IOSP	Wed, Jan 31, 2007	25.86	26.80	25.68	26.75
2186	NASDAQ	IOSP	Tue, Jan 30, 2007	24.94	25.84	24.75	25.83
2185	NASDAQ	IOSP	Mon, Jan 29, 2007	24.38	25.05	24.33	24.87
2184	NASDAQ	IOSP	Fri, Jan 26, 2007	23.75	24.33	23.35	24.23
2183	NASDAQ	IOSP	Thu, Jan 25, 2007	24.38	24.53	23.37	23.75
2182	NASDAQ	IOSP	Wed, Jan 24, 2007	23.93	24.45	23.78	24.30
2181	NASDAQ	IOSP	Tue, Jan 23, 2007	23.25	24.05	23.25	23.98
2180	NASDAQ	IOSP	Mon, Jan 22, 2007	23.86	23.86	22.74	23.20
2179	NASDAQ	IOSP	Fri, Jan 19, 2007	23.25	23.95	23.12	23.81
2178	NASDAQ	IOSP	Thu, Jan 18, 2007	23.11	23.50	23.03	23.30
2177	NASDAQ	IOSP	Wed, Jan 17, 2007	22.92	23.59	22.92	23.04
2176	NASDAQ	IOSP	Tue, Jan 16, 2007	23.38	23.44	22.13	22.15
2175	NASDAQ	IOSP	Fri, Jan 12, 2007	22.85	23.30	22.43	23.27
2174	NASDAQ	IOSP	Thu, Jan 11, 2007	22.72	23.09	22.67	22.91
2173	NASDAQ	IOSP	Wed, Jan 10, 2007	22.32	23.09	22.32	22.75
2172	NASDAQ	IOSP	Tue, Jan 9, 2007	22.97	23.05	21.95	22.53
2171	NASDAQ	IOSP	Mon, Jan 8, 2007	22.08	23.17	22.08	23.01
2170	NASDAQ	IOSP	Fri, Jan 5, 2007	22.94	22.99	22.18	22.18
2169	NASDAQ	IOSP	Thu, Jan 4, 2007	22.46	23.25	22.32	22.96
2168	NASDAQ	IOSP	Wed, Jan 3, 2007	23.33	23.52	22.43	22.54
2167	NASDAQ	IOSP	Fri, Dec 29, 2006	23.70	24.03	23.22	23.28
2166	NASDAQ	IOSP	Thu, Dec 28, 2006	23.87	24.03	23.72	23.75
2165	NASDAQ	IOSP	Wed, Dec 27, 2006	23.71	24.23	23.54	23.98
2164	NASDAQ	IOSP	Tue, Dec 26, 2006	23.09	23.84	23.09	23.74
2163	NASDAQ	IOSP	Fri, Dec 22, 2006	23.95	24.00	23.02	23.17
2162	NASDAQ	IOSP	Thu, Dec 21, 2006	23.72	24.07	23.49	23.88
2161	NASDAQ	IOSP	Wed, Dec 20, 2006	23.78	24.10	23.78	23.94
2160	NASDAQ	IOSP	Tue, Dec 19, 2006	23.21	24.08	23.20	23.74
2159	NASDAQ	IOSP	Mon, Dec 18, 2006	24.34	24.34	23.22	23.25
2158	NASDAQ	IOSP	Fri, Dec 15, 2006	24.11	24.40	24.03	24.20
2157	NASDAQ	IOSP	Thu, Dec 14, 2006	23.72	24.33	23.65	23.99
2156	NASDAQ	IOSP	Wed, Dec 13, 2006	24.03	24.03	23.49	23.51
2155	NASDAQ	IOSP	Tue, Dec 12, 2006	23.25	23.98	22.83	23.79
2154	NASDAQ	IOSP	Mon, Dec 11, 2006	23.11	23.30	23.04	23.21
2153	NASDAQ	IOSP	Fri, Dec 8, 2006	22.48	23.33	22.27	23.02
2152	NASDAQ	IOSP	Thu, Dec 7, 2006	22.03	22.68	22.02	22.42
2151	NASDAQ	IOSP	Wed, Dec 6, 2006	21.91	22.43	21.69	22.03
2150	NASDAQ	IOSP	Tue, Dec 5, 2006	21.33	22.18	21.22	21.99
2149	NASDAQ	IOSP	Mon, Dec 4, 2006	20.63	21.32	20.57	21.25
2148	NASDAQ	IOSP	Fri, Dec 1, 2006	21.04	21.22	20.43	20.77
2147	NASDAQ	IOSP	Thu, Nov 30, 2006	21.80	21.99	21.28	21.29
2146	NASDAQ	IOSP	Wed, Nov 29, 2006	20.75	21.78	20.75	21.74
2145	NASDAQ	IOSP	Tue, Nov 28, 2006	21.04	21.14	20.46	20.75
2144	NASDAQ	IOSP	Mon, Nov 27, 2006	20.87	21.33	20.51	21.05
2143	NASDAQ	IOSP	Fri, Nov 24, 2006	20.87	21.08	20.69	20.96
2142	NASDAQ	IOSP	Wed, Nov 22, 2006	21.05	21.18	20.83	20.87
2141	NASDAQ	IOSP	Tue, Nov 21, 2006	20.81	21.04	20.63	20.98
2140	NASDAQ	IOSP	Mon, Nov 20, 2006	20.58	20.75	20.34	20.66
2139	NASDAQ	IOSP	Fri, Nov 17, 2006	20.18	20.59	20.05	20.45
2138	NASDAQ	IOSP	Thu, Nov 16, 2006	20.88	20.91	20.09	20.20
2137	NASDAQ	IOSP	Wed, Nov 15, 2006	20.49	20.83	20.11	20.70
2136	NASDAQ	IOSP	Tue, Nov 14, 2006	20.00	20.43	19.45	20.42
2135	NASDAQ	IOSP	Mon, Nov 13, 2006	19.28	19.92	19.26	19.85
2134	NASDAQ	IOSP	Fri, Nov 10, 2006	18.88	19.49	18.88	19.42
2133	NASDAQ	IOSP	Thu, Nov 9, 2006	19.28	19.40	18.58	18.73
2132	NASDAQ	IOSP	Wed, Nov 8, 2006	18.57	19.33	18.57	19.26
2131	NASDAQ	IOSP	Tue, Nov 7, 2006	18.67	18.79	18.48	18.64
2130	NASDAQ	IOSP	Mon, Nov 6, 2006	18.57	18.63	18.05	18.63
2129	NASDAQ	IOSP	Fri, Nov 3, 2006	18.38	18.45	17.98	18.34
2128	NASDAQ	IOSP	Thu, Nov 2, 2006	17.07	18.22	16.96	18.21
2127	NASDAQ	IOSP	Wed, Nov 1, 2006	16.87	17.48	16.65	17.24
2126	NASDAQ	IOSP	Tue, Oct 31, 2006	16.55	16.94	16.52	16.74
2125	NASDAQ	IOSP	Mon, Oct 30, 2006	16.23	16.56	16.02	16.51
2124	NASDAQ	IOSP	Fri, Oct 27, 2006	16.25	16.45	15.82	16.26
2123	NASDAQ	IOSP	Thu, Oct 26, 2006	15.30	16.40	15.30	16.40
2122	NASDAQ	IOSP	Wed, Oct 25, 2006	15.11	15.30	14.94	15.30
2121	NASDAQ	IOSP	Tue, Oct 24, 2006	15.13	15.15	14.96	15.05
2120	NASDAQ	IOSP	Mon, Oct 23, 2006	14.85	15.14	14.80	15.11
2119	NASDAQ	IOSP	Fri, Oct 20, 2006	15.06	15.06	14.62	14.98
2118	NASDAQ	IOSP	Thu, Oct 19, 2006	14.98	15.02	14.71	14.96
2117	NASDAQ	IOSP	Wed, Oct 18, 2006	15.08	15.18	14.90	15.01
2116	NASDAQ	IOSP	Tue, Oct 17, 2006	14.92	15.02	14.76	14.97
2115	NASDAQ	IOSP	Mon, Oct 16, 2006	14.95	15.17	14.89	15.00
2114	NASDAQ	IOSP	Fri, Oct 13, 2006	15.01	15.01	14.87	14.96
2113	NASDAQ	IOSP	Thu, Oct 12, 2006	14.81	15.03	14.81	14.93
2112	NASDAQ	IOSP	Wed, Oct 11, 2006	14.92	15.00	14.61	14.70
2111	NASDAQ	IOSP	Tue, Oct 10, 2006	14.98	15.03	14.72	14.94
2110	NASDAQ	IOSP	Mon, Oct 9, 2006	15.04	15.04	14.75	14.97
2109	NASDAQ	IOSP	Fri, Oct 6, 2006	14.98	15.05	14.82	15.03
2108	NASDAQ	IOSP	Thu, Oct 5, 2006	14.86	15.11	14.86	15.00
2107	NASDAQ	IOSP	Wed, Oct 4, 2006	14.75	14.97	14.51	14.91
2106	NASDAQ	IOSP	Tue, Oct 3, 2006	14.70	15.02	14.39	14.86
2105	NASDAQ	IOSP	Mon, Oct 2, 2006	14.88	15.02	14.71	14.80
2104	NASDAQ	IOSP	Fri, Sep 29, 2006	15.07	15.07	14.82	14.85
2103	NASDAQ	IOSP	Thu, Sep 28, 2006	15.00	15.05	14.84	14.99
2102	NASDAQ	IOSP	Wed, Sep 27, 2006	14.82	15.20	14.82	15.07
2101	NASDAQ	IOSP	Tue, Sep 26, 2006	15.00	15.05	14.84	14.93
2100	NASDAQ	IOSP	Mon, Sep 25, 2006	14.53	14.99	14.25	14.87
2099	NASDAQ	IOSP	Fri, Sep 22, 2006	14.84	14.89	14.41	14.56
2098	NASDAQ	IOSP	Thu, Sep 21, 2006	14.51	14.97	14.48	14.90
2097	NASDAQ	IOSP	Wed, Sep 20, 2006	14.30	15.05	14.28	14.42
2096	NASDAQ	IOSP	Tue, Sep 19, 2006	14.03	14.30	13.90	14.22
2095	NASDAQ	IOSP	Mon, Sep 18, 2006	14.08	14.19	13.90	14.19
2094	NASDAQ	IOSP	Fri, Sep 15, 2006	14.10	14.25	13.96	14.19
2093	NASDAQ	IOSP	Thu, Sep 14, 2006	13.88	14.05	13.85	14.00
2092	NASDAQ	IOSP	Wed, Sep 13, 2006	13.78	14.00	13.71	13.90
2091	NASDAQ	IOSP	Tue, Sep 12, 2006	13.71	13.94	13.49	13.78
2090	NASDAQ	IOSP	Mon, Sep 11, 2006	13.65	13.78	13.51	13.63
2089	NASDAQ	IOSP	Fri, Sep 8, 2006	13.74	13.78	13.61	13.73
2088	NASDAQ	IOSP	Thu, Sep 7, 2006	13.63	14.01	13.52	13.65
2087	NASDAQ	IOSP	Wed, Sep 6, 2006	13.57	13.86	13.50	13.63
2086	NASDAQ	IOSP	Tue, Sep 5, 2006	13.57	13.95	13.50	13.71
2085	NASDAQ	IOSP	Fri, Sep 1, 2006	13.50	13.75	13.47	13.61
2084	NASDAQ	IOSP	Thu, Aug 31, 2006	13.50	13.95	13.37	13.72
2083	NASDAQ	IOSP	Wed, Aug 30, 2006	13.08	13.50	12.79	13.46
2082	NASDAQ	IOSP	Tue, Aug 29, 2006	12.72	13.02	12.50	13.00
2081	NASDAQ	IOSP	Mon, Aug 28, 2006	12.48	12.67	12.45	12.59
2080	NASDAQ	IOSP	Fri, Aug 25, 2006	12.08	12.63	12.06	12.63
2079	NASDAQ	IOSP	Thu, Aug 24, 2006	12.00	12.41	11.71	12.16
2078	NASDAQ	IOSP	Wed, Aug 23, 2006	12.95	12.95	11.93	12.00
2077	NASDAQ	IOSP	Tue, Aug 22, 2006	13.33	13.33	12.85	12.95
2076	NASDAQ	IOSP	Mon, Aug 21, 2006	13.10	13.41	13.10	13.30
2075	NASDAQ	IOSP	Fri, Aug 18, 2006	13.13	13.23	12.92	13.14
2074	NASDAQ	IOSP	Thu, Aug 17, 2006	13.06	13.27	12.50	13.26
2073	NASDAQ	IOSP	Wed, Aug 16, 2006	12.79	13.16	12.39	13.11
2072	NASDAQ	IOSP	Tue, Aug 15, 2006	12.44	12.78	12.23	12.66
2071	NASDAQ	IOSP	Mon, Aug 14, 2006	12.20	12.32	12.06	12.25
2070	NASDAQ	IOSP	Fri, Aug 11, 2006	12.19	12.32	11.79	12.04
2069	NASDAQ	IOSP	Thu, Aug 10, 2006	11.74	12.48	11.20	12.26
2068	NASDAQ	IOSP	Wed, Aug 9, 2006	11.33	12.30	11.30	11.87
2067	NASDAQ	IOSP	Tue, Aug 8, 2006	12.01	12.01	11.21	11.21
2066	NASDAQ	IOSP	Mon, Aug 7, 2006	11.89	12.09	11.63	12.03
2065	NASDAQ	IOSP	Fri, Aug 4, 2006	13.40	13.40	11.76	12.01
2064	NASDAQ	IOSP	Thu, Aug 3, 2006	11.94	13.30	11.83	13.23
2063	NASDAQ	IOSP	Wed, Aug 2, 2006	12.32	12.44	11.95	12.09
2062	NASDAQ	IOSP	Tue, Aug 1, 2006	12.16	12.36	11.50	12.19
2061	NASDAQ	IOSP	Mon, Jul 31, 2006	11.99	12.75	11.59	12.34
2060	NASDAQ	IOSP	Fri, Jul 28, 2006	12.18	12.38	11.65	12.25
2059	NASDAQ	IOSP	Thu, Jul 27, 2006	12.27	12.37	11.89	12.13
2058	NASDAQ	IOSP	Wed, Jul 26, 2006	12.32	12.59	12.15	12.15
2057	NASDAQ	IOSP	Tue, Jul 25, 2006	12.27	12.55	12.15	12.38
2056	NASDAQ	IOSP	Mon, Jul 24, 2006	12.48	12.82	12.42	12.50
2055	NASDAQ	IOSP	Fri, Jul 21, 2006	12.33	12.55	12.21	12.35
2054	NASDAQ	IOSP	Thu, Jul 20, 2006	12.67	12.96	12.31	12.43
2053	NASDAQ	IOSP	Wed, Jul 19, 2006	12.57	12.78	12.47	12.58
2052	NASDAQ	IOSP	Tue, Jul 18, 2006	12.30	12.76	12.15	12.51
2051	NASDAQ	IOSP	Mon, Jul 17, 2006	12.30	12.56	12.15	12.21
2050	NASDAQ	IOSP	Fri, Jul 14, 2006	12.18	12.68	12.08	12.42
2049	NASDAQ	IOSP	Thu, Jul 13, 2006	12.31	12.54	12.22	12.22
2048	NASDAQ	IOSP	Wed, Jul 12, 2006	12.50	12.81	12.31	12.34
2047	NASDAQ	IOSP	Tue, Jul 11, 2006	12.38	12.71	12.35	12.48
2046	NASDAQ	IOSP	Mon, Jul 10, 2006	12.39	12.81	12.27	12.51
2045	NASDAQ	IOSP	Fri, Jul 7, 2006	12.68	13.03	12.22	12.34
2044	NASDAQ	IOSP	Thu, Jul 6, 2006	12.26	12.68	12.26	12.62
2043	NASDAQ	IOSP	Wed, Jul 5, 2006	12.28	12.50	12.19	12.31
2042	NASDAQ	IOSP	Mon, Jul 3, 2006	12.25	12.74	12.25	12.60
2041	NASDAQ	IOSP	Fri, Jun 30, 2006	12.34	12.71	12.01	12.71
2040	NASDAQ	IOSP	Thu, Jun 29, 2006	11.56	12.50	11.56	12.25
2039	NASDAQ	IOSP	Wed, Jun 28, 2006	11.77	11.83	11.39	11.44
2038	NASDAQ	IOSP	Tue, Jun 27, 2006	12.46	12.51	11.56	11.79
2037	NASDAQ	IOSP	Mon, Jun 26, 2006	11.99	12.48	11.99	12.39
2036	NASDAQ	IOSP	Fri, Jun 23, 2006	11.78	12.43	11.64	11.90
2035	NASDAQ	IOSP	Thu, Jun 22, 2006	12.07	12.27	11.79	11.87
2034	NASDAQ	IOSP	Wed, Jun 21, 2006	12.04	12.46	12.04	12.20
2033	NASDAQ	IOSP	Tue, Jun 20, 2006	11.50	12.25	11.50	12.06
2032	NASDAQ	IOSP	Mon, Jun 19, 2006	11.60	12.21	11.37	11.52
2031	NASDAQ	IOSP	Fri, Jun 16, 2006	12.22	12.27	11.49	11.58
2030	NASDAQ	IOSP	Thu, Jun 15, 2006	12.02	12.45	11.58	12.28
2029	NASDAQ	IOSP	Wed, Jun 14, 2006	11.85	12.10	11.43	11.96
2028	NASDAQ	IOSP	Tue, Jun 13, 2006	11.51	12.51	11.39	11.79
2027	NASDAQ	IOSP	Mon, Jun 12, 2006	12.40	12.71	11.95	12.38
2026	NASDAQ	IOSP	Fri, Jun 9, 2006	11.92	12.87	11.70	12.42
2025	NASDAQ	IOSP	Thu, Jun 8, 2006	11.78	11.90	11.60	11.80
2024	NASDAQ	IOSP	Wed, Jun 7, 2006	12.13	12.31	11.80	11.80
2023	NASDAQ	IOSP	Tue, Jun 6, 2006	11.73	12.13	11.65	12.04
2022	NASDAQ	IOSP	Mon, Jun 5, 2006	13.29	13.55	11.61	11.72
2021	NASDAQ	IOSP	Fri, Jun 2, 2006	12.79	13.55	12.64	13.42
2020	NASDAQ	IOSP	Thu, Jun 1, 2006	12.00	12.75	12.00	12.70
2019	NASDAQ	IOSP	Wed, May 31, 2006	11.79	12.19	11.79	12.08
2018	NASDAQ	IOSP	Tue, May 30, 2006	12.55	12.56	11.85	11.87
2017	NASDAQ	IOSP	Fri, May 26, 2006	13.00	13.00	12.48	12.75
2016	NASDAQ	IOSP	Thu, May 25, 2006	12.93	12.93	11.88	12.77
2015	NASDAQ	IOSP	Wed, May 24, 2006	12.09	12.74	11.85	12.63
2014	NASDAQ	IOSP	Tue, May 23, 2006	12.16	12.55	11.40	12.09
2013	NASDAQ	IOSP	Mon, May 22, 2006	12.28	12.44	11.70	12.08
2012	NASDAQ	IOSP	Fri, May 19, 2006	11.83	12.61	11.83	12.45
2011	NASDAQ	IOSP	Thu, May 18, 2006	12.50	12.50	12.06	12.10
2010	NASDAQ	IOSP	Wed, May 17, 2006	12.78	12.97	12.47	12.55
2009	NASDAQ	IOSP	Tue, May 16, 2006	12.73	12.98	12.51	12.92
2008	NASDAQ	IOSP	Mon, May 15, 2006	13.02	13.04	12.56	12.73
2007	NASDAQ	IOSP	Fri, May 12, 2006	13.40	13.54	12.02	13.18
2006	NASDAQ	IOSP	Thu, May 11, 2006	13.59	13.59	13.35	13.35
2005	NASDAQ	IOSP	Wed, May 10, 2006	13.68	13.73	13.29	13.50
2004	NASDAQ	IOSP	Tue, May 9, 2006	13.25	13.75	13.06	13.61
2003	NASDAQ	IOSP	Mon, May 8, 2006	13.47	13.52	12.98	13.13
2002	NASDAQ	IOSP	Fri, May 5, 2006	13.02	13.44	13.01	13.32
2001	NASDAQ	IOSP	Thu, May 4, 2006	12.80	13.25	12.35	13.05
2000	NASDAQ	IOSP	Wed, May 3, 2006	12.37	13.09	12.37	12.89
1999	NASDAQ	IOSP	Tue, May 2, 2006	12.00	13.30	11.88	12.39
1998	NASDAQ	IOSP	Mon, May 1, 2006	12.64	12.73	12.40	12.43
1997	NASDAQ	IOSP	Fri, Apr 28, 2006	12.77	13.38	12.37	12.57
1996	NASDAQ	IOSP	Thu, Apr 27, 2006	13.36	13.36	12.61	12.92
1995	NASDAQ	IOSP	Wed, Apr 26, 2006	13.62	13.65	12.82	13.33
1994	NASDAQ	IOSP	Tue, Apr 25, 2006	13.65	13.65	13.03	13.40
1993	NASDAQ	IOSP	Mon, Apr 24, 2006	13.39	13.59	13.27	13.56
1992	NASDAQ	IOSP	Fri, Apr 21, 2006	13.48	13.49	13.03	13.49
1991	NASDAQ	IOSP	Thu, Apr 20, 2006	13.07	13.25	13.03	13.24
1990	NASDAQ	IOSP	Wed, Apr 19, 2006	13.50	13.55	12.96	13.45
1989	NASDAQ	IOSP	Tue, Apr 18, 2006	12.49	13.50	12.38	13.50
1988	NASDAQ	IOSP	Mon, Apr 17, 2006	12.84	12.84	12.26	12.37
1987	NASDAQ	IOSP	Thu, Apr 13, 2006	12.60	12.82	12.43	12.48
1986	NASDAQ	IOSP	Wed, Apr 12, 2006	12.43	12.75	11.62	12.60
1985	NASDAQ	IOSP	Tue, Apr 11, 2006	12.65	12.83	11.70	12.52
1984	NASDAQ	IOSP	Mon, Apr 10, 2006	12.46	13.09	12.45	12.65
1983	NASDAQ	IOSP	Fri, Apr 7, 2006	13.20	13.28	12.11	12.39
1982	NASDAQ	IOSP	Thu, Apr 6, 2006	13.14	13.32	12.61	13.13
1981	NASDAQ	IOSP	Wed, Apr 5, 2006	13.30	13.45	12.58	13.25
1980	NASDAQ	IOSP	Tue, Apr 4, 2006	12.66	13.25	12.50	13.20
1979	NASDAQ	IOSP	Mon, Apr 3, 2006	12.94	13.00	12.50	12.75
1978	NASDAQ	IOSP	Fri, Mar 31, 2006	13.00	13.00	12.62	12.82
1977	NASDAQ	IOSP	Thu, Mar 30, 2006	12.87	12.96	12.73	12.82
1976	NASDAQ	IOSP	Wed, Mar 29, 2006	12.45	13.12	12.45	12.95
1975	NASDAQ	IOSP	Tue, Mar 28, 2006	12.42	12.98	12.38	12.52
1974	NASDAQ	IOSP	Mon, Mar 27, 2006	12.16	12.16	11.66	12.05
1973	NASDAQ	IOSP	Fri, Mar 24, 2006	12.17	12.59	12.17	12.20
1972	NASDAQ	IOSP	Thu, Mar 23, 2006	13.13	13.13	12.20	12.25
1971	NASDAQ	IOSP	Tue, Mar 21, 2006	12.70	12.95	12.13	12.20
1970	NASDAQ	IOSP	Mon, Mar 20, 2006	12.10	12.75	12.08	12.75
1969	NASDAQ	IOSP	Fri, Mar 17, 2006	12.28	12.35	12.06	12.14
1968	NASDAQ	IOSP	Thu, Mar 16, 2006	12.35	12.35	12.20	12.28
1967	NASDAQ	IOSP	Wed, Mar 15, 2006	11.83	12.38	11.82	12.31
1966	NASDAQ	IOSP	Tue, Mar 14, 2006	11.95	11.99	11.60	11.75
1965	NASDAQ	IOSP	Mon, Mar 13, 2006	11.93	12.07	11.73	11.95
1964	NASDAQ	IOSP	Fri, Mar 10, 2006	11.95	12.04	11.78	11.87
1963	NASDAQ	IOSP	Thu, Mar 9, 2006	11.83	12.00	11.73	11.99
1962	NASDAQ	IOSP	Wed, Mar 8, 2006	11.99	12.00	11.62	11.88
1961	NASDAQ	IOSP	Tue, Mar 7, 2006	12.20	12.60	11.96	11.98
1960	NASDAQ	IOSP	Mon, Mar 6, 2006	11.94	12.38	11.94	12.20
1959	NASDAQ	IOSP	Fri, Mar 3, 2006	12.50	12.63	12.23	12.42
1958	NASDAQ	IOSP	Thu, Mar 2, 2006	13.05	13.05	12.41	12.55
1957	NASDAQ	IOSP	Wed, Mar 1, 2006	11.70	13.05	11.60	13.05
1956	NASDAQ	IOSP	Tue, Feb 28, 2006	11.93	12.00	11.60	11.65
1955	NASDAQ	IOSP	Mon, Feb 27, 2006	11.10	12.45	11.10	11.98
1954	NASDAQ	IOSP	Fri, Feb 24, 2006	10.75	12.29	10.75	11.00
1953	NASDAQ	IOSP	Thu, Feb 23, 2006	10.89	11.03	10.85	10.95
1952	NASDAQ	IOSP	Wed, Feb 22, 2006	10.55	11.00	10.55	10.89
1951	NASDAQ	IOSP	Tue, Feb 21, 2006	10.58	10.98	10.19	10.51
1950	NASDAQ	IOSP	Fri, Feb 17, 2006	10.01	11.03	10.00	10.62
1949	NASDAQ	IOSP	Thu, Feb 16, 2006	9.98	10.01	9.95	9.96
1948	NASDAQ	IOSP	Wed, Feb 15, 2006	10.05	10.05	9.80	9.95
1947	NASDAQ	IOSP	Tue, Feb 14, 2006	10.05	10.15	9.98	10.09
1946	NASDAQ	IOSP	Mon, Feb 13, 2006	10.05	10.40	9.95	10.00
1945	NASDAQ	IOSP	Fri, Feb 10, 2006	10.25	10.36	9.88	9.98
1944	NASDAQ	IOSP	Thu, Feb 9, 2006	9.90	10.46	9.87	10.28
1943	NASDAQ	IOSP	Wed, Feb 8, 2006	10.00	10.00	8.90	9.90
1942	NASDAQ	IOSP	Tue, Feb 7, 2006	9.90	10.07	9.75	9.97
1941	NASDAQ	IOSP	Mon, Feb 6, 2006	9.80	10.10	9.80	10.04
1940	NASDAQ	IOSP	Fri, Feb 3, 2006	10.00	10.02	9.75	9.80
1939	NASDAQ	IOSP	Thu, Feb 2, 2006	10.15	10.29	9.95	10.29
1938	NASDAQ	IOSP	Wed, Feb 1, 2006	10.08	10.20	9.93	10.20
1937	NASDAQ	IOSP	Tue, Jan 31, 2006	10.77	10.79	9.95	10.13
1936	NASDAQ	IOSP	Mon, Jan 30, 2006	10.98	11.02	10.77	10.77
1935	NASDAQ	IOSP	Fri, Jan 27, 2006	10.62	11.45	10.62	11.25
1934	NASDAQ	IOSP	Thu, Jan 26, 2006	10.30	10.73	10.25	10.62
1933	NASDAQ	IOSP	Wed, Jan 25, 2006	10.00	10.30	9.95	10.25
1932	NASDAQ	IOSP	Tue, Jan 24, 2006	9.63	10.00	9.54	10.00
1931	NASDAQ	IOSP	Mon, Jan 23, 2006	9.40	9.60	9.35	9.58
1930	NASDAQ	IOSP	Fri, Jan 20, 2006	9.75	9.78	9.34	9.35
1929	NASDAQ	IOSP	Thu, Jan 19, 2006	9.22	9.58	9.15	9.55
