MKS Instruments Inc NASDAQ:MKSI Historical Prices

Below are the 6271 trading days of historical prices for MKSI.

#	Exchange	Symbol	Date	Open	High	Low	Close
6271	NASDAQ	MKSI	Mon, Mar 4, 2024	127.52	128.36	126.30	127.87
6270	NASDAQ	MKSI	Fri, Mar 1, 2024	122.89	128.06	121.17	126.53
6269	NASDAQ	MKSI	Thu, Feb 29, 2024	120.93	123.06	120.73	122.76
6268	NASDAQ	MKSI	Wed, Feb 28, 2024	117.93	119.75	117.68	119.42
6267	NASDAQ	MKSI	Tue, Feb 27, 2024	121.39	121.63	118.83	119.45
6266	NASDAQ	MKSI	Mon, Feb 26, 2024	121.26	122.92	120.41	120.83
6265	NASDAQ	MKSI	Fri, Feb 23, 2024	123.35	123.45	118.77	120.03
6264	NASDAQ	MKSI	Thu, Feb 22, 2024	122.64	124.71	121.83	123.59
6263	NASDAQ	MKSI	Wed, Feb 21, 2024	117.49	119.22	116.59	119.16
6262	NASDAQ	MKSI	Tue, Feb 20, 2024	122.00	123.19	118.59	119.53
6261	NASDAQ	MKSI	Fri, Feb 16, 2024	124.00	127.72	123.36	124.74
6260	NASDAQ	MKSI	Thu, Feb 15, 2024	122.89	124.99	121.42	123.85
6259	NASDAQ	MKSI	Wed, Feb 14, 2024	119.22	122.73	118.15	122.15
6258	NASDAQ	MKSI	Tue, Feb 13, 2024	114.69	118.92	114.37	117.05
6257	NASDAQ	MKSI	Mon, Feb 12, 2024	119.53	123.00	118.58	120.37
6256	NASDAQ	MKSI	Fri, Feb 9, 2024	115.49	120.34	114.92	119.80
6255	NASDAQ	MKSI	Thu, Feb 8, 2024	109.91	115.48	107.97	114.11
6254	NASDAQ	MKSI	Wed, Feb 7, 2024	109.05	109.05	105.86	108.04
6253	NASDAQ	MKSI	Tue, Feb 6, 2024	110.12	110.40	107.20	107.88
6252	NASDAQ	MKSI	Mon, Feb 5, 2024	109.17	110.42	107.49	109.59
6251	NASDAQ	MKSI	Fri, Feb 2, 2024	107.19	109.84	106.98	109.35
6250	NASDAQ	MKSI	Thu, Feb 1, 2024	107.28	108.60	106.16	108.25
6249	NASDAQ	MKSI	Wed, Jan 31, 2024	108.44	110.26	106.28	106.45
6248	NASDAQ	MKSI	Tue, Jan 30, 2024	111.60	112.17	110.11	110.19
6247	NASDAQ	MKSI	Mon, Jan 29, 2024	110.83	112.66	109.14	112.60
6246	NASDAQ	MKSI	Fri, Jan 26, 2024	112.44	112.56	109.27	110.13
6245	NASDAQ	MKSI	Thu, Jan 25, 2024	115.00	115.27	112.58	113.62
6244	NASDAQ	MKSI	Wed, Jan 24, 2024	114.00	115.29	111.89	112.71
6243	NASDAQ	MKSI	Tue, Jan 23, 2024	111.27	111.66	109.33	111.52
6242	NASDAQ	MKSI	Mon, Jan 22, 2024	108.88	110.94	108.50	110.53
6241	NASDAQ	MKSI	Fri, Jan 19, 2024	106.03	108.07	104.16	107.69
6240	NASDAQ	MKSI	Thu, Jan 18, 2024	103.58	105.49	102.75	104.70
6239	NASDAQ	MKSI	Wed, Jan 17, 2024	100.48	101.23	98.82	101.10
6238	NASDAQ	MKSI	Tue, Jan 16, 2024	101.00	103.22	99.48	102.98
6237	NASDAQ	MKSI	Fri, Jan 12, 2024	103.75	104.19	100.81	101.31
6236	NASDAQ	MKSI	Thu, Jan 11, 2024	103.22	104.80	101.24	103.71
6235	NASDAQ	MKSI	Wed, Jan 10, 2024	104.20	104.36	102.26	103.72
6234	NASDAQ	MKSI	Tue, Jan 9, 2024	99.97	103.38	99.97	103.16
6233	NASDAQ	MKSI	Mon, Jan 8, 2024	98.41	102.18	97.92	101.68
6232	NASDAQ	MKSI	Fri, Jan 5, 2024	97.07	98.62	96.64	97.96
6231	NASDAQ	MKSI	Thu, Jan 4, 2024	95.95	98.31	95.71	97.35
6230	NASDAQ	MKSI	Wed, Jan 3, 2024	97.41	99.36	96.88	97.79
6229	NASDAQ	MKSI	Tue, Jan 2, 2024	100.90	101.90	98.68	99.80
6228	NASDAQ	MKSI	Fri, Dec 29, 2023	104.56	105.00	102.21	102.87
6227	NASDAQ	MKSI	Thu, Dec 28, 2023	104.56	106.13	104.00	105.03
6226	NASDAQ	MKSI	Wed, Dec 27, 2023	104.73	105.04	103.50	104.62
6225	NASDAQ	MKSI	Tue, Dec 26, 2023	101.17	104.61	100.40	104.00
6224	NASDAQ	MKSI	Fri, Dec 22, 2023	99.67	101.50	98.73	100.45
6223	NASDAQ	MKSI	Thu, Dec 21, 2023	97.16	99.43	96.47	99.06
6222	NASDAQ	MKSI	Wed, Dec 20, 2023	98.09	99.10	94.31	95.02
6221	NASDAQ	MKSI	Tue, Dec 19, 2023	95.91	98.81	95.39	98.46
6220	NASDAQ	MKSI	Mon, Dec 18, 2023	95.64	96.07	93.88	95.37
6219	NASDAQ	MKSI	Fri, Dec 15, 2023	93.98	96.43	91.82	96.13
6218	NASDAQ	MKSI	Thu, Dec 14, 2023	90.90	99.79	90.90	99.14
6217	NASDAQ	MKSI	Wed, Dec 13, 2023	86.02	89.95	85.25	89.31
6216	NASDAQ	MKSI	Tue, Dec 12, 2023	85.98	86.94	85.80	86.11
6215	NASDAQ	MKSI	Mon, Dec 11, 2023	84.04	86.15	83.60	85.78
6214	NASDAQ	MKSI	Fri, Dec 8, 2023	82.22	84.69	81.04	84.06
6213	NASDAQ	MKSI	Thu, Dec 7, 2023	82.36	83.34	81.49	82.87
6212	NASDAQ	MKSI	Wed, Dec 6, 2023	82.45	84.15	81.53	81.78
6211	NASDAQ	MKSI	Tue, Dec 5, 2023	83.19	83.19	80.84	81.07
6210	NASDAQ	MKSI	Mon, Dec 4, 2023	82.62	83.98	82.21	83.91
6209	NASDAQ	MKSI	Fri, Dec 1, 2023	82.23	84.26	81.76	84.19
6208	NASDAQ	MKSI	Thu, Nov 30, 2023	82.69	82.88	81.18	82.55
6207	NASDAQ	MKSI	Wed, Nov 29, 2023	80.90	83.10	80.77	82.14
6206	NASDAQ	MKSI	Tue, Nov 28, 2023	78.96	80.49	78.17	79.71
6205	NASDAQ	MKSI	Mon, Nov 27, 2023	77.73	80.14	77.25	79.52
6204	NASDAQ	MKSI	Fri, Nov 24, 2023	77.41	78.80	77.41	78.38
6203	NASDAQ	MKSI	Wed, Nov 22, 2023	76.74	78.15	76.17	77.77
6202	NASDAQ	MKSI	Tue, Nov 21, 2023	76.44	77.16	75.58	75.85
6201	NASDAQ	MKSI	Mon, Nov 20, 2023	76.61	77.58	76.36	77.35
6200	NASDAQ	MKSI	Fri, Nov 17, 2023	75.48	76.62	75.07	76.56
6199	NASDAQ	MKSI	Thu, Nov 16, 2023	75.98	76.54	75.14	75.39
6198	NASDAQ	MKSI	Wed, Nov 15, 2023	75.81	78.56	75.28	76.69
6197	NASDAQ	MKSI	Tue, Nov 14, 2023	72.35	76.07	72.35	75.31
6196	NASDAQ	MKSI	Mon, Nov 13, 2023	69.96	70.25	69.01	69.61
6195	NASDAQ	MKSI	Fri, Nov 10, 2023	68.31	71.32	67.92	70.96
6194	NASDAQ	MKSI	Thu, Nov 9, 2023	69.60	70.23	67.57	67.69
6193	NASDAQ	MKSI	Wed, Nov 8, 2023	68.17	69.80	67.65	69.11
6192	NASDAQ	MKSI	Tue, Nov 7, 2023	67.82	68.95	67.42	68.21
6191	NASDAQ	MKSI	Mon, Nov 6, 2023	68.60	68.90	67.04	67.89
6190	NASDAQ	MKSI	Fri, Nov 3, 2023	67.12	69.25	67.12	68.47
6189	NASDAQ	MKSI	Thu, Nov 2, 2023	63.64	67.63	63.64	66.16
6188	NASDAQ	MKSI	Wed, Nov 1, 2023	65.20	65.85	63.44	65.80
6187	NASDAQ	MKSI	Tue, Oct 31, 2023	65.30	66.06	64.46	65.66
6186	NASDAQ	MKSI	Mon, Oct 30, 2023	67.43	67.96	65.21	65.32
6185	NASDAQ	MKSI	Fri, Oct 27, 2023	68.10	68.40	66.74	67.17
6184	NASDAQ	MKSI	Thu, Oct 26, 2023	69.51	70.19	67.94	68.02
6183	NASDAQ	MKSI	Wed, Oct 25, 2023	71.63	72.03	68.26	69.14
6182	NASDAQ	MKSI	Tue, Oct 24, 2023	73.74	73.97	71.60	72.71
6181	NASDAQ	MKSI	Mon, Oct 23, 2023	73.31	74.05	72.00	73.11
6180	NASDAQ	MKSI	Fri, Oct 20, 2023	74.76	75.27	73.86	74.04
6179	NASDAQ	MKSI	Thu, Oct 19, 2023	80.23	80.23	74.42	74.76
6178	NASDAQ	MKSI	Wed, Oct 18, 2023	78.95	79.71	77.62	79.16
6177	NASDAQ	MKSI	Tue, Oct 17, 2023	79.04	81.54	77.36	80.59
6176	NASDAQ	MKSI	Mon, Oct 16, 2023	79.47	80.97	79.00	80.54
6175	NASDAQ	MKSI	Fri, Oct 13, 2023	82.44	82.44	78.91	79.40
6174	NASDAQ	MKSI	Thu, Oct 12, 2023	84.25	84.76	81.11	81.87
6173	NASDAQ	MKSI	Wed, Oct 11, 2023	84.02	84.51	82.78	83.99
6172	NASDAQ	MKSI	Tue, Oct 10, 2023	83.17	84.96	82.82	83.73
6171	NASDAQ	MKSI	Mon, Oct 9, 2023	82.17	82.78	80.79	82.72
6170	NASDAQ	MKSI	Fri, Oct 6, 2023	82.62	84.50	81.72	83.35
6169	NASDAQ	MKSI	Thu, Oct 5, 2023	86.22	86.51	82.95	83.35
6168	NASDAQ	MKSI	Wed, Oct 4, 2023	85.36	86.41	84.21	86.04
6167	NASDAQ	MKSI	Tue, Oct 3, 2023	86.62	87.49	84.06	84.59
6166	NASDAQ	MKSI	Mon, Oct 2, 2023	87.15	88.98	86.73	87.49
6165	NASDAQ	MKSI	Fri, Sep 29, 2023	86.09	87.29	86.04	86.54
6164	NASDAQ	MKSI	Thu, Sep 28, 2023	82.76	85.81	82.76	84.80
6163	NASDAQ	MKSI	Wed, Sep 27, 2023	83.98	84.70	82.83	83.51
6162	NASDAQ	MKSI	Tue, Sep 26, 2023	84.25	84.76	82.91	83.17
6161	NASDAQ	MKSI	Mon, Sep 25, 2023	83.75	85.28	83.75	85.05
6160	NASDAQ	MKSI	Fri, Sep 22, 2023	85.88	86.38	84.34	84.49
6159	NASDAQ	MKSI	Thu, Sep 21, 2023	86.02	87.07	84.79	84.88
6158	NASDAQ	MKSI	Wed, Sep 20, 2023	87.37	89.01	86.86	87.31
6157	NASDAQ	MKSI	Tue, Sep 19, 2023	87.83	88.05	86.92	87.08
6156	NASDAQ	MKSI	Mon, Sep 18, 2023	87.92	89.44	87.58	88.42
6155	NASDAQ	MKSI	Fri, Sep 15, 2023	89.02	89.09	87.58	88.54
6154	NASDAQ	MKSI	Thu, Sep 14, 2023	91.43	92.00	89.01	89.85
6153	NASDAQ	MKSI	Wed, Sep 13, 2023	90.76	91.78	89.81	90.17
6152	NASDAQ	MKSI	Tue, Sep 12, 2023	91.21	92.75	90.76	90.94
6151	NASDAQ	MKSI	Mon, Sep 11, 2023	91.82	91.82	91.82	91.82
6150	NASDAQ	MKSI	Fri, Sep 8, 2023	93.13	93.77	91.42	92.50
6149	NASDAQ	MKSI	Thu, Sep 7, 2023	96.10	96.10	92.88	93.35
6148	NASDAQ	MKSI	Wed, Sep 6, 2023	99.74	100.66	96.43	97.90
6147	NASDAQ	MKSI	Tue, Sep 5, 2023	100.45	101.01	99.15	99.90
6146	NASDAQ	MKSI	Fri, Sep 1, 2023	100.93	101.62	100.30	100.81
6145	NASDAQ	MKSI	Thu, Aug 31, 2023	98.63	100.60	97.88	100.23
6144	NASDAQ	MKSI	Wed, Aug 30, 2023	97.19	99.62	96.58	98.63
6143	NASDAQ	MKSI	Tue, Aug 29, 2023	95.02	98.62	95.02	97.80
6142	NASDAQ	MKSI	Mon, Aug 28, 2023	95.66	96.51	94.69	95.60
6141	NASDAQ	MKSI	Fri, Aug 25, 2023	93.78	95.55	92.50	94.70
6140	NASDAQ	MKSI	Thu, Aug 24, 2023	98.06	98.52	93.41	93.59
6139	NASDAQ	MKSI	Wed, Aug 23, 2023	94.30	97.52	93.94	97.19
6138	NASDAQ	MKSI	Tue, Aug 22, 2023	96.16	96.16	93.56	94.59
6137	NASDAQ	MKSI	Mon, Aug 21, 2023	91.89	95.54	91.89	95.09
6136	NASDAQ	MKSI	Fri, Aug 18, 2023	89.32	92.23	88.44	91.89
6135	NASDAQ	MKSI	Thu, Aug 17, 2023	91.95	92.33	90.29	90.30
6134	NASDAQ	MKSI	Wed, Aug 16, 2023	93.77	93.97	91.67	91.84
6133	NASDAQ	MKSI	Tue, Aug 15, 2023	94.98	95.85	93.92	94.17
6132	NASDAQ	MKSI	Mon, Aug 14, 2023	93.54	95.96	93.12	95.92
6131	NASDAQ	MKSI	Fri, Aug 11, 2023	95.46	95.79	93.80	94.09
6130	NASDAQ	MKSI	Thu, Aug 10, 2023	98.31	99.49	96.31	96.56
6129	NASDAQ	MKSI	Wed, Aug 9, 2023	98.81	99.32	96.81	96.92
6128	NASDAQ	MKSI	Tue, Aug 8, 2023	99.07	99.44	97.91	99.08
6127	NASDAQ	MKSI	Mon, Aug 7, 2023	100.63	102.14	100.38	100.67
6126	NASDAQ	MKSI	Fri, Aug 4, 2023	101.65	101.92	99.29	100.29
6125	NASDAQ	MKSI	Thu, Aug 3, 2023	102.58	102.90	98.98	101.41
6124	NASDAQ	MKSI	Wed, Aug 2, 2023	105.42	105.42	101.48	102.58
6123	NASDAQ	MKSI	Tue, Aug 1, 2023	108.45	108.61	107.20	107.63
6122	NASDAQ	MKSI	Mon, Jul 31, 2023	108.64	109.83	107.94	109.17
6121	NASDAQ	MKSI	Fri, Jul 28, 2023	106.71	109.57	106.56	108.34
6120	NASDAQ	MKSI	Thu, Jul 27, 2023	105.43	107.67	103.39	104.60
6119	NASDAQ	MKSI	Wed, Jul 26, 2023	102.52	104.20	102.01	102.73
6118	NASDAQ	MKSI	Tue, Jul 25, 2023	103.38	104.33	102.96	103.35
6117	NASDAQ	MKSI	Mon, Jul 24, 2023	103.53	104.67	102.99	103.48
6116	NASDAQ	MKSI	Fri, Jul 21, 2023	103.78	104.43	103.03	103.66
6115	NASDAQ	MKSI	Thu, Jul 20, 2023	104.90	105.22	102.62	103.08
6114	NASDAQ	MKSI	Wed, Jul 19, 2023	108.11	108.16	105.72	106.54
6113	NASDAQ	MKSI	Tue, Jul 18, 2023	108.00	108.64	106.58	107.68
6112	NASDAQ	MKSI	Mon, Jul 17, 2023	107.82	109.63	106.43	108.89
6111	NASDAQ	MKSI	Fri, Jul 14, 2023	109.63	109.63	106.58	107.43
6110	NASDAQ	MKSI	Thu, Jul 13, 2023	107.25	109.93	107.11	109.50
6109	NASDAQ	MKSI	Wed, Jul 12, 2023	108.50	108.77	105.93	106.21
6108	NASDAQ	MKSI	Tue, Jul 11, 2023	106.05	106.54	103.93	106.20
6107	NASDAQ	MKSI	Mon, Jul 10, 2023	105.26	106.36	104.36	105.78
6106	NASDAQ	MKSI	Fri, Jul 7, 2023	105.42	107.19	104.51	105.03
6105	NASDAQ	MKSI	Thu, Jul 6, 2023	103.82	104.77	102.70	104.60
6104	NASDAQ	MKSI	Wed, Jul 5, 2023	107.87	108.01	105.58	105.70
6103	NASDAQ	MKSI	Mon, Jul 3, 2023	108.49	109.12	106.93	108.99
6102	NASDAQ	MKSI	Fri, Jun 30, 2023	107.94	109.03	106.61	108.10
6101	NASDAQ	MKSI	Thu, Jun 29, 2023	107.00	107.26	104.38	106.41
6100	NASDAQ	MKSI	Wed, Jun 28, 2023	108.52	110.20	108.21	109.58
6099	NASDAQ	MKSI	Tue, Jun 27, 2023	104.26	110.47	103.16	110.27
6098	NASDAQ	MKSI	Mon, Jun 26, 2023	101.75	105.20	101.16	103.99
6097	NASDAQ	MKSI	Fri, Jun 23, 2023	101.92	103.14	100.72	101.19
6096	NASDAQ	MKSI	Thu, Jun 22, 2023	102.41	105.22	102.41	104.22
6095	NASDAQ	MKSI	Wed, Jun 21, 2023	105.46	106.07	103.06	103.06
6094	NASDAQ	MKSI	Tue, Jun 20, 2023	104.89	106.19	103.98	105.98
6093	NASDAQ	MKSI	Fri, Jun 16, 2023	105.70	106.39	104.05	105.18
6092	NASDAQ	MKSI	Thu, Jun 15, 2023	103.31	105.47	103.28	105.06
6091	NASDAQ	MKSI	Wed, Jun 14, 2023	103.67	106.00	102.94	105.18
6090	NASDAQ	MKSI	Tue, Jun 13, 2023	103.57	104.81	101.91	104.48
6089	NASDAQ	MKSI	Mon, Jun 12, 2023	100.98	102.04	100.81	101.70
6088	NASDAQ	MKSI	Fri, Jun 9, 2023	101.90	102.44	99.89	100.82
6087	NASDAQ	MKSI	Thu, Jun 8, 2023	100.62	101.82	98.95	101.27
6086	NASDAQ	MKSI	Wed, Jun 7, 2023	99.73	102.35	98.17	100.16
6085	NASDAQ	MKSI	Tue, Jun 6, 2023	93.90	98.52	93.90	98.35
6084	NASDAQ	MKSI	Mon, Jun 5, 2023	95.86	96.48	93.90	95.33
6083	NASDAQ	MKSI	Fri, Jun 2, 2023	95.36	97.01	92.26	96.60
6082	NASDAQ	MKSI	Thu, Jun 1, 2023	97.16	100.34	95.24	99.15
6081	NASDAQ	MKSI	Wed, May 31, 2023	97.02	99.03	96.15	97.31
6080	NASDAQ	MKSI	Tue, May 30, 2023	101.62	102.15	97.86	99.14
6079	NASDAQ	MKSI	Fri, May 26, 2023	93.50	99.88	93.13	99.48
6078	NASDAQ	MKSI	Thu, May 25, 2023	89.94	93.40	88.74	93.00
6077	NASDAQ	MKSI	Wed, May 24, 2023	86.92	87.99	85.96	87.68
6076	NASDAQ	MKSI	Tue, May 23, 2023	89.54	90.42	88.65	88.86
6075	NASDAQ	MKSI	Mon, May 22, 2023	87.32	90.70	86.86	90.45
6074	NASDAQ	MKSI	Fri, May 19, 2023	89.55	90.59	87.37	87.60
6073	NASDAQ	MKSI	Thu, May 18, 2023	87.44	89.88	87.21	89.54
6072	NASDAQ	MKSI	Wed, May 17, 2023	85.10	87.92	84.33	87.24
6071	NASDAQ	MKSI	Tue, May 16, 2023	85.18	86.86	84.15	84.42
6070	NASDAQ	MKSI	Mon, May 15, 2023	82.50	85.59	81.75	85.56
6069	NASDAQ	MKSI	Fri, May 12, 2023	82.42	82.71	80.90	82.01
6068	NASDAQ	MKSI	Thu, May 11, 2023	84.63	84.93	80.92	82.05
6067	NASDAQ	MKSI	Wed, May 10, 2023	84.14	85.30	82.95	84.60
6066	NASDAQ	MKSI	Tue, May 9, 2023	81.49	83.27	80.76	82.80
6065	NASDAQ	MKSI	Mon, May 8, 2023	86.76	87.19	81.69	82.91
6064	NASDAQ	MKSI	Fri, May 5, 2023	85.29	89.48	84.64	88.52
6063	NASDAQ	MKSI	Thu, May 4, 2023	83.55	84.89	80.01	84.16
6062	NASDAQ	MKSI	Wed, May 3, 2023	82.57	84.74	82.43	82.57
6061	NASDAQ	MKSI	Tue, May 2, 2023	83.56	83.84	81.56	82.46
6060	NASDAQ	MKSI	Mon, May 1, 2023	83.62	84.98	83.37	83.98
6059	NASDAQ	MKSI	Fri, Apr 28, 2023	82.58	84.44	81.72	83.87
6058	NASDAQ	MKSI	Thu, Apr 27, 2023	80.99	82.75	80.14	82.51
6057	NASDAQ	MKSI	Wed, Apr 26, 2023	80.63	81.41	79.63	80.60
6056	NASDAQ	MKSI	Tue, Apr 25, 2023	82.53	83.54	79.75	79.76
6055	NASDAQ	MKSI	Mon, Apr 24, 2023	84.57	85.44	82.43	83.50
6054	NASDAQ	MKSI	Fri, Apr 21, 2023	83.76	85.28	82.91	85.03
6053	NASDAQ	MKSI	Thu, Apr 20, 2023	81.37	84.78	81.37	84.09
6052	NASDAQ	MKSI	Wed, Apr 19, 2023	80.49	82.05	79.68	81.84
6051	NASDAQ	MKSI	Tue, Apr 18, 2023	82.71	83.20	80.80	81.61
6050	NASDAQ	MKSI	Mon, Apr 17, 2023	81.13	82.64	80.68	82.38
6049	NASDAQ	MKSI	Fri, Apr 14, 2023	83.32	84.27	81.61	82.54
6048	NASDAQ	MKSI	Thu, Apr 13, 2023	82.58	84.27	82.06	83.56
6047	NASDAQ	MKSI	Wed, Apr 12, 2023	86.20	86.24	82.19	82.21
6046	NASDAQ	MKSI	Tue, Apr 11, 2023	84.97	85.82	84.55	84.74
6045	NASDAQ	MKSI	Mon, Apr 10, 2023	81.80	84.94	81.72	84.90
6044	NASDAQ	MKSI	Thu, Apr 6, 2023	83.41	83.93	82.02	83.01
6043	NASDAQ	MKSI	Wed, Apr 5, 2023	84.01	84.59	83.30	84.16
6042	NASDAQ	MKSI	Tue, Apr 4, 2023	87.67	87.67	84.06	85.09
6041	NASDAQ	MKSI	Mon, Apr 3, 2023	87.87	88.79	85.64	87.18
6040	NASDAQ	MKSI	Fri, Mar 31, 2023	87.09	89.01	87.01	88.62
6039	NASDAQ	MKSI	Thu, Mar 30, 2023	88.04	88.58	86.78	87.41
6038	NASDAQ	MKSI	Wed, Mar 29, 2023	85.00	87.30	83.60	86.47
6037	NASDAQ	MKSI	Tue, Mar 28, 2023	83.75	84.06	81.87	83.13
6036	NASDAQ	MKSI	Mon, Mar 27, 2023	86.01	86.67	83.80	84.06
6035	NASDAQ	MKSI	Fri, Mar 24, 2023	84.76	85.64	83.62	84.96
6034	NASDAQ	MKSI	Thu, Mar 23, 2023	85.49	87.82	84.49	86.06
6033	NASDAQ	MKSI	Wed, Mar 22, 2023	86.53	88.26	83.70	83.80
6032	NASDAQ	MKSI	Tue, Mar 21, 2023	88.18	89.37	86.14	86.84
6031	NASDAQ	MKSI	Mon, Mar 20, 2023	87.30	88.29	86.61	87.45
6030	NASDAQ	MKSI	Fri, Mar 17, 2023	90.45	90.49	86.72	86.98
6029	NASDAQ	MKSI	Thu, Mar 16, 2023	85.89	91.11	85.07	90.66
6028	NASDAQ	MKSI	Wed, Mar 15, 2023	86.67	87.45	84.95	87.05
6027	NASDAQ	MKSI	Tue, Mar 14, 2023	89.59	91.03	87.89	89.00
6026	NASDAQ	MKSI	Mon, Mar 13, 2023	86.13	88.22	85.24	87.01
6025	NASDAQ	MKSI	Fri, Mar 10, 2023	90.33	91.12	86.72	87.48
6024	NASDAQ	MKSI	Thu, Mar 9, 2023	92.80	94.46	90.02	90.20
6023	NASDAQ	MKSI	Wed, Mar 8, 2023	91.43	93.37	91.43	93.06
6022	NASDAQ	MKSI	Tue, Mar 7, 2023	92.82	93.75	90.88	91.13
6021	NASDAQ	MKSI	Mon, Mar 6, 2023	97.06	97.80	92.60	93.08
6020	NASDAQ	MKSI	Fri, Mar 3, 2023	95.38	96.83	93.53	96.53
6019	NASDAQ	MKSI	Thu, Mar 2, 2023	92.56	95.27	91.44	94.59
6018	NASDAQ	MKSI	Wed, Mar 1, 2023	96.92	97.30	94.45	94.55
6017	NASDAQ	MKSI	Tue, Feb 28, 2023	95.53	99.86	95.34	96.93
6016	NASDAQ	MKSI	Mon, Feb 27, 2023	92.92	93.67	91.43	92.18
6015	NASDAQ	MKSI	Fri, Feb 24, 2023	90.88	92.67	90.22	91.52
6014	NASDAQ	MKSI	Thu, Feb 23, 2023	94.25	94.29	91.65	93.21
6013	NASDAQ	MKSI	Wed, Feb 22, 2023	92.34	93.05	90.38	91.80
6012	NASDAQ	MKSI	Tue, Feb 21, 2023	93.41	94.47	91.44	91.71
6011	NASDAQ	MKSI	Fri, Feb 17, 2023	97.56	98.00	93.78	95.24
6010	NASDAQ	MKSI	Thu, Feb 16, 2023	98.70	99.78	97.69	98.23
6009	NASDAQ	MKSI	Wed, Feb 15, 2023	98.70	100.58	98.09	100.29
6008	NASDAQ	MKSI	Tue, Feb 14, 2023	97.94	100.74	96.38	99.63
6007	NASDAQ	MKSI	Mon, Feb 13, 2023	99.26	99.97	95.76	99.53
6006	NASDAQ	MKSI	Fri, Feb 10, 2023	100.90	101.22	99.16	100.84
6005	NASDAQ	MKSI	Thu, Feb 9, 2023	105.71	106.21	101.36	101.85
6004	NASDAQ	MKSI	Wed, Feb 8, 2023	106.07	106.94	103.76	104.09
6003	NASDAQ	MKSI	Tue, Feb 7, 2023	105.52	107.26	103.50	107.03
6002	NASDAQ	MKSI	Mon, Feb 6, 2023	105.85	106.55	103.17	104.93
6001	NASDAQ	MKSI	Fri, Feb 3, 2023	109.98	112.49	108.96	109.24
6000	NASDAQ	MKSI	Thu, Feb 2, 2023	110.90	114.15	110.27	112.97
5999	NASDAQ	MKSI	Wed, Feb 1, 2023	102.71	110.25	102.30	109.07
5998	NASDAQ	MKSI	Tue, Jan 31, 2023	98.60	102.36	97.74	102.32
5997	NASDAQ	MKSI	Mon, Jan 30, 2023	102.93	103.64	98.08	98.63
5996	NASDAQ	MKSI	Fri, Jan 27, 2023	104.66	106.27	103.43	105.24
5995	NASDAQ	MKSI	Thu, Jan 26, 2023	105.08	106.90	102.86	106.75
5994	NASDAQ	MKSI	Wed, Jan 25, 2023	100.78	104.06	100.05	103.71
5993	NASDAQ	MKSI	Tue, Jan 24, 2023	103.61	105.30	102.69	103.30
5992	NASDAQ	MKSI	Mon, Jan 23, 2023	99.70	105.70	99.49	105.42
5991	NASDAQ	MKSI	Fri, Jan 20, 2023	97.38	99.97	96.30	99.63
5990	NASDAQ	MKSI	Thu, Jan 19, 2023	97.45	98.00	94.59	95.60
5989	NASDAQ	MKSI	Wed, Jan 18, 2023	101.02	102.42	98.85	98.97
5988	NASDAQ	MKSI	Tue, Jan 17, 2023	100.03	100.34	98.02	99.85
5987	NASDAQ	MKSI	Fri, Jan 13, 2023	98.25	100.85	98.18	100.72
5986	NASDAQ	MKSI	Thu, Jan 12, 2023	99.68	99.68	96.69	99.37
5985	NASDAQ	MKSI	Wed, Jan 11, 2023	97.86	98.95	95.76	98.90
5984	NASDAQ	MKSI	Tue, Jan 10, 2023	98.21	99.75	96.83	98.70
5983	NASDAQ	MKSI	Mon, Jan 9, 2023	99.00	99.61	96.32	98.40
5982	NASDAQ	MKSI	Fri, Jan 6, 2023	91.16	98.64	90.09	97.48
5981	NASDAQ	MKSI	Thu, Jan 5, 2023	89.55	90.12	87.48	89.62
5980	NASDAQ	MKSI	Wed, Jan 4, 2023	85.75	90.35	85.35	89.56
5979	NASDAQ	MKSI	Tue, Jan 3, 2023	86.81	87.43	83.32	84.67
5978	NASDAQ	MKSI	Fri, Dec 30, 2022	83.35	84.88	82.45	84.73
5977	NASDAQ	MKSI	Thu, Dec 29, 2022	82.90	85.67	82.29	85.11
5976	NASDAQ	MKSI	Wed, Dec 28, 2022	82.33	83.57	80.74	81.22
5975	NASDAQ	MKSI	Tue, Dec 27, 2022	82.83	83.51	80.61	82.98
5974	NASDAQ	MKSI	Fri, Dec 23, 2022	82.85	83.72	80.29	83.69
5973	NASDAQ	MKSI	Thu, Dec 22, 2022	82.57	83.92	81.63	83.48
5972	NASDAQ	MKSI	Wed, Dec 21, 2022	85.05	86.22	84.00	85.13
5971	NASDAQ	MKSI	Tue, Dec 20, 2022	81.13	85.33	79.70	84.07
5970	NASDAQ	MKSI	Mon, Dec 19, 2022	81.42	82.28	77.73	80.72
5969	NASDAQ	MKSI	Fri, Dec 16, 2022	81.59	82.69	80.02	82.25
5968	NASDAQ	MKSI	Thu, Dec 15, 2022	84.65	84.98	81.43	81.45
5967	NASDAQ	MKSI	Wed, Dec 14, 2022	85.59	87.78	84.53	85.36
5966	NASDAQ	MKSI	Tue, Dec 13, 2022	88.76	91.53	85.76	87.05
5965	NASDAQ	MKSI	Mon, Dec 12, 2022	81.21	84.76	81.20	84.26
5964	NASDAQ	MKSI	Fri, Dec 9, 2022	82.83	84.43	81.97	82.01
5963	NASDAQ	MKSI	Thu, Dec 8, 2022	82.36	84.24	81.43	84.15
5962	NASDAQ	MKSI	Wed, Dec 7, 2022	80.79	82.25	80.10	81.73
5961	NASDAQ	MKSI	Tue, Dec 6, 2022	85.65	86.40	80.61	81.56
5960	NASDAQ	MKSI	Mon, Dec 5, 2022	83.76	86.49	83.40	85.87
5959	NASDAQ	MKSI	Fri, Dec 2, 2022	81.50	83.93	81.10	83.86
5958	NASDAQ	MKSI	Thu, Dec 1, 2022	83.86	84.77	80.86	83.28
5957	NASDAQ	MKSI	Wed, Nov 30, 2022	79.08	84.10	76.65	83.86
5956	NASDAQ	MKSI	Tue, Nov 29, 2022	78.73	79.33	77.57	78.49
5955	NASDAQ	MKSI	Mon, Nov 28, 2022	79.78	80.79	78.30	78.61
5954	NASDAQ	MKSI	Fri, Nov 25, 2022	80.55	81.58	80.09	81.08
5953	NASDAQ	MKSI	Wed, Nov 23, 2022	76.06	81.98	76.06	81.41
5952	NASDAQ	MKSI	Tue, Nov 22, 2022	74.27	76.51	72.51	76.40
5951	NASDAQ	MKSI	Mon, Nov 21, 2022	73.44	73.86	71.62	73.27
5950	NASDAQ	MKSI	Fri, Nov 18, 2022	76.93	77.16	74.09	74.57
5949	NASDAQ	MKSI	Thu, Nov 17, 2022	71.80	75.24	71.29	75.08
5948	NASDAQ	MKSI	Wed, Nov 16, 2022	79.17	79.17	73.85	74.15
5947	NASDAQ	MKSI	Tue, Nov 15, 2022	80.28	81.64	79.60	81.00
5946	NASDAQ	MKSI	Mon, Nov 14, 2022	79.60	80.09	76.34	77.30
5945	NASDAQ	MKSI	Fri, Nov 11, 2022	77.41	81.14	76.08	80.32
5944	NASDAQ	MKSI	Thu, Nov 10, 2022	69.05	77.28	68.70	77.01
5943	NASDAQ	MKSI	Wed, Nov 9, 2022	66.41	67.03	64.77	65.09
5942	NASDAQ	MKSI	Tue, Nov 8, 2022	68.32	70.27	66.25	67.87
5941	NASDAQ	MKSI	Mon, Nov 7, 2022	68.35	68.42	65.43	67.71
5940	NASDAQ	MKSI	Fri, Nov 4, 2022	69.96	70.60	66.32	67.21
5939	NASDAQ	MKSI	Thu, Nov 3, 2022	74.89	75.13	68.35	69.17
5938	NASDAQ	MKSI	Wed, Nov 2, 2022	82.82	84.34	79.46	79.96
5937	NASDAQ	MKSI	Tue, Nov 1, 2022	84.48	84.68	82.67	83.43
5936	NASDAQ	MKSI	Mon, Oct 31, 2022	83.87	83.87	81.97	82.15
5935	NASDAQ	MKSI	Fri, Oct 28, 2022	80.13	84.71	79.69	84.58
5934	NASDAQ	MKSI	Thu, Oct 27, 2022	81.90	82.58	79.87	79.97
5933	NASDAQ	MKSI	Wed, Oct 26, 2022	80.72	83.85	80.39	81.05
5932	NASDAQ	MKSI	Tue, Oct 25, 2022	79.64	81.98	79.54	81.92
5931	NASDAQ	MKSI	Mon, Oct 24, 2022	79.08	80.53	77.75	78.93
5930	NASDAQ	MKSI	Fri, Oct 21, 2022	77.37	79.26	76.42	79.22
5929	NASDAQ	MKSI	Thu, Oct 20, 2022	78.64	80.63	76.96	77.63
5928	NASDAQ	MKSI	Wed, Oct 19, 2022	75.98	77.88	75.43	77.65
5927	NASDAQ	MKSI	Tue, Oct 18, 2022	78.85	79.48	75.73	76.58
5926	NASDAQ	MKSI	Mon, Oct 17, 2022	76.60	76.93	75.13	76.40
5925	NASDAQ	MKSI	Fri, Oct 14, 2022	79.66	79.68	74.24	74.65
5924	NASDAQ	MKSI	Thu, Oct 13, 2022	73.55	79.75	72.47	78.91
5923	NASDAQ	MKSI	Wed, Oct 12, 2022	78.50	79.26	76.59	77.09
5922	NASDAQ	MKSI	Tue, Oct 11, 2022	80.00	80.97	77.25	79.35
5921	NASDAQ	MKSI	Mon, Oct 10, 2022	83.10	83.79	80.13	81.41
5920	NASDAQ	MKSI	Fri, Oct 7, 2022	85.29	85.44	82.38	82.87
5919	NASDAQ	MKSI	Thu, Oct 6, 2022	88.74	90.46	87.87	88.05
5918	NASDAQ	MKSI	Wed, Oct 5, 2022	86.63	89.94	85.77	89.25
5917	NASDAQ	MKSI	Tue, Oct 4, 2022	88.17	89.12	87.52	88.89
5916	NASDAQ	MKSI	Mon, Oct 3, 2022	84.14	86.92	83.64	85.57
5915	NASDAQ	MKSI	Fri, Sep 30, 2022	83.69	84.99	82.54	82.64
5914	NASDAQ	MKSI	Thu, Sep 29, 2022	84.25	85.32	83.51	85.04
5913	NASDAQ	MKSI	Wed, Sep 28, 2022	83.11	86.78	82.45	86.04
5912	NASDAQ	MKSI	Tue, Sep 27, 2022	83.25	84.63	81.50	83.91
5911	NASDAQ	MKSI	Mon, Sep 26, 2022	84.85	85.44	82.08	82.31
5910	NASDAQ	MKSI	Fri, Sep 23, 2022	84.27	84.90	82.39	84.82
5909	NASDAQ	MKSI	Thu, Sep 22, 2022	87.28	87.94	84.07	85.02
5908	NASDAQ	MKSI	Wed, Sep 21, 2022	88.45	90.95	87.29	87.35
5907	NASDAQ	MKSI	Tue, Sep 20, 2022	89.05	89.53	87.46	88.39
5906	NASDAQ	MKSI	Mon, Sep 19, 2022	88.23	90.97	88.23	90.47
5905	NASDAQ	MKSI	Fri, Sep 16, 2022	89.74	90.31	87.67	89.11
5904	NASDAQ	MKSI	Thu, Sep 15, 2022	92.41	93.07	89.74	90.94
5903	NASDAQ	MKSI	Wed, Sep 14, 2022	94.47	95.50	92.25	93.50
5902	NASDAQ	MKSI	Tue, Sep 13, 2022	95.86	96.70	93.66	94.03
5901	NASDAQ	MKSI	Mon, Sep 12, 2022	100.92	101.92	99.45	100.20
5900	NASDAQ	MKSI	Fri, Sep 9, 2022	99.42	101.01	99.20	100.29
5899	NASDAQ	MKSI	Thu, Sep 8, 2022	95.28	98.15	94.68	97.82
5898	NASDAQ	MKSI	Wed, Sep 7, 2022	95.64	97.71	93.78	96.87
5897	NASDAQ	MKSI	Tue, Sep 6, 2022	96.64	97.29	94.47	94.97
5896	NASDAQ	MKSI	Fri, Sep 2, 2022	98.75	99.81	96.48	97.13
5895	NASDAQ	MKSI	Thu, Sep 1, 2022	96.72	97.91	94.12	96.96
5894	NASDAQ	MKSI	Wed, Aug 31, 2022	100.55	100.63	98.08	99.61
5893	NASDAQ	MKSI	Tue, Aug 30, 2022	103.36	103.45	99.06	100.55
5892	NASDAQ	MKSI	Mon, Aug 29, 2022	102.04	103.32	100.62	101.79
5891	NASDAQ	MKSI	Fri, Aug 26, 2022	110.17	111.06	102.91	102.93
5890	NASDAQ	MKSI	Thu, Aug 25, 2022	105.82	109.49	105.73	109.29
5889	NASDAQ	MKSI	Wed, Aug 24, 2022	106.06	106.61	104.59	105.98
5888	NASDAQ	MKSI	Tue, Aug 23, 2022	104.30	107.14	104.27	105.94
5887	NASDAQ	MKSI	Mon, Aug 22, 2022	105.65	106.55	103.59	104.41
5886	NASDAQ	MKSI	Fri, Aug 19, 2022	110.82	111.50	108.21	108.47
5885	NASDAQ	MKSI	Thu, Aug 18, 2022	110.56	113.09	110.01	112.55
5884	NASDAQ	MKSI	Wed, Aug 17, 2022	114.75	115.44	107.72	110.30
5883	NASDAQ	MKSI	Tue, Aug 16, 2022	118.85	118.85	115.97	117.09
5882	NASDAQ	MKSI	Mon, Aug 15, 2022	120.15	121.42	117.52	118.85
5881	NASDAQ	MKSI	Fri, Aug 12, 2022	117.90	121.22	117.59	120.81
5880	NASDAQ	MKSI	Thu, Aug 11, 2022	117.41	119.46	115.83	116.51
5879	NASDAQ	MKSI	Wed, Aug 10, 2022	114.22	116.07	112.40	116.01
5878	NASDAQ	MKSI	Tue, Aug 9, 2022	115.82	116.00	108.28	110.70
5877	NASDAQ	MKSI	Mon, Aug 8, 2022	119.70	122.89	116.41	118.38
5876	NASDAQ	MKSI	Fri, Aug 5, 2022	121.20	122.97	119.74	120.65
5875	NASDAQ	MKSI	Thu, Aug 4, 2022	121.52	123.93	121.02	123.77
5874	NASDAQ	MKSI	Wed, Aug 3, 2022	119.02	122.59	117.90	121.52
5873	NASDAQ	MKSI	Tue, Aug 2, 2022	118.41	120.06	116.74	116.95
5872	NASDAQ	MKSI	Mon, Aug 1, 2022	117.51	120.76	116.92	120.27
5871	NASDAQ	MKSI	Fri, Jul 29, 2022	117.27	119.80	116.01	118.20
5870	NASDAQ	MKSI	Thu, Jul 28, 2022	114.40	118.20	112.03	117.50
5869	NASDAQ	MKSI	Wed, Jul 27, 2022	110.51	112.84	109.26	112.00
5868	NASDAQ	MKSI	Tue, Jul 26, 2022	107.61	109.33	107.50	107.94
5867	NASDAQ	MKSI	Mon, Jul 25, 2022	109.16	109.30	107.43	109.23
5866	NASDAQ	MKSI	Fri, Jul 22, 2022	111.41	112.43	106.17	109.64
5865	NASDAQ	MKSI	Thu, Jul 21, 2022	112.16	112.60	109.87	112.02
5864	NASDAQ	MKSI	Wed, Jul 20, 2022	106.72	112.09	105.74	111.58
5863	NASDAQ	MKSI	Tue, Jul 19, 2022	103.18	107.32	102.84	106.95
5862	NASDAQ	MKSI	Mon, Jul 18, 2022	104.05	104.36	100.71	101.28
5861	NASDAQ	MKSI	Fri, Jul 15, 2022	102.27	102.99	100.78	102.75
5860	NASDAQ	MKSI	Thu, Jul 14, 2022	99.65	101.69	97.38	101.08
5859	NASDAQ	MKSI	Wed, Jul 13, 2022	96.86	100.22	96.86	99.93
5858	NASDAQ	MKSI	Tue, Jul 12, 2022	98.40	100.51	97.95	99.10
5857	NASDAQ	MKSI	Mon, Jul 11, 2022	98.21	99.12	97.38	97.72
5856	NASDAQ	MKSI	Fri, Jul 8, 2022	98.50	100.25	97.50	99.51
5855	NASDAQ	MKSI	Thu, Jul 7, 2022	100.27	101.05	98.77	99.74
5854	NASDAQ	MKSI	Wed, Jul 6, 2022	97.10	98.77	95.07	97.79
5853	NASDAQ	MKSI	Tue, Jul 5, 2022	93.82	97.86	92.66	97.16
5852	NASDAQ	MKSI	Fri, Jul 1, 2022	101.08	102.16	95.21	96.32
5851	NASDAQ	MKSI	Thu, Jun 30, 2022	101.72	105.89	99.85	102.63
5850	NASDAQ	MKSI	Wed, Jun 29, 2022	103.32	103.57	101.53	102.84
5849	NASDAQ	MKSI	Tue, Jun 28, 2022	107.89	108.70	104.29	104.53
5848	NASDAQ	MKSI	Mon, Jun 27, 2022	106.50	108.35	104.72	107.11
5847	NASDAQ	MKSI	Fri, Jun 24, 2022	101.20	106.03	100.25	105.91
5846	NASDAQ	MKSI	Thu, Jun 23, 2022	100.79	101.07	97.64	99.35
5845	NASDAQ	MKSI	Wed, Jun 22, 2022	101.17	103.68	100.52	100.66
5844	NASDAQ	MKSI	Tue, Jun 21, 2022	102.23	104.60	102.04	102.92
5843	NASDAQ	MKSI	Fri, Jun 17, 2022	101.29	102.15	99.67	100.36
5842	NASDAQ	MKSI	Thu, Jun 16, 2022	105.00	105.55	99.62	100.39
5841	NASDAQ	MKSI	Wed, Jun 15, 2022	108.13	110.62	106.34	108.31
5840	NASDAQ	MKSI	Tue, Jun 14, 2022	108.55	108.57	106.42	107.46
5839	NASDAQ	MKSI	Mon, Jun 13, 2022	108.76	110.09	105.46	106.81
5838	NASDAQ	MKSI	Fri, Jun 10, 2022	112.40	113.82	111.35	112.59
5837	NASDAQ	MKSI	Thu, Jun 9, 2022	118.03	118.91	113.97	114.04
5836	NASDAQ	MKSI	Wed, Jun 8, 2022	122.02	122.49	118.39	119.10
5835	NASDAQ	MKSI	Tue, Jun 7, 2022	120.11	122.47	119.81	121.55
5834	NASDAQ	MKSI	Mon, Jun 6, 2022	123.16	123.89	120.73	121.91
5833	NASDAQ	MKSI	Fri, Jun 3, 2022	122.58	122.61	120.04	120.40
5832	NASDAQ	MKSI	Thu, Jun 2, 2022	121.11	125.56	120.49	125.46
5831	NASDAQ	MKSI	Wed, Jun 1, 2022	125.09	125.09	119.34	121.60
5830	NASDAQ	MKSI	Tue, May 31, 2022	122.54	123.94	120.01	123.50
5829	NASDAQ	MKSI	Fri, May 27, 2022	120.92	122.60	120.59	122.41
5828	NASDAQ	MKSI	Thu, May 26, 2022	116.84	120.74	114.32	119.42
5827	NASDAQ	MKSI	Wed, May 25, 2022	114.35	117.60	114.19	116.90
5826	NASDAQ	MKSI	Tue, May 24, 2022	116.78	117.92	113.92	114.68
5825	NASDAQ	MKSI	Mon, May 23, 2022	117.52	119.77	116.60	118.54
5824	NASDAQ	MKSI	Fri, May 20, 2022	118.72	118.72	112.44	117.51
5823	NASDAQ	MKSI	Thu, May 19, 2022	114.93	118.13	114.63	116.08
5822	NASDAQ	MKSI	Wed, May 18, 2022	119.95	122.08	114.24	115.44
5821	NASDAQ	MKSI	Tue, May 17, 2022	118.07	123.10	118.07	122.54
5820	NASDAQ	MKSI	Mon, May 16, 2022	116.68	117.62	114.62	114.94
5819	NASDAQ	MKSI	Fri, May 13, 2022	115.68	118.83	115.10	118.14
5818	NASDAQ	MKSI	Thu, May 12, 2022	110.81	114.17	110.59	114.00
5817	NASDAQ	MKSI	Wed, May 11, 2022	113.41	115.98	111.46	111.54
5816	NASDAQ	MKSI	Tue, May 10, 2022	116.90	117.96	112.00	114.61
5815	NASDAQ	MKSI	Mon, May 9, 2022	115.48	117.89	112.85	114.05
5814	NASDAQ	MKSI	Fri, May 6, 2022	117.71	121.43	115.69	118.75
5813	NASDAQ	MKSI	Thu, May 5, 2022	123.92	124.01	117.46	119.26
5812	NASDAQ	MKSI	Wed, May 4, 2022	119.76	126.49	118.49	126.15
5811	NASDAQ	MKSI	Tue, May 3, 2022	118.65	121.11	117.28	119.80
5810	NASDAQ	MKSI	Mon, May 2, 2022	114.36	118.65	113.88	118.50
5809	NASDAQ	MKSI	Fri, Apr 29, 2022	116.95	120.30	113.77	113.98
5808	NASDAQ	MKSI	Thu, Apr 28, 2022	113.55	119.47	112.29	118.51
5807	NASDAQ	MKSI	Wed, Apr 27, 2022	110.79	116.14	110.26	112.00
5806	NASDAQ	MKSI	Tue, Apr 26, 2022	119.71	119.74	115.78	116.34
5805	NASDAQ	MKSI	Mon, Apr 25, 2022	117.78	121.64	117.02	121.48
5804	NASDAQ	MKSI	Fri, Apr 22, 2022	120.59	122.20	119.46	119.58
5803	NASDAQ	MKSI	Thu, Apr 21, 2022	123.33	124.85	120.42	121.22
5802	NASDAQ	MKSI	Wed, Apr 20, 2022	121.89	123.75	120.72	121.44
5801	NASDAQ	MKSI	Tue, Apr 19, 2022	114.74	119.63	114.61	119.13
5800	NASDAQ	MKSI	Mon, Apr 18, 2022	113.48	116.32	113.12	114.99
5799	NASDAQ	MKSI	Thu, Apr 14, 2022	119.09	119.30	114.47	114.52
5798	NASDAQ	MKSI	Wed, Apr 13, 2022	116.49	119.48	116.31	118.34
5797	NASDAQ	MKSI	Tue, Apr 12, 2022	121.29	121.93	116.72	116.85
5796	NASDAQ	MKSI	Mon, Apr 11, 2022	121.01	123.12	118.21	118.24
5795	NASDAQ	MKSI	Fri, Apr 8, 2022	125.16	126.25	122.22	122.37
5794	NASDAQ	MKSI	Thu, Apr 7, 2022	127.34	131.02	123.84	126.35
5793	NASDAQ	MKSI	Wed, Apr 6, 2022	130.76	131.81	125.16	126.01
5792	NASDAQ	MKSI	Tue, Apr 5, 2022	143.53	144.05	132.93	132.97
5791	NASDAQ	MKSI	Mon, Apr 4, 2022	142.40	145.39	141.91	144.63
5790	NASDAQ	MKSI	Fri, Apr 1, 2022	151.25	152.87	140.04	141.21
5789	NASDAQ	MKSI	Thu, Mar 31, 2022	157.11	157.45	150.00	150.00
5788	NASDAQ	MKSI	Wed, Mar 30, 2022	162.08	163.46	156.12	156.46
5787	NASDAQ	MKSI	Tue, Mar 29, 2022	159.43	163.89	157.78	163.72
5786	NASDAQ	MKSI	Mon, Mar 28, 2022	154.54	157.66	152.59	156.06
5785	NASDAQ	MKSI	Fri, Mar 25, 2022	155.28	156.38	152.45	155.61
5784	NASDAQ	MKSI	Thu, Mar 24, 2022	150.16	154.77	147.79	154.75
5783	NASDAQ	MKSI	Wed, Mar 23, 2022	150.33	152.00	148.29	148.53
5782	NASDAQ	MKSI	Tue, Mar 22, 2022	154.23	156.29	151.53	152.54
5781	NASDAQ	MKSI	Mon, Mar 21, 2022	154.18	155.35	150.44	152.62
5780	NASDAQ	MKSI	Fri, Mar 18, 2022	150.21	156.35	150.21	155.25
5779	NASDAQ	MKSI	Thu, Mar 17, 2022	151.28	153.98	149.41	152.97
5778	NASDAQ	MKSI	Wed, Mar 16, 2022	144.89	152.22	144.89	152.10
5777	NASDAQ	MKSI	Tue, Mar 15, 2022	137.16	144.27	136.79	144.12
5776	NASDAQ	MKSI	Mon, Mar 14, 2022	142.63	143.14	135.56	136.30
5775	NASDAQ	MKSI	Fri, Mar 11, 2022	149.22	150.18	142.07	142.24
5774	NASDAQ	MKSI	Thu, Mar 10, 2022	148.08	150.50	144.22	146.80
5773	NASDAQ	MKSI	Wed, Mar 9, 2022	147.74	152.80	146.69	151.81
5772	NASDAQ	MKSI	Tue, Mar 8, 2022	140.78	146.64	137.81	143.55
5771	NASDAQ	MKSI	Mon, Mar 7, 2022	146.55	148.77	139.64	139.70
5770	NASDAQ	MKSI	Fri, Mar 4, 2022	147.91	148.68	142.89	146.38
5769	NASDAQ	MKSI	Thu, Mar 3, 2022	154.45	154.81	148.42	149.07
5768	NASDAQ	MKSI	Wed, Mar 2, 2022	146.02	154.46	145.56	153.42
5767	NASDAQ	MKSI	Tue, Mar 1, 2022	149.99	151.44	144.22	145.45
5766	NASDAQ	MKSI	Mon, Feb 28, 2022	149.44	152.01	147.94	150.60
5765	NASDAQ	MKSI	Fri, Feb 25, 2022	148.18	151.40	145.58	151.25
5764	NASDAQ	MKSI	Thu, Feb 24, 2022	138.67	149.02	136.23	148.83
5763	NASDAQ	MKSI	Wed, Feb 23, 2022	149.77	152.12	142.87	143.07
5762	NASDAQ	MKSI	Tue, Feb 22, 2022	148.83	151.21	143.38	145.95
5761	NASDAQ	MKSI	Fri, Feb 18, 2022	152.00	152.91	148.75	150.44
5760	NASDAQ	MKSI	Thu, Feb 17, 2022	153.00	155.19	151.00	152.28
5759	NASDAQ	MKSI	Wed, Feb 16, 2022	151.11	155.56	149.70	154.88
5758	NASDAQ	MKSI	Tue, Feb 15, 2022	148.23	153.07	147.06	152.55
5757	NASDAQ	MKSI	Mon, Feb 14, 2022	144.42	148.23	143.43	145.56
5756	NASDAQ	MKSI	Fri, Feb 11, 2022	151.23	152.53	144.38	144.98
5755	NASDAQ	MKSI	Thu, Feb 10, 2022	151.47	156.51	150.22	150.81
5754	NASDAQ	MKSI	Wed, Feb 9, 2022	151.17	154.92	149.69	154.89
5753	NASDAQ	MKSI	Tue, Feb 8, 2022	146.62	149.14	145.67	148.65
5752	NASDAQ	MKSI	Mon, Feb 7, 2022	147.85	148.97	145.28	146.62
5751	NASDAQ	MKSI	Fri, Feb 4, 2022	148.66	149.47	143.58	147.85
5750	NASDAQ	MKSI	Thu, Feb 3, 2022	153.08	154.43	149.08	149.23
5749	NASDAQ	MKSI	Wed, Feb 2, 2022	155.63	156.39	153.78	156.17
5748	NASDAQ	MKSI	Tue, Feb 1, 2022	155.25	156.42	152.44	154.99
5747	NASDAQ	MKSI	Mon, Jan 31, 2022	149.58	155.72	147.71	155.33
5746	NASDAQ	MKSI	Fri, Jan 28, 2022	146.23	149.20	143.70	149.10
5745	NASDAQ	MKSI	Thu, Jan 27, 2022	152.00	154.37	142.00	145.45
5744	NASDAQ	MKSI	Wed, Jan 26, 2022	160.75	163.53	154.41	157.85
5743	NASDAQ	MKSI	Tue, Jan 25, 2022	159.20	162.27	154.29	156.05
5742	NASDAQ	MKSI	Mon, Jan 24, 2022	155.07	163.90	152.77	163.61
5741	NASDAQ	MKSI	Fri, Jan 21, 2022	160.78	164.72	158.19	158.52
5740	NASDAQ	MKSI	Thu, Jan 20, 2022	168.28	171.00	161.00	161.41
5739	NASDAQ	MKSI	Wed, Jan 19, 2022	174.00	174.05	165.69	165.87
5738	NASDAQ	MKSI	Tue, Jan 18, 2022	179.41	180.59	171.38	171.48
5737	NASDAQ	MKSI	Fri, Jan 14, 2022	171.85	180.70	171.85	180.69
5736	NASDAQ	MKSI	Thu, Jan 13, 2022	179.66	181.03	173.50	173.89
5735	NASDAQ	MKSI	Wed, Jan 12, 2022	175.70	178.20	174.40	176.26
5734	NASDAQ	MKSI	Tue, Jan 11, 2022	167.97	174.61	165.90	174.42
5733	NASDAQ	MKSI	Mon, Jan 10, 2022	166.18	169.35	160.77	169.33
5732	NASDAQ	MKSI	Fri, Jan 7, 2022	174.77	178.67	168.91	169.00
5731	NASDAQ	MKSI	Thu, Jan 6, 2022	173.30	177.57	172.90	174.77
5730	NASDAQ	MKSI	Wed, Jan 5, 2022	178.86	180.67	173.02	173.33
5729	NASDAQ	MKSI	Tue, Jan 4, 2022	177.82	180.51	175.18	179.90
5728	NASDAQ	MKSI	Mon, Jan 3, 2022	174.83	177.85	174.24	177.49
5727	NASDAQ	MKSI	Fri, Dec 31, 2021	175.56	176.79	174.17	174.17
5726	NASDAQ	MKSI	Thu, Dec 30, 2021	176.98	178.66	174.53	174.75
5725	NASDAQ	MKSI	Wed, Dec 29, 2021	174.53	178.54	174.53	177.58
5724	NASDAQ	MKSI	Tue, Dec 28, 2021	177.20	177.54	172.50	174.97
5723	NASDAQ	MKSI	Mon, Dec 27, 2021	169.16	176.88	169.16	176.73
5722	NASDAQ	MKSI	Thu, Dec 23, 2021	167.10	170.24	165.25	169.16
5721	NASDAQ	MKSI	Wed, Dec 22, 2021	164.00	167.08	162.20	166.80
5720	NASDAQ	MKSI	Tue, Dec 21, 2021	159.67	164.90	158.57	164.82
5719	NASDAQ	MKSI	Mon, Dec 20, 2021	154.71	157.17	153.38	156.25
5718	NASDAQ	MKSI	Fri, Dec 17, 2021	157.63	159.54	155.15	157.03
5717	NASDAQ	MKSI	Thu, Dec 16, 2021	164.27	166.19	157.46	158.26
5716	NASDAQ	MKSI	Wed, Dec 15, 2021	159.98	163.80	156.26	163.60
5715	NASDAQ	MKSI	Tue, Dec 14, 2021	156.91	161.74	156.50	159.60
5714	NASDAQ	MKSI	Mon, Dec 13, 2021	162.49	163.89	156.89	157.15
5713	NASDAQ	MKSI	Fri, Dec 10, 2021	163.30	164.39	158.56	161.37
5712	NASDAQ	MKSI	Thu, Dec 9, 2021	164.31	166.55	160.81	161.10
5711	NASDAQ	MKSI	Wed, Dec 8, 2021	162.79	167.04	161.21	165.95
5710	NASDAQ	MKSI	Tue, Dec 7, 2021	158.46	164.65	158.00	163.06
5709	NASDAQ	MKSI	Mon, Dec 6, 2021	156.47	157.20	153.36	155.60
5708	NASDAQ	MKSI	Fri, Dec 3, 2021	156.67	156.99	154.51	156.09
5707	NASDAQ	MKSI	Thu, Dec 2, 2021	155.32	156.50	150.72	155.17
5706	NASDAQ	MKSI	Wed, Dec 1, 2021	155.91	161.86	154.13	154.87
5705	NASDAQ	MKSI	Tue, Nov 30, 2021	157.25	158.96	150.42	152.16
5704	NASDAQ	MKSI	Mon, Nov 29, 2021	156.47	158.57	153.12	158.34
5703	NASDAQ	MKSI	Fri, Nov 26, 2021	159.83	160.97	153.99	155.03
5702	NASDAQ	MKSI	Wed, Nov 24, 2021	159.36	162.18	157.39	162.15
5701	NASDAQ	MKSI	Tue, Nov 23, 2021	160.50	162.09	157.01	160.55
5700	NASDAQ	MKSI	Mon, Nov 22, 2021	164.44	166.68	160.97	160.99
5699	NASDAQ	MKSI	Fri, Nov 19, 2021	163.77	165.90	162.72	163.43
5698	NASDAQ	MKSI	Thu, Nov 18, 2021	165.92	166.49	161.17	164.33
5697	NASDAQ	MKSI	Wed, Nov 17, 2021	167.56	167.56	164.49	164.95
5696	NASDAQ	MKSI	Tue, Nov 16, 2021	165.67	168.09	164.47	166.98
5695	NASDAQ	MKSI	Mon, Nov 15, 2021	167.75	169.88	164.16	165.86
5694	NASDAQ	MKSI	Fri, Nov 12, 2021	164.25	167.47	163.93	166.51
5693	NASDAQ	MKSI	Thu, Nov 11, 2021	159.35	163.59	157.95	163.43
5692	NASDAQ	MKSI	Wed, Nov 10, 2021	157.53	159.72	155.87	157.01
5691	NASDAQ	MKSI	Tue, Nov 9, 2021	158.73	161.42	157.17	161.36
5690	NASDAQ	MKSI	Mon, Nov 8, 2021	160.62	161.48	157.86	158.84
5689	NASDAQ	MKSI	Fri, Nov 5, 2021	158.24	160.45	158.00	160.26
5688	NASDAQ	MKSI	Thu, Nov 4, 2021	154.50	157.00	152.75	156.87
5687	NASDAQ	MKSI	Wed, Nov 3, 2021	154.52	154.58	152.34	154.19
5686	NASDAQ	MKSI	Tue, Nov 2, 2021	152.00	154.47	151.95	153.91
5685	NASDAQ	MKSI	Mon, Nov 1, 2021	150.06	153.06	149.27	152.86
5684	NASDAQ	MKSI	Fri, Oct 29, 2021	144.87	150.47	144.77	150.05
5683	NASDAQ	MKSI	Thu, Oct 28, 2021	145.15	145.81	141.35	145.74
5682	NASDAQ	MKSI	Wed, Oct 27, 2021	142.69	144.60	142.09	142.90
5681	NASDAQ	MKSI	Tue, Oct 26, 2021	147.58	147.58	142.50	142.57
5680	NASDAQ	MKSI	Mon, Oct 25, 2021	144.87	146.55	144.35	145.53
5679	NASDAQ	MKSI	Fri, Oct 22, 2021	146.16	149.75	144.44	144.72
5678	NASDAQ	MKSI	Thu, Oct 21, 2021	144.25	145.75	143.39	145.39
5677	NASDAQ	MKSI	Wed, Oct 20, 2021	145.75	146.38	143.93	145.60
5676	NASDAQ	MKSI	Tue, Oct 19, 2021	145.50	146.46	144.21	145.29
5675	NASDAQ	MKSI	Mon, Oct 18, 2021	143.30	144.60	142.50	144.26
5674	NASDAQ	MKSI	Fri, Oct 15, 2021	145.15	146.97	144.52	144.67
5673	NASDAQ	MKSI	Thu, Oct 14, 2021	144.70	145.96	143.56	145.23
5672	NASDAQ	MKSI	Wed, Oct 13, 2021	143.94	145.73	141.73	141.92
5671	NASDAQ	MKSI	Tue, Oct 12, 2021	144.67	146.01	143.35	144.38
5670	NASDAQ	MKSI	Mon, Oct 11, 2021	141.79	145.00	141.79	143.07
5669	NASDAQ	MKSI	Fri, Oct 8, 2021	146.05	146.05	142.60	142.67
5668	NASDAQ	MKSI	Thu, Oct 7, 2021	145.60	147.00	144.78	145.40
5667	NASDAQ	MKSI	Wed, Oct 6, 2021	143.22	144.18	140.87	142.78
5666	NASDAQ	MKSI	Tue, Oct 5, 2021	146.06	147.44	144.45	144.51
5665	NASDAQ	MKSI	Mon, Oct 4, 2021	149.42	149.42	144.59	145.28
5664	NASDAQ	MKSI	Fri, Oct 1, 2021	151.52	151.99	146.84	149.70
5663	NASDAQ	MKSI	Thu, Sep 30, 2021	151.74	153.55	150.00	150.91
5662	NASDAQ	MKSI	Wed, Sep 29, 2021	152.01	152.71	148.65	150.55
5661	NASDAQ	MKSI	Tue, Sep 28, 2021	152.30	154.01	150.50	150.93
5660	NASDAQ	MKSI	Mon, Sep 27, 2021	152.75	155.31	152.51	154.72
5659	NASDAQ	MKSI	Fri, Sep 24, 2021	151.72	154.40	151.72	153.35
5658	NASDAQ	MKSI	Thu, Sep 23, 2021	151.07	153.90	150.83	153.26
5657	NASDAQ	MKSI	Wed, Sep 22, 2021	150.20	151.39	148.92	150.35
5656	NASDAQ	MKSI	Tue, Sep 21, 2021	148.13	150.99	145.21	149.23
5655	NASDAQ	MKSI	Mon, Sep 20, 2021	146.72	147.98	144.19	147.18
5654	NASDAQ	MKSI	Fri, Sep 17, 2021	150.21	150.55	148.00	149.47
5653	NASDAQ	MKSI	Thu, Sep 16, 2021	150.23	152.35	149.23	150.50
5652	NASDAQ	MKSI	Wed, Sep 15, 2021	151.31	151.51	148.81	151.24
5651	NASDAQ	MKSI	Tue, Sep 14, 2021	150.67	152.43	149.87	151.26
5650	NASDAQ	MKSI	Mon, Sep 13, 2021	150.73	151.81	148.51	150.55
5649	NASDAQ	MKSI	Fri, Sep 10, 2021	149.63	152.11	148.42	148.42
5648	NASDAQ	MKSI	Thu, Sep 9, 2021	146.15	149.51	145.82	148.51
5647	NASDAQ	MKSI	Wed, Sep 8, 2021	149.08	149.35	144.86	146.14
5646	NASDAQ	MKSI	Tue, Sep 7, 2021	149.10	149.76	147.08	149.45
5645	NASDAQ	MKSI	Fri, Sep 3, 2021	147.68	149.00	147.02	148.51
5644	NASDAQ	MKSI	Thu, Sep 2, 2021	146.06	147.71	145.36	147.24
5643	NASDAQ	MKSI	Wed, Sep 1, 2021	148.10	149.31	144.65	145.04
5642	NASDAQ	MKSI	Tue, Aug 31, 2021	150.03	150.03	146.98	147.18
5641	NASDAQ	MKSI	Mon, Aug 30, 2021	151.23	151.61	148.10	149.48
5640	NASDAQ	MKSI	Fri, Aug 27, 2021	145.13	150.75	145.12	150.28
5639	NASDAQ	MKSI	Thu, Aug 26, 2021	143.50	144.96	142.64	144.23
5638	NASDAQ	MKSI	Wed, Aug 25, 2021	144.59	146.15	143.64	143.96
5637	NASDAQ	MKSI	Tue, Aug 24, 2021	144.88	146.48	143.92	144.75
5636	NASDAQ	MKSI	Mon, Aug 23, 2021	141.38	144.04	141.11	143.63
5635	NASDAQ	MKSI	Fri, Aug 20, 2021	141.33	142.99	139.21	140.83
5634	NASDAQ	MKSI	Thu, Aug 19, 2021	140.00	141.25	138.70	140.42
5633	NASDAQ	MKSI	Wed, Aug 18, 2021	142.72	145.18	141.06	141.21
5632	NASDAQ	MKSI	Tue, Aug 17, 2021	145.91	145.91	141.93	142.49
5631	NASDAQ	MKSI	Mon, Aug 16, 2021	145.79	147.73	145.51	147.39
5630	NASDAQ	MKSI	Fri, Aug 13, 2021	146.69	147.24	145.54	146.16
5629	NASDAQ	MKSI	Thu, Aug 12, 2021	150.25	151.30	145.38	146.86
5628	NASDAQ	MKSI	Wed, Aug 11, 2021	152.20	152.70	150.02	151.66
5627	NASDAQ	MKSI	Tue, Aug 10, 2021	154.74	155.32	150.50	151.57
5626	NASDAQ	MKSI	Mon, Aug 9, 2021	157.44	157.44	154.74	154.84
5625	NASDAQ	MKSI	Fri, Aug 6, 2021	153.82	157.84	153.82	156.87
5624	NASDAQ	MKSI	Thu, Aug 5, 2021	157.12	157.30	152.36	154.74
5623	NASDAQ	MKSI	Wed, Aug 4, 2021	157.04	158.27	154.41	155.97
5622	NASDAQ	MKSI	Tue, Aug 3, 2021	157.41	157.41	153.44	155.79
5621	NASDAQ	MKSI	Mon, Aug 2, 2021	158.14	160.84	156.40	156.42
5620	NASDAQ	MKSI	Fri, Jul 30, 2021	153.26	159.35	153.01	156.44
5619	NASDAQ	MKSI	Thu, Jul 29, 2021	155.11	157.00	151.00	154.81
5618	NASDAQ	MKSI	Wed, Jul 28, 2021	157.25	161.84	156.87	160.10
5617	NASDAQ	MKSI	Tue, Jul 27, 2021	161.08	162.68	154.78	156.62
5616	NASDAQ	MKSI	Mon, Jul 26, 2021	164.85	166.00	161.62	162.55
5615	NASDAQ	MKSI	Fri, Jul 23, 2021	164.51	165.91	162.50	165.11
5614	NASDAQ	MKSI	Thu, Jul 22, 2021	164.59	165.77	161.36	162.75
5613	NASDAQ	MKSI	Wed, Jul 21, 2021	161.72	165.70	161.33	165.31
5612	NASDAQ	MKSI	Tue, Jul 20, 2021	154.79	160.98	154.06	160.55
5611	NASDAQ	MKSI	Mon, Jul 19, 2021	154.98	155.58	152.33	154.22
5610	NASDAQ	MKSI	Fri, Jul 16, 2021	163.19	163.80	157.09	157.59
5609	NASDAQ	MKSI	Thu, Jul 15, 2021	163.34	164.52	160.30	161.82
5608	NASDAQ	MKSI	Wed, Jul 14, 2021	165.50	167.60	163.57	164.02
5607	NASDAQ	MKSI	Tue, Jul 13, 2021	164.28	165.14	162.26	164.19
5606	NASDAQ	MKSI	Mon, Jul 12, 2021	165.04	166.05	163.45	165.52
5605	NASDAQ	MKSI	Fri, Jul 9, 2021	162.78	166.19	160.90	165.43
5604	NASDAQ	MKSI	Thu, Jul 8, 2021	161.35	164.21	158.17	161.48
5603	NASDAQ	MKSI	Wed, Jul 7, 2021	169.06	170.63	162.91	165.00
5602	NASDAQ	MKSI	Tue, Jul 6, 2021	170.45	170.90	165.47	168.27
5601	NASDAQ	MKSI	Fri, Jul 2, 2021	175.01	175.01	167.26	168.52
5600	NASDAQ	MKSI	Thu, Jul 1, 2021	172.66	172.66	166.99	170.77
5599	NASDAQ	MKSI	Wed, Jun 30, 2021	177.99	178.46	175.66	177.95
5598	NASDAQ	MKSI	Tue, Jun 29, 2021	176.69	178.55	176.36	178.33
5597	NASDAQ	MKSI	Mon, Jun 28, 2021	174.84	177.84	174.04	176.90
5596	NASDAQ	MKSI	Fri, Jun 25, 2021	173.47	176.24	172.24	173.29
5595	NASDAQ	MKSI	Thu, Jun 24, 2021	172.44	173.89	171.36	173.56
5594	NASDAQ	MKSI	Wed, Jun 23, 2021	170.80	172.71	169.75	170.28
5593	NASDAQ	MKSI	Tue, Jun 22, 2021	168.87	171.29	167.36	169.64
5592	NASDAQ	MKSI	Mon, Jun 21, 2021	169.01	171.22	167.37	169.68
5591	NASDAQ	MKSI	Fri, Jun 18, 2021	172.80	172.92	166.79	168.41
5590	NASDAQ	MKSI	Thu, Jun 17, 2021	175.70	177.72	171.36	175.38
5589	NASDAQ	MKSI	Wed, Jun 16, 2021	178.88	178.95	175.47	176.56
5588	NASDAQ	MKSI	Tue, Jun 15, 2021	180.41	181.48	177.50	178.02
5587	NASDAQ	MKSI	Mon, Jun 14, 2021	177.33	181.64	177.20	180.76
5586	NASDAQ	MKSI	Fri, Jun 11, 2021	177.00	178.00	173.75	177.56
5585	NASDAQ	MKSI	Thu, Jun 10, 2021	179.51	182.11	176.81	181.34
5584	NASDAQ	MKSI	Wed, Jun 9, 2021	179.95	181.44	178.01	178.54
5583	NASDAQ	MKSI	Tue, Jun 8, 2021	184.61	184.61	178.89	179.58
5582	NASDAQ	MKSI	Mon, Jun 7, 2021	185.75	186.42	182.62	183.00
5581	NASDAQ	MKSI	Fri, Jun 4, 2021	184.00	186.83	182.55	186.45
5580	NASDAQ	MKSI	Thu, Jun 3, 2021	183.59	184.44	181.06	181.73
5579	NASDAQ	MKSI	Wed, Jun 2, 2021	185.50	187.48	183.47	186.37
5578	NASDAQ	MKSI	Tue, Jun 1, 2021	190.00	191.85	184.92	185.54
5577	NASDAQ	MKSI	Fri, May 28, 2021	188.99	189.47	186.29	188.23
5576	NASDAQ	MKSI	Thu, May 27, 2021	186.68	189.44	185.68	186.92
5575	NASDAQ	MKSI	Wed, May 26, 2021	186.31	188.95	184.17	186.36
5574	NASDAQ	MKSI	Tue, May 25, 2021	188.65	190.50	184.98	186.35
5573	NASDAQ	MKSI	Mon, May 24, 2021	184.04	188.56	183.92	186.58
5572	NASDAQ	MKSI	Fri, May 21, 2021	189.05	189.83	181.85	182.17
5571	NASDAQ	MKSI	Thu, May 20, 2021	183.21	188.54	180.76	188.06
5570	NASDAQ	MKSI	Wed, May 19, 2021	172.51	183.36	172.51	182.28
5569	NASDAQ	MKSI	Tue, May 18, 2021	178.02	180.50	176.13	176.43
5568	NASDAQ	MKSI	Mon, May 17, 2021	175.49	177.60	172.39	176.68
5567	NASDAQ	MKSI	Fri, May 14, 2021	174.55	181.14	171.24	178.91
5566	NASDAQ	MKSI	Thu, May 13, 2021	169.94	173.73	169.07	171.24
5565	NASDAQ	MKSI	Wed, May 12, 2021	169.64	172.53	165.04	165.96
5564	NASDAQ	MKSI	Tue, May 11, 2021	168.48	175.21	167.06	174.40
5563	NASDAQ	MKSI	Mon, May 10, 2021	181.44	181.58	174.28	174.47
5562	NASDAQ	MKSI	Fri, May 7, 2021	181.00	183.89	178.80	183.34
5561	NASDAQ	MKSI	Thu, May 6, 2021	175.58	179.85	174.08	179.55
5560	NASDAQ	MKSI	Wed, May 5, 2021	179.45	179.92	173.93	176.47
5559	NASDAQ	MKSI	Tue, May 4, 2021	175.12	176.59	172.49	176.49
5558	NASDAQ	MKSI	Mon, May 3, 2021	181.16	181.19	177.00	177.98
5557	NASDAQ	MKSI	Fri, Apr 30, 2021	181.56	185.17	178.28	179.11
5556	NASDAQ	MKSI	Thu, Apr 29, 2021	190.22	190.22	183.49	185.30
5555	NASDAQ	MKSI	Wed, Apr 28, 2021	189.44	190.86	185.75	188.18
5554	NASDAQ	MKSI	Tue, Apr 27, 2021	194.90	195.34	183.00	187.34
5553	NASDAQ	MKSI	Mon, Apr 26, 2021	185.30	191.37	184.70	190.52
5552	NASDAQ	MKSI	Fri, Apr 23, 2021	181.50	186.45	180.16	185.30
5551	NASDAQ	MKSI	Thu, Apr 22, 2021	183.99	185.03	179.34	179.85
5550	NASDAQ	MKSI	Wed, Apr 21, 2021	176.91	185.23	175.56	185.04
5549	NASDAQ	MKSI	Tue, Apr 20, 2021	180.14	182.05	175.62	176.33
5548	NASDAQ	MKSI	Mon, Apr 19, 2021	184.81	188.14	178.56	181.04
5547	NASDAQ	MKSI	Fri, Apr 16, 2021	187.42	190.65	186.72	186.82
5546	NASDAQ	MKSI	Thu, Apr 15, 2021	186.26	188.68	183.26	188.26
5545	NASDAQ	MKSI	Wed, Apr 14, 2021	185.58	190.20	184.37	185.74
5544	NASDAQ	MKSI	Tue, Apr 13, 2021	189.71	191.23	186.22	186.52
5543	NASDAQ	MKSI	Mon, Apr 12, 2021	190.81	191.34	186.80	187.75
5542	NASDAQ	MKSI	Fri, Apr 9, 2021	192.37	194.48	189.64	191.46
5541	NASDAQ	MKSI	Thu, Apr 8, 2021	196.32	196.59	190.63	195.05
5540	NASDAQ	MKSI	Wed, Apr 7, 2021	194.00	194.99	191.21	193.30
5539	NASDAQ	MKSI	Tue, Apr 6, 2021	195.08	198.71	190.63	192.93
5538	NASDAQ	MKSI	Mon, Apr 5, 2021	199.25	199.44	193.49	196.86
5537	NASDAQ	MKSI	Thu, Apr 1, 2021	189.34	196.25	189.00	195.84
5536	NASDAQ	MKSI	Wed, Mar 31, 2021	182.85	189.28	182.42	185.42
5535	NASDAQ	MKSI	Tue, Mar 30, 2021	177.40	183.61	176.75	181.64
5534	NASDAQ	MKSI	Mon, Mar 29, 2021	180.34	182.60	176.12	178.31
5533	NASDAQ	MKSI	Fri, Mar 26, 2021	170.94	183.44	170.94	183.11
5532	NASDAQ	MKSI	Thu, Mar 25, 2021	166.00	171.49	161.55	171.08
5531	NASDAQ	MKSI	Wed, Mar 24, 2021	172.67	179.39	170.32	170.50
5530	NASDAQ	MKSI	Tue, Mar 23, 2021	176.28	177.63	166.03	167.11
5529	NASDAQ	MKSI	Mon, Mar 22, 2021	175.28	178.49	171.78	176.33
5528	NASDAQ	MKSI	Fri, Mar 19, 2021	171.02	176.20	168.26	172.24
5527	NASDAQ	MKSI	Thu, Mar 18, 2021	177.64	179.80	170.81	171.74
5526	NASDAQ	MKSI	Wed, Mar 17, 2021	178.00	184.69	172.30	181.49
5525	NASDAQ	MKSI	Tue, Mar 16, 2021	174.32	182.14	172.93	177.91
5524	NASDAQ	MKSI	Mon, Mar 15, 2021	167.44	172.41	165.01	172.05
5523	NASDAQ	MKSI	Fri, Mar 12, 2021	165.28	168.36	163.97	166.16
5522	NASDAQ	MKSI	Thu, Mar 11, 2021	165.87	170.61	164.01	169.66
5521	NASDAQ	MKSI	Wed, Mar 10, 2021	166.17	167.52	158.97	160.53
5520	NASDAQ	MKSI	Tue, Mar 9, 2021	156.22	164.34	156.22	162.61
5519	NASDAQ	MKSI	Mon, Mar 8, 2021	153.30	162.33	149.61	151.00
5518	NASDAQ	MKSI	Fri, Mar 5, 2021	153.76	154.45	144.08	153.00
5517	NASDAQ	MKSI	Thu, Mar 4, 2021	158.85	159.97	146.30	150.76
5516	NASDAQ	MKSI	Wed, Mar 3, 2021	165.60	165.91	156.95	158.77
5515	NASDAQ	MKSI	Tue, Mar 2, 2021	170.85	170.85	162.59	162.80
5514	NASDAQ	MKSI	Mon, Mar 1, 2021	168.00	172.22	166.83	171.77
5513	NASDAQ	MKSI	Fri, Feb 26, 2021	163.52	166.74	157.89	164.90
5512	NASDAQ	MKSI	Thu, Feb 25, 2021	175.07	176.67	161.37	162.05
5511	NASDAQ	MKSI	Wed, Feb 24, 2021	166.43	177.36	166.04	176.93
5510	NASDAQ	MKSI	Tue, Feb 23, 2021	163.45	168.98	160.21	168.20
5509	NASDAQ	MKSI	Mon, Feb 22, 2021	167.65	171.20	165.68	166.70
5508	NASDAQ	MKSI	Fri, Feb 19, 2021	166.26	170.54	163.74	170.35
5507	NASDAQ	MKSI	Thu, Feb 18, 2021	163.34	163.61	157.17	158.89
5506	NASDAQ	MKSI	Wed, Feb 17, 2021	169.56	170.77	162.80	164.55
5505	NASDAQ	MKSI	Tue, Feb 16, 2021	171.37	172.97	167.14	172.20
5504	NASDAQ	MKSI	Fri, Feb 12, 2021	169.89	171.41	164.89	167.43
5503	NASDAQ	MKSI	Thu, Feb 11, 2021	152.71	163.06	152.43	162.85
5502	NASDAQ	MKSI	Wed, Feb 10, 2021	149.92	153.16	149.25	151.82
5501	NASDAQ	MKSI	Tue, Feb 9, 2021	149.05	150.66	146.07	147.92
5500	NASDAQ	MKSI	Mon, Feb 8, 2021	158.00	159.00	148.77	149.24
5499	NASDAQ	MKSI	Fri, Feb 5, 2021	168.76	169.69	161.83	162.33
5498	NASDAQ	MKSI	Thu, Feb 4, 2021	161.71	167.43	161.09	167.27
5497	NASDAQ	MKSI	Wed, Feb 3, 2021	168.81	168.81	159.76	161.36
5496	NASDAQ	MKSI	Tue, Feb 2, 2021	167.60	169.04	164.39	168.08
5495	NASDAQ	MKSI	Mon, Feb 1, 2021	160.21	164.78	158.25	164.32
5494	NASDAQ	MKSI	Fri, Jan 29, 2021	165.84	166.24	158.02	158.07
5493	NASDAQ	MKSI	Thu, Jan 28, 2021	170.39	172.26	161.22	166.97
5492	NASDAQ	MKSI	Wed, Jan 27, 2021	170.68	174.65	164.69	165.53
5491	NASDAQ	MKSI	Tue, Jan 26, 2021	184.71	184.71	176.63	177.09
5490	NASDAQ	MKSI	Mon, Jan 25, 2021	185.78	187.23	180.97	183.84
5489	NASDAQ	MKSI	Fri, Jan 22, 2021	184.00	186.95	183.42	185.00
5488	NASDAQ	MKSI	Thu, Jan 21, 2021	190.47	191.76	183.80	184.96
5487	NASDAQ	MKSI	Wed, Jan 20, 2021	189.29	192.30	184.92	188.24
5486	NASDAQ	MKSI	Tue, Jan 19, 2021	179.99	189.89	178.74	188.12
5485	NASDAQ	MKSI	Fri, Jan 15, 2021	176.35	178.40	170.97	177.60
5484	NASDAQ	MKSI	Thu, Jan 14, 2021	170.45	179.00	170.45	177.79
5483	NASDAQ	MKSI	Wed, Jan 13, 2021	171.83	171.83	166.78	166.96
5482	NASDAQ	MKSI	Tue, Jan 12, 2021	169.33	172.84	168.44	171.05
5481	NASDAQ	MKSI	Mon, Jan 11, 2021	162.18	168.99	161.78	168.63
5480	NASDAQ	MKSI	Fri, Jan 8, 2021	165.02	167.59	163.44	164.96
5479	NASDAQ	MKSI	Thu, Jan 7, 2021	158.21	163.45	158.05	162.81
5478	NASDAQ	MKSI	Wed, Jan 6, 2021	153.23	159.52	153.23	156.84
5477	NASDAQ	MKSI	Tue, Jan 5, 2021	149.63	155.03	149.63	153.81
5476	NASDAQ	MKSI	Mon, Jan 4, 2021	151.09	154.18	148.35	150.24
5475	NASDAQ	MKSI	Thu, Dec 31, 2020	152.34	152.69	149.37	150.45
5474	NASDAQ	MKSI	Wed, Dec 30, 2020	151.07	154.65	151.07	152.76
5473	NASDAQ	MKSI	Tue, Dec 29, 2020	151.83	151.85	148.72	150.69
5472	NASDAQ	MKSI	Mon, Dec 28, 2020	150.41	151.79	149.87	151.27
5471	NASDAQ	MKSI	Thu, Dec 24, 2020	149.44	150.47	148.15	149.88
5470	NASDAQ	MKSI	Wed, Dec 23, 2020	149.00	150.32	147.50	147.92
5469	NASDAQ	MKSI	Tue, Dec 22, 2020	149.72	151.82	147.74	148.38
5468	NASDAQ	MKSI	Mon, Dec 21, 2020	147.20	150.91	146.48	149.52
5467	NASDAQ	MKSI	Fri, Dec 18, 2020	150.39	150.96	148.65	149.31
5466	NASDAQ	MKSI	Thu, Dec 17, 2020	151.30	152.13	148.42	149.97
5465	NASDAQ	MKSI	Wed, Dec 16, 2020	153.62	153.62	148.52	150.08
5464	NASDAQ	MKSI	Tue, Dec 15, 2020	151.85	153.52	150.52	152.73
5463	NASDAQ	MKSI	Mon, Dec 14, 2020	149.85	151.84	148.06	150.41
5462	NASDAQ	MKSI	Fri, Dec 11, 2020	150.56	150.81	146.42	147.65
5461	NASDAQ	MKSI	Thu, Dec 10, 2020	148.94	151.11	146.33	149.07
5460	NASDAQ	MKSI	Wed, Dec 9, 2020	156.14	156.86	148.84	150.10
5459	NASDAQ	MKSI	Tue, Dec 8, 2020	154.00	158.08	153.70	156.88
5458	NASDAQ	MKSI	Mon, Dec 7, 2020	152.07	155.45	150.27	155.26
5457	NASDAQ	MKSI	Fri, Dec 4, 2020	144.52	151.79	144.52	151.71
5456	NASDAQ	MKSI	Thu, Dec 3, 2020	143.95	144.65	142.13	143.21
5455	NASDAQ	MKSI	Wed, Dec 2, 2020	140.16	143.62	138.68	143.29
5454	NASDAQ	MKSI	Tue, Dec 1, 2020	139.54	142.41	138.54	140.00
5453	NASDAQ	MKSI	Mon, Nov 30, 2020	139.12	139.47	136.49	137.98
5452	NASDAQ	MKSI	Fri, Nov 27, 2020	137.92	139.22	137.33	138.13
5451	NASDAQ	MKSI	Wed, Nov 25, 2020	137.32	137.93	134.45	136.25
5450	NASDAQ	MKSI	Tue, Nov 24, 2020	138.58	139.06	136.57	137.87
5449	NASDAQ	MKSI	Mon, Nov 23, 2020	134.28	138.38	133.52	138.14
5448	NASDAQ	MKSI	Fri, Nov 20, 2020	134.49	135.19	132.19	132.35
5447	NASDAQ	MKSI	Thu, Nov 19, 2020	132.31	134.39	131.17	134.23
5446	NASDAQ	MKSI	Wed, Nov 18, 2020	132.59	134.33	130.71	133.20
5445	NASDAQ	MKSI	Tue, Nov 17, 2020	130.20	133.09	128.69	132.07
5444	NASDAQ	MKSI	Mon, Nov 16, 2020	128.78	131.51	128.00	131.50
5443	NASDAQ	MKSI	Fri, Nov 13, 2020	127.16	128.49	126.27	127.07
5442	NASDAQ	MKSI	Thu, Nov 12, 2020	129.00	129.00	124.38	125.20
5441	NASDAQ	MKSI	Wed, Nov 11, 2020	126.85	129.55	125.82	128.53
5440	NASDAQ	MKSI	Tue, Nov 10, 2020	125.48	127.13	124.33	125.70
5439	NASDAQ	MKSI	Mon, Nov 9, 2020	131.43	133.24	126.66	126.98
5438	NASDAQ	MKSI	Fri, Nov 6, 2020	126.11	127.77	124.27	127.49
5437	NASDAQ	MKSI	Thu, Nov 5, 2020	120.32	126.20	120.00	126.02
5436	NASDAQ	MKSI	Wed, Nov 4, 2020	115.15	119.20	112.76	118.30
5435	NASDAQ	MKSI	Tue, Nov 3, 2020	113.14	115.56	111.13	115.07
5434	NASDAQ	MKSI	Mon, Nov 2, 2020	109.74	112.97	109.74	112.17
5433	NASDAQ	MKSI	Fri, Oct 30, 2020	110.82	112.25	107.36	108.39
5432	NASDAQ	MKSI	Thu, Oct 29, 2020	108.63	113.55	107.98	112.84
5431	NASDAQ	MKSI	Wed, Oct 28, 2020	109.80	114.19	106.00	109.30
5430	NASDAQ	MKSI	Tue, Oct 27, 2020	110.25	111.79	108.56	109.80
5429	NASDAQ	MKSI	Mon, Oct 26, 2020	111.65	113.43	108.43	110.13
5428	NASDAQ	MKSI	Fri, Oct 23, 2020	114.18	114.78	112.65	113.21
5427	NASDAQ	MKSI	Thu, Oct 22, 2020	113.62	114.71	111.24	114.25
5426	NASDAQ	MKSI	Wed, Oct 21, 2020	113.82	114.65	112.61	112.86
5425	NASDAQ	MKSI	Tue, Oct 20, 2020	115.24	115.57	113.35	113.52
5424	NASDAQ	MKSI	Mon, Oct 19, 2020	115.39	117.03	113.90	114.26
5423	NASDAQ	MKSI	Fri, Oct 16, 2020	117.72	117.72	113.69	114.25
5422	NASDAQ	MKSI	Thu, Oct 15, 2020	114.24	117.00	113.91	116.71
5421	NASDAQ	MKSI	Wed, Oct 14, 2020	118.84	119.78	116.02	116.86
5420	NASDAQ	MKSI	Tue, Oct 13, 2020	119.52	120.07	118.09	118.61
5419	NASDAQ	MKSI	Mon, Oct 12, 2020	120.60	120.64	118.47	119.32
5418	NASDAQ	MKSI	Fri, Oct 9, 2020	118.27	119.65	117.70	118.88
5417	NASDAQ	MKSI	Thu, Oct 8, 2020	115.57	116.84	114.44	116.70
5416	NASDAQ	MKSI	Wed, Oct 7, 2020	113.04	115.00	112.55	114.61
5415	NASDAQ	MKSI	Tue, Oct 6, 2020	111.59	114.25	110.80	111.24
5414	NASDAQ	MKSI	Mon, Oct 5, 2020	109.35	111.80	109.35	111.32
5413	NASDAQ	MKSI	Fri, Oct 2, 2020	108.76	110.41	108.46	108.46
5412	NASDAQ	MKSI	Thu, Oct 1, 2020	110.41	112.08	110.05	111.48
5411	NASDAQ	MKSI	Wed, Sep 30, 2020	110.52	111.70	108.39	109.23
5410	NASDAQ	MKSI	Tue, Sep 29, 2020	110.01	112.69	109.15	110.74
5409	NASDAQ	MKSI	Mon, Sep 28, 2020	109.69	110.87	108.59	110.49
5408	NASDAQ	MKSI	Fri, Sep 25, 2020	107.73	108.18	106.29	107.54
5407	NASDAQ	MKSI	Thu, Sep 24, 2020	106.78	109.72	106.07	108.06
5406	NASDAQ	MKSI	Wed, Sep 23, 2020	107.76	110.20	107.37	107.61
5405	NASDAQ	MKSI	Tue, Sep 22, 2020	108.74	110.93	105.71	108.18
5404	NASDAQ	MKSI	Mon, Sep 21, 2020	105.04	108.44	104.43	108.32
5403	NASDAQ	MKSI	Fri, Sep 18, 2020	109.01	109.41	105.77	107.33
5402	NASDAQ	MKSI	Thu, Sep 17, 2020	103.76	108.17	103.37	107.84
5401	NASDAQ	MKSI	Wed, Sep 16, 2020	107.46	108.34	105.91	106.05
5400	NASDAQ	MKSI	Tue, Sep 15, 2020	105.64	106.94	104.81	106.25
5399	NASDAQ	MKSI	Mon, Sep 14, 2020	104.99	106.19	104.02	104.41
5398	NASDAQ	MKSI	Fri, Sep 11, 2020	106.34	106.38	101.78	103.30
5397	NASDAQ	MKSI	Thu, Sep 10, 2020	108.31	109.12	104.00	104.63
5396	NASDAQ	MKSI	Wed, Sep 9, 2020	109.84	110.10	106.40	107.63
5395	NASDAQ	MKSI	Tue, Sep 8, 2020	108.78	111.31	105.90	107.07
5394	NASDAQ	MKSI	Fri, Sep 4, 2020	116.28	117.56	110.62	114.17
5393	NASDAQ	MKSI	Thu, Sep 3, 2020	122.06	122.06	115.07	116.57
5392	NASDAQ	MKSI	Wed, Sep 2, 2020	122.00	124.19	120.76	123.75
5391	NASDAQ	MKSI	Tue, Sep 1, 2020	120.28	121.89	118.57	120.21
5390	NASDAQ	MKSI	Mon, Aug 31, 2020	121.18	121.67	119.53	119.53
5389	NASDAQ	MKSI	Fri, Aug 28, 2020	119.05	122.14	118.59	121.78
5388	NASDAQ	MKSI	Thu, Aug 27, 2020	121.35	124.38	116.85	118.59
5387	NASDAQ	MKSI	Wed, Aug 26, 2020	121.80	122.16	120.86	121.43
5386	NASDAQ	MKSI	Tue, Aug 25, 2020	121.47	123.00	120.32	122.28
5385	NASDAQ	MKSI	Mon, Aug 24, 2020	122.33	123.89	120.42	121.35
5384	NASDAQ	MKSI	Fri, Aug 21, 2020	120.43	124.44	119.51	121.18
5383	NASDAQ	MKSI	Thu, Aug 20, 2020	123.84	124.64	120.74	121.06
5382	NASDAQ	MKSI	Wed, Aug 19, 2020	126.43	127.30	125.50	125.92
5381	NASDAQ	MKSI	Tue, Aug 18, 2020	127.81	127.99	126.31	126.77
5380	NASDAQ	MKSI	Mon, Aug 17, 2020	125.65	129.11	125.60	127.66
5379	NASDAQ	MKSI	Fri, Aug 14, 2020	125.34	127.03	123.77	124.40
5378	NASDAQ	MKSI	Thu, Aug 13, 2020	125.77	127.18	124.13	125.81
5377	NASDAQ	MKSI	Wed, Aug 12, 2020	121.83	126.65	121.14	126.48
5376	NASDAQ	MKSI	Tue, Aug 11, 2020	122.26	123.73	120.50	120.95
5375	NASDAQ	MKSI	Mon, Aug 10, 2020	122.67	123.83	121.08	122.02
5374	NASDAQ	MKSI	Fri, Aug 7, 2020	126.43	127.53	121.45	123.11
5373	NASDAQ	MKSI	Thu, Aug 6, 2020	128.70	128.84	124.55	125.76
5372	NASDAQ	MKSI	Wed, Aug 5, 2020	129.00	129.00	126.98	128.38
5371	NASDAQ	MKSI	Tue, Aug 4, 2020	128.99	129.97	127.41	128.48
5370	NASDAQ	MKSI	Mon, Aug 3, 2020	128.06	129.85	127.00	128.44
5369	NASDAQ	MKSI	Fri, Jul 31, 2020	129.67	129.67	124.87	127.44
5368	NASDAQ	MKSI	Thu, Jul 30, 2020	126.99	129.48	125.52	126.56
5367	NASDAQ	MKSI	Wed, Jul 29, 2020	122.29	125.47	121.42	124.91
5366	NASDAQ	MKSI	Tue, Jul 28, 2020	124.25	124.40	121.52	121.65
5365	NASDAQ	MKSI	Mon, Jul 27, 2020	120.71	124.33	119.70	124.31
5364	NASDAQ	MKSI	Fri, Jul 24, 2020	122.15	122.26	119.07	119.70
5363	NASDAQ	MKSI	Thu, Jul 23, 2020	121.82	126.65	121.73	123.68
5362	NASDAQ	MKSI	Wed, Jul 22, 2020	121.07	123.00	119.80	122.42
5361	NASDAQ	MKSI	Tue, Jul 21, 2020	120.69	122.53	118.41	119.92
5360	NASDAQ	MKSI	Mon, Jul 20, 2020	117.50	120.85	117.31	120.18
5359	NASDAQ	MKSI	Fri, Jul 17, 2020	116.89	118.37	115.30	118.06
5358	NASDAQ	MKSI	Thu, Jul 16, 2020	114.18	116.75	113.34	115.96
5357	NASDAQ	MKSI	Wed, Jul 15, 2020	115.44	116.59	112.66	116.05
5356	NASDAQ	MKSI	Tue, Jul 14, 2020	109.78	113.78	108.54	113.56
5355	NASDAQ	MKSI	Mon, Jul 13, 2020	113.33	115.42	110.52	110.71
5354	NASDAQ	MKSI	Fri, Jul 10, 2020	114.60	115.30	111.73	112.49
5353	NASDAQ	MKSI	Thu, Jul 9, 2020	115.75	115.77	112.08	114.40
5352	NASDAQ	MKSI	Wed, Jul 8, 2020	113.44	115.24	111.96	114.12
5351	NASDAQ	MKSI	Tue, Jul 7, 2020	115.28	117.04	112.22	112.37
5350	NASDAQ	MKSI	Mon, Jul 6, 2020	116.16	117.90	115.09	116.10
5349	NASDAQ	MKSI	Thu, Jul 2, 2020	113.10	115.29	112.82	113.79
5348	NASDAQ	MKSI	Wed, Jul 1, 2020	114.59	114.78	111.07	111.26
5347	NASDAQ	MKSI	Tue, Jun 30, 2020	110.00	113.48	109.64	113.24
5346	NASDAQ	MKSI	Mon, Jun 29, 2020	108.79	110.76	107.74	110.28
5345	NASDAQ	MKSI	Fri, Jun 26, 2020	112.71	114.80	107.33	108.59
5344	NASDAQ	MKSI	Thu, Jun 25, 2020	111.92	114.37	108.03	114.01
5343	NASDAQ	MKSI	Wed, Jun 24, 2020	113.01	114.81	111.39	112.83
5342	NASDAQ	MKSI	Tue, Jun 23, 2020	112.79	115.62	112.05	113.96
5341	NASDAQ	MKSI	Mon, Jun 22, 2020	109.56	112.40	108.47	111.85
5340	NASDAQ	MKSI	Fri, Jun 19, 2020	111.74	114.60	109.97	110.93
5339	NASDAQ	MKSI	Thu, Jun 18, 2020	112.17	112.39	108.90	108.99
5338	NASDAQ	MKSI	Wed, Jun 17, 2020	109.71	111.40	108.86	109.75
5337	NASDAQ	MKSI	Tue, Jun 16, 2020	110.13	111.30	107.89	108.00
5336	NASDAQ	MKSI	Mon, Jun 15, 2020	102.70	107.00	100.81	105.79
5335	NASDAQ	MKSI	Fri, Jun 12, 2020	106.00	108.43	102.26	104.00
5334	NASDAQ	MKSI	Thu, Jun 11, 2020	108.77	108.90	102.28	102.54
5333	NASDAQ	MKSI	Wed, Jun 10, 2020	114.08	115.13	112.50	112.66
5332	NASDAQ	MKSI	Tue, Jun 9, 2020	112.54	114.59	112.31	113.00
5331	NASDAQ	MKSI	Mon, Jun 8, 2020	114.84	115.35	112.62	114.61
5330	NASDAQ	MKSI	Fri, Jun 5, 2020	115.53	116.85	113.52	114.05
5329	NASDAQ	MKSI	Thu, Jun 4, 2020	107.81	113.93	107.80	113.10
5328	NASDAQ	MKSI	Wed, Jun 3, 2020	105.23	109.96	105.23	109.20
5327	NASDAQ	MKSI	Tue, Jun 2, 2020	104.51	105.24	102.63	104.71
5326	NASDAQ	MKSI	Mon, Jun 1, 2020	105.09	106.28	103.16	104.19
5325	NASDAQ	MKSI	Fri, May 29, 2020	104.00	106.30	102.63	105.63
5324	NASDAQ	MKSI	Thu, May 28, 2020	105.88	107.36	102.42	103.24
5323	NASDAQ	MKSI	Wed, May 27, 2020	105.80	106.27	101.33	106.16
5322	NASDAQ	MKSI	Tue, May 26, 2020	103.62	106.07	103.32	104.29
5321	NASDAQ	MKSI	Fri, May 22, 2020	100.14	100.55	98.19	99.54
5320	NASDAQ	MKSI	Thu, May 21, 2020	101.72	103.08	98.93	99.79
5319	NASDAQ	MKSI	Wed, May 20, 2020	101.37	103.84	100.47	102.33
5318	NASDAQ	MKSI	Tue, May 19, 2020	97.20	101.81	97.07	98.69
5317	NASDAQ	MKSI	Mon, May 18, 2020	95.62	98.11	92.51	97.34
5316	NASDAQ	MKSI	Fri, May 15, 2020	93.90	94.75	92.00	92.47
5315	NASDAQ	MKSI	Thu, May 14, 2020	92.79	97.21	90.62	97.07
5314	NASDAQ	MKSI	Wed, May 13, 2020	96.77	97.88	91.99	94.26
5313	NASDAQ	MKSI	Tue, May 12, 2020	101.53	102.38	96.89	97.00
5312	NASDAQ	MKSI	Mon, May 11, 2020	99.81	101.73	99.53	100.57
5311	NASDAQ	MKSI	Fri, May 8, 2020	98.24	101.73	97.99	101.70
5310	NASDAQ	MKSI	Thu, May 7, 2020	97.11	98.46	96.21	96.49
5309	NASDAQ	MKSI	Wed, May 6, 2020	95.94	97.51	95.03	95.39
5308	NASDAQ	MKSI	Tue, May 5, 2020	94.10	98.42	93.52	95.17
5307	NASDAQ	MKSI	Mon, May 4, 2020	91.02	92.86	90.11	91.69
5306	NASDAQ	MKSI	Fri, May 1, 2020	96.55	96.66	90.97	91.98
5305	NASDAQ	MKSI	Thu, Apr 30, 2020	106.10	108.13	99.71	100.23
5304	NASDAQ	MKSI	Wed, Apr 29, 2020	101.00	110.75	100.00	107.95
5303	NASDAQ	MKSI	Tue, Apr 28, 2020	98.34	100.99	96.64	97.75
5302	NASDAQ	MKSI	Mon, Apr 27, 2020	93.32	96.58	92.76	96.08
5301	NASDAQ	MKSI	Fri, Apr 24, 2020	92.18	92.56	89.52	92.36
5300	NASDAQ	MKSI	Thu, Apr 23, 2020	91.08	92.87	90.51	91.28
5299	NASDAQ	MKSI	Wed, Apr 22, 2020	88.02	91.71	87.54	91.11
5298	NASDAQ	MKSI	Tue, Apr 21, 2020	89.24	90.73	84.72	85.20
5297	NASDAQ	MKSI	Mon, Apr 20, 2020	90.76	92.37	89.92	90.94
5296	NASDAQ	MKSI	Fri, Apr 17, 2020	93.70	93.70	91.12	92.74
5295	NASDAQ	MKSI	Thu, Apr 16, 2020	86.78	91.16	84.55	90.65
5294	NASDAQ	MKSI	Wed, Apr 15, 2020	86.38	89.31	84.21	85.40
5293	NASDAQ	MKSI	Tue, Apr 14, 2020	89.40	91.50	88.27	90.23
5292	NASDAQ	MKSI	Mon, Apr 13, 2020	84.99	87.37	84.00	86.75
5291	NASDAQ	MKSI	Thu, Apr 9, 2020	92.61	93.47	85.80	86.52
5290	NASDAQ	MKSI	Wed, Apr 8, 2020	88.08	90.35	86.27	89.86
5289	NASDAQ	MKSI	Tue, Apr 7, 2020	87.57	90.51	85.55	86.21
5288	NASDAQ	MKSI	Mon, Apr 6, 2020	78.80	85.82	77.59	85.30
5287	NASDAQ	MKSI	Fri, Apr 3, 2020	77.66	78.32	74.25	74.98
5286	NASDAQ	MKSI	Thu, Apr 2, 2020	73.60	79.75	73.60	77.80
5285	NASDAQ	MKSI	Wed, Apr 1, 2020	77.00	82.65	76.20	77.16
5284	NASDAQ	MKSI	Tue, Mar 31, 2020	83.30	84.72	80.54	81.45
5283	NASDAQ	MKSI	Mon, Mar 30, 2020	81.10	83.36	78.95	82.94
5282	NASDAQ	MKSI	Fri, Mar 27, 2020	82.05	87.37	79.57	79.97
5281	NASDAQ	MKSI	Thu, Mar 26, 2020	83.28	87.55	81.29	86.46
5280	NASDAQ	MKSI	Wed, Mar 25, 2020	83.30	87.71	79.39	81.81
5279	NASDAQ	MKSI	Tue, Mar 24, 2020	77.38	84.00	74.02	83.76
5278	NASDAQ	MKSI	Mon, Mar 23, 2020	74.19	78.26	71.17	73.41
5277	NASDAQ	MKSI	Fri, Mar 20, 2020	73.90	80.21	73.25	74.75
5276	NASDAQ	MKSI	Thu, Mar 19, 2020	72.05	80.10	69.38	72.07
5275	NASDAQ	MKSI	Wed, Mar 18, 2020	74.91	81.28	68.80	72.10
5274	NASDAQ	MKSI	Tue, Mar 17, 2020	72.38	83.12	66.87	82.46
5273	NASDAQ	MKSI	Mon, Mar 16, 2020	78.40	84.40	70.88	70.88
5272	NASDAQ	MKSI	Fri, Mar 13, 2020	88.02	91.14	80.08	91.01
5271	NASDAQ	MKSI	Thu, Mar 12, 2020	81.74	87.65	79.81	81.69
5270	NASDAQ	MKSI	Wed, Mar 11, 2020	93.81	95.27	88.17	89.69
5269	NASDAQ	MKSI	Tue, Mar 10, 2020	94.91	96.81	89.47	96.70
5268	NASDAQ	MKSI	Mon, Mar 9, 2020	90.19	95.44	90.12	91.03
5267	NASDAQ	MKSI	Fri, Mar 6, 2020	95.85	101.15	95.00	100.84
5266	NASDAQ	MKSI	Thu, Mar 5, 2020	99.39	102.04	98.36	99.41
5265	NASDAQ	MKSI	Wed, Mar 4, 2020	98.31	102.64	97.11	102.53
5264	NASDAQ	MKSI	Tue, Mar 3, 2020	100.78	102.67	94.87	96.45
5263	NASDAQ	MKSI	Mon, Mar 2, 2020	100.68	100.97	95.43	100.78
5262	NASDAQ	MKSI	Fri, Feb 28, 2020	93.83	100.55	93.45	100.19
5261	NASDAQ	MKSI	Thu, Feb 27, 2020	98.67	101.17	96.44	97.89
5260	NASDAQ	MKSI	Wed, Feb 26, 2020	101.72	106.10	101.72	102.87
5259	NASDAQ	MKSI	Tue, Feb 25, 2020	106.19	106.52	101.53	101.79
5258	NASDAQ	MKSI	Mon, Feb 24, 2020	106.06	106.87	104.53	104.89
5257	NASDAQ	MKSI	Fri, Feb 21, 2020	114.51	114.53	111.04	112.01
5256	NASDAQ	MKSI	Thu, Feb 20, 2020	116.22	117.57	113.75	115.90
5255	NASDAQ	MKSI	Wed, Feb 19, 2020	115.49	118.15	115.09	117.13
5254	NASDAQ	MKSI	Tue, Feb 18, 2020	114.98	118.97	112.57	113.87
5253	NASDAQ	MKSI	Fri, Feb 14, 2020	121.14	121.72	116.94	118.01
5252	NASDAQ	MKSI	Thu, Feb 13, 2020	118.48	122.30	117.27	120.84
5251	NASDAQ	MKSI	Wed, Feb 12, 2020	118.19	118.52	116.47	117.55
5250	NASDAQ	MKSI	Tue, Feb 11, 2020	113.79	116.97	112.97	116.40
5249	NASDAQ	MKSI	Mon, Feb 10, 2020	109.06	113.01	109.03	112.90
5248	NASDAQ	MKSI	Fri, Feb 7, 2020	112.50	112.50	109.55	110.31
5247	NASDAQ	MKSI	Thu, Feb 6, 2020	115.77	115.99	112.01	113.72
5246	NASDAQ	MKSI	Wed, Feb 5, 2020	115.98	116.37	112.80	115.49
5245	NASDAQ	MKSI	Tue, Feb 4, 2020	112.34	114.28	111.53	113.77
5244	NASDAQ	MKSI	Mon, Feb 3, 2020	105.67	109.69	104.82	109.43
5243	NASDAQ	MKSI	Fri, Jan 31, 2020	107.96	107.96	104.50	104.82
5242	NASDAQ	MKSI	Thu, Jan 30, 2020	111.14	113.44	107.00	109.21
5241	NASDAQ	MKSI	Wed, Jan 29, 2020	110.01	115.99	107.27	110.21
5240	NASDAQ	MKSI	Tue, Jan 28, 2020	110.27	114.01	108.89	113.43
5239	NASDAQ	MKSI	Mon, Jan 27, 2020	109.23	110.42	106.56	108.63
5238	NASDAQ	MKSI	Fri, Jan 24, 2020	117.93	118.21	112.03	112.91
5237	NASDAQ	MKSI	Thu, Jan 23, 2020	117.86	117.86	116.13	116.81
5236	NASDAQ	MKSI	Wed, Jan 22, 2020	117.62	119.22	117.19	117.61
5235	NASDAQ	MKSI	Tue, Jan 21, 2020	114.54	116.85	114.54	116.53
5234	NASDAQ	MKSI	Fri, Jan 17, 2020	115.57	115.77	113.76	114.78
5233	NASDAQ	MKSI	Thu, Jan 16, 2020	113.99	115.78	113.97	115.50
5232	NASDAQ	MKSI	Wed, Jan 15, 2020	113.15	114.19	112.17	113.09
5231	NASDAQ	MKSI	Tue, Jan 14, 2020	110.66	115.17	110.33	113.89
5230	NASDAQ	MKSI	Mon, Jan 13, 2020	107.76	109.77	107.61	109.67
5229	NASDAQ	MKSI	Fri, Jan 10, 2020	109.97	110.58	107.20	107.66
5228	NASDAQ	MKSI	Thu, Jan 9, 2020	109.49	110.13	107.92	110.10
5227	NASDAQ	MKSI	Wed, Jan 8, 2020	108.85	109.77	107.97	108.16
5226	NASDAQ	MKSI	Tue, Jan 7, 2020	106.50	109.84	106.00	108.70
5225	NASDAQ	MKSI	Mon, Jan 6, 2020	106.51	107.72	105.13	105.91
5224	NASDAQ	MKSI	Fri, Jan 3, 2020	109.72	110.60	107.38	107.76
5223	NASDAQ	MKSI	Thu, Jan 2, 2020	112.07	112.72	109.84	111.83
5222	NASDAQ	MKSI	Tue, Dec 31, 2019	110.25	111.11	109.45	110.01
5221	NASDAQ	MKSI	Mon, Dec 30, 2019	110.34	111.20	107.97	110.85
5220	NASDAQ	MKSI	Fri, Dec 27, 2019	112.00	112.24	110.12	110.44
5219	NASDAQ	MKSI	Thu, Dec 26, 2019	111.56	112.10	111.18	111.73
5218	NASDAQ	MKSI	Tue, Dec 24, 2019	112.60	112.60	109.16	111.45
5217	NASDAQ	MKSI	Mon, Dec 23, 2019	113.00	113.00	111.22	111.88
5216	NASDAQ	MKSI	Fri, Dec 20, 2019	112.00	113.73	111.45	112.54
5215	NASDAQ	MKSI	Thu, Dec 19, 2019	110.25	112.00	108.86	111.20
5214	NASDAQ	MKSI	Wed, Dec 18, 2019	110.21	111.04	108.31	109.97
5213	NASDAQ	MKSI	Tue, Dec 17, 2019	110.39	111.27	109.81	110.71
5212	NASDAQ	MKSI	Mon, Dec 16, 2019	110.28	112.16	109.91	109.94
5211	NASDAQ	MKSI	Fri, Dec 13, 2019	110.56	111.66	109.05	109.33
5210	NASDAQ	MKSI	Thu, Dec 12, 2019	108.69	111.94	107.65	110.82
5209	NASDAQ	MKSI	Wed, Dec 11, 2019	106.44	109.10	106.44	108.89
5208	NASDAQ	MKSI	Tue, Dec 10, 2019	105.72	107.00	105.01	106.65
5207	NASDAQ	MKSI	Mon, Dec 9, 2019	107.73	108.19	105.09	105.27
5206	NASDAQ	MKSI	Fri, Dec 6, 2019	107.28	108.75	107.23	108.22
5205	NASDAQ	MKSI	Thu, Dec 5, 2019	107.08	107.76	105.62	106.14
5204	NASDAQ	MKSI	Wed, Dec 4, 2019	105.66	107.54	105.66	106.40
5203	NASDAQ	MKSI	Tue, Dec 3, 2019	103.81	104.69	103.35	104.52
5202	NASDAQ	MKSI	Mon, Dec 2, 2019	106.92	107.30	104.75	106.34
5201	NASDAQ	MKSI	Fri, Nov 29, 2019	107.44	108.47	106.11	106.28
5200	NASDAQ	MKSI	Wed, Nov 27, 2019	107.42	108.65	106.56	108.30
5199	NASDAQ	MKSI	Tue, Nov 26, 2019	106.51	107.40	105.35	107.36
5198	NASDAQ	MKSI	Mon, Nov 25, 2019	103.35	106.84	102.78	106.40
5197	NASDAQ	MKSI	Fri, Nov 22, 2019	104.05	104.05	101.83	102.58
5196	NASDAQ	MKSI	Thu, Nov 21, 2019	105.71	105.71	102.14	103.14