1928	NASDAQ	IOSP	Wed, Jan 18, 2006	9.08	9.23	9.08	9.22
1927	NASDAQ	IOSP	Tue, Jan 17, 2006	8.88	9.21	8.80	9.14
1926	NASDAQ	IOSP	Fri, Jan 13, 2006	8.90	8.95	8.73	8.92
1925	NASDAQ	IOSP	Thu, Jan 12, 2006	9.14	9.14	8.75	8.83
1924	NASDAQ	IOSP	Wed, Jan 11, 2006	9.38	9.38	9.01	9.14
1923	NASDAQ	IOSP	Tue, Jan 10, 2006	9.01	9.30	9.01	9.30
1922	NASDAQ	IOSP	Mon, Jan 9, 2006	9.04	9.18	8.95	9.01
1921	NASDAQ	IOSP	Fri, Jan 6, 2006	8.83	9.05	8.79	9.01
1920	NASDAQ	IOSP	Thu, Jan 5, 2006	8.60	8.79	8.49	8.79
1919	NASDAQ	IOSP	Wed, Jan 4, 2006	8.38	8.70	8.38	8.65
1918	NASDAQ	IOSP	Tue, Jan 3, 2006	8.20	8.41	7.85	8.38
1917	NASDAQ	IOSP	Fri, Dec 30, 2005	8.30	8.30	8.05	8.14
1916	NASDAQ	IOSP	Thu, Dec 29, 2005	8.35	8.43	8.33	8.33
1915	NASDAQ	IOSP	Wed, Dec 28, 2005	8.43	8.48	8.28	8.34
1914	NASDAQ	IOSP	Tue, Dec 27, 2005	8.75	8.83	8.42	8.45
1913	NASDAQ	IOSP	Fri, Dec 23, 2005	8.93	8.93	8.79	8.84
1912	NASDAQ	IOSP	Thu, Dec 22, 2005	8.83	9.00	8.80	8.90
1911	NASDAQ	IOSP	Wed, Dec 21, 2005	8.48	8.81	8.48	8.76
1910	NASDAQ	IOSP	Tue, Dec 20, 2005	8.18	8.46	8.08	8.43
1909	NASDAQ	IOSP	Mon, Dec 19, 2005	8.63	8.63	8.00	8.22
1908	NASDAQ	IOSP	Fri, Dec 16, 2005	8.61	8.75	8.51	8.55
1907	NASDAQ	IOSP	Thu, Dec 15, 2005	8.74	8.78	8.50	8.59
1906	NASDAQ	IOSP	Wed, Dec 14, 2005	8.54	8.78	8.54	8.78
1905	NASDAQ	IOSP	Tue, Dec 13, 2005	8.32	8.56	8.31	8.54
1904	NASDAQ	IOSP	Mon, Dec 12, 2005	8.35	8.37	8.27	8.29
1903	NASDAQ	IOSP	Fri, Dec 9, 2005	8.13	8.34	8.13	8.32
1902	NASDAQ	IOSP	Thu, Dec 8, 2005	8.00	8.15	7.94	8.08
1901	NASDAQ	IOSP	Wed, Dec 7, 2005	8.10	8.10	7.87	8.01
1900	NASDAQ	IOSP	Tue, Dec 6, 2005	8.08	8.10	7.98	8.08
1899	NASDAQ	IOSP	Mon, Dec 5, 2005	8.00	8.09	7.95	8.05
1898	NASDAQ	IOSP	Fri, Dec 2, 2005	7.90	8.03	7.87	8.02
1897	NASDAQ	IOSP	Thu, Dec 1, 2005	7.83	8.18	7.80	7.95
1896	NASDAQ	IOSP	Wed, Nov 30, 2005	7.52	7.78	7.52	7.74
1895	NASDAQ	IOSP	Tue, Nov 29, 2005	7.51	7.78	7.50	7.52
1894	NASDAQ	IOSP	Mon, Nov 28, 2005	7.79	7.82	7.49	7.52
1893	NASDAQ	IOSP	Fri, Nov 25, 2005	7.83	7.83	7.79	7.80
1892	NASDAQ	IOSP	Wed, Nov 23, 2005	7.82	7.89	7.80	7.84
1891	NASDAQ	IOSP	Tue, Nov 22, 2005	8.05	8.05	7.80	7.89
1890	NASDAQ	IOSP	Mon, Nov 21, 2005	7.82	8.11	7.73	8.09
1889	NASDAQ	IOSP	Fri, Nov 18, 2005	8.25	8.25	7.82	7.82
1888	NASDAQ	IOSP	Thu, Nov 17, 2005	7.85	8.13	7.84	8.11
1887	NASDAQ	IOSP	Wed, Nov 16, 2005	8.00	8.00	7.58	7.80
1886	NASDAQ	IOSP	Tue, Nov 15, 2005	8.43	8.43	7.97	7.97
1885	NASDAQ	IOSP	Mon, Nov 14, 2005	8.70	8.70	8.36	8.50
1884	NASDAQ	IOSP	Fri, Nov 11, 2005	8.25	8.70	8.25	8.65
1883	NASDAQ	IOSP	Thu, Nov 10, 2005	7.85	8.36	7.69	8.29
1882	NASDAQ	IOSP	Wed, Nov 9, 2005	7.63	7.85	7.56	7.84
1881	NASDAQ	IOSP	Tue, Nov 8, 2005	7.45	7.67	7.43	7.61
1880	NASDAQ	IOSP	Mon, Nov 7, 2005	7.54	7.66	7.36	7.50
1879	NASDAQ	IOSP	Fri, Nov 4, 2005	7.39	7.50	7.39	7.45
1878	NASDAQ	IOSP	Thu, Nov 3, 2005	7.45	7.50	7.42	7.42
1877	NASDAQ	IOSP	Wed, Nov 2, 2005	7.45	7.50	7.38	7.45
1876	NASDAQ	IOSP	Tue, Nov 1, 2005	7.45	7.50	7.30	7.41
1875	NASDAQ	IOSP	Mon, Oct 31, 2005	7.45	7.50	7.45	7.50
1874	NASDAQ	IOSP	Fri, Oct 28, 2005	7.41	7.65	7.41	7.50
1873	NASDAQ	IOSP	Thu, Oct 27, 2005	7.48	7.53	7.37	7.37
1872	NASDAQ	IOSP	Wed, Oct 26, 2005	7.51	7.58	7.46	7.48
1871	NASDAQ	IOSP	Tue, Oct 25, 2005	7.52	7.60	7.40	7.54
1870	NASDAQ	IOSP	Mon, Oct 24, 2005	7.30	7.58	7.30	7.52
1869	NASDAQ	IOSP	Fri, Oct 21, 2005	7.18	7.42	7.17	7.33
1868	NASDAQ	IOSP	Thu, Oct 20, 2005	7.50	7.51	7.18	7.30
1867	NASDAQ	IOSP	Wed, Oct 19, 2005	7.37	7.53	7.28	7.53
1866	NASDAQ	IOSP	Tue, Oct 18, 2005	7.61	7.61	7.38	7.40
1865	NASDAQ	IOSP	Mon, Oct 17, 2005	7.66	7.70	7.53	7.59
1864	NASDAQ	IOSP	Fri, Oct 14, 2005	7.44	7.70	7.33	7.68
1863	NASDAQ	IOSP	Thu, Oct 13, 2005	7.48	7.50	7.32	7.47
1862	NASDAQ	IOSP	Wed, Oct 12, 2005	7.36	7.56	7.33	7.51
1861	NASDAQ	IOSP	Tue, Oct 11, 2005	7.50	7.73	7.31	7.31
1860	NASDAQ	IOSP	Mon, Oct 10, 2005	8.15	8.15	7.58	7.58
1859	NASDAQ	IOSP	Fri, Oct 7, 2005	7.55	7.73	7.55	7.68
1858	NASDAQ	IOSP	Thu, Oct 6, 2005	7.40	7.75	7.37	7.75
1857	NASDAQ	IOSP	Wed, Oct 5, 2005	7.88	7.90	7.36	7.37
1856	NASDAQ	IOSP	Tue, Oct 4, 2005	8.20	8.20	7.93	7.96
1855	NASDAQ	IOSP	Mon, Oct 3, 2005	8.28	8.45	8.16	8.20
1854	NASDAQ	IOSP	Fri, Sep 30, 2005	8.10	8.34	8.10	8.34
1853	NASDAQ	IOSP	Thu, Sep 29, 2005	8.21	8.26	8.13	8.17
1852	NASDAQ	IOSP	Wed, Sep 28, 2005	8.43	8.43	8.03	8.11
1851	NASDAQ	IOSP	Tue, Sep 27, 2005	8.41	8.55	8.41	8.46
1850	NASDAQ	IOSP	Mon, Sep 26, 2005	8.43	8.43	8.31	8.38
1849	NASDAQ	IOSP	Fri, Sep 23, 2005	8.23	8.42	8.23	8.39
1848	NASDAQ	IOSP	Thu, Sep 22, 2005	8.43	8.48	8.19	8.21
1847	NASDAQ	IOSP	Wed, Sep 21, 2005	8.12	8.46	8.12	8.35
1846	NASDAQ	IOSP	Tue, Sep 20, 2005	8.50	8.54	8.12	8.12
1845	NASDAQ	IOSP	Mon, Sep 19, 2005	8.53	8.53	8.29	8.31
1844	NASDAQ	IOSP	Fri, Sep 16, 2005	8.53	8.57	8.43	8.56
1843	NASDAQ	IOSP	Thu, Sep 15, 2005	8.50	8.52	8.41	8.52
1842	NASDAQ	IOSP	Wed, Sep 14, 2005	8.48	8.55	8.46	8.49
1841	NASDAQ	IOSP	Tue, Sep 13, 2005	8.51	8.53	8.43	8.48
1840	NASDAQ	IOSP	Mon, Sep 12, 2005	8.60	8.60	8.50	8.55
1839	NASDAQ	IOSP	Fri, Sep 9, 2005	8.51	8.69	8.50	8.62
1838	NASDAQ	IOSP	Thu, Sep 8, 2005	8.58	8.58	8.50	8.51
1837	NASDAQ	IOSP	Wed, Sep 7, 2005	8.48	8.63	8.38	8.54
1836	NASDAQ	IOSP	Tue, Sep 6, 2005	8.48	8.57	8.45	8.57
1835	NASDAQ	IOSP	Fri, Sep 2, 2005	8.50	8.53	8.48	8.48
1834	NASDAQ	IOSP	Thu, Sep 1, 2005	8.64	8.64	8.51	8.53
1833	NASDAQ	IOSP	Wed, Aug 31, 2005	8.36	8.62	8.33	8.59
1832	NASDAQ	IOSP	Tue, Aug 30, 2005	8.33	8.33	8.20	8.25
1831	NASDAQ	IOSP	Mon, Aug 29, 2005	8.16	8.37	8.16	8.36
1830	NASDAQ	IOSP	Fri, Aug 26, 2005	8.20	8.23	8.15	8.16
1829	NASDAQ	IOSP	Thu, Aug 25, 2005	8.17	8.24	8.15	8.20
1828	NASDAQ	IOSP	Wed, Aug 24, 2005	8.15	8.30	8.12	8.18
1827	NASDAQ	IOSP	Tue, Aug 23, 2005	8.13	8.22	8.10	8.18
1826	NASDAQ	IOSP	Mon, Aug 22, 2005	8.42	8.43	8.15	8.17
1825	NASDAQ	IOSP	Fri, Aug 19, 2005	8.13	8.35	8.13	8.33
1824	NASDAQ	IOSP	Thu, Aug 18, 2005	8.08	8.18	8.00	8.14
1823	NASDAQ	IOSP	Wed, Aug 17, 2005	8.11	8.17	8.03	8.11
1822	NASDAQ	IOSP	Tue, Aug 16, 2005	8.38	8.38	8.10	8.11
1821	NASDAQ	IOSP	Mon, Aug 15, 2005	8.05	8.40	8.05	8.40
1820	NASDAQ	IOSP	Fri, Aug 12, 2005	8.10	8.18	8.04	8.10
1819	NASDAQ	IOSP	Thu, Aug 11, 2005	8.43	8.43	8.06	8.10
1818	NASDAQ	IOSP	Wed, Aug 10, 2005	8.43	8.52	8.25	8.27
1817	NASDAQ	IOSP	Tue, Aug 9, 2005	8.31	8.42	8.31	8.38
1816	NASDAQ	IOSP	Mon, Aug 8, 2005	8.09	8.28	8.09	8.26
1815	NASDAQ	IOSP	Fri, Aug 5, 2005	8.06	8.16	8.01	8.06
1814	NASDAQ	IOSP	Thu, Aug 4, 2005	8.54	8.54	7.90	8.08
1813	NASDAQ	IOSP	Wed, Aug 3, 2005	8.62	8.76	8.50	8.51
1812	NASDAQ	IOSP	Tue, Aug 2, 2005	8.75	8.80	8.52	8.52
1811	NASDAQ	IOSP	Mon, Aug 1, 2005	8.61	8.76	8.48	8.75
1810	NASDAQ	IOSP	Fri, Jul 29, 2005	8.68	8.70	8.55	8.59
1809	NASDAQ	IOSP	Thu, Jul 28, 2005	8.99	9.00	8.55	8.63
1808	NASDAQ	IOSP	Wed, Jul 27, 2005	8.98	9.04	8.89	9.02
1807	NASDAQ	IOSP	Tue, Jul 26, 2005	8.75	9.02	8.50	9.02
1806	NASDAQ	IOSP	Mon, Jul 25, 2005	9.17	9.22	9.05	9.05
1805	NASDAQ	IOSP	Fri, Jul 22, 2005	8.93	9.28	8.80	9.20
1804	NASDAQ	IOSP	Thu, Jul 21, 2005	9.23	9.23	8.96	8.96
1803	NASDAQ	IOSP	Wed, Jul 20, 2005	9.15	9.28	9.15	9.22
1802	NASDAQ	IOSP	Tue, Jul 19, 2005	9.20	9.25	9.15	9.20
1801	NASDAQ	IOSP	Mon, Jul 18, 2005	9.11	9.28	8.97	9.23
1800	NASDAQ	IOSP	Fri, Jul 15, 2005	9.14	9.18	9.03	9.11
1799	NASDAQ	IOSP	Thu, Jul 14, 2005	9.30	9.43	9.18	9.18
1798	NASDAQ	IOSP	Wed, Jul 13, 2005	9.40	9.40	9.33	9.35
1797	NASDAQ	IOSP	Tue, Jul 12, 2005	9.40	9.50	9.28	9.44
1796	NASDAQ	IOSP	Mon, Jul 11, 2005	9.20	9.48	9.18	9.43
1795	NASDAQ	IOSP	Fri, Jul 8, 2005	9.02	9.23	9.00	9.23
1794	NASDAQ	IOSP	Thu, Jul 7, 2005	8.85	9.10	8.83	9.03
1793	NASDAQ	IOSP	Wed, Jul 6, 2005	9.05	9.08	8.95	8.95
1792	NASDAQ	IOSP	Tue, Jul 5, 2005	8.95	9.05	8.85	9.03
1791	NASDAQ	IOSP	Fri, Jul 1, 2005	9.03	9.03	8.94	8.95
1790	NASDAQ	IOSP	Thu, Jun 30, 2005	9.05	9.06	8.98	9.00
1789	NASDAQ	IOSP	Wed, Jun 29, 2005	9.10	9.10	9.03	9.07
1788	NASDAQ	IOSP	Tue, Jun 28, 2005	9.01	9.28	9.01	9.28
1787	NASDAQ	IOSP	Mon, Jun 27, 2005	8.94	9.06	8.92	9.01
1786	NASDAQ	IOSP	Fri, Jun 24, 2005	9.13	9.15	8.92	9.06
1785	NASDAQ	IOSP	Thu, Jun 23, 2005	9.38	9.45	9.17	9.17
1784	NASDAQ	IOSP	Wed, Jun 22, 2005	9.51	9.55	9.28	9.41
1783	NASDAQ	IOSP	Tue, Jun 21, 2005	9.52	9.60	9.44	9.48
1782	NASDAQ	IOSP	Mon, Jun 20, 2005	9.44	9.57	9.41	9.47
1781	NASDAQ	IOSP	Fri, Jun 17, 2005	9.52	9.59	9.46	9.46
1780	NASDAQ	IOSP	Thu, Jun 16, 2005	9.37	9.44	9.32	9.43
1779	NASDAQ	IOSP	Wed, Jun 15, 2005	9.23	9.40	9.23	9.40
1778	NASDAQ	IOSP	Tue, Jun 14, 2005	9.28	9.33	9.20	9.20
1777	NASDAQ	IOSP	Mon, Jun 13, 2005	9.14	9.25	9.13	9.24
1776	NASDAQ	IOSP	Fri, Jun 10, 2005	9.03	9.23	9.00	9.17
1775	NASDAQ	IOSP	Thu, Jun 9, 2005	9.06	9.10	8.97	9.07
1774	NASDAQ	IOSP	Wed, Jun 8, 2005	8.99	9.23	8.99	9.10
1773	NASDAQ	IOSP	Tue, Jun 7, 2005	9.15	9.24	8.96	8.96
1772	NASDAQ	IOSP	Mon, Jun 6, 2005	9.05	9.21	9.05	9.15
1771	NASDAQ	IOSP	Fri, Jun 3, 2005	9.19	9.19	9.01	9.01
1770	NASDAQ	IOSP	Thu, Jun 2, 2005	9.34	9.35	9.13	9.22
1769	NASDAQ	IOSP	Wed, Jun 1, 2005	9.07	9.32	9.07	9.30
1768	NASDAQ	IOSP	Tue, May 31, 2005	9.08	9.10	9.03	9.03
1767	NASDAQ	IOSP	Fri, May 27, 2005	8.83	9.06	8.75	9.03
1766	NASDAQ	IOSP	Thu, May 26, 2005	8.51	8.95	8.51	8.88
1765	NASDAQ	IOSP	Wed, May 25, 2005	8.40	8.62	8.00	8.52
1764	NASDAQ	IOSP	Tue, May 24, 2005	9.74	9.96	9.71	9.89
1763	NASDAQ	IOSP	Mon, May 23, 2005	9.63	9.78	9.61	9.70
1762	NASDAQ	IOSP	Fri, May 20, 2005	9.70	9.70	9.62	9.63
1761	NASDAQ	IOSP	Thu, May 19, 2005	9.63	9.70	9.55	9.68
1760	NASDAQ	IOSP	Wed, May 18, 2005	9.65	9.69	9.56	9.63
1759	NASDAQ	IOSP	Tue, May 17, 2005	9.76	9.77	9.38	9.63
1758	NASDAQ	IOSP	Mon, May 16, 2005	9.48	9.75	9.43	9.73
1757	NASDAQ	IOSP	Fri, May 13, 2005	9.54	9.54	9.28	9.41
1756	NASDAQ	IOSP	Thu, May 12, 2005	9.58	9.73	9.44	9.50
1755	NASDAQ	IOSP	Wed, May 11, 2005	9.32	9.65	9.24	9.64
1754	NASDAQ	IOSP	Tue, May 10, 2005	9.77	9.77	9.20	9.39
1753	NASDAQ	IOSP	Mon, May 9, 2005	9.48	9.89	9.45	9.79
1752	NASDAQ	IOSP	Fri, May 6, 2005	9.45	9.55	9.42	9.51
1751	NASDAQ	IOSP	Thu, May 5, 2005	9.38	9.48	9.25	9.40
1750	NASDAQ	IOSP	Wed, May 4, 2005	9.20	9.45	9.20	9.41
1749	NASDAQ	IOSP	Tue, May 3, 2005	8.69	9.25	8.69	9.15
1748	NASDAQ	IOSP	Mon, May 2, 2005	8.59	8.74	8.56	8.66
1747	NASDAQ	IOSP	Fri, Apr 29, 2005	8.92	9.11	8.43	8.60
1746	NASDAQ	IOSP	Thu, Apr 28, 2005	8.12	9.03	8.12	8.87
1745	NASDAQ	IOSP	Wed, Apr 27, 2005	8.45	8.47	8.01	8.12
1744	NASDAQ	IOSP	Tue, Apr 26, 2005	8.15	8.53	7.95	8.53
1743	NASDAQ	IOSP	Mon, Apr 25, 2005	7.90	7.93	7.68	7.72
1742	NASDAQ	IOSP	Fri, Apr 22, 2005	8.15	8.15	7.40	7.86
1741	NASDAQ	IOSP	Thu, Apr 21, 2005	7.86	8.30	7.86	8.20
1740	NASDAQ	IOSP	Wed, Apr 20, 2005	8.14	8.16	7.80	7.80
1739	NASDAQ	IOSP	Tue, Apr 19, 2005	8.35	8.43	8.09	8.14
1738	NASDAQ	IOSP	Mon, Apr 18, 2005	8.20	8.45	8.20	8.37
1737	NASDAQ	IOSP	Fri, Apr 15, 2005	8.58	8.59	8.18	8.23
1736	NASDAQ	IOSP	Thu, Apr 14, 2005	8.58	8.69	8.51	8.58
1735	NASDAQ	IOSP	Wed, Apr 13, 2005	8.59	8.66	8.51	8.58
1734	NASDAQ	IOSP	Tue, Apr 12, 2005	8.50	8.65	8.33	8.60
1733	NASDAQ	IOSP	Mon, Apr 11, 2005	8.58	8.68	8.23	8.58
1732	NASDAQ	IOSP	Fri, Apr 8, 2005	9.15	9.15	8.47	8.61
1731	NASDAQ	IOSP	Thu, Apr 7, 2005	9.18	9.18	8.99	9.09
1730	NASDAQ	IOSP	Wed, Apr 6, 2005	9.55	9.55	9.07	9.10
1729	NASDAQ	IOSP	Tue, Apr 5, 2005	9.10	9.55	9.10	9.45
1728	NASDAQ	IOSP	Mon, Apr 4, 2005	9.40	9.40	9.03	9.06
1727	NASDAQ	IOSP	Fri, Apr 1, 2005	9.34	9.47	9.10	9.37
1726	NASDAQ	IOSP	Thu, Mar 31, 2005	9.08	9.31	9.03	9.27
1725	NASDAQ	IOSP	Wed, Mar 30, 2005	8.94	9.13	8.94	9.05
1724	NASDAQ	IOSP	Tue, Mar 29, 2005	9.40	9.40	8.95	8.95
1723	NASDAQ	IOSP	Mon, Mar 28, 2005	9.18	9.40	9.16	9.40
1722	NASDAQ	IOSP	Thu, Mar 24, 2005	9.18	9.25	9.16	9.20
1721	NASDAQ	IOSP	Wed, Mar 23, 2005	9.15	9.22	9.12	9.18
1720	NASDAQ	IOSP	Tue, Mar 22, 2005	9.23	9.35	9.08	9.18
1719	NASDAQ	IOSP	Mon, Mar 21, 2005	9.30	9.35	9.23	9.25
1718	NASDAQ	IOSP	Fri, Mar 18, 2005	9.63	9.65	9.25	9.30
1717	NASDAQ	IOSP	Thu, Mar 17, 2005	9.23	9.58	9.17	9.48
1716	NASDAQ	IOSP	Wed, Mar 16, 2005	9.33	9.33	9.15	9.20
1715	NASDAQ	IOSP	Tue, Mar 15, 2005	9.29	9.41	9.25	9.35
1714	NASDAQ	IOSP	Mon, Mar 14, 2005	9.37	9.45	9.23	9.29
1713	NASDAQ	IOSP	Fri, Mar 11, 2005	9.50	9.58	9.31	9.37
1712	NASDAQ	IOSP	Thu, Mar 10, 2005	9.55	9.61	9.38	9.45
1711	NASDAQ	IOSP	Wed, Mar 9, 2005	9.70	9.70	9.42	9.58
1710	NASDAQ	IOSP	Tue, Mar 8, 2005	9.80	9.83	9.63	9.72
1709	NASDAQ	IOSP	Mon, Mar 7, 2005	9.98	9.99	9.78	9.80
1708	NASDAQ	IOSP	Fri, Mar 4, 2005	9.65	10.05	9.65	9.98
1707	NASDAQ	IOSP	Thu, Mar 3, 2005	9.59	9.65	9.55	9.61
1706	NASDAQ	IOSP	Wed, Mar 2, 2005	9.65	9.66	9.53	9.58
1705	NASDAQ	IOSP	Tue, Mar 1, 2005	9.74	9.89	9.72	9.73
1704	NASDAQ	IOSP	Mon, Feb 28, 2005	10.02	10.02	9.61	9.74
1703	NASDAQ	IOSP	Fri, Feb 25, 2005	9.45	10.02	9.44	10.00
1702	NASDAQ	IOSP	Thu, Feb 24, 2005	9.23	9.44	9.17	9.36
1701	NASDAQ	IOSP	Wed, Feb 23, 2005	9.00	9.31	9.00	9.27
1700	NASDAQ	IOSP	Tue, Feb 22, 2005	9.51	9.51	8.92	9.00
1699	NASDAQ	IOSP	Fri, Feb 18, 2005	9.26	9.64	9.20	9.51
1698	NASDAQ	IOSP	Thu, Feb 17, 2005	9.07	9.31	9.01	9.24
1697	NASDAQ	IOSP	Wed, Feb 16, 2005	9.11	9.18	9.03	9.07
1696	NASDAQ	IOSP	Tue, Feb 15, 2005	9.35	9.41	9.05	9.15
1695	NASDAQ	IOSP	Mon, Feb 14, 2005	9.55	9.58	9.31	9.31
1694	NASDAQ	IOSP	Fri, Feb 11, 2005	9.51	9.59	9.37	9.55
1693	NASDAQ	IOSP	Thu, Feb 10, 2005	9.82	9.85	9.55	9.56
1692	NASDAQ	IOSP	Wed, Feb 9, 2005	9.80	9.95	9.78	9.89
1691	NASDAQ	IOSP	Tue, Feb 8, 2005	9.98	9.98	9.73	9.80
1690	NASDAQ	IOSP	Mon, Feb 7, 2005	9.95	10.05	9.95	9.98
1689	NASDAQ	IOSP	Fri, Feb 4, 2005	10.10	10.17	9.85	10.00
1688	NASDAQ	IOSP	Thu, Feb 3, 2005	10.00	10.12	9.93	10.09
1687	NASDAQ	IOSP	Wed, Feb 2, 2005	10.18	10.18	9.96	10.05
1686	NASDAQ	IOSP	Tue, Feb 1, 2005	10.28	10.28	10.06	10.21
1685	NASDAQ	IOSP	Mon, Jan 31, 2005	10.13	10.32	10.13	10.24
1684	NASDAQ	IOSP	Fri, Jan 28, 2005	9.94	10.10	9.94	10.08
1683	NASDAQ	IOSP	Thu, Jan 27, 2005	10.06	10.09	9.93	9.97
1682	NASDAQ	IOSP	Wed, Jan 26, 2005	9.85	10.05	9.81	10.04
1681	NASDAQ	IOSP	Tue, Jan 25, 2005	9.88	9.90	9.81	9.82
1680	NASDAQ	IOSP	Mon, Jan 24, 2005	10.00	10.00	9.85	9.85
1679	NASDAQ	IOSP	Fri, Jan 21, 2005	10.08	10.08	9.91	10.00
1678	NASDAQ	IOSP	Thu, Jan 20, 2005	10.05	10.05	9.80	10.00
1677	NASDAQ	IOSP	Wed, Jan 19, 2005	10.25	10.27	10.01	10.07
1676	NASDAQ	IOSP	Tue, Jan 18, 2005	10.00	10.06	9.98	10.00
1675	NASDAQ	IOSP	Fri, Jan 14, 2005	10.08	10.10	9.50	9.82
1674	NASDAQ	IOSP	Thu, Jan 13, 2005	9.95	10.14	9.84	10.01
1673	NASDAQ	IOSP	Wed, Jan 12, 2005	9.83	10.00	9.75	9.95
1672	NASDAQ	IOSP	Tue, Jan 11, 2005	9.90	9.97	9.80	9.86
1671	NASDAQ	IOSP	Mon, Jan 10, 2005	9.90	9.98	9.88	9.90
1670	NASDAQ	IOSP	Fri, Jan 7, 2005	10.30	10.48	9.90	9.93
1669	NASDAQ	IOSP	Thu, Jan 6, 2005	9.95	10.43	9.95	10.25
1668	NASDAQ	IOSP	Wed, Jan 5, 2005	10.00	10.12	9.90	9.90
1667	NASDAQ	IOSP	Tue, Jan 4, 2005	10.35	10.45	9.90	10.04
1666	NASDAQ	IOSP	Mon, Jan 3, 2005	10.50	10.74	10.25	10.30
1665	NASDAQ	IOSP	Fri, Dec 31, 2004	10.52	10.75	10.35	10.41
1664	NASDAQ	IOSP	Thu, Dec 30, 2004	10.67	10.80	10.47	10.50
1663	NASDAQ	IOSP	Wed, Dec 29, 2004	10.80	10.80	10.63	10.67
1662	NASDAQ	IOSP	Tue, Dec 28, 2004	10.53	10.88	10.53	10.86
1661	NASDAQ	IOSP	Mon, Dec 27, 2004	10.55	10.70	10.50	10.53
1660	NASDAQ	IOSP	Thu, Dec 23, 2004	10.30	10.51	10.30	10.47
1659	NASDAQ	IOSP	Wed, Dec 22, 2004	10.23	10.51	10.12	10.35
1658	NASDAQ	IOSP	Tue, Dec 21, 2004	9.98	10.44	9.98	10.28
1657	NASDAQ	IOSP	Mon, Dec 20, 2004	9.98	10.05	9.81	9.98
1656	NASDAQ	IOSP	Fri, Dec 17, 2004	10.30	10.33	9.95	9.98
1655	NASDAQ	IOSP	Thu, Dec 16, 2004	10.65	10.65	10.20	10.33
1654	NASDAQ	IOSP	Wed, Dec 15, 2004	9.71	10.60	9.71	10.52