5195	NASDAQ	MKSI	Wed, Nov 20, 2019	105.85	108.10	105.80	106.46
5194	NASDAQ	MKSI	Tue, Nov 19, 2019	109.99	110.14	106.98	107.00
5193	NASDAQ	MKSI	Mon, Nov 18, 2019	109.55	110.77	108.52	109.64
5192	NASDAQ	MKSI	Fri, Nov 15, 2019	110.82	111.98	109.78	109.88
5191	NASDAQ	MKSI	Thu, Nov 14, 2019	108.99	109.70	108.37	109.05
5190	NASDAQ	MKSI	Wed, Nov 13, 2019	109.10	110.23	108.53	109.38
5189	NASDAQ	MKSI	Tue, Nov 12, 2019	111.40	112.25	109.95	110.37
5188	NASDAQ	MKSI	Mon, Nov 11, 2019	111.32	112.30	110.57	110.83
5187	NASDAQ	MKSI	Fri, Nov 8, 2019	111.16	112.63	110.72	112.42
5186	NASDAQ	MKSI	Thu, Nov 7, 2019	114.31	114.74	111.81	112.15
5185	NASDAQ	MKSI	Wed, Nov 6, 2019	113.48	113.50	111.21	112.86
5184	NASDAQ	MKSI	Tue, Nov 5, 2019	112.88	114.70	111.90	114.16
5183	NASDAQ	MKSI	Mon, Nov 4, 2019	111.53	113.28	110.36	112.73
5182	NASDAQ	MKSI	Fri, Nov 1, 2019	108.94	110.00	108.69	109.82
5181	NASDAQ	MKSI	Thu, Oct 31, 2019	109.63	109.63	108.00	108.22
5180	NASDAQ	MKSI	Wed, Oct 30, 2019	111.98	112.66	109.55	110.15
5179	NASDAQ	MKSI	Tue, Oct 29, 2019	114.11	114.53	111.47	111.82
5178	NASDAQ	MKSI	Mon, Oct 28, 2019	111.03	115.12	110.79	114.73
5177	NASDAQ	MKSI	Fri, Oct 25, 2019	109.06	110.90	107.70	110.78
5176	NASDAQ	MKSI	Thu, Oct 24, 2019	104.67	110.00	102.08	109.49
5175	NASDAQ	MKSI	Wed, Oct 23, 2019	94.78	96.74	93.29	94.64
5174	NASDAQ	MKSI	Tue, Oct 22, 2019	95.67	96.96	95.54	95.86
5173	NASDAQ	MKSI	Mon, Oct 21, 2019	95.33	96.89	94.95	95.84
5172	NASDAQ	MKSI	Fri, Oct 18, 2019	94.56	95.02	92.57	94.33
5171	NASDAQ	MKSI	Thu, Oct 17, 2019	94.35	97.89	94.17	94.67
5170	NASDAQ	MKSI	Wed, Oct 16, 2019	93.18	94.14	92.37	93.02
5169	NASDAQ	MKSI	Tue, Oct 15, 2019	92.78	95.00	91.91	93.92
5168	NASDAQ	MKSI	Mon, Oct 14, 2019	93.40	93.58	91.79	92.36
5167	NASDAQ	MKSI	Fri, Oct 11, 2019	93.41	95.06	92.36	93.64
5166	NASDAQ	MKSI	Thu, Oct 10, 2019	89.93	92.24	89.29	91.08
5165	NASDAQ	MKSI	Wed, Oct 9, 2019	88.85	90.09	88.03	89.47
5164	NASDAQ	MKSI	Tue, Oct 8, 2019	90.07	90.60	87.51	87.63
5163	NASDAQ	MKSI	Mon, Oct 7, 2019	91.90	92.41	90.96	91.39
5162	NASDAQ	MKSI	Fri, Oct 4, 2019	89.80	92.49	89.76	92.49
5161	NASDAQ	MKSI	Thu, Oct 3, 2019	86.86	89.26	85.01	89.19
5160	NASDAQ	MKSI	Wed, Oct 2, 2019	88.28	88.28	85.29	87.04
5159	NASDAQ	MKSI	Tue, Oct 1, 2019	93.02	94.29	88.98	89.10
5158	NASDAQ	MKSI	Mon, Sep 30, 2019	91.52	92.48	90.51	92.28
5157	NASDAQ	MKSI	Fri, Sep 27, 2019	94.06	94.26	90.50	90.95
5156	NASDAQ	MKSI	Thu, Sep 26, 2019	94.88	95.52	93.88	94.04
5155	NASDAQ	MKSI	Wed, Sep 25, 2019	92.11	95.73	91.92	95.17
5154	NASDAQ	MKSI	Tue, Sep 24, 2019	95.00	95.55	92.60	92.90
5153	NASDAQ	MKSI	Mon, Sep 23, 2019	93.34	94.69	92.85	94.27
5152	NASDAQ	MKSI	Fri, Sep 20, 2019	94.06	94.57	92.07	93.00
5151	NASDAQ	MKSI	Thu, Sep 19, 2019	93.83	94.85	93.54	93.71
5150	NASDAQ	MKSI	Wed, Sep 18, 2019	92.72	93.92	91.49	92.94
5149	NASDAQ	MKSI	Tue, Sep 17, 2019	92.91	93.53	91.21	93.15
5148	NASDAQ	MKSI	Mon, Sep 16, 2019	92.54	94.86	91.92	93.00
5147	NASDAQ	MKSI	Fri, Sep 13, 2019	95.00	95.00	93.28	93.49
5146	NASDAQ	MKSI	Thu, Sep 12, 2019	94.25	95.13	92.26	94.54
5145	NASDAQ	MKSI	Wed, Sep 11, 2019	91.75	94.20	90.72	93.58
5144	NASDAQ	MKSI	Tue, Sep 10, 2019	90.60	91.19	88.70	91.18
5143	NASDAQ	MKSI	Mon, Sep 9, 2019	87.85	90.94	87.36	90.81
5142	NASDAQ	MKSI	Fri, Sep 6, 2019	85.36	87.12	84.53	86.95
5141	NASDAQ	MKSI	Thu, Sep 5, 2019	82.84	86.81	82.78	85.21
5140	NASDAQ	MKSI	Wed, Sep 4, 2019	78.85	81.05	77.95	80.83
5139	NASDAQ	MKSI	Tue, Sep 3, 2019	77.00	78.05	76.14	77.35
5138	NASDAQ	MKSI	Fri, Aug 30, 2019	77.16	78.35	76.60	78.29
5137	NASDAQ	MKSI	Thu, Aug 29, 2019	75.23	76.91	75.23	76.46
5136	NASDAQ	MKSI	Wed, Aug 28, 2019	72.83	74.09	72.15	73.79
5135	NASDAQ	MKSI	Tue, Aug 27, 2019	74.99	76.77	72.57	72.95
5134	NASDAQ	MKSI	Mon, Aug 26, 2019	76.47	76.90	73.80	74.25
5133	NASDAQ	MKSI	Fri, Aug 23, 2019	78.00	78.00	74.95	75.10
5132	NASDAQ	MKSI	Thu, Aug 22, 2019	78.61	78.92	76.82	78.60
5131	NASDAQ	MKSI	Wed, Aug 21, 2019	78.29	78.32	77.27	78.05
5130	NASDAQ	MKSI	Tue, Aug 20, 2019	77.53	78.30	77.00	77.24
5129	NASDAQ	MKSI	Mon, Aug 19, 2019	78.47	79.49	77.68	77.74
5128	NASDAQ	MKSI	Fri, Aug 16, 2019	73.85	76.79	73.85	76.57
5127	NASDAQ	MKSI	Thu, Aug 15, 2019	74.31	74.41	73.21	73.66
5126	NASDAQ	MKSI	Wed, Aug 14, 2019	73.25	74.40	73.19	73.81
5125	NASDAQ	MKSI	Tue, Aug 13, 2019	74.25	77.38	73.51	75.93
5124	NASDAQ	MKSI	Mon, Aug 12, 2019	74.02	74.99	73.34	74.07
5123	NASDAQ	MKSI	Fri, Aug 9, 2019	75.18	75.67	73.94	74.98
5122	NASDAQ	MKSI	Thu, Aug 8, 2019	74.44	76.64	74.03	76.56
5121	NASDAQ	MKSI	Wed, Aug 7, 2019	72.47	74.61	72.21	73.38
5120	NASDAQ	MKSI	Tue, Aug 6, 2019	74.75	76.16	72.50	73.52
5119	NASDAQ	MKSI	Mon, Aug 5, 2019	77.97	78.33	73.12	73.71
5118	NASDAQ	MKSI	Fri, Aug 2, 2019	81.98	82.63	79.84	80.41
5117	NASDAQ	MKSI	Thu, Aug 1, 2019	84.72	86.39	82.24	83.04
5116	NASDAQ	MKSI	Wed, Jul 31, 2019	85.05	87.91	84.20	85.13
5115	NASDAQ	MKSI	Tue, Jul 30, 2019	86.88	89.23	86.72	89.07
5114	NASDAQ	MKSI	Mon, Jul 29, 2019	87.40	88.21	86.60	87.88
5113	NASDAQ	MKSI	Fri, Jul 26, 2019	87.17	88.45	86.39	87.57
5112	NASDAQ	MKSI	Thu, Jul 25, 2019	89.02	89.68	86.02	86.55
5111	NASDAQ	MKSI	Wed, Jul 24, 2019	85.34	89.58	85.33	89.54
5110	NASDAQ	MKSI	Tue, Jul 23, 2019	83.88	85.12	83.53	84.79
5109	NASDAQ	MKSI	Mon, Jul 22, 2019	80.00	83.76	79.65	83.06
5108	NASDAQ	MKSI	Fri, Jul 19, 2019	80.86	80.98	79.14	79.20
5107	NASDAQ	MKSI	Thu, Jul 18, 2019	78.16	80.75	78.06	80.37
5106	NASDAQ	MKSI	Wed, Jul 17, 2019	77.05	78.39	76.25	78.05
5105	NASDAQ	MKSI	Tue, Jul 16, 2019	77.95	77.95	76.21	76.63
5104	NASDAQ	MKSI	Mon, Jul 15, 2019	78.23	78.62	77.40	78.22
5103	NASDAQ	MKSI	Fri, Jul 12, 2019	77.47	78.73	77.18	78.04
5102	NASDAQ	MKSI	Thu, Jul 11, 2019	79.10	79.10	76.99	77.42
5101	NASDAQ	MKSI	Wed, Jul 10, 2019	78.47	79.63	78.23	78.75
5100	NASDAQ	MKSI	Tue, Jul 9, 2019	76.25	78.04	76.25	77.64
5099	NASDAQ	MKSI	Mon, Jul 8, 2019	77.07	78.00	76.65	77.02
5098	NASDAQ	MKSI	Fri, Jul 5, 2019	78.22	78.35	77.08	78.02
5097	NASDAQ	MKSI	Wed, Jul 3, 2019	80.52	80.93	78.55	78.87
5096	NASDAQ	MKSI	Tue, Jul 2, 2019	81.42	81.80	79.90	80.39
5095	NASDAQ	MKSI	Mon, Jul 1, 2019	81.28	82.07	80.85	81.94
5094	NASDAQ	MKSI	Fri, Jun 28, 2019	79.42	80.16	77.45	77.89
5093	NASDAQ	MKSI	Thu, Jun 27, 2019	76.88	78.64	76.88	78.49
5092	NASDAQ	MKSI	Wed, Jun 26, 2019	75.32	76.65	75.29	76.33
5091	NASDAQ	MKSI	Tue, Jun 25, 2019	76.50	76.75	73.48	73.55
5090	NASDAQ	MKSI	Mon, Jun 24, 2019	76.37	76.54	75.81	76.23
5089	NASDAQ	MKSI	Fri, Jun 21, 2019	75.92	76.54	75.82	76.16
5088	NASDAQ	MKSI	Thu, Jun 20, 2019	75.28	76.42	74.51	76.16
5087	NASDAQ	MKSI	Wed, Jun 19, 2019	74.47	75.37	73.65	74.46
5086	NASDAQ	MKSI	Tue, Jun 18, 2019	72.59	75.20	72.03	73.88
5085	NASDAQ	MKSI	Mon, Jun 17, 2019	72.10	72.74	70.93	71.86
5084	NASDAQ	MKSI	Fri, Jun 14, 2019	72.30	72.30	70.89	71.86
5083	NASDAQ	MKSI	Thu, Jun 13, 2019	74.14	74.84	73.12	73.64
5082	NASDAQ	MKSI	Wed, Jun 12, 2019	75.38	75.38	73.05	73.92
5081	NASDAQ	MKSI	Tue, Jun 11, 2019	77.49	77.68	75.18	75.92
5080	NASDAQ	MKSI	Mon, Jun 10, 2019	74.29	77.00	74.29	76.19
5079	NASDAQ	MKSI	Fri, Jun 7, 2019	74.03	74.56	73.11	73.76
5078	NASDAQ	MKSI	Thu, Jun 6, 2019	72.98	73.86	71.72	73.59
5077	NASDAQ	MKSI	Wed, Jun 5, 2019	74.57	75.03	70.85	72.81
5076	NASDAQ	MKSI	Tue, Jun 4, 2019	72.17	74.32	71.68	74.28
5075	NASDAQ	MKSI	Mon, Jun 3, 2019	71.93	72.21	70.47	70.87
5074	NASDAQ	MKSI	Fri, May 31, 2019	71.48	72.32	71.30	71.46
5073	NASDAQ	MKSI	Thu, May 30, 2019	73.07	73.94	71.91	72.63
5072	NASDAQ	MKSI	Wed, May 29, 2019	73.34	74.38	72.03	72.79
5071	NASDAQ	MKSI	Tue, May 28, 2019	74.67	75.15	73.77	74.18
5070	NASDAQ	MKSI	Fri, May 24, 2019	74.76	75.31	74.25	74.36
5069	NASDAQ	MKSI	Thu, May 23, 2019	73.70	74.35	73.27	74.10
5068	NASDAQ	MKSI	Wed, May 22, 2019	75.21	75.88	73.70	75.19
5067	NASDAQ	MKSI	Tue, May 21, 2019	75.28	76.00	74.57	75.77
5066	NASDAQ	MKSI	Mon, May 20, 2019	76.99	76.99	73.62	74.07
5065	NASDAQ	MKSI	Fri, May 17, 2019	79.33	80.68	78.10	78.22
5064	NASDAQ	MKSI	Thu, May 16, 2019	81.36	81.62	79.94	80.42
5063	NASDAQ	MKSI	Wed, May 15, 2019	81.15	82.53	80.63	81.71
5062	NASDAQ	MKSI	Tue, May 14, 2019	80.73	81.58	79.85	80.75
5061	NASDAQ	MKSI	Mon, May 13, 2019	80.73	81.71	78.99	79.55
5060	NASDAQ	MKSI	Fri, May 10, 2019	84.06	84.69	82.17	83.35
5059	NASDAQ	MKSI	Thu, May 9, 2019	84.10	85.28	82.62	84.73
5058	NASDAQ	MKSI	Wed, May 8, 2019	85.74	87.46	85.45	85.84
5057	NASDAQ	MKSI	Tue, May 7, 2019	87.65	88.14	84.68	86.01
5056	NASDAQ	MKSI	Mon, May 6, 2019	88.36	89.81	87.75	89.50
5055	NASDAQ	MKSI	Fri, May 3, 2019	90.39	91.13	89.43	90.93
5054	NASDAQ	MKSI	Thu, May 2, 2019	89.15	91.43	88.37	89.46
5053	NASDAQ	MKSI	Wed, May 1, 2019	90.23	92.22	88.55	88.56
5052	NASDAQ	MKSI	Tue, Apr 30, 2019	94.20	95.71	88.30	91.01
5051	NASDAQ	MKSI	Mon, Apr 29, 2019	101.45	102.00	100.07	100.30
5050	NASDAQ	MKSI	Fri, Apr 26, 2019	99.77	101.70	98.34	101.60
5049	NASDAQ	MKSI	Thu, Apr 25, 2019	102.03	103.86	100.30	100.75
5048	NASDAQ	MKSI	Wed, Apr 24, 2019	100.70	103.50	100.04	100.75
5047	NASDAQ	MKSI	Tue, Apr 23, 2019	100.14	101.40	99.50	100.70
5046	NASDAQ	MKSI	Mon, Apr 22, 2019	99.86	100.55	99.53	100.10
5045	NASDAQ	MKSI	Thu, Apr 18, 2019	101.02	101.50	99.76	100.46
5044	NASDAQ	MKSI	Wed, Apr 17, 2019	101.50	101.97	99.48	100.79
5043	NASDAQ	MKSI	Tue, Apr 16, 2019	98.30	100.92	98.30	100.02
5042	NASDAQ	MKSI	Mon, Apr 15, 2019	99.50	99.96	96.98	97.47
5041	NASDAQ	MKSI	Fri, Apr 12, 2019	98.11	99.59	97.06	99.48
5040	NASDAQ	MKSI	Thu, Apr 11, 2019	97.75	99.04	97.51	97.62
5039	NASDAQ	MKSI	Wed, Apr 10, 2019	97.46	97.70	96.22	97.55
5038	NASDAQ	MKSI	Tue, Apr 9, 2019	98.45	98.45	96.78	97.15
5037	NASDAQ	MKSI	Mon, Apr 8, 2019	98.92	99.24	97.83	99.23
5036	NASDAQ	MKSI	Fri, Apr 5, 2019	98.69	99.75	98.35	99.08
5035	NASDAQ	MKSI	Thu, Apr 4, 2019	98.42	99.53	97.19	98.13
5034	NASDAQ	MKSI	Wed, Apr 3, 2019	96.49	99.99	96.05	98.57
5033	NASDAQ	MKSI	Tue, Apr 2, 2019	94.97	94.97	93.68	94.80
5032	NASDAQ	MKSI	Mon, Apr 1, 2019	94.27	94.89	93.71	94.43
5031	NASDAQ	MKSI	Fri, Mar 29, 2019	91.25	93.22	90.74	93.05
5030	NASDAQ	MKSI	Thu, Mar 28, 2019	89.29	90.70	88.57	89.89
5029	NASDAQ	MKSI	Wed, Mar 27, 2019	89.22	89.81	87.39	89.10
5028	NASDAQ	MKSI	Tue, Mar 26, 2019	89.65	90.14	88.31	89.26
5027	NASDAQ	MKSI	Mon, Mar 25, 2019	90.60	91.16	87.76	88.45
5026	NASDAQ	MKSI	Fri, Mar 22, 2019	91.97	92.22	90.50	90.77
5025	NASDAQ	MKSI	Thu, Mar 21, 2019	87.75	93.72	87.75	92.57
5024	NASDAQ	MKSI	Wed, Mar 20, 2019	87.74	88.46	86.66	87.85
5023	NASDAQ	MKSI	Tue, Mar 19, 2019	88.30	88.59	87.26	87.76
5022	NASDAQ	MKSI	Mon, Mar 18, 2019	87.65	88.21	87.07	87.62
5021	NASDAQ	MKSI	Fri, Mar 15, 2019	82.15	87.84	81.60	87.74
5020	NASDAQ	MKSI	Thu, Mar 14, 2019	79.87	81.94	79.18	80.51
5019	NASDAQ	MKSI	Wed, Mar 13, 2019	81.20	81.20	79.75	79.76
5018	NASDAQ	MKSI	Tue, Mar 12, 2019	80.72	81.48	79.51	80.84
5017	NASDAQ	MKSI	Mon, Mar 11, 2019	78.94	80.65	78.39	80.33
5016	NASDAQ	MKSI	Fri, Mar 8, 2019	77.73	79.42	77.37	78.45
5015	NASDAQ	MKSI	Thu, Mar 7, 2019	80.41	80.41	78.77	78.89
5014	NASDAQ	MKSI	Wed, Mar 6, 2019	83.78	83.78	80.67	80.78
5013	NASDAQ	MKSI	Tue, Mar 5, 2019	84.71	85.23	83.43	84.07
5012	NASDAQ	MKSI	Mon, Mar 4, 2019	84.24	85.79	83.76	84.72
5011	NASDAQ	MKSI	Fri, Mar 1, 2019	83.90	84.27	82.53	83.85
5010	NASDAQ	MKSI	Thu, Feb 28, 2019	82.77	83.43	81.61	82.87
5009	NASDAQ	MKSI	Wed, Feb 27, 2019	84.67	84.72	82.60	83.34
5008	NASDAQ	MKSI	Tue, Feb 26, 2019	85.50	86.13	84.71	84.73
5007	NASDAQ	MKSI	Mon, Feb 25, 2019	85.91	86.90	85.00	85.84
5006	NASDAQ	MKSI	Fri, Feb 22, 2019	85.71	85.76	83.89	84.55
5005	NASDAQ	MKSI	Thu, Feb 21, 2019	86.46	87.04	85.13	85.24
5004	NASDAQ	MKSI	Wed, Feb 20, 2019	85.11	87.09	85.11	86.66
5003	NASDAQ	MKSI	Tue, Feb 19, 2019	84.57	85.82	84.20	84.89
5002	NASDAQ	MKSI	Fri, Feb 15, 2019	84.19	84.78	83.11	84.70
5001	NASDAQ	MKSI	Thu, Feb 14, 2019	83.43	85.00	82.88	83.83
5000	NASDAQ	MKSI	Wed, Feb 13, 2019	84.14	84.51	82.87	83.55
4999	NASDAQ	MKSI	Tue, Feb 12, 2019	82.44	83.76	81.99	83.68
4998	NASDAQ	MKSI	Mon, Feb 11, 2019	81.79	82.30	80.83	81.39
4997	NASDAQ	MKSI	Fri, Feb 8, 2019	80.50	81.55	79.53	81.52
4996	NASDAQ	MKSI	Thu, Feb 7, 2019	83.91	84.26	80.33	81.54
4995	NASDAQ	MKSI	Wed, Feb 6, 2019	82.50	85.25	82.37	84.85
4994	NASDAQ	MKSI	Tue, Feb 5, 2019	82.96	83.96	82.06	82.14
4993	NASDAQ	MKSI	Mon, Feb 4, 2019	84.01	84.21	82.16	82.82
4992	NASDAQ	MKSI	Fri, Feb 1, 2019	81.79	84.72	81.79	84.10
4991	NASDAQ	MKSI	Thu, Jan 31, 2019	81.27	82.91	80.47	81.63
4990	NASDAQ	MKSI	Wed, Jan 30, 2019	77.70	83.30	75.92	81.40
4989	NASDAQ	MKSI	Tue, Jan 29, 2019	79.57	79.57	76.96	78.09
4988	NASDAQ	MKSI	Mon, Jan 28, 2019	77.31	80.27	76.35	79.53
4987	NASDAQ	MKSI	Fri, Jan 25, 2019	77.93	80.16	77.47	79.46
4986	NASDAQ	MKSI	Thu, Jan 24, 2019	72.99	78.30	72.99	76.90
4985	NASDAQ	MKSI	Wed, Jan 23, 2019	72.76	72.82	70.60	71.50
4984	NASDAQ	MKSI	Tue, Jan 22, 2019	73.76	73.76	71.51	71.93
4983	NASDAQ	MKSI	Fri, Jan 18, 2019	73.20	75.41	72.93	74.16
4982	NASDAQ	MKSI	Thu, Jan 17, 2019	71.27	73.08	70.73	72.59
4981	NASDAQ	MKSI	Wed, Jan 16, 2019	72.04	73.39	71.39	71.54
4980	NASDAQ	MKSI	Tue, Jan 15, 2019	72.00	72.47	70.28	71.63
4979	NASDAQ	MKSI	Mon, Jan 14, 2019	71.98	72.45	70.30	71.44
4978	NASDAQ	MKSI	Fri, Jan 11, 2019	72.15	73.75	71.47	73.02
4977	NASDAQ	MKSI	Thu, Jan 10, 2019	70.34	72.74	69.93	72.30
4976	NASDAQ	MKSI	Wed, Jan 9, 2019	68.17	71.69	68.17	70.99
4975	NASDAQ	MKSI	Tue, Jan 8, 2019	68.82	69.36	66.23	67.90
4974	NASDAQ	MKSI	Mon, Jan 7, 2019	66.95	69.00	66.23	68.05
4973	NASDAQ	MKSI	Fri, Jan 4, 2019	63.23	67.00	63.23	66.80
4972	NASDAQ	MKSI	Thu, Jan 3, 2019	64.56	65.15	62.72	63.07
4971	NASDAQ	MKSI	Wed, Jan 2, 2019	63.25	66.32	63.25	66.12
4970	NASDAQ	MKSI	Mon, Dec 31, 2018	65.21	65.45	63.50	64.61
4969	NASDAQ	MKSI	Fri, Dec 28, 2018	63.62	65.54	63.11	64.15
4968	NASDAQ	MKSI	Thu, Dec 27, 2018	60.53	63.23	60.41	63.22
4967	NASDAQ	MKSI	Wed, Dec 26, 2018	57.46	61.66	56.90	61.57
4966	NASDAQ	MKSI	Mon, Dec 24, 2018	58.73	59.28	56.37	57.00
4965	NASDAQ	MKSI	Fri, Dec 21, 2018	62.23	62.38	58.77	59.36
4964	NASDAQ	MKSI	Thu, Dec 20, 2018	63.27	64.19	60.94	61.69
4963	NASDAQ	MKSI	Wed, Dec 19, 2018	65.84	67.19	62.64	63.28
4962	NASDAQ	MKSI	Tue, Dec 18, 2018	65.83	68.23	64.36	66.32
4961	NASDAQ	MKSI	Mon, Dec 17, 2018	64.82	66.77	64.16	65.18
4960	NASDAQ	MKSI	Fri, Dec 14, 2018	65.99	67.03	64.69	64.83
4959	NASDAQ	MKSI	Thu, Dec 13, 2018	68.59	69.03	66.06	66.41
4958	NASDAQ	MKSI	Wed, Dec 12, 2018	68.33	69.33	67.06	68.08
4957	NASDAQ	MKSI	Tue, Dec 11, 2018	68.95	70.66	66.99	67.11
4956	NASDAQ	MKSI	Mon, Dec 10, 2018	68.00	68.77	66.84	67.50
4955	NASDAQ	MKSI	Fri, Dec 7, 2018	72.42	72.42	67.93	67.96
4954	NASDAQ	MKSI	Thu, Dec 6, 2018	74.00	74.60	71.33	72.56
4953	NASDAQ	MKSI	Tue, Dec 4, 2018	80.88	81.18	75.58	75.80
4952	NASDAQ	MKSI	Mon, Dec 3, 2018	80.59	81.73	79.50	81.29
4951	NASDAQ	MKSI	Fri, Nov 30, 2018	76.56	78.62	75.99	78.46
4950	NASDAQ	MKSI	Thu, Nov 29, 2018	77.90	78.45	76.49	76.55
4949	NASDAQ	MKSI	Wed, Nov 28, 2018	75.75	78.13	74.03	78.09
4948	NASDAQ	MKSI	Tue, Nov 27, 2018	75.00	76.46	74.59	75.15
4947	NASDAQ	MKSI	Mon, Nov 26, 2018	73.78	75.47	73.10	75.44
4946	NASDAQ	MKSI	Fri, Nov 23, 2018	72.26	74.30	72.11	72.94
4945	NASDAQ	MKSI	Wed, Nov 21, 2018	73.10	73.83	72.54	73.21
4944	NASDAQ	MKSI	Tue, Nov 20, 2018	69.21	73.34	68.73	72.11
4943	NASDAQ	MKSI	Mon, Nov 19, 2018	73.88	73.88	70.81	70.92
4942	NASDAQ	MKSI	Fri, Nov 16, 2018	71.55	74.64	70.79	74.17
4941	NASDAQ	MKSI	Thu, Nov 15, 2018	71.04	73.96	70.80	73.81
4940	NASDAQ	MKSI	Wed, Nov 14, 2018	72.15	73.03	71.08	71.47
4939	NASDAQ	MKSI	Tue, Nov 13, 2018	70.59	72.71	70.40	71.15
4938	NASDAQ	MKSI	Mon, Nov 12, 2018	71.78	72.48	68.91	69.95
4937	NASDAQ	MKSI	Fri, Nov 9, 2018	74.52	75.01	71.69	72.69
4936	NASDAQ	MKSI	Thu, Nov 8, 2018	75.46	76.70	74.74	75.12
4935	NASDAQ	MKSI	Wed, Nov 7, 2018	76.85	76.85	74.17	75.88
4934	NASDAQ	MKSI	Tue, Nov 6, 2018	75.53	76.81	75.36	76.19
4933	NASDAQ	MKSI	Mon, Nov 5, 2018	78.15	78.58	74.61	75.61
4932	NASDAQ	MKSI	Fri, Nov 2, 2018	78.41	79.19	77.36	78.24
4931	NASDAQ	MKSI	Thu, Nov 1, 2018	74.34	78.56	74.05	78.37
4930	NASDAQ	MKSI	Wed, Oct 31, 2018	73.86	74.81	72.20	73.69
4929	NASDAQ	MKSI	Tue, Oct 30, 2018	68.37	73.02	68.20	72.21
4928	NASDAQ	MKSI	Mon, Oct 29, 2018	71.92	72.37	67.88	69.28
4927	NASDAQ	MKSI	Fri, Oct 26, 2018	71.21	72.45	69.57	70.78
4926	NASDAQ	MKSI	Thu, Oct 25, 2018	71.33	73.41	71.29	72.95
4925	NASDAQ	MKSI	Wed, Oct 24, 2018	67.83	76.85	67.83	70.49
4924	NASDAQ	MKSI	Tue, Oct 23, 2018	71.76	73.99	70.00	73.35
4923	NASDAQ	MKSI	Mon, Oct 22, 2018	74.90	75.56	73.75	74.44
4922	NASDAQ	MKSI	Fri, Oct 19, 2018	76.15	76.76	74.19	74.69
4921	NASDAQ	MKSI	Thu, Oct 18, 2018	77.55	78.23	75.42	75.93
4920	NASDAQ	MKSI	Wed, Oct 17, 2018	78.74	79.45	77.64	78.04
4919	NASDAQ	MKSI	Tue, Oct 16, 2018	76.20	77.67	75.49	77.30
4918	NASDAQ	MKSI	Mon, Oct 15, 2018	74.75	75.57	73.50	75.09
4917	NASDAQ	MKSI	Fri, Oct 12, 2018	75.38	75.69	73.90	74.85
4916	NASDAQ	MKSI	Thu, Oct 11, 2018	73.66	75.52	73.25	73.27
4915	NASDAQ	MKSI	Wed, Oct 10, 2018	74.88	75.69	73.11	73.35
4914	NASDAQ	MKSI	Tue, Oct 9, 2018	76.35	76.69	75.24	75.73
4913	NASDAQ	MKSI	Mon, Oct 8, 2018	76.77	77.79	75.91	76.48
4912	NASDAQ	MKSI	Fri, Oct 5, 2018	79.74	80.28	76.97	77.20
4911	NASDAQ	MKSI	Thu, Oct 4, 2018	80.84	80.85	79.35	79.88
4910	NASDAQ	MKSI	Wed, Oct 3, 2018	81.24	82.23	80.24	81.38
4909	NASDAQ	MKSI	Tue, Oct 2, 2018	80.46	81.94	80.26	80.49
4908	NASDAQ	MKSI	Mon, Oct 1, 2018	80.55	80.84	79.72	80.41
4907	NASDAQ	MKSI	Fri, Sep 28, 2018	80.25	80.95	78.90	80.15
4906	NASDAQ	MKSI	Thu, Sep 27, 2018	79.40	80.60	78.80	80.45
4905	NASDAQ	MKSI	Wed, Sep 26, 2018	80.40	80.90	78.85	78.95
4904	NASDAQ	MKSI	Tue, Sep 25, 2018	83.75	83.75	80.30	80.70
4903	NASDAQ	MKSI	Mon, Sep 24, 2018	83.65	83.90	82.10	83.75
4902	NASDAQ	MKSI	Fri, Sep 21, 2018	82.70	84.30	82.48	83.65
4901	NASDAQ	MKSI	Thu, Sep 20, 2018	83.30	84.35	82.55	83.65
4900	NASDAQ	MKSI	Wed, Sep 19, 2018	83.50	83.75	81.60	82.35
4899	NASDAQ	MKSI	Tue, Sep 18, 2018	82.90	83.65	82.35	83.15
4898	NASDAQ	MKSI	Mon, Sep 17, 2018	83.20	83.85	81.80	82.50
4897	NASDAQ	MKSI	Fri, Sep 14, 2018	82.70	83.60	82.10	83.30
4896	NASDAQ	MKSI	Thu, Sep 13, 2018	81.80	82.85	81.00	82.40
4895	NASDAQ	MKSI	Wed, Sep 12, 2018	82.85	82.85	80.45	81.00
4894	NASDAQ	MKSI	Tue, Sep 11, 2018	84.40	85.15	83.28	83.55
4893	NASDAQ	MKSI	Mon, Sep 10, 2018	85.95	86.30	84.65	85.10
4892	NASDAQ	MKSI	Fri, Sep 7, 2018	84.50	86.15	84.00	85.10
4891	NASDAQ	MKSI	Thu, Sep 6, 2018	92.15	92.40	85.00	85.00
4890	NASDAQ	MKSI	Wed, Sep 5, 2018	92.70	92.80	91.20	92.60
4889	NASDAQ	MKSI	Tue, Sep 4, 2018	92.50	93.05	91.15	92.80
4888	NASDAQ	MKSI	Fri, Aug 31, 2018	92.60	93.20	91.70	92.90
4887	NASDAQ	MKSI	Thu, Aug 30, 2018	92.80	93.15	92.25	92.45
4886	NASDAQ	MKSI	Wed, Aug 29, 2018	93.75	93.75	92.30	92.80
4885	NASDAQ	MKSI	Tue, Aug 28, 2018	93.20	93.80	92.25	93.65
4884	NASDAQ	MKSI	Mon, Aug 27, 2018	92.45	95.45	92.45	93.65
4883	NASDAQ	MKSI	Fri, Aug 24, 2018	90.15	91.95	89.90	91.95
4882	NASDAQ	MKSI	Thu, Aug 23, 2018	91.10	92.10	89.90	90.05
4881	NASDAQ	MKSI	Wed, Aug 22, 2018	90.75	92.05	90.75	91.30
4880	NASDAQ	MKSI	Tue, Aug 21, 2018	89.75	91.80	89.65	90.75
4879	NASDAQ	MKSI	Mon, Aug 20, 2018	88.85	90.50	88.60	89.35
4878	NASDAQ	MKSI	Fri, Aug 17, 2018	89.35	90.45	87.10	88.90
4877	NASDAQ	MKSI	Thu, Aug 16, 2018	90.10	91.20	89.85	90.20
4876	NASDAQ	MKSI	Wed, Aug 15, 2018	91.05	91.45	88.95	89.90
4875	NASDAQ	MKSI	Tue, Aug 14, 2018	92.10	92.90	91.10	91.65
4874	NASDAQ	MKSI	Mon, Aug 13, 2018	91.45	92.25	90.60	91.40
4873	NASDAQ	MKSI	Fri, Aug 10, 2018	91.40	91.90	89.60	91.25
4872	NASDAQ	MKSI	Thu, Aug 9, 2018	94.45	94.45	92.50	92.60
4871	NASDAQ	MKSI	Wed, Aug 8, 2018	93.85	95.50	93.35	94.90
4870	NASDAQ	MKSI	Tue, Aug 7, 2018	95.15	95.40	93.78	94.05
4869	NASDAQ	MKSI	Mon, Aug 6, 2018	94.70	95.65	94.30	95.20
4868	NASDAQ	MKSI	Fri, Aug 3, 2018	94.65	94.70	93.25	94.45
4867	NASDAQ	MKSI	Thu, Aug 2, 2018	92.95	95.45	92.76	94.50
4866	NASDAQ	MKSI	Wed, Aug 1, 2018	94.60	95.65	93.45	93.75
4865	NASDAQ	MKSI	Tue, Jul 31, 2018	93.90	96.20	93.00	94.30
4864	NASDAQ	MKSI	Mon, Jul 30, 2018	96.65	97.30	92.35	93.30
4863	NASDAQ	MKSI	Fri, Jul 27, 2018	94.25	98.55	94.00	96.80
4862	NASDAQ	MKSI	Thu, Jul 26, 2018	90.00	93.30	89.50	92.70
4861	NASDAQ	MKSI	Wed, Jul 25, 2018	94.15	95.60	88.25	90.05
4860	NASDAQ	MKSI	Tue, Jul 24, 2018	101.10	103.20	97.25	97.95
4859	NASDAQ	MKSI	Mon, Jul 23, 2018	101.05	101.15	98.40	100.45
4858	NASDAQ	MKSI	Fri, Jul 20, 2018	101.70	102.00	100.35	101.40
4857	NASDAQ	MKSI	Thu, Jul 19, 2018	102.60	103.20	101.50	101.70
4856	NASDAQ	MKSI	Wed, Jul 18, 2018	102.35	103.03	100.55	102.80
4855	NASDAQ	MKSI	Tue, Jul 17, 2018	97.55	101.05	97.55	100.90
4854	NASDAQ	MKSI	Mon, Jul 16, 2018	97.10	99.15	96.40	98.10
4853	NASDAQ	MKSI	Fri, Jul 13, 2018	97.85	98.40	96.98	97.15
4852	NASDAQ	MKSI	Thu, Jul 12, 2018	97.00	98.80	97.00	97.95
4851	NASDAQ	MKSI	Wed, Jul 11, 2018	97.55	98.35	95.53	96.00
4850	NASDAQ	MKSI	Tue, Jul 10, 2018	99.00	100.45	98.60	98.65
4849	NASDAQ	MKSI	Mon, Jul 9, 2018	98.50	98.55	96.15	98.50
4848	NASDAQ	MKSI	Fri, Jul 6, 2018	96.20	98.00	94.95	97.30
4847	NASDAQ	MKSI	Thu, Jul 5, 2018	95.70	96.20	94.60	96.10
4846	NASDAQ	MKSI	Tue, Jul 3, 2018	96.55	96.95	94.65	94.85
4845	NASDAQ	MKSI	Mon, Jul 2, 2018	94.55	96.68	93.80	96.50
4844	NASDAQ	MKSI	Fri, Jun 29, 2018	94.55	96.95	93.80	95.70
4843	NASDAQ	MKSI	Thu, Jun 28, 2018	92.75	94.25	91.90	93.75
4842	NASDAQ	MKSI	Wed, Jun 27, 2018	97.40	97.50	92.85	93.10
4841	NASDAQ	MKSI	Tue, Jun 26, 2018	95.75	97.80	95.00	96.80
4840	NASDAQ	MKSI	Mon, Jun 25, 2018	98.90	98.90	94.90	95.60
4839	NASDAQ	MKSI	Fri, Jun 22, 2018	101.35	101.40	99.00	99.10
4838	NASDAQ	MKSI	Thu, Jun 21, 2018	104.60	104.90	100.80	101.10
4837	NASDAQ	MKSI	Wed, Jun 20, 2018	104.35	105.60	103.05	104.25
4836	NASDAQ	MKSI	Tue, Jun 19, 2018	101.90	104.18	100.05	103.95
4835	NASDAQ	MKSI	Mon, Jun 18, 2018	102.80	103.15	101.30	102.90
4834	NASDAQ	MKSI	Fri, Jun 15, 2018	106.05	106.43	102.80	103.40
4833	NASDAQ	MKSI	Thu, Jun 14, 2018	103.45	105.60	103.30	105.60
4832	NASDAQ	MKSI	Wed, Jun 13, 2018	103.00	104.60	102.28	102.95
4831	NASDAQ	MKSI	Tue, Jun 12, 2018	100.85	102.55	100.20	102.45
4830	NASDAQ	MKSI	Mon, Jun 11, 2018	103.05	103.60	99.60	99.95
4829	NASDAQ	MKSI	Fri, Jun 8, 2018	108.95	109.10	101.15	103.15
4828	NASDAQ	MKSI	Thu, Jun 7, 2018	117.00	117.00	109.60	110.05
4827	NASDAQ	MKSI	Wed, Jun 6, 2018	117.75	118.75	116.65	118.75
4826	NASDAQ	MKSI	Tue, Jun 5, 2018	115.95	118.10	115.75	117.55
4825	NASDAQ	MKSI	Mon, Jun 4, 2018	115.00	115.95	114.00	115.30
4824	NASDAQ	MKSI	Fri, Jun 1, 2018	113.40	115.10	112.35	114.90
4823	NASDAQ	MKSI	Thu, May 31, 2018	115.50	116.70	112.10	112.20
4822	NASDAQ	MKSI	Wed, May 30, 2018	114.70	116.35	113.85	114.80
4821	NASDAQ	MKSI	Tue, May 29, 2018	112.40	114.85	112.35	113.70
4820	NASDAQ	MKSI	Fri, May 25, 2018	113.25	114.15	112.00	112.60
4819	NASDAQ	MKSI	Thu, May 24, 2018	113.05	113.97	112.05	113.50
4818	NASDAQ	MKSI	Wed, May 23, 2018	111.05	113.40	110.45	113.15
4817	NASDAQ	MKSI	Tue, May 22, 2018	112.05	113.45	111.35	111.70
4816	NASDAQ	MKSI	Mon, May 21, 2018	112.10	114.00	110.05	111.30
4815	NASDAQ	MKSI	Fri, May 18, 2018	115.00	115.05	109.50	110.60
4814	NASDAQ	MKSI	Thu, May 17, 2018	116.60	118.35	115.30	116.55
4813	NASDAQ	MKSI	Wed, May 16, 2018	114.65	118.20	114.65	116.65
4812	NASDAQ	MKSI	Tue, May 15, 2018	115.05	115.80	110.10	114.45
4811	NASDAQ	MKSI	Mon, May 14, 2018	115.00	118.35	114.90	115.05
4810	NASDAQ	MKSI	Fri, May 11, 2018	115.55	115.55	112.90	113.80
4809	NASDAQ	MKSI	Thu, May 10, 2018	114.00	116.10	113.25	115.45
4808	NASDAQ	MKSI	Wed, May 9, 2018	110.75	113.60	110.45	113.40
4807	NASDAQ	MKSI	Tue, May 8, 2018	110.25	111.25	109.40	110.80
4806	NASDAQ	MKSI	Mon, May 7, 2018	109.40	110.45	109.05	109.20
4805	NASDAQ	MKSI	Fri, May 4, 2018	106.35	110.25	105.30	109.05
4804	NASDAQ	MKSI	Thu, May 3, 2018	105.95	107.45	103.80	106.80
4803	NASDAQ	MKSI	Wed, May 2, 2018	105.50	108.10	105.15	107.10
4802	NASDAQ	MKSI	Tue, May 1, 2018	102.40	105.80	101.10	105.50
4801	NASDAQ	MKSI	Mon, Apr 30, 2018	104.50	105.70	102.25	102.40
4800	NASDAQ	MKSI	Fri, Apr 27, 2018	107.90	108.65	103.25	104.20
4799	NASDAQ	MKSI	Thu, Apr 26, 2018	105.15	107.75	103.95	107.15
4798	NASDAQ	MKSI	Wed, Apr 25, 2018	106.00	106.40	99.11	103.55
4797	NASDAQ	MKSI	Tue, Apr 24, 2018	107.25	108.25	102.55	102.95
4796	NASDAQ	MKSI	Mon, Apr 23, 2018	106.15	108.35	105.30	106.00
4795	NASDAQ	MKSI	Fri, Apr 20, 2018	105.20	107.58	104.65	105.75
4794	NASDAQ	MKSI	Thu, Apr 19, 2018	115.80	116.85	105.20	105.65
4793	NASDAQ	MKSI	Wed, Apr 18, 2018	121.65	121.85	115.63	116.60
4792	NASDAQ	MKSI	Tue, Apr 17, 2018	119.25	122.77	119.00	122.25
4791	NASDAQ	MKSI	Mon, Apr 16, 2018	118.00	118.85	116.43	118.05
4790	NASDAQ	MKSI	Fri, Apr 13, 2018	118.75	118.75	116.30	117.00
4789	NASDAQ	MKSI	Thu, Apr 12, 2018	117.25	118.10	116.50	117.50
4788	NASDAQ	MKSI	Wed, Apr 11, 2018	115.45	117.80	115.20	116.00
4787	NASDAQ	MKSI	Tue, Apr 10, 2018	114.05	117.80	113.00	116.35
4786	NASDAQ	MKSI	Mon, Apr 9, 2018	111.90	115.65	111.30	111.65
4785	NASDAQ	MKSI	Fri, Apr 6, 2018	111.80	113.35	109.65	110.40
4784	NASDAQ	MKSI	Thu, Apr 5, 2018	113.00	114.70	111.95	113.50
4783	NASDAQ	MKSI	Wed, Apr 4, 2018	108.65	112.65	107.50	112.30
4782	NASDAQ	MKSI	Tue, Apr 3, 2018	111.95	112.70	109.55	112.45
4781	NASDAQ	MKSI	Mon, Apr 2, 2018	115.10	116.00	109.55	110.70
4780	NASDAQ	MKSI	Thu, Mar 29, 2018	112.45	117.80	111.00	115.65
4779	NASDAQ	MKSI	Wed, Mar 28, 2018	114.75	114.75	109.70	111.35
4778	NASDAQ	MKSI	Tue, Mar 27, 2018	122.60	122.60	113.70	114.85
4777	NASDAQ	MKSI	Mon, Mar 26, 2018	118.25	122.00	117.05	121.80
4776	NASDAQ	MKSI	Fri, Mar 23, 2018	121.80	121.80	115.75	115.85
4775	NASDAQ	MKSI	Thu, Mar 22, 2018	124.35	125.75	122.10	122.25
4774	NASDAQ	MKSI	Wed, Mar 21, 2018	123.90	127.18	123.15	125.45
4773	NASDAQ	MKSI	Tue, Mar 20, 2018	123.65	124.75	122.85	123.90
4772	NASDAQ	MKSI	Mon, Mar 19, 2018	122.50	123.70	119.30	123.25
4771	NASDAQ	MKSI	Fri, Mar 16, 2018	123.20	124.60	122.50	123.55
4770	NASDAQ	MKSI	Thu, Mar 15, 2018	124.05	124.15	122.11	123.25
4769	NASDAQ	MKSI	Wed, Mar 14, 2018	123.95	124.75	122.15	123.25
4768	NASDAQ	MKSI	Tue, Mar 13, 2018	126.25	126.75	122.75	123.30
4767	NASDAQ	MKSI	Mon, Mar 12, 2018	125.55	128.28	123.31	125.15
4766	NASDAQ	MKSI	Fri, Mar 9, 2018	122.25	124.90	121.90	124.85
4765	NASDAQ	MKSI	Thu, Mar 8, 2018	120.10	121.45	119.20	121.05
4764	NASDAQ	MKSI	Wed, Mar 7, 2018	117.15	120.55	116.91	119.40
4763	NASDAQ	MKSI	Tue, Mar 6, 2018	115.20	119.00	115.20	118.90
4762	NASDAQ	MKSI	Mon, Mar 5, 2018	113.60	115.31	111.80	114.50
4761	NASDAQ	MKSI	Fri, Mar 2, 2018	111.50	114.70	109.80	114.40
4760	NASDAQ	MKSI	Thu, Mar 1, 2018	111.10	113.75	109.40	112.55
4759	NASDAQ	MKSI	Wed, Feb 28, 2018	112.75	114.15	111.30	111.35
4758	NASDAQ	MKSI	Tue, Feb 27, 2018	114.05	115.20	112.15	112.25
4757	NASDAQ	MKSI	Mon, Feb 26, 2018	112.95	114.70	111.65	113.75
4756	NASDAQ	MKSI	Fri, Feb 23, 2018	112.75	112.80	110.70	112.75
4755	NASDAQ	MKSI	Thu, Feb 22, 2018	113.20	114.20	110.25	111.60
4754	NASDAQ	MKSI	Wed, Feb 21, 2018	115.60	115.70	112.10	112.20
4753	NASDAQ	MKSI	Tue, Feb 20, 2018	109.60	116.55	108.75	114.75
4752	NASDAQ	MKSI	Fri, Feb 16, 2018	110.60	111.95	109.50	110.00
4751	NASDAQ	MKSI	Thu, Feb 15, 2018	108.85	111.70	106.65	111.10
4750	NASDAQ	MKSI	Wed, Feb 14, 2018	101.10	108.03	101.01	107.55
4749	NASDAQ	MKSI	Tue, Feb 13, 2018	103.05	104.80	99.70	101.80
4748	NASDAQ	MKSI	Mon, Feb 12, 2018	101.10	103.95	99.75	103.15
4747	NASDAQ	MKSI	Fri, Feb 9, 2018	98.40	100.90	94.30	99.90
4746	NASDAQ	MKSI	Thu, Feb 8, 2018	104.60	105.23	96.95	97.05
4745	NASDAQ	MKSI	Wed, Feb 7, 2018	107.00	107.00	102.56	103.50
4744	NASDAQ	MKSI	Tue, Feb 6, 2018	101.70	108.30	101.00	107.20
4743	NASDAQ	MKSI	Mon, Feb 5, 2018	105.10	108.60	103.70	103.70
4742	NASDAQ	MKSI	Fri, Feb 2, 2018	108.50	108.50	104.60	106.65
4741	NASDAQ	MKSI	Thu, Feb 1, 2018	104.55	109.40	104.00	109.10
4740	NASDAQ	MKSI	Wed, Jan 31, 2018	102.85	103.60	100.80	102.30
4739	NASDAQ	MKSI	Tue, Jan 30, 2018	100.60	102.65	98.80	101.80
4738	NASDAQ	MKSI	Mon, Jan 29, 2018	104.05	104.23	100.40	102.50
4737	NASDAQ	MKSI	Fri, Jan 26, 2018	102.55	104.35	101.40	104.20
4736	NASDAQ	MKSI	Thu, Jan 25, 2018	107.15	108.25	101.10	101.45
4735	NASDAQ	MKSI	Wed, Jan 24, 2018	107.00	107.40	103.50	105.30
4734	NASDAQ	MKSI	Tue, Jan 23, 2018	106.95	107.95	106.15	107.80
4733	NASDAQ	MKSI	Mon, Jan 22, 2018	106.90	107.00	105.10	106.75
4732	NASDAQ	MKSI	Fri, Jan 19, 2018	104.90	107.15	104.35	107.00
4731	NASDAQ	MKSI	Thu, Jan 18, 2018	103.40	105.35	101.95	104.60
4730	NASDAQ	MKSI	Wed, Jan 17, 2018	98.85	103.70	98.45	103.30
4729	NASDAQ	MKSI	Tue, Jan 16, 2018	98.00	98.50	96.45	97.65
4728	NASDAQ	MKSI	Fri, Jan 12, 2018	96.25	96.80	95.30	96.20
4727	NASDAQ	MKSI	Thu, Jan 11, 2018	96.10	96.50	95.25	96.00
4726	NASDAQ	MKSI	Wed, Jan 10, 2018	96.70	97.05	94.10	95.50
4725	NASDAQ	MKSI	Tue, Jan 9, 2018	101.40	101.90	97.15	97.90
4724	NASDAQ	MKSI	Mon, Jan 8, 2018	101.80	102.70	100.65	101.45
4723	NASDAQ	MKSI	Fri, Jan 5, 2018	100.15	101.83	99.65	101.55
4722	NASDAQ	MKSI	Thu, Jan 4, 2018	99.50	101.30	98.85	99.80
4721	NASDAQ	MKSI	Wed, Jan 3, 2018	98.55	99.35	97.12	99.00
4720	NASDAQ	MKSI	Tue, Jan 2, 2018	95.05	98.15	94.40	98.10
4719	NASDAQ	MKSI	Fri, Dec 29, 2017	95.70	96.15	94.40	94.50
4718	NASDAQ	MKSI	Thu, Dec 28, 2017	95.80	96.60	95.25	95.65
4717	NASDAQ	MKSI	Wed, Dec 27, 2017	95.55	96.20	94.75	95.50
4716	NASDAQ	MKSI	Tue, Dec 26, 2017	95.60	95.90	94.20	95.10
4715	NASDAQ	MKSI	Fri, Dec 22, 2017	96.75	97.70	95.00	96.45
4714	NASDAQ	MKSI	Thu, Dec 21, 2017	98.40	98.50	95.80	96.65
4713	NASDAQ	MKSI	Wed, Dec 20, 2017	98.90	99.25	97.30	98.35
4712	NASDAQ	MKSI	Tue, Dec 19, 2017	98.60	99.40	97.65	97.80
4711	NASDAQ	MKSI	Mon, Dec 18, 2017	97.80	99.50	97.40	98.95
4710	NASDAQ	MKSI	Fri, Dec 15, 2017	94.65	98.50	94.45	97.20
4709	NASDAQ	MKSI	Thu, Dec 14, 2017	93.85	95.95	93.60	94.20
4708	NASDAQ	MKSI	Wed, Dec 13, 2017	93.55	95.20	93.10	93.65
4707	NASDAQ	MKSI	Tue, Dec 12, 2017	93.10	93.60	92.00	93.15
4706	NASDAQ	MKSI	Mon, Dec 11, 2017	92.55	94.30	91.65	93.30
4705	NASDAQ	MKSI	Fri, Dec 8, 2017	96.95	97.95	94.00	94.20
4704	NASDAQ	MKSI	Thu, Dec 7, 2017	93.35	95.93	92.80	95.80
4703	NASDAQ	MKSI	Wed, Dec 6, 2017	90.20	93.15	88.75	92.80
4702	NASDAQ	MKSI	Tue, Dec 5, 2017	88.95	93.70	88.10	91.05
4701	NASDAQ	MKSI	Mon, Dec 4, 2017	94.60	94.80	88.26	89.50
4700	NASDAQ	MKSI	Fri, Dec 1, 2017	94.10	94.65	89.10	93.45
4699	NASDAQ	MKSI	Thu, Nov 30, 2017	96.15	97.00	93.35	94.30
4698	NASDAQ	MKSI	Wed, Nov 29, 2017	104.30	104.70	91.50	95.13
4697	NASDAQ	MKSI	Tue, Nov 28, 2017	103.70	104.45	103.30	104.25
4696	NASDAQ	MKSI	Mon, Nov 27, 2017	104.65	105.30	103.03	103.15
4695	NASDAQ	MKSI	Fri, Nov 24, 2017	105.10	106.05	105.10	105.55
4694	NASDAQ	MKSI	Wed, Nov 22, 2017	105.45	105.45	103.05	104.65
4693	NASDAQ	MKSI	Tue, Nov 21, 2017	106.30	107.95	105.15	105.15
4692	NASDAQ	MKSI	Mon, Nov 20, 2017	104.60	106.40	104.00	105.50
4691	NASDAQ	MKSI	Fri, Nov 17, 2017	104.95	105.10	102.35	103.50
4690	NASDAQ	MKSI	Thu, Nov 16, 2017	102.40	104.20	102.05	103.85
4689	NASDAQ	MKSI	Wed, Nov 15, 2017	102.40	103.15	100.85	101.80
4688	NASDAQ	MKSI	Tue, Nov 14, 2017	103.60	104.60	102.95	103.40
4687	NASDAQ	MKSI	Mon, Nov 13, 2017	103.60	104.45	103.25	104.15
4686	NASDAQ	MKSI	Fri, Nov 10, 2017	103.90	105.15	103.45	104.15
4685	NASDAQ	MKSI	Thu, Nov 9, 2017	106.40	107.45	101.10	104.20
4684	NASDAQ	MKSI	Wed, Nov 8, 2017	106.25	107.90	105.35	107.85
4683	NASDAQ	MKSI	Tue, Nov 7, 2017	107.40	108.15	105.75	106.55
4682	NASDAQ	MKSI	Mon, Nov 6, 2017	107.90	108.15	106.20	107.50
4681	NASDAQ	MKSI	Fri, Nov 3, 2017	107.55	108.55	106.05	107.60
4680	NASDAQ	MKSI	Thu, Nov 2, 2017	105.40	107.55	104.11	107.15
4679	NASDAQ	MKSI	Wed, Nov 1, 2017	109.55	109.55	102.81	105.60
4678	NASDAQ	MKSI	Tue, Oct 31, 2017	105.70	110.60	105.70	108.65
4677	NASDAQ	MKSI	Mon, Oct 30, 2017	106.85	107.00	103.35	105.55
4676	NASDAQ	MKSI	Fri, Oct 27, 2017	106.60	107.05	103.90	106.85
4675	NASDAQ	MKSI	Thu, Oct 26, 2017	103.90	106.05	103.05	105.90
4674	NASDAQ	MKSI	Wed, Oct 25, 2017	106.55	106.70	100.30	103.40
4673	NASDAQ	MKSI	Tue, Oct 24, 2017	102.70	104.80	102.40	103.55
4672	NASDAQ	MKSI	Mon, Oct 23, 2017	102.00	102.40	100.60	101.90
4671	NASDAQ	MKSI	Fri, Oct 20, 2017	101.65	102.50	100.80	101.10
4670	NASDAQ	MKSI	Thu, Oct 19, 2017	99.50	100.55	97.65	100.25
4669	NASDAQ	MKSI	Wed, Oct 18, 2017	99.95	100.80	98.15	100.50
4668	NASDAQ	MKSI	Tue, Oct 17, 2017	99.05	99.80	98.20	99.55
4667	NASDAQ	MKSI	Mon, Oct 16, 2017	98.95	99.30	98.00	98.75
4666	NASDAQ	MKSI	Fri, Oct 13, 2017	98.05	98.75	96.80	98.40
4665	NASDAQ	MKSI	Thu, Oct 12, 2017	96.25	98.50	96.25	97.45
4664	NASDAQ	MKSI	Wed, Oct 11, 2017	95.85	96.75	95.45	96.40
4663	NASDAQ	MKSI	Tue, Oct 10, 2017	96.45	96.45	94.35	95.65
4662	NASDAQ	MKSI	Mon, Oct 9, 2017	96.00	96.25	95.25	95.70
4661	NASDAQ	MKSI	Fri, Oct 6, 2017	95.10	95.80	94.35	95.40
4660	NASDAQ	MKSI	Thu, Oct 5, 2017	96.30	96.30	94.20	95.15
4659	NASDAQ	MKSI	Wed, Oct 4, 2017	94.80	96.45	94.40	96.00
4658	NASDAQ	MKSI	Tue, Oct 3, 2017	94.75	95.50	93.15	94.40
4657	NASDAQ	MKSI	Mon, Oct 2, 2017	95.05	96.65	93.84	94.85
4656	NASDAQ	MKSI	Fri, Sep 29, 2017	94.25	95.25	93.80	94.45
4655	NASDAQ	MKSI	Thu, Sep 28, 2017	92.45	95.50	91.95	94.05
4654	NASDAQ	MKSI	Wed, Sep 27, 2017	88.75	93.50	88.75	92.45
4653	NASDAQ	MKSI	Tue, Sep 26, 2017	89.50	90.00	87.60	87.85
4652	NASDAQ	MKSI	Mon, Sep 25, 2017	91.00	91.20	87.70	88.75
4651	NASDAQ	MKSI	Fri, Sep 22, 2017	90.40	92.15	90.00	91.35
4650	NASDAQ	MKSI	Thu, Sep 21, 2017	89.85	90.90	88.60	89.90
4649	NASDAQ	MKSI	Wed, Sep 20, 2017	91.50	91.70	88.90	89.85
4648	NASDAQ	MKSI	Tue, Sep 19, 2017	91.25	91.85	89.10	91.70
4647	NASDAQ	MKSI	Mon, Sep 18, 2017	87.45	91.15	87.35	90.85
4646	NASDAQ	MKSI	Fri, Sep 15, 2017	86.85	87.15	86.00	86.60
4645	NASDAQ	MKSI	Thu, Sep 14, 2017	85.90	87.40	85.45	86.55
4644	NASDAQ	MKSI	Wed, Sep 13, 2017	85.95	86.20	84.88	86.00
4643	NASDAQ	MKSI	Tue, Sep 12, 2017	85.60	86.79	84.85	85.95
4642	NASDAQ	MKSI	Mon, Sep 11, 2017	83.45	85.55	83.45	85.15
4641	NASDAQ	MKSI	Fri, Sep 8, 2017	84.75	85.00	82.15	82.50
4640	NASDAQ	MKSI	Thu, Sep 7, 2017	83.30	85.05	82.86	84.90
4639	NASDAQ	MKSI	Wed, Sep 6, 2017	84.10	84.11	81.95	83.25
4638	NASDAQ	MKSI	Tue, Sep 5, 2017	83.20	84.05	81.35	83.55
4637	NASDAQ	MKSI	Fri, Sep 1, 2017	82.80	83.85	82.35	83.70
4636	NASDAQ	MKSI	Thu, Aug 31, 2017	82.85	83.00	81.80	82.35
4635	NASDAQ	MKSI	Wed, Aug 30, 2017	80.15	82.10	80.05	82.10
4634	NASDAQ	MKSI	Tue, Aug 29, 2017	79.05	80.50	78.80	80.15
4633	NASDAQ	MKSI	Mon, Aug 28, 2017	79.70	80.30	79.65	79.95
4632	NASDAQ	MKSI	Fri, Aug 25, 2017	80.30	80.70	78.65	79.30
4631	NASDAQ	MKSI	Thu, Aug 24, 2017	79.95	80.20	78.75	80.00
4630	NASDAQ	MKSI	Wed, Aug 23, 2017	79.65	80.00	79.05	79.50
4629	NASDAQ	MKSI	Tue, Aug 22, 2017	77.75	80.65	77.75	80.40
4628	NASDAQ	MKSI	Mon, Aug 21, 2017	79.50	79.53	77.41	78.35
4627	NASDAQ	MKSI	Fri, Aug 18, 2017	79.55	80.60	78.97	79.35
4626	NASDAQ	MKSI	Thu, Aug 17, 2017	82.80	82.95	79.55	79.65
4625	NASDAQ	MKSI	Wed, Aug 16, 2017	82.05	83.65	81.55	83.00
4624	NASDAQ	MKSI	Tue, Aug 15, 2017	82.05	82.75	81.30	81.45
4623	NASDAQ	MKSI	Mon, Aug 14, 2017	80.80	82.20	80.30	81.85
4622	NASDAQ	MKSI	Fri, Aug 11, 2017	77.55	79.50	77.45	79.45
4621	NASDAQ	MKSI	Thu, Aug 10, 2017	79.35	79.80	77.05	77.20
4620	NASDAQ	MKSI	Wed, Aug 9, 2017	79.15	80.30	77.80	79.95
4619	NASDAQ	MKSI	Tue, Aug 8, 2017	79.30	81.00	79.28	79.90
4618	NASDAQ	MKSI	Mon, Aug 7, 2017	77.40	79.95	77.05	79.55
4617	NASDAQ	MKSI	Fri, Aug 4, 2017	76.80	78.55	75.90	77.25
4616	NASDAQ	MKSI	Thu, Aug 3, 2017	78.60	79.00	76.30	76.85
4615	NASDAQ	MKSI	Wed, Aug 2, 2017	83.40	83.90	78.35	78.65
4614	NASDAQ	MKSI	Tue, Aug 1, 2017	84.45	84.90	81.80	82.95
4613	NASDAQ	MKSI	Mon, Jul 31, 2017	83.50	84.65	83.50	83.65
4612	NASDAQ	MKSI	Fri, Jul 28, 2017	84.10	85.13	82.76	83.35
4611	NASDAQ	MKSI	Thu, Jul 27, 2017	84.15	86.60	82.65	84.60
4610	NASDAQ	MKSI	Wed, Jul 26, 2017	80.60	84.95	79.45	83.15
4609	NASDAQ	MKSI	Tue, Jul 25, 2017	80.60	81.05	79.10	80.90
4608	NASDAQ	MKSI	Mon, Jul 24, 2017	79.85	80.50	79.55	80.30
4607	NASDAQ	MKSI	Fri, Jul 21, 2017	80.20	80.20	79.10	79.45
4606	NASDAQ	MKSI	Thu, Jul 20, 2017	80.10	80.43	78.70	80.35
4605	NASDAQ	MKSI	Wed, Jul 19, 2017	79.65	80.20	79.00	80.10
4604	NASDAQ	MKSI	Tue, Jul 18, 2017	79.25	79.35	78.21	79.00
4603	NASDAQ	MKSI	Mon, Jul 17, 2017	79.00	79.60	78.25	79.20
4602	NASDAQ	MKSI	Fri, Jul 14, 2017	79.00	79.50	78.25	79.20
4601	NASDAQ	MKSI	Thu, Jul 13, 2017	78.35	78.90	77.50	78.75
4600	NASDAQ	MKSI	Wed, Jul 12, 2017	77.10	78.65	76.65	78.35
4599	NASDAQ	MKSI	Tue, Jul 11, 2017	72.75	76.03	72.50	75.95
4598	NASDAQ	MKSI	Mon, Jul 10, 2017	70.20	73.15	70.00	73.10
4597	NASDAQ	MKSI	Fri, Jul 7, 2017	68.70	70.30	68.70	69.65
4596	NASDAQ	MKSI	Thu, Jul 6, 2017	67.50	69.60	67.50	68.15
4595	NASDAQ	MKSI	Wed, Jul 5, 2017	67.45	68.50	66.80	68.15
4594	NASDAQ	MKSI	Mon, Jul 3, 2017	68.30	68.75	67.25	67.30
4593	NASDAQ	MKSI	Fri, Jun 30, 2017	67.60	68.40	67.25	67.30
4592	NASDAQ	MKSI	Thu, Jun 29, 2017	70.55	70.55	65.90	67.60
4591	NASDAQ	MKSI	Wed, Jun 28, 2017	70.30	71.00	69.10	70.90
4590	NASDAQ	MKSI	Tue, Jun 27, 2017	72.30	72.30	69.65	69.75
4589	NASDAQ	MKSI	Mon, Jun 26, 2017	74.35	74.55	71.80	72.75
4588	NASDAQ	MKSI	Fri, Jun 23, 2017	72.40	73.67	72.30	73.45
4587	NASDAQ	MKSI	Thu, Jun 22, 2017	73.15	73.50	71.85	72.25
4586	NASDAQ	MKSI	Wed, Jun 21, 2017	72.95	73.80	72.60	73.15
4585	NASDAQ	MKSI	Tue, Jun 20, 2017	74.10	75.25	72.50	72.75
4584	NASDAQ	MKSI	Mon, Jun 19, 2017	73.80	74.85	73.20	74.15
4583	NASDAQ	MKSI	Fri, Jun 16, 2017	72.90	74.43	71.80	73.10
4582	NASDAQ	MKSI	Thu, Jun 15, 2017	74.50	74.85	72.80	73.15
4581	NASDAQ	MKSI	Wed, Jun 14, 2017	77.95	78.25	74.75	76.15
4580	NASDAQ	MKSI	Tue, Jun 13, 2017	77.75	79.20	76.65	77.90
4579	NASDAQ	MKSI	Mon, Jun 12, 2017	80.58	80.70	74.70	76.60
4578	NASDAQ	MKSI	Fri, Jun 9, 2017	87.85	88.40	80.61	81.70
4577	NASDAQ	MKSI	Thu, Jun 8, 2017	85.90	87.63	85.40	87.45
4576	NASDAQ	MKSI	Wed, Jun 7, 2017	85.10	86.04	84.83	85.50
4575	NASDAQ	MKSI	Tue, Jun 6, 2017	83.80	85.60	83.40	84.70
4574	NASDAQ	MKSI	Mon, Jun 5, 2017	83.75	84.75	83.50	84.30
4573	NASDAQ	MKSI	Fri, Jun 2, 2017	82.50	85.00	82.40	83.95
4572	NASDAQ	MKSI	Thu, Jun 1, 2017	81.90	82.45	81.20	82.35
4571	NASDAQ	MKSI	Wed, May 31, 2017	81.75	82.65	81.18	81.75
4570	NASDAQ	MKSI	Tue, May 30, 2017	80.25	81.30	79.30	81.20
4569	NASDAQ	MKSI	Fri, May 26, 2017	79.55	80.50	79.10	80.40
4568	NASDAQ	MKSI	Thu, May 25, 2017	80.25	80.45	79.30	79.85
4567	NASDAQ	MKSI	Wed, May 24, 2017	80.35	80.50	79.25	79.90
4566	NASDAQ	MKSI	Tue, May 23, 2017	80.15	80.46	78.75	80.10
4565	NASDAQ	MKSI	Mon, May 22, 2017	79.10	80.15	78.73	80.10
4564	NASDAQ	MKSI	Fri, May 19, 2017	79.85	80.70	78.70	78.85
4563	NASDAQ	MKSI	Thu, May 18, 2017	78.00	79.60	76.70	79.30
4562	NASDAQ	MKSI	Wed, May 17, 2017	80.80	81.15	78.15	78.15
4561	NASDAQ	MKSI	Tue, May 16, 2017	81.65	82.25	80.55	82.15
4560	NASDAQ	MKSI	Mon, May 15, 2017	80.70	82.15	80.70	81.45
4559	NASDAQ	MKSI	Fri, May 12, 2017	80.40	80.75	79.50	80.30
4558	NASDAQ	MKSI	Thu, May 11, 2017	80.45	80.80	79.75	80.50
4557	NASDAQ	MKSI	Wed, May 10, 2017	80.00	80.60	79.50	80.45
4556	NASDAQ	MKSI	Tue, May 9, 2017	79.55	80.30	79.10	79.70
4555	NASDAQ	MKSI	Mon, May 8, 2017	81.35	81.35	78.95	79.55
4554	NASDAQ	MKSI	Fri, May 5, 2017	80.80	81.00	78.90	79.85
4553	NASDAQ	MKSI	Thu, May 4, 2017	80.60	81.50	79.98	80.50
4552	NASDAQ	MKSI	Wed, May 3, 2017	80.00	80.45	79.05	80.30
4551	NASDAQ	MKSI	Tue, May 2, 2017	79.95	80.15	78.35	80.00
4550	NASDAQ	MKSI	Mon, May 1, 2017	78.90	80.05	77.85	80.00
4549	NASDAQ	MKSI	Fri, Apr 28, 2017	79.50	79.85	78.20	78.25
4548	NASDAQ	MKSI	Thu, Apr 27, 2017	80.50	81.00	77.80	79.40
4547	NASDAQ	MKSI	Wed, Apr 26, 2017	74.65	75.45	73.25	75.35
4546	NASDAQ	MKSI	Tue, Apr 25, 2017	73.70	74.65	72.85	74.40
4545	NASDAQ	MKSI	Mon, Apr 24, 2017	72.55	73.50	72.40	73.15
4544	NASDAQ	MKSI	Fri, Apr 21, 2017	70.20	71.15	69.90	71.00
4543	NASDAQ	MKSI	Thu, Apr 20, 2017	69.15	70.60	68.90	70.50
4542	NASDAQ	MKSI	Wed, Apr 19, 2017	67.10	68.75	66.83	68.60
4541	NASDAQ	MKSI	Tue, Apr 18, 2017	65.85	66.45	65.05	66.35
4540	NASDAQ	MKSI	Mon, Apr 17, 2017	65.15	66.20	65.05	66.20
4539	NASDAQ	MKSI	Thu, Apr 13, 2017	65.50	66.70	64.75	64.85
4538	NASDAQ	MKSI	Wed, Apr 12, 2017	66.60	67.20	65.80	65.90
4537	NASDAQ	MKSI	Tue, Apr 11, 2017	67.50	67.75	66.05	66.95
4536	NASDAQ	MKSI	Mon, Apr 10, 2017	68.30	68.50	67.50	67.85
4535	NASDAQ	MKSI	Fri, Apr 7, 2017	67.30	68.35	67.20	68.30
4534	NASDAQ	MKSI	Thu, Apr 6, 2017	66.95	67.90	66.20	67.55
4533	NASDAQ	MKSI	Wed, Apr 5, 2017	68.25	68.55	66.90	66.95
4532	NASDAQ	MKSI	Tue, Apr 4, 2017	67.45	68.45	67.06	68.15
4531	NASDAQ	MKSI	Mon, Apr 3, 2017	68.75	69.25	67.23	67.95
4530	NASDAQ	MKSI	Fri, Mar 31, 2017	68.90	69.45	68.31	68.75
4529	NASDAQ	MKSI	Thu, Mar 30, 2017	68.30	69.10	68.30	68.85
4528	NASDAQ	MKSI	Wed, Mar 29, 2017	68.15	68.50	67.50	68.30
4527	NASDAQ	MKSI	Tue, Mar 28, 2017	68.20	68.75	67.70	68.30
4526	NASDAQ	MKSI	Mon, Mar 27, 2017	66.70	68.48	66.15	68.25
4525	NASDAQ	MKSI	Fri, Mar 24, 2017	68.45	68.85	67.20	67.75
4524	NASDAQ	MKSI	Thu, Mar 23, 2017	67.40	68.75	67.15	68.00
4523	NASDAQ	MKSI	Wed, Mar 22, 2017	66.15	67.43	65.85	67.40
4522	NASDAQ	MKSI	Tue, Mar 21, 2017	69.75	69.75	66.30	66.35
4521	NASDAQ	MKSI	Mon, Mar 20, 2017	69.75	70.40	68.90	69.40
4520	NASDAQ	MKSI	Fri, Mar 17, 2017	69.20	70.20	68.80	69.70
4519	NASDAQ	MKSI	Thu, Mar 16, 2017	68.90	69.55	68.75	69.10
4518	NASDAQ	MKSI	Wed, Mar 15, 2017	67.20	68.85	67.20	68.50
4517	NASDAQ	MKSI	Tue, Mar 14, 2017	66.95	67.35	66.21	67.05
4516	NASDAQ	MKSI	Mon, Mar 13, 2017	66.20	67.43	66.13	67.25
4515	NASDAQ	MKSI	Fri, Mar 10, 2017	65.85	66.50	65.60	66.20
4514	NASDAQ	MKSI	Thu, Mar 9, 2017	65.60	66.15	65.35	65.40
4513	NASDAQ	MKSI	Wed, Mar 8, 2017	65.50	66.48	65.30	65.65
4512	NASDAQ	MKSI	Tue, Mar 7, 2017	65.75	66.25	65.35	65.40
4511	NASDAQ	MKSI	Mon, Mar 6, 2017	64.85	66.05	64.45	65.95
4510	NASDAQ	MKSI	Fri, Mar 3, 2017	66.00	66.45	65.25	65.30
4509	NASDAQ	MKSI	Thu, Mar 2, 2017	67.20	67.70	66.25	66.25
4508	NASDAQ	MKSI	Wed, Mar 1, 2017	66.55	67.30	66.10	67.10
4507	NASDAQ	MKSI	Tue, Feb 28, 2017	66.80	66.85	65.52	65.60
4506	NASDAQ	MKSI	Mon, Feb 27, 2017	66.70	67.25	66.40	66.85
4505	NASDAQ	MKSI	Fri, Feb 24, 2017	66.80	66.91	66.40	66.70
4504	NASDAQ	MKSI	Thu, Feb 23, 2017	68.45	68.45	66.95	67.30
4503	NASDAQ	MKSI	Wed, Feb 22, 2017	68.00	68.75	67.75	68.45
4502	NASDAQ	MKSI	Tue, Feb 21, 2017	67.65	68.85	67.51	68.20
4501	NASDAQ	MKSI	Fri, Feb 17, 2017	67.30	67.95	66.80	67.40
4500	NASDAQ	MKSI	Thu, Feb 16, 2017	67.55	67.80	66.75	67.35
4499	NASDAQ	MKSI	Wed, Feb 15, 2017	66.75	68.00	66.35	67.70
4498	NASDAQ	MKSI	Tue, Feb 14, 2017	66.90	67.40	66.20	66.75
4497	NASDAQ	MKSI	Mon, Feb 13, 2017	67.45	67.90	66.70	67.20
4496	NASDAQ	MKSI	Fri, Feb 10, 2017	66.85	67.30	66.20	66.95
4495	NASDAQ	MKSI	Thu, Feb 9, 2017	66.70	67.10	66.35	66.55
4494	NASDAQ	MKSI	Wed, Feb 8, 2017	67.60	67.80	66.20	66.45
4493	NASDAQ	MKSI	Tue, Feb 7, 2017	66.95	67.70	66.60	67.50
4492	NASDAQ	MKSI	Mon, Feb 6, 2017	67.20	67.67	66.30	66.85
4491	NASDAQ	MKSI	Fri, Feb 3, 2017	67.65	68.30	67.13	67.20
4490	NASDAQ	MKSI	Thu, Feb 2, 2017	66.50	67.60	62.85	66.90
4489	NASDAQ	MKSI	Wed, Feb 1, 2017	66.60	67.25	65.80	66.85
4488	NASDAQ	MKSI	Tue, Jan 31, 2017	66.50	66.60	65.30	65.90
4487	NASDAQ	MKSI	Mon, Jan 30, 2017	66.25	66.80	65.05	66.50
4486	NASDAQ	MKSI	Fri, Jan 27, 2017	66.55	66.85	66.20	66.50
4485	NASDAQ	MKSI	Thu, Jan 26, 2017	66.90	66.95	66.00	66.10
4484	NASDAQ	MKSI	Wed, Jan 25, 2017	66.45	66.97	65.70	66.70
4483	NASDAQ	MKSI	Tue, Jan 24, 2017	63.45	65.88	63.13	65.60
4482	NASDAQ	MKSI	Mon, Jan 23, 2017	61.45	62.50	61.45	62.30
4481	NASDAQ	MKSI	Fri, Jan 20, 2017	61.50	62.65	61.45	61.65
4480	NASDAQ	MKSI	Thu, Jan 19, 2017	61.90	62.10	61.30	61.35
4479	NASDAQ	MKSI	Wed, Jan 18, 2017	61.40	62.65	61.18	61.95
4478	NASDAQ	MKSI	Tue, Jan 17, 2017	62.40	62.40	60.40	60.85
4477	NASDAQ	MKSI	Fri, Jan 13, 2017	62.60	63.20	62.35	62.45
4476	NASDAQ	MKSI	Thu, Jan 12, 2017	62.20	62.35	61.10	62.25
4475	NASDAQ	MKSI	Wed, Jan 11, 2017	62.05	62.55	61.50	62.55
4474	NASDAQ	MKSI	Tue, Jan 10, 2017	60.85	62.05	60.50	62.00
4473	NASDAQ	MKSI	Mon, Jan 9, 2017	60.00	61.05	59.80	60.70
4472	NASDAQ	MKSI	Fri, Jan 6, 2017	60.10	60.90	59.75	60.05
4471	NASDAQ	MKSI	Thu, Jan 5, 2017	60.40	60.80	59.68	59.95
4470	NASDAQ	MKSI	Wed, Jan 4, 2017	59.95	60.95	59.95	60.50
4469	NASDAQ	MKSI	Tue, Jan 3, 2017	60.00	60.50	58.95	59.85
4468	NASDAQ	MKSI	Fri, Dec 30, 2016	59.90	59.95	58.80	59.40
4467	NASDAQ	MKSI	Thu, Dec 29, 2016	59.75	60.10	59.00	59.70
4466	NASDAQ	MKSI	Wed, Dec 28, 2016	61.05	61.08	59.40	59.55
4465	NASDAQ	MKSI	Tue, Dec 27, 2016	60.20	61.30	60.20	60.75
4464	NASDAQ	MKSI	Fri, Dec 23, 2016	59.65	60.15	59.50	59.95
4463	NASDAQ	MKSI	Thu, Dec 22, 2016	60.10	60.10	59.15	59.75
4462	NASDAQ	MKSI	Wed, Dec 21, 2016	60.15	60.90	59.80	59.85
4461	NASDAQ	MKSI	Tue, Dec 20, 2016	60.15	60.70	59.60	60.00
4460	NASDAQ	MKSI	Mon, Dec 19, 2016	58.60	60.75	58.50	60.10
4459	NASDAQ	MKSI	Fri, Dec 16, 2016	60.35	60.75	58.50	58.65
4458	NASDAQ	MKSI	Thu, Dec 15, 2016	59.40	60.75	59.05	60.20
4457	NASDAQ	MKSI	Wed, Dec 14, 2016	59.00	59.45	58.65	59.15
4456	NASDAQ	MKSI	Tue, Dec 13, 2016	59.00	59.50	58.70	59.20
4455	NASDAQ	MKSI	Mon, Dec 12, 2016	59.10	59.70	58.70	58.85
4454	NASDAQ	MKSI	Fri, Dec 9, 2016	59.90	60.00	58.50	59.15
4453	NASDAQ	MKSI	Thu, Dec 8, 2016	58.90	60.00	58.65	59.70
4452	NASDAQ	MKSI	Wed, Dec 7, 2016	57.35	58.85	57.35	58.80
4451	NASDAQ	MKSI	Tue, Dec 6, 2016	56.70	57.60	56.10	57.25
4450	NASDAQ	MKSI	Mon, Dec 5, 2016	55.95	57.10	55.80	56.75
4449	NASDAQ	MKSI	Fri, Dec 2, 2016	54.05	55.95	53.51	55.70
4448	NASDAQ	MKSI	Thu, Dec 1, 2016	57.40	57.50	53.95	54.55
4447	NASDAQ	MKSI	Wed, Nov 30, 2016	58.40	59.10	57.50	57.55
4446	NASDAQ	MKSI	Tue, Nov 29, 2016	58.05	58.85	57.85	58.25
4445	NASDAQ	MKSI	Mon, Nov 28, 2016	57.45	58.15	57.15	58.00
4444	NASDAQ	MKSI	Fri, Nov 25, 2016	57.55	58.10	57.55	57.85
4443	NASDAQ	MKSI	Wed, Nov 23, 2016	57.65	57.73	57.25	57.55
4442	NASDAQ	MKSI	Tue, Nov 22, 2016	57.35	57.75	56.70	57.43
4441	NASDAQ	MKSI	Mon, Nov 21, 2016	56.45	57.05	55.90	57.00
4440	NASDAQ	MKSI	Fri, Nov 18, 2016	56.70	57.00	56.10	56.50
4439	NASDAQ	MKSI	Thu, Nov 17, 2016	55.65	56.65	55.48	56.40
4438	NASDAQ	MKSI	Wed, Nov 16, 2016	55.95	56.20	55.00	55.60
4437	NASDAQ	MKSI	Tue, Nov 15, 2016	54.35	56.35	53.70	56.00
4436	NASDAQ	MKSI	Mon, Nov 14, 2016	52.35	54.20	52.35	53.95
4435	NASDAQ	MKSI	Fri, Nov 11, 2016	50.20	52.15	49.95	51.95
4434	NASDAQ	MKSI	Thu, Nov 10, 2016	51.10	52.00	49.75	50.05
4433	NASDAQ	MKSI	Wed, Nov 9, 2016	49.40	50.80	48.05	50.35
4432	NASDAQ	MKSI	Tue, Nov 8, 2016	50.70	50.70	49.75	50.10
4431	NASDAQ	MKSI	Mon, Nov 7, 2016	49.60	50.95	48.95	50.80
4430	NASDAQ	MKSI	Fri, Nov 4, 2016	49.00	49.35	48.55	48.60
4429	NASDAQ	MKSI	Thu, Nov 3, 2016	49.75	49.75	48.70	48.80
4428	NASDAQ	MKSI	Wed, Nov 2, 2016	49.80	50.10	49.35	49.45
4427	NASDAQ	MKSI	Tue, Nov 1, 2016	50.50	50.85	49.55	49.80
4426	NASDAQ	MKSI	Mon, Oct 31, 2016	49.80	50.65	49.40	50.45
4425	NASDAQ	MKSI	Fri, Oct 28, 2016	50.10	50.85	49.40	49.65
4424	NASDAQ	MKSI	Thu, Oct 27, 2016	50.00	52.15	49.50	49.90
4423	NASDAQ	MKSI	Wed, Oct 26, 2016	49.05	50.00	48.50	48.85
4422	NASDAQ	MKSI	Tue, Oct 25, 2016	49.50	49.58	48.68	49.25
4421	NASDAQ	MKSI	Mon, Oct 24, 2016	48.85	49.65	48.85	49.40
4420	NASDAQ	MKSI	Fri, Oct 21, 2016	48.00	48.60	46.51	48.45
4419	NASDAQ	MKSI	Thu, Oct 20, 2016	49.10	49.35	47.90	48.45
4418	NASDAQ	MKSI	Wed, Oct 19, 2016	48.85	49.50	48.50	49.40
4417	NASDAQ	MKSI	Tue, Oct 18, 2016	48.85	49.75	48.60	48.95
4416	NASDAQ	MKSI	Mon, Oct 17, 2016	48.70	49.10	48.40	48.40
4415	NASDAQ	MKSI	Fri, Oct 14, 2016	48.39	48.81	48.26	48.58
4414	NASDAQ	MKSI	Thu, Oct 13, 2016	48.20	48.37	47.32	48.09
4413	NASDAQ	MKSI	Wed, Oct 12, 2016	48.24	48.75	47.60	48.69
4412	NASDAQ	MKSI	Tue, Oct 11, 2016	49.26	49.26	47.72	47.96
4411	NASDAQ	MKSI	Mon, Oct 10, 2016	50.20	50.47	49.28	49.36
4410	NASDAQ	MKSI	Fri, Oct 7, 2016	50.15	50.20	49.36	49.77
4409	NASDAQ	MKSI	Thu, Oct 6, 2016	49.40	50.19	48.95	50.15
4408	NASDAQ	MKSI	Wed, Oct 5, 2016	48.74	49.47	48.30	49.43
4407	NASDAQ	MKSI	Tue, Oct 4, 2016	49.04	49.32	48.19	48.55
4406	NASDAQ	MKSI	Mon, Oct 3, 2016	49.36	49.74	48.69	48.76
4405	NASDAQ	MKSI	Fri, Sep 30, 2016	49.54	49.87	49.07	49.73
4404	NASDAQ	MKSI	Thu, Sep 29, 2016	49.98	49.98	48.95	49.28
4403	NASDAQ	MKSI	Wed, Sep 28, 2016	49.54	50.16	49.50	50.09
4402	NASDAQ	MKSI	Tue, Sep 27, 2016	48.96	49.61	48.96	49.50
4401	NASDAQ	MKSI	Mon, Sep 26, 2016	48.89	49.62	48.60	49.08
4400	NASDAQ	MKSI	Fri, Sep 23, 2016	49.79	49.84	49.03	49.07
4399	NASDAQ	MKSI	Thu, Sep 22, 2016	48.98	50.08	48.75	49.84
4398	NASDAQ	MKSI	Wed, Sep 21, 2016	48.04	48.70	47.59	48.69
4397	NASDAQ	MKSI	Tue, Sep 20, 2016	48.07	48.20	47.56	47.97
4396	NASDAQ	MKSI	Mon, Sep 19, 2016	47.97	48.28	47.20	47.72
4395	NASDAQ	MKSI	Fri, Sep 16, 2016	48.00	48.13	47.16	47.61
4394	NASDAQ	MKSI	Thu, Sep 15, 2016	46.99	47.86	46.81	47.86
4393	NASDAQ	MKSI	Wed, Sep 14, 2016	47.26	47.71	46.58	46.88
4392	NASDAQ	MKSI	Tue, Sep 13, 2016	46.88	47.48	46.84	47.23
4391	NASDAQ	MKSI	Mon, Sep 12, 2016	46.29	47.19	45.85	46.98
4390	NASDAQ	MKSI	Fri, Sep 9, 2016	48.09	48.14	46.43	46.44
4389	NASDAQ	MKSI	Thu, Sep 8, 2016	48.52	48.72	48.10	48.56
4388	NASDAQ	MKSI	Wed, Sep 7, 2016	48.74	48.87	48.20	48.81
4387	NASDAQ	MKSI	Tue, Sep 6, 2016	49.47	49.47	48.31	48.90
4386	NASDAQ	MKSI	Fri, Sep 2, 2016	49.50	49.91	48.90	49.60
4385	NASDAQ	MKSI	Thu, Sep 1, 2016	48.89	49.29	48.45	49.25
4384	NASDAQ	MKSI	Wed, Aug 31, 2016	48.26	48.89	47.87	48.74
4383	NASDAQ	MKSI	Tue, Aug 30, 2016	48.48	48.68	48.09	48.42
4382	NASDAQ	MKSI	Mon, Aug 29, 2016	48.29	48.70	48.26	48.40
4381	NASDAQ	MKSI	Fri, Aug 26, 2016	48.29	48.76	47.82	48.33
4380	NASDAQ	MKSI	Thu, Aug 25, 2016	48.05	48.49	47.88	48.36
4379	NASDAQ	MKSI	Wed, Aug 24, 2016	48.83	48.88	48.18	48.39
4378	NASDAQ	MKSI	Tue, Aug 23, 2016	49.20	49.20	48.72	48.73
4377	NASDAQ	MKSI	Mon, Aug 22, 2016	48.99	49.58	48.47	48.79
4376	NASDAQ	MKSI	Fri, Aug 19, 2016	47.04	49.13	47.04	48.88
4375	NASDAQ	MKSI	Thu, Aug 18, 2016	46.52	47.09	46.46	46.90
4374	NASDAQ	MKSI	Wed, Aug 17, 2016	46.83	47.00	46.54	46.65
4373	NASDAQ	MKSI	Tue, Aug 16, 2016	47.03	47.11	46.68	47.01
4372	NASDAQ	MKSI	Mon, Aug 15, 2016	47.09	47.26	46.57	47.02
4371	NASDAQ	MKSI	Fri, Aug 12, 2016	46.65	47.01	46.30	46.97
4370	NASDAQ	MKSI	Thu, Aug 11, 2016	46.46	46.74	46.05	46.64
4369	NASDAQ	MKSI	Wed, Aug 10, 2016	47.34	47.34	46.15	46.41
4368	NASDAQ	MKSI	Tue, Aug 9, 2016	47.43	47.74	47.14	47.22
4367	NASDAQ	MKSI	Mon, Aug 8, 2016	47.28	47.60	46.80	47.24
4366	NASDAQ	MKSI	Fri, Aug 5, 2016	46.16	47.27	46.01	47.08
4365	NASDAQ	MKSI	Thu, Aug 4, 2016	45.81	46.16	45.43	45.96
4364	NASDAQ	MKSI	Wed, Aug 3, 2016	45.17	45.69	44.92	45.68
4363	NASDAQ	MKSI	Tue, Aug 2, 2016	45.90	45.90	44.82	45.22
4362	NASDAQ	MKSI	Mon, Aug 1, 2016	46.04	46.18	44.97	45.76
4361	NASDAQ	MKSI	Fri, Jul 29, 2016	47.16	47.40	45.29	45.68
4360	NASDAQ	MKSI	Thu, Jul 28, 2016	51.50	54.73	46.66	47.16
4359	NASDAQ	MKSI	Wed, Jul 27, 2016	47.66	48.30	47.14	48.00
4358	NASDAQ	MKSI	Tue, Jul 26, 2016	46.77	47.63	46.61	47.47
4357	NASDAQ	MKSI	Mon, Jul 25, 2016	46.74	46.93	46.09	46.91
4356	NASDAQ	MKSI	Fri, Jul 22, 2016	46.32	46.96	45.79	46.79
4355	NASDAQ	MKSI	Thu, Jul 21, 2016	46.74	46.99	46.11	46.44
4354	NASDAQ	MKSI	Wed, Jul 20, 2016	46.62	47.21	46.43	47.12
4353	NASDAQ	MKSI	Tue, Jul 19, 2016	45.89	46.70	45.87	46.38
4352	NASDAQ	MKSI	Mon, Jul 18, 2016	46.54	46.54	46.05	46.15
4351	NASDAQ	MKSI	Fri, Jul 15, 2016	46.23	46.36	45.85	45.96
4350	NASDAQ	MKSI	Thu, Jul 14, 2016	46.97	47.00	46.01	46.09
4349	NASDAQ	MKSI	Wed, Jul 13, 2016	46.10	46.87	45.75	46.67
4348	NASDAQ	MKSI	Tue, Jul 12, 2016	45.00	45.95	44.96	45.83
4347	NASDAQ	MKSI	Mon, Jul 11, 2016	44.20	44.90	43.97	44.88
4346	NASDAQ	MKSI	Fri, Jul 8, 2016	42.23	44.05	42.23	43.99
4345	NASDAQ	MKSI	Thu, Jul 7, 2016	41.95	42.23	41.34	41.63
4344	NASDAQ	MKSI	Wed, Jul 6, 2016	41.83	42.13	41.61	41.95
4343	NASDAQ	MKSI	Tue, Jul 5, 2016	42.29	42.59	41.97	42.16
4342	NASDAQ	MKSI	Fri, Jul 1, 2016	42.85	43.15	42.49	42.58
4341	NASDAQ	MKSI	Thu, Jun 30, 2016	41.63	43.06	41.50	43.06
4340	NASDAQ	MKSI	Wed, Jun 29, 2016	41.36	41.90	40.96	41.41
4339	NASDAQ	MKSI	Tue, Jun 28, 2016	40.04	41.00	39.80	40.94
4338	NASDAQ	MKSI	Mon, Jun 27, 2016	40.42	40.56	39.32	39.57
4337	NASDAQ	MKSI	Fri, Jun 24, 2016	40.81	41.58	40.14	40.79
4336	NASDAQ	MKSI	Thu, Jun 23, 2016	42.00	42.83	41.44	42.83
4335	NASDAQ	MKSI	Wed, Jun 22, 2016	41.47	41.88	41.42	41.53
4334	NASDAQ	MKSI	Tue, Jun 21, 2016	41.54	41.80	41.28	41.51
4333	NASDAQ	MKSI	Mon, Jun 20, 2016	41.71	42.06	41.41	41.48
4332	NASDAQ	MKSI	Fri, Jun 17, 2016	41.16	41.37	40.57	41.22
4331	NASDAQ	MKSI	Thu, Jun 16, 2016	40.67	41.18	40.36	41.02
4330	NASDAQ	MKSI	Wed, Jun 15, 2016	41.14	41.33	40.82	41.09
4329	NASDAQ	MKSI	Tue, Jun 14, 2016	41.00	41.33	40.67	41.07
4328	NASDAQ	MKSI	Mon, Jun 13, 2016	41.19	41.33	40.49	41.15
4327	NASDAQ	MKSI	Fri, Jun 10, 2016	42.04	42.04	40.99	41.15
4326	NASDAQ	MKSI	Thu, Jun 9, 2016	42.14	42.74	41.64	42.51
4325	NASDAQ	MKSI	Wed, Jun 8, 2016	41.76	42.30	41.52	42.25
4324	NASDAQ	MKSI	Tue, Jun 7, 2016	41.48	41.88	41.32	41.78
4323	NASDAQ	MKSI	Mon, Jun 6, 2016	41.51	41.56	41.13	41.47
4322	NASDAQ	MKSI	Fri, Jun 3, 2016	41.28	41.74	40.33	41.57
4321	NASDAQ	MKSI	Thu, Jun 2, 2016	40.85	41.67	40.45	41.67
4320	NASDAQ	MKSI	Wed, Jun 1, 2016	40.91	41.42	40.39	41.36
4319	NASDAQ	MKSI	Tue, May 31, 2016	40.92	41.00	40.50	40.98
4318	NASDAQ	MKSI	Fri, May 27, 2016	40.20	40.95	39.52	40.95
4317	NASDAQ	MKSI	Thu, May 26, 2016	39.42	40.11	38.89	40.03
4316	NASDAQ	MKSI	Wed, May 25, 2016	39.69	39.78	39.08	39.41
4315	NASDAQ	MKSI	Tue, May 24, 2016	37.97	39.43	37.97	39.42
4314	NASDAQ	MKSI	Mon, May 23, 2016	37.61	38.38	37.61	37.85
4313	NASDAQ	MKSI	Fri, May 20, 2016	36.30	37.91	35.74	37.53
4312	NASDAQ	MKSI	Thu, May 19, 2016	35.98	36.41	35.61	35.95
4311	NASDAQ	MKSI	Wed, May 18, 2016	35.47	36.40	35.47	36.24
4310	NASDAQ	MKSI	Tue, May 17, 2016	36.37	36.82	35.44	35.62
4309	NASDAQ	MKSI	Mon, May 16, 2016	36.25	36.85	36.16	36.48
4308	NASDAQ	MKSI	Fri, May 13, 2016	36.34	36.68	36.19	36.29
4307	NASDAQ	MKSI	Thu, May 12, 2016	36.77	37.69	36.34	36.48
4306	NASDAQ	MKSI	Wed, May 11, 2016	36.74	36.92	36.30	36.32
4305	NASDAQ	MKSI	Tue, May 10, 2016	36.49	37.36	36.36	36.88
4304	NASDAQ	MKSI	Mon, May 9, 2016	35.94	36.80	35.02	36.33
4303	NASDAQ	MKSI	Fri, May 6, 2016	35.72	36.08	35.39	36.06
4302	NASDAQ	MKSI	Thu, May 5, 2016	36.17	36.27	35.11	35.89
4301	NASDAQ	MKSI	Wed, May 4, 2016	36.44	36.76	36.00	36.05
4300	NASDAQ	MKSI	Tue, May 3, 2016	36.41	36.93	36.41	36.54
4299	NASDAQ	MKSI	Mon, May 2, 2016	36.06	36.72	35.71	36.53
4298	NASDAQ	MKSI	Fri, Apr 29, 2016	36.20	36.29	35.62	35.86
4297	NASDAQ	MKSI	Thu, Apr 28, 2016	37.58	37.70	36.32	36.32
4296	NASDAQ	MKSI	Wed, Apr 27, 2016	37.34	38.13	36.08	37.97
4295	NASDAQ	MKSI	Tue, Apr 26, 2016	38.31	38.86	37.13	37.47
4294	NASDAQ	MKSI	Mon, Apr 25, 2016	37.51	37.51	37.05	37.20
4293	NASDAQ	MKSI	Fri, Apr 22, 2016	37.20	37.78	37.02	37.50
4292	NASDAQ	MKSI	Thu, Apr 21, 2016	37.60	37.92	37.10	37.23
4291	NASDAQ	MKSI	Wed, Apr 20, 2016	38.35	38.65	37.30	37.79
4290	NASDAQ	MKSI	Tue, Apr 19, 2016	38.40	38.65	38.05	38.43
4289	NASDAQ	MKSI	Mon, Apr 18, 2016	38.11	38.34	37.94	38.19
4288	NASDAQ	MKSI	Fri, Apr 15, 2016	38.05	38.72	37.94	38.31
4287	NASDAQ	MKSI	Thu, Apr 14, 2016	38.18	38.36	37.74	38.23
4286	NASDAQ	MKSI	Wed, Apr 13, 2016	37.43	38.37	37.34	38.37
4285	NASDAQ	MKSI	Tue, Apr 12, 2016	36.92	37.40	36.88	37.31
4284	NASDAQ	MKSI	Mon, Apr 11, 2016	37.22	37.32	36.78	36.94
4283	NASDAQ	MKSI	Fri, Apr 8, 2016	37.33	37.80	36.84	37.02
4282	NASDAQ	MKSI	Thu, Apr 7, 2016	37.24	37.45	36.88	37.13
4281	NASDAQ	MKSI	Wed, Apr 6, 2016	37.53	37.56	37.01	37.53
4280	NASDAQ	MKSI	Tue, Apr 5, 2016	37.85	37.85	37.85	37.54
4279	NASDAQ	MKSI	Mon, Apr 4, 2016	37.75	38.24	37.67	37.85
4278	NASDAQ	MKSI	Fri, Apr 1, 2016	37.32	37.75	37.06	37.68
4277	NASDAQ	MKSI	Thu, Mar 31, 2016	37.27	37.75	36.99	37.34
4276	NASDAQ	MKSI	Wed, Mar 30, 2016	37.65	38.14	37.26	37.34
4275	NASDAQ	MKSI	Tue, Mar 29, 2016	36.21	37.42	36.03	36.18
4274	NASDAQ	MKSI	Mon, Mar 28, 2016	36.20	36.24	35.97	36.03
4273	NASDAQ	MKSI	Thu, Mar 24, 2016	36.06	36.06	36.06	36.18
4272	NASDAQ	MKSI	Wed, Mar 23, 2016	36.16	36.45	35.82	36.06
4271	NASDAQ	MKSI	Tue, Mar 22, 2016	35.56	36.49	35.56	36.13
4270	NASDAQ	MKSI	Mon, Mar 21, 2016	35.75	36.02	35.55	35.68
4269	NASDAQ	MKSI	Fri, Mar 18, 2016	35.84	36.30	35.59	35.76
4268	NASDAQ	MKSI	Thu, Mar 17, 2016	34.80	35.74	34.72	35.60
4267	NASDAQ	MKSI	Wed, Mar 16, 2016	34.71	34.99	34.69	34.89
4266	NASDAQ	MKSI	Tue, Mar 15, 2016	34.81	34.81	34.81	34.73
4265	NASDAQ	MKSI	Mon, Mar 14, 2016	34.32	34.86	34.23	34.81
4264	NASDAQ	MKSI	Fri, Mar 11, 2016	34.35	34.44	34.09	34.39
4263	NASDAQ	MKSI	Thu, Mar 10, 2016	34.04	34.29	33.69	33.96
4262	NASDAQ	MKSI	Wed, Mar 9, 2016	33.43	33.43	33.43	33.96
4261	NASDAQ	MKSI	Tue, Mar 8, 2016	33.91	34.02	33.37	34.13
4260	NASDAQ	MKSI	Mon, Mar 7, 2016	34.16	34.19	33.32	34.13
4259	NASDAQ	MKSI	Fri, Mar 4, 2016	33.90	33.90	33.90	34.33
4258	NASDAQ	MKSI	Thu, Mar 3, 2016	33.52	33.52	33.52	33.90
4257	NASDAQ	MKSI	Wed, Mar 2, 2016	33.53	33.62	33.16	33.57
4256	NASDAQ	MKSI	Tue, Mar 1, 2016	32.90	32.90	32.90	33.57
4255	NASDAQ	MKSI	Mon, Feb 29, 2016	33.14	33.22	32.72	32.90
4254	NASDAQ	MKSI	Fri, Feb 26, 2016	32.77	32.77	32.77	32.91
4253	NASDAQ	MKSI	Thu, Feb 25, 2016	32.44	32.78	32.19	32.77
4252	NASDAQ	MKSI	Wed, Feb 24, 2016	31.80	32.36	31.51	32.26
4251	NASDAQ	MKSI	Tue, Feb 23, 2016	33.23	33.66	31.55	31.98
4250	NASDAQ	MKSI	Mon, Feb 22, 2016	34.08	34.31	33.52	33.61
4249	NASDAQ	MKSI	Fri, Feb 19, 2016	32.94	33.86	32.94	33.53
4248	NASDAQ	MKSI	Thu, Feb 18, 2016	33.42	33.73	32.78	32.88
4247	NASDAQ	MKSI	Wed, Feb 17, 2016	33.26	33.52	32.55	33.27
4246	NASDAQ	MKSI	Tue, Feb 16, 2016	32.69	33.30	31.55	33.22
4245	NASDAQ	MKSI	Fri, Feb 12, 2016	32.36	33.75	31.90	32.19
4244	NASDAQ	MKSI	Thu, Feb 11, 2016	31.96	32.79	30.67	32.08
4243	NASDAQ	MKSI	Wed, Feb 10, 2016	33.17	33.55	32.66	32.70
4242	NASDAQ	MKSI	Tue, Feb 9, 2016	32.89	33.90	32.89	33.02
4241	NASDAQ	MKSI	Mon, Feb 8, 2016	32.58	33.59	32.29	33.34
4240	NASDAQ	MKSI	Fri, Feb 5, 2016	33.70	33.87	32.96	33.08
4239	NASDAQ	MKSI	Thu, Feb 4, 2016	34.20	34.70	33.60	33.97
4238	NASDAQ	MKSI	Wed, Feb 3, 2016	34.43	34.74	33.65	34.04
4237	NASDAQ	MKSI	Tue, Feb 2, 2016	34.36	35.20	33.57	33.93
4236	NASDAQ	MKSI	Mon, Feb 1, 2016	35.13	35.16	34.64	34.80
4235	NASDAQ	MKSI	Fri, Jan 29, 2016	33.81	35.51	33.78	35.44
4234	NASDAQ	MKSI	Thu, Jan 28, 2016	35.40	36.09	33.42	33.52
4233	NASDAQ	MKSI	Wed, Jan 27, 2016	34.14	34.81	34.12	34.21
4232	NASDAQ	MKSI	Tue, Jan 26, 2016	33.80	34.54	33.72	34.17
4231	NASDAQ	MKSI	Mon, Jan 25, 2016	33.93	34.62	33.70	33.75
4230	NASDAQ	MKSI	Fri, Jan 22, 2016	33.75	34.27	33.44	33.99
4229	NASDAQ	MKSI	Thu, Jan 21, 2016	33.74	33.83	32.94	33.09
4228	NASDAQ	MKSI	Wed, Jan 20, 2016	32.78	33.81	32.53	33.50
4227	NASDAQ	MKSI	Tue, Jan 19, 2016	33.45	33.45	32.73	33.14
4226	NASDAQ	MKSI	Fri, Jan 15, 2016	32.97	33.19	32.41	32.97
4225	NASDAQ	MKSI	Thu, Jan 14, 2016	33.91	34.21	33.38	33.95
4224	NASDAQ	MKSI	Wed, Jan 13, 2016	34.05	34.57	33.37	33.61
4223	NASDAQ	MKSI	Tue, Jan 12, 2016	33.70	34.06	33.19	34.01
4222	NASDAQ	MKSI	Mon, Jan 11, 2016	33.65	33.76	33.08	33.25
4221	NASDAQ	MKSI	Fri, Jan 8, 2016	34.62	34.78	33.43	33.47
4220	NASDAQ	MKSI	Thu, Jan 7, 2016	34.93	35.16	34.50	34.51
4219	NASDAQ	MKSI	Wed, Jan 6, 2016	35.60	35.78	34.82	35.42
4218	NASDAQ	MKSI	Tue, Jan 5, 2016	35.83	36.40	35.60	36.04
4217	NASDAQ	MKSI	Mon, Jan 4, 2016	35.99	36.53	35.41	35.63
4216	NASDAQ	MKSI	Thu, Dec 31, 2015	36.65	36.65	35.99	36.00
4215	NASDAQ	MKSI	Wed, Dec 30, 2015	37.16	37.32	36.63	36.73
4214	NASDAQ	MKSI	Tue, Dec 29, 2015	37.28	37.47	36.85	37.07
4213	NASDAQ	MKSI	Mon, Dec 28, 2015	37.05	37.17	36.51	37.00
4212	NASDAQ	MKSI	Thu, Dec 24, 2015	37.07	37.28	36.82	37.07
4211	NASDAQ	MKSI	Wed, Dec 23, 2015	36.97	37.34	36.86	37.13
4210	NASDAQ	MKSI	Tue, Dec 22, 2015	36.36	36.85	36.11	36.82
4209	NASDAQ	MKSI	Mon, Dec 21, 2015	36.13	36.22	35.19	36.22
4208	NASDAQ	MKSI	Fri, Dec 18, 2015	36.39	36.52	35.61	35.99
4207	NASDAQ	MKSI	Thu, Dec 17, 2015	36.52	36.79	36.44	36.49
4206	NASDAQ	MKSI	Wed, Dec 16, 2015	36.03	36.48	35.80	36.43
4205	NASDAQ	MKSI	Tue, Dec 15, 2015	35.77	36.06	35.57	35.89
4204	NASDAQ	MKSI	Mon, Dec 14, 2015	36.07	36.19	35.43	35.57
4203	NASDAQ	MKSI	Fri, Dec 11, 2015	35.76	36.52	35.76	36.02
4202	NASDAQ	MKSI	Thu, Dec 10, 2015	36.35	36.70	36.04	36.40
4201	NASDAQ	MKSI	Wed, Dec 9, 2015	36.54	36.80	36.24	36.41
4200	NASDAQ	MKSI	Tue, Dec 8, 2015	36.52	36.85	36.44	36.61
4199	NASDAQ	MKSI	Mon, Dec 7, 2015	37.53	37.53	36.84	36.86
4198	NASDAQ	MKSI	Fri, Dec 4, 2015	37.12	38.25	37.12	37.48
4197	NASDAQ	MKSI	Thu, Dec 3, 2015	37.43	37.56	36.94	36.99
4196	NASDAQ	MKSI	Wed, Dec 2, 2015	36.83	37.70	36.83	37.39
4195	NASDAQ	MKSI	Tue, Dec 1, 2015	36.95	37.10	36.66	36.94
4194	NASDAQ	MKSI	Mon, Nov 30, 2015	36.93	37.20	36.85	36.87
4193	NASDAQ	MKSI	Fri, Nov 27, 2015	36.64	36.98	36.54	36.94
4192	NASDAQ	MKSI	Wed, Nov 25, 2015	36.63	36.93	36.56	36.67
4191	NASDAQ	MKSI	Tue, Nov 24, 2015	36.57	36.82	36.53	36.73
4190	NASDAQ	MKSI	Mon, Nov 23, 2015	36.40	36.70	36.29	36.63
4189	NASDAQ	MKSI	Fri, Nov 20, 2015	36.36	36.82	35.30	36.54
4188	NASDAQ	MKSI	Thu, Nov 19, 2015	35.85	36.20	35.43	36.19
4187	NASDAQ	MKSI	Wed, Nov 18, 2015	35.23	35.85	34.91	35.80
4186	NASDAQ	MKSI	Tue, Nov 17, 2015	35.24	35.56	34.97	35.03
4185	NASDAQ	MKSI	Mon, Nov 16, 2015	35.00	35.40	35.00	35.30
4184	NASDAQ	MKSI	Fri, Nov 13, 2015	35.06	35.43	34.86	35.03
4183	NASDAQ	MKSI	Thu, Nov 12, 2015	35.32	35.66	35.00	35.05
4182	NASDAQ	MKSI	Wed, Nov 11, 2015	35.52	35.96	34.86	35.54
4181	NASDAQ	MKSI	Tue, Nov 10, 2015	35.11	35.75	34.99	35.39
4180	NASDAQ	MKSI	Mon, Nov 9, 2015	35.51	35.72	35.29	35.30
4179	NASDAQ	MKSI	Fri, Nov 6, 2015	35.15	35.54	34.84	35.53
4178	NASDAQ	MKSI	Thu, Nov 5, 2015	35.65	35.94	35.21	35.29
4177	NASDAQ	MKSI	Wed, Nov 4, 2015	35.79	35.79	35.49	35.70
4176	NASDAQ	MKSI	Tue, Nov 3, 2015	35.43	35.94	35.09	35.61
4175	NASDAQ	MKSI	Mon, Nov 2, 2015	35.19	35.92	35.10	35.69
4174	NASDAQ	MKSI	Fri, Oct 30, 2015	35.07	35.51	34.92	35.24
4173	NASDAQ	MKSI	Thu, Oct 29, 2015	35.19	35.37	34.81	35.15
4172	NASDAQ	MKSI	Wed, Oct 28, 2015	34.23	35.50	34.23	35.50
4171	NASDAQ	MKSI	Tue, Oct 27, 2015	34.17	34.82	33.98	34.06
4170	NASDAQ	MKSI	Mon, Oct 26, 2015	33.51	34.40	33.36	34.24
4169	NASDAQ	MKSI	Fri, Oct 23, 2015	33.62	34.25	32.77	33.68
4168	NASDAQ	MKSI	Thu, Oct 22, 2015	29.00	33.72	29.00	33.55
4167	NASDAQ	MKSI	Wed, Oct 21, 2015	35.88	36.24	35.19	35.22
4166	NASDAQ	MKSI	Tue, Oct 20, 2015	35.01	35.50	34.96	35.36
4165	NASDAQ	MKSI	Mon, Oct 19, 2015	34.80	35.32	34.50	35.13
4164	NASDAQ	MKSI	Fri, Oct 16, 2015	34.95	35.14	34.27	35.00
4163	NASDAQ	MKSI	Thu, Oct 15, 2015	34.19	34.95	34.00	34.92
4162	NASDAQ	MKSI	Wed, Oct 14, 2015	34.05	34.77	33.94	34.10
4161	NASDAQ	MKSI	Tue, Oct 13, 2015	34.25	34.74	34.05	34.05
4160	NASDAQ	MKSI	Mon, Oct 12, 2015	34.42	34.75	34.07	34.51
4159	NASDAQ	MKSI	Fri, Oct 9, 2015	34.55	35.00	33.15	34.38
4158	NASDAQ	MKSI	Thu, Oct 8, 2015	34.09	34.59	32.39	34.48
4157	NASDAQ	MKSI	Wed, Oct 7, 2015	33.76	34.10	33.52	34.09
4156	NASDAQ	MKSI	Tue, Oct 6, 2015	33.84	34.01	33.15	33.52
4155	NASDAQ	MKSI	Mon, Oct 5, 2015	33.75	34.16	33.50	33.92
4154	NASDAQ	MKSI	Fri, Oct 2, 2015	32.81	33.78	32.51	33.78
4153	NASDAQ	MKSI	Thu, Oct 1, 2015	33.43	33.43	32.16	33.04
4152	NASDAQ	MKSI	Wed, Sep 30, 2015	32.84	33.56	32.44	33.53
4151	NASDAQ	MKSI	Tue, Sep 29, 2015	32.34	32.70	32.13	32.44
4150	NASDAQ	MKSI	Mon, Sep 28, 2015	32.44	32.60	32.21	32.29
4149	NASDAQ	MKSI	Fri, Sep 25, 2015	32.88	32.95	32.50	32.59
4148	NASDAQ	MKSI	Thu, Sep 24, 2015	32.05	32.56	31.62	32.52
4147	NASDAQ	MKSI	Wed, Sep 23, 2015	33.32	33.32	32.59	32.60
4146	NASDAQ	MKSI	Tue, Sep 22, 2015	33.83	33.85	32.97	33.32
4145	NASDAQ	MKSI	Mon, Sep 21, 2015	34.95	34.98	34.10	34.23
4144	NASDAQ	MKSI	Fri, Sep 18, 2015	34.59	35.10	34.09	34.68
4143	NASDAQ	MKSI	Thu, Sep 17, 2015	34.99	35.47	34.71	35.17
4142	NASDAQ	MKSI	Wed, Sep 16, 2015	34.50	35.09	34.26	35.00
4141	NASDAQ	MKSI	Tue, Sep 15, 2015	33.81	34.57	33.80	34.57
4140	NASDAQ	MKSI	Mon, Sep 14, 2015	33.61	33.84	33.34	33.82
4139	NASDAQ	MKSI	Fri, Sep 11, 2015	33.14	33.51	32.86	33.49
4138	NASDAQ	MKSI	Thu, Sep 10, 2015	33.20	33.75	33.14	33.44
4137	NASDAQ	MKSI	Wed, Sep 9, 2015	33.80	34.03	33.34	33.38
4136	NASDAQ	MKSI	Tue, Sep 8, 2015	33.35	33.75	32.86	33.70
4135	NASDAQ	MKSI	Fri, Sep 4, 2015	32.68	33.21	32.68	32.91
4134	NASDAQ	MKSI	Thu, Sep 3, 2015	33.13	33.62	32.97	33.24
4133	NASDAQ	MKSI	Wed, Sep 2, 2015	33.05	33.12	32.62	32.97
4132	NASDAQ	MKSI	Tue, Sep 1, 2015	33.07	33.58	32.65	32.75
4131	NASDAQ	MKSI	Mon, Aug 31, 2015	33.45	33.75	33.22	33.70
4130	NASDAQ	MKSI	Fri, Aug 28, 2015	33.02	33.78	32.50	33.62
4129	NASDAQ	MKSI	Thu, Aug 27, 2015	32.97	33.48	32.67	33.24
4128	NASDAQ	MKSI	Wed, Aug 26, 2015	32.86	32.94	32.16	32.90
4127	NASDAQ	MKSI	Tue, Aug 25, 2015	33.31	33.31	32.04	32.05
4126	NASDAQ	MKSI	Mon, Aug 24, 2015	32.62	33.72	32.00	32.36
4125	NASDAQ	MKSI	Fri, Aug 21, 2015	33.60	34.40	33.56	33.81
4124	NASDAQ	MKSI	Thu, Aug 20, 2015	34.51	34.69	34.18	34.21
4123	NASDAQ	MKSI	Wed, Aug 19, 2015	34.67	35.13	34.16	34.83
4122	NASDAQ	MKSI	Tue, Aug 18, 2015	35.85	35.85	34.69	34.78
4121	NASDAQ	MKSI	Mon, Aug 17, 2015	35.30	35.86	35.20	35.80
4120	NASDAQ	MKSI	Fri, Aug 14, 2015	35.62	35.62	34.94	35.44
4119	NASDAQ	MKSI	Thu, Aug 13, 2015	35.66	36.06	35.42	35.67
4118	NASDAQ	MKSI	Wed, Aug 12, 2015	35.35	35.93	35.00	35.63
4117	NASDAQ	MKSI	Tue, Aug 11, 2015	35.75	35.97	35.53	35.74
4116	NASDAQ	MKSI	Mon, Aug 10, 2015	35.75	36.27	35.65	36.04
4115	NASDAQ	MKSI	Fri, Aug 7, 2015	35.31	35.72	35.26	35.65
4114	NASDAQ	MKSI	Thu, Aug 6, 2015	35.68	35.82	35.26	35.48
4113	NASDAQ	MKSI	Wed, Aug 5, 2015	34.92	35.76	34.92	35.52
4112	NASDAQ	MKSI	Tue, Aug 4, 2015	35.12	35.15	34.53	34.80
4111	NASDAQ	MKSI	Mon, Aug 3, 2015	35.58	35.58	34.91	35.10
4110	NASDAQ	MKSI	Fri, Jul 31, 2015	35.74	35.92	35.45	35.50
4109	NASDAQ	MKSI	Thu, Jul 30, 2015	35.06	35.97	35.02	35.59
4108	NASDAQ	MKSI	Wed, Jul 29, 2015	35.37	35.37	34.87	35.10
4107	NASDAQ	MKSI	Tue, Jul 28, 2015	35.33	35.54	35.05	35.36
4106	NASDAQ	MKSI	Mon, Jul 27, 2015	34.95	35.76	34.93	35.23
4105	NASDAQ	MKSI	Fri, Jul 24, 2015	35.44	35.54	35.07	35.30
4104	NASDAQ	MKSI	Thu, Jul 23, 2015	35.19	36.07	34.58	35.56
4103	NASDAQ	MKSI	Wed, Jul 22, 2015	35.41	35.57	34.52	35.52
4102	NASDAQ	MKSI	Tue, Jul 21, 2015	35.42	35.99	35.38	35.67
4101	NASDAQ	MKSI	Mon, Jul 20, 2015	35.80	35.80	35.33	35.44
4100	NASDAQ	MKSI	Fri, Jul 17, 2015	36.08	36.23	35.57	35.72
4099	NASDAQ	MKSI	Thu, Jul 16, 2015	36.84	36.87	35.73	35.95
4098	NASDAQ	MKSI	Wed, Jul 15, 2015	36.85	37.03	36.53	36.68
4097	NASDAQ	MKSI	Tue, Jul 14, 2015	36.95	37.10	36.48	36.75
4096	NASDAQ	MKSI	Mon, Jul 13, 2015	36.95	37.38	36.76	37.22
4095	NASDAQ	MKSI	Fri, Jul 10, 2015	36.77	36.91	36.37	36.78
4094	NASDAQ	MKSI	Thu, Jul 9, 2015	37.10	37.10	36.31	36.37
4093	NASDAQ	MKSI	Wed, Jul 8, 2015	36.80	37.30	36.50	36.61
4092	NASDAQ	MKSI	Tue, Jul 7, 2015	37.73	37.73	36.68	37.29
4091	NASDAQ	MKSI	Mon, Jul 6, 2015	37.53	37.96	37.41	37.57
4090	NASDAQ	MKSI	Thu, Jul 2, 2015	37.95	38.08	37.70	37.87
4089	NASDAQ	MKSI	Wed, Jul 1, 2015	38.37	38.51	37.72	37.92
4088	NASDAQ	MKSI	Tue, Jun 30, 2015	38.14	38.26	37.76	37.94
4087	NASDAQ	MKSI	Mon, Jun 29, 2015	38.62	38.96	37.73	37.79
4086	NASDAQ	MKSI	Fri, Jun 26, 2015	39.51	39.52	38.80	38.91
4085	NASDAQ	MKSI	Thu, Jun 25, 2015	39.30	39.65	38.76	39.32
4084	NASDAQ	MKSI	Wed, Jun 24, 2015	39.00	39.35	38.99	39.26
4083	NASDAQ	MKSI	Tue, Jun 23, 2015	38.77	39.20	38.64	39.04
4082	NASDAQ	MKSI	Mon, Jun 22, 2015	38.75	38.85	38.49	38.74
4081	NASDAQ	MKSI	Fri, Jun 19, 2015	38.47	38.63	38.06	38.58
4080	NASDAQ	MKSI	Thu, Jun 18, 2015	38.27	38.72	38.06	38.35
4079	NASDAQ	MKSI	Wed, Jun 17, 2015	38.42	38.62	38.28	38.28
4078	NASDAQ	MKSI	Tue, Jun 16, 2015	37.63	38.43	37.63	38.27