1653	NASDAQ	IOSP	Tue, Dec 14, 2004	9.95	10.04	9.65	9.72
1652	NASDAQ	IOSP	Mon, Dec 13, 2004	10.05	10.05	9.84	9.92
1651	NASDAQ	IOSP	Fri, Dec 10, 2004	9.63	10.08	9.63	10.05
1650	NASDAQ	IOSP	Thu, Dec 9, 2004	10.10	10.10	9.60	9.62
1649	NASDAQ	IOSP	Wed, Dec 8, 2004	9.78	10.08	9.74	10.08
1648	NASDAQ	IOSP	Tue, Dec 7, 2004	10.29	10.29	9.75	9.78
1647	NASDAQ	IOSP	Mon, Dec 6, 2004	11.00	11.01	10.20	10.29
1646	NASDAQ	IOSP	Fri, Dec 3, 2004	11.15	11.30	10.97	11.05
1645	NASDAQ	IOSP	Thu, Dec 2, 2004	11.78	11.78	11.12	11.20
1644	NASDAQ	IOSP	Wed, Dec 1, 2004	11.08	11.93	11.07	11.91
1643	NASDAQ	IOSP	Tue, Nov 30, 2004	11.38	11.43	11.00	11.03
1642	NASDAQ	IOSP	Mon, Nov 29, 2004	10.68	11.54	10.62	11.34
1641	NASDAQ	IOSP	Fri, Nov 26, 2004	10.43	10.63	10.43	10.61
1640	NASDAQ	IOSP	Wed, Nov 24, 2004	10.23	10.46	10.19	10.38
1639	NASDAQ	IOSP	Tue, Nov 23, 2004	9.90	10.20	9.90	10.20
1638	NASDAQ	IOSP	Mon, Nov 22, 2004	9.88	10.00	9.85	9.89
1637	NASDAQ	IOSP	Fri, Nov 19, 2004	9.83	9.95	9.68	9.95
1636	NASDAQ	IOSP	Thu, Nov 18, 2004	9.95	9.98	9.68	9.83
1635	NASDAQ	IOSP	Wed, Nov 17, 2004	9.80	10.00	9.80	9.97
1634	NASDAQ	IOSP	Tue, Nov 16, 2004	9.95	10.00	9.80	9.81
1633	NASDAQ	IOSP	Mon, Nov 15, 2004	10.00	10.05	9.95	10.00
1632	NASDAQ	IOSP	Fri, Nov 12, 2004	10.10	10.10	10.00	10.04
1631	NASDAQ	IOSP	Thu, Nov 11, 2004	10.04	10.10	9.98	10.08
1630	NASDAQ	IOSP	Wed, Nov 10, 2004	10.04	10.12	9.90	10.03
1629	NASDAQ	IOSP	Tue, Nov 9, 2004	9.74	10.10	9.68	10.09
1628	NASDAQ	IOSP	Mon, Nov 8, 2004	9.63	9.80	9.58	9.79
1627	NASDAQ	IOSP	Fri, Nov 5, 2004	9.80	9.88	9.66	9.73
1626	NASDAQ	IOSP	Thu, Nov 4, 2004	9.95	10.11	9.82	9.88
1625	NASDAQ	IOSP	Wed, Nov 3, 2004	9.69	10.05	9.69	9.93
1624	NASDAQ	IOSP	Tue, Nov 2, 2004	9.53	9.93	9.53	9.70
1623	NASDAQ	IOSP	Mon, Nov 1, 2004	9.56	9.65	9.52	9.55
1622	NASDAQ	IOSP	Fri, Oct 29, 2004	9.68	9.79	9.51	9.65
1621	NASDAQ	IOSP	Thu, Oct 28, 2004	9.73	9.79	9.53	9.65
1620	NASDAQ	IOSP	Wed, Oct 27, 2004	9.53	9.88	9.53	9.75
1619	NASDAQ	IOSP	Tue, Oct 26, 2004	9.48	9.75	9.45	9.50
1618	NASDAQ	IOSP	Mon, Oct 25, 2004	9.70	9.78	9.31	9.35
1617	NASDAQ	IOSP	Fri, Oct 22, 2004	9.91	10.05	9.80	9.80
1616	NASDAQ	IOSP	Thu, Oct 21, 2004	9.90	10.01	9.84	9.90
1615	NASDAQ	IOSP	Wed, Oct 20, 2004	10.00	10.02	9.88	9.95
1614	NASDAQ	IOSP	Tue, Oct 19, 2004	10.20	10.29	10.01	10.03
1613	NASDAQ	IOSP	Mon, Oct 18, 2004	10.37	10.37	10.15	10.15
1612	NASDAQ	IOSP	Fri, Oct 15, 2004	10.11	10.39	10.11	10.33
1611	NASDAQ	IOSP	Thu, Oct 14, 2004	10.30	10.40	10.03	10.10
1610	NASDAQ	IOSP	Wed, Oct 13, 2004	10.33	10.52	10.28	10.30
1609	NASDAQ	IOSP	Tue, Oct 12, 2004	10.15	10.38	10.10	10.33
1608	NASDAQ	IOSP	Mon, Oct 11, 2004	10.55	10.56	10.08	10.15
1607	NASDAQ	IOSP	Fri, Oct 8, 2004	11.00	11.10	10.52	10.62
1606	NASDAQ	IOSP	Thu, Oct 7, 2004	11.38	11.40	10.93	10.93
1605	NASDAQ	IOSP	Wed, Oct 6, 2004	11.30	11.63	11.30	11.35
1604	NASDAQ	IOSP	Tue, Oct 5, 2004	11.28	11.58	11.28	11.37
1603	NASDAQ	IOSP	Mon, Oct 4, 2004	11.20	11.44	11.13	11.31
1602	NASDAQ	IOSP	Fri, Oct 1, 2004	10.65	11.23	10.65	11.22
1601	NASDAQ	IOSP	Thu, Sep 30, 2004	11.05	11.15	10.58	10.62
1600	NASDAQ	IOSP	Wed, Sep 29, 2004	11.01	11.17	11.01	11.11
1599	NASDAQ	IOSP	Tue, Sep 28, 2004	11.30	11.42	11.06	11.06
1598	NASDAQ	IOSP	Mon, Sep 27, 2004	11.30	11.30	11.07	11.16
1597	NASDAQ	IOSP	Fri, Sep 24, 2004	11.09	11.39	11.06	11.33
1596	NASDAQ	IOSP	Thu, Sep 23, 2004	11.10	11.28	11.08	11.21
1595	NASDAQ	IOSP	Wed, Sep 22, 2004	11.57	11.57	10.96	11.05
1594	NASDAQ	IOSP	Tue, Sep 21, 2004	11.35	11.61	11.35	11.58
1593	NASDAQ	IOSP	Mon, Sep 20, 2004	11.16	11.40	11.16	11.37
1592	NASDAQ	IOSP	Fri, Sep 17, 2004	11.65	11.65	10.90	11.15
1591	NASDAQ	IOSP	Thu, Sep 16, 2004	11.60	11.78	11.38	11.58
1590	NASDAQ	IOSP	Wed, Sep 15, 2004	11.70	11.75	11.46	11.57
1589	NASDAQ	IOSP	Tue, Sep 14, 2004	11.70	11.78	11.63	11.75
1588	NASDAQ	IOSP	Mon, Sep 13, 2004	12.18	12.18	11.76	11.82
1587	NASDAQ	IOSP	Fri, Sep 10, 2004	11.85	12.19	11.85	12.18
1586	NASDAQ	IOSP	Thu, Sep 9, 2004	11.98	12.00	11.90	11.99
1585	NASDAQ	IOSP	Wed, Sep 8, 2004	11.88	12.00	11.88	11.91
1584	NASDAQ	IOSP	Tue, Sep 7, 2004	11.65	11.95	11.65	11.85
1583	NASDAQ	IOSP	Fri, Sep 3, 2004	11.35	11.73	11.34	11.65
1582	NASDAQ	IOSP	Thu, Sep 2, 2004	11.20	11.33	11.03	11.30
1581	NASDAQ	IOSP	Wed, Sep 1, 2004	11.11	11.50	11.11	11.23
1580	NASDAQ	IOSP	Tue, Aug 31, 2004	11.11	11.23	11.08	11.08
1579	NASDAQ	IOSP	Mon, Aug 30, 2004	11.06	11.10	10.90	11.05
1578	NASDAQ	IOSP	Fri, Aug 27, 2004	11.18	11.24	11.01	11.08
1577	NASDAQ	IOSP	Thu, Aug 26, 2004	11.10	11.29	11.10	11.14
1576	NASDAQ	IOSP	Wed, Aug 25, 2004	11.43	11.43	11.13	11.13
1575	NASDAQ	IOSP	Tue, Aug 24, 2004	11.33	11.50	11.30	11.38
1574	NASDAQ	IOSP	Mon, Aug 23, 2004	11.28	11.48	11.28	11.28
1573	NASDAQ	IOSP	Fri, Aug 20, 2004	11.65	11.83	11.05	11.28
1572	NASDAQ	IOSP	Thu, Aug 19, 2004	11.67	11.70	11.53	11.57
1571	NASDAQ	IOSP	Wed, Aug 18, 2004	11.63	11.88	11.63	11.73
1570	NASDAQ	IOSP	Tue, Aug 17, 2004	11.75	12.05	11.55	11.66
1569	NASDAQ	IOSP	Mon, Aug 16, 2004	11.21	11.73	11.21	11.69
1568	NASDAQ	IOSP	Fri, Aug 13, 2004	11.45	11.60	11.22	11.23
1567	NASDAQ	IOSP	Thu, Aug 12, 2004	11.40	11.55	11.40	11.40
1566	NASDAQ	IOSP	Wed, Aug 11, 2004	11.50	11.50	11.28	11.39
1565	NASDAQ	IOSP	Tue, Aug 10, 2004	11.25	11.55	11.23	11.52
1564	NASDAQ	IOSP	Mon, Aug 9, 2004	11.43	11.52	11.08	11.20
1563	NASDAQ	IOSP	Fri, Aug 6, 2004	11.75	11.81	11.41	11.41
1562	NASDAQ	IOSP	Thu, Aug 5, 2004	12.25	12.70	11.86	11.86
1561	NASDAQ	IOSP	Wed, Aug 4, 2004	12.33	12.37	11.88	12.28
1560	NASDAQ	IOSP	Tue, Aug 3, 2004	12.80	12.95	12.36	12.42
1559	NASDAQ	IOSP	Mon, Aug 2, 2004	12.88	12.95	12.56	12.88
1558	NASDAQ	IOSP	Fri, Jul 30, 2004	12.93	12.96	12.76	12.91
1557	NASDAQ	IOSP	Thu, Jul 29, 2004	12.95	13.00	12.75	12.89
1556	NASDAQ	IOSP	Wed, Jul 28, 2004	12.48	13.05	12.48	12.94
1555	NASDAQ	IOSP	Tue, Jul 27, 2004	12.13	12.80	12.13	12.57
1554	NASDAQ	IOSP	Mon, Jul 26, 2004	11.80	11.80	11.35	11.47
1553	NASDAQ	IOSP	Fri, Jul 23, 2004	11.91	12.01	11.80	11.80
1552	NASDAQ	IOSP	Thu, Jul 22, 2004	12.30	12.30	11.86	11.95
1551	NASDAQ	IOSP	Wed, Jul 21, 2004	12.70	12.78	12.34	12.34
1550	NASDAQ	IOSP	Tue, Jul 20, 2004	12.63	12.70	12.53	12.70
1549	NASDAQ	IOSP	Mon, Jul 19, 2004	12.68	12.68	12.60	12.60
1548	NASDAQ	IOSP	Fri, Jul 16, 2004	12.90	12.95	12.60	12.71
1547	NASDAQ	IOSP	Thu, Jul 15, 2004	12.66	12.87	12.66	12.87
1546	NASDAQ	IOSP	Wed, Jul 14, 2004	12.53	12.75	12.48	12.63
1545	NASDAQ	IOSP	Tue, Jul 13, 2004	12.37	12.70	12.36	12.58
1544	NASDAQ	IOSP	Mon, Jul 12, 2004	12.43	12.46	12.32	12.44
1543	NASDAQ	IOSP	Fri, Jul 9, 2004	12.54	12.57	12.31	12.48
1542	NASDAQ	IOSP	Thu, Jul 8, 2004	12.78	12.81	12.48	12.50
1541	NASDAQ	IOSP	Wed, Jul 7, 2004	12.69	12.96	12.69	12.88
1540	NASDAQ	IOSP	Tue, Jul 6, 2004	13.24	13.24	12.72	12.72
1539	NASDAQ	IOSP	Fri, Jul 2, 2004	13.20	13.50	13.20	13.34
1538	NASDAQ	IOSP	Thu, Jul 1, 2004	13.20	13.23	13.03	13.20
1537	NASDAQ	IOSP	Wed, Jun 30, 2004	12.70	13.26	12.65	13.17
1536	NASDAQ	IOSP	Tue, Jun 29, 2004	12.98	13.13	12.51	12.65
1535	NASDAQ	IOSP	Mon, Jun 28, 2004	13.45	13.50	12.80	12.90
1534	NASDAQ	IOSP	Fri, Jun 25, 2004	13.93	13.99	13.50	13.50
1533	NASDAQ	IOSP	Thu, Jun 24, 2004	13.70	14.00	13.65	13.94
1532	NASDAQ	IOSP	Wed, Jun 23, 2004	13.00	13.80	13.00	13.75
1531	NASDAQ	IOSP	Tue, Jun 22, 2004	12.39	12.95	12.39	12.90
1530	NASDAQ	IOSP	Mon, Jun 21, 2004	12.45	12.45	12.30	12.41
1529	NASDAQ	IOSP	Fri, Jun 18, 2004	12.14	12.25	12.11	12.24
1528	NASDAQ	IOSP	Thu, Jun 17, 2004	12.19	12.19	11.97	12.10
1527	NASDAQ	IOSP	Wed, Jun 16, 2004	11.79	12.21	11.74	12.21
1526	NASDAQ	IOSP	Tue, Jun 15, 2004	11.28	11.80	11.28	11.78
1525	NASDAQ	IOSP	Mon, Jun 14, 2004	11.15	11.40	11.15	11.23
1524	NASDAQ	IOSP	Thu, Jun 10, 2004	11.18	11.19	11.00	11.19
1523	NASDAQ	IOSP	Wed, Jun 9, 2004	11.13	11.21	11.00	11.13
1522	NASDAQ	IOSP	Tue, Jun 8, 2004	11.18	11.18	10.96	11.13
1521	NASDAQ	IOSP	Mon, Jun 7, 2004	11.05	11.13	10.91	11.10
1520	NASDAQ	IOSP	Fri, Jun 4, 2004	10.70	11.05	10.66	11.05
1519	NASDAQ	IOSP	Thu, Jun 3, 2004	11.00	11.00	10.60	10.65
1518	NASDAQ	IOSP	Wed, Jun 2, 2004	11.10	11.15	10.91	11.08
1517	NASDAQ	IOSP	Tue, Jun 1, 2004	10.86	11.06	10.65	11.05
1516	NASDAQ	IOSP	Fri, May 28, 2004	11.05	11.13	10.90	10.90
1515	NASDAQ	IOSP	Thu, May 27, 2004	10.95	11.20	10.93	11.06
1514	NASDAQ	IOSP	Wed, May 26, 2004	10.78	10.95	10.52	10.95
1513	NASDAQ	IOSP	Tue, May 25, 2004	10.49	10.88	10.49	10.73
1512	NASDAQ	IOSP	Mon, May 24, 2004	10.60	10.74	10.37	10.45
1511	NASDAQ	IOSP	Fri, May 21, 2004	10.37	11.00	10.37	10.60
1510	NASDAQ	IOSP	Thu, May 20, 2004	10.75	10.79	10.03	10.32
1509	NASDAQ	IOSP	Wed, May 19, 2004	11.18	11.25	10.60	10.75
1508	NASDAQ	IOSP	Tue, May 18, 2004	10.60	11.13	10.60	11.13
1507	NASDAQ	IOSP	Mon, May 17, 2004	11.00	11.10	10.53	10.55
1506	NASDAQ	IOSP	Fri, May 14, 2004	11.10	11.19	10.88	11.04
1505	NASDAQ	IOSP	Thu, May 13, 2004	11.33	11.41	11.07	11.10
1504	NASDAQ	IOSP	Wed, May 12, 2004	11.38	11.38	11.05	11.33
1503	NASDAQ	IOSP	Tue, May 11, 2004	11.03	11.57	11.03	11.50
1502	NASDAQ	IOSP	Mon, May 10, 2004	11.55	11.55	11.03	11.03
1501	NASDAQ	IOSP	Fri, May 7, 2004	11.88	11.91	11.56	11.67
1500	NASDAQ	IOSP	Thu, May 6, 2004	11.90	11.92	11.78	11.90
1499	NASDAQ	IOSP	Wed, May 5, 2004	12.13	12.20	11.93	11.93
1498	NASDAQ	IOSP	Tue, May 4, 2004	12.36	12.58	12.05	12.13
1497	NASDAQ	IOSP	Mon, May 3, 2004	11.55	12.32	11.49	12.31
1496	NASDAQ	IOSP	Fri, Apr 30, 2004	11.48	11.78	11.28	11.65
1495	NASDAQ	IOSP	Thu, Apr 29, 2004	11.93	11.93	11.40	11.55
1494	NASDAQ	IOSP	Wed, Apr 28, 2004	13.03	13.03	11.68	11.93
1493	NASDAQ	IOSP	Tue, Apr 27, 2004	14.50	14.51	12.85	13.15
1492	NASDAQ	IOSP	Mon, Apr 26, 2004	15.51	15.54	14.99	14.99
1491	NASDAQ	IOSP	Fri, Apr 23, 2004	15.55	15.65	15.45	15.52
1490	NASDAQ	IOSP	Thu, Apr 22, 2004	15.35	15.60	15.35	15.56
1489	NASDAQ	IOSP	Wed, Apr 21, 2004	15.60	15.65	15.25	15.51
1488	NASDAQ	IOSP	Tue, Apr 20, 2004	15.88	15.94	15.54	15.55
1487	NASDAQ	IOSP	Mon, Apr 19, 2004	15.98	16.00	15.75	15.78
1486	NASDAQ	IOSP	Fri, Apr 16, 2004	15.55	15.94	15.55	15.88
1485	NASDAQ	IOSP	Thu, Apr 15, 2004	15.53	15.66	15.47	15.55
1484	NASDAQ	IOSP	Wed, Apr 14, 2004	15.38	15.55	15.30	15.53
1483	NASDAQ	IOSP	Tue, Apr 13, 2004	15.50	15.52	15.30	15.38
1482	NASDAQ	IOSP	Mon, Apr 12, 2004	15.50	15.55	15.43	15.52
1481	NASDAQ	IOSP	Thu, Apr 8, 2004	15.40	15.55	15.40	15.41
1480	NASDAQ	IOSP	Wed, Apr 7, 2004	15.06	15.39	15.04	15.39
1479	NASDAQ	IOSP	Tue, Apr 6, 2004	14.96	15.10	14.85	15.08
1478	NASDAQ	IOSP	Mon, Apr 5, 2004	15.00	15.07	14.78	15.06
1477	NASDAQ	IOSP	Fri, Apr 2, 2004	14.93	15.05	14.93	15.03
1476	NASDAQ	IOSP	Thu, Apr 1, 2004	14.92	15.03	14.83	14.93
1475	NASDAQ	IOSP	Wed, Mar 31, 2004	14.97	14.97	14.75	14.93
1474	NASDAQ	IOSP	Tue, Mar 30, 2004	15.00	15.03	14.93	14.98
1473	NASDAQ	IOSP	Mon, Mar 29, 2004	14.78	15.00	14.76	14.99
1472	NASDAQ	IOSP	Fri, Mar 26, 2004	14.48	14.73	14.45	14.66
1471	NASDAQ	IOSP	Thu, Mar 25, 2004	14.40	14.51	14.32	14.40
1470	NASDAQ	IOSP	Wed, Mar 24, 2004	14.38	14.47	14.32	14.38
1469	NASDAQ	IOSP	Tue, Mar 23, 2004	14.40	14.44	14.33	14.37
1468	NASDAQ	IOSP	Mon, Mar 22, 2004	14.15	14.40	14.07	14.36
1467	NASDAQ	IOSP	Fri, Mar 19, 2004	14.32	14.32	14.16	14.21
1466	NASDAQ	IOSP	Thu, Mar 18, 2004	14.08	14.35	14.02	14.25
1465	NASDAQ	IOSP	Wed, Mar 17, 2004	13.55	14.03	13.55	14.01
1464	NASDAQ	IOSP	Tue, Mar 16, 2004	13.38	13.55	13.38	13.48
1463	NASDAQ	IOSP	Mon, Mar 15, 2004	13.50	13.50	13.20	13.42
1462	NASDAQ	IOSP	Fri, Mar 12, 2004	13.78	13.79	13.40	13.50
1461	NASDAQ	IOSP	Thu, Mar 11, 2004	14.08	14.10	13.68	13.85
1460	NASDAQ	IOSP	Wed, Mar 10, 2004	14.47	14.48	14.13	14.13
1459	NASDAQ	IOSP	Tue, Mar 9, 2004	14.50	14.58	14.40	14.45
1458	NASDAQ	IOSP	Mon, Mar 8, 2004	14.48	14.55	14.48	14.52
1457	NASDAQ	IOSP	Fri, Mar 5, 2004	14.35	14.60	14.35	14.45
1456	NASDAQ	IOSP	Thu, Mar 4, 2004	14.10	14.39	14.10	14.36
1455	NASDAQ	IOSP	Wed, Mar 3, 2004	14.05	14.30	14.03	14.20
1454	NASDAQ	IOSP	Tue, Mar 2, 2004	13.90	14.15	13.87	14.10
1453	NASDAQ	IOSP	Mon, Mar 1, 2004	13.72	13.90	13.69	13.85
1452	NASDAQ	IOSP	Fri, Feb 27, 2004	13.78	13.79	13.51	13.70
1451	NASDAQ	IOSP	Thu, Feb 26, 2004	13.66	13.78	13.56	13.78
1450	NASDAQ	IOSP	Wed, Feb 25, 2004	13.50	13.68	13.48	13.65
1449	NASDAQ	IOSP	Tue, Feb 24, 2004	13.33	13.50	13.28	13.48
1448	NASDAQ	IOSP	Mon, Feb 23, 2004	13.37	13.43	13.33	13.33
1447	NASDAQ	IOSP	Fri, Feb 20, 2004	13.18	13.45	13.08	13.39
1446	NASDAQ	IOSP	Thu, Feb 19, 2004	13.16	13.30	13.09	13.16
1445	NASDAQ	IOSP	Wed, Feb 18, 2004	12.70	13.18	12.68	13.09
1444	NASDAQ	IOSP	Tue, Feb 17, 2004	12.50	12.85	12.50	12.75
1443	NASDAQ	IOSP	Fri, Feb 13, 2004	12.40	12.75	12.40	12.50
1442	NASDAQ	IOSP	Thu, Feb 12, 2004	12.40	12.50	12.35	12.36
1441	NASDAQ	IOSP	Wed, Feb 11, 2004	12.03	12.46	12.03	12.38
1440	NASDAQ	IOSP	Tue, Feb 10, 2004	11.75	12.23	11.75	12.03
1439	NASDAQ	IOSP	Mon, Feb 9, 2004	11.55	11.78	11.40	11.65
1438	NASDAQ	IOSP	Fri, Feb 6, 2004	11.55	11.65	11.53	11.60
1437	NASDAQ	IOSP	Thu, Feb 5, 2004	11.50	11.53	11.43	11.50
1436	NASDAQ	IOSP	Wed, Feb 4, 2004	11.61	11.61	11.37	11.50
1435	NASDAQ	IOSP	Tue, Feb 3, 2004	11.85	11.85	11.60	11.61
1434	NASDAQ	IOSP	Mon, Feb 2, 2004	11.90	11.98	11.76	11.84
1433	NASDAQ	IOSP	Fri, Jan 30, 2004	12.05	12.13	11.86	11.86
1432	NASDAQ	IOSP	Thu, Jan 29, 2004	11.95	12.08	11.88	12.08
1431	NASDAQ	IOSP	Wed, Jan 28, 2004	11.98	12.08	11.93	11.93
1430	NASDAQ	IOSP	Tue, Jan 27, 2004	12.15	12.15	11.94	11.97
1429	NASDAQ	IOSP	Mon, Jan 26, 2004	12.00	12.12	11.85	12.12
1428	NASDAQ	IOSP	Fri, Jan 23, 2004	12.24	12.30	12.05	12.10
1427	NASDAQ	IOSP	Thu, Jan 22, 2004	12.48	12.50	12.23	12.24
1426	NASDAQ	IOSP	Wed, Jan 21, 2004	12.33	12.50	12.24	12.48
1425	NASDAQ	IOSP	Tue, Jan 20, 2004	12.24	12.36	12.16	12.35
1424	NASDAQ	IOSP	Fri, Jan 16, 2004	12.10	12.27	12.05	12.27
1423	NASDAQ	IOSP	Thu, Jan 15, 2004	12.05	12.18	12.05	12.10
1422	NASDAQ	IOSP	Wed, Jan 14, 2004	11.73	12.09	11.73	12.08
1421	NASDAQ	IOSP	Tue, Jan 13, 2004	11.35	11.70	11.35	11.69
1420	NASDAQ	IOSP	Mon, Jan 12, 2004	11.03	11.30	10.98	11.30
1419	NASDAQ	IOSP	Fri, Jan 9, 2004	11.03	11.10	10.98	10.99
1418	NASDAQ	IOSP	Thu, Jan 8, 2004	11.00	11.12	10.95	11.08
1417	NASDAQ	IOSP	Wed, Jan 7, 2004	11.08	11.10	10.93	11.06
1416	NASDAQ	IOSP	Tue, Jan 6, 2004	10.88	11.22	10.88	11.10
1415	NASDAQ	IOSP	Mon, Jan 5, 2004	10.38	10.83	10.35	10.80
1414	NASDAQ	IOSP	Fri, Jan 2, 2004	9.88	10.38	9.88	10.38
1413	NASDAQ	IOSP	Wed, Dec 31, 2003	10.24	10.24	9.84	9.85
1412	NASDAQ	IOSP	Tue, Dec 30, 2003	10.10	10.23	10.08	10.23
1411	NASDAQ	IOSP	Mon, Dec 29, 2003	10.03	10.18	10.03	10.10
1410	NASDAQ	IOSP	Fri, Dec 26, 2003	9.92	9.95	9.90	9.95
1409	NASDAQ	IOSP	Wed, Dec 24, 2003	9.92	10.00	9.87	9.92
1408	NASDAQ	IOSP	Tue, Dec 23, 2003	9.92	10.13	9.90	9.92
1407	NASDAQ	IOSP	Mon, Dec 22, 2003	9.95	10.00	9.90	9.92
1406	NASDAQ	IOSP	Fri, Dec 19, 2003	9.93	9.95	9.76	9.87
1405	NASDAQ	IOSP	Thu, Dec 18, 2003	9.92	10.05	9.87	9.93
1404	NASDAQ	IOSP	Wed, Dec 17, 2003	9.93	10.00	9.88	9.94
1403	NASDAQ	IOSP	Tue, Dec 16, 2003	9.65	9.90	9.44	9.90
1402	NASDAQ	IOSP	Mon, Dec 15, 2003	9.88	9.90	9.78	9.78
1401	NASDAQ	IOSP	Fri, Dec 12, 2003	9.65	9.85	9.63	9.83
1400	NASDAQ	IOSP	Thu, Dec 11, 2003	9.60	9.73	9.54	9.70
1399	NASDAQ	IOSP	Wed, Dec 10, 2003	9.73	9.79	9.66	9.66
1398	NASDAQ	IOSP	Tue, Dec 9, 2003	9.63	9.81	9.57	9.80
1397	NASDAQ	IOSP	Mon, Dec 8, 2003	9.48	9.68	9.48	9.68
1396	NASDAQ	IOSP	Fri, Dec 5, 2003	9.53	9.53	9.41	9.45
1395	NASDAQ	IOSP	Thu, Dec 4, 2003	9.48	9.50	9.20	9.50
1394	NASDAQ	IOSP	Wed, Dec 3, 2003	9.68	9.68	9.35	9.40
1393	NASDAQ	IOSP	Tue, Dec 2, 2003	9.63	9.73	9.61	9.65
1392	NASDAQ	IOSP	Mon, Dec 1, 2003	9.70	9.73	9.45	9.54
1391	NASDAQ	IOSP	Fri, Nov 28, 2003	9.68	9.76	9.68	9.69
1390	NASDAQ	IOSP	Wed, Nov 26, 2003	9.73	9.80	9.59	9.66
1389	NASDAQ	IOSP	Tue, Nov 25, 2003	9.68	9.86	9.50	9.72
1388	NASDAQ	IOSP	Mon, Nov 24, 2003	8.60	9.65	8.58	9.63
1387	NASDAQ	IOSP	Fri, Nov 21, 2003	8.48	8.60	8.47	8.55
1386	NASDAQ	IOSP	Thu, Nov 20, 2003	8.60	8.61	8.43	8.44
1385	NASDAQ	IOSP	Wed, Nov 19, 2003	8.60	8.61	8.55	8.60
1384	NASDAQ	IOSP	Tue, Nov 18, 2003	8.68	8.79	8.58	8.58
1383	NASDAQ	IOSP	Mon, Nov 17, 2003	8.90	8.90	8.59	8.67
1382	NASDAQ	IOSP	Fri, Nov 14, 2003	9.08	9.15	8.98	8.98
1381	NASDAQ	IOSP	Thu, Nov 13, 2003	9.00	9.13	9.00	9.08
1380	NASDAQ	IOSP	Wed, Nov 12, 2003	8.79	9.02	8.79	8.93
1379	NASDAQ	IOSP	Tue, Nov 11, 2003	9.15	9.15	8.65	8.75
1378	NASDAQ	IOSP	Mon, Nov 10, 2003	9.42	9.42	9.10	9.10
1377	NASDAQ	IOSP	Fri, Nov 7, 2003	9.58	9.65	9.39	9.40
1376	NASDAQ	IOSP	Thu, Nov 6, 2003	9.45	9.66	9.45	9.66
1375	NASDAQ	IOSP	Wed, Nov 5, 2003	9.32	9.45	9.27	9.41
1374	NASDAQ	IOSP	Tue, Nov 4, 2003	9.30	9.38	9.30	9.37
1373	NASDAQ	IOSP	Mon, Nov 3, 2003	9.33	9.38	9.25	9.30
1372	NASDAQ	IOSP	Fri, Oct 31, 2003	9.70	9.73	9.31	9.31
1371	NASDAQ	IOSP	Thu, Oct 30, 2003	9.70	9.78	9.63	9.70
1370	NASDAQ	IOSP	Wed, Oct 29, 2003	9.72	9.90	9.65	9.68
1369	NASDAQ	IOSP	Tue, Oct 28, 2003	9.20	9.67	9.15	9.67
1368	NASDAQ	IOSP	Mon, Oct 27, 2003	8.73	8.95	8.73	8.95
1367	NASDAQ	IOSP	Fri, Oct 24, 2003	8.60	8.68	8.53	8.68
1366	NASDAQ	IOSP	Thu, Oct 23, 2003	8.80	8.86	8.65	8.65
1365	NASDAQ	IOSP	Wed, Oct 22, 2003	9.30	9.30	8.78	8.78
1364	NASDAQ	IOSP	Tue, Oct 21, 2003	9.37	9.48	9.30	9.30
1363	NASDAQ	IOSP	Mon, Oct 20, 2003	9.35	9.39	9.30	9.36
1362	NASDAQ	IOSP	Fri, Oct 17, 2003	9.64	9.68	9.35	9.36
1361	NASDAQ	IOSP	Thu, Oct 16, 2003	9.48	9.60	9.43	9.60
1360	NASDAQ	IOSP	Wed, Oct 15, 2003	9.70	9.70	9.49	9.50
1359	NASDAQ	IOSP	Tue, Oct 14, 2003	9.65	9.68	9.60	9.67
1358	NASDAQ	IOSP	Mon, Oct 13, 2003	9.45	9.68	9.45	9.68
1357	NASDAQ	IOSP	Fri, Oct 10, 2003	9.57	9.57	9.38	9.43
1356	NASDAQ	IOSP	Thu, Oct 9, 2003	9.43	9.60	9.43	9.59
1355	NASDAQ	IOSP	Wed, Oct 8, 2003	9.35	9.43	9.33	9.42
1354	NASDAQ	IOSP	Tue, Oct 7, 2003	9.23	9.38	9.20	9.38
1353	NASDAQ	IOSP	Mon, Oct 6, 2003	9.20	9.25	9.15	9.25
1352	NASDAQ	IOSP	Fri, Oct 3, 2003	9.18	9.23	9.15	9.20
1351	NASDAQ	IOSP	Thu, Oct 2, 2003	9.03	9.15	9.02	9.15
1350	NASDAQ	IOSP	Wed, Oct 1, 2003	8.73	9.13	8.73	9.13
1349	NASDAQ	IOSP	Tue, Sep 30, 2003	8.95	9.00	8.50	8.70
1348	NASDAQ	IOSP	Mon, Sep 29, 2003	8.80	9.00	8.80	8.98
1347	NASDAQ	IOSP	Fri, Sep 26, 2003	8.93	8.99	8.78	8.78
1346	NASDAQ	IOSP	Thu, Sep 25, 2003	8.98	9.00	8.90	8.95
1345	NASDAQ	IOSP	Wed, Sep 24, 2003	8.98	9.05	8.95	8.98
1344	NASDAQ	IOSP	Tue, Sep 23, 2003	9.03	9.05	8.96	9.00
1343	NASDAQ	IOSP	Mon, Sep 22, 2003	9.05	9.05	8.87	9.04
1342	NASDAQ	IOSP	Fri, Sep 19, 2003	8.73	9.13	8.73	9.10
1341	NASDAQ	IOSP	Thu, Sep 18, 2003	8.73	8.89	8.70	8.78
1340	NASDAQ	IOSP	Wed, Sep 17, 2003	8.77	8.80	8.73	8.75
1339	NASDAQ	IOSP	Tue, Sep 16, 2003	8.75	8.83	8.75	8.79
1338	NASDAQ	IOSP	Mon, Sep 15, 2003	8.82	8.82	8.75	8.78
1337	NASDAQ	IOSP	Fri, Sep 12, 2003	8.78	8.89	8.60	8.83
1336	NASDAQ	IOSP	Thu, Sep 11, 2003	8.75	9.01	8.74	8.90
1335	NASDAQ	IOSP	Wed, Sep 10, 2003	9.00	9.03	8.38	9.03
1334	NASDAQ	IOSP	Tue, Sep 9, 2003	9.03	9.08	8.97	9.03
1333	NASDAQ	IOSP	Mon, Sep 8, 2003	8.99	9.18	8.98	9.10
1332	NASDAQ	IOSP	Fri, Sep 5, 2003	9.00	9.13	8.98	8.99
1331	NASDAQ	IOSP	Thu, Sep 4, 2003	9.23	9.23	8.95	9.01
1330	NASDAQ	IOSP	Wed, Sep 3, 2003	9.00	9.23	8.88	9.23
1329	NASDAQ	IOSP	Tue, Sep 2, 2003	8.85	9.00	8.81	9.00
1328	NASDAQ	IOSP	Fri, Aug 29, 2003	8.99	9.00	8.91	8.91
1327	NASDAQ	IOSP	Thu, Aug 28, 2003	8.99	9.01	8.84	8.99
1326	NASDAQ	IOSP	Wed, Aug 27, 2003	9.10	9.10	8.96	8.98
1325	NASDAQ	IOSP	Tue, Aug 26, 2003	8.53	9.03	8.53	9.03
1324	NASDAQ	IOSP	Mon, Aug 25, 2003	9.20	9.20	8.25	8.63
1323	NASDAQ	IOSP	Fri, Aug 22, 2003	9.48	9.50	9.25	9.33
1322	NASDAQ	IOSP	Thu, Aug 21, 2003	9.00	9.48	8.98	9.48
1321	NASDAQ	IOSP	Wed, Aug 20, 2003	8.93	9.10	8.78	9.05
1320	NASDAQ	IOSP	Tue, Aug 19, 2003	8.85	8.93	8.76	8.90
1319	NASDAQ	IOSP	Mon, Aug 18, 2003	8.20	8.90	8.15	8.86
1318	NASDAQ	IOSP	Fri, Aug 15, 2003	7.68	8.03	7.68	8.01
1317	NASDAQ	IOSP	Thu, Aug 14, 2003	7.30	7.67	7.28	7.65
1316	NASDAQ	IOSP	Wed, Aug 13, 2003	7.40	7.40	7.23	7.25
1315	NASDAQ	IOSP	Tue, Aug 12, 2003	7.25	7.43	7.13	7.40
1314	NASDAQ	IOSP	Mon, Aug 11, 2003	7.17	7.27	7.06	7.20
1313	NASDAQ	IOSP	Fri, Aug 8, 2003	7.08	7.12	7.03	7.08
1312	NASDAQ	IOSP	Thu, Aug 7, 2003	7.04	7.14	7.01	7.11
1311	NASDAQ	IOSP	Wed, Aug 6, 2003	7.05	7.08	6.93	7.08
1310	NASDAQ	IOSP	Tue, Aug 5, 2003	7.08	7.08	6.86	7.00
1309	NASDAQ	IOSP	Mon, Aug 4, 2003	7.18	7.27	7.10	7.10
1308	NASDAQ	IOSP	Fri, Aug 1, 2003	7.36	7.37	7.15	7.33
1307	NASDAQ	IOSP	Thu, Jul 31, 2003	7.25	7.37	7.23	7.35
1306	NASDAQ	IOSP	Wed, Jul 30, 2003	7.18	7.33	7.15	7.28
1305	NASDAQ	IOSP	Tue, Jul 29, 2003	7.08	7.20	7.08	7.15
1304	NASDAQ	IOSP	Mon, Jul 28, 2003	6.93	6.97	6.90	6.93
1303	NASDAQ	IOSP	Fri, Jul 25, 2003	6.88	6.95	6.85	6.91
1302	NASDAQ	IOSP	Thu, Jul 24, 2003	7.00	7.03	6.80	6.85
1301	NASDAQ	IOSP	Wed, Jul 23, 2003	7.03	7.05	6.93	6.97
1300	NASDAQ	IOSP	Tue, Jul 22, 2003	6.90	6.98	6.88	6.98
1299	NASDAQ	IOSP	Mon, Jul 21, 2003	6.80	6.97	6.80	6.89
1298	NASDAQ	IOSP	Fri, Jul 18, 2003	7.11	7.15	7.00	7.00
1297	NASDAQ	IOSP	Thu, Jul 17, 2003	7.16	7.20	7.10	7.10
1296	NASDAQ	IOSP	Wed, Jul 16, 2003	7.19	7.21	7.17	7.18
1295	NASDAQ	IOSP	Tue, Jul 15, 2003	7.19	7.19	7.15	7.17
1294	NASDAQ	IOSP	Mon, Jul 14, 2003	7.09	7.19	7.08	7.16
1293	NASDAQ	IOSP	Fri, Jul 11, 2003	6.96	7.05	6.96	7.04
1292	NASDAQ	IOSP	Thu, Jul 10, 2003	7.04	7.05	6.91	6.91
1291	NASDAQ	IOSP	Wed, Jul 9, 2003	7.35	7.35	6.94	6.99
1290	NASDAQ	IOSP	Tue, Jul 8, 2003	7.36	7.36	7.26	7.30
1289	NASDAQ	IOSP	Mon, Jul 7, 2003	7.10	7.37	7.10	7.33
1288	NASDAQ	IOSP	Thu, Jul 3, 2003	7.13	7.23	7.06	7.06
1287	NASDAQ	IOSP	Wed, Jul 2, 2003	6.80	7.07	6.80	7.04
1286	NASDAQ	IOSP	Tue, Jul 1, 2003	6.95	6.97	6.76	6.79
1285	NASDAQ	IOSP	Mon, Jun 30, 2003	7.08	7.12	6.95	6.95
1284	NASDAQ	IOSP	Fri, Jun 27, 2003	7.05	7.15	7.00	7.03
1283	NASDAQ	IOSP	Thu, Jun 26, 2003	7.10	7.10	6.95	7.00
1282	NASDAQ	IOSP	Wed, Jun 25, 2003	7.23	7.28	7.15	7.15
1281	NASDAQ	IOSP	Tue, Jun 24, 2003	7.09	7.33	6.99	7.28
1280	NASDAQ	IOSP	Mon, Jun 23, 2003	7.33	7.34	7.05	7.06
1279	NASDAQ	IOSP	Fri, Jun 20, 2003	7.25	7.37	7.25	7.30
1278	NASDAQ	IOSP	Thu, Jun 19, 2003	7.23	7.32	7.20	7.20
1277	NASDAQ	IOSP	Wed, Jun 18, 2003	7.23	7.30	7.20	7.29
1276	NASDAQ	IOSP	Tue, Jun 17, 2003	7.28	7.37	6.76	7.18
1275	NASDAQ	IOSP	Mon, Jun 16, 2003	6.97	7.20	6.97	7.18
1274	NASDAQ	IOSP	Fri, Jun 13, 2003	7.00	7.03	6.91	6.92
1273	NASDAQ	IOSP	Thu, Jun 12, 2003	6.93	7.08	6.90	6.99
1272	NASDAQ	IOSP	Wed, Jun 11, 2003	6.88	6.90	6.70	6.89
1271	NASDAQ	IOSP	Tue, Jun 10, 2003	6.58	6.94	6.55	6.90
1270	NASDAQ	IOSP	Mon, Jun 9, 2003	6.61	6.65	6.54	6.55
1269	NASDAQ	IOSP	Fri, Jun 6, 2003	6.75	6.83	6.60	6.61
1268	NASDAQ	IOSP	Thu, Jun 5, 2003	6.71	6.81	6.70	6.75
1267	NASDAQ	IOSP	Wed, Jun 4, 2003	6.67	6.85	6.63	6.70
1266	NASDAQ	IOSP	Tue, Jun 3, 2003	6.65	6.70	6.54	6.62
1265	NASDAQ	IOSP	Mon, Jun 2, 2003	6.80	6.88	6.69	6.70
1264	NASDAQ	IOSP	Fri, May 30, 2003	6.55	6.70	6.54	6.68
1263	NASDAQ	IOSP	Thu, May 29, 2003	6.28	6.53	6.28	6.50
1262	NASDAQ	IOSP	Wed, May 28, 2003	6.52	6.55	6.30	6.33
1261	NASDAQ	IOSP	Tue, May 27, 2003	6.50	6.53	6.41	6.47
1260	NASDAQ	IOSP	Fri, May 23, 2003	6.41	6.48	6.40	6.47
1259	NASDAQ	IOSP	Thu, May 22, 2003	6.50	6.50	6.40	6.44
1258	NASDAQ	IOSP	Wed, May 21, 2003	6.46	6.48	6.43	6.45
1257	NASDAQ	IOSP	Tue, May 20, 2003	6.46	6.71	6.43	6.45
1256	NASDAQ	IOSP	Mon, May 19, 2003	6.50	6.50	6.45	6.45
1255	NASDAQ	IOSP	Fri, May 16, 2003	6.63	6.73	6.40	6.45
1254	NASDAQ	IOSP	Thu, May 15, 2003	6.55	6.69	6.55	6.68
1253	NASDAQ	IOSP	Wed, May 14, 2003	6.80	6.80	6.60	6.60
1252	NASDAQ	IOSP	Tue, May 13, 2003	6.91	6.92	6.72	6.75
1251	NASDAQ	IOSP	Mon, May 12, 2003	7.12	7.12	6.96	6.96
1250	NASDAQ	IOSP	Fri, May 9, 2003	7.10	7.30	7.10	7.12
1249	NASDAQ	IOSP	Thu, May 8, 2003	7.26	7.26	7.08	7.08
1248	NASDAQ	IOSP	Wed, May 7, 2003	7.26	7.30	7.25	7.26
1247	NASDAQ	IOSP	Tue, May 6, 2003	7.40	7.40	7.30	7.31
1246	NASDAQ	IOSP	Mon, May 5, 2003	7.25	7.49	7.25	7.38
1245	NASDAQ	IOSP	Fri, May 2, 2003	7.23	7.31	7.12	7.30
1244	NASDAQ	IOSP	Thu, May 1, 2003	7.40	7.40	7.18	7.18
1243	NASDAQ	IOSP	Wed, Apr 30, 2003	7.44	7.59	7.31	7.40
1242	NASDAQ	IOSP	Tue, Apr 29, 2003	7.88	7.88	7.43	7.49
1241	NASDAQ	IOSP	Mon, Apr 28, 2003	7.88	8.09	7.80	7.88
1240	NASDAQ	IOSP	Fri, Apr 25, 2003	7.76	7.88	7.73	7.85
1239	NASDAQ	IOSP	Thu, Apr 24, 2003	7.55	7.81	7.51	7.78
1238	NASDAQ	IOSP	Wed, Apr 23, 2003	7.29	7.56	7.29	7.56
1237	NASDAQ	IOSP	Tue, Apr 22, 2003	7.40	7.40	7.24	7.27
1236	NASDAQ	IOSP	Mon, Apr 21, 2003	7.38	7.60	7.38	7.45
1235	NASDAQ	IOSP	Thu, Apr 17, 2003	7.34	7.34	7.10	7.25
1234	NASDAQ	IOSP	Wed, Apr 16, 2003	7.45	7.45	7.33	7.34
1233	NASDAQ	IOSP	Tue, Apr 15, 2003	7.54	7.54	7.37	7.45
1232	NASDAQ	IOSP	Mon, Apr 14, 2003	7.65	7.65	7.55	7.58
1231	NASDAQ	IOSP	Fri, Apr 11, 2003	7.83	7.83	7.60	7.60
1230	NASDAQ	IOSP	Thu, Apr 10, 2003	7.85	7.93	7.78	7.78
1229	NASDAQ	IOSP	Wed, Apr 9, 2003	8.03	8.05	7.83	7.88
1228	NASDAQ	IOSP	Tue, Apr 8, 2003	7.93	8.00	7.88	7.97
1227	NASDAQ	IOSP	Mon, Apr 7, 2003	7.85	7.99	7.85	7.86
1226	NASDAQ	IOSP	Fri, Apr 4, 2003	7.75	7.88	7.67	7.80
1225	NASDAQ	IOSP	Thu, Apr 3, 2003	7.62	7.73	7.55	7.73
1224	NASDAQ	IOSP	Wed, Apr 2, 2003	7.31	7.62	7.31	7.62
1223	NASDAQ	IOSP	Tue, Apr 1, 2003	7.30	7.32	7.25	7.26
1222	NASDAQ	IOSP	Mon, Mar 31, 2003	7.30	7.35	7.23	7.25
1221	NASDAQ	IOSP	Fri, Mar 28, 2003	7.48	7.48	7.31	7.35
1220	NASDAQ	IOSP	Thu, Mar 27, 2003	7.49	7.50	7.41	7.43
1219	NASDAQ	IOSP	Wed, Mar 26, 2003	7.65	7.71	7.50	7.50
1218	NASDAQ	IOSP	Tue, Mar 25, 2003	7.75	7.78	7.70	7.70
1217	NASDAQ	IOSP	Mon, Mar 24, 2003	7.78	7.83	7.76	7.76
1216	NASDAQ	IOSP	Fri, Mar 21, 2003	7.63	7.99	7.63	7.85
1215	NASDAQ	IOSP	Thu, Mar 20, 2003	7.50	7.72	7.48	7.65
1214	NASDAQ	IOSP	Wed, Mar 19, 2003	7.50	7.69	7.50	7.55
1213	NASDAQ	IOSP	Tue, Mar 18, 2003	7.49	7.50	7.42	7.45
1212	NASDAQ	IOSP	Mon, Mar 17, 2003	6.71	7.47	6.71	7.47
1211	NASDAQ	IOSP	Fri, Mar 14, 2003	6.87	6.97	6.60	6.71
1210	NASDAQ	IOSP	Thu, Mar 13, 2003	7.20	7.22	6.90	6.92
1209	NASDAQ	IOSP	Wed, Mar 12, 2003	7.46	7.46	7.19	7.25
1208	NASDAQ	IOSP	Tue, Mar 11, 2003	7.68	7.68	7.51	7.51
1207	NASDAQ	IOSP	Mon, Mar 10, 2003	7.55	7.65	7.50	7.56
1206	NASDAQ	IOSP	Fri, Mar 7, 2003	7.60	7.63	7.56	7.60
1205	NASDAQ	IOSP	Thu, Mar 6, 2003	7.65	7.69	7.59	7.63
1204	NASDAQ	IOSP	Wed, Mar 5, 2003	7.95	7.95	7.65	7.70
1203	NASDAQ	IOSP	Tue, Mar 4, 2003	7.83	7.90	7.70	7.90
1202	NASDAQ	IOSP	Mon, Mar 3, 2003	8.08	8.08	7.87	7.88
1201	NASDAQ	IOSP	Fri, Feb 28, 2003	7.95	8.05	7.85	8.05
1200	NASDAQ	IOSP	Thu, Feb 27, 2003	7.93	8.01	7.90	8.00
1199	NASDAQ	IOSP	Wed, Feb 26, 2003	8.02	8.02	7.87	7.93
1198	NASDAQ	IOSP	Tue, Feb 25, 2003	7.93	8.07	7.85	8.04
1197	NASDAQ	IOSP	Mon, Feb 24, 2003	7.95	7.99	7.84	7.94
1196	NASDAQ	IOSP	Fri, Feb 21, 2003	7.93	8.05	7.88	7.98
1195	NASDAQ	IOSP	Thu, Feb 20, 2003	7.84	7.93	7.76	7.93
1194	NASDAQ	IOSP	Wed, Feb 19, 2003	7.73	7.95	7.73	7.91
1193	NASDAQ	IOSP	Tue, Feb 18, 2003	7.65	7.80	7.55	7.80
1192	NASDAQ	IOSP	Fri, Feb 14, 2003	7.40	7.60	7.30	7.60
1191	NASDAQ	IOSP	Thu, Feb 13, 2003	7.30	7.47	7.29	7.45
1190	NASDAQ	IOSP	Wed, Feb 12, 2003	7.08	7.32	7.08	7.25
1189	NASDAQ	IOSP	Tue, Feb 11, 2003	7.13	7.37	6.96	7.05
1188	NASDAQ	IOSP	Mon, Feb 10, 2003	6.59	7.00	6.50	7.00
1187	NASDAQ	IOSP	Fri, Feb 7, 2003	6.56	6.76	6.46	6.63
1186	NASDAQ	IOSP	Thu, Feb 6, 2003	6.56	6.80	6.53	6.60
1185	NASDAQ	IOSP	Wed, Feb 5, 2003	7.10	7.15	6.35	6.55
1184	NASDAQ	IOSP	Tue, Feb 4, 2003	7.01	7.09	6.85	7.07
1183	NASDAQ	IOSP	Mon, Feb 3, 2003	7.09	7.12	7.02	7.02
1182	NASDAQ	IOSP	Fri, Jan 31, 2003	7.25	7.38	7.10	7.10
1181	NASDAQ	IOSP	Thu, Jan 30, 2003	7.45	7.50	7.08	7.25
1180	NASDAQ	IOSP	Wed, Jan 29, 2003	8.25	8.25	7.50	7.50
1179	NASDAQ	IOSP	Tue, Jan 28, 2003	8.21	8.70	8.17	8.65
1178	NASDAQ	IOSP	Mon, Jan 27, 2003	8.30	8.32	8.16	8.25
1177	NASDAQ	IOSP	Fri, Jan 24, 2003	8.58	8.58	8.30	8.30
1176	NASDAQ	IOSP	Thu, Jan 23, 2003	8.52	8.65	8.45	8.65
1175	NASDAQ	IOSP	Wed, Jan 22, 2003	8.70	8.70	8.51	8.55
1174	NASDAQ	IOSP	Tue, Jan 21, 2003	8.85	8.87	8.73	8.74
1173	NASDAQ	IOSP	Fri, Jan 17, 2003	8.96	8.96	8.73	8.91
1172	NASDAQ	IOSP	Thu, Jan 16, 2003	9.08	9.08	8.94	8.96
1171	NASDAQ	IOSP	Wed, Jan 15, 2003	8.98	9.14	8.88	9.03
1170	NASDAQ	IOSP	Tue, Jan 14, 2003	9.00	9.03	8.90	9.00
1169	NASDAQ	IOSP	Mon, Jan 13, 2003	9.02	9.02	8.81	8.94
1168	NASDAQ	IOSP	Fri, Jan 10, 2003	9.03	9.10	8.99	8.99
1167	NASDAQ	IOSP	Thu, Jan 9, 2003	8.65	9.10	8.65	9.03
1166	NASDAQ	IOSP	Wed, Jan 8, 2003	8.60	8.69	8.55	8.60
1165	NASDAQ	IOSP	Tue, Jan 7, 2003	8.55	8.79	8.55	8.55
1164	NASDAQ	IOSP	Mon, Jan 6, 2003	7.80	8.62	7.80	8.62
1163	NASDAQ	IOSP	Fri, Jan 3, 2003	7.88	7.90	7.70	7.71
1162	NASDAQ	IOSP	Thu, Jan 2, 2003	7.98	8.00	7.79	7.90
1161	NASDAQ	IOSP	Tue, Dec 31, 2002	8.13	8.13	7.88	7.90
1160	NASDAQ	IOSP	Mon, Dec 30, 2002	8.10	8.28	8.08	8.17
1159	NASDAQ	IOSP	Fri, Dec 27, 2002	8.30	8.35	8.15	8.15
1158	NASDAQ	IOSP	Thu, Dec 26, 2002	8.40	8.40	8.30	8.33
1157	NASDAQ	IOSP	Tue, Dec 24, 2002	8.50	8.53	8.43	8.43
1156	NASDAQ	IOSP	Mon, Dec 23, 2002	8.60	8.60	8.45	8.50
1155	NASDAQ	IOSP	Fri, Dec 20, 2002	8.65	8.66	8.48	8.58
1154	NASDAQ	IOSP	Thu, Dec 19, 2002	8.55	8.67	8.47	8.60
1153	NASDAQ	IOSP	Wed, Dec 18, 2002	8.52	8.55	8.45	8.50
1152	NASDAQ	IOSP	Tue, Dec 17, 2002	8.64	8.64	8.45	8.50
1151	NASDAQ	IOSP	Mon, Dec 16, 2002	8.51	8.68	8.48	8.68
1150	NASDAQ	IOSP	Fri, Dec 13, 2002	8.72	8.76	8.55	8.55
1149	NASDAQ	IOSP	Thu, Dec 12, 2002	8.68	8.80	8.68	8.72
1148	NASDAQ	IOSP	Wed, Dec 11, 2002	8.62	8.71	8.62	8.65
1147	NASDAQ	IOSP	Tue, Dec 10, 2002	9.00	9.00	8.55	8.60
1146	NASDAQ	IOSP	Mon, Dec 9, 2002	9.16	9.16	8.93	8.93
1145	NASDAQ	IOSP	Fri, Dec 6, 2002	9.05	9.24	9.05	9.20
1144	NASDAQ	IOSP	Thu, Dec 5, 2002	9.21	9.21	9.10	9.10
1143	NASDAQ	IOSP	Wed, Dec 4, 2002	9.29	9.29	9.10	9.18
1142	NASDAQ	IOSP	Tue, Dec 3, 2002	9.35	9.35	9.15	9.24
1141	NASDAQ	IOSP	Mon, Dec 2, 2002	9.80	9.85	9.27	9.35
1140	NASDAQ	IOSP	Fri, Nov 29, 2002	9.86	9.88	9.75	9.85
1139	NASDAQ	IOSP	Wed, Nov 27, 2002	9.36	9.86	9.36	9.86
1138	NASDAQ	IOSP	Tue, Nov 26, 2002	9.73	9.73	9.35	9.36
1137	NASDAQ	IOSP	Mon, Nov 25, 2002	9.35	9.75	9.18	9.75
1136	NASDAQ	IOSP	Fri, Nov 22, 2002	9.55	9.57	9.39	9.41
1135	NASDAQ	IOSP	Thu, Nov 21, 2002	9.65	9.92	9.50	9.60
1134	NASDAQ	IOSP	Wed, Nov 20, 2002	8.98	9.68	8.98	9.65
1133	NASDAQ	IOSP	Tue, Nov 19, 2002	9.05	9.05	8.91	9.00
1132	NASDAQ	IOSP	Mon, Nov 18, 2002	9.18	9.18	8.75	9.02
1131	NASDAQ	IOSP	Fri, Nov 15, 2002	9.20	9.27	9.13	9.13
1130	NASDAQ	IOSP	Thu, Nov 14, 2002	9.10	9.20	9.03	9.20
1129	NASDAQ	IOSP	Wed, Nov 13, 2002	9.20	9.30	9.10	9.10
1128	NASDAQ	IOSP	Tue, Nov 12, 2002	9.21	9.46	9.21	9.25
1127	NASDAQ	IOSP	Mon, Nov 11, 2002	9.40	9.41	9.26	9.26
1126	NASDAQ	IOSP	Fri, Nov 8, 2002	9.50	9.50	9.38	9.47
1125	NASDAQ	IOSP	Thu, Nov 7, 2002	9.38	9.52	9.31	9.43
1124	NASDAQ	IOSP	Wed, Nov 6, 2002	9.45	9.53	9.29	9.43
1123	NASDAQ	IOSP	Tue, Nov 5, 2002	9.63	9.63	9.43	9.51
1122	NASDAQ	IOSP	Mon, Nov 4, 2002	9.30	9.69	9.30	9.69
1121	NASDAQ	IOSP	Fri, Nov 1, 2002	8.90	9.30	8.90	9.30
1120	NASDAQ	IOSP	Thu, Oct 31, 2002	9.10	9.13	8.89	8.89
1119	NASDAQ	IOSP	Wed, Oct 30, 2002	8.88	9.14	8.85	9.05
1118	NASDAQ	IOSP	Tue, Oct 29, 2002	9.25	9.37	8.80	8.80
1117	NASDAQ	IOSP	Mon, Oct 28, 2002	9.40	9.40	9.17	9.25