4077	NASDAQ	MKSI	Mon, Jun 15, 2015	37.98	37.98	37.38	37.75
4076	NASDAQ	MKSI	Fri, Jun 12, 2015	38.24	38.48	37.98	38.12
4075	NASDAQ	MKSI	Thu, Jun 11, 2015	38.78	38.78	37.99	38.32
4074	NASDAQ	MKSI	Wed, Jun 10, 2015	38.40	38.89	38.26	38.60
4073	NASDAQ	MKSI	Tue, Jun 9, 2015	38.22	38.22	37.94	38.16
4072	NASDAQ	MKSI	Mon, Jun 8, 2015	38.38	38.79	38.09	38.19
4071	NASDAQ	MKSI	Fri, Jun 5, 2015	38.07	38.34	38.07	38.30
4070	NASDAQ	MKSI	Thu, Jun 4, 2015	37.95	38.36	37.95	38.23
4069	NASDAQ	MKSI	Wed, Jun 3, 2015	38.12	38.34	37.94	38.23
4068	NASDAQ	MKSI	Tue, Jun 2, 2015	37.53	38.09	37.29	38.04
4067	NASDAQ	MKSI	Mon, Jun 1, 2015	37.91	38.07	37.37	37.81
4066	NASDAQ	MKSI	Fri, May 29, 2015	37.72	37.97	37.50	37.71
4065	NASDAQ	MKSI	Thu, May 28, 2015	37.50	37.85	37.22	37.76
4064	NASDAQ	MKSI	Wed, May 27, 2015	37.24	37.78	37.04	37.66
4063	NASDAQ	MKSI	Tue, May 26, 2015	37.25	37.49	36.96	37.21
4062	NASDAQ	MKSI	Fri, May 22, 2015	37.50	37.82	37.49	37.52
4061	NASDAQ	MKSI	Thu, May 21, 2015	37.32	37.90	37.19	37.57
4060	NASDAQ	MKSI	Wed, May 20, 2015	37.37	37.63	37.22	37.32
4059	NASDAQ	MKSI	Tue, May 19, 2015	37.23	37.71	37.12	37.43
4058	NASDAQ	MKSI	Mon, May 18, 2015	36.66	37.49	36.53	37.20
4057	NASDAQ	MKSI	Fri, May 15, 2015	36.69	37.04	36.50	36.59
4056	NASDAQ	MKSI	Thu, May 14, 2015	36.33	36.67	36.12	36.65
4055	NASDAQ	MKSI	Wed, May 13, 2015	36.06	36.35	35.97	36.28
4054	NASDAQ	MKSI	Tue, May 12, 2015	35.36	36.09	35.07	35.85
4053	NASDAQ	MKSI	Mon, May 11, 2015	35.35	35.78	35.27	35.63
4052	NASDAQ	MKSI	Fri, May 8, 2015	35.61	35.73	35.23	35.25
4051	NASDAQ	MKSI	Thu, May 7, 2015	34.78	35.32	34.78	35.17
4050	NASDAQ	MKSI	Wed, May 6, 2015	35.05	35.25	34.56	34.73
4049	NASDAQ	MKSI	Tue, May 5, 2015	35.00	35.33	34.61	35.07
4048	NASDAQ	MKSI	Mon, May 4, 2015	35.46	35.93	35.23	35.36
4047	NASDAQ	MKSI	Fri, May 1, 2015	34.92	35.72	34.64	35.67
4046	NASDAQ	MKSI	Thu, Apr 30, 2015	35.73	35.93	34.76	34.81
4045	NASDAQ	MKSI	Wed, Apr 29, 2015	35.55	36.01	35.25	35.84
4044	NASDAQ	MKSI	Tue, Apr 28, 2015	35.68	35.91	35.53	35.89
4043	NASDAQ	MKSI	Mon, Apr 27, 2015	35.90	36.32	35.57	35.74
4042	NASDAQ	MKSI	Fri, Apr 24, 2015	35.51	36.00	35.24	35.94
4041	NASDAQ	MKSI	Thu, Apr 23, 2015	36.25	36.50	34.45	35.50
4040	NASDAQ	MKSI	Wed, Apr 22, 2015	33.96	34.74	33.48	34.41
4039	NASDAQ	MKSI	Tue, Apr 21, 2015	33.77	34.07	33.57	33.84
4038	NASDAQ	MKSI	Mon, Apr 20, 2015	33.10	33.69	33.01	33.29
4037	NASDAQ	MKSI	Fri, Apr 17, 2015	33.31	33.44	32.73	32.89
4036	NASDAQ	MKSI	Thu, Apr 16, 2015	33.90	34.18	33.21	33.62
4035	NASDAQ	MKSI	Wed, Apr 15, 2015	33.90	34.49	33.79	34.13
4034	NASDAQ	MKSI	Tue, Apr 14, 2015	34.24	34.24	33.80	33.94
4033	NASDAQ	MKSI	Mon, Apr 13, 2015	34.22	34.33	34.13	34.22
4032	NASDAQ	MKSI	Fri, Apr 10, 2015	34.19	34.31	34.00	34.08
4031	NASDAQ	MKSI	Thu, Apr 9, 2015	33.63	34.13	33.35	34.04
4030	NASDAQ	MKSI	Wed, Apr 8, 2015	33.38	33.65	32.90	33.61
4029	NASDAQ	MKSI	Tue, Apr 7, 2015	33.67	34.10	33.35	33.37
4028	NASDAQ	MKSI	Mon, Apr 6, 2015	33.34	34.10	33.34	33.81
4027	NASDAQ	MKSI	Thu, Apr 2, 2015	33.60	34.29	33.60	33.74
4026	NASDAQ	MKSI	Wed, Apr 1, 2015	33.78	34.11	33.33	33.46
4025	NASDAQ	MKSI	Tue, Mar 31, 2015	34.11	34.56	33.78	33.81
4024	NASDAQ	MKSI	Mon, Mar 30, 2015	34.22	34.78	34.18	34.41
4023	NASDAQ	MKSI	Fri, Mar 27, 2015	33.92	34.20	33.68	34.09
4022	NASDAQ	MKSI	Thu, Mar 26, 2015	33.86	34.53	33.32	33.91
4021	NASDAQ	MKSI	Wed, Mar 25, 2015	35.97	35.97	34.10	34.22
4020	NASDAQ	MKSI	Tue, Mar 24, 2015	36.00	36.07	35.69	35.88
4019	NASDAQ	MKSI	Mon, Mar 23, 2015	35.97	36.06	35.72	35.88
4018	NASDAQ	MKSI	Fri, Mar 20, 2015	36.44	36.55	35.90	36.01
4017	NASDAQ	MKSI	Thu, Mar 19, 2015	35.84	36.20	35.54	36.16
4016	NASDAQ	MKSI	Wed, Mar 18, 2015	35.70	35.90	35.02	35.85
4015	NASDAQ	MKSI	Tue, Mar 17, 2015	35.81	36.21	35.47	35.95
4014	NASDAQ	MKSI	Mon, Mar 16, 2015	35.61	36.12	35.48	35.99
4013	NASDAQ	MKSI	Fri, Mar 13, 2015	34.91	35.41	34.59	35.34
4012	NASDAQ	MKSI	Thu, Mar 12, 2015	34.60	34.96	34.08	34.87
4011	NASDAQ	MKSI	Wed, Mar 11, 2015	34.20	34.79	34.11	34.76
4010	NASDAQ	MKSI	Tue, Mar 10, 2015	34.43	34.48	34.10	34.23
4009	NASDAQ	MKSI	Mon, Mar 9, 2015	34.79	34.96	34.50	34.81
4008	NASDAQ	MKSI	Fri, Mar 6, 2015	34.98	35.16	34.54	34.77
4007	NASDAQ	MKSI	Thu, Mar 5, 2015	35.42	35.42	34.89	35.29
4006	NASDAQ	MKSI	Wed, Mar 4, 2015	35.95	35.95	35.21	35.26
4005	NASDAQ	MKSI	Tue, Mar 3, 2015	36.09	36.44	35.81	36.02
4004	NASDAQ	MKSI	Mon, Mar 2, 2015	35.48	36.60	35.36	36.33
4003	NASDAQ	MKSI	Fri, Feb 27, 2015	35.76	35.76	35.35	35.36
4002	NASDAQ	MKSI	Thu, Feb 26, 2015	35.61	35.99	35.56	35.91
4001	NASDAQ	MKSI	Wed, Feb 25, 2015	36.10	36.25	35.54	35.83
4000	NASDAQ	MKSI	Tue, Feb 24, 2015	35.74	36.19	35.59	36.17
3999	NASDAQ	MKSI	Mon, Feb 23, 2015	35.57	35.63	34.99	35.60
3998	NASDAQ	MKSI	Fri, Feb 20, 2015	35.58	35.94	35.21	35.80
3997	NASDAQ	MKSI	Thu, Feb 19, 2015	35.30	35.75	35.15	35.69
3996	NASDAQ	MKSI	Wed, Feb 18, 2015	35.10	35.45	34.88	35.44
3995	NASDAQ	MKSI	Tue, Feb 17, 2015	35.47	35.60	35.04	35.25
3994	NASDAQ	MKSI	Fri, Feb 13, 2015	35.78	35.90	35.24	35.56
3993	NASDAQ	MKSI	Thu, Feb 12, 2015	35.73	36.10	35.56	35.81
3992	NASDAQ	MKSI	Wed, Feb 11, 2015	35.74	36.16	35.43	35.63
3991	NASDAQ	MKSI	Tue, Feb 10, 2015	35.78	36.07	35.14	35.86
3990	NASDAQ	MKSI	Mon, Feb 9, 2015	35.55	35.71	35.27	35.43
3989	NASDAQ	MKSI	Fri, Feb 6, 2015	36.02	36.37	35.63	35.78
3988	NASDAQ	MKSI	Thu, Feb 5, 2015	36.09	36.39	35.83	36.10
3987	NASDAQ	MKSI	Wed, Feb 4, 2015	35.71	36.16	35.62	35.87
3986	NASDAQ	MKSI	Tue, Feb 3, 2015	35.79	36.28	35.58	35.97
3985	NASDAQ	MKSI	Mon, Feb 2, 2015	35.01	35.57	34.62	35.51
3984	NASDAQ	MKSI	Fri, Jan 30, 2015	36.09	36.55	34.95	35.01
3983	NASDAQ	MKSI	Thu, Jan 29, 2015	35.01	36.58	35.01	36.38
3982	NASDAQ	MKSI	Wed, Jan 28, 2015	35.11	35.36	34.66	34.75
3981	NASDAQ	MKSI	Tue, Jan 27, 2015	34.50	35.15	34.05	34.84
3980	NASDAQ	MKSI	Mon, Jan 26, 2015	34.66	35.06	34.25	35.03
3979	NASDAQ	MKSI	Fri, Jan 23, 2015	34.76	34.91	34.25	34.67
3978	NASDAQ	MKSI	Thu, Jan 22, 2015	33.94	34.76	33.35	34.75
3977	NASDAQ	MKSI	Wed, Jan 21, 2015	33.52	34.05	33.52	33.73
3976	NASDAQ	MKSI	Tue, Jan 20, 2015	33.93	34.26	33.41	33.67
3975	NASDAQ	MKSI	Fri, Jan 16, 2015	33.10	33.93	33.04	33.88
3974	NASDAQ	MKSI	Thu, Jan 15, 2015	33.43	33.70	32.94	33.17
3973	NASDAQ	MKSI	Wed, Jan 14, 2015	33.28	33.93	33.11	33.38
3972	NASDAQ	MKSI	Tue, Jan 13, 2015	34.23	34.82	33.41	33.76
3971	NASDAQ	MKSI	Mon, Jan 12, 2015	34.61	34.61	33.62	33.84
3970	NASDAQ	MKSI	Fri, Jan 9, 2015	34.41	35.02	34.10	34.42
3969	NASDAQ	MKSI	Thu, Jan 8, 2015	34.86	35.63	34.22	35.27
3968	NASDAQ	MKSI	Wed, Jan 7, 2015	34.60	34.72	34.01	34.46
3967	NASDAQ	MKSI	Tue, Jan 6, 2015	35.47	35.60	34.13	34.32
3966	NASDAQ	MKSI	Mon, Jan 5, 2015	35.99	36.35	35.18	35.44
3965	NASDAQ	MKSI	Fri, Jan 2, 2015	36.86	36.97	35.75	36.28
3964	NASDAQ	MKSI	Wed, Dec 31, 2014	36.93	37.11	36.51	36.60
3963	NASDAQ	MKSI	Tue, Dec 30, 2014	37.03	37.31	36.72	36.73
3962	NASDAQ	MKSI	Mon, Dec 29, 2014	37.13	37.30	37.05	37.21
3961	NASDAQ	MKSI	Fri, Dec 26, 2014	37.36	37.36	37.04	37.18
3960	NASDAQ	MKSI	Wed, Dec 24, 2014	37.25	37.47	36.96	37.24
3959	NASDAQ	MKSI	Tue, Dec 23, 2014	37.47	37.83	37.15	37.25
3958	NASDAQ	MKSI	Mon, Dec 22, 2014	36.50	37.23	36.35	37.08
3957	NASDAQ	MKSI	Fri, Dec 19, 2014	36.08	36.48	34.78	36.40
3956	NASDAQ	MKSI	Thu, Dec 18, 2014	36.23	36.38	35.91	36.38
3955	NASDAQ	MKSI	Wed, Dec 17, 2014	35.62	36.10	35.11	36.04
3954	NASDAQ	MKSI	Tue, Dec 16, 2014	35.58	36.29	35.25	35.62
3953	NASDAQ	MKSI	Mon, Dec 15, 2014	36.28	36.53	35.59	35.60
3952	NASDAQ	MKSI	Fri, Dec 12, 2014	35.97	36.62	35.66	36.12
3951	NASDAQ	MKSI	Thu, Dec 11, 2014	36.36	36.80	36.01	36.49
3950	NASDAQ	MKSI	Wed, Dec 10, 2014	36.75	37.08	35.97	36.10
3949	NASDAQ	MKSI	Tue, Dec 9, 2014	35.90	37.19	35.63	36.87
3948	NASDAQ	MKSI	Mon, Dec 8, 2014	36.25	36.68	35.64	35.93
3947	NASDAQ	MKSI	Fri, Dec 5, 2014	36.17	36.57	36.17	36.40
3946	NASDAQ	MKSI	Thu, Dec 4, 2014	36.40	36.76	36.13	36.18
3945	NASDAQ	MKSI	Wed, Dec 3, 2014	36.27	36.75	36.16	36.54
3944	NASDAQ	MKSI	Tue, Dec 2, 2014	36.05	36.61	35.97	36.40
3943	NASDAQ	MKSI	Mon, Dec 1, 2014	36.47	36.92	36.16	36.16
3942	NASDAQ	MKSI	Fri, Nov 28, 2014	37.00	37.07	36.36	36.44
3941	NASDAQ	MKSI	Wed, Nov 26, 2014	36.06	36.86	36.00	36.81
3940	NASDAQ	MKSI	Tue, Nov 25, 2014	35.52	36.25	35.23	36.24
3939	NASDAQ	MKSI	Mon, Nov 24, 2014	34.99	35.68	34.53	35.48
3938	NASDAQ	MKSI	Fri, Nov 21, 2014	36.30	36.45	35.57	35.61
3937	NASDAQ	MKSI	Thu, Nov 20, 2014	35.57	36.38	35.33	35.88
3936	NASDAQ	MKSI	Wed, Nov 19, 2014	36.35	36.37	35.50	35.62
3935	NASDAQ	MKSI	Tue, Nov 18, 2014	36.18	36.65	36.18	36.27
3934	NASDAQ	MKSI	Mon, Nov 17, 2014	36.25	36.59	35.98	36.02
3933	NASDAQ	MKSI	Fri, Nov 14, 2014	36.60	36.76	36.06	36.28
3932	NASDAQ	MKSI	Thu, Nov 13, 2014	37.08	37.18	36.74	36.85
3931	NASDAQ	MKSI	Wed, Nov 12, 2014	36.65	37.09	36.60	36.94
3930	NASDAQ	MKSI	Tue, Nov 11, 2014	36.78	36.92	36.60	36.72
3929	NASDAQ	MKSI	Mon, Nov 10, 2014	36.09	36.80	36.09	36.80
3928	NASDAQ	MKSI	Fri, Nov 7, 2014	35.87	36.15	35.35	36.13
3927	NASDAQ	MKSI	Thu, Nov 6, 2014	36.44	36.74	35.94	35.95
3926	NASDAQ	MKSI	Wed, Nov 5, 2014	36.34	36.50	35.70	36.42
3925	NASDAQ	MKSI	Tue, Nov 4, 2014	35.89	36.32	35.67	36.18
3924	NASDAQ	MKSI	Mon, Nov 3, 2014	36.56	36.80	36.10	36.14
3923	NASDAQ	MKSI	Fri, Oct 31, 2014	36.71	36.96	35.94	36.40
3922	NASDAQ	MKSI	Thu, Oct 30, 2014	35.64	35.91	35.06	35.88
3921	NASDAQ	MKSI	Wed, Oct 29, 2014	35.78	36.09	35.42	35.73
3920	NASDAQ	MKSI	Tue, Oct 28, 2014	35.38	35.84	35.04	35.72
3919	NASDAQ	MKSI	Mon, Oct 27, 2014	35.02	35.32	34.71	35.11
3918	NASDAQ	MKSI	Fri, Oct 24, 2014	35.14	35.90	34.85	35.19
3917	NASDAQ	MKSI	Thu, Oct 23, 2014	34.50	35.03	34.10	34.96
3916	NASDAQ	MKSI	Wed, Oct 22, 2014	33.70	33.76	33.00	33.17
3915	NASDAQ	MKSI	Tue, Oct 21, 2014	33.19	33.75	32.51	33.51
3914	NASDAQ	MKSI	Mon, Oct 20, 2014	32.17	33.02	32.02	33.02
3913	NASDAQ	MKSI	Fri, Oct 17, 2014	33.27	33.43	32.39	32.42
3912	NASDAQ	MKSI	Thu, Oct 16, 2014	31.87	33.03	31.87	32.80
3911	NASDAQ	MKSI	Wed, Oct 15, 2014	30.97	32.45	30.52	32.35
3910	NASDAQ	MKSI	Tue, Oct 14, 2014	31.40	31.88	31.25	31.44
3909	NASDAQ	MKSI	Mon, Oct 13, 2014	31.40	32.19	30.92	31.10
3908	NASDAQ	MKSI	Fri, Oct 10, 2014	32.41	32.41	31.25	31.44
3907	NASDAQ	MKSI	Thu, Oct 9, 2014	33.60	33.60	32.59	32.59
3906	NASDAQ	MKSI	Wed, Oct 8, 2014	32.56	33.64	32.33	33.61
3905	NASDAQ	MKSI	Tue, Oct 7, 2014	32.92	33.11	32.50	32.50
3904	NASDAQ	MKSI	Mon, Oct 6, 2014	33.79	33.89	33.16	33.18
3903	NASDAQ	MKSI	Fri, Oct 3, 2014	33.89	33.96	33.43	33.75
3902	NASDAQ	MKSI	Thu, Oct 2, 2014	32.91	33.82	32.80	33.58
3901	NASDAQ	MKSI	Wed, Oct 1, 2014	33.40	33.45	32.83	33.00
3900	NASDAQ	MKSI	Tue, Sep 30, 2014	33.70	33.75	33.38	33.38
3899	NASDAQ	MKSI	Mon, Sep 29, 2014	33.37	33.82	33.37	33.76
3898	NASDAQ	MKSI	Fri, Sep 26, 2014	33.43	33.81	33.37	33.78
3897	NASDAQ	MKSI	Thu, Sep 25, 2014	33.82	33.87	33.14	33.34
3896	NASDAQ	MKSI	Wed, Sep 24, 2014	33.68	33.92	33.50	33.79
3895	NASDAQ	MKSI	Tue, Sep 23, 2014	33.75	34.03	33.50	33.54
3894	NASDAQ	MKSI	Mon, Sep 22, 2014	33.82	33.96	33.50	33.57
3893	NASDAQ	MKSI	Fri, Sep 19, 2014	34.49	34.89	33.97	34.04
3892	NASDAQ	MKSI	Thu, Sep 18, 2014	33.76	34.39	33.62	34.33
3891	NASDAQ	MKSI	Wed, Sep 17, 2014	33.73	33.97	33.56	33.63
3890	NASDAQ	MKSI	Tue, Sep 16, 2014	33.52	33.83	33.31	33.78
3889	NASDAQ	MKSI	Mon, Sep 15, 2014	34.01	34.23	33.28	33.53
3888	NASDAQ	MKSI	Fri, Sep 12, 2014	34.28	34.28	34.02	34.10
3887	NASDAQ	MKSI	Thu, Sep 11, 2014	33.83	34.26	33.74	34.19
3886	NASDAQ	MKSI	Wed, Sep 10, 2014	33.69	34.06	33.57	33.93
3885	NASDAQ	MKSI	Tue, Sep 9, 2014	33.94	34.09	33.66	33.71
3884	NASDAQ	MKSI	Mon, Sep 8, 2014	34.03	34.20	33.78	33.95
3883	NASDAQ	MKSI	Fri, Sep 5, 2014	33.55	34.02	33.37	33.99
3882	NASDAQ	MKSI	Thu, Sep 4, 2014	34.06	34.12	33.61	33.66
3881	NASDAQ	MKSI	Wed, Sep 3, 2014	34.38	34.39	33.66	33.90
3880	NASDAQ	MKSI	Tue, Sep 2, 2014	34.19	34.55	33.92	34.29
3879	NASDAQ	MKSI	Fri, Aug 29, 2014	33.74	34.03	33.59	33.94
3878	NASDAQ	MKSI	Thu, Aug 28, 2014	32.96	33.81	32.91	33.69
3877	NASDAQ	MKSI	Wed, Aug 27, 2014	33.24	33.36	33.17	33.31
3876	NASDAQ	MKSI	Tue, Aug 26, 2014	32.92	33.40	32.92	33.29
3875	NASDAQ	MKSI	Mon, Aug 25, 2014	33.09	33.09	32.70	32.85
3874	NASDAQ	MKSI	Fri, Aug 22, 2014	33.02	33.21	32.82	32.99
3873	NASDAQ	MKSI	Thu, Aug 21, 2014	33.05	33.26	32.68	33.03
3872	NASDAQ	MKSI	Wed, Aug 20, 2014	32.95	33.11	32.71	33.02
3871	NASDAQ	MKSI	Tue, Aug 19, 2014	33.27	33.56	32.91	32.98
3870	NASDAQ	MKSI	Mon, Aug 18, 2014	33.26	33.28	32.91	33.12
3869	NASDAQ	MKSI	Fri, Aug 15, 2014	33.00	33.29	32.43	32.88
3868	NASDAQ	MKSI	Thu, Aug 14, 2014	32.55	32.86	32.52	32.76
3867	NASDAQ	MKSI	Wed, Aug 13, 2014	32.67	32.85	32.36	32.61
3866	NASDAQ	MKSI	Tue, Aug 12, 2014	32.61	32.81	32.40	32.52
3865	NASDAQ	MKSI	Mon, Aug 11, 2014	32.63	32.95	32.30	32.74
3864	NASDAQ	MKSI	Fri, Aug 8, 2014	32.19	32.57	32.18	32.44
3863	NASDAQ	MKSI	Thu, Aug 7, 2014	32.63	32.67	32.03	32.21
3862	NASDAQ	MKSI	Wed, Aug 6, 2014	32.26	32.79	32.26	32.52
3861	NASDAQ	MKSI	Tue, Aug 5, 2014	32.09	32.54	32.01	32.39
3860	NASDAQ	MKSI	Mon, Aug 4, 2014	32.00	32.22	31.60	32.19
3859	NASDAQ	MKSI	Fri, Aug 1, 2014	31.87	31.96	31.48	31.89
3858	NASDAQ	MKSI	Thu, Jul 31, 2014	31.69	32.02	31.48	31.78
3857	NASDAQ	MKSI	Wed, Jul 30, 2014	31.99	32.16	31.67	32.04
3856	NASDAQ	MKSI	Tue, Jul 29, 2014	32.00	32.05	31.64	31.81
3855	NASDAQ	MKSI	Mon, Jul 28, 2014	31.53	32.08	30.95	32.00
3854	NASDAQ	MKSI	Fri, Jul 25, 2014	31.61	31.70	31.29	31.45
3853	NASDAQ	MKSI	Thu, Jul 24, 2014	32.50	32.94	31.83	32.00
3852	NASDAQ	MKSI	Wed, Jul 23, 2014	31.65	31.65	30.92	31.32
3851	NASDAQ	MKSI	Tue, Jul 22, 2014	31.74	31.81	31.46	31.59
3850	NASDAQ	MKSI	Mon, Jul 21, 2014	31.38	31.78	31.38	31.56
3849	NASDAQ	MKSI	Fri, Jul 18, 2014	31.25	31.55	31.20	31.46
3848	NASDAQ	MKSI	Thu, Jul 17, 2014	31.17	31.52	31.14	31.32
3847	NASDAQ	MKSI	Wed, Jul 16, 2014	31.48	31.56	31.19	31.46
3846	NASDAQ	MKSI	Tue, Jul 15, 2014	31.36	31.67	30.87	31.22
3845	NASDAQ	MKSI	Mon, Jul 14, 2014	32.01	32.01	31.36	31.48
3844	NASDAQ	MKSI	Fri, Jul 11, 2014	31.48	31.84	31.48	31.60
3843	NASDAQ	MKSI	Thu, Jul 10, 2014	31.39	31.96	31.13	31.68
3842	NASDAQ	MKSI	Wed, Jul 9, 2014	31.87	31.92	31.58	31.90
3841	NASDAQ	MKSI	Tue, Jul 8, 2014	31.54	31.82	31.29	31.69
3840	NASDAQ	MKSI	Mon, Jul 7, 2014	31.75	31.75	31.33	31.69
3839	NASDAQ	MKSI	Thu, Jul 3, 2014	31.75	31.94	31.32	31.78
3838	NASDAQ	MKSI	Wed, Jul 2, 2014	31.69	31.89	31.40	31.56
3837	NASDAQ	MKSI	Tue, Jul 1, 2014	31.41	32.22	31.41	31.73
3836	NASDAQ	MKSI	Mon, Jun 30, 2014	31.08	31.33	30.87	31.24
3835	NASDAQ	MKSI	Fri, Jun 27, 2014	30.32	31.04	30.32	30.95
3834	NASDAQ	MKSI	Thu, Jun 26, 2014	30.45	30.61	30.05	30.57
3833	NASDAQ	MKSI	Wed, Jun 25, 2014	30.16	30.57	30.00	30.52
3832	NASDAQ	MKSI	Tue, Jun 24, 2014	30.41	30.89	30.31	30.40
3831	NASDAQ	MKSI	Mon, Jun 23, 2014	30.47	30.72	30.05	30.55
3830	NASDAQ	MKSI	Fri, Jun 20, 2014	30.28	30.46	30.03	30.33
3829	NASDAQ	MKSI	Thu, Jun 19, 2014	30.16	30.25	29.87	30.16
3828	NASDAQ	MKSI	Wed, Jun 18, 2014	30.07	30.14	29.77	30.12
3827	NASDAQ	MKSI	Tue, Jun 17, 2014	29.48	30.15	29.30	30.05
3826	NASDAQ	MKSI	Mon, Jun 16, 2014	29.59	29.74	29.32	29.62
3825	NASDAQ	MKSI	Fri, Jun 13, 2014	29.74	29.80	29.42	29.64
3824	NASDAQ	MKSI	Thu, Jun 12, 2014	29.72	29.95	29.50	29.58
3823	NASDAQ	MKSI	Wed, Jun 11, 2014	29.60	30.01	29.60	29.88
3822	NASDAQ	MKSI	Tue, Jun 10, 2014	29.50	29.91	29.48	29.84
3821	NASDAQ	MKSI	Mon, Jun 9, 2014	29.45	29.87	29.45	29.79
3820	NASDAQ	MKSI	Fri, Jun 6, 2014	29.70	29.90	29.48	29.53
3819	NASDAQ	MKSI	Thu, Jun 5, 2014	28.44	29.85	28.72	29.52
3818	NASDAQ	MKSI	Wed, Jun 4, 2014	28.56	29.05	28.52	28.99
3817	NASDAQ	MKSI	Tue, Jun 3, 2014	28.37	29.06	28.37	28.83
3816	NASDAQ	MKSI	Mon, Jun 2, 2014	28.84	29.02	28.46	28.62
3815	NASDAQ	MKSI	Fri, May 30, 2014	28.99	29.19	28.81	28.85
3814	NASDAQ	MKSI	Thu, May 29, 2014	29.15	29.16	28.78	28.92
3813	NASDAQ	MKSI	Wed, May 28, 2014	28.74	29.35	29.00	29.16
3812	NASDAQ	MKSI	Tue, May 27, 2014	28.73	29.49	28.73	29.33
3811	NASDAQ	MKSI	Fri, May 23, 2014	28.48	28.86	27.26	28.79
3810	NASDAQ	MKSI	Thu, May 22, 2014	28.12	28.58	28.12	28.42
3809	NASDAQ	MKSI	Wed, May 21, 2014	27.78	28.27	27.74	28.11
3808	NASDAQ	MKSI	Tue, May 20, 2014	28.16	28.16	27.54	27.72
3807	NASDAQ	MKSI	Mon, May 19, 2014	27.64	28.48	27.61	28.32
3806	NASDAQ	MKSI	Fri, May 16, 2014	27.05	27.74	27.05	27.72
3805	NASDAQ	MKSI	Thu, May 15, 2014	27.14	27.29	26.80	27.09
3804	NASDAQ	MKSI	Wed, May 14, 2014	27.71	27.72	27.27	27.32
3803	NASDAQ	MKSI	Tue, May 13, 2014	28.46	28.61	27.81	27.83
3802	NASDAQ	MKSI	Mon, May 12, 2014	27.89	28.70	27.78	28.45
3801	NASDAQ	MKSI	Fri, May 9, 2014	27.06	27.80	27.03	27.69
3800	NASDAQ	MKSI	Thu, May 8, 2014	27.42	27.95	27.13	27.24
3799	NASDAQ	MKSI	Wed, May 7, 2014	27.29	27.38	26.80	27.38
3798	NASDAQ	MKSI	Tue, May 6, 2014	28.01	28.03	26.87	27.18
3797	NASDAQ	MKSI	Mon, May 5, 2014	28.00	28.50	27.81	28.23
3796	NASDAQ	MKSI	Fri, May 2, 2014	28.40	28.70	28.17	28.28
3795	NASDAQ	MKSI	Thu, May 1, 2014	28.02	28.76	27.81	28.40
3794	NASDAQ	MKSI	Wed, Apr 30, 2014	28.00	28.24	27.64	28.17
3793	NASDAQ	MKSI	Tue, Apr 29, 2014	28.01	28.27	27.69	28.05
3792	NASDAQ	MKSI	Mon, Apr 28, 2014	28.00	28.26	27.28	27.79
3791	NASDAQ	MKSI	Fri, Apr 25, 2014	28.97	29.16	27.57	27.99
3790	NASDAQ	MKSI	Thu, Apr 24, 2014	29.20	29.58	28.53	29.21
3789	NASDAQ	MKSI	Wed, Apr 23, 2014	29.00	29.22	28.64	29.00
3788	NASDAQ	MKSI	Tue, Apr 22, 2014	28.42	29.36	28.42	29.22
3787	NASDAQ	MKSI	Mon, Apr 21, 2014	28.48	28.61	28.18	28.40
3786	NASDAQ	MKSI	Thu, Apr 17, 2014	28.24	28.85	28.24	28.50
3785	NASDAQ	MKSI	Wed, Apr 16, 2014	28.72	28.91	27.79	28.28
3784	NASDAQ	MKSI	Tue, Apr 15, 2014	28.20	28.79	28.12	28.64
3783	NASDAQ	MKSI	Mon, Apr 14, 2014	28.19	28.42	27.88	28.15
3782	NASDAQ	MKSI	Fri, Apr 11, 2014	28.14	28.90	27.76	28.00
3781	NASDAQ	MKSI	Thu, Apr 10, 2014	29.24	29.42	28.39	28.43
3780	NASDAQ	MKSI	Wed, Apr 9, 2014	28.95	29.37	28.70	29.32
3779	NASDAQ	MKSI	Tue, Apr 8, 2014	29.06	29.38	28.75	28.83
3778	NASDAQ	MKSI	Mon, Apr 7, 2014	29.25	29.25	28.71	28.99
3777	NASDAQ	MKSI	Fri, Apr 4, 2014	31.01	31.01	29.23	29.38
3776	NASDAQ	MKSI	Thu, Apr 3, 2014	30.62	30.93	30.48	30.76
3775	NASDAQ	MKSI	Wed, Apr 2, 2014	30.51	30.91	30.23	30.70
3774	NASDAQ	MKSI	Tue, Apr 1, 2014	30.00	30.66	29.81	30.47
3773	NASDAQ	MKSI	Mon, Mar 31, 2014	29.10	30.42	29.10	29.89
3772	NASDAQ	MKSI	Fri, Mar 28, 2014	29.29	29.87	28.96	29.01
3771	NASDAQ	MKSI	Thu, Mar 27, 2014	29.53	29.85	29.15	29.34
3770	NASDAQ	MKSI	Wed, Mar 26, 2014	30.79	30.79	29.51	29.52
3769	NASDAQ	MKSI	Tue, Mar 25, 2014	30.81	30.91	30.41	30.53
3768	NASDAQ	MKSI	Mon, Mar 24, 2014	30.95	30.95	30.42	30.60
3767	NASDAQ	MKSI	Fri, Mar 21, 2014	31.31	31.85	30.66	30.86
3766	NASDAQ	MKSI	Thu, Mar 20, 2014	30.98	31.49	30.88	31.20
3765	NASDAQ	MKSI	Wed, Mar 19, 2014	30.99	31.30	30.82	31.04
3764	NASDAQ	MKSI	Tue, Mar 18, 2014	30.35	31.05	30.31	31.02
3763	NASDAQ	MKSI	Mon, Mar 17, 2014	30.27	30.60	30.13	30.26
3762	NASDAQ	MKSI	Fri, Mar 14, 2014	30.03	30.42	30.03	30.17
3761	NASDAQ	MKSI	Thu, Mar 13, 2014	30.85	30.86	30.02	30.18
3760	NASDAQ	MKSI	Wed, Mar 12, 2014	30.34	30.86	29.60	30.78
3759	NASDAQ	MKSI	Tue, Mar 11, 2014	30.72	30.95	30.38	30.53
3758	NASDAQ	MKSI	Mon, Mar 10, 2014	30.72	31.00	30.47	30.69
3757	NASDAQ	MKSI	Fri, Mar 7, 2014	30.80	31.00	30.50	30.76
3756	NASDAQ	MKSI	Thu, Mar 6, 2014	30.31	30.76	30.16	30.60
3755	NASDAQ	MKSI	Wed, Mar 5, 2014	30.46	30.57	30.24	30.33
3754	NASDAQ	MKSI	Tue, Mar 4, 2014	30.25	30.94	30.22	30.58
3753	NASDAQ	MKSI	Mon, Mar 3, 2014	29.86	30.06	29.55	29.87
3752	NASDAQ	MKSI	Fri, Feb 28, 2014	30.13	30.46	30.00	30.06
3751	NASDAQ	MKSI	Thu, Feb 27, 2014	29.83	30.41	29.70	30.05
3750	NASDAQ	MKSI	Wed, Feb 26, 2014	29.83	30.41	29.82	30.00
3749	NASDAQ	MKSI	Tue, Feb 25, 2014	30.09	30.16	29.68	29.77
3748	NASDAQ	MKSI	Mon, Feb 24, 2014	29.74	30.23	29.74	30.02
3747	NASDAQ	MKSI	Fri, Feb 21, 2014	30.27	30.36	29.59	29.69
3746	NASDAQ	MKSI	Thu, Feb 20, 2014	29.44	30.16	29.44	30.11
3745	NASDAQ	MKSI	Wed, Feb 19, 2014	29.74	30.10	29.33	29.55
3744	NASDAQ	MKSI	Tue, Feb 18, 2014	30.01	30.33	29.66	29.87
3743	NASDAQ	MKSI	Fri, Feb 14, 2014	29.76	29.99	29.46	29.88
3742	NASDAQ	MKSI	Thu, Feb 13, 2014	29.18	29.78	29.12	29.74
3741	NASDAQ	MKSI	Wed, Feb 12, 2014	29.25	29.77	29.25	29.44
3740	NASDAQ	MKSI	Tue, Feb 11, 2014	29.01	29.50	28.68	29.32
3739	NASDAQ	MKSI	Mon, Feb 10, 2014	28.95	29.04	28.52	29.04
3738	NASDAQ	MKSI	Fri, Feb 7, 2014	29.26	29.26	28.76	29.04
3737	NASDAQ	MKSI	Thu, Feb 6, 2014	29.25	29.33	29.00	29.10
3736	NASDAQ	MKSI	Wed, Feb 5, 2014	29.15	29.43	28.82	29.14
3735	NASDAQ	MKSI	Tue, Feb 4, 2014	29.75	29.75	29.18	29.20
3734	NASDAQ	MKSI	Mon, Feb 3, 2014	30.05	30.23	29.20	29.61
3733	NASDAQ	MKSI	Fri, Jan 31, 2014	29.97	30.60	29.80	30.13
3732	NASDAQ	MKSI	Wed, Jan 29, 2014	28.90	29.15	28.71	29.11
3731	NASDAQ	MKSI	Tue, Jan 28, 2014	29.04	29.10	28.72	29.08
3730	NASDAQ	MKSI	Mon, Jan 27, 2014	29.38	29.38	28.97	29.10
3729	NASDAQ	MKSI	Fri, Jan 24, 2014	29.63	29.63	29.09	29.26
3728	NASDAQ	MKSI	Thu, Jan 23, 2014	30.00	30.20	29.81	29.87
3727	NASDAQ	MKSI	Wed, Jan 22, 2014	29.67	30.29	29.63	30.17
3726	NASDAQ	MKSI	Tue, Jan 21, 2014	30.09	30.09	29.68	29.74
3725	NASDAQ	MKSI	Fri, Jan 17, 2014	30.14	30.28	29.84	29.96
3724	NASDAQ	MKSI	Thu, Jan 16, 2014	30.54	30.56	30.04	30.27
3723	NASDAQ	MKSI	Wed, Jan 15, 2014	30.60	30.96	30.52	30.73
3722	NASDAQ	MKSI	Tue, Jan 14, 2014	30.03	30.63	29.92	30.47
3721	NASDAQ	MKSI	Mon, Jan 13, 2014	30.13	30.45	29.63	29.91
3720	NASDAQ	MKSI	Fri, Jan 10, 2014	30.12	30.52	29.95	30.32
3719	NASDAQ	MKSI	Thu, Jan 9, 2014	30.39	30.43	29.94	30.26
3718	NASDAQ	MKSI	Wed, Jan 8, 2014	30.53	30.62	30.04	30.25
3717	NASDAQ	MKSI	Tue, Jan 7, 2014	30.08	30.74	30.04	30.49
3716	NASDAQ	MKSI	Mon, Jan 6, 2014	30.23	30.23	29.71	30.07
3715	NASDAQ	MKSI	Fri, Jan 3, 2014	29.87	30.59	29.87	30.18
3714	NASDAQ	MKSI	Thu, Jan 2, 2014	29.85	30.00	29.52	29.86
3713	NASDAQ	MKSI	Tue, Dec 31, 2013	29.72	30.02	29.60	29.92
3712	NASDAQ	MKSI	Mon, Dec 30, 2013	29.58	29.78	29.46	29.69
3711	NASDAQ	MKSI	Fri, Dec 27, 2013	29.78	29.79	29.47	29.68
3710	NASDAQ	MKSI	Thu, Dec 26, 2013	29.93	29.94	29.60	29.66
3709	NASDAQ	MKSI	Tue, Dec 24, 2013	29.73	29.90	29.71	29.82
3708	NASDAQ	MKSI	Mon, Dec 23, 2013	29.99	29.99	29.59	29.74
3707	NASDAQ	MKSI	Fri, Dec 20, 2013	29.43	29.97	29.29	29.92
3706	NASDAQ	MKSI	Thu, Dec 19, 2013	29.65	29.78	29.24	29.29
3705	NASDAQ	MKSI	Wed, Dec 18, 2013	29.58	29.78	29.21	29.77
3704	NASDAQ	MKSI	Tue, Dec 17, 2013	29.16	29.57	29.00	29.45
3703	NASDAQ	MKSI	Mon, Dec 16, 2013	28.64	29.43	28.64	29.16
3702	NASDAQ	MKSI	Fri, Dec 13, 2013	28.75	28.97	28.52	28.57
3701	NASDAQ	MKSI	Thu, Dec 12, 2013	28.91	29.10	28.61	28.66
3700	NASDAQ	MKSI	Wed, Dec 11, 2013	28.94	29.28	28.89	28.95
3699	NASDAQ	MKSI	Tue, Dec 10, 2013	29.06	29.36	28.64	28.89
3698	NASDAQ	MKSI	Mon, Dec 9, 2013	29.29	29.45	28.96	29.19
3697	NASDAQ	MKSI	Fri, Dec 6, 2013	29.23	29.55	29.18	29.34
3696	NASDAQ	MKSI	Thu, Dec 5, 2013	28.87	29.14	28.86	29.00
3695	NASDAQ	MKSI	Wed, Dec 4, 2013	29.28	29.45	28.57	28.87
3694	NASDAQ	MKSI	Tue, Dec 3, 2013	29.11	29.56	29.11	29.50
3693	NASDAQ	MKSI	Mon, Dec 2, 2013	29.78	29.79	29.09	29.24
3692	NASDAQ	MKSI	Fri, Nov 29, 2013	29.88	29.94	29.53	29.77
3691	NASDAQ	MKSI	Wed, Nov 27, 2013	29.62	29.95	29.29	29.70
3690	NASDAQ	MKSI	Tue, Nov 26, 2013	29.00	29.77	28.87	29.74
3689	NASDAQ	MKSI	Mon, Nov 25, 2013	29.07	29.24	28.92	29.04
3688	NASDAQ	MKSI	Fri, Nov 22, 2013	29.12	29.28	28.77	29.07
3687	NASDAQ	MKSI	Thu, Nov 21, 2013	28.56	29.03	28.56	29.02
3686	NASDAQ	MKSI	Wed, Nov 20, 2013	28.67	28.70	28.23	28.41
3685	NASDAQ	MKSI	Tue, Nov 19, 2013	29.01	29.02	28.34	28.50
3684	NASDAQ	MKSI	Mon, Nov 18, 2013	29.34	29.47	28.92	28.94
3683	NASDAQ	MKSI	Fri, Nov 15, 2013	29.47	29.60	28.81	29.21
3682	NASDAQ	MKSI	Thu, Nov 14, 2013	29.82	30.00	29.38	29.52
3681	NASDAQ	MKSI	Wed, Nov 13, 2013	29.21	29.86	29.21	29.84
3680	NASDAQ	MKSI	Tue, Nov 12, 2013	29.21	29.56	29.12	29.45
3679	NASDAQ	MKSI	Mon, Nov 11, 2013	29.54	29.69	29.30	29.36
3678	NASDAQ	MKSI	Fri, Nov 8, 2013	29.27	29.84	29.12	29.69
3677	NASDAQ	MKSI	Thu, Nov 7, 2013	29.59	29.75	29.09	29.29
3676	NASDAQ	MKSI	Wed, Nov 6, 2013	29.76	29.84	29.47	29.55
3675	NASDAQ	MKSI	Tue, Nov 5, 2013	29.38	29.70	28.95	29.53
3674	NASDAQ	MKSI	Mon, Nov 4, 2013	29.34	29.61	29.17	29.46
3673	NASDAQ	MKSI	Fri, Nov 1, 2013	29.59	29.72	29.10	29.16
3672	NASDAQ	MKSI	Thu, Oct 31, 2013	29.92	30.00	29.59	29.64
3671	NASDAQ	MKSI	Wed, Oct 30, 2013	30.11	30.22	29.66	29.84
3670	NASDAQ	MKSI	Tue, Oct 29, 2013	30.02	30.14	29.74	30.01
3669	NASDAQ	MKSI	Mon, Oct 28, 2013	30.50	30.69	29.93	30.01
3668	NASDAQ	MKSI	Fri, Oct 25, 2013	30.27	30.87	30.27	30.66
3667	NASDAQ	MKSI	Thu, Oct 24, 2013	30.25	31.00	29.12	30.11
3666	NASDAQ	MKSI	Wed, Oct 23, 2013	28.95	29.10	28.58	28.86
3665	NASDAQ	MKSI	Tue, Oct 22, 2013	29.64	29.64	29.04	29.09
3664	NASDAQ	MKSI	Mon, Oct 21, 2013	29.49	29.67	29.30	29.41
3663	NASDAQ	MKSI	Fri, Oct 18, 2013	28.99	29.46	28.67	29.39
3662	NASDAQ	MKSI	Thu, Oct 17, 2013	28.27	28.79	28.16	28.79
3661	NASDAQ	MKSI	Wed, Oct 16, 2013	28.22	28.58	28.03	28.51
3660	NASDAQ	MKSI	Tue, Oct 15, 2013	28.38	28.42	27.95	28.08
3659	NASDAQ	MKSI	Mon, Oct 14, 2013	27.95	28.43	27.95	28.41
3658	NASDAQ	MKSI	Fri, Oct 11, 2013	27.91	28.14	27.87	28.09
3657	NASDAQ	MKSI	Thu, Oct 10, 2013	27.96	28.43	27.62	28.01
3656	NASDAQ	MKSI	Wed, Oct 9, 2013	27.88	27.94	27.36	27.57
3655	NASDAQ	MKSI	Tue, Oct 8, 2013	27.60	27.98	27.58	27.84
3654	NASDAQ	MKSI	Mon, Oct 7, 2013	27.40	27.74	27.19	27.53
3653	NASDAQ	MKSI	Fri, Oct 4, 2013	27.00	27.49	26.97	27.40
3652	NASDAQ	MKSI	Thu, Oct 3, 2013	26.96	27.14	26.72	26.99
3651	NASDAQ	MKSI	Wed, Oct 2, 2013	26.90	27.14	26.53	27.02
3650	NASDAQ	MKSI	Tue, Oct 1, 2013	26.55	27.22	26.39	27.20
3649	NASDAQ	MKSI	Mon, Sep 30, 2013	26.18	26.70	26.16	26.59
3648	NASDAQ	MKSI	Fri, Sep 27, 2013	26.22	26.53	26.22	26.42
3647	NASDAQ	MKSI	Thu, Sep 26, 2013	26.35	26.57	26.26	26.45
3646	NASDAQ	MKSI	Wed, Sep 25, 2013	26.47	26.57	26.26	26.33
3645	NASDAQ	MKSI	Tue, Sep 24, 2013	26.67	26.77	26.19	26.45
3644	NASDAQ	MKSI	Mon, Sep 23, 2013	26.58	26.78	26.44	26.55
3643	NASDAQ	MKSI	Fri, Sep 20, 2013	26.42	26.80	26.30	26.55
3642	NASDAQ	MKSI	Thu, Sep 19, 2013	26.47	26.58	26.25	26.35
3641	NASDAQ	MKSI	Wed, Sep 18, 2013	26.53	26.70	26.22	26.46
3640	NASDAQ	MKSI	Tue, Sep 17, 2013	26.44	26.59	26.34	26.55
3639	NASDAQ	MKSI	Mon, Sep 16, 2013	26.48	26.50	26.02	26.45
3638	NASDAQ	MKSI	Fri, Sep 13, 2013	26.26	26.26	26.04	26.20
3637	NASDAQ	MKSI	Thu, Sep 12, 2013	26.30	26.41	26.07	26.12
3636	NASDAQ	MKSI	Wed, Sep 11, 2013	26.16	26.42	26.11	26.21
3635	NASDAQ	MKSI	Tue, Sep 10, 2013	26.31	26.37	26.05	26.22
3634	NASDAQ	MKSI	Mon, Sep 9, 2013	25.84	26.15	25.66	26.12
3633	NASDAQ	MKSI	Fri, Sep 6, 2013	25.89	26.01	25.22	25.67
3632	NASDAQ	MKSI	Thu, Sep 5, 2013	25.50	25.84	25.27	25.73
3631	NASDAQ	MKSI	Wed, Sep 4, 2013	24.88	25.57	24.82	25.53
3630	NASDAQ	MKSI	Tue, Sep 3, 2013	25.42	25.74	24.71	24.90
3629	NASDAQ	MKSI	Fri, Aug 30, 2013	25.49	25.50	25.05	25.05
3628	NASDAQ	MKSI	Thu, Aug 29, 2013	25.10	25.50	25.08	25.50
3627	NASDAQ	MKSI	Wed, Aug 28, 2013	25.24	25.44	25.00	25.10
3626	NASDAQ	MKSI	Tue, Aug 27, 2013	25.35	25.69	25.28	25.40
3625	NASDAQ	MKSI	Mon, Aug 26, 2013	25.75	26.00	25.52	25.68
3624	NASDAQ	MKSI	Fri, Aug 23, 2013	25.69	25.95	25.53	25.70
3623	NASDAQ	MKSI	Thu, Aug 22, 2013	25.28	25.70	25.21	25.63
3622	NASDAQ	MKSI	Wed, Aug 21, 2013	25.19	25.39	24.96	25.12
3621	NASDAQ	MKSI	Tue, Aug 20, 2013	25.05	25.28	24.98	25.23
3620	NASDAQ	MKSI	Mon, Aug 19, 2013	25.29	25.47	24.93	24.96
3619	NASDAQ	MKSI	Fri, Aug 16, 2013	25.65	25.95	25.21	25.26
3618	NASDAQ	MKSI	Thu, Aug 15, 2013	26.41	26.60	25.73	25.77
3617	NASDAQ	MKSI	Wed, Aug 14, 2013	26.98	27.07	26.73	26.78
3616	NASDAQ	MKSI	Tue, Aug 13, 2013	26.85	27.10	26.64	27.01
3615	NASDAQ	MKSI	Mon, Aug 12, 2013	26.50	26.94	26.50	26.89
3614	NASDAQ	MKSI	Fri, Aug 9, 2013	26.96	27.01	26.73	26.76
3613	NASDAQ	MKSI	Thu, Aug 8, 2013	27.24	27.24	26.99	27.10
3612	NASDAQ	MKSI	Wed, Aug 7, 2013	27.11	27.36	26.97	27.15
3611	NASDAQ	MKSI	Tue, Aug 6, 2013	27.23	27.38	27.09	27.25
3610	NASDAQ	MKSI	Mon, Aug 5, 2013	27.17	27.60	27.13	27.34
3609	NASDAQ	MKSI	Fri, Aug 2, 2013	27.12	27.33	26.86	27.22
3608	NASDAQ	MKSI	Thu, Aug 1, 2013	27.30	27.55	27.13	27.31
3607	NASDAQ	MKSI	Wed, Jul 31, 2013	27.34	27.51	27.11	27.12
3606	NASDAQ	MKSI	Tue, Jul 30, 2013	27.40	27.48	27.20	27.36
3605	NASDAQ	MKSI	Mon, Jul 29, 2013	27.22	27.47	27.15	27.21
3604	NASDAQ	MKSI	Fri, Jul 26, 2013	27.41	27.58	26.96	27.36
3603	NASDAQ	MKSI	Thu, Jul 25, 2013	27.71	27.80	27.01	27.74
3602	NASDAQ	MKSI	Wed, Jul 24, 2013	28.11	28.29	27.71	27.81
3601	NASDAQ	MKSI	Tue, Jul 23, 2013	28.37	28.37	27.95	28.01
3600	NASDAQ	MKSI	Mon, Jul 22, 2013	28.01	28.35	27.92	28.20
3599	NASDAQ	MKSI	Fri, Jul 19, 2013	28.18	28.32	27.99	28.15
3598	NASDAQ	MKSI	Thu, Jul 18, 2013	28.45	28.52	27.88	28.35
3597	NASDAQ	MKSI	Wed, Jul 17, 2013	28.83	28.83	28.20	28.43
3596	NASDAQ	MKSI	Tue, Jul 16, 2013	28.56	28.80	28.28	28.58
3595	NASDAQ	MKSI	Mon, Jul 15, 2013	28.77	28.97	28.40	28.62
3594	NASDAQ	MKSI	Fri, Jul 12, 2013	28.63	28.96	28.63	28.82
3593	NASDAQ	MKSI	Thu, Jul 11, 2013	28.64	28.80	28.32	28.72
3592	NASDAQ	MKSI	Wed, Jul 10, 2013	27.50	28.44	27.30	28.36
3591	NASDAQ	MKSI	Tue, Jul 9, 2013	27.22	27.60	27.00	27.50
3590	NASDAQ	MKSI	Mon, Jul 8, 2013	26.97	27.28	26.76	27.08
3589	NASDAQ	MKSI	Fri, Jul 5, 2013	27.01	27.01	26.38	26.97
3588	NASDAQ	MKSI	Wed, Jul 3, 2013	26.26	26.76	26.03	26.43
3587	NASDAQ	MKSI	Tue, Jul 2, 2013	26.43	26.84	26.18	26.36
3586	NASDAQ	MKSI	Mon, Jul 1, 2013	26.70	26.73	26.38	26.53
3585	NASDAQ	MKSI	Fri, Jun 28, 2013	26.80	26.89	26.51	26.54
3584	NASDAQ	MKSI	Thu, Jun 27, 2013	26.65	27.29	26.61	26.90
3583	NASDAQ	MKSI	Wed, Jun 26, 2013	26.73	26.84	26.25	26.49
3582	NASDAQ	MKSI	Tue, Jun 25, 2013	26.76	26.76	26.29	26.53
3581	NASDAQ	MKSI	Mon, Jun 24, 2013	26.75	27.28	26.51	26.54
3580	NASDAQ	MKSI	Fri, Jun 21, 2013	27.37	27.37	26.79	27.05
3579	NASDAQ	MKSI	Thu, Jun 20, 2013	27.43	27.59	27.04	27.25
3578	NASDAQ	MKSI	Wed, Jun 19, 2013	28.17	28.41	27.88	27.88
3577	NASDAQ	MKSI	Tue, Jun 18, 2013	27.85	28.34	27.85	28.26
3576	NASDAQ	MKSI	Mon, Jun 17, 2013	28.04	28.13	27.41	27.73
3575	NASDAQ	MKSI	Fri, Jun 14, 2013	28.15	28.31	27.63	27.75
3574	NASDAQ	MKSI	Thu, Jun 13, 2013	27.67	28.34	27.42	28.33
3573	NASDAQ	MKSI	Wed, Jun 12, 2013	28.41	28.54	27.71	27.72
3572	NASDAQ	MKSI	Tue, Jun 11, 2013	28.63	28.92	28.13	28.13
3571	NASDAQ	MKSI	Mon, Jun 10, 2013	28.18	29.02	28.07	28.96
3570	NASDAQ	MKSI	Fri, Jun 7, 2013	27.70	28.25	27.44	28.15
3569	NASDAQ	MKSI	Thu, Jun 6, 2013	27.80	28.00	27.12	27.43
3568	NASDAQ	MKSI	Wed, Jun 5, 2013	27.74	28.16	27.60	27.82
3567	NASDAQ	MKSI	Tue, Jun 4, 2013	28.09	28.47	27.61	27.86
3566	NASDAQ	MKSI	Mon, Jun 3, 2013	28.21	28.55	27.85	28.19
3565	NASDAQ	MKSI	Fri, May 31, 2013	27.98	28.34	27.98	28.15
3564	NASDAQ	MKSI	Thu, May 30, 2013	27.99	28.26	27.74	28.25
3563	NASDAQ	MKSI	Wed, May 29, 2013	27.93	28.10	27.64	27.98
3562	NASDAQ	MKSI	Tue, May 28, 2013	27.98	28.23	27.70	28.09
3561	NASDAQ	MKSI	Fri, May 24, 2013	27.36	27.62	27.30	27.49
3560	NASDAQ	MKSI	Thu, May 23, 2013	27.13	27.85	27.12	27.49
3559	NASDAQ	MKSI	Wed, May 22, 2013	28.04	28.26	27.22	27.37
3558	NASDAQ	MKSI	Tue, May 21, 2013	27.94	28.26	27.82	28.10
3557	NASDAQ	MKSI	Mon, May 20, 2013	27.61	28.00	27.61	27.99
3556	NASDAQ	MKSI	Fri, May 17, 2013	27.42	27.81	27.34	27.79
3555	NASDAQ	MKSI	Thu, May 16, 2013	27.52	27.63	27.27	27.31
3554	NASDAQ	MKSI	Wed, May 15, 2013	27.12	27.85	26.97	27.56
3553	NASDAQ	MKSI	Tue, May 14, 2013	27.07	27.69	26.99	27.28
3552	NASDAQ	MKSI	Mon, May 13, 2013	27.38	27.51	26.93	27.11
3551	NASDAQ	MKSI	Fri, May 10, 2013	27.52	27.67	27.37	27.51
3550	NASDAQ	MKSI	Thu, May 9, 2013	27.39	27.71	27.30	27.47
3549	NASDAQ	MKSI	Wed, May 8, 2013	27.30	27.50	27.12	27.49
3548	NASDAQ	MKSI	Tue, May 7, 2013	27.29	27.45	27.01	27.45
3547	NASDAQ	MKSI	Mon, May 6, 2013	27.45	27.49	27.05	27.16
3546	NASDAQ	MKSI	Fri, May 3, 2013	26.83	27.34	26.74	27.14
3545	NASDAQ	MKSI	Thu, May 2, 2013	25.92	26.57	25.63	26.40
3544	NASDAQ	MKSI	Wed, May 1, 2013	26.70	26.92	25.72	25.74
3543	NASDAQ	MKSI	Tue, Apr 30, 2013	26.82	26.95	26.51	26.87
3542	NASDAQ	MKSI	Mon, Apr 29, 2013	26.12	27.05	26.10	26.96
3541	NASDAQ	MKSI	Fri, Apr 26, 2013	26.27	26.54	26.08	26.13
3540	NASDAQ	MKSI	Thu, Apr 25, 2013	26.18	26.61	26.16	26.46
3539	NASDAQ	MKSI	Wed, Apr 24, 2013	25.96	26.21	25.85	26.16
3538	NASDAQ	MKSI	Tue, Apr 23, 2013	25.58	26.15	25.44	25.93
3537	NASDAQ	MKSI	Mon, Apr 22, 2013	25.39	25.39	24.64	25.30
3536	NASDAQ	MKSI	Fri, Apr 19, 2013	25.14	25.54	24.74	25.29
3535	NASDAQ	MKSI	Thu, Apr 18, 2013	25.37	25.70	25.01	25.12
3534	NASDAQ	MKSI	Wed, Apr 17, 2013	25.57	25.70	25.15	25.22
3533	NASDAQ	MKSI	Tue, Apr 16, 2013	25.75	25.96	25.29	25.89
3532	NASDAQ	MKSI	Mon, Apr 15, 2013	26.56	26.82	25.61	25.78
3531	NASDAQ	MKSI	Fri, Apr 12, 2013	26.73	26.90	26.41	26.66
3530	NASDAQ	MKSI	Thu, Apr 11, 2013	26.72	26.95	26.58	26.84
3529	NASDAQ	MKSI	Wed, Apr 10, 2013	26.07	26.96	25.97	26.86
3528	NASDAQ	MKSI	Tue, Apr 9, 2013	26.40	26.43	25.77	26.06
3527	NASDAQ	MKSI	Mon, Apr 8, 2013	26.07	26.35	25.84	26.35
3526	NASDAQ	MKSI	Fri, Apr 5, 2013	26.10	26.69	25.84	25.95
3525	NASDAQ	MKSI	Thu, Apr 4, 2013	25.97	26.77	25.78	26.62
3524	NASDAQ	MKSI	Wed, Apr 3, 2013	26.29	26.55	25.81	25.95
3523	NASDAQ	MKSI	Tue, Apr 2, 2013	26.93	27.04	26.08	26.31
3522	NASDAQ	MKSI	Mon, Apr 1, 2013	27.10	27.24	26.52	26.83
3521	NASDAQ	MKSI	Thu, Mar 28, 2013	26.97	27.35	26.79	27.20
3520	NASDAQ	MKSI	Wed, Mar 27, 2013	26.53	26.95	26.36	26.90
3519	NASDAQ	MKSI	Tue, Mar 26, 2013	26.86	27.11	26.68	26.82
3518	NASDAQ	MKSI	Mon, Mar 25, 2013	26.75	27.03	26.58	26.75
3517	NASDAQ	MKSI	Fri, Mar 22, 2013	26.66	26.83	26.49	26.59
3516	NASDAQ	MKSI	Thu, Mar 21, 2013	26.30	26.69	26.12	26.60
3515	NASDAQ	MKSI	Wed, Mar 20, 2013	26.33	26.63	26.10	26.55
3514	NASDAQ	MKSI	Tue, Mar 19, 2013	26.46	26.51	25.74	26.10