1116	NASDAQ	IOSP	Fri, Oct 25, 2002	9.78	9.80	9.28	9.35
1115	NASDAQ	IOSP	Thu, Oct 24, 2002	9.60	9.83	9.50	9.78
1114	NASDAQ	IOSP	Wed, Oct 23, 2002	9.38	9.56	9.38	9.56
1113	NASDAQ	IOSP	Tue, Oct 22, 2002	9.59	9.78	9.40	9.40
1112	NASDAQ	IOSP	Mon, Oct 21, 2002	9.50	9.60	9.50	9.60
1111	NASDAQ	IOSP	Fri, Oct 18, 2002	9.60	9.60	9.27	9.45
1110	NASDAQ	IOSP	Thu, Oct 17, 2002	9.23	9.58	9.23	9.58
1109	NASDAQ	IOSP	Wed, Oct 16, 2002	9.36	9.36	9.18	9.18
1108	NASDAQ	IOSP	Tue, Oct 15, 2002	9.23	9.45	9.23	9.35
1107	NASDAQ	IOSP	Mon, Oct 14, 2002	9.45	9.45	9.20	9.23
1106	NASDAQ	IOSP	Fri, Oct 11, 2002	9.38	9.53	9.35	9.53
1105	NASDAQ	IOSP	Thu, Oct 10, 2002	9.20	9.45	9.20	9.45
1104	NASDAQ	IOSP	Wed, Oct 9, 2002	9.55	9.55	9.18	9.20
1103	NASDAQ	IOSP	Tue, Oct 8, 2002	9.43	9.51	9.39	9.51
1102	NASDAQ	IOSP	Mon, Oct 7, 2002	9.20	9.58	9.15	9.46
1101	NASDAQ	IOSP	Fri, Oct 4, 2002	9.20	9.30	9.13	9.25
1100	NASDAQ	IOSP	Thu, Oct 3, 2002	9.08	9.25	9.08	9.15
1099	NASDAQ	IOSP	Wed, Oct 2, 2002	9.05	9.08	9.03	9.08
1098	NASDAQ	IOSP	Tue, Oct 1, 2002	9.45	9.45	9.01	9.10
1097	NASDAQ	IOSP	Mon, Sep 30, 2002	9.18	9.53	9.18	9.45
1096	NASDAQ	IOSP	Fri, Sep 27, 2002	9.83	9.85	9.16	9.18
1095	NASDAQ	IOSP	Thu, Sep 26, 2002	9.93	10.00	9.84	9.93
1094	NASDAQ	IOSP	Wed, Sep 25, 2002	9.83	10.10	9.83	10.02
1093	NASDAQ	IOSP	Tue, Sep 24, 2002	9.97	10.10	9.76	9.88
1092	NASDAQ	IOSP	Mon, Sep 23, 2002	10.08	10.09	10.01	10.01
1091	NASDAQ	IOSP	Fri, Sep 20, 2002	10.00	10.08	9.90	10.08
1090	NASDAQ	IOSP	Thu, Sep 19, 2002	10.28	10.30	9.92	9.92
1089	NASDAQ	IOSP	Wed, Sep 18, 2002	10.25	10.25	10.10	10.22
1088	NASDAQ	IOSP	Tue, Sep 17, 2002	10.55	10.56	10.30	10.30
1087	NASDAQ	IOSP	Mon, Sep 16, 2002	10.75	10.75	10.59	10.62
1086	NASDAQ	IOSP	Fri, Sep 13, 2002	10.67	10.78	10.55	10.75
1085	NASDAQ	IOSP	Thu, Sep 12, 2002	10.94	10.94	10.70	10.70
1084	NASDAQ	IOSP	Wed, Sep 11, 2002	11.10	11.10	10.95	10.95
1083	NASDAQ	IOSP	Tue, Sep 10, 2002	11.60	11.60	11.15	11.18
1082	NASDAQ	IOSP	Mon, Sep 9, 2002	11.70	11.83	11.56	11.60
1081	NASDAQ	IOSP	Fri, Sep 6, 2002	11.50	11.75	11.43	11.75
1080	NASDAQ	IOSP	Thu, Sep 5, 2002	11.55	11.60	11.50	11.58
1079	NASDAQ	IOSP	Wed, Sep 4, 2002	10.90	11.58	10.90	11.58
1078	NASDAQ	IOSP	Tue, Sep 3, 2002	11.35	11.35	10.90	10.90
1077	NASDAQ	IOSP	Fri, Aug 30, 2002	11.18	11.41	11.10	11.41
1076	NASDAQ	IOSP	Thu, Aug 29, 2002	10.71	11.25	10.71	11.23
1075	NASDAQ	IOSP	Wed, Aug 28, 2002	11.28	11.28	10.70	10.70
1074	NASDAQ	IOSP	Tue, Aug 27, 2002	11.50	11.55	11.33	11.33
1073	NASDAQ	IOSP	Mon, Aug 26, 2002	11.10	11.41	11.10	11.41
1072	NASDAQ	IOSP	Fri, Aug 23, 2002	11.15	11.22	11.08	11.08
1071	NASDAQ	IOSP	Thu, Aug 22, 2002	10.40	11.18	10.40	11.10
1070	NASDAQ	IOSP	Wed, Aug 21, 2002	10.50	10.50	10.22	10.40
1069	NASDAQ	IOSP	Tue, Aug 20, 2002	10.03	10.25	9.86	10.23
1068	NASDAQ	IOSP	Mon, Aug 19, 2002	10.68	10.74	10.00	10.05
1067	NASDAQ	IOSP	Fri, Aug 16, 2002	11.00	11.00	10.68	10.68
1066	NASDAQ	IOSP	Thu, Aug 15, 2002	10.77	11.05	10.70	10.98
1065	NASDAQ	IOSP	Wed, Aug 14, 2002	10.40	10.77	10.35	10.77
1064	NASDAQ	IOSP	Tue, Aug 13, 2002	10.53	10.55	10.35	10.35
1063	NASDAQ	IOSP	Mon, Aug 12, 2002	10.50	10.53	10.38	10.48
1062	NASDAQ	IOSP	Fri, Aug 9, 2002	10.45	10.55	10.35	10.50
1061	NASDAQ	IOSP	Thu, Aug 8, 2002	10.55	10.58	10.38	10.50
1060	NASDAQ	IOSP	Wed, Aug 7, 2002	11.13	11.13	10.22	10.50
1059	NASDAQ	IOSP	Tue, Aug 6, 2002	10.95	11.08	10.66	11.00
1058	NASDAQ	IOSP	Mon, Aug 5, 2002	10.98	11.23	10.65	10.88
1057	NASDAQ	IOSP	Fri, Aug 2, 2002	12.10	12.25	10.85	10.85
1056	NASDAQ	IOSP	Thu, Aug 1, 2002	11.28	12.10	11.25	12.10
1055	NASDAQ	IOSP	Wed, Jul 31, 2002	11.50	11.55	10.90	11.20
1054	NASDAQ	IOSP	Tue, Jul 30, 2002	12.95	12.95	11.36	11.60
1053	NASDAQ	IOSP	Mon, Jul 29, 2002	11.95	13.21	11.95	13.08
1052	NASDAQ	IOSP	Fri, Jul 26, 2002	11.60	11.88	11.60	11.88
1051	NASDAQ	IOSP	Thu, Jul 25, 2002	11.58	11.62	11.48	11.60
1050	NASDAQ	IOSP	Wed, Jul 24, 2002	11.03	11.58	10.85	11.58
1049	NASDAQ	IOSP	Tue, Jul 23, 2002	10.93	11.11	10.85	11.03
1048	NASDAQ	IOSP	Mon, Jul 22, 2002	10.83	10.95	10.78	10.84
1047	NASDAQ	IOSP	Fri, Jul 19, 2002	11.25	11.25	10.83	10.83
1046	NASDAQ	IOSP	Thu, Jul 18, 2002	11.73	11.80	11.30	11.33
1045	NASDAQ	IOSP	Wed, Jul 17, 2002	12.00	12.04	11.50	11.75
1044	NASDAQ	IOSP	Tue, Jul 16, 2002	12.33	12.45	11.88	11.91
1043	NASDAQ	IOSP	Mon, Jul 15, 2002	12.48	12.53	12.20	12.26
1042	NASDAQ	IOSP	Fri, Jul 12, 2002	12.49	12.53	12.45	12.48
1041	NASDAQ	IOSP	Thu, Jul 11, 2002	12.53	12.53	12.30	12.43
1040	NASDAQ	IOSP	Wed, Jul 10, 2002	12.53	12.57	12.43	12.48
1039	NASDAQ	IOSP	Tue, Jul 9, 2002	12.23	12.53	12.20	12.53
1038	NASDAQ	IOSP	Mon, Jul 8, 2002	12.25	12.40	12.23	12.23
1037	NASDAQ	IOSP	Fri, Jul 5, 2002	12.33	12.45	12.28	12.30
1036	NASDAQ	IOSP	Wed, Jul 3, 2002	12.50	12.50	12.25	12.41
1035	NASDAQ	IOSP	Tue, Jul 2, 2002	12.50	12.51	12.38	12.48
1034	NASDAQ	IOSP	Mon, Jul 1, 2002	12.60	12.63	12.51	12.55
1033	NASDAQ	IOSP	Fri, Jun 28, 2002	12.58	12.68	12.55	12.68
1032	NASDAQ	IOSP	Thu, Jun 27, 2002	12.48	12.54	12.46	12.54
1031	NASDAQ	IOSP	Wed, Jun 26, 2002	12.45	12.50	12.38	12.45
1030	NASDAQ	IOSP	Tue, Jun 25, 2002	12.58	12.60	12.43	12.49
1029	NASDAQ	IOSP	Mon, Jun 24, 2002	12.70	12.73	12.51	12.57
1028	NASDAQ	IOSP	Fri, Jun 21, 2002	13.02	13.05	12.66	12.73
1027	NASDAQ	IOSP	Thu, Jun 20, 2002	12.85	13.05	12.70	12.97
1026	NASDAQ	IOSP	Wed, Jun 19, 2002	12.90	13.00	12.86	12.91
1025	NASDAQ	IOSP	Tue, Jun 18, 2002	12.50	12.99	12.50	12.95
1024	NASDAQ	IOSP	Mon, Jun 17, 2002	12.40	12.50	12.40	12.43
1023	NASDAQ	IOSP	Fri, Jun 14, 2002	12.49	12.50	12.15	12.20
1022	NASDAQ	IOSP	Thu, Jun 13, 2002	12.73	12.98	12.55	12.62
1021	NASDAQ	IOSP	Wed, Jun 12, 2002	12.53	12.75	12.53	12.65
1020	NASDAQ	IOSP	Tue, Jun 11, 2002	11.93	12.60	11.93	12.48
1019	NASDAQ	IOSP	Mon, Jun 10, 2002	11.20	11.98	11.20	11.98
1018	NASDAQ	IOSP	Fri, Jun 7, 2002	11.00	11.23	11.00	11.14
1017	NASDAQ	IOSP	Thu, Jun 6, 2002	11.15	11.15	11.08	11.14
1016	NASDAQ	IOSP	Wed, Jun 5, 2002	10.79	11.20	10.76	11.20
1015	NASDAQ	IOSP	Tue, Jun 4, 2002	10.68	10.78	10.55	10.78
1014	NASDAQ	IOSP	Mon, Jun 3, 2002	10.80	10.85	10.64	10.65
1013	NASDAQ	IOSP	Fri, May 31, 2002	11.00	11.10	10.76	10.76
1012	NASDAQ	IOSP	Thu, May 30, 2002	11.10	11.10	11.00	11.00
1011	NASDAQ	IOSP	Wed, May 29, 2002	11.00	11.10	11.00	11.10
1010	NASDAQ	IOSP	Tue, May 28, 2002	10.93	10.99	10.85	10.99
1009	NASDAQ	IOSP	Fri, May 24, 2002	10.90	10.95	10.85	10.85
1008	NASDAQ	IOSP	Thu, May 23, 2002	10.98	11.00	10.90	10.93
1007	NASDAQ	IOSP	Wed, May 22, 2002	10.80	11.05	10.80	10.93
1006	NASDAQ	IOSP	Tue, May 21, 2002	10.94	11.10	10.85	10.90
1005	NASDAQ	IOSP	Mon, May 20, 2002	10.90	10.95	10.85	10.90
1004	NASDAQ	IOSP	Fri, May 17, 2002	10.70	10.95	10.70	10.90
1003	NASDAQ	IOSP	Thu, May 16, 2002	11.05	11.05	10.64	10.74
1002	NASDAQ	IOSP	Wed, May 15, 2002	10.85	11.00	10.76	11.00
1001	NASDAQ	IOSP	Tue, May 14, 2002	10.93	11.00	10.78	10.79
1000	NASDAQ	IOSP	Mon, May 13, 2002	10.55	10.90	10.50	10.88
999	NASDAQ	IOSP	Fri, May 10, 2002	10.69	10.75	10.33	10.62
998	NASDAQ	IOSP	Thu, May 9, 2002	10.95	11.05	10.70	10.70
997	NASDAQ	IOSP	Wed, May 8, 2002	10.21	10.98	10.21	10.95
996	NASDAQ	IOSP	Tue, May 7, 2002	10.90	10.90	10.15	10.20
995	NASDAQ	IOSP	Mon, May 6, 2002	11.33	11.39	10.88	10.90
994	NASDAQ	IOSP	Fri, May 3, 2002	11.20	11.40	11.20	11.28
993	NASDAQ	IOSP	Thu, May 2, 2002	11.30	11.40	11.05	11.25
992	NASDAQ	IOSP	Wed, May 1, 2002	11.18	11.38	10.60	11.38
991	NASDAQ	IOSP	Tue, Apr 30, 2002	9.73	11.28	9.70	11.28
990	NASDAQ	IOSP	Mon, Apr 29, 2002	9.55	9.55	9.49	9.49
989	NASDAQ	IOSP	Fri, Apr 26, 2002	9.50	9.60	9.48	9.51
988	NASDAQ	IOSP	Thu, Apr 25, 2002	9.45	9.68	9.45	9.61
987	NASDAQ	IOSP	Wed, Apr 24, 2002	9.33	9.41	9.33	9.41
986	NASDAQ	IOSP	Tue, Apr 23, 2002	9.30	9.33	9.25	9.30
985	NASDAQ	IOSP	Mon, Apr 22, 2002	9.30	9.41	9.25	9.35
984	NASDAQ	IOSP	Fri, Apr 19, 2002	9.50	9.50	9.35	9.35
983	NASDAQ	IOSP	Thu, Apr 18, 2002	9.30	9.53	9.28	9.48
982	NASDAQ	IOSP	Wed, Apr 17, 2002	9.50	9.50	9.40	9.40
981	NASDAQ	IOSP	Tue, Apr 16, 2002	9.35	9.52	9.35	9.52
980	NASDAQ	IOSP	Mon, Apr 15, 2002	9.56	9.62	9.45	9.45
979	NASDAQ	IOSP	Fri, Apr 12, 2002	9.55	9.63	9.50	9.53
978	NASDAQ	IOSP	Thu, Apr 11, 2002	9.70	9.73	9.33	9.48
977	NASDAQ	IOSP	Wed, Apr 10, 2002	9.65	9.70	9.58	9.70
976	NASDAQ	IOSP	Tue, Apr 9, 2002	9.66	9.70	9.60	9.60
975	NASDAQ	IOSP	Mon, Apr 8, 2002	9.65	9.75	9.63	9.68
974	NASDAQ	IOSP	Fri, Apr 5, 2002	9.75	9.88	9.65	9.65
973	NASDAQ	IOSP	Thu, Apr 4, 2002	9.67	9.69	9.56	9.69
972	NASDAQ	IOSP	Wed, Apr 3, 2002	9.53	9.70	9.47	9.66
971	NASDAQ	IOSP	Tue, Apr 2, 2002	9.38	9.50	9.38	9.48
970	NASDAQ	IOSP	Mon, Apr 1, 2002	9.38	9.38	9.31	9.34
969	NASDAQ	IOSP	Thu, Mar 28, 2002	9.50	9.53	9.43	9.43
968	NASDAQ	IOSP	Wed, Mar 27, 2002	9.43	9.48	9.38	9.48
967	NASDAQ	IOSP	Tue, Mar 26, 2002	9.33	9.44	9.33	9.43
966	NASDAQ	IOSP	Mon, Mar 25, 2002	9.38	9.40	9.38	9.40
965	NASDAQ	IOSP	Fri, Mar 22, 2002	9.37	9.38	9.33	9.35
964	NASDAQ	IOSP	Thu, Mar 21, 2002	9.19	9.39	9.18	9.38
963	NASDAQ	IOSP	Wed, Mar 20, 2002	9.16	9.25	9.16	9.18
962	NASDAQ	IOSP	Tue, Mar 19, 2002	9.40	9.40	9.10	9.15
961	NASDAQ	IOSP	Mon, Mar 18, 2002	9.23	9.39	9.23	9.35
960	NASDAQ	IOSP	Fri, Mar 15, 2002	9.18	9.23	9.12	9.18
959	NASDAQ	IOSP	Thu, Mar 14, 2002	9.34	9.40	9.24	9.36
958	NASDAQ	IOSP	Wed, Mar 13, 2002	9.29	9.35	9.26	9.28
957	NASDAQ	IOSP	Tue, Mar 12, 2002	9.27	9.35	9.27	9.29
956	NASDAQ	IOSP	Mon, Mar 11, 2002	9.22	9.30	9.22	9.25
955	NASDAQ	IOSP	Fri, Mar 8, 2002	9.16	9.23	9.16	9.22
954	NASDAQ	IOSP	Thu, Mar 7, 2002	9.14	9.20	9.14	9.16
953	NASDAQ	IOSP	Wed, Mar 6, 2002	9.14	9.23	9.13	9.13
952	NASDAQ	IOSP	Tue, Mar 5, 2002	9.16	9.16	9.08	9.14
951	NASDAQ	IOSP	Mon, Mar 4, 2002	9.06	9.16	9.06	9.13
950	NASDAQ	IOSP	Fri, Mar 1, 2002	9.10	9.15	9.00	9.10
949	NASDAQ	IOSP	Thu, Feb 28, 2002	9.05	9.05	8.98	8.98
948	NASDAQ	IOSP	Wed, Feb 27, 2002	8.93	8.95	8.93	8.95
947	NASDAQ	IOSP	Tue, Feb 26, 2002	8.84	8.90	8.84	8.90
946	NASDAQ	IOSP	Mon, Feb 25, 2002	8.69	8.80	8.68	8.80
945	NASDAQ	IOSP	Fri, Feb 22, 2002	8.50	8.68	8.50	8.68
944	NASDAQ	IOSP	Thu, Feb 21, 2002	8.55	8.55	8.50	8.53
943	NASDAQ	IOSP	Wed, Feb 20, 2002	8.53	8.60	8.45	8.60
942	NASDAQ	IOSP	Tue, Feb 19, 2002	8.55	8.58	8.53	8.55
941	NASDAQ	IOSP	Fri, Feb 15, 2002	8.59	8.60	8.55	8.56
940	NASDAQ	IOSP	Thu, Feb 14, 2002	8.63	8.68	8.54	8.59
939	NASDAQ	IOSP	Wed, Feb 13, 2002	8.64	8.70	8.53	8.63
938	NASDAQ	IOSP	Tue, Feb 12, 2002	8.38	8.95	8.38	8.70
937	NASDAQ	IOSP	Mon, Feb 11, 2002	8.38	8.42	8.28	8.33
936	NASDAQ	IOSP	Fri, Feb 8, 2002	8.15	8.35	8.15	8.35
935	NASDAQ	IOSP	Thu, Feb 7, 2002	8.22	8.22	8.10	8.10
934	NASDAQ	IOSP	Wed, Feb 6, 2002	8.25	8.25	8.19	8.22
933	NASDAQ	IOSP	Tue, Feb 5, 2002	8.18	8.30	8.18	8.25
932	NASDAQ	IOSP	Mon, Feb 4, 2002	8.21	8.21	8.11	8.13
931	NASDAQ	IOSP	Fri, Feb 1, 2002	8.23	8.25	8.18	8.18
930	NASDAQ	IOSP	Thu, Jan 31, 2002	8.15	8.17	8.03	8.13
929	NASDAQ	IOSP	Wed, Jan 30, 2002	8.20	8.27	8.18	8.18
928	NASDAQ	IOSP	Tue, Jan 29, 2002	8.25	8.25	8.19	8.19
927	NASDAQ	IOSP	Mon, Jan 28, 2002	8.33	8.33	8.20	8.21
926	NASDAQ	IOSP	Fri, Jan 25, 2002	8.40	8.41	8.39	8.40
925	NASDAQ	IOSP	Thu, Jan 24, 2002	8.41	8.43	8.38	8.40
924	NASDAQ	IOSP	Wed, Jan 23, 2002	8.45	8.45	8.38	8.41
923	NASDAQ	IOSP	Tue, Jan 22, 2002	8.68	8.68	8.45	8.45
922	NASDAQ	IOSP	Fri, Jan 18, 2002	8.55	8.60	8.50	8.58
921	NASDAQ	IOSP	Thu, Jan 17, 2002	8.14	8.60	8.14	8.60
920	NASDAQ	IOSP	Wed, Jan 16, 2002	8.08	8.13	8.05	8.10
919	NASDAQ	IOSP	Tue, Jan 15, 2002	8.08	8.13	8.03	8.10
918	NASDAQ	IOSP	Mon, Jan 14, 2002	8.10	8.13	8.08	8.08
917	NASDAQ	IOSP	Fri, Jan 11, 2002	8.15	8.22	8.08	8.10
916	NASDAQ	IOSP	Thu, Jan 10, 2002	8.05	8.20	8.04	8.13
915	NASDAQ	IOSP	Wed, Jan 9, 2002	8.05	8.18	8.02	8.07
914	NASDAQ	IOSP	Tue, Jan 8, 2002	8.30	8.30	8.03	8.15
913	NASDAQ	IOSP	Mon, Jan 7, 2002	8.52	8.53	8.35	8.35
912	NASDAQ	IOSP	Fri, Jan 4, 2002	8.66	8.70	8.53	8.54
911	NASDAQ	IOSP	Thu, Jan 3, 2002	8.75	8.83	8.60	8.63
910	NASDAQ	IOSP	Wed, Jan 2, 2002	8.98	8.98	8.75	8.80
909	NASDAQ	IOSP	Mon, Dec 31, 2001	9.15	9.15	9.00	9.00
908	NASDAQ	IOSP	Fri, Dec 28, 2001	9.19	9.28	9.18	9.20
907	NASDAQ	IOSP	Thu, Dec 27, 2001	9.13	9.23	9.13	9.20
906	NASDAQ	IOSP	Wed, Dec 26, 2001	9.18	9.25	9.18	9.18
905	NASDAQ	IOSP	Mon, Dec 24, 2001	9.13	9.13	9.05	9.13
904	NASDAQ	IOSP	Fri, Dec 21, 2001	9.25	9.28	9.15	9.20
903	NASDAQ	IOSP	Thu, Dec 20, 2001	9.38	9.38	9.15	9.15
902	NASDAQ	IOSP	Wed, Dec 19, 2001	9.40	9.45	9.40	9.43
901	NASDAQ	IOSP	Tue, Dec 18, 2001	9.40	9.50	9.40	9.45
900	NASDAQ	IOSP	Mon, Dec 17, 2001	9.10	9.45	9.03	9.45
899	NASDAQ	IOSP	Fri, Dec 14, 2001	8.95	9.15	8.95	9.15
898	NASDAQ	IOSP	Thu, Dec 13, 2001	9.13	9.13	9.05	9.05
897	NASDAQ	IOSP	Wed, Dec 12, 2001	8.94	9.23	8.88	9.18
896	NASDAQ	IOSP	Tue, Dec 11, 2001	8.71	8.97	8.68	8.97
895	NASDAQ	IOSP	Mon, Dec 10, 2001	8.86	8.86	8.73	8.73
894	NASDAQ	IOSP	Fri, Dec 7, 2001	8.50	8.88	8.50	8.87
893	NASDAQ	IOSP	Thu, Dec 6, 2001	8.23	8.50	8.15	8.50
892	NASDAQ	IOSP	Wed, Dec 5, 2001	8.00	8.13	8.00	8.10
891	NASDAQ	IOSP	Tue, Dec 4, 2001	8.00	8.00	7.95	8.00
890	NASDAQ	IOSP	Mon, Dec 3, 2001	8.08	8.08	7.95	7.95
889	NASDAQ	IOSP	Fri, Nov 30, 2001	8.53	8.53	8.05	8.13
888	NASDAQ	IOSP	Thu, Nov 29, 2001	8.53	8.53	8.41	8.50
887	NASDAQ	IOSP	Wed, Nov 28, 2001	8.95	8.95	8.40	8.46
886	NASDAQ	IOSP	Tue, Nov 27, 2001	9.25	9.25	8.98	8.98
885	NASDAQ	IOSP	Mon, Nov 26, 2001	9.05	9.25	9.05	9.25
884	NASDAQ	IOSP	Fri, Nov 23, 2001	8.95	9.10	8.95	9.10
883	NASDAQ	IOSP	Wed, Nov 21, 2001	9.00	9.00	9.00	9.00
882	NASDAQ	IOSP	Tue, Nov 20, 2001	8.98	8.98	8.94	8.94
881	NASDAQ	IOSP	Mon, Nov 19, 2001	9.15	9.15	8.90	9.00
880	NASDAQ	IOSP	Fri, Nov 16, 2001	9.45	9.45	9.20	9.21
879	NASDAQ	IOSP	Thu, Nov 15, 2001	9.40	9.43	9.36	9.38
878	NASDAQ	IOSP	Wed, Nov 14, 2001	9.41	9.44	9.35	9.44
877	NASDAQ	IOSP	Tue, Nov 13, 2001	9.58	9.58	9.36	9.36
876	NASDAQ	IOSP	Mon, Nov 12, 2001	9.49	9.53	9.49	9.50
875	NASDAQ	IOSP	Fri, Nov 9, 2001	9.38	9.48	9.38	9.45
874	NASDAQ	IOSP	Thu, Nov 8, 2001	9.49	9.49	9.36	9.36
873	NASDAQ	IOSP	Wed, Nov 7, 2001	9.50	9.55	9.44	9.44
872	NASDAQ	IOSP	Tue, Nov 6, 2001	9.49	9.60	9.38	9.57
871	NASDAQ	IOSP	Mon, Nov 5, 2001	9.43	9.55	9.43	9.50
870	NASDAQ	IOSP	Fri, Nov 2, 2001	9.58	9.58	9.48	9.48
869	NASDAQ	IOSP	Thu, Nov 1, 2001	9.50	9.58	9.45	9.50
868	NASDAQ	IOSP	Wed, Oct 31, 2001	9.51	9.59	9.51	9.59
867	NASDAQ	IOSP	Tue, Oct 30, 2001	9.40	9.50	9.38	9.50
866	NASDAQ	IOSP	Mon, Oct 29, 2001	9.53	9.58	9.45	9.45
865	NASDAQ	IOSP	Fri, Oct 26, 2001	9.51	9.55	9.48	9.48
864	NASDAQ	IOSP	Thu, Oct 25, 2001	9.53	9.58	9.49	9.51
863	NASDAQ	IOSP	Wed, Oct 24, 2001	9.45	9.50	9.45	9.49
862	NASDAQ	IOSP	Tue, Oct 23, 2001	9.55	9.55	9.45	9.45
861	NASDAQ	IOSP	Mon, Oct 22, 2001	9.60	9.60	9.48	9.53
860	NASDAQ	IOSP	Fri, Oct 19, 2001	9.48	9.55	9.43	9.55
859	NASDAQ	IOSP	Thu, Oct 18, 2001	9.50	9.60	9.43	9.43
858	NASDAQ	IOSP	Wed, Oct 17, 2001	9.38	9.55	9.38	9.43
857	NASDAQ	IOSP	Tue, Oct 16, 2001	9.44	9.44	9.20	9.40
856	NASDAQ	IOSP	Mon, Oct 15, 2001	9.38	9.55	9.30	9.43
855	NASDAQ	IOSP	Fri, Oct 12, 2001	9.33	9.35	9.28	9.32
854	NASDAQ	IOSP	Thu, Oct 11, 2001	9.23	9.45	9.23	9.32
853	NASDAQ	IOSP	Wed, Oct 10, 2001	9.11	9.22	9.11	9.18
852	NASDAQ	IOSP	Tue, Oct 9, 2001	9.05	9.13	9.05	9.12
851	NASDAQ	IOSP	Mon, Oct 8, 2001	9.25	9.25	9.05	9.05
850	NASDAQ	IOSP	Fri, Oct 5, 2001	9.61	9.61	9.20	9.28
849	NASDAQ	IOSP	Thu, Oct 4, 2001	9.60	9.75	9.54	9.54
848	NASDAQ	IOSP	Wed, Oct 3, 2001	9.25	9.75	9.25	9.55
847	NASDAQ	IOSP	Tue, Oct 2, 2001	9.13	9.30	9.13	9.30
846	NASDAQ	IOSP	Mon, Oct 1, 2001	9.13	9.13	9.08	9.13
845	NASDAQ	IOSP	Fri, Sep 28, 2001	8.90	9.20	8.90	9.13
844	NASDAQ	IOSP	Thu, Sep 27, 2001	8.93	8.93	8.85	8.90
843	NASDAQ	IOSP	Wed, Sep 26, 2001	9.10	9.10	8.75	9.00
842	NASDAQ	IOSP	Tue, Sep 25, 2001	9.05	9.05	9.02	9.03
841	NASDAQ	IOSP	Mon, Sep 24, 2001	9.15	9.23	9.00	9.00
840	NASDAQ	IOSP	Fri, Sep 21, 2001	8.75	9.10	8.63	9.09
839	NASDAQ	IOSP	Thu, Sep 20, 2001	9.30	9.33	9.08	9.08
838	NASDAQ	IOSP	Wed, Sep 19, 2001	9.14	9.28	9.08	9.28
837	NASDAQ	IOSP	Tue, Sep 18, 2001	9.28	9.33	9.08	9.09
836	NASDAQ	IOSP	Mon, Sep 17, 2001	9.26	9.33	9.16	9.20
835	NASDAQ	IOSP	Mon, Sep 10, 2001	9.18	9.33	9.13	9.32
834	NASDAQ	IOSP	Fri, Sep 7, 2001	9.25	9.31	9.13	9.13
833	NASDAQ	IOSP	Thu, Sep 6, 2001	9.19	9.35	9.19	9.29
832	NASDAQ	IOSP	Wed, Sep 5, 2001	9.15	9.19	9.10	9.19
831	NASDAQ	IOSP	Tue, Sep 4, 2001	9.35	9.35	9.24	9.24
830	NASDAQ	IOSP	Fri, Aug 31, 2001	9.30	9.50	9.30	9.35
829	NASDAQ	IOSP	Thu, Aug 30, 2001	9.25	9.27	9.23	9.27
828	NASDAQ	IOSP	Wed, Aug 29, 2001	9.25	9.25	9.15	9.24
827	NASDAQ	IOSP	Tue, Aug 28, 2001	9.24	9.25	9.21	9.25
826	NASDAQ	IOSP	Mon, Aug 27, 2001	9.22	9.25	9.15	9.18
825	NASDAQ	IOSP	Fri, Aug 24, 2001	9.10	9.25	9.10	9.25
824	NASDAQ	IOSP	Thu, Aug 23, 2001	9.14	9.23	9.10	9.15
823	NASDAQ	IOSP	Wed, Aug 22, 2001	9.18	9.18	9.05	9.14
822	NASDAQ	IOSP	Tue, Aug 21, 2001	9.20	9.23	9.20	9.20
821	NASDAQ	IOSP	Mon, Aug 20, 2001	9.10	9.20	9.10	9.20
820	NASDAQ	IOSP	Fri, Aug 17, 2001	9.18	9.18	9.13	9.13
819	NASDAQ	IOSP	Thu, Aug 16, 2001	9.21	9.21	9.18	9.18
818	NASDAQ	IOSP	Wed, Aug 15, 2001	9.23	9.23	9.13	9.20
817	NASDAQ	IOSP	Tue, Aug 14, 2001	9.18	9.25	9.18	9.24
816	NASDAQ	IOSP	Mon, Aug 13, 2001	8.90	9.25	8.90	9.18
815	NASDAQ	IOSP	Fri, Aug 10, 2001	8.93	9.01	8.85	8.98
814	NASDAQ	IOSP	Thu, Aug 9, 2001	8.78	8.85	8.76	8.85
813	NASDAQ	IOSP	Wed, Aug 8, 2001	8.85	8.88	8.78	8.84
812	NASDAQ	IOSP	Tue, Aug 7, 2001	8.90	8.97	8.88	8.91
811	NASDAQ	IOSP	Mon, Aug 6, 2001	8.98	9.00	8.88	8.95
810	NASDAQ	IOSP	Fri, Aug 3, 2001	8.93	9.00	8.86	8.93
809	NASDAQ	IOSP	Thu, Aug 2, 2001	8.88	9.01	8.83	8.83
808	NASDAQ	IOSP	Wed, Aug 1, 2001	8.90	9.00	8.65	8.95
807	NASDAQ	IOSP	Tue, Jul 31, 2001	8.85	9.15	8.85	8.90
806	NASDAQ	IOSP	Mon, Jul 30, 2001	8.80	8.90	8.80	8.90
805	NASDAQ	IOSP	Fri, Jul 27, 2001	8.68	8.87	8.50	8.78
804	NASDAQ	IOSP	Thu, Jul 26, 2001	8.80	8.88	8.59	8.73
803	NASDAQ	IOSP	Wed, Jul 25, 2001	8.70	8.89	8.70	8.85
802	NASDAQ	IOSP	Tue, Jul 24, 2001	8.69	8.70	8.59	8.68
801	NASDAQ	IOSP	Mon, Jul 23, 2001	8.64	8.70	8.45	8.68
800	NASDAQ	IOSP	Fri, Jul 20, 2001	8.44	8.70	8.44	8.64
799	NASDAQ	IOSP	Thu, Jul 19, 2001	8.48	8.55	8.43	8.44
798	NASDAQ	IOSP	Wed, Jul 18, 2001	8.55	8.58	8.43	8.45
797	NASDAQ	IOSP	Tue, Jul 17, 2001	8.39	8.55	8.39	8.55
796	NASDAQ	IOSP	Mon, Jul 16, 2001	8.55	8.58	8.31	8.38
795	NASDAQ	IOSP	Fri, Jul 13, 2001	8.35	8.65	8.31	8.60
794	NASDAQ	IOSP	Thu, Jul 12, 2001	8.28	8.38	8.26	8.30
793	NASDAQ	IOSP	Wed, Jul 11, 2001	8.30	8.36	8.17	8.23
792	NASDAQ	IOSP	Tue, Jul 10, 2001	8.43	8.45	8.35	8.35
791	NASDAQ	IOSP	Mon, Jul 9, 2001	8.36	8.44	8.36	8.36
790	NASDAQ	IOSP	Fri, Jul 6, 2001	8.40	8.42	8.36	8.37
789	NASDAQ	IOSP	Thu, Jul 5, 2001	8.38	8.58	8.38	8.43
788	NASDAQ	IOSP	Tue, Jul 3, 2001	8.36	8.38	8.36	8.38
787	NASDAQ	IOSP	Mon, Jul 2, 2001	8.35	8.55	8.20	8.36
786	NASDAQ	IOSP	Fri, Jun 29, 2001	8.73	8.90	8.12	8.13
785	NASDAQ	IOSP	Thu, Jun 28, 2001	8.90	8.90	8.68	8.74
784	NASDAQ	IOSP	Wed, Jun 27, 2001	8.83	8.90	8.75	8.82
783	NASDAQ	IOSP	Tue, Jun 26, 2001	8.90	8.92	8.85	8.92
782	NASDAQ	IOSP	Mon, Jun 25, 2001	8.80	8.99	8.80	8.94
781	NASDAQ	IOSP	Fri, Jun 22, 2001	8.75	8.75	8.74	8.75
780	NASDAQ	IOSP	Thu, Jun 21, 2001	8.75	8.75	8.70	8.74
779	NASDAQ	IOSP	Wed, Jun 20, 2001	8.70	8.87	8.70	8.75
778	NASDAQ	IOSP	Tue, Jun 19, 2001	8.82	8.82	8.69	8.75
777	NASDAQ	IOSP	Mon, Jun 18, 2001	8.95	8.95	8.74	8.75
776	NASDAQ	IOSP	Fri, Jun 15, 2001	8.74	8.95	8.73	8.95
775	NASDAQ	IOSP	Thu, Jun 14, 2001	8.70	8.75	8.51	8.73
774	NASDAQ	IOSP	Wed, Jun 13, 2001	8.80	8.94	8.75	8.75
773	NASDAQ	IOSP	Tue, Jun 12, 2001	8.93	8.93	8.82	8.88
772	NASDAQ	IOSP	Mon, Jun 11, 2001	8.53	8.85	8.53	8.85
771	NASDAQ	IOSP	Fri, Jun 8, 2001	8.55	8.60	8.51	8.51
770	NASDAQ	IOSP	Thu, Jun 7, 2001	8.28	8.55	8.28	8.55
769	NASDAQ	IOSP	Wed, Jun 6, 2001	8.53	8.53	8.00	8.33
768	NASDAQ	IOSP	Tue, Jun 5, 2001	8.63	8.66	8.56	8.57
767	NASDAQ	IOSP	Mon, Jun 4, 2001	8.90	8.90	8.57	8.68
766	NASDAQ	IOSP	Fri, Jun 1, 2001	9.07	9.07	9.00	9.05
765	NASDAQ	IOSP	Thu, May 31, 2001	8.95	9.08	8.95	9.07
764	NASDAQ	IOSP	Wed, May 30, 2001	8.50	9.00	8.50	8.95
763	NASDAQ	IOSP	Tue, May 29, 2001	8.25	8.50	8.25	8.50
762	NASDAQ	IOSP	Fri, May 25, 2001	8.25	8.28	8.20	8.23
761	NASDAQ	IOSP	Thu, May 24, 2001	7.93	8.38	7.91	8.26
760	NASDAQ	IOSP	Wed, May 23, 2001	7.70	7.93	7.70	7.93
759	NASDAQ	IOSP	Tue, May 22, 2001	7.62	7.73	7.60	7.69
758	NASDAQ	IOSP	Mon, May 21, 2001	7.56	7.65	7.56	7.65
757	NASDAQ	IOSP	Fri, May 18, 2001	7.51	7.57	7.51	7.57
756	NASDAQ	IOSP	Thu, May 17, 2001	7.53	7.53	7.50	7.51
755	NASDAQ	IOSP	Wed, May 16, 2001	7.63	7.63	7.53	7.53
754	NASDAQ	IOSP	Tue, May 15, 2001	7.43	7.73	7.43	7.63
753	NASDAQ	IOSP	Mon, May 14, 2001	6.83	7.55	6.83	7.43
752	NASDAQ	IOSP	Fri, May 11, 2001	6.68	6.79	6.68	6.78
751	NASDAQ	IOSP	Thu, May 10, 2001	6.51	6.70	6.51	6.63
750	NASDAQ	IOSP	Wed, May 9, 2001	6.20	6.48	6.20	6.48
749	NASDAQ	IOSP	Tue, May 8, 2001	6.15	6.21	6.15	6.21
748	NASDAQ	IOSP	Mon, May 7, 2001	6.14	6.18	6.13	6.15
747	NASDAQ	IOSP	Fri, May 4, 2001	6.20	6.22	6.15	6.15
746	NASDAQ	IOSP	Thu, May 3, 2001	6.20	6.20	6.13	6.13
745	NASDAQ	IOSP	Wed, May 2, 2001	6.10	6.20	6.10	6.15
744	NASDAQ	IOSP	Tue, May 1, 2001	6.08	6.15	6.00	6.13
743	NASDAQ	IOSP	Mon, Apr 30, 2001	6.05	6.05	6.03	6.05
742	NASDAQ	IOSP	Fri, Apr 27, 2001	6.07	6.07	6.01	6.01
741	NASDAQ	IOSP	Thu, Apr 26, 2001	6.03	6.09	6.03	6.09
740	NASDAQ	IOSP	Wed, Apr 25, 2001	6.06	6.06	6.03	6.03
739	NASDAQ	IOSP	Tue, Apr 24, 2001	6.08	6.08	6.03	6.04
738	NASDAQ	IOSP	Mon, Apr 23, 2001	6.10	6.10	6.03	6.04
737	NASDAQ	IOSP	Fri, Apr 20, 2001	6.10	6.15	6.05	6.13
736	NASDAQ	IOSP	Thu, Apr 19, 2001	6.00	6.10	6.00	6.05
735	NASDAQ	IOSP	Wed, Apr 18, 2001	6.10	6.10	6.01	6.01
734	NASDAQ	IOSP	Tue, Apr 17, 2001	6.03	6.15	6.00	6.15
733	NASDAQ	IOSP	Mon, Apr 16, 2001	6.03	6.03	6.00	6.00
732	NASDAQ	IOSP	Thu, Apr 12, 2001	6.08	6.15	6.03	6.03
731	NASDAQ	IOSP	Wed, Apr 11, 2001	6.10	6.10	6.05	6.10
730	NASDAQ	IOSP	Tue, Apr 10, 2001	5.90	6.08	5.90	6.08
729	NASDAQ	IOSP	Mon, Apr 9, 2001	5.70	5.90	5.70	5.90
728	NASDAQ	IOSP	Fri, Apr 6, 2001	5.69	5.73	5.69	5.70
727	NASDAQ	IOSP	Thu, Apr 5, 2001	5.83	5.83	5.60	5.70
726	NASDAQ	IOSP	Wed, Apr 4, 2001	5.88	5.88	5.85	5.85
725	NASDAQ	IOSP	Tue, Apr 3, 2001	5.88	5.93	5.88	5.88
724	NASDAQ	IOSP	Mon, Apr 2, 2001	5.85	5.85	5.85	5.85
723	NASDAQ	IOSP	Fri, Mar 30, 2001	5.83	5.83	5.80	5.80
722	NASDAQ	IOSP	Thu, Mar 29, 2001	5.85	5.85	5.80	5.80
721	NASDAQ	IOSP	Wed, Mar 28, 2001	5.91	5.93	5.91	5.93
720	NASDAQ	IOSP	Tue, Mar 27, 2001	5.95	5.95	5.90	5.95
719	NASDAQ	IOSP	Mon, Mar 26, 2001	5.88	5.98	5.88	5.95
718	NASDAQ	IOSP	Fri, Mar 23, 2001	5.83	5.83	5.80	5.80
717	NASDAQ	IOSP	Thu, Mar 22, 2001	5.88	5.90	5.87	5.87
716	NASDAQ	IOSP	Wed, Mar 21, 2001	5.90	5.90	5.83	5.85
715	NASDAQ	IOSP	Tue, Mar 20, 2001	5.83	5.90	5.83	5.90
714	NASDAQ	IOSP	Mon, Mar 19, 2001	5.85	5.88	5.85	5.88
713	NASDAQ	IOSP	Fri, Mar 16, 2001	6.00	6.00	5.78	5.80
712	NASDAQ	IOSP	Thu, Mar 15, 2001	6.23	6.23	6.00	6.00
711	NASDAQ	IOSP	Wed, Mar 14, 2001	6.35	6.37	6.25	6.25
710	NASDAQ	IOSP	Tue, Mar 13, 2001	6.33	6.43	6.32	6.40
709	NASDAQ	IOSP	Mon, Mar 12, 2001	6.50	6.51	6.41	6.41
708	NASDAQ	IOSP	Fri, Mar 9, 2001	6.51	6.51	6.49	6.50
707	NASDAQ	IOSP	Thu, Mar 8, 2001	6.55	6.55	6.55	6.55
706	NASDAQ	IOSP	Wed, Mar 7, 2001	6.53	6.53	6.51	6.51
705	NASDAQ	IOSP	Tue, Mar 6, 2001	6.50	6.55	6.50	6.55
704	NASDAQ	IOSP	Mon, Mar 5, 2001	6.53	6.53	6.53	6.53
703	NASDAQ	IOSP	Fri, Mar 2, 2001	6.53	6.53	6.53	6.53
702	NASDAQ	IOSP	Thu, Mar 1, 2001	6.55	6.58	6.53	6.53
701	NASDAQ	IOSP	Wed, Feb 28, 2001	6.53	6.59	6.53	6.59
700	NASDAQ	IOSP	Tue, Feb 27, 2001	6.56	6.56	6.55	6.55
699	NASDAQ	IOSP	Mon, Feb 26, 2001	6.58	6.58	6.58	6.58
698	NASDAQ	IOSP	Fri, Feb 23, 2001	6.58	6.58	6.58	6.58
697	NASDAQ	IOSP	Thu, Feb 22, 2001	6.58	6.58	6.58	6.58
696	NASDAQ	IOSP	Wed, Feb 21, 2001	6.60	6.60	6.60	6.60
695	NASDAQ	IOSP	Tue, Feb 20, 2001	6.58	6.70	6.58	6.65
694	NASDAQ	IOSP	Fri, Feb 16, 2001	6.55	6.56	6.55	6.56
693	NASDAQ	IOSP	Thu, Feb 15, 2001	6.58	6.58	6.51	6.55
692	NASDAQ	IOSP	Wed, Feb 14, 2001	6.65	6.68	6.55	6.60
691	NASDAQ	IOSP	Tue, Feb 13, 2001	6.53	6.75	6.53	6.75
690	NASDAQ	IOSP	Mon, Feb 12, 2001	6.60	6.60	6.50	6.50
689	NASDAQ	IOSP	Fri, Feb 9, 2001	6.75	6.75	6.68	6.68
688	NASDAQ	IOSP	Thu, Feb 8, 2001	6.75	6.75	6.75	6.75
687	NASDAQ	IOSP	Wed, Feb 7, 2001	6.50	6.78	6.50	6.75
686	NASDAQ	IOSP	Tue, Feb 6, 2001	6.55	6.55	6.50	6.50
685	NASDAQ	IOSP	Mon, Feb 5, 2001	6.50	6.60	6.50	6.60
684	NASDAQ	IOSP	Fri, Feb 2, 2001	6.50	6.50	6.50	6.50
683	NASDAQ	IOSP	Thu, Feb 1, 2001	6.58	6.58	6.38	6.50
682	NASDAQ	IOSP	Wed, Jan 31, 2001	6.58	6.58	6.53	6.53
681	NASDAQ	IOSP	Tue, Jan 30, 2001	6.73	6.73	6.55	6.55
680	NASDAQ	IOSP	Mon, Jan 29, 2001	6.80	6.83	6.68	6.75
679	NASDAQ	IOSP	Fri, Jan 26, 2001	7.03	7.03	6.88	6.88
678	NASDAQ	IOSP	Thu, Jan 25, 2001	6.97	7.09	6.97	7.09
677	NASDAQ	IOSP	Wed, Jan 24, 2001	7.06	7.13	7.00	7.00
676	NASDAQ	IOSP	Tue, Jan 23, 2001	7.00	7.22	7.00	7.06
675	NASDAQ	IOSP	Mon, Jan 22, 2001	6.84	6.94	6.84	6.94
674	NASDAQ	IOSP	Fri, Jan 19, 2001	6.56	6.88	6.56	6.88
673	NASDAQ	IOSP	Thu, Jan 18, 2001	6.50	6.50	6.44	6.44
672	NASDAQ	IOSP	Wed, Jan 17, 2001	6.56	6.56	6.50	6.50
671	NASDAQ	IOSP	Tue, Jan 16, 2001	6.44	6.56	6.44	6.50
670	NASDAQ	IOSP	Fri, Jan 12, 2001	6.38	6.38	6.38	6.38
669	NASDAQ	IOSP	Thu, Jan 11, 2001	6.41	6.44	6.38	6.38
668	NASDAQ	IOSP	Wed, Jan 10, 2001	6.34	6.44	6.34	6.44
667	NASDAQ	IOSP	Tue, Jan 9, 2001	6.28	6.34	6.28	6.34
666	NASDAQ	IOSP	Mon, Jan 8, 2001	6.31	6.31	6.28	6.31
665	NASDAQ	IOSP	Fri, Jan 5, 2001	6.28	6.38	6.25	6.25
664	NASDAQ	IOSP	Thu, Jan 4, 2001	6.22	6.31	6.22	6.31
663	NASDAQ	IOSP	Wed, Jan 3, 2001	6.00	6.22	6.00	6.16
662	NASDAQ	IOSP	Tue, Jan 2, 2001	5.81	6.00	5.81	6.00
661	NASDAQ	IOSP	Fri, Dec 29, 2000	5.69	5.75	5.69	5.75
660	NASDAQ	IOSP	Thu, Dec 28, 2000	5.69	5.75	5.66	5.69
659	NASDAQ	IOSP	Wed, Dec 27, 2000	5.66	5.69	5.66	5.69
658	NASDAQ	IOSP	Tue, Dec 26, 2000	5.66	5.66	5.66	5.66
657	NASDAQ	IOSP	Fri, Dec 22, 2000	5.66	5.66	5.63	5.66
656	NASDAQ	IOSP	Thu, Dec 21, 2000	5.59	5.69	5.56	5.69
655	NASDAQ	IOSP	Wed, Dec 20, 2000	5.47	5.63	5.44	5.63
654	NASDAQ	IOSP	Tue, Dec 19, 2000	5.50	5.50	5.38	5.41
653	NASDAQ	IOSP	Mon, Dec 18, 2000	5.50	5.50	5.50	5.50
652	NASDAQ	IOSP	Fri, Dec 15, 2000	5.47	5.63	5.47	5.50
651	NASDAQ	IOSP	Thu, Dec 14, 2000	5.41	5.50	5.41	5.50
650	NASDAQ	IOSP	Wed, Dec 13, 2000	5.59	5.59	5.41	5.41
649	NASDAQ	IOSP	Tue, Dec 12, 2000	5.56	5.63	5.56	5.63
648	NASDAQ	IOSP	Mon, Dec 11, 2000	5.81	5.81	5.50	5.56
647	NASDAQ	IOSP	Fri, Dec 8, 2000	6.00	6.00	5.88	5.88
646	NASDAQ	IOSP	Thu, Dec 7, 2000	6.16	6.16	6.00	6.00
645	NASDAQ	IOSP	Wed, Dec 6, 2000	6.25	6.25	6.19	6.22
644	NASDAQ	IOSP	Tue, Dec 5, 2000	6.34	6.34	6.22	6.22
643	NASDAQ	IOSP	Mon, Dec 4, 2000	6.38	6.38	6.34	6.34
642	NASDAQ	IOSP	Fri, Dec 1, 2000	6.25	6.38	6.25	6.38
641	NASDAQ	IOSP	Thu, Nov 30, 2000	6.47	6.47	6.25	6.25
640	NASDAQ	IOSP	Wed, Nov 29, 2000	6.44	6.47	6.44	6.47
639	NASDAQ	IOSP	Tue, Nov 28, 2000	6.44	6.50	6.44	6.44
638	NASDAQ	IOSP	Mon, Nov 27, 2000	6.00	6.47	6.00	6.38
637	NASDAQ	IOSP	Fri, Nov 24, 2000	6.06	6.06	6.00	6.00
636	NASDAQ	IOSP	Tue, Nov 21, 2000	5.88	6.06	5.81	6.00
635	NASDAQ	IOSP	Mon, Nov 20, 2000	5.88	6.00	5.88	5.94
634	NASDAQ	IOSP	Fri, Nov 17, 2000	5.88	5.94	5.88	5.91
633	NASDAQ	IOSP	Thu, Nov 16, 2000	5.88	5.88	5.88	5.88
632	NASDAQ	IOSP	Wed, Nov 15, 2000	5.81	5.88	5.81	5.88
631	NASDAQ	IOSP	Tue, Nov 14, 2000	5.88	5.88	5.88	5.88
630	NASDAQ	IOSP	Mon, Nov 13, 2000	5.88	5.91	5.88	5.91
629	NASDAQ	IOSP	Fri, Nov 10, 2000	5.88	5.91	5.88	5.88
628	NASDAQ	IOSP	Thu, Nov 9, 2000	5.88	5.91	5.88	5.88
627	NASDAQ	IOSP	Wed, Nov 8, 2000	5.94	5.94	5.91	5.91
626	NASDAQ	IOSP	Tue, Nov 7, 2000	6.00	6.00	5.88	5.88
625	NASDAQ	IOSP	Fri, Nov 3, 2000	5.94	6.03	5.94	6.03
624	NASDAQ	IOSP	Thu, Nov 2, 2000	5.97	6.00	5.94	5.94
623	NASDAQ	IOSP	Wed, Nov 1, 2000	5.94	6.00	5.94	6.00
622	NASDAQ	IOSP	Tue, Oct 31, 2000	5.81	5.97	5.81	5.97
621	NASDAQ	IOSP	Mon, Oct 30, 2000	6.03	6.03	5.81	5.81
620	NASDAQ	IOSP	Fri, Oct 27, 2000	6.06	6.16	6.00	6.06
619	NASDAQ	IOSP	Thu, Oct 26, 2000	6.00	6.06	6.00	6.06
618	NASDAQ	IOSP	Tue, Oct 24, 2000	5.81	6.00	5.81	5.94
617	NASDAQ	IOSP	Mon, Oct 23, 2000	5.88	5.88	5.75	5.75
616	NASDAQ	IOSP	Fri, Oct 20, 2000	6.00	6.00	5.81	5.94
615	NASDAQ	IOSP	Thu, Oct 19, 2000	5.75	6.00	5.75	6.00
614	NASDAQ	IOSP	Wed, Oct 18, 2000	5.63	5.81	5.50	5.81
613	NASDAQ	IOSP	Tue, Oct 17, 2000	5.56	5.69	5.50	5.56
612	NASDAQ	IOSP	Mon, Oct 16, 2000	5.00	5.50	5.00	5.50
611	NASDAQ	IOSP	Fri, Oct 13, 2000	4.78	4.97	4.78	4.97
610	NASDAQ	IOSP	Thu, Oct 12, 2000	4.81	4.81	4.81	4.81
609	NASDAQ	IOSP	Wed, Oct 11, 2000	4.75	4.84	4.75	4.84
608	NASDAQ	IOSP	Tue, Oct 10, 2000	4.78	4.78	4.78	4.78
607	NASDAQ	IOSP	Mon, Oct 9, 2000	4.81	4.81	4.78	4.78
606	NASDAQ	IOSP	Fri, Oct 6, 2000	4.81	4.88	4.81	4.81
605	NASDAQ	IOSP	Thu, Oct 5, 2000	4.78	4.84	4.78	4.84
604	NASDAQ	IOSP	Wed, Oct 4, 2000	4.78	4.78	4.78	4.78
603	NASDAQ	IOSP	Tue, Oct 3, 2000	4.78	4.84	4.78	4.84
602	NASDAQ	IOSP	Mon, Oct 2, 2000	4.75	4.81	4.75	4.78
601	NASDAQ	IOSP	Fri, Sep 29, 2000	4.75	4.75	4.69	4.69
600	NASDAQ	IOSP	Thu, Sep 28, 2000	4.72	4.78	4.72	4.75
599	NASDAQ	IOSP	Wed, Sep 27, 2000	4.78	4.78	4.72	4.72
598	NASDAQ	IOSP	Tue, Sep 26, 2000	4.72	4.72	4.72	4.72
597	NASDAQ	IOSP	Mon, Sep 25, 2000	4.66	4.66	4.66	4.66
596	NASDAQ	IOSP	Fri, Sep 22, 2000	4.50	4.69	4.50	4.66
595	NASDAQ	IOSP	Thu, Sep 21, 2000	4.56	4.59	4.56	4.56
594	NASDAQ	IOSP	Wed, Sep 20, 2000	4.56	4.56	4.56	4.56
593	NASDAQ	IOSP	Tue, Sep 19, 2000	4.50	4.56	4.50	4.56
592	NASDAQ	IOSP	Fri, Sep 15, 2000	4.50	4.50	4.50	4.50
591	NASDAQ	IOSP	Thu, Sep 14, 2000	4.50	4.50	4.50	4.50
590	NASDAQ	IOSP	Wed, Sep 13, 2000	4.50	4.50	4.50	4.50
589	NASDAQ	IOSP	Tue, Sep 12, 2000	4.44	4.50	4.44	4.50
588	NASDAQ	IOSP	Mon, Sep 11, 2000	4.47	4.47	4.44	4.44
587	NASDAQ	IOSP	Fri, Sep 8, 2000	4.44	4.50	4.44	4.50
586	NASDAQ	IOSP	Thu, Sep 7, 2000	4.34	4.50	4.31	4.44
585	NASDAQ	IOSP	Wed, Sep 6, 2000	4.38	4.38	4.38	4.38
584	NASDAQ	IOSP	Tue, Sep 5, 2000	4.31	4.34	4.28	4.28
583	NASDAQ	IOSP	Fri, Sep 1, 2000	4.31	4.31	4.31	4.31
582	NASDAQ	IOSP	Thu, Aug 31, 2000	4.28	4.34	4.28	4.31
581	NASDAQ	IOSP	Wed, Aug 30, 2000	4.34	4.34	4.34	4.34
580	NASDAQ	IOSP	Tue, Aug 29, 2000	4.28	4.31	4.25	4.28
579	NASDAQ	IOSP	Mon, Aug 28, 2000	4.28	4.28	4.28	4.28
578	NASDAQ	IOSP	Fri, Aug 25, 2000	4.34	4.34	4.28	4.28
577	NASDAQ	IOSP	Thu, Aug 24, 2000	4.31	4.31	4.31	4.31
576	NASDAQ	IOSP	Wed, Aug 23, 2000	4.34	4.38	4.31	4.31
575	NASDAQ	IOSP	Tue, Aug 22, 2000	4.31	4.38	4.28	4.34
574	NASDAQ	IOSP	Mon, Aug 21, 2000	4.34	4.34	4.31	4.31
573	NASDAQ	IOSP	Fri, Aug 18, 2000	4.22	4.28	4.22	4.28
572	NASDAQ	IOSP	Thu, Aug 17, 2000	4.19	4.25	4.19	4.25
571	NASDAQ	IOSP	Wed, Aug 16, 2000	4.13	4.19	4.13	4.19
570	NASDAQ	IOSP	Tue, Aug 15, 2000	4.25	4.25	4.16	4.19
569	NASDAQ	IOSP	Mon, Aug 14, 2000	4.38	4.38	4.28	4.28
568	NASDAQ	IOSP	Fri, Aug 11, 2000	4.53	4.53	4.44	4.44
567	NASDAQ	IOSP	Thu, Aug 10, 2000	4.69	4.69	4.56	4.59
566	NASDAQ	IOSP	Wed, Aug 9, 2000	4.75	4.75	4.69	4.69
565	NASDAQ	IOSP	Tue, Aug 8, 2000	4.78	4.78	4.75	4.78
564	NASDAQ	IOSP	Mon, Aug 7, 2000	4.63	4.84	4.56	4.81
563	NASDAQ	IOSP	Fri, Aug 4, 2000	4.44	4.63	4.44	4.63