3513	NASDAQ	MKSI	Mon, Mar 18, 2013	26.82	26.94	26.35	26.46
3512	NASDAQ	MKSI	Fri, Mar 15, 2013	27.63	27.79	27.03	27.18
3511	NASDAQ	MKSI	Thu, Mar 14, 2013	27.43	27.74	27.40	27.74
3510	NASDAQ	MKSI	Wed, Mar 13, 2013	27.25	27.44	27.01	27.44
3509	NASDAQ	MKSI	Tue, Mar 12, 2013	27.65	27.88	27.12	27.31
3508	NASDAQ	MKSI	Mon, Mar 11, 2013	27.49	27.88	27.27	27.76
3507	NASDAQ	MKSI	Fri, Mar 8, 2013	27.98	27.99	27.24	27.69
3506	NASDAQ	MKSI	Thu, Mar 7, 2013	27.89	27.95	27.47	27.73
3505	NASDAQ	MKSI	Wed, Mar 6, 2013	27.55	27.64	27.30	27.57
3504	NASDAQ	MKSI	Tue, Mar 5, 2013	27.20	27.56	27.20	27.45
3503	NASDAQ	MKSI	Mon, Mar 4, 2013	26.90	27.12	26.62	26.96
3502	NASDAQ	MKSI	Fri, Mar 1, 2013	26.86	27.07	26.47	26.91
3501	NASDAQ	MKSI	Thu, Feb 28, 2013	27.06	27.48	26.96	27.14
3500	NASDAQ	MKSI	Wed, Feb 27, 2013	27.07	27.20	26.89	27.02
3499	NASDAQ	MKSI	Tue, Feb 26, 2013	27.13	27.45	27.00	27.24
3498	NASDAQ	MKSI	Mon, Feb 25, 2013	27.95	28.13	26.83	26.92
3497	NASDAQ	MKSI	Fri, Feb 22, 2013	27.45	28.05	27.29	27.78
3496	NASDAQ	MKSI	Thu, Feb 21, 2013	27.46	27.61	26.91	27.23
3495	NASDAQ	MKSI	Wed, Feb 20, 2013	28.34	28.34	27.38	27.40
3494	NASDAQ	MKSI	Tue, Feb 19, 2013	28.06	28.52	28.06	28.34
3493	NASDAQ	MKSI	Fri, Feb 15, 2013	28.56	28.56	27.97	28.07
3492	NASDAQ	MKSI	Thu, Feb 14, 2013	28.32	28.44	28.15	28.40
3491	NASDAQ	MKSI	Wed, Feb 13, 2013	28.65	28.66	28.05	28.31
3490	NASDAQ	MKSI	Tue, Feb 12, 2013	27.89	28.84	27.78	28.70
3489	NASDAQ	MKSI	Mon, Feb 11, 2013	27.87	27.87	27.51	27.72
3488	NASDAQ	MKSI	Fri, Feb 8, 2013	28.00	28.34	27.65	27.83
3487	NASDAQ	MKSI	Thu, Feb 7, 2013	28.10	28.29	27.81	28.04
3486	NASDAQ	MKSI	Wed, Feb 6, 2013	27.97	28.18	27.79	28.09
3485	NASDAQ	MKSI	Tue, Feb 5, 2013	27.92	28.21	27.77	28.12
3484	NASDAQ	MKSI	Mon, Feb 4, 2013	28.11	28.35	27.58	27.63
3483	NASDAQ	MKSI	Fri, Feb 1, 2013	27.97	28.53	27.97	28.45
3482	NASDAQ	MKSI	Thu, Jan 31, 2013	29.45	29.45	27.66	27.80
3481	NASDAQ	MKSI	Wed, Jan 30, 2013	27.49	27.81	27.31	27.55
3480	NASDAQ	MKSI	Tue, Jan 29, 2013	28.81	28.81	27.36	27.58
3479	NASDAQ	MKSI	Mon, Jan 28, 2013	28.75	29.08	28.54	28.94
3478	NASDAQ	MKSI	Fri, Jan 25, 2013	28.20	28.81	27.88	28.76
3477	NASDAQ	MKSI	Thu, Jan 24, 2013	27.67	28.22	27.59	27.99
3476	NASDAQ	MKSI	Wed, Jan 23, 2013	27.75	27.84	27.54	27.75
3475	NASDAQ	MKSI	Tue, Jan 22, 2013	27.65	27.78	27.37	27.76
3474	NASDAQ	MKSI	Fri, Jan 18, 2013	27.52	27.71	27.20	27.70
3473	NASDAQ	MKSI	Thu, Jan 17, 2013	26.86	27.37	26.86	27.32
3472	NASDAQ	MKSI	Wed, Jan 16, 2013	26.87	26.95	26.78	26.84
3471	NASDAQ	MKSI	Tue, Jan 15, 2013	26.78	27.02	26.60	26.97
3470	NASDAQ	MKSI	Mon, Jan 14, 2013	26.93	27.07	26.77	27.00
3469	NASDAQ	MKSI	Fri, Jan 11, 2013	26.99	27.10	26.66	27.06
3468	NASDAQ	MKSI	Thu, Jan 10, 2013	26.88	26.94	26.56	26.94
3467	NASDAQ	MKSI	Wed, Jan 9, 2013	26.55	26.88	26.51	26.70
3466	NASDAQ	MKSI	Tue, Jan 8, 2013	26.79	27.06	26.05	26.53
3465	NASDAQ	MKSI	Mon, Jan 7, 2013	25.97	26.23	25.67	26.00
3464	NASDAQ	MKSI	Fri, Jan 4, 2013	26.74	26.82	25.88	26.27
3463	NASDAQ	MKSI	Thu, Jan 3, 2013	27.35	27.35	26.42	26.60
3462	NASDAQ	MKSI	Wed, Jan 2, 2013	26.33	26.92	26.31	26.89
3461	NASDAQ	MKSI	Mon, Dec 31, 2012	25.19	25.78	24.93	25.78
3460	NASDAQ	MKSI	Fri, Dec 28, 2012	25.33	25.49	25.11	25.12
3459	NASDAQ	MKSI	Thu, Dec 27, 2012	25.55	25.71	25.24	25.50
3458	NASDAQ	MKSI	Wed, Dec 26, 2012	25.74	25.87	25.30	25.46
3457	NASDAQ	MKSI	Mon, Dec 24, 2012	25.68	25.79	25.33	25.73
3456	NASDAQ	MKSI	Fri, Dec 21, 2012	25.24	25.77	24.96	25.72
3455	NASDAQ	MKSI	Thu, Dec 20, 2012	25.36	25.75	25.21	25.45
3454	NASDAQ	MKSI	Wed, Dec 19, 2012	25.43	25.60	25.19	25.42
3453	NASDAQ	MKSI	Tue, Dec 18, 2012	24.81	25.37	24.71	25.35
3452	NASDAQ	MKSI	Mon, Dec 17, 2012	24.92	25.03	24.71	24.81
3451	NASDAQ	MKSI	Fri, Dec 14, 2012	24.64	24.98	24.32	24.75
3450	NASDAQ	MKSI	Thu, Dec 13, 2012	24.76	25.00	24.47	24.75
3449	NASDAQ	MKSI	Wed, Dec 12, 2012	25.00	25.26	24.66	24.74
3448	NASDAQ	MKSI	Tue, Dec 11, 2012	24.85	25.07	24.57	24.99
3447	NASDAQ	MKSI	Mon, Dec 10, 2012	24.57	24.92	24.13	24.71
3446	NASDAQ	MKSI	Fri, Dec 7, 2012	24.68	24.76	24.34	24.57
3445	NASDAQ	MKSI	Thu, Dec 6, 2012	24.58	24.64	24.44	24.57
3444	NASDAQ	MKSI	Wed, Dec 5, 2012	24.61	24.85	24.34	24.52
3443	NASDAQ	MKSI	Tue, Dec 4, 2012	23.98	24.75	23.86	24.53
3442	NASDAQ	MKSI	Mon, Dec 3, 2012	24.37	24.39	23.84	24.02
3441	NASDAQ	MKSI	Fri, Nov 30, 2012	24.54	24.54	24.23	24.25
3440	NASDAQ	MKSI	Thu, Nov 29, 2012	24.22	24.50	23.87	24.44
3439	NASDAQ	MKSI	Wed, Nov 28, 2012	23.45	24.01	23.11	23.94
3438	NASDAQ	MKSI	Tue, Nov 27, 2012	24.08	24.33	23.76	23.77
3437	NASDAQ	MKSI	Mon, Nov 26, 2012	24.28	24.39	23.90	24.15
3436	NASDAQ	MKSI	Fri, Nov 23, 2012	24.21	24.45	24.13	24.29
3435	NASDAQ	MKSI	Wed, Nov 21, 2012	23.99	24.20	23.78	24.08
3434	NASDAQ	MKSI	Tue, Nov 20, 2012	23.88	24.16	23.63	24.03
3433	NASDAQ	MKSI	Mon, Nov 19, 2012	24.15	24.29	23.85	24.01
3432	NASDAQ	MKSI	Fri, Nov 16, 2012	23.02	24.10	23.02	23.97
3431	NASDAQ	MKSI	Thu, Nov 15, 2012	22.72	22.98	22.60	22.74
3430	NASDAQ	MKSI	Wed, Nov 14, 2012	23.00	23.04	22.61	22.69
3429	NASDAQ	MKSI	Tue, Nov 13, 2012	22.93	23.17	22.85	22.87
3428	NASDAQ	MKSI	Mon, Nov 12, 2012	23.19	23.72	22.83	23.11
3427	NASDAQ	MKSI	Fri, Nov 9, 2012	22.82	23.55	22.65	23.03
3426	NASDAQ	MKSI	Thu, Nov 8, 2012	22.94	23.09	22.74	22.93
3425	NASDAQ	MKSI	Wed, Nov 7, 2012	23.65	23.80	22.86	23.01
3424	NASDAQ	MKSI	Tue, Nov 6, 2012	23.90	24.29	23.26	23.89
3423	NASDAQ	MKSI	Mon, Nov 5, 2012	23.58	24.02	23.51	23.88
3422	NASDAQ	MKSI	Fri, Nov 2, 2012	24.26	24.62	23.51	23.51
3421	NASDAQ	MKSI	Thu, Nov 1, 2012	23.59	24.58	23.59	24.27
3420	NASDAQ	MKSI	Wed, Oct 31, 2012	23.41	23.85	23.39	23.61
3419	NASDAQ	MKSI	Fri, Oct 26, 2012	23.07	23.50	22.84	23.43
3418	NASDAQ	MKSI	Thu, Oct 25, 2012	23.40	23.92	22.45	22.99
3417	NASDAQ	MKSI	Wed, Oct 24, 2012	23.66	23.93	23.60	23.78
3416	NASDAQ	MKSI	Tue, Oct 23, 2012	23.22	23.51	23.13	23.49
3415	NASDAQ	MKSI	Mon, Oct 22, 2012	23.35	23.61	23.31	23.42
3414	NASDAQ	MKSI	Fri, Oct 19, 2012	23.75	23.80	23.25	23.44
3413	NASDAQ	MKSI	Thu, Oct 18, 2012	24.15	24.25	23.66	23.95
3412	NASDAQ	MKSI	Wed, Oct 17, 2012	23.89	24.18	23.73	24.17
3411	NASDAQ	MKSI	Tue, Oct 16, 2012	23.11	23.97	23.02	23.91
3410	NASDAQ	MKSI	Mon, Oct 15, 2012	22.88	23.04	22.72	22.93
3409	NASDAQ	MKSI	Fri, Oct 12, 2012	23.02	23.18	22.79	22.87
3408	NASDAQ	MKSI	Thu, Oct 11, 2012	23.35	23.40	23.01	23.10
3407	NASDAQ	MKSI	Wed, Oct 10, 2012	23.05	23.31	23.00	23.14
3406	NASDAQ	MKSI	Tue, Oct 9, 2012	23.34	23.74	23.00	23.07
3405	NASDAQ	MKSI	Mon, Oct 8, 2012	23.55	23.88	23.34	23.36
3404	NASDAQ	MKSI	Fri, Oct 5, 2012	23.64	24.10	23.57	23.73
3403	NASDAQ	MKSI	Thu, Oct 4, 2012	23.89	24.03	23.35	23.49
3402	NASDAQ	MKSI	Wed, Oct 3, 2012	23.65	23.88	23.21	23.75
3401	NASDAQ	MKSI	Tue, Oct 2, 2012	24.14	24.73	23.55	23.65
3400	NASDAQ	MKSI	Mon, Oct 1, 2012	25.49	25.55	25.03	25.13
3399	NASDAQ	MKSI	Fri, Sep 28, 2012	25.49	25.98	25.03	25.49
3398	NASDAQ	MKSI	Thu, Sep 27, 2012	25.22	25.80	25.22	25.66
3397	NASDAQ	MKSI	Wed, Sep 26, 2012	25.30	25.35	24.92	25.16
3396	NASDAQ	MKSI	Tue, Sep 25, 2012	25.60	25.73	25.08	25.29
3395	NASDAQ	MKSI	Mon, Sep 24, 2012	25.69	25.73	25.21	25.46
3394	NASDAQ	MKSI	Fri, Sep 21, 2012	26.24	26.24	25.66	25.87
3393	NASDAQ	MKSI	Thu, Sep 20, 2012	26.13	26.20	25.73	25.81
3392	NASDAQ	MKSI	Wed, Sep 19, 2012	27.10	27.22	25.94	26.21
3391	NASDAQ	MKSI	Tue, Sep 18, 2012	27.60	27.64	27.17	27.29
3390	NASDAQ	MKSI	Mon, Sep 17, 2012	27.82	27.86	27.47	27.56
3389	NASDAQ	MKSI	Fri, Sep 14, 2012	27.89	28.31	27.70	28.04
3388	NASDAQ	MKSI	Thu, Sep 13, 2012	27.74	28.24	27.33	27.86
3387	NASDAQ	MKSI	Wed, Sep 12, 2012	27.65	27.95	27.54	27.75
3386	NASDAQ	MKSI	Tue, Sep 11, 2012	27.53	27.83	27.44	27.66
3385	NASDAQ	MKSI	Mon, Sep 10, 2012	27.68	27.92	27.43	27.50
3384	NASDAQ	MKSI	Fri, Sep 7, 2012	27.87	27.91	27.41	27.76
3383	NASDAQ	MKSI	Thu, Sep 6, 2012	27.15	28.18	27.05	27.93
3382	NASDAQ	MKSI	Wed, Sep 5, 2012	27.30	27.36	26.42	26.94
3381	NASDAQ	MKSI	Tue, Sep 4, 2012	26.76	27.29	26.40	27.20
3380	NASDAQ	MKSI	Fri, Aug 31, 2012	26.89	27.25	26.82	27.11
3379	NASDAQ	MKSI	Thu, Aug 30, 2012	26.99	27.04	26.78	26.78
3378	NASDAQ	MKSI	Wed, Aug 29, 2012	27.21	27.45	27.10	27.17
3377	NASDAQ	MKSI	Tue, Aug 28, 2012	27.16	27.66	27.03	27.35
3376	NASDAQ	MKSI	Mon, Aug 27, 2012	27.01	27.28	26.35	27.09
3375	NASDAQ	MKSI	Fri, Aug 24, 2012	26.48	26.83	26.34	26.78
3374	NASDAQ	MKSI	Thu, Aug 23, 2012	26.83	27.02	26.50	26.71
3373	NASDAQ	MKSI	Wed, Aug 22, 2012	26.93	27.09	26.68	26.94
3372	NASDAQ	MKSI	Tue, Aug 21, 2012	27.36	27.56	26.95	27.07
3371	NASDAQ	MKSI	Mon, Aug 20, 2012	27.45	27.58	27.08	27.24
3370	NASDAQ	MKSI	Fri, Aug 17, 2012	27.46	27.71	27.43	27.64
3369	NASDAQ	MKSI	Thu, Aug 16, 2012	26.79	27.91	26.24	27.57
3368	NASDAQ	MKSI	Wed, Aug 15, 2012	26.12	26.78	26.12	26.74
3367	NASDAQ	MKSI	Tue, Aug 14, 2012	27.03	27.23	26.11	26.23
3366	NASDAQ	MKSI	Mon, Aug 13, 2012	26.92	27.17	26.33	26.94
3365	NASDAQ	MKSI	Fri, Aug 10, 2012	26.95	27.28	26.61	27.00
3364	NASDAQ	MKSI	Thu, Aug 9, 2012	27.37	27.51	26.88	26.93
3363	NASDAQ	MKSI	Wed, Aug 8, 2012	27.11	27.57	27.08	27.35
3362	NASDAQ	MKSI	Tue, Aug 7, 2012	26.88	27.40	26.54	27.28
3361	NASDAQ	MKSI	Mon, Aug 6, 2012	26.36	26.83	26.17	26.62
3360	NASDAQ	MKSI	Fri, Aug 3, 2012	26.01	26.49	25.69	26.35
3359	NASDAQ	MKSI	Thu, Aug 2, 2012	25.63	26.16	25.25	25.67
3358	NASDAQ	MKSI	Wed, Aug 1, 2012	26.46	26.75	25.81	25.81
3357	NASDAQ	MKSI	Tue, Jul 31, 2012	26.47	26.97	26.16	26.40
3356	NASDAQ	MKSI	Mon, Jul 30, 2012	26.45	26.82	26.14	26.33
3355	NASDAQ	MKSI	Fri, Jul 27, 2012	26.20	26.58	25.84	26.47
3354	NASDAQ	MKSI	Thu, Jul 26, 2012	24.25	27.43	24.18	26.23
3353	NASDAQ	MKSI	Wed, Jul 25, 2012	25.75	26.36	25.53	26.32
3352	NASDAQ	MKSI	Tue, Jul 24, 2012	25.93	25.95	25.30	25.48
3351	NASDAQ	MKSI	Mon, Jul 23, 2012	25.79	26.11	25.37	25.94
3350	NASDAQ	MKSI	Fri, Jul 20, 2012	26.51	26.70	26.15	26.32
3349	NASDAQ	MKSI	Thu, Jul 19, 2012	27.01	27.01	26.42	26.80
3348	NASDAQ	MKSI	Wed, Jul 18, 2012	26.17	27.13	26.06	26.85
3347	NASDAQ	MKSI	Tue, Jul 17, 2012	26.60	26.69	26.03	26.29
3346	NASDAQ	MKSI	Mon, Jul 16, 2012	26.76	27.01	26.42	26.53
3345	NASDAQ	MKSI	Fri, Jul 13, 2012	26.52	27.72	26.52	26.84
3344	NASDAQ	MKSI	Thu, Jul 12, 2012	26.97	27.00	26.35	26.49
3343	NASDAQ	MKSI	Wed, Jul 11, 2012	27.47	27.67	27.14	27.17
3342	NASDAQ	MKSI	Tue, Jul 10, 2012	27.76	27.99	27.15	27.38
3341	NASDAQ	MKSI	Mon, Jul 9, 2012	28.53	28.61	27.71	27.76
3340	NASDAQ	MKSI	Fri, Jul 6, 2012	29.00	29.00	28.71	28.72
3339	NASDAQ	MKSI	Thu, Jul 5, 2012	29.22	29.75	28.88	29.35
3338	NASDAQ	MKSI	Tue, Jul 3, 2012	28.95	29.50	28.64	29.43
3337	NASDAQ	MKSI	Mon, Jul 2, 2012	28.86	28.93	28.47	28.93
3336	NASDAQ	MKSI	Fri, Jun 29, 2012	28.70	28.95	28.50	28.86
3335	NASDAQ	MKSI	Thu, Jun 28, 2012	27.79	28.24	27.59	28.18
3334	NASDAQ	MKSI	Wed, Jun 27, 2012	27.75	28.29	27.72	27.93
3333	NASDAQ	MKSI	Tue, Jun 26, 2012	27.45	27.92	27.26	27.76
3332	NASDAQ	MKSI	Mon, Jun 25, 2012	27.36	27.58	27.12	27.35
3331	NASDAQ	MKSI	Fri, Jun 22, 2012	27.33	27.90	27.20	27.86
3330	NASDAQ	MKSI	Thu, Jun 21, 2012	28.14	28.24	27.09	27.14
3329	NASDAQ	MKSI	Wed, Jun 20, 2012	28.41	28.49	27.83	28.19
3328	NASDAQ	MKSI	Tue, Jun 19, 2012	28.05	28.55	27.77	28.32
3327	NASDAQ	MKSI	Mon, Jun 18, 2012	27.64	28.10	27.64	27.86
3326	NASDAQ	MKSI	Fri, Jun 15, 2012	27.47	28.28	27.33	27.94
3325	NASDAQ	MKSI	Thu, Jun 14, 2012	27.31	27.62	27.05	27.53
3324	NASDAQ	MKSI	Wed, Jun 13, 2012	27.17	27.60	26.90	27.29
3323	NASDAQ	MKSI	Tue, Jun 12, 2012	26.72	27.32	26.36	27.27
3322	NASDAQ	MKSI	Mon, Jun 11, 2012	27.93	27.93	26.60	26.62
3321	NASDAQ	MKSI	Fri, Jun 8, 2012	26.78	27.66	26.66	27.54
3320	NASDAQ	MKSI	Thu, Jun 7, 2012	27.40	27.69	26.72	26.94
3319	NASDAQ	MKSI	Wed, Jun 6, 2012	26.44	27.05	26.13	26.99
3318	NASDAQ	MKSI	Tue, Jun 5, 2012	25.73	26.36	25.63	26.32
3317	NASDAQ	MKSI	Mon, Jun 4, 2012	25.77	26.26	25.61	25.80
3316	NASDAQ	MKSI	Fri, Jun 1, 2012	25.51	26.11	25.43	25.89
3315	NASDAQ	MKSI	Thu, May 31, 2012	26.12	26.36	25.77	26.15
3314	NASDAQ	MKSI	Wed, May 30, 2012	25.99	26.38	25.63	26.17
3313	NASDAQ	MKSI	Tue, May 29, 2012	26.00	26.56	26.00	26.43
3312	NASDAQ	MKSI	Fri, May 25, 2012	25.27	25.92	25.27	25.81
3311	NASDAQ	MKSI	Thu, May 24, 2012	24.42	25.37	24.35	25.35
3310	NASDAQ	MKSI	Wed, May 23, 2012	24.45	24.95	23.93	24.44
3309	NASDAQ	MKSI	Tue, May 22, 2012	25.20	25.28	24.52	24.77
3308	NASDAQ	MKSI	Mon, May 21, 2012	24.65	25.28	24.42	25.22
3307	NASDAQ	MKSI	Fri, May 18, 2012	24.72	25.00	24.50	24.57
3306	NASDAQ	MKSI	Thu, May 17, 2012	25.15	25.35	24.69	24.77
3305	NASDAQ	MKSI	Wed, May 16, 2012	25.68	25.88	25.03	25.05
3304	NASDAQ	MKSI	Tue, May 15, 2012	25.74	26.17	25.54	25.63
3303	NASDAQ	MKSI	Mon, May 14, 2012	25.60	26.01	25.55	25.78
3302	NASDAQ	MKSI	Fri, May 11, 2012	25.60	26.15	25.60	25.86
3301	NASDAQ	MKSI	Thu, May 10, 2012	25.78	25.97	25.37	25.82
3300	NASDAQ	MKSI	Wed, May 9, 2012	25.23	25.82	25.13	25.59
3299	NASDAQ	MKSI	Tue, May 8, 2012	25.99	26.12	25.18	25.65
3298	NASDAQ	MKSI	Mon, May 7, 2012	26.23	26.55	26.02	26.26
3297	NASDAQ	MKSI	Fri, May 4, 2012	26.53	26.53	26.12	26.26
3296	NASDAQ	MKSI	Thu, May 3, 2012	27.35	27.36	26.66	26.75
3295	NASDAQ	MKSI	Wed, May 2, 2012	27.01	27.47	26.77	27.45
3294	NASDAQ	MKSI	Tue, May 1, 2012	27.56	28.34	27.25	27.39
3293	NASDAQ	MKSI	Mon, Apr 30, 2012	27.92	28.05	27.54	27.65
3292	NASDAQ	MKSI	Fri, Apr 27, 2012	27.80	28.01	27.50	27.92
3291	NASDAQ	MKSI	Thu, Apr 26, 2012	27.90	28.06	27.26	27.83
3290	NASDAQ	MKSI	Wed, Apr 25, 2012	27.50	28.29	27.36	28.15
3289	NASDAQ	MKSI	Tue, Apr 24, 2012	27.06	27.43	26.92	27.20
3288	NASDAQ	MKSI	Mon, Apr 23, 2012	27.27	27.43	26.93	27.12
3287	NASDAQ	MKSI	Fri, Apr 20, 2012	28.42	28.42	27.71	27.80
3286	NASDAQ	MKSI	Thu, Apr 19, 2012	27.97	28.43	27.50	27.84
3285	NASDAQ	MKSI	Wed, Apr 18, 2012	27.98	27.98	27.31	27.85
3284	NASDAQ	MKSI	Tue, Apr 17, 2012	27.68	28.55	27.68	28.23
3283	NASDAQ	MKSI	Mon, Apr 16, 2012	27.51	27.79	27.09	27.55
3282	NASDAQ	MKSI	Fri, Apr 13, 2012	28.28	28.29	27.43	27.43
3281	NASDAQ	MKSI	Thu, Apr 12, 2012	27.95	28.65	27.89	28.45
3280	NASDAQ	MKSI	Wed, Apr 11, 2012	27.51	27.91	27.34	27.80
3279	NASDAQ	MKSI	Tue, Apr 10, 2012	27.50	27.73	26.95	27.15
3278	NASDAQ	MKSI	Mon, Apr 9, 2012	27.46	27.86	27.23	27.66
3277	NASDAQ	MKSI	Thu, Apr 5, 2012	27.86	28.04	27.76	27.85
3276	NASDAQ	MKSI	Wed, Apr 4, 2012	28.53	28.63	27.94	28.11
3275	NASDAQ	MKSI	Tue, Apr 3, 2012	29.54	29.75	28.78	28.94
3274	NASDAQ	MKSI	Mon, Apr 2, 2012	29.39	29.74	29.02	29.70
3273	NASDAQ	MKSI	Fri, Mar 30, 2012	29.92	29.92	29.44	29.53
3272	NASDAQ	MKSI	Thu, Mar 29, 2012	29.30	29.74	29.08	29.64
3271	NASDAQ	MKSI	Wed, Mar 28, 2012	30.05	30.33	29.47	29.58
3270	NASDAQ	MKSI	Tue, Mar 27, 2012	30.25	30.61	29.99	30.10
3269	NASDAQ	MKSI	Mon, Mar 26, 2012	30.00	30.33	29.68	30.18
3268	NASDAQ	MKSI	Fri, Mar 23, 2012	29.24	29.76	28.75	29.68
3267	NASDAQ	MKSI	Thu, Mar 22, 2012	29.06	29.28	28.93	29.07
3266	NASDAQ	MKSI	Wed, Mar 21, 2012	29.77	29.88	29.44	29.45
3265	NASDAQ	MKSI	Tue, Mar 20, 2012	29.47	30.00	29.47	29.79
3264	NASDAQ	MKSI	Mon, Mar 19, 2012	29.45	29.91	29.26	29.77
3263	NASDAQ	MKSI	Fri, Mar 16, 2012	29.96	29.97	29.54	29.60
3262	NASDAQ	MKSI	Thu, Mar 15, 2012	29.15	29.97	29.13	29.97
3261	NASDAQ	MKSI	Wed, Mar 14, 2012	28.96	29.30	28.87	29.28
3260	NASDAQ	MKSI	Tue, Mar 13, 2012	28.85	29.18	28.72	29.16
3259	NASDAQ	MKSI	Mon, Mar 12, 2012	29.03	29.14	28.40	28.64
3258	NASDAQ	MKSI	Fri, Mar 9, 2012	28.92	29.37	28.58	29.04
3257	NASDAQ	MKSI	Thu, Mar 8, 2012	28.66	29.15	28.28	29.00
3256	NASDAQ	MKSI	Wed, Mar 7, 2012	28.34	28.76	28.15	28.52
3255	NASDAQ	MKSI	Tue, Mar 6, 2012	28.02	28.64	27.72	28.31
3254	NASDAQ	MKSI	Mon, Mar 5, 2012	29.18	29.38	28.44	28.46
3253	NASDAQ	MKSI	Fri, Mar 2, 2012	30.15	30.34	29.13	29.29
3252	NASDAQ	MKSI	Thu, Mar 1, 2012	30.22	30.90	29.99	30.33
3251	NASDAQ	MKSI	Wed, Feb 29, 2012	30.64	30.88	29.92	29.95
3250	NASDAQ	MKSI	Tue, Feb 28, 2012	30.93	31.07	30.46	30.63
3249	NASDAQ	MKSI	Mon, Feb 27, 2012	30.70	31.32	30.41	30.96
3248	NASDAQ	MKSI	Fri, Feb 24, 2012	31.45	31.65	30.80	30.93
3247	NASDAQ	MKSI	Thu, Feb 23, 2012	31.50	31.65	31.22	31.46
3246	NASDAQ	MKSI	Wed, Feb 22, 2012	31.20	31.60	31.06	31.40
3245	NASDAQ	MKSI	Tue, Feb 21, 2012	31.83	31.87	31.12	31.32
3244	NASDAQ	MKSI	Fri, Feb 17, 2012	32.13	32.15	31.65	31.68
3243	NASDAQ	MKSI	Thu, Feb 16, 2012	31.23	31.94	31.23	31.90
3242	NASDAQ	MKSI	Wed, Feb 15, 2012	31.68	32.05	31.18	31.33
3241	NASDAQ	MKSI	Tue, Feb 14, 2012	31.84	31.84	30.97	31.57
3240	NASDAQ	MKSI	Mon, Feb 13, 2012	31.59	32.13	31.22	32.12
3239	NASDAQ	MKSI	Fri, Feb 10, 2012	31.24	31.36	30.94	31.17
3238	NASDAQ	MKSI	Thu, Feb 9, 2012	31.90	31.95	31.45	31.61
3237	NASDAQ	MKSI	Wed, Feb 8, 2012	31.80	32.20	31.59	31.90
3236	NASDAQ	MKSI	Tue, Feb 7, 2012	31.82	32.20	31.77	31.82
3235	NASDAQ	MKSI	Mon, Feb 6, 2012	32.12	32.16	31.59	31.96
3234	NASDAQ	MKSI	Fri, Feb 3, 2012	32.44	32.72	31.97	32.17
3233	NASDAQ	MKSI	Thu, Feb 2, 2012	34.99	34.99	31.35	31.70
3232	NASDAQ	MKSI	Wed, Feb 1, 2012	30.28	31.77	30.28	31.62
3231	NASDAQ	MKSI	Tue, Jan 31, 2012	30.69	30.69	30.08	30.15
3230	NASDAQ	MKSI	Mon, Jan 30, 2012	30.21	30.67	29.93	30.45
3229	NASDAQ	MKSI	Fri, Jan 27, 2012	30.41	30.74	30.38	30.61
3228	NASDAQ	MKSI	Thu, Jan 26, 2012	30.41	30.64	30.16	30.43
3227	NASDAQ	MKSI	Wed, Jan 25, 2012	30.10	30.47	29.76	30.22
3226	NASDAQ	MKSI	Tue, Jan 24, 2012	29.68	30.12	29.68	30.08
3225	NASDAQ	MKSI	Mon, Jan 23, 2012	29.62	30.03	29.50	29.78
3224	NASDAQ	MKSI	Fri, Jan 20, 2012	29.47	29.77	29.14	29.68
3223	NASDAQ	MKSI	Thu, Jan 19, 2012	29.87	29.90	29.53	29.62
3222	NASDAQ	MKSI	Wed, Jan 18, 2012	29.16	29.69	28.87	29.59
3221	NASDAQ	MKSI	Tue, Jan 17, 2012	29.10	29.43	28.95	29.14
3220	NASDAQ	MKSI	Fri, Jan 13, 2012	28.85	29.22	28.85	28.98
3219	NASDAQ	MKSI	Thu, Jan 12, 2012	28.99	29.27	28.69	29.27
3218	NASDAQ	MKSI	Wed, Jan 11, 2012	28.45	28.99	28.37	28.89
3217	NASDAQ	MKSI	Tue, Jan 10, 2012	28.63	28.83	28.27	28.43
3216	NASDAQ	MKSI	Mon, Jan 9, 2012	28.14	28.50	27.78	28.26
3215	NASDAQ	MKSI	Fri, Jan 6, 2012	27.89	28.31	27.51	27.95
3214	NASDAQ	MKSI	Thu, Jan 5, 2012	27.75	28.10	27.33	27.96
3213	NASDAQ	MKSI	Wed, Jan 4, 2012	27.93	28.26	27.48	27.97
3212	NASDAQ	MKSI	Tue, Jan 3, 2012	28.78	28.99	28.03	28.10
3211	NASDAQ	MKSI	Fri, Dec 30, 2011	28.56	28.68	27.80	27.82
3210	NASDAQ	MKSI	Thu, Dec 29, 2011	28.09	28.71	28.08	28.65
3209	NASDAQ	MKSI	Wed, Dec 28, 2011	28.67	28.67	27.83	27.95
3208	NASDAQ	MKSI	Tue, Dec 27, 2011	28.18	28.89	28.03	28.52
3207	NASDAQ	MKSI	Fri, Dec 23, 2011	28.52	28.52	27.98	28.36
3206	NASDAQ	MKSI	Thu, Dec 22, 2011	28.12	28.55	28.02	28.39
3205	NASDAQ	MKSI	Wed, Dec 21, 2011	28.00	28.13	27.05	28.01
3204	NASDAQ	MKSI	Tue, Dec 20, 2011	27.00	28.37	27.00	28.03
3203	NASDAQ	MKSI	Mon, Dec 19, 2011	27.19	27.66	26.14	26.29
3202	NASDAQ	MKSI	Fri, Dec 16, 2011	27.07	27.51	26.53	26.89
3201	NASDAQ	MKSI	Thu, Dec 15, 2011	26.48	26.96	26.33	26.84
3200	NASDAQ	MKSI	Wed, Dec 14, 2011	26.08	26.48	25.82	25.93
3199	NASDAQ	MKSI	Tue, Dec 13, 2011	26.94	27.19	26.19	26.33
3198	NASDAQ	MKSI	Mon, Dec 12, 2011	27.47	27.47	26.21	26.62
3197	NASDAQ	MKSI	Fri, Dec 9, 2011	26.88	28.18	26.72	27.97
3196	NASDAQ	MKSI	Thu, Dec 8, 2011	27.37	27.98	26.69	26.69
3195	NASDAQ	MKSI	Wed, Dec 7, 2011	27.39	27.83	26.83	27.72
3194	NASDAQ	MKSI	Tue, Dec 6, 2011	27.01	27.84	27.01	27.70
3193	NASDAQ	MKSI	Mon, Dec 5, 2011	26.75	27.08	26.44	27.07
3192	NASDAQ	MKSI	Fri, Dec 2, 2011	26.75	26.93	26.09	26.10
3191	NASDAQ	MKSI	Thu, Dec 1, 2011	26.72	26.92	26.27	26.35
3190	NASDAQ	MKSI	Wed, Nov 30, 2011	25.81	26.88	25.25	26.86
3189	NASDAQ	MKSI	Tue, Nov 29, 2011	24.51	25.41	24.42	24.78
3188	NASDAQ	MKSI	Mon, Nov 28, 2011	23.23	24.35	23.23	24.34
3187	NASDAQ	MKSI	Fri, Nov 25, 2011	23.42	23.72	22.57	22.60
3186	NASDAQ	MKSI	Wed, Nov 23, 2011	23.85	24.22	23.40	23.45
3185	NASDAQ	MKSI	Tue, Nov 22, 2011	24.84	25.19	24.02	24.04
3184	NASDAQ	MKSI	Mon, Nov 21, 2011	24.92	25.23	24.58	24.77
3183	NASDAQ	MKSI	Fri, Nov 18, 2011	26.11	26.22	25.24	25.48
3182	NASDAQ	MKSI	Thu, Nov 17, 2011	26.28	26.55	25.47	26.12
3181	NASDAQ	MKSI	Wed, Nov 16, 2011	26.61	27.17	26.17	26.41
3180	NASDAQ	MKSI	Tue, Nov 15, 2011	26.98	27.28	26.75	27.05
3179	NASDAQ	MKSI	Mon, Nov 14, 2011	27.90	28.04	26.88	27.05
3178	NASDAQ	MKSI	Fri, Nov 11, 2011	26.99	28.24	26.87	28.14
3177	NASDAQ	MKSI	Thu, Nov 10, 2011	26.53	27.08	26.26	26.62
3176	NASDAQ	MKSI	Wed, Nov 9, 2011	27.45	27.63	26.07	26.12
3175	NASDAQ	MKSI	Tue, Nov 8, 2011	27.44	28.37	27.38	28.27
3174	NASDAQ	MKSI	Mon, Nov 7, 2011	27.26	27.29	26.54	27.23
3173	NASDAQ	MKSI	Fri, Nov 4, 2011	26.52	27.56	26.50	27.44
3172	NASDAQ	MKSI	Thu, Nov 3, 2011	26.88	27.23	26.11	26.85
3171	NASDAQ	MKSI	Wed, Nov 2, 2011	26.65	26.72	25.90	26.49
3170	NASDAQ	MKSI	Tue, Nov 1, 2011	25.54	26.58	25.00	26.18
3169	NASDAQ	MKSI	Mon, Oct 31, 2011	26.80	27.26	26.47	26.64
3168	NASDAQ	MKSI	Fri, Oct 28, 2011	27.38	27.71	26.76	27.26
3167	NASDAQ	MKSI	Thu, Oct 27, 2011	26.77	27.78	26.22	27.40
3166	NASDAQ	MKSI	Wed, Oct 26, 2011	25.91	26.18	25.15	25.89
3165	NASDAQ	MKSI	Tue, Oct 25, 2011	26.05	26.05	25.40	25.49
3164	NASDAQ	MKSI	Mon, Oct 24, 2011	25.36	26.43	25.29	26.41
3163	NASDAQ	MKSI	Fri, Oct 21, 2011	25.08	25.36	24.91	25.19
3162	NASDAQ	MKSI	Thu, Oct 20, 2011	22.49	24.78	22.16	24.54
3161	NASDAQ	MKSI	Wed, Oct 19, 2011	24.91	25.09	24.46	24.63
3160	NASDAQ	MKSI	Tue, Oct 18, 2011	23.98	24.99	23.66	24.91
3159	NASDAQ	MKSI	Mon, Oct 17, 2011	24.54	24.54	23.35	23.88
3158	NASDAQ	MKSI	Fri, Oct 14, 2011	24.84	24.96	24.03	24.78
3157	NASDAQ	MKSI	Thu, Oct 13, 2011	23.98	24.72	23.88	24.56
3156	NASDAQ	MKSI	Wed, Oct 12, 2011	23.47	24.35	23.47	24.16
3155	NASDAQ	MKSI	Tue, Oct 11, 2011	23.62	23.69	23.10	23.32
3154	NASDAQ	MKSI	Mon, Oct 10, 2011	23.37	23.96	23.02	23.72
3153	NASDAQ	MKSI	Fri, Oct 7, 2011	23.30	23.70	22.64	22.94
3152	NASDAQ	MKSI	Thu, Oct 6, 2011	22.86	23.24	22.40	23.17
3151	NASDAQ	MKSI	Wed, Oct 5, 2011	22.28	23.06	21.93	22.85
3150	NASDAQ	MKSI	Tue, Oct 4, 2011	20.13	22.36	20.01	22.28
3149	NASDAQ	MKSI	Mon, Oct 3, 2011	21.42	21.88	20.22	20.23
3148	NASDAQ	MKSI	Fri, Sep 30, 2011	21.89	22.37	21.68	21.71
3147	NASDAQ	MKSI	Thu, Sep 29, 2011	22.49	22.80	21.47	22.21
3146	NASDAQ	MKSI	Wed, Sep 28, 2011	22.62	22.83	21.95	21.95
3145	NASDAQ	MKSI	Tue, Sep 27, 2011	22.18	23.36	21.90	22.59
3144	NASDAQ	MKSI	Mon, Sep 26, 2011	21.84	22.11	20.96	21.67
3143	NASDAQ	MKSI	Fri, Sep 23, 2011	21.46	22.36	21.40	21.85
3142	NASDAQ	MKSI	Thu, Sep 22, 2011	22.06	22.26	21.16	21.48
3141	NASDAQ	MKSI	Wed, Sep 21, 2011	22.93	23.15	22.31	22.45
3140	NASDAQ	MKSI	Tue, Sep 20, 2011	23.75	23.97	22.91	22.93
3139	NASDAQ	MKSI	Mon, Sep 19, 2011	24.14	24.15	23.28	23.64
3138	NASDAQ	MKSI	Fri, Sep 16, 2011	25.14	25.14	24.51	24.65
3137	NASDAQ	MKSI	Thu, Sep 15, 2011	24.50	25.02	24.25	24.92
3136	NASDAQ	MKSI	Wed, Sep 14, 2011	23.92	24.48	23.53	24.23
3135	NASDAQ	MKSI	Tue, Sep 13, 2011	22.88	23.84	22.83	23.76
3134	NASDAQ	MKSI	Mon, Sep 12, 2011	22.27	22.86	22.12	22.84
3133	NASDAQ	MKSI	Fri, Sep 9, 2011	22.61	22.99	22.05	22.43
3132	NASDAQ	MKSI	Thu, Sep 8, 2011	23.52	23.84	22.49	22.80
3131	NASDAQ	MKSI	Wed, Sep 7, 2011	22.55	23.91	22.55	23.77
3130	NASDAQ	MKSI	Tue, Sep 6, 2011	21.39	22.21	21.38	22.16
3129	NASDAQ	MKSI	Fri, Sep 2, 2011	21.99	22.68	21.63	22.10
3128	NASDAQ	MKSI	Thu, Sep 1, 2011	23.27	23.60	22.43	22.53
3127	NASDAQ	MKSI	Wed, Aug 31, 2011	23.82	23.99	22.97	23.22
3126	NASDAQ	MKSI	Tue, Aug 30, 2011	23.90	24.09	23.44	23.62
3125	NASDAQ	MKSI	Mon, Aug 29, 2011	23.50	24.36	23.50	24.21
3124	NASDAQ	MKSI	Fri, Aug 26, 2011	22.45	23.33	22.13	23.25
3123	NASDAQ	MKSI	Thu, Aug 25, 2011	23.68	24.35	22.51	22.67
3122	NASDAQ	MKSI	Wed, Aug 24, 2011	23.29	23.85	23.21	23.61
3121	NASDAQ	MKSI	Tue, Aug 23, 2011	22.48	23.30	22.35	23.27
3120	NASDAQ	MKSI	Mon, Aug 22, 2011	22.57	22.73	21.72	22.31
3119	NASDAQ	MKSI	Fri, Aug 19, 2011	21.65	22.28	21.65	21.99
3118	NASDAQ	MKSI	Thu, Aug 18, 2011	22.50	22.50	21.75	22.06
3117	NASDAQ	MKSI	Wed, Aug 17, 2011	23.20	23.49	22.93	23.14
3116	NASDAQ	MKSI	Tue, Aug 16, 2011	23.63	23.73	22.65	23.11
3115	NASDAQ	MKSI	Mon, Aug 15, 2011	23.01	23.87	23.01	23.87
3114	NASDAQ	MKSI	Fri, Aug 12, 2011	23.55	23.91	22.60	22.90
3113	NASDAQ	MKSI	Thu, Aug 11, 2011	22.38	23.72	22.19	23.40
3112	NASDAQ	MKSI	Wed, Aug 10, 2011	22.05	23.09	21.46	22.23
3111	NASDAQ	MKSI	Tue, Aug 9, 2011	22.61	24.66	21.07	22.54
3110	NASDAQ	MKSI	Mon, Aug 8, 2011	22.95	23.75	22.10	22.18
3109	NASDAQ	MKSI	Fri, Aug 5, 2011	24.22	24.72	22.89	23.81
3108	NASDAQ	MKSI	Thu, Aug 4, 2011	24.42	24.65	23.90	23.93
3107	NASDAQ	MKSI	Wed, Aug 3, 2011	24.57	24.87	23.84	24.79
3106	NASDAQ	MKSI	Tue, Aug 2, 2011	24.94	25.40	24.52	24.59
3105	NASDAQ	MKSI	Mon, Aug 1, 2011	25.29	25.47	24.82	25.09
3104	NASDAQ	MKSI	Fri, Jul 29, 2011	24.87	25.32	24.52	24.95
3103	NASDAQ	MKSI	Thu, Jul 28, 2011	25.40	25.76	24.92	25.03
3102	NASDAQ	MKSI	Wed, Jul 27, 2011	25.92	26.07	24.96	25.31
3101	NASDAQ	MKSI	Tue, Jul 26, 2011	26.27	26.41	25.97	25.99
3100	NASDAQ	MKSI	Mon, Jul 25, 2011	26.28	26.58	25.91	26.19
3099	NASDAQ	MKSI	Fri, Jul 22, 2011	27.12	27.19	25.98	26.76
3098	NASDAQ	MKSI	Thu, Jul 21, 2011	23.54	27.75	23.54	27.12
3097	NASDAQ	MKSI	Wed, Jul 20, 2011	25.54	25.73	24.96	25.08
3096	NASDAQ	MKSI	Tue, Jul 19, 2011	25.16	25.67	25.14	25.56
3095	NASDAQ	MKSI	Mon, Jul 18, 2011	25.16	25.25	24.72	25.02
3094	NASDAQ	MKSI	Fri, Jul 15, 2011	24.81	25.46	24.77	25.26
3093	NASDAQ	MKSI	Thu, Jul 14, 2011	24.86	25.25	24.73	25.06
3092	NASDAQ	MKSI	Wed, Jul 13, 2011	25.29	25.61	24.76	24.86
3091	NASDAQ	MKSI	Tue, Jul 12, 2011	26.00	26.00	25.10	25.23
3090	NASDAQ	MKSI	Mon, Jul 11, 2011	25.63	26.30	25.52	26.04
3089	NASDAQ	MKSI	Fri, Jul 8, 2011	26.00	26.24	25.72	26.15
3088	NASDAQ	MKSI	Thu, Jul 7, 2011	26.57	26.72	26.17	26.39
3087	NASDAQ	MKSI	Wed, Jul 6, 2011	26.41	26.50	25.95	26.23
3086	NASDAQ	MKSI	Tue, Jul 5, 2011	26.93	26.99	26.29	26.52
3085	NASDAQ	MKSI	Fri, Jul 1, 2011	26.49	26.98	25.98	26.90
3084	NASDAQ	MKSI	Thu, Jun 30, 2011	25.86	26.47	25.77	26.42
3083	NASDAQ	MKSI	Wed, Jun 29, 2011	25.68	25.89	25.33	25.83
3082	NASDAQ	MKSI	Tue, Jun 28, 2011	25.26	25.55	25.14	25.54
3081	NASDAQ	MKSI	Mon, Jun 27, 2011	25.02	25.39	24.85	25.24
3080	NASDAQ	MKSI	Fri, Jun 24, 2011	25.31	25.40	24.82	25.08
3079	NASDAQ	MKSI	Thu, Jun 23, 2011	24.24	25.30	24.07	25.26
3078	NASDAQ	MKSI	Wed, Jun 22, 2011	24.56	24.94	24.42	24.58
3077	NASDAQ	MKSI	Tue, Jun 21, 2011	24.31	24.70	24.14	24.65
3076	NASDAQ	MKSI	Mon, Jun 20, 2011	23.88	24.34	23.76	24.15
3075	NASDAQ	MKSI	Fri, Jun 17, 2011	23.86	24.08	23.66	24.04
3074	NASDAQ	MKSI	Thu, Jun 16, 2011	23.89	24.10	23.43	23.65
3073	NASDAQ	MKSI	Wed, Jun 15, 2011	23.42	24.24	23.37	24.00
3072	NASDAQ	MKSI	Tue, Jun 14, 2011	24.64	25.00	24.54	24.92
3071	NASDAQ	MKSI	Mon, Jun 13, 2011	24.53	24.62	24.37	24.40
3070	NASDAQ	MKSI	Fri, Jun 10, 2011	24.60	24.60	24.23	24.49
3069	NASDAQ	MKSI	Thu, Jun 9, 2011	24.63	24.67	24.42	24.64
3068	NASDAQ	MKSI	Wed, Jun 8, 2011	24.58	25.02	24.35	24.54
3067	NASDAQ	MKSI	Tue, Jun 7, 2011	24.86	24.90	24.60	24.75
3066	NASDAQ	MKSI	Mon, Jun 6, 2011	24.78	25.00	24.56	24.61
3065	NASDAQ	MKSI	Fri, Jun 3, 2011	25.01	25.18	24.63	24.85
3064	NASDAQ	MKSI	Thu, Jun 2, 2011	25.38	25.58	25.15	25.46
3063	NASDAQ	MKSI	Wed, Jun 1, 2011	26.23	26.31	25.28	25.44
3062	NASDAQ	MKSI	Tue, May 31, 2011	26.13	26.31	25.94	26.30
3061	NASDAQ	MKSI	Fri, May 27, 2011	25.81	26.00	25.54	25.66
3060	NASDAQ	MKSI	Thu, May 26, 2011	25.69	25.96	25.44	25.76
3059	NASDAQ	MKSI	Wed, May 25, 2011	25.21	26.14	25.15	25.88
3058	NASDAQ	MKSI	Tue, May 24, 2011	25.61	25.61	25.24	25.32
3057	NASDAQ	MKSI	Mon, May 23, 2011	25.24	25.70	25.20	25.55
3056	NASDAQ	MKSI	Fri, May 20, 2011	25.60	26.06	25.58	25.74
3055	NASDAQ	MKSI	Thu, May 19, 2011	26.15	26.31	25.26	25.63
3054	NASDAQ	MKSI	Wed, May 18, 2011	25.82	26.36	25.75	26.19
3053	NASDAQ	MKSI	Tue, May 17, 2011	25.56	25.96	25.37	25.77
3052	NASDAQ	MKSI	Mon, May 16, 2011	26.25	26.69	25.67	25.71
3051	NASDAQ	MKSI	Fri, May 13, 2011	26.77	27.20	26.45	26.46
3050	NASDAQ	MKSI	Thu, May 12, 2011	26.47	26.98	26.20	26.79
3049	NASDAQ	MKSI	Wed, May 11, 2011	27.11	27.29	26.51	26.59
3048	NASDAQ	MKSI	Tue, May 10, 2011	27.05	27.59	27.00	27.24
3047	NASDAQ	MKSI	Mon, May 9, 2011	26.75	27.03	26.51	26.98
3046	NASDAQ	MKSI	Fri, May 6, 2011	26.45	26.98	26.29	26.77
3045	NASDAQ	MKSI	Thu, May 5, 2011	25.60	26.46	25.30	26.03
3044	NASDAQ	MKSI	Wed, May 4, 2011	25.96	26.71	25.61	25.75
3043	NASDAQ	MKSI	Tue, May 3, 2011	26.43	26.67	25.66	25.85
3042	NASDAQ	MKSI	Mon, May 2, 2011	28.43	28.49	26.12	26.27
3041	NASDAQ	MKSI	Fri, Apr 29, 2011	28.39	28.80	28.28	28.38
3040	NASDAQ	MKSI	Thu, Apr 28, 2011	28.72	28.96	28.25	28.29
3039	NASDAQ	MKSI	Wed, Apr 27, 2011	28.40	28.92	28.02	28.71
3038	NASDAQ	MKSI	Tue, Apr 26, 2011	28.32	28.87	27.92	28.31
3037	NASDAQ	MKSI	Mon, Apr 25, 2011	28.67	29.06	28.26	28.30
3036	NASDAQ	MKSI	Thu, Apr 21, 2011	29.44	29.44	28.43	28.85
3035	NASDAQ	MKSI	Wed, Apr 20, 2011	29.52	30.00	29.25	29.54
3034	NASDAQ	MKSI	Tue, Apr 19, 2011	28.86	29.20	28.35	28.79
3033	NASDAQ	MKSI	Mon, Apr 18, 2011	29.32	29.32	28.50	28.86
3032	NASDAQ	MKSI	Fri, Apr 15, 2011	29.52	29.87	29.35	29.73
3031	NASDAQ	MKSI	Thu, Apr 14, 2011	29.32	29.62	29.00	29.53
3030	NASDAQ	MKSI	Wed, Apr 13, 2011	30.43	30.50	29.45	29.54
3029	NASDAQ	MKSI	Tue, Apr 12, 2011	31.40	31.40	30.06	30.09
3028	NASDAQ	MKSI	Mon, Apr 11, 2011	32.22	32.39	31.49	31.56
3027	NASDAQ	MKSI	Fri, Apr 8, 2011	32.79	32.89	31.75	32.03
3026	NASDAQ	MKSI	Thu, Apr 7, 2011	33.85	33.85	32.44	32.44
3025	NASDAQ	MKSI	Wed, Apr 6, 2011	33.61	33.80	33.18	33.69
3024	NASDAQ	MKSI	Tue, Apr 5, 2011	33.26	33.83	32.92	33.34
3023	NASDAQ	MKSI	Mon, Apr 4, 2011	33.58	33.69	32.86	33.30
3022	NASDAQ	MKSI	Fri, Apr 1, 2011	33.68	33.70	33.11	33.25
3021	NASDAQ	MKSI	Thu, Mar 31, 2011	33.61	33.66	32.96	33.30
3020	NASDAQ	MKSI	Wed, Mar 30, 2011	32.91	33.68	32.57	33.60
3019	NASDAQ	MKSI	Tue, Mar 29, 2011	32.05	32.95	31.50	32.79
3018	NASDAQ	MKSI	Mon, Mar 28, 2011	31.12	32.70	31.12	32.32
3017	NASDAQ	MKSI	Fri, Mar 25, 2011	32.19	32.78	31.85	31.86
3016	NASDAQ	MKSI	Thu, Mar 24, 2011	31.48	32.06	31.02	31.94
3015	NASDAQ	MKSI	Wed, Mar 23, 2011	31.12	31.15	30.66	30.94
3014	NASDAQ	MKSI	Tue, Mar 22, 2011	31.30	31.48	31.01	31.17
3013	NASDAQ	MKSI	Mon, Mar 21, 2011	31.21	31.52	30.69	30.99
3012	NASDAQ	MKSI	Fri, Mar 18, 2011	30.66	30.81	29.98	30.65
3011	NASDAQ	MKSI	Thu, Mar 17, 2011	29.18	29.46	28.84	29.06
3010	NASDAQ	MKSI	Wed, Mar 16, 2011	28.65	28.99	28.13	28.51
3009	NASDAQ	MKSI	Tue, Mar 15, 2011	27.95	29.04	27.15	28.73
3008	NASDAQ	MKSI	Mon, Mar 14, 2011	28.79	29.36	28.43	29.02
3007	NASDAQ	MKSI	Fri, Mar 11, 2011	29.24	29.39	28.64	29.06
3006	NASDAQ	MKSI	Thu, Mar 10, 2011	30.01	30.44	29.29	29.53
3005	NASDAQ	MKSI	Wed, Mar 9, 2011	31.63	31.63	30.38	30.59
3004	NASDAQ	MKSI	Tue, Mar 8, 2011	31.58	32.25	30.72	31.79
3003	NASDAQ	MKSI	Mon, Mar 7, 2011	32.17	32.24	30.79	31.52
3002	NASDAQ	MKSI	Fri, Mar 4, 2011	32.00	32.10	31.59	32.05
3001	NASDAQ	MKSI	Thu, Mar 3, 2011	31.00	32.22	30.84	32.11
3000	NASDAQ	MKSI	Wed, Mar 2, 2011	29.61	30.71	29.51	30.61
2999	NASDAQ	MKSI	Tue, Mar 1, 2011	30.30	30.71	29.51	29.79
2998	NASDAQ	MKSI	Mon, Feb 28, 2011	29.98	30.21	29.43	30.02
2997	NASDAQ	MKSI	Fri, Feb 25, 2011	28.30	29.66	28.30	29.62
2996	NASDAQ	MKSI	Thu, Feb 24, 2011	27.80	28.40	27.51	28.32
2995	NASDAQ	MKSI	Wed, Feb 23, 2011	28.89	29.05	27.37	27.85
2994	NASDAQ	MKSI	Tue, Feb 22, 2011	29.91	30.31	28.65	28.78
2993	NASDAQ	MKSI	Fri, Feb 18, 2011	30.87	30.99	30.13	30.61
2992	NASDAQ	MKSI	Thu, Feb 17, 2011	30.36	30.83	30.20	30.63
2991	NASDAQ	MKSI	Wed, Feb 16, 2011	30.08	30.61	29.75	30.20
2990	NASDAQ	MKSI	Tue, Feb 15, 2011	30.17	30.35	29.48	29.49
2989	NASDAQ	MKSI	Mon, Feb 14, 2011	30.40	30.85	29.95	30.20
2988	NASDAQ	MKSI	Fri, Feb 11, 2011	29.94	30.51	29.70	30.40
2987	NASDAQ	MKSI	Thu, Feb 10, 2011	29.90	30.15	29.68	30.03
2986	NASDAQ	MKSI	Wed, Feb 9, 2011	30.15	30.39	29.91	29.96
2985	NASDAQ	MKSI	Tue, Feb 8, 2011	30.20	30.37	29.75	30.11
2984	NASDAQ	MKSI	Mon, Feb 7, 2011	31.40	31.42	29.62	30.03
2983	NASDAQ	MKSI	Fri, Feb 4, 2011	29.88	31.37	29.60	31.19
2982	NASDAQ	MKSI	Thu, Feb 3, 2011	29.77	31.22	29.59	29.79
2981	NASDAQ	MKSI	Wed, Feb 2, 2011	30.00	30.00	29.22	29.70
2980	NASDAQ	MKSI	Tue, Feb 1, 2011	28.91	29.51	28.79	29.51
2979	NASDAQ	MKSI	Mon, Jan 31, 2011	28.54	29.00	28.01	28.71
2978	NASDAQ	MKSI	Fri, Jan 28, 2011	28.80	29.23	28.25	28.28
2977	NASDAQ	MKSI	Thu, Jan 27, 2011	28.07	29.13	27.92	29.07
2976	NASDAQ	MKSI	Wed, Jan 26, 2011	27.69	28.54	27.59	28.15
2975	NASDAQ	MKSI	Tue, Jan 25, 2011	27.39	27.58	26.85	27.55
2974	NASDAQ	MKSI	Mon, Jan 24, 2011	26.53	27.53	26.37	27.30
2973	NASDAQ	MKSI	Fri, Jan 21, 2011	26.58	26.61	26.09	26.31
2972	NASDAQ	MKSI	Thu, Jan 20, 2011	26.45	26.59	25.91	26.22
2971	NASDAQ	MKSI	Wed, Jan 19, 2011	26.95	26.95	26.40	26.51
2970	NASDAQ	MKSI	Tue, Jan 18, 2011	27.00	27.17	26.60	26.86
2969	NASDAQ	MKSI	Fri, Jan 14, 2011	25.63	27.33	25.54	27.32
2968	NASDAQ	MKSI	Thu, Jan 13, 2011	25.44	25.60	25.35	25.47
2967	NASDAQ	MKSI	Wed, Jan 12, 2011	25.14	25.39	24.79	25.34
2966	NASDAQ	MKSI	Tue, Jan 11, 2011	24.12	24.60	24.03	24.43
2965	NASDAQ	MKSI	Mon, Jan 10, 2011	23.39	24.12	23.30	24.05
2964	NASDAQ	MKSI	Fri, Jan 7, 2011	24.16	24.22	23.09	23.65
2963	NASDAQ	MKSI	Thu, Jan 6, 2011	24.06	24.27	23.86	24.02
2962	NASDAQ	MKSI	Wed, Jan 5, 2011	24.55	24.61	23.91	23.97
2961	NASDAQ	MKSI	Tue, Jan 4, 2011	25.29	25.47	24.39	24.49
2960	NASDAQ	MKSI	Mon, Jan 3, 2011	24.75	25.54	24.70	25.08
2959	NASDAQ	MKSI	Fri, Dec 31, 2010	24.28	24.67	24.10	24.50
2958	NASDAQ	MKSI	Thu, Dec 30, 2010	24.38	24.60	24.13	24.27
2957	NASDAQ	MKSI	Wed, Dec 29, 2010	24.28	24.66	24.10	24.49
2956	NASDAQ	MKSI	Tue, Dec 28, 2010	24.24	24.31	23.90	24.18
2955	NASDAQ	MKSI	Mon, Dec 27, 2010	24.36	24.36	23.93	24.16
2954	NASDAQ	MKSI	Thu, Dec 23, 2010	24.55	24.80	24.30	24.52
2953	NASDAQ	MKSI	Wed, Dec 22, 2010	24.64	24.87	24.48	24.60
2952	NASDAQ	MKSI	Tue, Dec 21, 2010	24.29	24.78	24.25	24.63
2951	NASDAQ	MKSI	Mon, Dec 20, 2010	24.40	24.87	24.08	24.25
2950	NASDAQ	MKSI	Fri, Dec 17, 2010	22.99	24.59	22.94	24.15
2949	NASDAQ	MKSI	Thu, Dec 16, 2010	22.15	22.86	22.10	22.78
2948	NASDAQ	MKSI	Wed, Dec 15, 2010	22.09	22.47	21.73	22.01
2947	NASDAQ	MKSI	Tue, Dec 14, 2010	22.25	22.41	21.99	22.08
2946	NASDAQ	MKSI	Mon, Dec 13, 2010	22.25	22.33	21.96	22.11
2945	NASDAQ	MKSI	Fri, Dec 10, 2010	21.89	22.20	21.74	22.18
2944	NASDAQ	MKSI	Thu, Dec 9, 2010	21.75	21.98	21.53	21.80
2943	NASDAQ	MKSI	Wed, Dec 8, 2010	21.16	21.72	21.16	21.54
2942	NASDAQ	MKSI	Tue, Dec 7, 2010	21.17	21.71	21.16	21.24
2941	NASDAQ	MKSI	Mon, Dec 6, 2010	21.18	21.40	20.75	20.94
2940	NASDAQ	MKSI	Fri, Dec 3, 2010	21.33	21.36	20.60	21.30
2939	NASDAQ	MKSI	Thu, Dec 2, 2010	21.42	21.49	21.03	21.41
2938	NASDAQ	MKSI	Wed, Dec 1, 2010	20.84	21.56	20.84	21.48
2937	NASDAQ	MKSI	Tue, Nov 30, 2010	20.29	20.83	20.04	20.37
2936	NASDAQ	MKSI	Mon, Nov 29, 2010	21.02	21.10	20.18	20.50
2935	NASDAQ	MKSI	Fri, Nov 26, 2010	21.20	21.38	21.16	21.22
2934	NASDAQ	MKSI	Wed, Nov 24, 2010	20.90	21.48	20.76	21.42
2933	NASDAQ	MKSI	Tue, Nov 23, 2010	20.45	20.78	20.24	20.67
2932	NASDAQ	MKSI	Mon, Nov 22, 2010	20.80	20.80	20.23	20.68
2931	NASDAQ	MKSI	Fri, Nov 19, 2010	20.62	20.89	20.56	20.81
2930	NASDAQ	MKSI	Thu, Nov 18, 2010	20.86	21.04	20.55	20.60
2929	NASDAQ	MKSI	Wed, Nov 17, 2010	20.70	20.93	20.51	20.59
2928	NASDAQ	MKSI	Tue, Nov 16, 2010	20.87	20.98	20.35	20.69
2927	NASDAQ	MKSI	Mon, Nov 15, 2010	20.70	21.24	20.69	20.98
2926	NASDAQ	MKSI	Fri, Nov 12, 2010	20.84	21.04	20.52	20.55
2925	NASDAQ	MKSI	Thu, Nov 11, 2010	21.13	21.42	20.90	21.08
2924	NASDAQ	MKSI	Wed, Nov 10, 2010	21.05	21.50	20.90	21.44
2923	NASDAQ	MKSI	Tue, Nov 9, 2010	21.69	21.69	20.97	21.05
2922	NASDAQ	MKSI	Mon, Nov 8, 2010	21.54	21.79	21.34	21.69
2921	NASDAQ	MKSI	Fri, Nov 5, 2010	21.64	21.76	21.37	21.70
2920	NASDAQ	MKSI	Thu, Nov 4, 2010	21.43	21.71	21.15	21.70
2919	NASDAQ	MKSI	Wed, Nov 3, 2010	20.71	21.08	20.45	21.08
2918	NASDAQ	MKSI	Tue, Nov 2, 2010	20.50	20.74	20.27	20.72
2917	NASDAQ	MKSI	Mon, Nov 1, 2010	20.80	20.81	20.04	20.21
2916	NASDAQ	MKSI	Fri, Oct 29, 2010	20.42	20.72	20.33	20.65
2915	NASDAQ	MKSI	Thu, Oct 28, 2010	20.89	20.89	20.25	20.46
2914	NASDAQ	MKSI	Wed, Oct 27, 2010	20.61	20.86	20.27	20.78
2913	NASDAQ	MKSI	Tue, Oct 26, 2010	20.54	20.99	20.29	20.71
2912	NASDAQ	MKSI	Mon, Oct 25, 2010	20.60	20.73	20.47	20.67
2911	NASDAQ	MKSI	Fri, Oct 22, 2010	20.21	20.49	20.05	20.45
2910	NASDAQ	MKSI	Thu, Oct 21, 2010	19.80	20.34	19.60	20.11
2909	NASDAQ	MKSI	Wed, Oct 20, 2010	19.67	19.84	19.26	19.42
2908	NASDAQ	MKSI	Tue, Oct 19, 2010	19.71	20.15	19.39	19.60
2907	NASDAQ	MKSI	Mon, Oct 18, 2010	19.88	20.00	19.50	19.99
2906	NASDAQ	MKSI	Fri, Oct 15, 2010	19.89	19.94	19.20	19.73
2905	NASDAQ	MKSI	Thu, Oct 14, 2010	19.73	19.80	19.30	19.59
2904	NASDAQ	MKSI	Wed, Oct 13, 2010	18.92	19.86	18.78	19.69
2903	NASDAQ	MKSI	Tue, Oct 12, 2010	18.58	18.89	18.46	18.86
2902	NASDAQ	MKSI	Mon, Oct 11, 2010	18.56	19.06	18.42	18.67
2901	NASDAQ	MKSI	Fri, Oct 8, 2010	18.37	18.61	17.88	18.50
2900	NASDAQ	MKSI	Thu, Oct 7, 2010	18.29	18.50	18.17	18.40
2899	NASDAQ	MKSI	Wed, Oct 6, 2010	18.11	18.25	17.89	18.24
2898	NASDAQ	MKSI	Tue, Oct 5, 2010	17.66	18.25	17.50	18.25
2897	NASDAQ	MKSI	Mon, Oct 4, 2010	18.01	18.14	17.31	17.39
2896	NASDAQ	MKSI	Fri, Oct 1, 2010	18.15	18.18	17.98	18.13
2895	NASDAQ	MKSI	Thu, Sep 30, 2010	18.44	18.44	17.60	17.98
2894	NASDAQ	MKSI	Wed, Sep 29, 2010	18.10	18.40	18.07	18.25
2893	NASDAQ	MKSI	Tue, Sep 28, 2010	18.05	18.29	17.65	18.22
2892	NASDAQ	MKSI	Mon, Sep 27, 2010	17.99	18.29	17.87	17.97
2891	NASDAQ	MKSI	Fri, Sep 24, 2010	17.30	18.06	17.15	17.99
2890	NASDAQ	MKSI	Thu, Sep 23, 2010	16.90	17.30	16.50	16.98
2889	NASDAQ	MKSI	Wed, Sep 22, 2010	18.26	18.43	16.96	17.10
2888	NASDAQ	MKSI	Tue, Sep 21, 2010	19.17	19.36	18.89	19.00
2887	NASDAQ	MKSI	Mon, Sep 20, 2010	18.73	19.23	18.35	19.22
2886	NASDAQ	MKSI	Fri, Sep 17, 2010	18.72	18.79	18.32	18.59
2885	NASDAQ	MKSI	Thu, Sep 16, 2010	18.27	18.60	18.20	18.49
2884	NASDAQ	MKSI	Wed, Sep 15, 2010	18.19	18.49	18.16	18.36
2883	NASDAQ	MKSI	Tue, Sep 14, 2010	18.27	18.49	18.04	18.32
2882	NASDAQ	MKSI	Mon, Sep 13, 2010	18.00	18.50	18.00	18.37
2881	NASDAQ	MKSI	Fri, Sep 10, 2010	17.77	17.93	17.58	17.73
2880	NASDAQ	MKSI	Thu, Sep 9, 2010	17.73	17.78	17.41	17.64
2879	NASDAQ	MKSI	Wed, Sep 8, 2010	18.01	18.12	17.11	17.39
2878	NASDAQ	MKSI	Tue, Sep 7, 2010	18.58	18.58	17.74	17.94
2877	NASDAQ	MKSI	Fri, Sep 3, 2010	18.55	18.94	18.30	18.76
2876	NASDAQ	MKSI	Thu, Sep 2, 2010	18.05	18.39	17.78	18.30
2875	NASDAQ	MKSI	Wed, Sep 1, 2010	17.59	18.40	17.48	18.04
2874	NASDAQ	MKSI	Tue, Aug 31, 2010	17.46	17.77	17.21	17.25
2873	NASDAQ	MKSI	Mon, Aug 30, 2010	17.86	18.16	17.47	17.50
2872	NASDAQ	MKSI	Fri, Aug 27, 2010	18.22	18.22	17.52	17.91
2871	NASDAQ	MKSI	Thu, Aug 26, 2010	18.53	18.65	17.97	18.01
2870	NASDAQ	MKSI	Wed, Aug 25, 2010	18.05	18.50	17.71	18.46
2869	NASDAQ	MKSI	Tue, Aug 24, 2010	17.93	18.29	17.53	18.15
2868	NASDAQ	MKSI	Mon, Aug 23, 2010	18.75	18.94	18.19	18.20
2867	NASDAQ	MKSI	Fri, Aug 20, 2010	18.72	18.98	18.35	18.63
2866	NASDAQ	MKSI	Thu, Aug 19, 2010	19.28	19.45	18.80	18.87
2865	NASDAQ	MKSI	Wed, Aug 18, 2010	18.96	19.58	18.75	19.41
2864	NASDAQ	MKSI	Tue, Aug 17, 2010	19.09	19.40	18.93	19.05
2863	NASDAQ	MKSI	Mon, Aug 16, 2010	18.51	19.08	18.32	18.81
2862	NASDAQ	MKSI	Fri, Aug 13, 2010	19.09	19.35	18.69	18.72
2861	NASDAQ	MKSI	Thu, Aug 12, 2010	19.08	19.35	18.70	19.23
2860	NASDAQ	MKSI	Wed, Aug 11, 2010	19.97	20.13	19.36	19.44
2859	NASDAQ	MKSI	Tue, Aug 10, 2010	20.65	20.77	20.16	20.44
2858	NASDAQ	MKSI	Mon, Aug 9, 2010	20.89	21.00	20.56	20.90
2857	NASDAQ	MKSI	Fri, Aug 6, 2010	21.00	21.17	20.32	20.80
2856	NASDAQ	MKSI	Thu, Aug 5, 2010	21.31	21.52	21.02	21.17
2855	NASDAQ	MKSI	Wed, Aug 4, 2010	21.55	21.64	21.23	21.44
2854	NASDAQ	MKSI	Tue, Aug 3, 2010	21.60	21.77	21.44	21.46
2853	NASDAQ	MKSI	Mon, Aug 2, 2010	21.97	22.05	21.50	21.62
2852	NASDAQ	MKSI	Fri, Jul 30, 2010	21.20	21.84	20.96	21.46
2851	NASDAQ	MKSI	Thu, Jul 29, 2010	21.90	22.26	20.92	21.57
2850	NASDAQ	MKSI	Wed, Jul 28, 2010	21.74	21.87	21.41	21.57
2849	NASDAQ	MKSI	Tue, Jul 27, 2010	21.83	22.22	21.66	21.77
2848	NASDAQ	MKSI	Mon, Jul 26, 2010	21.05	21.59	21.05	21.57
2847	NASDAQ	MKSI	Fri, Jul 23, 2010	20.24	21.10	20.08	21.04
2846	NASDAQ	MKSI	Thu, Jul 22, 2010	19.70	20.53	19.70	20.25
2845	NASDAQ	MKSI	Wed, Jul 21, 2010	20.13	20.28	19.72	19.81
2844	NASDAQ	MKSI	Tue, Jul 20, 2010	19.47	20.17	19.22	20.00
2843	NASDAQ	MKSI	Mon, Jul 19, 2010	19.90	20.00	19.32	19.80
2842	NASDAQ	MKSI	Fri, Jul 16, 2010	20.09	20.29	19.68	19.74
2841	NASDAQ	MKSI	Thu, Jul 15, 2010	20.66	20.67	20.05	20.30
2840	NASDAQ	MKSI	Wed, Jul 14, 2010	21.05	21.24	20.47	20.70
2839	NASDAQ	MKSI	Tue, Jul 13, 2010	20.37	21.23	20.16	21.06
2838	NASDAQ	MKSI	Mon, Jul 12, 2010	19.85	20.00	19.35	19.90
2837	NASDAQ	MKSI	Fri, Jul 9, 2010	19.55	19.90	19.44	19.86
2836	NASDAQ	MKSI	Thu, Jul 8, 2010	19.44	19.78	19.06	19.53
2835	NASDAQ	MKSI	Wed, Jul 7, 2010	18.00	19.24	17.77	19.21
2834	NASDAQ	MKSI	Tue, Jul 6, 2010	18.66	18.91	17.80	17.87
2833	NASDAQ	MKSI	Fri, Jul 2, 2010	18.56	18.87	18.10	18.44
2832	NASDAQ	MKSI	Thu, Jul 1, 2010	18.85	19.01	17.74	18.45
2831	NASDAQ	MKSI	Wed, Jun 30, 2010	19.18	19.37	18.64	18.72
2830	NASDAQ	MKSI	Tue, Jun 29, 2010	20.07	20.07	19.01	19.15
2829	NASDAQ	MKSI	Mon, Jun 28, 2010	20.21	20.73	19.91	20.51
2828	NASDAQ	MKSI	Fri, Jun 25, 2010	20.31	20.47	19.68	20.21
2827	NASDAQ	MKSI	Thu, Jun 24, 2010	20.54	20.76	20.00	20.15
2826	NASDAQ	MKSI	Wed, Jun 23, 2010	21.02	21.22	20.17	20.71
2825	NASDAQ	MKSI	Tue, Jun 22, 2010	21.02	21.82	20.90	21.02
2824	NASDAQ	MKSI	Mon, Jun 21, 2010	21.14	21.46	20.69	20.88
2823	NASDAQ	MKSI	Fri, Jun 18, 2010	20.86	21.28	20.59	20.78
2822	NASDAQ	MKSI	Thu, Jun 17, 2010	20.66	20.78	20.13	20.74
2821	NASDAQ	MKSI	Wed, Jun 16, 2010	20.33	20.77	20.04	20.45
2820	NASDAQ	MKSI	Tue, Jun 15, 2010	19.77	20.60	19.60	20.54
2819	NASDAQ	MKSI	Mon, Jun 14, 2010	19.61	20.33	19.44	19.47
2818	NASDAQ	MKSI	Fri, Jun 11, 2010	18.39	19.35	18.39	19.29
2817	NASDAQ	MKSI	Thu, Jun 10, 2010	18.24	18.69	17.78	18.68
2816	NASDAQ	MKSI	Wed, Jun 9, 2010	18.17	18.42	17.73	17.88
2815	NASDAQ	MKSI	Tue, Jun 8, 2010	18.13	18.19	17.45	17.94
2814	NASDAQ	MKSI	Mon, Jun 7, 2010	19.17	19.29	18.02	18.07
2813	NASDAQ	MKSI	Fri, Jun 4, 2010	19.60	19.88	19.09	19.16
2812	NASDAQ	MKSI	Thu, Jun 3, 2010	19.91	20.33	19.62	20.17
2811	NASDAQ	MKSI	Wed, Jun 2, 2010	19.15	20.05	19.00	20.01
2810	NASDAQ	MKSI	Tue, Jun 1, 2010	19.70	20.10	19.03	19.05
2809	NASDAQ	MKSI	Fri, May 28, 2010	20.35	20.35	19.55	19.86
2808	NASDAQ	MKSI	Thu, May 27, 2010	19.63	20.46	19.49	20.43
2807	NASDAQ	MKSI	Wed, May 26, 2010	19.47	19.89	19.05	19.15
2806	NASDAQ	MKSI	Tue, May 25, 2010	18.85	19.39	18.38	19.26
2805	NASDAQ	MKSI	Mon, May 24, 2010	19.59	19.72	19.02	19.38
2804	NASDAQ	MKSI	Fri, May 21, 2010	18.83	20.23	18.75	19.69
2803	NASDAQ	MKSI	Thu, May 20, 2010	19.58	19.68	19.00	19.05
2802	NASDAQ	MKSI	Wed, May 19, 2010	20.24	20.39	19.61	19.99
2801	NASDAQ	MKSI	Tue, May 18, 2010	21.19	21.56	20.14	20.27
2800	NASDAQ	MKSI	Mon, May 17, 2010	21.09	21.45	20.39	20.88
2799	NASDAQ	MKSI	Fri, May 14, 2010	21.23	21.23	20.17	20.90
2798	NASDAQ	MKSI	Thu, May 13, 2010	21.72	22.20	21.20	21.40
2797	NASDAQ	MKSI	Wed, May 12, 2010	20.50	22.01	20.41	21.72
2796	NASDAQ	MKSI	Tue, May 11, 2010	20.00	20.95	19.60	20.39
2795	NASDAQ	MKSI	Mon, May 10, 2010	20.00	20.24	19.85	20.19
2794	NASDAQ	MKSI	Fri, May 7, 2010	20.36	20.41	19.35	19.57
2793	NASDAQ	MKSI	Thu, May 6, 2010	21.49	21.72	19.12	20.27
2792	NASDAQ	MKSI	Wed, May 5, 2010	21.87	22.49	21.51	21.55
2791	NASDAQ	MKSI	Tue, May 4, 2010	23.03	23.03	21.93	22.17
2790	NASDAQ	MKSI	Mon, May 3, 2010	22.85	23.26	22.42	23.25
2789	NASDAQ	MKSI	Fri, Apr 30, 2010	23.59	24.00	22.57	22.66
2788	NASDAQ	MKSI	Thu, Apr 29, 2010	23.25	23.59	23.06	23.48
2787	NASDAQ	MKSI	Wed, Apr 28, 2010	23.11	23.34	22.89	23.20
2786	NASDAQ	MKSI	Tue, Apr 27, 2010	23.77	24.00	22.99	23.04
2785	NASDAQ	MKSI	Mon, Apr 26, 2010	24.75	24.84	23.75	23.94
2784	NASDAQ	MKSI	Fri, Apr 23, 2010	24.00	24.88	23.72	24.85
2783	NASDAQ	MKSI	Thu, Apr 22, 2010	22.05	24.00	21.62	23.96
2782	NASDAQ	MKSI	Wed, Apr 21, 2010	21.08	21.18	20.74	21.00
2781	NASDAQ	MKSI	Tue, Apr 20, 2010	20.98	21.40	20.91	21.00
2780	NASDAQ	MKSI	Mon, Apr 19, 2010	20.85	21.08	20.46	20.95
2779	NASDAQ	MKSI	Fri, Apr 16, 2010	21.16	21.27	20.92	20.99
2778	NASDAQ	MKSI	Thu, Apr 15, 2010	21.06	21.28	20.95	21.18
2777	NASDAQ	MKSI	Wed, Apr 14, 2010	20.08	21.17	20.02	21.14
2776	NASDAQ	MKSI	Tue, Apr 13, 2010	19.61	19.92	19.42	19.92
2775	NASDAQ	MKSI	Mon, Apr 12, 2010	19.78	19.96	19.53	19.70
2774	NASDAQ	MKSI	Fri, Apr 9, 2010	20.03	20.20	19.67	19.72
2773	NASDAQ	MKSI	Thu, Apr 8, 2010	20.51	20.51	19.85	20.00
2772	NASDAQ	MKSI	Wed, Apr 7, 2010	20.26	20.79	20.03	20.65
2771	NASDAQ	MKSI	Tue, Apr 6, 2010	20.08	20.48	19.88	20.36
2770	NASDAQ	MKSI	Mon, Apr 5, 2010	19.92	20.25	19.77	20.25
2769	NASDAQ	MKSI	Thu, Apr 1, 2010	19.65	19.91	19.42	19.76
2768	NASDAQ	MKSI	Wed, Mar 31, 2010	19.64	20.00	19.58	19.59
2767	NASDAQ	MKSI	Tue, Mar 30, 2010	19.47	19.74	19.35	19.66
2766	NASDAQ	MKSI	Mon, Mar 29, 2010	19.17	19.46	19.10	19.39
2765	NASDAQ	MKSI	Fri, Mar 26, 2010	19.13	19.26	18.99	19.10
2764	NASDAQ	MKSI	Thu, Mar 25, 2010	19.14	19.56	18.98	19.00
2763	NASDAQ	MKSI	Wed, Mar 24, 2010	18.92	19.12	18.67	18.92
2762	NASDAQ	MKSI	Tue, Mar 23, 2010	18.30	19.07	18.20	19.06
2761	NASDAQ	MKSI	Mon, Mar 22, 2010	18.09	18.42	18.02	18.32
2760	NASDAQ	MKSI	Fri, Mar 19, 2010	19.00	19.01	18.13	18.20
2759	NASDAQ	MKSI	Thu, Mar 18, 2010	19.10	19.14	18.79	18.87
2758	NASDAQ	MKSI	Wed, Mar 17, 2010	19.29	19.38	18.87	19.18
2757	NASDAQ	MKSI	Tue, Mar 16, 2010	19.10	19.29	18.82	19.29
2756	NASDAQ	MKSI	Mon, Mar 15, 2010	19.31	19.31	18.83	19.07
2755	NASDAQ	MKSI	Fri, Mar 12, 2010	19.43	19.75	19.17	19.41
2754	NASDAQ	MKSI	Thu, Mar 11, 2010	18.94	19.36	18.86	19.35
2753	NASDAQ	MKSI	Wed, Mar 10, 2010	18.67	19.17	18.64	19.07
2752	NASDAQ	MKSI	Tue, Mar 9, 2010	18.97	19.03	18.57	18.72
2751	NASDAQ	MKSI	Mon, Mar 8, 2010	18.96	19.09	18.78	18.98
2750	NASDAQ	MKSI	Fri, Mar 5, 2010	18.59	19.11	18.51	19.10
2749	NASDAQ	MKSI	Thu, Mar 4, 2010	18.82	18.87	18.28	18.53
2748	NASDAQ	MKSI	Wed, Mar 3, 2010	18.75	18.95	18.73	18.86
2747	NASDAQ	MKSI	Tue, Mar 2, 2010	18.32	18.78	18.14	18.77
2746	NASDAQ	MKSI	Mon, Mar 1, 2010	18.19	18.36	18.09	18.35
2745	NASDAQ	MKSI	Fri, Feb 26, 2010	18.12	18.16	17.87	18.03
2744	NASDAQ	MKSI	Thu, Feb 25, 2010	18.38	18.38	17.85	18.16
2743	NASDAQ	MKSI	Wed, Feb 24, 2010	18.61	18.95	18.48	18.57
2742	NASDAQ	MKSI	Tue, Feb 23, 2010	19.03	19.09	18.35	18.50
2741	NASDAQ	MKSI	Mon, Feb 22, 2010	18.98	19.14	18.93	19.00
2740	NASDAQ	MKSI	Fri, Feb 19, 2010	19.05	19.10	18.88	18.98
2739	NASDAQ	MKSI	Thu, Feb 18, 2010	18.98	19.11	18.83	19.05
2738	NASDAQ	MKSI	Wed, Feb 17, 2010	19.62	19.77	18.94	19.00
2737	NASDAQ	MKSI	Tue, Feb 16, 2010	19.00	19.66	18.91	19.55
2736	NASDAQ	MKSI	Fri, Feb 12, 2010	18.49	19.00	18.20	18.87
2735	NASDAQ	MKSI	Thu, Feb 11, 2010	18.26	18.79	18.05	18.74
2734	NASDAQ	MKSI	Wed, Feb 10, 2010	18.42	18.60	18.03	18.40
2733	NASDAQ	MKSI	Tue, Feb 9, 2010	18.42	18.84	18.26	18.55
2732	NASDAQ	MKSI	Mon, Feb 8, 2010	18.43	18.60	18.08	18.14
2731	NASDAQ	MKSI	Fri, Feb 5, 2010	17.82	18.73	17.57	18.35
2730	NASDAQ	MKSI	Thu, Feb 4, 2010	19.22	19.22	17.56	17.73
2729	NASDAQ	MKSI	Wed, Feb 3, 2010	16.83	17.64	16.70	17.63
2728	NASDAQ	MKSI	Tue, Feb 2, 2010	16.67	17.11	16.47	16.95
2727	NASDAQ	MKSI	Mon, Feb 1, 2010	16.62	16.84	16.47	16.70
2726	NASDAQ	MKSI	Fri, Jan 29, 2010	16.52	16.81	16.40	16.60
2725	NASDAQ	MKSI	Thu, Jan 28, 2010	17.19	17.26	15.94	16.41
2724	NASDAQ	MKSI	Wed, Jan 27, 2010	16.62	17.26	16.51	17.21
2723	NASDAQ	MKSI	Tue, Jan 26, 2010	17.12	17.21	16.74	16.76
2722	NASDAQ	MKSI	Mon, Jan 25, 2010	17.21	17.31	16.93	17.13
2721	NASDAQ	MKSI	Fri, Jan 22, 2010	17.63	17.63	16.89	17.11
2720	NASDAQ	MKSI	Thu, Jan 21, 2010	18.09	18.37	17.75	17.75
2719	NASDAQ	MKSI	Wed, Jan 20, 2010	18.25	18.46	18.01	18.12
2718	NASDAQ	MKSI	Tue, Jan 19, 2010	18.28	18.64	18.27	18.35
2717	NASDAQ	MKSI	Fri, Jan 15, 2010	19.13	19.13	18.22	18.30
2716	NASDAQ	MKSI	Thu, Jan 14, 2010	18.92	19.10	18.56	19.05
2715	NASDAQ	MKSI	Wed, Jan 13, 2010	19.20	19.27	18.67	19.03
2714	NASDAQ	MKSI	Tue, Jan 12, 2010	19.08	19.35	18.92	19.10
2713	NASDAQ	MKSI	Mon, Jan 11, 2010	18.95	19.30	18.77	19.17
2712	NASDAQ	MKSI	Fri, Jan 8, 2010	18.80	18.92	18.65	18.84
2711	NASDAQ	MKSI	Thu, Jan 7, 2010	18.56	18.92	18.42	18.91
2710	NASDAQ	MKSI	Wed, Jan 6, 2010	18.44	18.89	18.31	18.63
2709	NASDAQ	MKSI	Tue, Jan 5, 2010	17.98	18.47	17.98	18.29
2708	NASDAQ	MKSI	Mon, Jan 4, 2010	17.67	17.96	17.56	17.83
2707	NASDAQ	MKSI	Thu, Dec 31, 2009	17.56	17.73	17.36	17.40
2706	NASDAQ	MKSI	Wed, Dec 30, 2009	17.21	17.63	17.10	17.52
2705	NASDAQ	MKSI	Tue, Dec 29, 2009	16.98	17.27	16.93	17.24
2704	NASDAQ	MKSI	Mon, Dec 28, 2009	16.73	16.94	16.70	16.94
2703	NASDAQ	MKSI	Thu, Dec 24, 2009	16.67	16.73	16.52	16.68
2702	NASDAQ	MKSI	Wed, Dec 23, 2009	16.42	16.73	16.37	16.65
2701	NASDAQ	MKSI	Tue, Dec 22, 2009	16.38	16.50	16.27	16.37
2700	NASDAQ	MKSI	Mon, Dec 21, 2009	16.34	16.68	16.26	16.40
2699	NASDAQ	MKSI	Fri, Dec 18, 2009	16.10	16.30	15.89	16.29
2698	NASDAQ	MKSI	Thu, Dec 17, 2009	15.96	16.10	15.61	15.92
2697	NASDAQ	MKSI	Wed, Dec 16, 2009	16.44	16.67	15.97	16.10
2696	NASDAQ	MKSI	Tue, Dec 15, 2009	16.56	16.82	16.35	16.36
2695	NASDAQ	MKSI	Mon, Dec 14, 2009	16.29	16.53	15.96	16.52
2694	NASDAQ	MKSI	Fri, Dec 11, 2009	16.27	16.45	15.80	16.11
2693	NASDAQ	MKSI	Thu, Dec 10, 2009	16.95	17.11	16.02	16.14
2692	NASDAQ	MKSI	Wed, Dec 9, 2009	17.03	17.17	16.75	16.93
2691	NASDAQ	MKSI	Tue, Dec 8, 2009	16.91	17.30	16.89	16.97
2690	NASDAQ	MKSI	Mon, Dec 7, 2009	16.99	17.20	16.90	17.08
2689	NASDAQ	MKSI	Fri, Dec 4, 2009	16.58	17.14	16.51	17.00
2688	NASDAQ	MKSI	Thu, Dec 3, 2009	16.16	16.47	16.09	16.21
2687	NASDAQ	MKSI	Wed, Dec 2, 2009	15.75	16.24	15.60	16.06
2686	NASDAQ	MKSI	Tue, Dec 1, 2009	15.33	16.04	15.24	15.78
2685	NASDAQ	MKSI	Mon, Nov 30, 2009	15.15	15.35	14.80	15.15
2684	NASDAQ	MKSI	Fri, Nov 27, 2009	15.00	15.40	15.00	15.22
2683	NASDAQ	MKSI	Wed, Nov 25, 2009	15.65	15.78	15.47	15.47
2682	NASDAQ	MKSI	Tue, Nov 24, 2009	15.90	15.92	15.52	15.62
2681	NASDAQ	MKSI	Mon, Nov 23, 2009	15.91	16.25	15.67	15.93
2680	NASDAQ	MKSI	Fri, Nov 20, 2009	15.49	15.73	15.36	15.66
2679	NASDAQ	MKSI	Thu, Nov 19, 2009	16.21	16.47	15.41	15.55
2678	NASDAQ	MKSI	Wed, Nov 18, 2009	16.57	16.74	16.22	16.39
2677	NASDAQ	MKSI	Tue, Nov 17, 2009	16.50	16.66	16.31	16.56
2676	NASDAQ	MKSI	Mon, Nov 16, 2009	16.11	16.84	16.00	16.60
2675	NASDAQ	MKSI	Fri, Nov 13, 2009	15.85	16.06	15.70	15.93
2674	NASDAQ	MKSI	Thu, Nov 12, 2009	16.29	16.45	15.83	15.88
2673	NASDAQ	MKSI	Wed, Nov 11, 2009	16.10	16.53	15.99	16.30
2672	NASDAQ	MKSI	Tue, Nov 10, 2009	15.98	16.01	15.78	15.91
2671	NASDAQ	MKSI	Mon, Nov 9, 2009	15.94	16.18	15.71	16.11
2670	NASDAQ	MKSI	Fri, Nov 6, 2009	15.27	16.05	15.26	15.76
2669	NASDAQ	MKSI	Thu, Nov 5, 2009	15.43	15.88	15.43	15.83
2668	NASDAQ	MKSI	Wed, Nov 4, 2009	15.25	15.60	14.98	15.37
2667	NASDAQ	MKSI	Tue, Nov 3, 2009	15.21	15.38	14.93	15.25
2666	NASDAQ	MKSI	Mon, Nov 2, 2009	15.79	15.87	15.10	15.41
2665	NASDAQ	MKSI	Fri, Oct 30, 2009	16.22	16.31	15.42	15.64
2664	NASDAQ	MKSI	Thu, Oct 29, 2009	16.32	16.59	16.06	16.40
2663	NASDAQ	MKSI	Wed, Oct 28, 2009	16.28	16.51	16.07	16.11
2662	NASDAQ	MKSI	Tue, Oct 27, 2009	17.25	17.32	16.19	16.26
2661	NASDAQ	MKSI	Mon, Oct 26, 2009	17.55	17.99	16.91	17.14
2660	NASDAQ	MKSI	Fri, Oct 23, 2009	18.45	18.45	17.39	17.45
2659	NASDAQ	MKSI	Thu, Oct 22, 2009	18.48	18.71	18.00	18.30
2658	NASDAQ	MKSI	Wed, Oct 21, 2009	19.00	19.54	18.50	18.54
2657	NASDAQ	MKSI	Tue, Oct 20, 2009	19.47	19.59	18.93	19.11
2656	NASDAQ	MKSI	Mon, Oct 19, 2009	19.14	19.50	18.98	19.38
2655	NASDAQ	MKSI	Fri, Oct 16, 2009	19.45	19.45	18.77	19.02
2654	NASDAQ	MKSI	Thu, Oct 15, 2009	20.01	20.18	19.33	19.51
2653	NASDAQ	MKSI	Wed, Oct 14, 2009	20.18	20.24	19.97	20.11
2652	NASDAQ	MKSI	Tue, Oct 13, 2009	19.56	20.17	19.52	19.88
2651	NASDAQ	MKSI	Mon, Oct 12, 2009	19.65	19.74	19.36	19.53
2650	NASDAQ	MKSI	Fri, Oct 9, 2009	19.62	19.62	19.02	19.43
2649	NASDAQ	MKSI	Thu, Oct 8, 2009	19.35	19.53	19.08	19.16
2648	NASDAQ	MKSI	Wed, Oct 7, 2009	19.44	19.51	19.04	19.15
2647	NASDAQ	MKSI	Tue, Oct 6, 2009	19.28	19.48	19.15	19.46
2646	NASDAQ	MKSI	Mon, Oct 5, 2009	19.91	20.06	18.86	19.10
2645	NASDAQ	MKSI	Fri, Oct 2, 2009	18.75	19.20	18.68	18.77
2644	NASDAQ	MKSI	Thu, Oct 1, 2009	19.13	19.26	18.85	18.89
2643	NASDAQ	MKSI	Wed, Sep 30, 2009	19.46	19.46	18.55	19.29
2642	NASDAQ	MKSI	Tue, Sep 29, 2009	19.50	19.64	19.11	19.51
2641	NASDAQ	MKSI	Mon, Sep 28, 2009	19.20	19.78	19.13	19.54
2640	NASDAQ	MKSI	Fri, Sep 25, 2009	19.26	19.41	18.73	19.16
2639	NASDAQ	MKSI	Thu, Sep 24, 2009	19.88	19.88	18.94	19.37
2638	NASDAQ	MKSI	Wed, Sep 23, 2009	20.32	20.43	19.86	19.86
2637	NASDAQ	MKSI	Tue, Sep 22, 2009	20.07	20.33	19.86	20.30
2636	NASDAQ	MKSI	Mon, Sep 21, 2009	19.93	20.15	19.64	20.00
2635	NASDAQ	MKSI	Fri, Sep 18, 2009	20.40	20.40	19.93	20.06
2634	NASDAQ	MKSI	Thu, Sep 17, 2009	20.44	20.54	20.16	20.33
2633	NASDAQ	MKSI	Wed, Sep 16, 2009	20.17	20.48	20.01	20.48
2632	NASDAQ	MKSI	Tue, Sep 15, 2009	20.17	20.48	20.06	20.17
2631	NASDAQ	MKSI	Mon, Sep 14, 2009	20.21	20.41	19.95	20.27
2630	NASDAQ	MKSI	Fri, Sep 11, 2009	20.37	20.60	20.03	20.30
2629	NASDAQ	MKSI	Thu, Sep 10, 2009	19.85	20.41	19.75	20.40
2628	NASDAQ	MKSI	Wed, Sep 9, 2009	19.37	19.84	19.33	19.81
2627	NASDAQ	MKSI	Tue, Sep 8, 2009	19.04	19.45	18.98	19.44
2626	NASDAQ	MKSI	Fri, Sep 4, 2009	18.46	19.00	18.44	18.99
2625	NASDAQ	MKSI	Thu, Sep 3, 2009	18.19	18.50	18.04	18.45
2624	NASDAQ	MKSI	Wed, Sep 2, 2009	18.32	18.62	18.06	18.16
2623	NASDAQ	MKSI	Tue, Sep 1, 2009	18.24	19.07	18.24	18.43
2622	NASDAQ	MKSI	Mon, Aug 31, 2009	18.80	18.80	18.35	18.43
2621	NASDAQ	MKSI	Fri, Aug 28, 2009	18.51	19.02	18.47	18.82
2620	NASDAQ	MKSI	Thu, Aug 27, 2009	18.71	18.71	18.07	18.30
2619	NASDAQ	MKSI	Wed, Aug 26, 2009	18.63	18.90	18.56	18.62
2618	NASDAQ	MKSI	Tue, Aug 25, 2009	18.63	19.05	18.38	18.71
2617	NASDAQ	MKSI	Mon, Aug 24, 2009	18.26	18.55	18.07	18.50
2616	NASDAQ	MKSI	Fri, Aug 21, 2009	17.84	18.29	17.67	18.27
2615	NASDAQ	MKSI	Thu, Aug 20, 2009	17.81	17.91	17.48	17.57
2614	NASDAQ	MKSI	Wed, Aug 19, 2009	17.54	17.94	17.52	17.91
2613	NASDAQ	MKSI	Tue, Aug 18, 2009	17.61	17.82	17.43	17.71
2612	NASDAQ	MKSI	Mon, Aug 17, 2009	17.84	18.02	17.41	17.47
2611	NASDAQ	MKSI	Fri, Aug 14, 2009	18.48	18.48	17.87	18.06
2610	NASDAQ	MKSI	Thu, Aug 13, 2009	18.66	18.73	18.28	18.56
2609	NASDAQ	MKSI	Wed, Aug 12, 2009	18.31	18.83	18.31	18.50
2608	NASDAQ	MKSI	Tue, Aug 11, 2009	18.54	18.67	18.21	18.24
2607	NASDAQ	MKSI	Mon, Aug 10, 2009	18.67	18.99	18.43	18.58
2606	NASDAQ	MKSI	Fri, Aug 7, 2009	18.97	19.01	18.69	18.85
2605	NASDAQ	MKSI	Thu, Aug 6, 2009	19.41	19.55	18.64	18.65
2604	NASDAQ	MKSI	Wed, Aug 5, 2009	19.70	19.70	19.11	19.28
2603	NASDAQ	MKSI	Tue, Aug 4, 2009	19.50	19.75	19.39	19.63
2602	NASDAQ	MKSI	Mon, Aug 3, 2009	19.48	19.71	19.48	19.70
2601	NASDAQ	MKSI	Fri, Jul 31, 2009	19.51	19.76	19.27	19.37
2600	NASDAQ	MKSI	Thu, Jul 30, 2009	19.51	19.80	19.36	19.65
2599	NASDAQ	MKSI	Wed, Jul 29, 2009	19.02	19.39	18.93	19.20
2598	NASDAQ	MKSI	Tue, Jul 28, 2009	19.13	19.66	18.94	19.24
2597	NASDAQ	MKSI	Mon, Jul 27, 2009	19.60	19.66	19.15	19.35
2596	NASDAQ	MKSI	Fri, Jul 24, 2009	19.45	19.68	19.17	19.53
2595	NASDAQ	MKSI	Thu, Jul 23, 2009	19.75	20.12	19.37	19.87
2594	NASDAQ	MKSI	Wed, Jul 22, 2009	17.25	19.60	17.05	19.34
2593	NASDAQ	MKSI	Tue, Jul 21, 2009	17.14	17.37	17.01	17.28
2592	NASDAQ	MKSI	Mon, Jul 20, 2009	17.06	17.17	16.94	17.10
2591	NASDAQ	MKSI	Fri, Jul 17, 2009	16.79	17.08	16.63	17.06
2590	NASDAQ	MKSI	Thu, Jul 16, 2009	16.92	16.98	16.53	16.74
2589	NASDAQ	MKSI	Wed, Jul 15, 2009	16.40	17.09	16.38	17.06
2588	NASDAQ	MKSI	Tue, Jul 14, 2009	15.91	16.21	15.84	16.18
2587	NASDAQ	MKSI	Mon, Jul 13, 2009	15.28	16.31	14.90	15.97
2586	NASDAQ	MKSI	Fri, Jul 10, 2009	15.00	15.31	14.95	15.26
2585	NASDAQ	MKSI	Thu, Jul 9, 2009	14.88	15.20	14.52	15.02
2584	NASDAQ	MKSI	Wed, Jul 8, 2009	14.87	14.99	14.46	14.83
2583	NASDAQ	MKSI	Tue, Jul 7, 2009	13.65	15.01	13.65	14.80
2582	NASDAQ	MKSI	Mon, Jul 6, 2009	13.35	13.72	13.28	13.67
2581	NASDAQ	MKSI	Thu, Jul 2, 2009	13.60	13.82	13.34	13.37
2580	NASDAQ	MKSI	Wed, Jul 1, 2009	13.33	13.89	13.29	13.85
2579	NASDAQ	MKSI	Tue, Jun 30, 2009	13.48	13.63	13.13	13.14
2578	NASDAQ	MKSI	Mon, Jun 29, 2009	13.46	13.77	13.14	13.51
2577	NASDAQ	MKSI	Fri, Jun 26, 2009	13.18	13.60	13.18	13.49
2576	NASDAQ	MKSI	Thu, Jun 25, 2009	12.93	13.48	12.93	13.30
2575	NASDAQ	MKSI	Wed, Jun 24, 2009	12.87	13.28	12.85	13.07
2574	NASDAQ	MKSI	Tue, Jun 23, 2009	13.06	13.06	12.75	12.79
2573	NASDAQ	MKSI	Mon, Jun 22, 2009	13.30	13.59	12.97	12.98
2572	NASDAQ	MKSI	Fri, Jun 19, 2009	13.70	13.76	13.27	13.44
2571	NASDAQ	MKSI	Thu, Jun 18, 2009	13.67	13.68	13.37	13.43
2570	NASDAQ	MKSI	Wed, Jun 17, 2009	13.81	14.03	13.61	13.72
2569	NASDAQ	MKSI	Tue, Jun 16, 2009	14.14	14.25	13.76	13.83
2568	NASDAQ	MKSI	Mon, Jun 15, 2009	13.94	14.19	13.74	14.14
2567	NASDAQ	MKSI	Fri, Jun 12, 2009	14.02	14.35	13.87	14.05
2566	NASDAQ	MKSI	Thu, Jun 11, 2009	14.21	14.55	14.10	14.10
2565	NASDAQ	MKSI	Wed, Jun 10, 2009	14.51	14.68	13.74	14.19
2564	NASDAQ	MKSI	Tue, Jun 9, 2009	14.22	14.64	14.09	14.42
2563	NASDAQ	MKSI	Mon, Jun 8, 2009	14.10	14.39	13.79	14.10
2562	NASDAQ	MKSI	Fri, Jun 5, 2009	14.50	14.63	14.10	14.31
2561	NASDAQ	MKSI	Thu, Jun 4, 2009	14.10	14.43	13.81	14.42
2560	NASDAQ	MKSI	Wed, Jun 3, 2009	14.00	14.17	13.75	14.05
2559	NASDAQ	MKSI	Tue, Jun 2, 2009	14.17	14.62	14.04	14.17
2558	NASDAQ	MKSI	Mon, Jun 1, 2009	13.57	14.49	13.52	14.37
2557	NASDAQ	MKSI	Fri, May 29, 2009	13.36	13.51	13.16	13.48
2556	NASDAQ	MKSI	Thu, May 28, 2009	13.63	13.69	12.96	13.36
2555	NASDAQ	MKSI	Wed, May 27, 2009	13.44	13.70	13.32	13.56
2554	NASDAQ	MKSI	Tue, May 26, 2009	13.06	13.73	12.84	13.61
2553	NASDAQ	MKSI	Fri, May 22, 2009	13.59	13.74	13.04	13.05
2552	NASDAQ	MKSI	Thu, May 21, 2009	13.93	13.93	13.24	13.54
2551	NASDAQ	MKSI	Wed, May 20, 2009	14.36	14.73	14.01	14.05
2550	NASDAQ	MKSI	Tue, May 19, 2009	14.60	14.69	14.22	14.23
2549	NASDAQ	MKSI	Mon, May 18, 2009	14.24	14.62	14.04	14.50
2548	NASDAQ	MKSI	Fri, May 15, 2009	14.13	14.43	13.90	14.01
2547	NASDAQ	MKSI	Thu, May 14, 2009	14.06	14.40	13.81	14.16
2546	NASDAQ	MKSI	Wed, May 13, 2009	14.22	14.26	13.86	13.92
2545	NASDAQ	MKSI	Tue, May 12, 2009	14.70	14.79	14.12	14.41
2544	NASDAQ	MKSI	Mon, May 11, 2009	14.90	15.08	14.55	14.56
2543	NASDAQ	MKSI	Fri, May 8, 2009	15.46	15.68	14.83	15.14
2542	NASDAQ	MKSI	Thu, May 7, 2009	15.86	15.96	14.95	15.17
2541	NASDAQ	MKSI	Wed, May 6, 2009	15.80	15.89	15.11	15.77
2540	NASDAQ	MKSI	Tue, May 5, 2009	15.78	15.96	15.27	15.55
2539	NASDAQ	MKSI	Mon, May 4, 2009	15.28	15.84	14.95	15.80
2538	NASDAQ	MKSI	Fri, May 1, 2009	15.65	15.75	15.08	15.17
2537	NASDAQ	MKSI	Thu, Apr 30, 2009	15.83	16.18	15.51	15.65
2536	NASDAQ	MKSI	Wed, Apr 29, 2009	15.24	15.93	15.20	15.73
2535	NASDAQ	MKSI	Tue, Apr 28, 2009	15.31	15.60	15.12	15.15
2534	NASDAQ	MKSI	Mon, Apr 27, 2009	15.95	16.02	15.35	15.54
2533	NASDAQ	MKSI	Fri, Apr 24, 2009	16.12	16.32	15.78	16.12
2532	NASDAQ	MKSI	Thu, Apr 23, 2009	17.03	17.03	15.74	15.96
2531	NASDAQ	MKSI	Wed, Apr 22, 2009	15.91	17.50	15.72	17.07
2530	NASDAQ	MKSI	Tue, Apr 21, 2009	15.81	16.33	15.81	16.06
2529	NASDAQ	MKSI	Mon, Apr 20, 2009	16.52	16.75	15.64	15.92
2528	NASDAQ	MKSI	Fri, Apr 17, 2009	16.18	16.29	15.94	16.14
2527	NASDAQ	MKSI	Thu, Apr 16, 2009	15.40	16.23	15.15	16.13
2526	NASDAQ	MKSI	Wed, Apr 15, 2009	15.14	15.29	14.96	15.28
2525	NASDAQ	MKSI	Tue, Apr 14, 2009	15.39	15.54	14.90	15.20
2524	NASDAQ	MKSI	Mon, Apr 13, 2009	15.84	15.99	15.31	15.66
2523	NASDAQ	MKSI	Thu, Apr 9, 2009	14.96	16.10	14.96	16.09
2522	NASDAQ	MKSI	Wed, Apr 8, 2009	14.15	14.79	13.95	14.77
2521	NASDAQ	MKSI	Tue, Apr 7, 2009	14.87	14.93	13.96	14.13
2520	NASDAQ	MKSI	Mon, Apr 6, 2009	15.79	16.00	14.85	15.06
2519	NASDAQ	MKSI	Fri, Apr 3, 2009	16.00	16.34	15.09	16.06
2518	NASDAQ	MKSI	Thu, Apr 2, 2009	15.65	16.68	15.53	16.48
2517	NASDAQ	MKSI	Wed, Apr 1, 2009	14.50	15.40	14.30	15.31
2516	NASDAQ	MKSI	Tue, Mar 31, 2009	14.93	15.24	14.58	14.67
2515	NASDAQ	MKSI	Mon, Mar 30, 2009	15.18	15.27	14.28	14.70
2514	NASDAQ	MKSI	Fri, Mar 27, 2009	15.80	16.23	15.47	15.53
2513	NASDAQ	MKSI	Thu, Mar 26, 2009	15.66	16.29	15.49	16.12
2512	NASDAQ	MKSI	Wed, Mar 25, 2009	15.24	15.95	14.72	15.39
2511	NASDAQ	MKSI	Tue, Mar 24, 2009	15.56	15.83	15.05	15.17
2510	NASDAQ	MKSI	Mon, Mar 23, 2009	14.75	15.79	14.38	15.79
2509	NASDAQ	MKSI	Fri, Mar 20, 2009	14.93	15.55	14.12	14.34
2508	NASDAQ	MKSI	Thu, Mar 19, 2009	14.89	15.00	14.62	14.77
2507	NASDAQ	MKSI	Wed, Mar 18, 2009	14.13	14.74	13.82	14.73
2506	NASDAQ	MKSI	Tue, Mar 17, 2009	13.51	14.16	13.42	14.16
2505	NASDAQ	MKSI	Mon, Mar 16, 2009	13.90	14.01	13.32	13.51
2504	NASDAQ	MKSI	Fri, Mar 13, 2009	13.54	13.95	13.49	13.81
2503	NASDAQ	MKSI	Thu, Mar 12, 2009	12.59	13.68	12.43	13.63
2502	NASDAQ	MKSI	Wed, Mar 11, 2009	12.28	12.87	12.10	12.67
2501	NASDAQ	MKSI	Tue, Mar 10, 2009	11.71	12.28	11.70	12.19
2500	NASDAQ	MKSI	Mon, Mar 9, 2009	11.99	12.32	11.38	11.45
2499	NASDAQ	MKSI	Fri, Mar 6, 2009	12.01	12.32	11.80	12.14
2498	NASDAQ	MKSI	Thu, Mar 5, 2009	12.11	12.53	11.88	11.90
2497	NASDAQ	MKSI	Wed, Mar 4, 2009	11.81	12.58	11.66	12.35
2496	NASDAQ	MKSI	Tue, Mar 3, 2009	12.09	12.30	11.62	11.63
2495	NASDAQ	MKSI	Mon, Mar 2, 2009	12.48	12.57	11.84	11.89
2494	NASDAQ	MKSI	Fri, Feb 27, 2009	12.60	12.99	12.58	12.59
2493	NASDAQ	MKSI	Thu, Feb 26, 2009	13.23	13.40	12.74	12.79
2492	NASDAQ	MKSI	Wed, Feb 25, 2009	13.46	13.49	12.81	13.15
2491	NASDAQ	MKSI	Tue, Feb 24, 2009	13.27	13.65	12.91	13.53
2490	NASDAQ	MKSI	Mon, Feb 23, 2009	13.98	14.16	13.00	13.06
2489	NASDAQ	MKSI	Fri, Feb 20, 2009	13.94	14.25	13.51	13.90
2488	NASDAQ	MKSI	Thu, Feb 19, 2009	14.82	14.82	14.04	14.14
2487	NASDAQ	MKSI	Wed, Feb 18, 2009	15.41	15.49	14.55	14.62
2486	NASDAQ	MKSI	Tue, Feb 17, 2009	15.36	15.76	15.04	15.39
2485	NASDAQ	MKSI	Fri, Feb 13, 2009	15.65	16.25	15.32	15.89
2484	NASDAQ	MKSI	Thu, Feb 12, 2009	14.54	15.90	14.45	15.68
2483	NASDAQ	MKSI	Wed, Feb 11, 2009	14.76	15.10	14.50	14.82
2482	NASDAQ	MKSI	Tue, Feb 10, 2009	15.23	15.73	14.56	14.66
2481	NASDAQ	MKSI	Mon, Feb 9, 2009	15.91	15.94	14.97	15.28
2480	NASDAQ	MKSI	Fri, Feb 6, 2009	15.15	16.07	15.15	15.98
2479	NASDAQ	MKSI	Thu, Feb 5, 2009	14.78	15.49	14.32	15.38
2478	NASDAQ	MKSI	Wed, Feb 4, 2009	13.50	15.78	13.01	14.97
2477	NASDAQ	MKSI	Tue, Feb 3, 2009	14.27	14.76	13.84	14.16
2476	NASDAQ	MKSI	Mon, Feb 2, 2009	13.82	14.30	12.97	14.19
2475	NASDAQ	MKSI	Fri, Jan 30, 2009	14.41	14.56	13.85	14.05
2474	NASDAQ	MKSI	Thu, Jan 29, 2009	14.86	14.86	14.03	14.19
2473	NASDAQ	MKSI	Wed, Jan 28, 2009	14.12	15.14	13.98	15.00
2472	NASDAQ	MKSI	Tue, Jan 27, 2009	13.41	14.13	13.38	13.86
2471	NASDAQ	MKSI	Mon, Jan 26, 2009	13.29	13.80	13.16	13.43
2470	NASDAQ	MKSI	Fri, Jan 23, 2009	12.79	13.56	12.76	13.23
2469	NASDAQ	MKSI	Thu, Jan 22, 2009	13.28	13.47	12.71	13.10
2468	NASDAQ	MKSI	Wed, Jan 21, 2009	13.21	13.72	13.07	13.64
2467	NASDAQ	MKSI	Tue, Jan 20, 2009	13.88	14.22	13.04	13.06
2466	NASDAQ	MKSI	Fri, Jan 16, 2009	13.55	14.08	13.48	14.04
2465	NASDAQ	MKSI	Thu, Jan 15, 2009	13.22	13.49	12.69	13.44
2464	NASDAQ	MKSI	Wed, Jan 14, 2009	13.97	14.44	13.18	13.23
2463	NASDAQ	MKSI	Tue, Jan 13, 2009	14.31	14.59	13.98	14.22
2462	NASDAQ	MKSI	Mon, Jan 12, 2009	14.61	14.98	14.23	14.36
2461	NASDAQ	MKSI	Fri, Jan 9, 2009	15.39	15.40	14.56	14.65
2460	NASDAQ	MKSI	Thu, Jan 8, 2009	15.10	15.48	14.86	15.44
2459	NASDAQ	MKSI	Wed, Jan 7, 2009	15.27	15.42	14.82	15.11
2458	NASDAQ	MKSI	Tue, Jan 6, 2009	15.23	15.63	15.00	15.60
2457	NASDAQ	MKSI	Mon, Jan 5, 2009	15.30	15.45	14.93	15.14
2456	NASDAQ	MKSI	Fri, Jan 2, 2009	14.82	15.35	14.46	15.24
2455	NASDAQ	MKSI	Wed, Dec 31, 2008	14.50	15.08	14.27	14.79
2454	NASDAQ	MKSI	Tue, Dec 30, 2008	13.75	14.44	13.35	14.44
2453	NASDAQ	MKSI	Mon, Dec 29, 2008	14.36	14.36	13.47	13.61
2452	NASDAQ	MKSI	Fri, Dec 26, 2008	14.77	14.77	14.15	14.36
2451	NASDAQ	MKSI	Wed, Dec 24, 2008	14.63	14.87	14.31	14.75
2450	NASDAQ	MKSI	Tue, Dec 23, 2008	14.97	15.25	14.38	14.58
2449	NASDAQ	MKSI	Mon, Dec 22, 2008	15.50	15.50	14.60	15.35
2448	NASDAQ	MKSI	Fri, Dec 19, 2008	15.94	16.28	15.46	15.53
2447	NASDAQ	MKSI	Thu, Dec 18, 2008	16.21	16.30	15.32	15.58
2446	NASDAQ	MKSI	Wed, Dec 17, 2008	15.32	16.71	15.23	16.33
2445	NASDAQ	MKSI	Tue, Dec 16, 2008	14.81	15.68	14.64	15.53
2444	NASDAQ	MKSI	Mon, Dec 15, 2008	14.88	14.98	14.17	14.59
2443	NASDAQ	MKSI	Fri, Dec 12, 2008	14.23	14.86	14.03	14.86
2442	NASDAQ	MKSI	Thu, Dec 11, 2008	14.77	15.43	14.27	14.45
2441	NASDAQ	MKSI	Wed, Dec 10, 2008	14.96	15.60	14.56	14.99
2440	NASDAQ	MKSI	Tue, Dec 9, 2008	13.99	15.04	13.72	14.83
2439	NASDAQ	MKSI	Mon, Dec 8, 2008	14.22	14.36	13.65	14.17
2438	NASDAQ	MKSI	Fri, Dec 5, 2008	12.75	14.22	12.37	14.20
2437	NASDAQ	MKSI	Thu, Dec 4, 2008	12.91	13.64	12.73	12.99
2436	NASDAQ	MKSI	Wed, Dec 3, 2008	12.26	13.23	12.09	13.15
2435	NASDAQ	MKSI	Tue, Dec 2, 2008	13.25	13.26	12.05	12.62
2434	NASDAQ	MKSI	Mon, Dec 1, 2008	13.92	14.35	12.94	13.03
2433	NASDAQ	MKSI	Fri, Nov 28, 2008	14.12	14.34	14.00	14.31
2432	NASDAQ	MKSI	Wed, Nov 26, 2008	13.38	14.30	13.38	14.27
2431	NASDAQ	MKSI	Tue, Nov 25, 2008	13.95	13.95	13.11	13.69
2430	NASDAQ	MKSI	Mon, Nov 24, 2008	12.91	14.19	12.61	13.82
2429	NASDAQ	MKSI	Fri, Nov 21, 2008	12.60	12.83	11.76	12.82
2428	NASDAQ	MKSI	Thu, Nov 20, 2008	13.42	13.71	12.32	12.35
2427	NASDAQ	MKSI	Wed, Nov 19, 2008	14.00	14.29	13.47	13.50
2426	NASDAQ	MKSI	Tue, Nov 18, 2008	13.96	14.41	13.31	13.99
2425	NASDAQ	MKSI	Mon, Nov 17, 2008	13.89	14.27	13.61	13.85
2424	NASDAQ	MKSI	Fri, Nov 14, 2008	14.87	15.10	13.99	13.99
2423	NASDAQ	MKSI	Thu, Nov 13, 2008	14.53	15.31	13.28	15.24
2422	NASDAQ	MKSI	Wed, Nov 12, 2008	15.49	15.52	14.51	14.55
2421	NASDAQ	MKSI	Tue, Nov 11, 2008	16.05	16.47	15.59	15.62
2420	NASDAQ	MKSI	Mon, Nov 10, 2008	16.72	16.72	16.00	16.17
2419	NASDAQ	MKSI	Fri, Nov 7, 2008	16.30	16.59	15.98	16.39
2418	NASDAQ	MKSI	Thu, Nov 6, 2008	17.33	17.52	16.05	16.10
2417	NASDAQ	MKSI	Wed, Nov 5, 2008	18.29	18.69	17.35	17.42
2416	NASDAQ	MKSI	Tue, Nov 4, 2008	18.96	19.09	18.18	18.49
2415	NASDAQ	MKSI	Mon, Nov 3, 2008	18.57	18.87	17.80	18.49
2414	NASDAQ	MKSI	Fri, Oct 31, 2008	17.25	19.19	17.25	18.55
2413	NASDAQ	MKSI	Thu, Oct 30, 2008	17.00	17.57	16.60	17.42
2412	NASDAQ	MKSI	Wed, Oct 29, 2008	16.63	17.00	15.98	16.58
2411	NASDAQ	MKSI	Tue, Oct 28, 2008	15.51	16.55	14.95	16.50
2410	NASDAQ	MKSI	Mon, Oct 27, 2008	15.24	15.92	14.85	15.15
2409	NASDAQ	MKSI	Fri, Oct 24, 2008	14.95	16.16	14.54	15.31
2408	NASDAQ	MKSI	Thu, Oct 23, 2008	15.55	16.70	15.33	15.76
2407	NASDAQ	MKSI	Wed, Oct 22, 2008	15.01	16.11	14.51	15.38
2406	NASDAQ	MKSI	Tue, Oct 21, 2008	16.73	17.28	16.12	16.20
2405	NASDAQ	MKSI	Mon, Oct 20, 2008	16.92	17.28	16.46	17.11
2404	NASDAQ	MKSI	Fri, Oct 17, 2008	16.44	17.67	16.33	16.70
2403	NASDAQ	MKSI	Thu, Oct 16, 2008	16.18	17.07	15.43	17.06
2402	NASDAQ	MKSI	Wed, Oct 15, 2008	17.43	17.65	15.94	15.98
2401	NASDAQ	MKSI	Tue, Oct 14, 2008	18.74	18.89	17.38	17.64
2400	NASDAQ	MKSI	Mon, Oct 13, 2008	17.80	18.71	17.19	18.69
2399	NASDAQ	MKSI	Fri, Oct 10, 2008	15.63	18.21	15.23	17.62
2398	NASDAQ	MKSI	Thu, Oct 9, 2008	17.01	17.52	16.23	16.36
2397	NASDAQ	MKSI	Wed, Oct 8, 2008	16.81	18.13	15.82	16.84
2396	NASDAQ	MKSI	Tue, Oct 7, 2008	17.32	18.44	17.12	17.15
2395	NASDAQ	MKSI	Mon, Oct 6, 2008	17.77	18.05	17.01	17.83
2394	NASDAQ	MKSI	Fri, Oct 3, 2008	18.75	19.02	17.85	17.90
2393	NASDAQ	MKSI	Thu, Oct 2, 2008	19.15	19.43	18.37	18.44
2392	NASDAQ	MKSI	Wed, Oct 1, 2008	19.66	19.79	19.14	19.31
2391	NASDAQ	MKSI	Tue, Sep 30, 2008	20.09	20.11	19.60	19.91
2390	NASDAQ	MKSI	Mon, Sep 29, 2008	19.89	20.50	19.00	19.95
2389	NASDAQ	MKSI	Fri, Sep 26, 2008	19.85	20.37	19.83	20.34
2388	NASDAQ	MKSI	Thu, Sep 25, 2008	20.03	20.51	19.87	20.24
2387	NASDAQ	MKSI	Wed, Sep 24, 2008	20.11	20.66	19.75	19.85
2386	NASDAQ	MKSI	Tue, Sep 23, 2008	21.39	21.73	20.08	20.17
2385	NASDAQ	MKSI	Mon, Sep 22, 2008	22.50	22.77	22.01	22.12
2384	NASDAQ	MKSI	Fri, Sep 19, 2008	21.91	23.00	21.79	22.56