562	NASDAQ	IOSP	Thu, Aug 3, 2000	4.38	4.44	4.38	4.44
561	NASDAQ	IOSP	Wed, Aug 2, 2000	4.41	4.44	4.38	4.38
560	NASDAQ	IOSP	Tue, Aug 1, 2000	4.34	4.38	4.31	4.34
559	NASDAQ	IOSP	Mon, Jul 31, 2000	4.19	4.31	4.19	4.28
558	NASDAQ	IOSP	Fri, Jul 28, 2000	4.22	4.22	4.22	4.22
557	NASDAQ	IOSP	Thu, Jul 27, 2000	4.25	4.28	4.13	4.22
556	NASDAQ	IOSP	Wed, Jul 26, 2000	4.28	4.34	4.22	4.22
555	NASDAQ	IOSP	Tue, Jul 25, 2000	4.22	4.31	4.22	4.28
554	NASDAQ	IOSP	Mon, Jul 24, 2000	4.00	4.25	4.00	4.16
553	NASDAQ	IOSP	Fri, Jul 21, 2000	3.94	4.00	3.94	4.00
552	NASDAQ	IOSP	Thu, Jul 20, 2000	3.94	3.94	3.94	3.94
551	NASDAQ	IOSP	Wed, Jul 19, 2000	4.03	4.03	3.94	3.94
550	NASDAQ	IOSP	Tue, Jul 18, 2000	4.03	4.03	3.94	3.97
549	NASDAQ	IOSP	Mon, Jul 17, 2000	4.09	4.09	3.97	3.97
548	NASDAQ	IOSP	Fri, Jul 14, 2000	4.09	4.09	4.06	4.06
547	NASDAQ	IOSP	Thu, Jul 13, 2000	4.09	4.16	4.06	4.13
546	NASDAQ	IOSP	Wed, Jul 12, 2000	4.03	4.13	4.03	4.13
545	NASDAQ	IOSP	Tue, Jul 11, 2000	4.06	4.09	4.03	4.06
544	NASDAQ	IOSP	Mon, Jul 10, 2000	4.06	4.06	4.06	4.06
543	NASDAQ	IOSP	Fri, Jul 7, 2000	4.03	4.16	4.03	4.06
542	NASDAQ	IOSP	Thu, Jul 6, 2000	4.06	4.13	4.06	4.06
541	NASDAQ	IOSP	Wed, Jul 5, 2000	3.94	4.13	3.94	4.06
540	NASDAQ	IOSP	Mon, Jul 3, 2000	3.94	3.97	3.94	3.94
539	NASDAQ	IOSP	Fri, Jun 30, 2000	4.00	4.13	3.91	3.91
538	NASDAQ	IOSP	Thu, Jun 29, 2000	4.06	4.19	4.00	4.03
537	NASDAQ	IOSP	Wed, Jun 28, 2000	4.00	4.06	4.00	4.00
536	NASDAQ	IOSP	Tue, Jun 27, 2000	4.00	4.06	4.00	4.00
535	NASDAQ	IOSP	Mon, Jun 26, 2000	4.00	4.00	4.00	4.00
534	NASDAQ	IOSP	Fri, Jun 23, 2000	4.00	4.03	4.00	4.00
533	NASDAQ	IOSP	Thu, Jun 22, 2000	4.03	4.06	4.00	4.03
532	NASDAQ	IOSP	Wed, Jun 21, 2000	4.03	4.03	4.00	4.03
531	NASDAQ	IOSP	Tue, Jun 20, 2000	4.03	4.06	4.03	4.03
530	NASDAQ	IOSP	Mon, Jun 19, 2000	4.06	4.06	4.00	4.03
529	NASDAQ	IOSP	Fri, Jun 16, 2000	4.06	4.06	4.03	4.03
528	NASDAQ	IOSP	Thu, Jun 15, 2000	4.19	4.19	4.06	4.06
527	NASDAQ	IOSP	Wed, Jun 14, 2000	4.06	4.06	4.03	4.06
526	NASDAQ	IOSP	Tue, Jun 13, 2000	4.06	4.06	4.03	4.03
525	NASDAQ	IOSP	Mon, Jun 12, 2000	4.03	4.06	4.03	4.06
524	NASDAQ	IOSP	Fri, Jun 9, 2000	4.03	4.06	4.03	4.06
523	NASDAQ	IOSP	Thu, Jun 8, 2000	4.03	4.06	4.03	4.03
522	NASDAQ	IOSP	Wed, Jun 7, 2000	4.03	4.13	4.03	4.03
521	NASDAQ	IOSP	Tue, Jun 6, 2000	4.16	4.16	4.03	4.03
520	NASDAQ	IOSP	Mon, Jun 5, 2000	4.06	4.16	4.00	4.16
519	NASDAQ	IOSP	Fri, Jun 2, 2000	4.09	4.13	4.03	4.06
518	NASDAQ	IOSP	Thu, Jun 1, 2000	3.97	4.06	3.97	4.03
517	NASDAQ	IOSP	Wed, May 31, 2000	4.00	4.03	3.97	3.97
516	NASDAQ	IOSP	Tue, May 30, 2000	4.00	4.06	4.00	4.06
515	NASDAQ	IOSP	Fri, May 26, 2000	3.97	4.06	3.97	4.03
514	NASDAQ	IOSP	Thu, May 25, 2000	4.00	4.03	3.97	3.97
513	NASDAQ	IOSP	Wed, May 24, 2000	4.06	4.06	3.94	3.94
512	NASDAQ	IOSP	Tue, May 23, 2000	4.06	4.13	4.03	4.03
511	NASDAQ	IOSP	Mon, May 22, 2000	4.06	4.16	4.00	4.03
510	NASDAQ	IOSP	Fri, May 19, 2000	3.94	4.03	3.94	4.03
509	NASDAQ	IOSP	Thu, May 18, 2000	4.00	4.06	4.00	4.00
508	NASDAQ	IOSP	Wed, May 17, 2000	4.06	4.06	4.00	4.00
507	NASDAQ	IOSP	Tue, May 16, 2000	4.09	4.13	4.06	4.09
506	NASDAQ	IOSP	Mon, May 15, 2000	4.03	4.09	4.03	4.06
505	NASDAQ	IOSP	Fri, May 12, 2000	4.00	4.09	4.00	4.00
504	NASDAQ	IOSP	Thu, May 11, 2000	3.97	4.06	3.97	4.00
503	NASDAQ	IOSP	Wed, May 10, 2000	3.97	4.06	3.97	4.00
502	NASDAQ	IOSP	Tue, May 9, 2000	3.97	4.00	3.88	3.91
501	NASDAQ	IOSP	Mon, May 8, 2000	4.03	4.03	3.94	3.94
500	NASDAQ	IOSP	Fri, May 5, 2000	3.94	4.06	3.94	4.03
499	NASDAQ	IOSP	Thu, May 4, 2000	4.00	4.03	4.00	4.00
498	NASDAQ	IOSP	Wed, May 3, 2000	4.25	4.28	3.84	4.06
497	NASDAQ	IOSP	Tue, May 2, 2000	4.28	4.38	4.27	4.31
496	NASDAQ	IOSP	Mon, May 1, 2000	4.69	4.69	4.25	4.25
495	NASDAQ	IOSP	Fri, Apr 28, 2000	4.63	4.66	4.56	4.66
494	NASDAQ	IOSP	Thu, Apr 27, 2000	4.75	4.78	4.63	4.63
493	NASDAQ	IOSP	Wed, Apr 26, 2000	4.84	4.84	4.78	4.78
492	NASDAQ	IOSP	Tue, Apr 25, 2000	4.84	4.88	4.81	4.84
491	NASDAQ	IOSP	Mon, Apr 24, 2000	4.84	4.88	4.84	4.84
490	NASDAQ	IOSP	Thu, Apr 20, 2000	4.81	4.88	4.81	4.84
489	NASDAQ	IOSP	Wed, Apr 19, 2000	4.75	4.81	4.75	4.81
488	NASDAQ	IOSP	Tue, Apr 18, 2000	4.59	4.75	4.59	4.75
487	NASDAQ	IOSP	Mon, Apr 17, 2000	4.56	4.72	4.56	4.59
486	NASDAQ	IOSP	Fri, Apr 14, 2000	4.78	4.81	4.56	4.56
485	NASDAQ	IOSP	Thu, Apr 13, 2000	4.84	4.84	4.75	4.75
484	NASDAQ	IOSP	Wed, Apr 12, 2000	4.91	4.91	4.75	4.84
483	NASDAQ	IOSP	Tue, Apr 11, 2000	4.84	4.97	4.81	4.91
482	NASDAQ	IOSP	Mon, Apr 10, 2000	5.00	5.00	4.84	4.84
481	NASDAQ	IOSP	Fri, Apr 7, 2000	4.94	5.00	4.94	5.00
480	NASDAQ	IOSP	Thu, Apr 6, 2000	5.00	5.00	4.97	4.97
479	NASDAQ	IOSP	Wed, Apr 5, 2000	5.00	5.00	4.91	5.00
478	NASDAQ	IOSP	Tue, Apr 4, 2000	4.94	5.03	4.78	5.03
477	NASDAQ	IOSP	Mon, Apr 3, 2000	4.88	4.97	4.88	4.97
476	NASDAQ	IOSP	Fri, Mar 31, 2000	4.88	4.91	4.88	4.88
475	NASDAQ	IOSP	Thu, Mar 30, 2000	5.00	5.00	4.91	4.94
474	NASDAQ	IOSP	Wed, Mar 29, 2000	5.06	5.06	4.97	5.00
473	NASDAQ	IOSP	Tue, Mar 28, 2000	5.00	5.13	4.94	5.00
472	NASDAQ	IOSP	Mon, Mar 27, 2000	5.06	5.13	4.94	5.00
471	NASDAQ	IOSP	Fri, Mar 24, 2000	5.19	5.19	5.13	5.13
470	NASDAQ	IOSP	Thu, Mar 23, 2000	4.94	5.13	4.94	5.13
469	NASDAQ	IOSP	Wed, Mar 22, 2000	4.91	5.00	4.91	5.00
468	NASDAQ	IOSP	Tue, Mar 21, 2000	4.94	5.00	4.94	4.97
467	NASDAQ	IOSP	Mon, Mar 20, 2000	5.00	5.00	5.00	5.00
466	NASDAQ	IOSP	Fri, Mar 17, 2000	4.94	5.06	4.94	5.06
465	NASDAQ	IOSP	Thu, Mar 16, 2000	4.88	5.09	4.84	5.00
464	NASDAQ	IOSP	Wed, Mar 15, 2000	5.03	5.03	4.94	4.94
463	NASDAQ	IOSP	Tue, Mar 14, 2000	4.78	5.13	4.78	5.06
462	NASDAQ	IOSP	Mon, Mar 13, 2000	4.81	4.81	4.78	4.78
461	NASDAQ	IOSP	Fri, Mar 10, 2000	4.81	4.88	4.81	4.88
460	NASDAQ	IOSP	Thu, Mar 9, 2000	5.06	5.06	4.88	4.88
459	NASDAQ	IOSP	Wed, Mar 8, 2000	4.94	5.13	4.88	5.06
458	NASDAQ	IOSP	Tue, Mar 7, 2000	4.91	5.03	4.91	5.00
457	NASDAQ	IOSP	Mon, Mar 6, 2000	4.91	5.00	4.88	4.97
456	NASDAQ	IOSP	Fri, Mar 3, 2000	4.81	5.00	4.81	4.97
455	NASDAQ	IOSP	Thu, Mar 2, 2000	4.63	4.88	4.63	4.88
454	NASDAQ	IOSP	Wed, Mar 1, 2000	4.69	4.75	4.69	4.69
453	NASDAQ	IOSP	Tue, Feb 29, 2000	4.19	4.69	4.19	4.69
452	NASDAQ	IOSP	Mon, Feb 28, 2000	4.28	4.28	4.13	4.13
451	NASDAQ	IOSP	Fri, Feb 25, 2000	4.53	4.53	4.25	4.28
450	NASDAQ	IOSP	Thu, Feb 24, 2000	4.69	4.81	4.56	4.59
449	NASDAQ	IOSP	Wed, Feb 23, 2000	4.75	4.75	4.63	4.63
448	NASDAQ	IOSP	Tue, Feb 22, 2000	4.72	4.72	4.56	4.69
447	NASDAQ	IOSP	Fri, Feb 18, 2000	4.75	4.75	4.69	4.69
446	NASDAQ	IOSP	Thu, Feb 17, 2000	4.75	4.81	4.75	4.75
445	NASDAQ	IOSP	Wed, Feb 16, 2000	4.84	5.00	4.81	4.81
444	NASDAQ	IOSP	Tue, Feb 15, 2000	5.03	5.05	4.84	4.84
443	NASDAQ	IOSP	Mon, Feb 14, 2000	5.25	5.28	5.06	5.06
442	NASDAQ	IOSP	Fri, Feb 11, 2000	5.38	5.47	5.25	5.25
441	NASDAQ	IOSP	Thu, Feb 10, 2000	5.34	5.38	5.25	5.38
440	NASDAQ	IOSP	Wed, Feb 9, 2000	5.25	5.31	5.25	5.28
439	NASDAQ	IOSP	Tue, Feb 8, 2000	5.41	5.44	5.25	5.25
438	NASDAQ	IOSP	Mon, Feb 7, 2000	5.50	5.50	5.38	5.41
437	NASDAQ	IOSP	Fri, Feb 4, 2000	5.53	5.66	5.50	5.50
436	NASDAQ	IOSP	Thu, Feb 3, 2000	5.41	5.50	5.34	5.50
435	NASDAQ	IOSP	Wed, Feb 2, 2000	5.41	5.44	5.34	5.44
434	NASDAQ	IOSP	Tue, Feb 1, 2000	5.47	5.47	5.28	5.41
433	NASDAQ	IOSP	Mon, Jan 31, 2000	5.44	5.50	5.34	5.50
432	NASDAQ	IOSP	Fri, Jan 28, 2000	5.22	5.44	5.22	5.41
431	NASDAQ	IOSP	Thu, Jan 27, 2000	5.19	5.25	5.19	5.22
430	NASDAQ	IOSP	Wed, Jan 26, 2000	5.19	5.25	5.19	5.22
429	NASDAQ	IOSP	Tue, Jan 25, 2000	5.56	5.56	5.19	5.19
428	NASDAQ	IOSP	Mon, Jan 24, 2000	5.88	5.88	5.56	5.59
427	NASDAQ	IOSP	Fri, Jan 21, 2000	5.91	5.97	5.88	5.88
426	NASDAQ	IOSP	Thu, Jan 20, 2000	6.13	6.13	5.91	5.94
425	NASDAQ	IOSP	Wed, Jan 19, 2000	6.22	6.22	6.13	6.13
424	NASDAQ	IOSP	Tue, Jan 18, 2000	6.13	6.22	6.13	6.22
423	NASDAQ	IOSP	Fri, Jan 14, 2000	6.25	6.25	6.16	6.16
422	NASDAQ	IOSP	Thu, Jan 13, 2000	6.25	6.25	6.22	6.25
421	NASDAQ	IOSP	Wed, Jan 12, 2000	6.22	6.22	6.13	6.19
420	NASDAQ	IOSP	Tue, Jan 11, 2000	6.25	6.31	6.25	6.28
419	NASDAQ	IOSP	Mon, Jan 10, 2000	6.31	6.38	6.19	6.28
418	NASDAQ	IOSP	Fri, Jan 7, 2000	5.69	6.50	5.69	6.31
417	NASDAQ	IOSP	Thu, Jan 6, 2000	5.22	5.72	5.19	5.72
416	NASDAQ	IOSP	Wed, Jan 5, 2000	5.16	5.25	5.11	5.25
415	NASDAQ	IOSP	Tue, Jan 4, 2000	5.22	5.25	5.16	5.19
414	NASDAQ	IOSP	Mon, Jan 3, 2000	5.31	5.31	5.19	5.25
413	NASDAQ	IOSP	Fri, Dec 31, 1999	5.19	5.28	5.19	5.19
412	NASDAQ	IOSP	Thu, Dec 30, 1999	5.22	5.25	5.16	5.22
411	NASDAQ	IOSP	Wed, Dec 29, 1999	5.06	5.25	5.06	5.22
410	NASDAQ	IOSP	Tue, Dec 28, 1999	5.06	5.13	5.06	5.06
409	NASDAQ	IOSP	Mon, Dec 27, 1999	5.13	5.16	5.06	5.06
408	NASDAQ	IOSP	Thu, Dec 23, 1999	5.06	5.13	5.06	5.09
407	NASDAQ	IOSP	Wed, Dec 22, 1999	5.06	5.13	5.06	5.09
406	NASDAQ	IOSP	Tue, Dec 21, 1999	5.06	5.13	5.06	5.06
405	NASDAQ	IOSP	Mon, Dec 20, 1999	5.16	5.16	5.00	5.06
404	NASDAQ	IOSP	Fri, Dec 17, 1999	5.16	5.19	5.16	5.19
403	NASDAQ	IOSP	Thu, Dec 16, 1999	5.22	5.22	5.13	5.13
402	NASDAQ	IOSP	Wed, Dec 15, 1999	5.25	5.25	5.19	5.25
401	NASDAQ	IOSP	Tue, Dec 14, 1999	5.16	5.28	5.16	5.25
400	NASDAQ	IOSP	Mon, Dec 13, 1999	5.00	5.28	5.00	5.16
399	NASDAQ	IOSP	Fri, Dec 10, 1999	4.94	4.97	4.84	4.97
398	NASDAQ	IOSP	Thu, Dec 9, 1999	5.06	5.06	4.94	5.00
397	NASDAQ	IOSP	Wed, Dec 8, 1999	5.25	5.25	5.06	5.06
396	NASDAQ	IOSP	Tue, Dec 7, 1999	5.28	5.31	5.22	5.28
395	NASDAQ	IOSP	Mon, Dec 6, 1999	5.19	5.31	5.19	5.28
394	NASDAQ	IOSP	Fri, Dec 3, 1999	5.19	5.25	5.19	5.22
393	NASDAQ	IOSP	Thu, Dec 2, 1999	5.19	5.25	5.19	5.19
392	NASDAQ	IOSP	Wed, Dec 1, 1999	4.88	5.22	4.88	5.19
391	NASDAQ	IOSP	Tue, Nov 30, 1999	4.97	5.00	4.88	4.88
390	NASDAQ	IOSP	Mon, Nov 29, 1999	4.94	5.00	4.94	4.94
389	NASDAQ	IOSP	Fri, Nov 26, 1999	4.94	4.97	4.78	4.88
388	NASDAQ	IOSP	Wed, Nov 24, 1999	5.13	5.16	5.00	5.06
387	NASDAQ	IOSP	Tue, Nov 23, 1999	5.22	5.22	5.16	5.16
386	NASDAQ	IOSP	Mon, Nov 22, 1999	5.16	5.22	5.16	5.19
385	NASDAQ	IOSP	Fri, Nov 19, 1999	5.00	5.09	5.00	5.09
384	NASDAQ	IOSP	Thu, Nov 18, 1999	5.00	5.00	4.97	5.00
383	NASDAQ	IOSP	Wed, Nov 17, 1999	5.09	5.09	4.97	5.00
382	NASDAQ	IOSP	Tue, Nov 16, 1999	5.16	5.19	5.09	5.09
381	NASDAQ	IOSP	Mon, Nov 15, 1999	5.19	5.19	5.09	5.16
380	NASDAQ	IOSP	Fri, Nov 12, 1999	5.22	5.22	5.13	5.13
379	NASDAQ	IOSP	Thu, Nov 11, 1999	5.31	5.38	5.22	5.22
378	NASDAQ	IOSP	Wed, Nov 10, 1999	5.44	5.56	5.31	5.31
377	NASDAQ	IOSP	Tue, Nov 9, 1999	5.44	5.50	5.38	5.50
376	NASDAQ	IOSP	Mon, Nov 8, 1999	5.53	5.63	5.53	5.59
375	NASDAQ	IOSP	Fri, Nov 5, 1999	5.63	5.63	5.50	5.53
374	NASDAQ	IOSP	Thu, Nov 4, 1999	5.81	5.81	5.69	5.69
373	NASDAQ	IOSP	Wed, Nov 3, 1999	5.81	5.81	5.78	5.81
372	NASDAQ	IOSP	Tue, Nov 2, 1999	6.06	6.13	5.84	5.84
371	NASDAQ	IOSP	Mon, Nov 1, 1999	6.13	6.19	6.06	6.06
370	NASDAQ	IOSP	Fri, Oct 29, 1999	6.25	6.31	5.91	6.13
369	NASDAQ	IOSP	Thu, Oct 28, 1999	6.31	6.31	6.25	6.28
368	NASDAQ	IOSP	Wed, Oct 27, 1999	6.31	6.34	6.31	6.31
367	NASDAQ	IOSP	Tue, Oct 26, 1999	6.34	6.41	6.22	6.31
366	NASDAQ	IOSP	Mon, Oct 25, 1999	6.22	6.34	6.22	6.34
365	NASDAQ	IOSP	Fri, Oct 22, 1999	6.28	6.31	6.25	6.28
364	NASDAQ	IOSP	Thu, Oct 21, 1999	5.97	6.25	5.97	6.25
363	NASDAQ	IOSP	Wed, Oct 20, 1999	5.81	5.94	5.81	5.94
362	NASDAQ	IOSP	Tue, Oct 19, 1999	5.78	6.06	5.78	5.81
361	NASDAQ	IOSP	Mon, Oct 18, 1999	5.69	5.72	5.69	5.72
360	NASDAQ	IOSP	Fri, Oct 15, 1999	5.66	5.66	5.66	5.66
359	NASDAQ	IOSP	Thu, Oct 14, 1999	5.63	5.66	5.63	5.66
358	NASDAQ	IOSP	Wed, Oct 13, 1999	5.66	5.69	5.63	5.66
357	NASDAQ	IOSP	Tue, Oct 12, 1999	5.66	5.66	5.63	5.63
356	NASDAQ	IOSP	Mon, Oct 11, 1999	5.66	5.69	5.66	5.66
355	NASDAQ	IOSP	Fri, Oct 8, 1999	5.66	5.66	5.63	5.66
354	NASDAQ	IOSP	Thu, Oct 7, 1999	5.63	5.66	5.63	5.66
353	NASDAQ	IOSP	Wed, Oct 6, 1999	5.63	5.69	5.63	5.66
352	NASDAQ	IOSP	Tue, Oct 5, 1999	5.63	5.75	5.63	5.69
351	NASDAQ	IOSP	Mon, Oct 4, 1999	5.63	5.63	5.63	5.63
350	NASDAQ	IOSP	Fri, Oct 1, 1999	5.63	5.63	5.63	5.63
349	NASDAQ	IOSP	Thu, Sep 30, 1999	5.63	5.66	5.63	5.63
348	NASDAQ	IOSP	Wed, Sep 29, 1999	5.66	5.69	5.59	5.63
347	NASDAQ	IOSP	Tue, Sep 28, 1999	5.63	5.69	5.63	5.66
346	NASDAQ	IOSP	Mon, Sep 27, 1999	5.66	5.66	5.63	5.63
345	NASDAQ	IOSP	Fri, Sep 24, 1999	5.63	5.69	5.63	5.66
344	NASDAQ	IOSP	Thu, Sep 23, 1999	5.66	5.72	5.56	5.63
343	NASDAQ	IOSP	Wed, Sep 22, 1999	5.63	5.69	5.63	5.66
342	NASDAQ	IOSP	Tue, Sep 21, 1999	5.63	5.63	5.63	5.63
341	NASDAQ	IOSP	Mon, Sep 20, 1999	5.69	5.69	5.66	5.66
340	NASDAQ	IOSP	Fri, Sep 17, 1999	5.69	5.72	5.69	5.69
339	NASDAQ	IOSP	Thu, Sep 16, 1999	5.75	5.81	5.72	5.72
338	NASDAQ	IOSP	Wed, Sep 15, 1999	5.75	5.75	5.69	5.75
337	NASDAQ	IOSP	Tue, Sep 14, 1999	5.69	5.72	5.69	5.69
336	NASDAQ	IOSP	Mon, Sep 13, 1999	5.75	5.78	5.69	5.69
335	NASDAQ	IOSP	Fri, Sep 10, 1999	5.75	5.78	5.72	5.78
334	NASDAQ	IOSP	Thu, Sep 9, 1999	5.72	5.72	5.69	5.69
333	NASDAQ	IOSP	Wed, Sep 8, 1999	5.69	5.72	5.69	5.72
332	NASDAQ	IOSP	Tue, Sep 7, 1999	5.75	5.75	5.63	5.72
331	NASDAQ	IOSP	Fri, Sep 3, 1999	5.63	5.75	5.63	5.75
330	NASDAQ	IOSP	Thu, Sep 2, 1999	5.63	5.66	5.63	5.63
329	NASDAQ	IOSP	Wed, Sep 1, 1999	5.66	5.72	5.66	5.69
328	NASDAQ	IOSP	Tue, Aug 31, 1999	5.66	5.72	5.66	5.69
327	NASDAQ	IOSP	Mon, Aug 30, 1999	5.88	5.97	5.72	5.72
326	NASDAQ	IOSP	Fri, Aug 27, 1999	5.88	5.88	5.81	5.88
325	NASDAQ	IOSP	Thu, Aug 26, 1999	6.06	6.06	5.94	5.94
324	NASDAQ	IOSP	Wed, Aug 25, 1999	6.16	6.16	6.06	6.06
323	NASDAQ	IOSP	Tue, Aug 24, 1999	6.09	6.16	6.06	6.16
322	NASDAQ	IOSP	Mon, Aug 23, 1999	6.19	6.28	6.16	6.16
321	NASDAQ	IOSP	Fri, Aug 20, 1999	6.16	6.19	6.16	6.19
320	NASDAQ	IOSP	Thu, Aug 19, 1999	6.09	6.16	6.09	6.16
319	NASDAQ	IOSP	Wed, Aug 18, 1999	6.16	6.16	6.06	6.06
318	NASDAQ	IOSP	Tue, Aug 17, 1999	6.19	6.19	6.19	6.19
317	NASDAQ	IOSP	Mon, Aug 16, 1999	6.25	6.25	6.16	6.19
316	NASDAQ	IOSP	Fri, Aug 13, 1999	6.13	6.28	6.13	6.28
315	NASDAQ	IOSP	Thu, Aug 12, 1999	6.28	6.28	6.13	6.13
314	NASDAQ	IOSP	Wed, Aug 11, 1999	6.25	6.25	6.13	6.22
313	NASDAQ	IOSP	Tue, Aug 10, 1999	6.38	6.38	6.13	6.25
312	NASDAQ	IOSP	Mon, Aug 9, 1999	6.50	6.50	6.38	6.38
311	NASDAQ	IOSP	Fri, Aug 6, 1999	6.41	6.50	6.41	6.50
310	NASDAQ	IOSP	Thu, Aug 5, 1999	6.25	6.41	6.22	6.41
309	NASDAQ	IOSP	Wed, Aug 4, 1999	6.22	6.25	6.16	6.25
308	NASDAQ	IOSP	Tue, Aug 3, 1999	6.22	6.25	6.19	6.25
307	NASDAQ	IOSP	Mon, Aug 2, 1999	6.13	6.25	6.13	6.25
306	NASDAQ	IOSP	Fri, Jul 30, 1999	6.16	6.16	6.16	6.16
305	NASDAQ	IOSP	Thu, Jul 29, 1999	6.19	6.19	6.16	6.16
304	NASDAQ	IOSP	Wed, Jul 28, 1999	6.19	6.22	6.19	6.22
303	NASDAQ	IOSP	Tue, Jul 27, 1999	6.25	6.25	6.19	6.22
302	NASDAQ	IOSP	Mon, Jul 26, 1999	6.31	6.34	6.25	6.28
301	NASDAQ	IOSP	Fri, Jul 23, 1999	6.44	6.44	6.31	6.31
300	NASDAQ	IOSP	Thu, Jul 22, 1999	6.47	6.47	6.38	6.47
299	NASDAQ	IOSP	Wed, Jul 21, 1999	6.31	6.44	6.31	6.44
298	NASDAQ	IOSP	Tue, Jul 20, 1999	6.19	6.31	6.19	6.31
297	NASDAQ	IOSP	Mon, Jul 19, 1999	6.13	6.25	6.13	6.19
296	NASDAQ	IOSP	Fri, Jul 16, 1999	6.56	6.56	6.00	6.19
295	NASDAQ	IOSP	Thu, Jul 15, 1999	6.69	6.69	6.59	6.63
294	NASDAQ	IOSP	Wed, Jul 14, 1999	6.72	6.72	6.69	6.72
293	NASDAQ	IOSP	Tue, Jul 13, 1999	6.66	6.69	6.66	6.69
292	NASDAQ	IOSP	Mon, Jul 12, 1999	6.53	6.66	6.53	6.66
291	NASDAQ	IOSP	Fri, Jul 9, 1999	6.44	6.63	6.44	6.56
290	NASDAQ	IOSP	Thu, Jul 8, 1999	6.25	6.44	6.22	6.41
289	NASDAQ	IOSP	Wed, Jul 7, 1999	6.31	6.34	6.25	6.28
288	NASDAQ	IOSP	Tue, Jul 6, 1999	6.47	6.47	6.31	6.34
287	NASDAQ	IOSP	Fri, Jul 2, 1999	6.50	6.50	6.47	6.47
286	NASDAQ	IOSP	Thu, Jul 1, 1999	6.25	6.47	6.25	6.47
285	NASDAQ	IOSP	Wed, Jun 30, 1999	6.41	6.44	6.25	6.25
284	NASDAQ	IOSP	Tue, Jun 29, 1999	6.41	6.44	6.34	6.34
283	NASDAQ	IOSP	Mon, Jun 28, 1999	6.44	6.44	6.41	6.41
282	NASDAQ	IOSP	Fri, Jun 25, 1999	6.59	6.59	6.44	6.44
281	NASDAQ	IOSP	Thu, Jun 24, 1999	6.75	6.75	6.59	6.59
280	NASDAQ	IOSP	Wed, Jun 23, 1999	6.78	6.78	6.69	6.75
279	NASDAQ	IOSP	Tue, Jun 22, 1999	6.69	6.81	6.63	6.81
278	NASDAQ	IOSP	Mon, Jun 21, 1999	6.66	6.69	6.56	6.69
277	NASDAQ	IOSP	Fri, Jun 18, 1999	6.69	6.69	6.59	6.66
276	NASDAQ	IOSP	Thu, Jun 17, 1999	6.59	6.63	6.59	6.63
275	NASDAQ	IOSP	Wed, Jun 16, 1999	6.50	6.59	6.50	6.59
274	NASDAQ	IOSP	Tue, Jun 15, 1999	6.56	6.63	6.50	6.50
273	NASDAQ	IOSP	Mon, Jun 14, 1999	6.50	6.63	6.50	6.63
272	NASDAQ	IOSP	Fri, Jun 11, 1999	6.38	6.50	6.38	6.50
271	NASDAQ	IOSP	Thu, Jun 10, 1999	6.66	6.66	6.38	6.38
270	NASDAQ	IOSP	Wed, Jun 9, 1999	6.66	6.84	6.66	6.72
269	NASDAQ	IOSP	Tue, Jun 8, 1999	6.81	6.81	6.69	6.72
268	NASDAQ	IOSP	Mon, Jun 7, 1999	6.81	6.88	6.72	6.88
267	NASDAQ	IOSP	Fri, Jun 4, 1999	6.75	6.75	6.63	6.75
266	NASDAQ	IOSP	Thu, Jun 3, 1999	6.69	6.69	6.59	6.66
265	NASDAQ	IOSP	Wed, Jun 2, 1999	6.84	6.94	6.69	6.69
264	NASDAQ	IOSP	Tue, Jun 1, 1999	6.88	6.97	6.84	6.91
263	NASDAQ	IOSP	Fri, May 28, 1999	6.78	6.88	6.77	6.88
262	NASDAQ	IOSP	Thu, May 27, 1999	6.78	6.81	6.75	6.81
261	NASDAQ	IOSP	Wed, May 26, 1999	6.81	6.81	6.75	6.81
260	NASDAQ	IOSP	Tue, May 25, 1999	6.78	6.84	6.78	6.78
259	NASDAQ	IOSP	Mon, May 24, 1999	6.84	6.84	6.75	6.78
258	NASDAQ	IOSP	Fri, May 21, 1999	6.88	6.91	6.78	6.81
257	NASDAQ	IOSP	Thu, May 20, 1999	6.69	6.88	6.69	6.84
256	NASDAQ	IOSP	Wed, May 19, 1999	6.56	6.72	6.56	6.66
255	NASDAQ	IOSP	Tue, May 18, 1999	6.59	6.63	6.53	6.56
254	NASDAQ	IOSP	Mon, May 17, 1999	6.56	6.66	6.53	6.66
253	NASDAQ	IOSP	Fri, May 14, 1999	6.63	6.63	6.56	6.59
252	NASDAQ	IOSP	Thu, May 13, 1999	6.63	6.72	6.63	6.69
251	NASDAQ	IOSP	Wed, May 12, 1999	6.75	6.75	6.63	6.63
250	NASDAQ	IOSP	Tue, May 11, 1999	6.69	6.78	6.69	6.75
249	NASDAQ	IOSP	Mon, May 10, 1999	6.63	6.78	6.63	6.75
248	NASDAQ	IOSP	Fri, May 7, 1999	6.78	6.78	6.69	6.69
247	NASDAQ	IOSP	Thu, May 6, 1999	6.75	6.94	6.69	6.78
246	NASDAQ	IOSP	Wed, May 5, 1999	6.72	6.72	6.59	6.59
245	NASDAQ	IOSP	Tue, May 4, 1999	7.00	7.13	6.81	6.81
244	NASDAQ	IOSP	Mon, May 3, 1999	6.94	6.94	6.66	6.72
243	NASDAQ	IOSP	Fri, Apr 30, 1999	7.44	7.44	7.00	7.00
242	NASDAQ	IOSP	Thu, Apr 29, 1999	7.34	7.47	7.34	7.44
241	NASDAQ	IOSP	Wed, Apr 28, 1999	7.41	7.44	7.34	7.34
240	NASDAQ	IOSP	Tue, Apr 27, 1999	7.31	7.38	7.28	7.38
239	NASDAQ	IOSP	Mon, Apr 26, 1999	7.25	7.31	7.25	7.31
238	NASDAQ	IOSP	Fri, Apr 23, 1999	7.16	7.50	7.16	7.31
237	NASDAQ	IOSP	Thu, Apr 22, 1999	6.84	7.16	6.84	7.16
236	NASDAQ	IOSP	Wed, Apr 21, 1999	6.59	7.00	6.59	6.91
235	NASDAQ	IOSP	Tue, Apr 20, 1999	6.75	6.78	6.59	6.59
234	NASDAQ	IOSP	Mon, Apr 19, 1999	6.63	6.81	6.63	6.72
233	NASDAQ	IOSP	Fri, Apr 16, 1999	6.59	6.66	6.59	6.63
232	NASDAQ	IOSP	Thu, Apr 15, 1999	6.50	6.63	6.47	6.59
231	NASDAQ	IOSP	Wed, Apr 14, 1999	6.31	6.44	6.31	6.44
230	NASDAQ	IOSP	Tue, Apr 13, 1999	6.22	6.38	6.22	6.31
229	NASDAQ	IOSP	Mon, Apr 12, 1999	6.56	6.56	6.28	6.28
228	NASDAQ	IOSP	Fri, Apr 9, 1999	6.06	6.59	6.06	6.53
227	NASDAQ	IOSP	Thu, Apr 8, 1999	5.97	6.06	5.97	6.06
226	NASDAQ	IOSP	Wed, Apr 7, 1999	6.06	6.06	5.97	5.97
225	NASDAQ	IOSP	Tue, Apr 6, 1999	6.03	6.03	6.00	6.00
224	NASDAQ	IOSP	Mon, Apr 5, 1999	6.06	6.06	6.00	6.03
223	NASDAQ	IOSP	Thu, Apr 1, 1999	6.06	6.06	6.03	6.06
222	NASDAQ	IOSP	Wed, Mar 31, 1999	6.19	6.19	6.13	6.13
221	NASDAQ	IOSP	Tue, Mar 30, 1999	6.16	6.19	6.03	6.19
220	NASDAQ	IOSP	Mon, Mar 29, 1999	6.31	6.38	6.06	6.16
219	NASDAQ	IOSP	Fri, Mar 26, 1999	6.31	6.34	6.28	6.31
218	NASDAQ	IOSP	Thu, Mar 25, 1999	6.31	6.34	6.31	6.31
217	NASDAQ	IOSP	Wed, Mar 24, 1999	6.31	6.31	6.31	6.31
216	NASDAQ	IOSP	Tue, Mar 23, 1999	6.38	6.38	6.28	6.34
215	NASDAQ	IOSP	Mon, Mar 22, 1999	6.50	6.50	6.38	6.38
214	NASDAQ	IOSP	Fri, Mar 19, 1999	6.50	6.53	6.50	6.53
213	NASDAQ	IOSP	Thu, Mar 18, 1999	6.41	6.56	6.38	6.56
212	NASDAQ	IOSP	Wed, Mar 17, 1999	6.53	6.53	6.41	6.44
211	NASDAQ	IOSP	Tue, Mar 16, 1999	6.53	6.53	6.41	6.47
210	NASDAQ	IOSP	Mon, Mar 15, 1999	6.56	6.56	6.47	6.53
209	NASDAQ	IOSP	Fri, Mar 12, 1999	6.72	6.75	6.56	6.56
208	NASDAQ	IOSP	Thu, Mar 11, 1999	6.63	6.72	6.63	6.72
207	NASDAQ	IOSP	Wed, Mar 10, 1999	6.63	6.66	6.59	6.59
206	NASDAQ	IOSP	Tue, Mar 9, 1999	6.59	6.63	6.56	6.63
205	NASDAQ	IOSP	Mon, Mar 8, 1999	6.66	6.66	6.59	6.63
204	NASDAQ	IOSP	Fri, Mar 5, 1999	6.63	6.66	6.56	6.66
203	NASDAQ	IOSP	Thu, Mar 4, 1999	6.72	6.72	6.56	6.56
202	NASDAQ	IOSP	Wed, Mar 3, 1999	6.75	7.06	6.75	6.78
201	NASDAQ	IOSP	Tue, Mar 2, 1999	6.66	6.75	6.66	6.69
200	NASDAQ	IOSP	Mon, Mar 1, 1999	6.59	6.63	6.56	6.59
199	NASDAQ	IOSP	Fri, Feb 26, 1999	6.63	6.72	6.56	6.72
198	NASDAQ	IOSP	Thu, Feb 25, 1999	6.72	6.84	6.63	6.66
197	NASDAQ	IOSP	Wed, Feb 24, 1999	6.63	6.69	6.63	6.66
196	NASDAQ	IOSP	Tue, Feb 23, 1999	6.63	6.75	6.61	6.63
195	NASDAQ	IOSP	Mon, Feb 22, 1999	6.56	6.69	6.56	6.63
194	NASDAQ	IOSP	Fri, Feb 19, 1999	6.66	6.66	6.63	6.63
193	NASDAQ	IOSP	Thu, Feb 18, 1999	6.56	6.66	6.56	6.66
192	NASDAQ	IOSP	Wed, Feb 17, 1999	6.78	6.78	6.63	6.63
191	NASDAQ	IOSP	Tue, Feb 16, 1999	7.03	7.06	6.72	6.72
190	NASDAQ	IOSP	Fri, Feb 12, 1999	7.00	7.06	6.97	6.97
189	NASDAQ	IOSP	Thu, Feb 11, 1999	6.66	7.19	6.66	7.06
188	NASDAQ	IOSP	Wed, Feb 10, 1999	6.63	6.84	6.63	6.69
187	NASDAQ	IOSP	Tue, Feb 9, 1999	6.84	6.84	6.56	6.63
186	NASDAQ	IOSP	Mon, Feb 8, 1999	6.78	6.78	6.75	6.78
185	NASDAQ	IOSP	Fri, Feb 5, 1999	6.59	6.84	6.59	6.75
184	NASDAQ	IOSP	Thu, Feb 4, 1999	6.69	6.72	6.59	6.66
183	NASDAQ	IOSP	Wed, Feb 3, 1999	6.63	6.69	6.63	6.69
182	NASDAQ	IOSP	Tue, Feb 2, 1999	6.59	6.63	6.59	6.63
181	NASDAQ	IOSP	Mon, Feb 1, 1999	6.63	6.69	6.50	6.66
180	NASDAQ	IOSP	Fri, Jan 29, 1999	6.59	6.66	6.53	6.66
179	NASDAQ	IOSP	Thu, Jan 28, 1999	6.56	6.75	6.53	6.66
178	NASDAQ	IOSP	Wed, Jan 27, 1999	6.66	6.66	6.50	6.56
177	NASDAQ	IOSP	Tue, Jan 26, 1999	6.63	6.63	6.50	6.63
176	NASDAQ	IOSP	Mon, Jan 25, 1999	6.56	6.69	6.50	6.69
175	NASDAQ	IOSP	Fri, Jan 22, 1999	6.41	6.75	6.38	6.63
174	NASDAQ	IOSP	Thu, Jan 21, 1999	6.34	6.50	6.34	6.44
173	NASDAQ	IOSP	Wed, Jan 20, 1999	6.50	6.53	6.28	6.28
172	NASDAQ	IOSP	Tue, Jan 19, 1999	6.59	6.63	6.38	6.50
171	NASDAQ	IOSP	Fri, Jan 15, 1999	6.78	6.78	6.56	6.59
170	NASDAQ	IOSP	Thu, Jan 14, 1999	6.78	6.78	6.72	6.72
169	NASDAQ	IOSP	Wed, Jan 13, 1999	6.78	6.84	6.78	6.78
168	NASDAQ	IOSP	Tue, Jan 12, 1999	7.25	7.25	6.75	6.84
167	NASDAQ	IOSP	Mon, Jan 11, 1999	7.25	7.38	7.19	7.25
166	NASDAQ	IOSP	Fri, Jan 8, 1999	7.41	7.44	7.19	7.19
165	NASDAQ	IOSP	Thu, Jan 7, 1999	7.66	7.72	7.41	7.41
164	NASDAQ	IOSP	Wed, Jan 6, 1999	7.50	7.66	7.44	7.66
163	NASDAQ	IOSP	Tue, Jan 5, 1999	7.22	7.63	7.22	7.53
162	NASDAQ	IOSP	Mon, Jan 4, 1999	7.00	7.47	7.00	7.16
161	NASDAQ	IOSP	Thu, Dec 31, 1998	7.03	7.09	6.91	6.94
160	NASDAQ	IOSP	Wed, Dec 30, 1998	7.13	7.31	7.03	7.03
159	NASDAQ	IOSP	Tue, Dec 29, 1998	7.03	7.19	6.94	7.06
158	NASDAQ	IOSP	Mon, Dec 28, 1998	7.09	7.09	6.94	7.03
157	NASDAQ	IOSP	Thu, Dec 24, 1998	7.06	7.13	7.03	7.13
156	NASDAQ	IOSP	Wed, Dec 23, 1998	7.00	7.13	7.00	7.13
155	NASDAQ	IOSP	Tue, Dec 22, 1998	7.19	7.19	7.00	7.00
154	NASDAQ	IOSP	Mon, Dec 21, 1998	7.22	7.25	7.13	7.16
153	NASDAQ	IOSP	Fri, Dec 18, 1998	7.41	7.44	7.19	7.25
152	NASDAQ	IOSP	Thu, Dec 17, 1998	7.34	7.44	7.34	7.34
151	NASDAQ	IOSP	Wed, Dec 16, 1998	7.50	7.50	7.06	7.34
150	NASDAQ	IOSP	Tue, Dec 15, 1998	7.84	7.97	7.50	7.50
149	NASDAQ	IOSP	Mon, Dec 14, 1998	8.03	8.03	7.91	7.91
148	NASDAQ	IOSP	Fri, Dec 11, 1998	8.06	8.19	8.03	8.03
147	NASDAQ	IOSP	Thu, Dec 10, 1998	8.00	8.09	8.00	8.06
146	NASDAQ	IOSP	Wed, Dec 9, 1998	8.09	8.09	7.94	7.94
145	NASDAQ	IOSP	Tue, Dec 8, 1998	8.06	8.13	8.00	8.09
144	NASDAQ	IOSP	Mon, Dec 7, 1998	8.13	8.25	8.03	8.06
143	NASDAQ	IOSP	Fri, Dec 4, 1998	7.81	8.03	7.81	8.00
142	NASDAQ	IOSP	Thu, Dec 3, 1998	7.50	7.78	7.50	7.69
141	NASDAQ	IOSP	Wed, Dec 2, 1998	7.34	7.50	7.34	7.50
140	NASDAQ	IOSP	Tue, Dec 1, 1998	7.31	7.41	7.28	7.34
139	NASDAQ	IOSP	Mon, Nov 30, 1998	7.25	7.25	7.16	7.25
138	NASDAQ	IOSP	Fri, Nov 27, 1998	7.16	7.22	7.16	7.22
137	NASDAQ	IOSP	Wed, Nov 25, 1998	7.00	7.31	7.00	7.19
136	NASDAQ	IOSP	Tue, Nov 24, 1998	6.88	7.00	6.88	6.94
135	NASDAQ	IOSP	Mon, Nov 23, 1998	6.69	6.94	6.69	6.94
134	NASDAQ	IOSP	Fri, Nov 20, 1998	6.63	6.69	6.63	6.69
133	NASDAQ	IOSP	Thu, Nov 19, 1998	6.53	6.63	6.53	6.63
132	NASDAQ	IOSP	Wed, Nov 18, 1998	6.72	6.72	6.53	6.59
131	NASDAQ	IOSP	Tue, Nov 17, 1998	6.66	6.66	6.56	6.66
130	NASDAQ	IOSP	Mon, Nov 16, 1998	6.88	6.97	6.69	6.69
129	NASDAQ	IOSP	Fri, Nov 13, 1998	6.94	7.00	6.78	6.78
128	NASDAQ	IOSP	Thu, Nov 12, 1998	7.00	7.06	6.91	6.91
127	NASDAQ	IOSP	Wed, Nov 11, 1998	6.78	7.03	6.75	6.97
126	NASDAQ	IOSP	Tue, Nov 10, 1998	7.22	7.25	6.66	6.72
125	NASDAQ	IOSP	Mon, Nov 9, 1998	7.28	7.28	7.25	7.25
124	NASDAQ	IOSP	Fri, Nov 6, 1998	7.16	7.34	7.03	7.28
123	NASDAQ	IOSP	Thu, Nov 5, 1998	6.97	7.19	6.84	7.19
122	NASDAQ	IOSP	Wed, Nov 4, 1998	6.75	7.00	6.75	7.00
121	NASDAQ	IOSP	Tue, Nov 3, 1998	6.91	6.91	6.69	6.72
120	NASDAQ	IOSP	Mon, Nov 2, 1998	7.25	7.31	6.75	6.88
119	NASDAQ	IOSP	Fri, Oct 30, 1998	7.13	7.28	7.13	7.22
118	NASDAQ	IOSP	Thu, Oct 29, 1998	7.00	7.09	7.00	7.06
117	NASDAQ	IOSP	Wed, Oct 28, 1998	7.09	7.09	6.94	7.00
116	NASDAQ	IOSP	Tue, Oct 27, 1998	7.44	7.50	7.16	7.16
115	NASDAQ	IOSP	Mon, Oct 26, 1998	7.25	7.38	7.06	7.38
114	NASDAQ	IOSP	Fri, Oct 23, 1998	7.69	7.72	7.31	7.31
113	NASDAQ	IOSP	Thu, Oct 22, 1998	7.09	7.72	7.09	7.69
112	NASDAQ	IOSP	Wed, Oct 21, 1998	7.75	7.78	7.03	7.03
111	NASDAQ	IOSP	Tue, Oct 20, 1998	7.34	7.78	7.34	7.75
110	NASDAQ	IOSP	Mon, Oct 19, 1998	7.03	7.31	7.03	7.28
109	NASDAQ	IOSP	Fri, Oct 16, 1998	7.00	7.06	6.94	7.06
108	NASDAQ	IOSP	Thu, Oct 15, 1998	6.44	7.09	6.44	7.00
107	NASDAQ	IOSP	Wed, Oct 14, 1998	5.78	6.38	5.78	6.38
106	NASDAQ	IOSP	Tue, Oct 13, 1998	5.94	6.09	5.72	5.78
105	NASDAQ	IOSP	Mon, Oct 12, 1998	6.09	6.09	5.94	5.97
104	NASDAQ	IOSP	Fri, Oct 9, 1998	6.00	6.06	5.94	6.03
103	NASDAQ	IOSP	Thu, Oct 8, 1998	6.34	6.34	5.88	6.00
102	NASDAQ	IOSP	Wed, Oct 7, 1998	6.38	6.47	6.34	6.38
101	NASDAQ	IOSP	Tue, Oct 6, 1998	6.63	6.63	6.38	6.44
100	NASDAQ	IOSP	Mon, Oct 5, 1998	6.91	6.91	6.63	6.63
99	NASDAQ	IOSP	Fri, Oct 2, 1998	6.88	6.91	6.59	6.91
98	NASDAQ	IOSP	Thu, Oct 1, 1998	6.88	6.97	6.84	6.88
97	NASDAQ	IOSP	Wed, Sep 30, 1998	6.94	6.94	6.88	6.88
96	NASDAQ	IOSP	Tue, Sep 29, 1998	7.19	7.19	6.97	7.00
95	NASDAQ	IOSP	Mon, Sep 28, 1998	7.44	7.44	7.19	7.19
94	NASDAQ	IOSP	Fri, Sep 25, 1998	7.44	7.53	7.44	7.44
93	NASDAQ	IOSP	Thu, Sep 24, 1998	7.63	7.66	7.47	7.47
92	NASDAQ	IOSP	Wed, Sep 23, 1998	7.25	7.63	7.25	7.63
91	NASDAQ	IOSP	Tue, Sep 22, 1998	7.09	7.28	7.09	7.25
90	NASDAQ	IOSP	Mon, Sep 21, 1998	7.03	7.25	7.03	7.16
89	NASDAQ	IOSP	Fri, Sep 18, 1998	6.94	7.13	6.94	7.09
88	NASDAQ	IOSP	Thu, Sep 17, 1998	6.94	6.94	6.69	6.94
87	NASDAQ	IOSP	Wed, Sep 16, 1998	6.94	7.09	6.81	6.97
86	NASDAQ	IOSP	Tue, Sep 15, 1998	7.19	7.19	6.81	6.97
85	NASDAQ	IOSP	Mon, Sep 14, 1998	7.75	7.75	7.31	7.34
84	NASDAQ	IOSP	Fri, Sep 11, 1998	7.78	7.91	7.69	7.69
83	NASDAQ	IOSP	Thu, Sep 10, 1998	8.25	8.31	7.63	7.81
82	NASDAQ	IOSP	Wed, Sep 9, 1998	8.53	8.56	8.31	8.31
81	NASDAQ	IOSP	Tue, Sep 8, 1998	9.00	9.09	8.53	8.56
80	NASDAQ	IOSP	Fri, Sep 4, 1998	8.75	9.06	8.75	8.91
79	NASDAQ	IOSP	Thu, Sep 3, 1998	8.25	8.81	8.25	8.75
78	NASDAQ	IOSP	Wed, Sep 2, 1998	7.66	8.31	7.66	8.31
77	NASDAQ	IOSP	Tue, Sep 1, 1998	7.69	7.81	7.66	7.81
76	NASDAQ	IOSP	Mon, Aug 31, 1998	8.00	8.00	7.69	7.69
75	NASDAQ	IOSP	Fri, Aug 28, 1998	8.38	8.38	8.00	8.00
74	NASDAQ	IOSP	Thu, Aug 27, 1998	8.81	8.81	8.44	8.44
73	NASDAQ	IOSP	Wed, Aug 26, 1998	8.84	8.91	8.75	8.84
72	NASDAQ	IOSP	Tue, Aug 25, 1998	8.50	8.91	8.50	8.84
71	NASDAQ	IOSP	Mon, Aug 24, 1998	9.03	9.13	8.44	8.50
70	NASDAQ	IOSP	Fri, Aug 21, 1998	9.47	9.47	8.97	9.09
69	NASDAQ	IOSP	Thu, Aug 20, 1998	9.47	9.47	9.44	9.44
68	NASDAQ	IOSP	Wed, Aug 19, 1998	9.56	9.59	9.44	9.44
67	NASDAQ	IOSP	Tue, Aug 18, 1998	9.66	9.69	9.53	9.63
66	NASDAQ	IOSP	Mon, Aug 17, 1998	9.81	9.81	9.56	9.59
65	NASDAQ	IOSP	Fri, Aug 14, 1998	9.69	9.75	9.63	9.75
64	NASDAQ	IOSP	Thu, Aug 13, 1998	9.19	9.63	9.19	9.63
63	NASDAQ	IOSP	Wed, Aug 12, 1998	9.03	9.25	9.00	9.25
62	NASDAQ	IOSP	Tue, Aug 11, 1998	9.16	9.19	8.88	9.00
61	NASDAQ	IOSP	Mon, Aug 10, 1998	9.38	9.38	9.25	9.25
60	NASDAQ	IOSP	Fri, Aug 7, 1998	9.53	9.75	9.38	9.38
59	NASDAQ	IOSP	Thu, Aug 6, 1998	9.38	9.52	9.38	9.50
58	NASDAQ	IOSP	Wed, Aug 5, 1998	9.75	9.75	9.47	9.50
57	NASDAQ	IOSP	Tue, Aug 4, 1998	10.09	10.09	9.75	9.75
56	NASDAQ	IOSP	Mon, Aug 3, 1998	10.16	10.16	10.00	10.03
55	NASDAQ	IOSP	Fri, Jul 31, 1998	9.91	10.28	9.91	10.28
54	NASDAQ	IOSP	Thu, Jul 30, 1998	9.63	9.97	9.63	9.91
53	NASDAQ	IOSP	Wed, Jul 29, 1998	9.34	9.69	9.34	9.66
52	NASDAQ	IOSP	Tue, Jul 28, 1998	9.25	9.59	9.25	9.34
51	NASDAQ	IOSP	Mon, Jul 27, 1998	9.06	9.06	8.94	9.00
50	NASDAQ	IOSP	Fri, Jul 24, 1998	9.69	9.69	9.06	9.19
49	NASDAQ	IOSP	Thu, Jul 23, 1998	9.75	9.78	9.69	9.75
48	NASDAQ	IOSP	Wed, Jul 22, 1998	9.81	9.81	9.72	9.75
47	NASDAQ	IOSP	Tue, Jul 21, 1998	9.75	9.97	9.72	9.88
46	NASDAQ	IOSP	Mon, Jul 20, 1998	9.94	9.94	9.75	9.78
45	NASDAQ	IOSP	Fri, Jul 17, 1998	9.72	9.84	9.72	9.84
44	NASDAQ	IOSP	Thu, Jul 16, 1998	9.72	9.72	9.66	9.72
43	NASDAQ	IOSP	Wed, Jul 15, 1998	9.66	9.75	9.66	9.75
42	NASDAQ	IOSP	Tue, Jul 14, 1998	9.66	9.69	9.59	9.66
41	NASDAQ	IOSP	Mon, Jul 13, 1998	9.56	9.69	9.56	9.66
40	NASDAQ	IOSP	Fri, Jul 10, 1998	9.47	9.56	9.47	9.56
39	NASDAQ	IOSP	Thu, Jul 9, 1998	9.38	9.50	9.38	9.50
38	NASDAQ	IOSP	Wed, Jul 8, 1998	9.81	9.81	9.34	9.38
37	NASDAQ	IOSP	Tue, Jul 7, 1998	9.84	10.03	9.81	9.88
36	NASDAQ	IOSP	Mon, Jul 6, 1998	9.88	9.91	9.75	9.81
35	NASDAQ	IOSP	Thu, Jul 2, 1998	10.09	10.09	9.88	9.91
34	NASDAQ	IOSP	Wed, Jul 1, 1998	10.00	10.13	9.78	10.00
33	NASDAQ	IOSP	Tue, Jun 30, 1998	10.06	10.13	9.94	10.00
32	NASDAQ	IOSP	Mon, Jun 29, 1998	9.78	10.13	9.78	10.09
31	NASDAQ	IOSP	Fri, Jun 26, 1998	9.66	9.81	9.66	9.75
30	NASDAQ	IOSP	Thu, Jun 25, 1998	9.41	9.72	9.38	9.72
29	NASDAQ	IOSP	Wed, Jun 24, 1998	9.25	9.38	9.25	9.34
28	NASDAQ	IOSP	Tue, Jun 23, 1998	9.28	9.28	9.13	9.19
27	NASDAQ	IOSP	Mon, Jun 22, 1998	9.09	9.53	9.06	9.19
26	NASDAQ	IOSP	Fri, Jun 19, 1998	9.44	9.50	8.88	9.09
25	NASDAQ	IOSP	Thu, Jun 18, 1998	9.50	9.50	9.34	9.47
24	NASDAQ	IOSP	Wed, Jun 17, 1998	9.19	9.66	9.19	9.50
23	NASDAQ	IOSP	Tue, Jun 16, 1998	9.59	9.88	9.28	9.50
22	NASDAQ	IOSP	Mon, Jun 15, 1998	9.78	10.00	9.69	9.72
21	NASDAQ	IOSP	Fri, Jun 12, 1998	10.16	10.16	9.63	9.81
20	NASDAQ	IOSP	Thu, Jun 11, 1998	10.81	10.81	10.25	10.25
19	NASDAQ	IOSP	Wed, Jun 10, 1998	10.59	10.97	10.56	10.81
18	NASDAQ	IOSP	Tue, Jun 9, 1998	10.19	10.88	10.19	10.59
17	NASDAQ	IOSP	Mon, Jun 8, 1998	10.09	10.34	10.00	10.25
16	NASDAQ	IOSP	Fri, Jun 5, 1998	9.63	10.13	9.63	10.13
15	NASDAQ	IOSP	Thu, Jun 4, 1998	10.13	10.13	9.88	10.00
14	NASDAQ	IOSP	Wed, Jun 3, 1998	9.81	10.44	9.81	10.13
13	NASDAQ	IOSP	Tue, Jun 2, 1998	10.31	10.38	9.63	9.88
12	NASDAQ	IOSP	Mon, Jun 1, 1998	10.94	10.94	9.94	10.31
11	NASDAQ	IOSP	Fri, May 29, 1998	10.75	11.06	10.75	10.91
10	NASDAQ	IOSP	Thu, May 28, 1998	10.69	11.38	10.69	10.88
9	NASDAQ	IOSP	Wed, May 27, 1998	11.41	11.63	10.56	10.56
8	NASDAQ	IOSP	Tue, May 26, 1998	12.00	12.00	11.22	11.38
7	NASDAQ	IOSP	Fri, May 22, 1998	14.00	14.06	11.75	12.13
6	NASDAQ	IOSP	Wed, May 20, 1998	14.00	14.00	14.00	14.00
5	NASDAQ	IOSP	Tue, May 19, 1998	15.69	15.69	14.00	14.00
4	NASDAQ	IOSP	Mon, May 18, 1998	16.31	16.31	15.75	15.75
3	NASDAQ	IOSP	Fri, May 15, 1998	16.72	16.72	16.25	16.25
2	NASDAQ	IOSP	Thu, May 14, 1998	16.75	16.97	16.50	16.72
1	NASDAQ	IOSP	Wed, May 13, 1998	15.00	17.13	15.00	16.75
#	Exchange	Symbol	Date	Open	High	Low	Close

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Last Updated: Sun, Mar 3, 2024