2383	NASDAQ	MKSI	Thu, Sep 18, 2008	20.47	21.72	19.39	21.46
2382	NASDAQ	MKSI	Wed, Sep 17, 2008	21.22	21.22	19.89	20.06
2381	NASDAQ	MKSI	Tue, Sep 16, 2008	20.35	21.46	20.35	21.46
2380	NASDAQ	MKSI	Mon, Sep 15, 2008	21.42	21.70	20.56	20.62
2379	NASDAQ	MKSI	Fri, Sep 12, 2008	21.78	21.98	21.34	21.57
2378	NASDAQ	MKSI	Thu, Sep 11, 2008	21.64	22.07	21.48	21.92
2377	NASDAQ	MKSI	Wed, Sep 10, 2008	21.80	22.14	21.50	21.93
2376	NASDAQ	MKSI	Tue, Sep 9, 2008	22.23	22.60	21.51	21.54
2375	NASDAQ	MKSI	Mon, Sep 8, 2008	21.55	22.22	21.17	22.09
2374	NASDAQ	MKSI	Fri, Sep 5, 2008	21.31	21.55	20.93	21.27
2373	NASDAQ	MKSI	Thu, Sep 4, 2008	21.85	22.00	21.32	21.44
2372	NASDAQ	MKSI	Wed, Sep 3, 2008	22.44	22.59	21.86	21.98
2371	NASDAQ	MKSI	Tue, Sep 2, 2008	22.96	23.22	22.30	22.55
2370	NASDAQ	MKSI	Fri, Aug 29, 2008	23.29	23.29	22.17	22.54
2369	NASDAQ	MKSI	Thu, Aug 28, 2008	22.73	23.27	22.73	23.10
2368	NASDAQ	MKSI	Wed, Aug 27, 2008	22.32	23.07	22.02	22.69
2367	NASDAQ	MKSI	Tue, Aug 26, 2008	22.24	22.54	21.92	22.36
2366	NASDAQ	MKSI	Mon, Aug 25, 2008	22.43	22.78	22.19	22.34
2365	NASDAQ	MKSI	Fri, Aug 22, 2008	22.47	22.80	22.24	22.61
2364	NASDAQ	MKSI	Thu, Aug 21, 2008	22.42	22.93	22.20	22.26
2363	NASDAQ	MKSI	Wed, Aug 20, 2008	22.78	23.38	22.32	22.64
2362	NASDAQ	MKSI	Tue, Aug 19, 2008	22.77	23.00	22.35	22.62
2361	NASDAQ	MKSI	Mon, Aug 18, 2008	23.45	23.62	22.73	22.99
2360	NASDAQ	MKSI	Fri, Aug 15, 2008	23.31	23.87	22.90	23.35
2359	NASDAQ	MKSI	Thu, Aug 14, 2008	22.77	23.21	22.67	22.75
2358	NASDAQ	MKSI	Wed, Aug 13, 2008	22.59	23.25	22.59	22.99
2357	NASDAQ	MKSI	Tue, Aug 12, 2008	22.95	23.39	22.29	22.52
2356	NASDAQ	MKSI	Mon, Aug 11, 2008	22.61	23.70	22.61	23.08
2355	NASDAQ	MKSI	Fri, Aug 8, 2008	21.62	22.70	21.27	22.66
2354	NASDAQ	MKSI	Thu, Aug 7, 2008	21.58	21.98	21.37	21.59
2353	NASDAQ	MKSI	Wed, Aug 6, 2008	21.39	21.80	21.16	21.78
2352	NASDAQ	MKSI	Tue, Aug 5, 2008	21.07	21.56	20.81	21.50
2351	NASDAQ	MKSI	Mon, Aug 4, 2008	21.05	21.27	20.61	20.81
2350	NASDAQ	MKSI	Fri, Aug 1, 2008	20.61	21.26	20.33	21.05
2349	NASDAQ	MKSI	Thu, Jul 31, 2008	20.42	21.36	20.34	20.60
2348	NASDAQ	MKSI	Wed, Jul 30, 2008	20.76	21.39	20.61	20.95
2347	NASDAQ	MKSI	Tue, Jul 29, 2008	20.10	20.91	19.97	20.60
2346	NASDAQ	MKSI	Mon, Jul 28, 2008	20.22	20.23	19.71	19.96
2345	NASDAQ	MKSI	Fri, Jul 25, 2008	21.02	21.02	20.24	20.33
2344	NASDAQ	MKSI	Thu, Jul 24, 2008	20.86	21.25	19.73	20.92
2343	NASDAQ	MKSI	Wed, Jul 23, 2008	24.60	24.95	24.30	24.40
2342	NASDAQ	MKSI	Tue, Jul 22, 2008	24.36	24.86	23.94	24.74
2341	NASDAQ	MKSI	Mon, Jul 21, 2008	24.53	24.71	24.28	24.47
2340	NASDAQ	MKSI	Fri, Jul 18, 2008	24.65	24.72	23.99	24.47
2339	NASDAQ	MKSI	Thu, Jul 17, 2008	24.40	25.00	24.02	24.88
2338	NASDAQ	MKSI	Wed, Jul 16, 2008	24.06	24.63	23.87	24.32
2337	NASDAQ	MKSI	Tue, Jul 15, 2008	22.79	24.09	22.55	24.01
2336	NASDAQ	MKSI	Mon, Jul 14, 2008	23.09	23.42	22.48	23.09
2335	NASDAQ	MKSI	Fri, Jul 11, 2008	23.33	23.51	22.61	22.85
2334	NASDAQ	MKSI	Thu, Jul 10, 2008	22.78	23.63	22.78	23.59
2333	NASDAQ	MKSI	Wed, Jul 9, 2008	22.91	23.50	22.74	22.83
2332	NASDAQ	MKSI	Tue, Jul 8, 2008	22.28	22.93	22.09	22.87
2331	NASDAQ	MKSI	Mon, Jul 7, 2008	22.07	22.47	21.61	22.20
2330	NASDAQ	MKSI	Thu, Jul 3, 2008	21.94	22.42	21.62	21.90
2329	NASDAQ	MKSI	Wed, Jul 2, 2008	21.98	22.20	21.62	21.84
2328	NASDAQ	MKSI	Tue, Jul 1, 2008	22.04	22.10	21.25	22.01
2327	NASDAQ	MKSI	Mon, Jun 30, 2008	22.39	22.65	21.90	21.90
2326	NASDAQ	MKSI	Fri, Jun 27, 2008	22.32	22.69	21.92	22.34
2325	NASDAQ	MKSI	Thu, Jun 26, 2008	22.70	23.13	21.96	22.33
2324	NASDAQ	MKSI	Wed, Jun 25, 2008	22.47	23.29	22.47	23.03
2323	NASDAQ	MKSI	Tue, Jun 24, 2008	22.21	22.96	22.14	22.41
2322	NASDAQ	MKSI	Mon, Jun 23, 2008	23.22	23.22	22.34	22.37
2321	NASDAQ	MKSI	Fri, Jun 20, 2008	24.04	24.29	23.00	23.17
2320	NASDAQ	MKSI	Thu, Jun 19, 2008	23.95	24.26	23.53	24.18
2319	NASDAQ	MKSI	Wed, Jun 18, 2008	24.64	24.97	24.09	24.14
2318	NASDAQ	MKSI	Tue, Jun 17, 2008	25.10	25.10	24.60	24.71
2317	NASDAQ	MKSI	Mon, Jun 16, 2008	24.34	25.17	24.12	25.10
2316	NASDAQ	MKSI	Fri, Jun 13, 2008	24.13	24.78	24.03	24.42
2315	NASDAQ	MKSI	Thu, Jun 12, 2008	23.58	24.60	23.53	23.86
2314	NASDAQ	MKSI	Wed, Jun 11, 2008	24.00	24.08	23.33	23.35
2313	NASDAQ	MKSI	Tue, Jun 10, 2008	23.73	24.24	23.52	24.01
2312	NASDAQ	MKSI	Mon, Jun 9, 2008	24.10	24.21	23.57	23.96
2311	NASDAQ	MKSI	Fri, Jun 6, 2008	24.61	24.84	24.00	24.08
2310	NASDAQ	MKSI	Thu, Jun 5, 2008	24.30	24.82	24.03	24.82
2309	NASDAQ	MKSI	Wed, Jun 4, 2008	23.61	24.67	23.60	24.28
2308	NASDAQ	MKSI	Tue, Jun 3, 2008	23.78	23.94	23.24	23.75
2307	NASDAQ	MKSI	Mon, Jun 2, 2008	23.46	24.07	23.28	23.78
2306	NASDAQ	MKSI	Fri, May 30, 2008	23.52	23.73	23.31	23.56
2305	NASDAQ	MKSI	Thu, May 29, 2008	23.26	23.93	23.26	23.45
2304	NASDAQ	MKSI	Wed, May 28, 2008	23.61	24.06	23.09	23.20
2303	NASDAQ	MKSI	Tue, May 27, 2008	23.75	24.10	23.59	23.95
2302	NASDAQ	MKSI	Fri, May 23, 2008	23.73	23.77	23.11	23.68
2301	NASDAQ	MKSI	Thu, May 22, 2008	23.82	24.07	23.50	23.88
2300	NASDAQ	MKSI	Wed, May 21, 2008	24.06	24.66	23.58	23.78
2299	NASDAQ	MKSI	Tue, May 20, 2008	24.87	24.99	23.99	24.28
2298	NASDAQ	MKSI	Mon, May 19, 2008	25.25	25.88	24.98	24.98
2297	NASDAQ	MKSI	Fri, May 16, 2008	25.26	25.32	24.42	25.27
2296	NASDAQ	MKSI	Thu, May 15, 2008	25.21	25.25	24.71	25.15
2295	NASDAQ	MKSI	Wed, May 14, 2008	24.76	25.75	24.73	25.26
2294	NASDAQ	MKSI	Tue, May 13, 2008	24.92	24.97	24.56	24.75
2293	NASDAQ	MKSI	Mon, May 12, 2008	24.10	24.98	24.03	24.96
2292	NASDAQ	MKSI	Fri, May 9, 2008	23.94	24.50	23.94	24.07
2291	NASDAQ	MKSI	Thu, May 8, 2008	23.89	24.48	23.80	24.20
2290	NASDAQ	MKSI	Wed, May 7, 2008	23.81	24.41	23.73	23.84
2289	NASDAQ	MKSI	Tue, May 6, 2008	23.37	23.99	23.37	23.77
2288	NASDAQ	MKSI	Mon, May 5, 2008	23.52	23.90	23.32	23.63
2287	NASDAQ	MKSI	Fri, May 2, 2008	24.16	24.16	23.55	23.76
2286	NASDAQ	MKSI	Thu, May 1, 2008	22.79	24.03	22.79	23.91
2285	NASDAQ	MKSI	Wed, Apr 30, 2008	23.75	24.13	22.80	22.85
2284	NASDAQ	MKSI	Tue, Apr 29, 2008	23.85	24.69	23.79	23.82
2283	NASDAQ	MKSI	Mon, Apr 28, 2008	23.78	24.29	23.22	23.96
2282	NASDAQ	MKSI	Fri, Apr 25, 2008	24.48	24.48	22.86	23.86
2281	NASDAQ	MKSI	Thu, Apr 24, 2008	21.64	24.65	21.63	24.48
2280	NASDAQ	MKSI	Wed, Apr 23, 2008	21.84	22.22	21.66	22.07
2279	NASDAQ	MKSI	Tue, Apr 22, 2008	22.90	22.93	21.68	21.86
2278	NASDAQ	MKSI	Mon, Apr 21, 2008	22.78	23.26	22.71	23.06
2277	NASDAQ	MKSI	Fri, Apr 18, 2008	23.23	23.97	22.99	23.00
2276	NASDAQ	MKSI	Thu, Apr 17, 2008	22.44	22.48	22.00	22.38
2275	NASDAQ	MKSI	Wed, Apr 16, 2008	21.46	22.65	20.91	22.54
2274	NASDAQ	MKSI	Tue, Apr 15, 2008	21.58	21.77	21.04	21.24
2273	NASDAQ	MKSI	Mon, Apr 14, 2008	21.41	21.87	21.30	21.48
2272	NASDAQ	MKSI	Fri, Apr 11, 2008	21.82	21.87	21.27	21.46
2271	NASDAQ	MKSI	Thu, Apr 10, 2008	21.58	22.32	21.56	22.05
2270	NASDAQ	MKSI	Wed, Apr 9, 2008	22.01	22.04	21.35	21.54
2269	NASDAQ	MKSI	Tue, Apr 8, 2008	22.00	22.05	21.70	21.94
2268	NASDAQ	MKSI	Mon, Apr 7, 2008	22.73	22.89	22.17	22.22
2267	NASDAQ	MKSI	Fri, Apr 4, 2008	22.93	22.93	22.37	22.62
2266	NASDAQ	MKSI	Thu, Apr 3, 2008	22.46	23.10	22.41	22.96
2265	NASDAQ	MKSI	Wed, Apr 2, 2008	22.17	22.85	22.17	22.74
2264	NASDAQ	MKSI	Tue, Apr 1, 2008	21.87	22.58	21.76	22.19
2263	NASDAQ	MKSI	Mon, Mar 31, 2008	21.31	21.55	21.19	21.40
2262	NASDAQ	MKSI	Fri, Mar 28, 2008	21.09	21.57	21.09	21.23
2261	NASDAQ	MKSI	Thu, Mar 27, 2008	21.89	22.00	21.08	21.10
2260	NASDAQ	MKSI	Wed, Mar 26, 2008	21.94	22.00	21.50	21.82
2259	NASDAQ	MKSI	Tue, Mar 25, 2008	21.87	22.24	21.60	22.08
2258	NASDAQ	MKSI	Mon, Mar 24, 2008	20.85	22.00	20.75	21.84
2257	NASDAQ	MKSI	Thu, Mar 20, 2008	19.77	20.85	19.77	20.73
2256	NASDAQ	MKSI	Wed, Mar 19, 2008	20.57	20.79	19.77	19.77
2255	NASDAQ	MKSI	Tue, Mar 18, 2008	20.38	20.72	20.03	20.38
2254	NASDAQ	MKSI	Mon, Mar 17, 2008	19.85	20.36	19.80	19.95
2253	NASDAQ	MKSI	Fri, Mar 14, 2008	21.29	21.29	20.14	20.35
2252	NASDAQ	MKSI	Thu, Mar 13, 2008	20.35	21.38	20.19	21.15
2251	NASDAQ	MKSI	Wed, Mar 12, 2008	20.59	21.17	20.47	20.49
2250	NASDAQ	MKSI	Tue, Mar 11, 2008	20.27	20.72	19.91	20.54
2249	NASDAQ	MKSI	Mon, Mar 10, 2008	20.12	20.15	19.64	19.71
2248	NASDAQ	MKSI	Fri, Mar 7, 2008	20.00	20.31	19.61	20.11
2247	NASDAQ	MKSI	Thu, Mar 6, 2008	20.00	20.41	19.82	19.86
2246	NASDAQ	MKSI	Wed, Mar 5, 2008	20.19	20.56	20.04	20.15
2245	NASDAQ	MKSI	Tue, Mar 4, 2008	19.49	20.42	19.43	20.23
2244	NASDAQ	MKSI	Mon, Mar 3, 2008	20.14	20.17	19.46	19.67
2243	NASDAQ	MKSI	Fri, Feb 29, 2008	20.11	20.41	20.03	20.09
2242	NASDAQ	MKSI	Thu, Feb 28, 2008	20.83	20.96	20.36	20.40
2241	NASDAQ	MKSI	Wed, Feb 27, 2008	20.37	21.19	20.37	20.97
2240	NASDAQ	MKSI	Tue, Feb 26, 2008	20.22	20.92	20.22	20.61
2239	NASDAQ	MKSI	Mon, Feb 25, 2008	19.66	20.46	19.52	20.40
2238	NASDAQ	MKSI	Fri, Feb 22, 2008	19.88	19.94	19.29	19.73
2237	NASDAQ	MKSI	Thu, Feb 21, 2008	20.66	20.97	19.73	19.81
2236	NASDAQ	MKSI	Wed, Feb 20, 2008	19.95	20.70	19.95	20.55
2235	NASDAQ	MKSI	Tue, Feb 19, 2008	20.35	20.58	19.92	20.07
2234	NASDAQ	MKSI	Fri, Feb 15, 2008	19.93	20.30	19.70	20.15
2233	NASDAQ	MKSI	Thu, Feb 14, 2008	20.35	20.54	20.08	20.09
2232	NASDAQ	MKSI	Wed, Feb 13, 2008	20.09	20.40	19.95	20.26
2231	NASDAQ	MKSI	Tue, Feb 12, 2008	19.77	20.16	19.52	19.85
2230	NASDAQ	MKSI	Mon, Feb 11, 2008	19.60	19.93	19.36	19.71
2229	NASDAQ	MKSI	Fri, Feb 8, 2008	19.64	19.81	19.37	19.59
2228	NASDAQ	MKSI	Thu, Feb 7, 2008	19.25	21.31	18.66	19.84
2227	NASDAQ	MKSI	Wed, Feb 6, 2008	18.82	18.99	17.77	17.89
2226	NASDAQ	MKSI	Tue, Feb 5, 2008	18.84	19.21	18.47	18.48
2225	NASDAQ	MKSI	Mon, Feb 4, 2008	19.62	19.63	18.99	19.27
2224	NASDAQ	MKSI	Fri, Feb 1, 2008	18.79	19.69	18.62	19.63
2223	NASDAQ	MKSI	Thu, Jan 31, 2008	18.40	19.32	18.40	18.60
2222	NASDAQ	MKSI	Wed, Jan 30, 2008	18.71	19.27	18.50	18.62
2221	NASDAQ	MKSI	Tue, Jan 29, 2008	18.99	19.00	18.37	18.88
2220	NASDAQ	MKSI	Mon, Jan 28, 2008	18.09	18.95	17.72	18.93
2219	NASDAQ	MKSI	Fri, Jan 25, 2008	17.90	18.40	17.61	18.09
2218	NASDAQ	MKSI	Thu, Jan 24, 2008	17.32	18.28	16.95	17.61
2217	NASDAQ	MKSI	Wed, Jan 23, 2008	15.95	17.26	15.90	17.26
2216	NASDAQ	MKSI	Tue, Jan 22, 2008	16.57	17.51	16.45	16.82
2215	NASDAQ	MKSI	Fri, Jan 18, 2008	16.85	17.66	16.82	16.87
2214	NASDAQ	MKSI	Thu, Jan 17, 2008	17.25	17.54	16.80	16.82
2213	NASDAQ	MKSI	Wed, Jan 16, 2008	16.47	17.72	16.47	17.22
2212	NASDAQ	MKSI	Tue, Jan 15, 2008	16.66	16.82	16.31	16.50
2211	NASDAQ	MKSI	Mon, Jan 14, 2008	16.52	17.05	16.36	16.93
2210	NASDAQ	MKSI	Fri, Jan 11, 2008	16.88	16.91	16.30	16.38
2209	NASDAQ	MKSI	Thu, Jan 10, 2008	16.63	17.42	16.50	17.08
2208	NASDAQ	MKSI	Wed, Jan 9, 2008	16.60	17.00	16.23	16.89
2207	NASDAQ	MKSI	Tue, Jan 8, 2008	17.18	17.50	16.57	16.61
2206	NASDAQ	MKSI	Mon, Jan 7, 2008	16.98	17.33	16.81	17.06
2205	NASDAQ	MKSI	Fri, Jan 4, 2008	17.81	17.93	16.76	16.87
2204	NASDAQ	MKSI	Thu, Jan 3, 2008	18.83	18.85	18.00	18.01
2203	NASDAQ	MKSI	Wed, Jan 2, 2008	19.14	19.53	18.19	18.64
2202	NASDAQ	MKSI	Mon, Dec 31, 2007	19.35	19.65	19.01	19.14
2201	NASDAQ	MKSI	Fri, Dec 28, 2007	19.56	19.92	19.39	19.41
2200	NASDAQ	MKSI	Thu, Dec 27, 2007	19.65	20.08	19.27	19.30
2199	NASDAQ	MKSI	Wed, Dec 26, 2007	19.43	19.94	19.42	19.75
2198	NASDAQ	MKSI	Mon, Dec 24, 2007	19.13	19.72	19.07	19.60
2197	NASDAQ	MKSI	Fri, Dec 21, 2007	18.64	19.19	18.62	19.02
2196	NASDAQ	MKSI	Thu, Dec 20, 2007	18.20	18.59	18.06	18.31
2195	NASDAQ	MKSI	Wed, Dec 19, 2007	18.07	18.26	17.97	18.00
2194	NASDAQ	MKSI	Tue, Dec 18, 2007	18.07	18.60	17.78	18.13
2193	NASDAQ	MKSI	Mon, Dec 17, 2007	18.24	18.52	17.78	17.78
2192	NASDAQ	MKSI	Fri, Dec 14, 2007	18.19	18.79	18.17	18.35
2191	NASDAQ	MKSI	Thu, Dec 13, 2007	18.43	18.76	18.30	18.38
2190	NASDAQ	MKSI	Wed, Dec 12, 2007	18.52	19.12	18.48	18.68
2189	NASDAQ	MKSI	Tue, Dec 11, 2007	18.68	19.03	18.29	18.29
2188	NASDAQ	MKSI	Mon, Dec 10, 2007	18.46	18.79	18.41	18.60
2187	NASDAQ	MKSI	Fri, Dec 7, 2007	18.49	18.59	18.22	18.41
2186	NASDAQ	MKSI	Thu, Dec 6, 2007	17.90	18.53	17.89	18.41
2185	NASDAQ	MKSI	Wed, Dec 5, 2007	17.92	18.10	17.55	17.92
2184	NASDAQ	MKSI	Tue, Dec 4, 2007	17.80	18.05	17.55	17.58
2183	NASDAQ	MKSI	Mon, Dec 3, 2007	18.13	18.44	17.94	17.98
2182	NASDAQ	MKSI	Fri, Nov 30, 2007	18.16	18.57	17.83	18.17
2181	NASDAQ	MKSI	Thu, Nov 29, 2007	18.00	18.15	17.90	17.94
2180	NASDAQ	MKSI	Wed, Nov 28, 2007	17.59	18.16	17.59	18.05
2179	NASDAQ	MKSI	Tue, Nov 27, 2007	17.36	17.47	17.02	17.23
2178	NASDAQ	MKSI	Mon, Nov 26, 2007	17.97	18.18	17.27	17.27
2177	NASDAQ	MKSI	Fri, Nov 23, 2007	17.83	18.12	17.83	17.98
2176	NASDAQ	MKSI	Wed, Nov 21, 2007	17.41	17.96	17.16	17.62
2175	NASDAQ	MKSI	Tue, Nov 20, 2007	17.14	17.77	17.13	17.55
2174	NASDAQ	MKSI	Mon, Nov 19, 2007	17.50	17.60	17.13	17.13
2173	NASDAQ	MKSI	Fri, Nov 16, 2007	17.77	18.10	17.50	17.73
2172	NASDAQ	MKSI	Thu, Nov 15, 2007	17.88	18.15	17.48	17.72
2171	NASDAQ	MKSI	Wed, Nov 14, 2007	17.87	18.27	17.79	18.01
2170	NASDAQ	MKSI	Tue, Nov 13, 2007	18.04	18.34	17.63	17.73
2169	NASDAQ	MKSI	Mon, Nov 12, 2007	17.40	18.37	17.40	17.89
2168	NASDAQ	MKSI	Fri, Nov 9, 2007	17.10	17.97	17.02	17.65
2167	NASDAQ	MKSI	Thu, Nov 8, 2007	17.72	17.72	16.94	17.37
2166	NASDAQ	MKSI	Wed, Nov 7, 2007	17.99	18.12	17.29	17.29
2165	NASDAQ	MKSI	Tue, Nov 6, 2007	18.21	18.64	17.86	18.40
2164	NASDAQ	MKSI	Mon, Nov 5, 2007	18.36	18.72	18.11	18.11
2163	NASDAQ	MKSI	Fri, Nov 2, 2007	18.76	18.82	18.34	18.69
2162	NASDAQ	MKSI	Thu, Nov 1, 2007	19.79	19.83	18.48	18.52
2161	NASDAQ	MKSI	Wed, Oct 31, 2007	20.05	20.23	19.61	20.08
2160	NASDAQ	MKSI	Tue, Oct 30, 2007	19.57	20.10	19.57	19.90
2159	NASDAQ	MKSI	Mon, Oct 29, 2007	19.62	19.99	19.48	19.70
2158	NASDAQ	MKSI	Fri, Oct 26, 2007	19.48	20.09	19.48	19.72
2157	NASDAQ	MKSI	Thu, Oct 25, 2007	19.59	19.70	18.91	19.26
2156	NASDAQ	MKSI	Wed, Oct 24, 2007	20.39	20.39	19.39	19.99
2155	NASDAQ	MKSI	Tue, Oct 23, 2007	20.36	20.38	19.89	20.37
2154	NASDAQ	MKSI	Mon, Oct 22, 2007	18.95	20.01	18.74	20.00
2153	NASDAQ	MKSI	Fri, Oct 19, 2007	20.10	20.11	19.12	19.12
2152	NASDAQ	MKSI	Thu, Oct 18, 2007	20.20	20.28	19.92	20.12
2151	NASDAQ	MKSI	Wed, Oct 17, 2007	20.03	20.47	19.86	20.32
2150	NASDAQ	MKSI	Tue, Oct 16, 2007	19.78	20.20	19.78	19.80
2149	NASDAQ	MKSI	Mon, Oct 15, 2007	20.25	20.46	19.68	19.82
2148	NASDAQ	MKSI	Fri, Oct 12, 2007	19.87	20.50	19.81	20.26
2147	NASDAQ	MKSI	Thu, Oct 11, 2007	20.16	20.47	19.78	19.88
2146	NASDAQ	MKSI	Wed, Oct 10, 2007	21.00	21.00	19.92	20.14
2145	NASDAQ	MKSI	Tue, Oct 9, 2007	21.01	21.23	20.92	21.16
2144	NASDAQ	MKSI	Mon, Oct 8, 2007	21.06	21.22	20.89	20.96
2143	NASDAQ	MKSI	Fri, Oct 5, 2007	20.76	21.37	20.49	21.15
2142	NASDAQ	MKSI	Thu, Oct 4, 2007	20.82	21.09	20.47	20.49
2141	NASDAQ	MKSI	Wed, Oct 3, 2007	20.72	21.13	20.57	20.74
2140	NASDAQ	MKSI	Tue, Oct 2, 2007	20.45	21.71	20.34	20.96
2139	NASDAQ	MKSI	Mon, Oct 1, 2007	19.01	19.71	19.01	19.58
2138	NASDAQ	MKSI	Fri, Sep 28, 2007	19.27	19.49	18.91	19.02
2137	NASDAQ	MKSI	Thu, Sep 27, 2007	19.61	19.74	19.29	19.31
2136	NASDAQ	MKSI	Wed, Sep 26, 2007	19.81	19.89	19.51	19.56
2135	NASDAQ	MKSI	Tue, Sep 25, 2007	19.69	19.90	19.58	19.75
2134	NASDAQ	MKSI	Mon, Sep 24, 2007	19.90	20.08	19.69	19.82
2133	NASDAQ	MKSI	Fri, Sep 21, 2007	20.05	20.25	19.87	19.94
2132	NASDAQ	MKSI	Thu, Sep 20, 2007	20.05	20.11	19.99	20.05
2131	NASDAQ	MKSI	Wed, Sep 19, 2007	20.19	20.19	19.99	20.02
2130	NASDAQ	MKSI	Tue, Sep 18, 2007	20.03	20.40	19.76	20.02
2129	NASDAQ	MKSI	Mon, Sep 17, 2007	20.01	20.16	19.78	19.88
2128	NASDAQ	MKSI	Fri, Sep 14, 2007	20.37	20.64	19.78	20.11
2127	NASDAQ	MKSI	Thu, Sep 13, 2007	20.77	20.95	20.49	20.57
2126	NASDAQ	MKSI	Wed, Sep 12, 2007	20.99	21.26	20.71	20.75
2125	NASDAQ	MKSI	Tue, Sep 11, 2007	21.01	21.21	20.80	21.03
2124	NASDAQ	MKSI	Mon, Sep 10, 2007	21.46	21.61	20.78	20.92
2123	NASDAQ	MKSI	Fri, Sep 7, 2007	21.51	21.74	21.17	21.28
2122	NASDAQ	MKSI	Thu, Sep 6, 2007	21.76	22.19	21.68	21.79
2121	NASDAQ	MKSI	Wed, Sep 5, 2007	22.05	22.11	21.57	21.74
2120	NASDAQ	MKSI	Tue, Sep 4, 2007	21.99	22.50	21.81	22.15
2119	NASDAQ	MKSI	Fri, Aug 31, 2007	22.12	22.19	21.62	22.04
2118	NASDAQ	MKSI	Thu, Aug 30, 2007	21.64	22.16	21.45	21.80
2117	NASDAQ	MKSI	Wed, Aug 29, 2007	21.18	21.93	21.07	21.90
2116	NASDAQ	MKSI	Tue, Aug 28, 2007	22.00	22.00	20.89	20.96
2115	NASDAQ	MKSI	Mon, Aug 27, 2007	22.88	22.95	22.21	22.29
2114	NASDAQ	MKSI	Fri, Aug 24, 2007	22.57	23.01	22.44	23.00
2113	NASDAQ	MKSI	Thu, Aug 23, 2007	22.75	22.81	22.29	22.58
2112	NASDAQ	MKSI	Wed, Aug 22, 2007	22.25	22.75	22.21	22.66
2111	NASDAQ	MKSI	Tue, Aug 21, 2007	22.20	22.40	21.76	21.95
2110	NASDAQ	MKSI	Mon, Aug 20, 2007	22.97	23.12	21.78	22.00
2109	NASDAQ	MKSI	Fri, Aug 17, 2007	23.03	23.60	22.75	22.97
2108	NASDAQ	MKSI	Thu, Aug 16, 2007	21.41	22.47	21.23	22.12
2107	NASDAQ	MKSI	Wed, Aug 15, 2007	21.60	22.26	21.39	21.45
2106	NASDAQ	MKSI	Tue, Aug 14, 2007	22.02	22.44	21.60	21.71
2105	NASDAQ	MKSI	Mon, Aug 13, 2007	23.22	23.69	21.69	21.75
2104	NASDAQ	MKSI	Fri, Aug 10, 2007	20.37	23.05	20.12	22.87
2103	NASDAQ	MKSI	Thu, Aug 9, 2007	20.84	21.11	19.50	20.65
2102	NASDAQ	MKSI	Wed, Aug 8, 2007	21.06	21.80	20.82	21.00
2101	NASDAQ	MKSI	Tue, Aug 7, 2007	20.75	20.93	20.20	20.81
2100	NASDAQ	MKSI	Mon, Aug 6, 2007	20.81	20.91	20.29	20.79
2099	NASDAQ	MKSI	Fri, Aug 3, 2007	22.07	22.08	20.65	20.69
2098	NASDAQ	MKSI	Thu, Aug 2, 2007	22.58	22.62	21.94	22.04
2097	NASDAQ	MKSI	Wed, Aug 1, 2007	22.66	22.82	21.81	22.40
2096	NASDAQ	MKSI	Tue, Jul 31, 2007	23.47	23.60	22.63	22.70
2095	NASDAQ	MKSI	Mon, Jul 30, 2007	23.15	23.47	22.89	23.21
2094	NASDAQ	MKSI	Fri, Jul 27, 2007	23.75	23.97	23.05	23.11
2093	NASDAQ	MKSI	Thu, Jul 26, 2007	22.70	25.45	22.53	23.90
2092	NASDAQ	MKSI	Wed, Jul 25, 2007	26.60	26.96	26.21	26.68
2091	NASDAQ	MKSI	Tue, Jul 24, 2007	26.84	26.98	26.41	26.54
2090	NASDAQ	MKSI	Mon, Jul 23, 2007	27.29	27.69	27.06	27.12
2089	NASDAQ	MKSI	Fri, Jul 20, 2007	27.30	27.48	26.86	27.21
2088	NASDAQ	MKSI	Thu, Jul 19, 2007	27.27	27.45	27.15	27.37
2087	NASDAQ	MKSI	Wed, Jul 18, 2007	27.18	27.22	26.85	27.13
2086	NASDAQ	MKSI	Tue, Jul 17, 2007	26.21	27.62	26.21	27.30
2085	NASDAQ	MKSI	Mon, Jul 16, 2007	26.40	26.56	26.08	26.20
2084	NASDAQ	MKSI	Fri, Jul 13, 2007	27.00	27.11	26.45	26.50
2083	NASDAQ	MKSI	Thu, Jul 12, 2007	26.86	27.11	26.85	27.08
2082	NASDAQ	MKSI	Wed, Jul 11, 2007	26.95	27.00	26.70	26.84
2081	NASDAQ	MKSI	Tue, Jul 10, 2007	27.36	27.46	26.78	27.01
2080	NASDAQ	MKSI	Mon, Jul 9, 2007	27.14	27.62	27.14	27.50
2079	NASDAQ	MKSI	Fri, Jul 6, 2007	27.56	27.67	27.00	27.20
2078	NASDAQ	MKSI	Thu, Jul 5, 2007	27.83	27.83	27.37	27.62
2077	NASDAQ	MKSI	Tue, Jul 3, 2007	27.68	27.84	27.51	27.79
2076	NASDAQ	MKSI	Mon, Jul 2, 2007	27.78	28.15	27.58	27.68
2075	NASDAQ	MKSI	Fri, Jun 29, 2007	28.02	28.47	27.66	27.70
2074	NASDAQ	MKSI	Thu, Jun 28, 2007	27.70	28.07	27.40	27.98
2073	NASDAQ	MKSI	Wed, Jun 27, 2007	27.51	28.13	27.50	28.07
2072	NASDAQ	MKSI	Tue, Jun 26, 2007	27.78	28.02	27.53	27.66
2071	NASDAQ	MKSI	Mon, Jun 25, 2007	27.50	28.07	27.33	27.60
2070	NASDAQ	MKSI	Fri, Jun 22, 2007	27.84	28.07	27.42	27.50
2069	NASDAQ	MKSI	Thu, Jun 21, 2007	27.53	27.96	27.25	27.81
2068	NASDAQ	MKSI	Wed, Jun 20, 2007	27.66	27.89	27.42	27.56
2067	NASDAQ	MKSI	Tue, Jun 19, 2007	27.74	27.74	27.25	27.70
2066	NASDAQ	MKSI	Mon, Jun 18, 2007	27.95	28.10	27.76	27.97
2065	NASDAQ	MKSI	Fri, Jun 15, 2007	28.00	28.16	27.69	27.99
2064	NASDAQ	MKSI	Thu, Jun 14, 2007	27.65	28.10	27.65	27.78
2063	NASDAQ	MKSI	Wed, Jun 13, 2007	27.03	27.69	27.00	27.58
2062	NASDAQ	MKSI	Tue, Jun 12, 2007	27.30	27.31	26.93	26.96
2061	NASDAQ	MKSI	Mon, Jun 11, 2007	27.10	27.77	27.07	27.46
2060	NASDAQ	MKSI	Fri, Jun 8, 2007	26.42	27.25	26.29	27.16
2059	NASDAQ	MKSI	Thu, Jun 7, 2007	26.72	26.75	26.13	26.43
2058	NASDAQ	MKSI	Wed, Jun 6, 2007	26.81	27.14	26.73	26.75
2057	NASDAQ	MKSI	Tue, Jun 5, 2007	27.20	27.35	26.88	26.99
2056	NASDAQ	MKSI	Mon, Jun 4, 2007	27.18	27.45	26.99	27.30
2055	NASDAQ	MKSI	Fri, Jun 1, 2007	27.33	27.54	27.18	27.42
2054	NASDAQ	MKSI	Thu, May 31, 2007	26.99	27.34	26.92	27.25
2053	NASDAQ	MKSI	Wed, May 30, 2007	26.54	26.96	26.24	26.92
2052	NASDAQ	MKSI	Tue, May 29, 2007	26.39	26.82	26.39	26.67
2051	NASDAQ	MKSI	Fri, May 25, 2007	26.06	26.49	25.94	26.28
2050	NASDAQ	MKSI	Thu, May 24, 2007	26.62	26.79	25.91	25.95
2049	NASDAQ	MKSI	Wed, May 23, 2007	27.11	27.39	26.67	26.70
2048	NASDAQ	MKSI	Tue, May 22, 2007	26.93	27.26	26.74	27.12
2047	NASDAQ	MKSI	Mon, May 21, 2007	26.83	27.48	26.70	27.00
2046	NASDAQ	MKSI	Fri, May 18, 2007	26.58	26.85	26.37	26.71
2045	NASDAQ	MKSI	Thu, May 17, 2007	26.89	26.89	26.44	26.46
2044	NASDAQ	MKSI	Wed, May 16, 2007	26.76	26.89	26.30	26.86
2043	NASDAQ	MKSI	Tue, May 15, 2007	27.09	27.52	26.98	27.10
2042	NASDAQ	MKSI	Mon, May 14, 2007	27.30	27.39	26.83	27.20
2041	NASDAQ	MKSI	Fri, May 11, 2007	26.42	27.22	26.31	27.22
2040	NASDAQ	MKSI	Thu, May 10, 2007	26.68	26.72	26.08	26.28
2039	NASDAQ	MKSI	Wed, May 9, 2007	25.73	26.81	25.55	26.75
2038	NASDAQ	MKSI	Tue, May 8, 2007	27.36	27.57	26.96	27.48
2037	NASDAQ	MKSI	Mon, May 7, 2007	27.60	27.60	27.35	27.46
2036	NASDAQ	MKSI	Fri, May 4, 2007	27.49	27.60	27.21	27.60
2035	NASDAQ	MKSI	Thu, May 3, 2007	27.39	27.57	27.20	27.41
2034	NASDAQ	MKSI	Wed, May 2, 2007	27.32	27.60	27.21	27.45
2033	NASDAQ	MKSI	Tue, May 1, 2007	26.99	27.53	26.92	27.31
2032	NASDAQ	MKSI	Mon, Apr 30, 2007	27.51	27.56	26.90	26.95
2031	NASDAQ	MKSI	Fri, Apr 27, 2007	27.66	27.80	26.99	27.69
2030	NASDAQ	MKSI	Thu, Apr 26, 2007	27.07	28.08	26.72	27.78
2029	NASDAQ	MKSI	Wed, Apr 25, 2007	27.11	27.42	27.05	27.17
2028	NASDAQ	MKSI	Tue, Apr 24, 2007	27.31	27.46	26.87	27.22
2027	NASDAQ	MKSI	Mon, Apr 23, 2007	27.65	27.65	27.30	27.39
2026	NASDAQ	MKSI	Fri, Apr 20, 2007	27.37	27.69	27.12	27.59
2025	NASDAQ	MKSI	Thu, Apr 19, 2007	26.72	27.01	26.51	26.98
2024	NASDAQ	MKSI	Wed, Apr 18, 2007	26.89	27.06	26.57	26.83
2023	NASDAQ	MKSI	Tue, Apr 17, 2007	27.12	27.13	26.72	26.96
2022	NASDAQ	MKSI	Mon, Apr 16, 2007	26.75	27.34	26.71	27.21
2021	NASDAQ	MKSI	Fri, Apr 13, 2007	26.36	26.67	26.06	26.64
2020	NASDAQ	MKSI	Thu, Apr 12, 2007	25.96	26.41	25.81	26.40
2019	NASDAQ	MKSI	Wed, Apr 11, 2007	26.40	26.40	25.86	26.11
2018	NASDAQ	MKSI	Tue, Apr 10, 2007	26.13	26.50	26.10	26.31
2017	NASDAQ	MKSI	Mon, Apr 9, 2007	26.50	26.50	26.07	26.17
2016	NASDAQ	MKSI	Thu, Apr 5, 2007	26.36	26.58	26.27	26.47
2015	NASDAQ	MKSI	Wed, Apr 4, 2007	26.21	26.35	25.92	26.29
2014	NASDAQ	MKSI	Tue, Apr 3, 2007	26.00	26.31	25.71	26.11
2013	NASDAQ	MKSI	Mon, Apr 2, 2007	25.63	25.92	25.46	25.91
2012	NASDAQ	MKSI	Fri, Mar 30, 2007	25.35	25.72	25.26	25.52
2011	NASDAQ	MKSI	Thu, Mar 29, 2007	25.73	25.73	24.92	25.33
2010	NASDAQ	MKSI	Wed, Mar 28, 2007	25.65	25.70	25.18	25.54
2009	NASDAQ	MKSI	Tue, Mar 27, 2007	25.80	26.00	25.44	25.93
2008	NASDAQ	MKSI	Mon, Mar 26, 2007	25.78	25.97	25.18	25.93
2007	NASDAQ	MKSI	Fri, Mar 23, 2007	25.51	25.99	25.39	25.90
2006	NASDAQ	MKSI	Thu, Mar 22, 2007	25.79	26.00	25.56	25.84
2005	NASDAQ	MKSI	Wed, Mar 21, 2007	25.22	25.92	24.92	25.91
2004	NASDAQ	MKSI	Tue, Mar 20, 2007	25.04	25.36	24.77	25.27
2003	NASDAQ	MKSI	Mon, Mar 19, 2007	24.95	25.22	24.66	25.20
2002	NASDAQ	MKSI	Fri, Mar 16, 2007	24.87	24.94	24.47	24.63
2001	NASDAQ	MKSI	Thu, Mar 15, 2007	24.55	24.95	24.50	24.88
2000	NASDAQ	MKSI	Wed, Mar 14, 2007	24.15	24.67	23.88	24.49
1999	NASDAQ	MKSI	Tue, Mar 13, 2007	24.90	24.90	24.14	24.21
1998	NASDAQ	MKSI	Mon, Mar 12, 2007	24.37	25.00	24.36	24.92
1997	NASDAQ	MKSI	Fri, Mar 9, 2007	24.73	24.73	24.11	24.33
1996	NASDAQ	MKSI	Thu, Mar 8, 2007	23.90	24.64	23.69	24.54
1995	NASDAQ	MKSI	Wed, Mar 7, 2007	23.54	23.78	23.26	23.51
1994	NASDAQ	MKSI	Tue, Mar 6, 2007	23.04	23.67	22.79	23.52
1993	NASDAQ	MKSI	Mon, Mar 5, 2007	23.11	23.50	22.58	22.68
1992	NASDAQ	MKSI	Fri, Mar 2, 2007	23.59	23.68	23.08	23.11
1991	NASDAQ	MKSI	Thu, Mar 1, 2007	23.72	24.04	23.24	23.70
1990	NASDAQ	MKSI	Wed, Feb 28, 2007	24.02	24.37	23.56	24.12
1989	NASDAQ	MKSI	Tue, Feb 27, 2007	24.02	24.33	23.75	23.91
1988	NASDAQ	MKSI	Mon, Feb 26, 2007	25.03	25.03	24.39	24.59
1987	NASDAQ	MKSI	Fri, Feb 23, 2007	24.73	25.20	24.68	25.04
1986	NASDAQ	MKSI	Thu, Feb 22, 2007	24.43	25.00	24.30	24.94
1985	NASDAQ	MKSI	Wed, Feb 21, 2007	24.10	24.41	23.88	24.38
1984	NASDAQ	MKSI	Tue, Feb 20, 2007	24.11	24.43	23.84	24.21
1983	NASDAQ	MKSI	Fri, Feb 16, 2007	24.30	24.57	24.03	24.04
1982	NASDAQ	MKSI	Thu, Feb 15, 2007	24.20	25.23	23.83	24.40
1981	NASDAQ	MKSI	Wed, Feb 14, 2007	23.03	23.41	23.00	23.31
1980	NASDAQ	MKSI	Tue, Feb 13, 2007	22.76	22.89	22.57	22.88
1979	NASDAQ	MKSI	Mon, Feb 12, 2007	23.24	23.38	22.53	22.66
1978	NASDAQ	MKSI	Fri, Feb 9, 2007	23.81	23.81	22.83	23.00
1977	NASDAQ	MKSI	Thu, Feb 8, 2007	23.47	23.83	23.45	23.81
1976	NASDAQ	MKSI	Wed, Feb 7, 2007	22.53	23.41	22.50	23.40
1975	NASDAQ	MKSI	Tue, Feb 6, 2007	22.17	22.58	22.04	22.53
1974	NASDAQ	MKSI	Mon, Feb 5, 2007	22.60	22.73	22.05	22.12
1973	NASDAQ	MKSI	Fri, Feb 2, 2007	22.50	22.74	22.20	22.54
1972	NASDAQ	MKSI	Thu, Feb 1, 2007	22.02	22.26	21.77	22.08
1971	NASDAQ	MKSI	Wed, Jan 31, 2007	22.07	22.20	21.27	21.87
1970	NASDAQ	MKSI	Tue, Jan 30, 2007	21.75	22.19	21.54	22.19
1969	NASDAQ	MKSI	Mon, Jan 29, 2007	21.94	22.12	21.28	21.77
1968	NASDAQ	MKSI	Fri, Jan 26, 2007	21.73	22.22	21.11	21.98
1967	NASDAQ	MKSI	Thu, Jan 25, 2007	22.32	22.32	21.55	21.63
1966	NASDAQ	MKSI	Wed, Jan 24, 2007	21.95	22.39	21.83	22.15
1965	NASDAQ	MKSI	Tue, Jan 23, 2007	21.91	22.14	21.75	21.87
1964	NASDAQ	MKSI	Mon, Jan 22, 2007	22.32	22.44	21.74	21.90
1963	NASDAQ	MKSI	Fri, Jan 19, 2007	22.01	22.54	21.94	22.26
1962	NASDAQ	MKSI	Thu, Jan 18, 2007	23.00	23.00	21.72	22.00
1961	NASDAQ	MKSI	Wed, Jan 17, 2007	23.30	23.53	23.16	23.30
1960	NASDAQ	MKSI	Tue, Jan 16, 2007	23.60	23.84	23.25	23.35
1959	NASDAQ	MKSI	Fri, Jan 12, 2007	23.46	23.60	23.36	23.50
1958	NASDAQ	MKSI	Thu, Jan 11, 2007	23.65	23.70	23.38	23.57
1957	NASDAQ	MKSI	Wed, Jan 10, 2007	23.26	23.62	23.02	23.57
1956	NASDAQ	MKSI	Tue, Jan 9, 2007	23.13	23.36	22.78	23.30
1955	NASDAQ	MKSI	Mon, Jan 8, 2007	23.09	23.11	22.64	22.97
1954	NASDAQ	MKSI	Fri, Jan 5, 2007	23.00	23.10	22.48	22.99
1953	NASDAQ	MKSI	Thu, Jan 4, 2007	22.67	23.18	22.42	23.06
1952	NASDAQ	MKSI	Wed, Jan 3, 2007	22.45	23.05	22.21	22.60
1951	NASDAQ	MKSI	Fri, Dec 29, 2006	22.88	23.12	22.54	22.58
1950	NASDAQ	MKSI	Thu, Dec 28, 2006	22.97	23.09	22.81	22.98
1949	NASDAQ	MKSI	Wed, Dec 27, 2006	22.62	22.96	22.57	22.95
1948	NASDAQ	MKSI	Tue, Dec 26, 2006	22.13	22.74	22.01	22.64
1947	NASDAQ	MKSI	Fri, Dec 22, 2006	22.30	22.33	21.97	22.07
1946	NASDAQ	MKSI	Thu, Dec 21, 2006	22.32	22.53	22.11	22.27
1945	NASDAQ	MKSI	Wed, Dec 20, 2006	22.38	22.74	22.28	22.39
1944	NASDAQ	MKSI	Tue, Dec 19, 2006	22.60	22.60	22.14	22.55
1943	NASDAQ	MKSI	Mon, Dec 18, 2006	21.92	23.36	21.92	22.58
1942	NASDAQ	MKSI	Fri, Dec 15, 2006	21.94	22.20	21.42	21.78
1941	NASDAQ	MKSI	Thu, Dec 14, 2006	20.81	21.21	20.81	21.11
1940	NASDAQ	MKSI	Wed, Dec 13, 2006	21.24	21.33	20.77	20.85
1939	NASDAQ	MKSI	Tue, Dec 12, 2006	21.10	21.34	20.98	21.09
1938	NASDAQ	MKSI	Mon, Dec 11, 2006	21.00	21.29	20.74	21.04
1937	NASDAQ	MKSI	Fri, Dec 8, 2006	20.72	21.04	20.44	20.82
1936	NASDAQ	MKSI	Thu, Dec 7, 2006	20.61	20.93	20.47	20.66
1935	NASDAQ	MKSI	Wed, Dec 6, 2006	20.85	20.91	20.56	20.67
1934	NASDAQ	MKSI	Tue, Dec 5, 2006	21.15	21.18	20.90	20.94
1933	NASDAQ	MKSI	Mon, Dec 4, 2006	20.69	21.34	20.69	21.01
1932	NASDAQ	MKSI	Fri, Dec 1, 2006	20.74	21.09	20.34	20.75
1931	NASDAQ	MKSI	Thu, Nov 30, 2006	20.69	21.06	20.58	20.77
1930	NASDAQ	MKSI	Wed, Nov 29, 2006	20.75	20.95	20.58	20.76
1929	NASDAQ	MKSI	Tue, Nov 28, 2006	20.55	20.79	20.47	20.56
1928	NASDAQ	MKSI	Mon, Nov 27, 2006	21.02	21.02	20.59	20.60
1927	NASDAQ	MKSI	Fri, Nov 24, 2006	21.00	21.22	20.88	21.06
1926	NASDAQ	MKSI	Wed, Nov 22, 2006	21.14	21.36	21.08	21.22
1925	NASDAQ	MKSI	Tue, Nov 21, 2006	21.15	21.36	20.98	21.16
1924	NASDAQ	MKSI	Mon, Nov 20, 2006	20.99	21.13	20.84	21.05
1923	NASDAQ	MKSI	Fri, Nov 17, 2006	21.40	21.44	20.90	21.00
1922	NASDAQ	MKSI	Thu, Nov 16, 2006	21.55	21.58	21.11	21.39
1921	NASDAQ	MKSI	Wed, Nov 15, 2006	21.75	21.91	21.40	21.51
1920	NASDAQ	MKSI	Tue, Nov 14, 2006	21.59	21.80	21.35	21.76
1919	NASDAQ	MKSI	Mon, Nov 13, 2006	21.22	21.75	21.16	21.53
1918	NASDAQ	MKSI	Fri, Nov 10, 2006	20.65	21.28	20.65	21.27
1917	NASDAQ	MKSI	Thu, Nov 9, 2006	21.43	21.43	20.68	20.73
1916	NASDAQ	MKSI	Wed, Nov 8, 2006	21.40	21.50	21.05	21.30
1915	NASDAQ	MKSI	Tue, Nov 7, 2006	21.29	21.87	21.29	21.55
1914	NASDAQ	MKSI	Mon, Nov 6, 2006	20.67	21.40	20.64	21.22
1913	NASDAQ	MKSI	Fri, Nov 3, 2006	20.58	20.69	20.23	20.66
1912	NASDAQ	MKSI	Thu, Nov 2, 2006	20.55	20.64	19.99	20.50
1911	NASDAQ	MKSI	Wed, Nov 1, 2006	21.65	21.65	20.48	20.55
1910	NASDAQ	MKSI	Tue, Oct 31, 2006	21.42	21.82	21.42	21.65
1909	NASDAQ	MKSI	Mon, Oct 30, 2006	21.51	21.62	21.29	21.52
1908	NASDAQ	MKSI	Fri, Oct 27, 2006	22.26	22.26	21.53	21.63
1907	NASDAQ	MKSI	Thu, Oct 26, 2006	21.90	23.00	21.48	22.29
1906	NASDAQ	MKSI	Wed, Oct 25, 2006	21.36	21.72	20.95	21.60
1905	NASDAQ	MKSI	Tue, Oct 24, 2006	21.70	21.81	21.24	21.44
1904	NASDAQ	MKSI	Mon, Oct 23, 2006	21.58	21.90	21.35	21.80
1903	NASDAQ	MKSI	Fri, Oct 20, 2006	21.78	21.78	21.30	21.65
1902	NASDAQ	MKSI	Thu, Oct 19, 2006	21.61	21.76	21.25	21.67
1901	NASDAQ	MKSI	Wed, Oct 18, 2006	22.05	22.18	21.38	21.61
1900	NASDAQ	MKSI	Tue, Oct 17, 2006	22.02	22.06	21.47	21.95
1899	NASDAQ	MKSI	Mon, Oct 16, 2006	22.00	22.14	21.74	22.07
1898	NASDAQ	MKSI	Fri, Oct 13, 2006	21.41	22.00	21.04	21.87
1897	NASDAQ	MKSI	Thu, Oct 12, 2006	21.10	21.41	20.88	21.40
1896	NASDAQ	MKSI	Wed, Oct 11, 2006	20.54	21.33	20.35	21.04
1895	NASDAQ	MKSI	Tue, Oct 10, 2006	21.28	21.36	20.41	20.80
1894	NASDAQ	MKSI	Mon, Oct 9, 2006	20.55	21.18	20.26	21.17
1893	NASDAQ	MKSI	Fri, Oct 6, 2006	20.56	20.84	20.23	20.65
1892	NASDAQ	MKSI	Thu, Oct 5, 2006	20.32	20.75	20.14	20.71
1891	NASDAQ	MKSI	Wed, Oct 4, 2006	19.80	20.38	19.60	20.27
1890	NASDAQ	MKSI	Tue, Oct 3, 2006	20.02	20.04	19.54	19.78
1889	NASDAQ	MKSI	Mon, Oct 2, 2006	20.15	20.60	20.06	20.22
1888	NASDAQ	MKSI	Fri, Sep 29, 2006	20.62	20.63	20.22	20.31
1887	NASDAQ	MKSI	Thu, Sep 28, 2006	20.72	20.80	20.37	20.65
1886	NASDAQ	MKSI	Wed, Sep 27, 2006	20.60	20.86	20.43	20.61
1885	NASDAQ	MKSI	Tue, Sep 26, 2006	20.95	20.95	20.19	20.74
1884	NASDAQ	MKSI	Mon, Sep 25, 2006	20.42	20.95	20.14	20.90
1883	NASDAQ	MKSI	Fri, Sep 22, 2006	20.45	20.45	20.13	20.33
1882	NASDAQ	MKSI	Thu, Sep 21, 2006	20.99	21.01	20.32	20.44
1881	NASDAQ	MKSI	Wed, Sep 20, 2006	20.41	21.01	20.41	20.88
1880	NASDAQ	MKSI	Tue, Sep 19, 2006	20.73	20.73	20.07	20.41
1879	NASDAQ	MKSI	Mon, Sep 18, 2006	20.59	21.01	20.47	20.63
1878	NASDAQ	MKSI	Fri, Sep 15, 2006	20.25	20.74	20.23	20.50
1877	NASDAQ	MKSI	Thu, Sep 14, 2006	20.24	20.24	19.93	20.10
1876	NASDAQ	MKSI	Wed, Sep 13, 2006	20.34	20.53	20.10	20.36
1875	NASDAQ	MKSI	Tue, Sep 12, 2006	19.94	20.58	19.91	20.43
1874	NASDAQ	MKSI	Mon, Sep 11, 2006	20.05	20.09	19.56	19.87
1873	NASDAQ	MKSI	Fri, Sep 8, 2006	20.35	20.50	20.11	20.20
1872	NASDAQ	MKSI	Thu, Sep 7, 2006	20.12	20.57	19.81	20.34
1871	NASDAQ	MKSI	Wed, Sep 6, 2006	20.72	20.72	20.14	20.15
1870	NASDAQ	MKSI	Tue, Sep 5, 2006	21.09	21.09	20.59	20.92
1869	NASDAQ	MKSI	Fri, Sep 1, 2006	21.06	21.09	20.48	21.01
1868	NASDAQ	MKSI	Thu, Aug 31, 2006	20.76	21.06	20.66	20.89
1867	NASDAQ	MKSI	Wed, Aug 30, 2006	20.55	21.02	20.27	20.99
1866	NASDAQ	MKSI	Tue, Aug 29, 2006	20.69	20.77	20.15	20.45
1865	NASDAQ	MKSI	Mon, Aug 28, 2006	20.27	20.66	20.13	20.62
1864	NASDAQ	MKSI	Fri, Aug 25, 2006	20.20	20.53	19.85	20.20
1863	NASDAQ	MKSI	Thu, Aug 24, 2006	20.40	20.55	20.17	20.32
1862	NASDAQ	MKSI	Wed, Aug 23, 2006	20.64	20.93	20.09	20.28
1861	NASDAQ	MKSI	Tue, Aug 22, 2006	20.55	21.16	20.47	20.68
1860	NASDAQ	MKSI	Mon, Aug 21, 2006	20.56	20.75	20.38	20.62
1859	NASDAQ	MKSI	Fri, Aug 18, 2006	20.92	21.01	20.48	20.91
1858	NASDAQ	MKSI	Thu, Aug 17, 2006	20.90	21.03	20.38	20.76
1857	NASDAQ	MKSI	Wed, Aug 16, 2006	20.22	21.03	20.07	21.03
1856	NASDAQ	MKSI	Tue, Aug 15, 2006	19.12	20.26	19.12	20.18
1855	NASDAQ	MKSI	Mon, Aug 14, 2006	19.05	19.47	18.87	18.97
1854	NASDAQ	MKSI	Fri, Aug 11, 2006	19.33	19.43	18.76	18.89
1853	NASDAQ	MKSI	Thu, Aug 10, 2006	19.33	19.66	19.05	19.45
1852	NASDAQ	MKSI	Wed, Aug 9, 2006	19.60	20.05	19.33	19.45
1851	NASDAQ	MKSI	Tue, Aug 8, 2006	19.84	20.16	19.30	19.40
1850	NASDAQ	MKSI	Mon, Aug 7, 2006	20.03	20.16	19.62	19.86
1849	NASDAQ	MKSI	Fri, Aug 4, 2006	20.69	20.94	19.75	20.12
1848	NASDAQ	MKSI	Thu, Aug 3, 2006	20.03	20.63	19.98	20.52
1847	NASDAQ	MKSI	Wed, Aug 2, 2006	20.01	20.70	20.01	20.32
1846	NASDAQ	MKSI	Tue, Aug 1, 2006	20.44	20.50	19.87	20.05
1845	NASDAQ	MKSI	Mon, Jul 31, 2006	20.86	21.02	20.48	20.67
1844	NASDAQ	MKSI	Fri, Jul 28, 2006	21.12	22.44	20.84	21.01
1843	NASDAQ	MKSI	Thu, Jul 27, 2006	19.65	23.60	19.65	20.99
1842	NASDAQ	MKSI	Wed, Jul 26, 2006	18.61	18.88	18.11	18.65
1841	NASDAQ	MKSI	Tue, Jul 25, 2006	18.75	19.16	18.58	18.79
1840	NASDAQ	MKSI	Mon, Jul 24, 2006	18.24	18.75	18.13	18.72
1839	NASDAQ	MKSI	Fri, Jul 21, 2006	18.54	18.55	17.84	18.09
1838	NASDAQ	MKSI	Thu, Jul 20, 2006	19.32	19.32	18.58	18.65
1837	NASDAQ	MKSI	Wed, Jul 19, 2006	18.44	19.39	18.38	19.24
1836	NASDAQ	MKSI	Tue, Jul 18, 2006	18.66	18.89	18.00	18.40
1835	NASDAQ	MKSI	Mon, Jul 17, 2006	18.55	18.93	18.48	18.60
1834	NASDAQ	MKSI	Fri, Jul 14, 2006	18.84	18.97	18.35	18.69
1833	NASDAQ	MKSI	Thu, Jul 13, 2006	19.21	19.46	18.76	18.87
1832	NASDAQ	MKSI	Wed, Jul 12, 2006	19.30	19.65	19.13	19.29
1831	NASDAQ	MKSI	Tue, Jul 11, 2006	18.76	19.32	18.50	19.26
1830	NASDAQ	MKSI	Mon, Jul 10, 2006	19.37	19.63	18.76	18.84
1829	NASDAQ	MKSI	Fri, Jul 7, 2006	19.70	19.91	19.20	19.29
1828	NASDAQ	MKSI	Thu, Jul 6, 2006	19.84	20.10	19.55	19.77
1827	NASDAQ	MKSI	Wed, Jul 5, 2006	20.19	20.31	19.44	19.76
1826	NASDAQ	MKSI	Mon, Jul 3, 2006	20.09	20.50	19.88	20.47
1825	NASDAQ	MKSI	Fri, Jun 30, 2006	20.59	20.59	19.97	20.12
1824	NASDAQ	MKSI	Thu, Jun 29, 2006	19.70	20.53	19.53	20.52
1823	NASDAQ	MKSI	Wed, Jun 28, 2006	19.70	19.70	19.14	19.53
1822	NASDAQ	MKSI	Tue, Jun 27, 2006	19.72	20.09	19.47	19.58
1821	NASDAQ	MKSI	Mon, Jun 26, 2006	19.45	19.88	19.34	19.75
1820	NASDAQ	MKSI	Fri, Jun 23, 2006	19.32	19.56	18.93	19.34
1819	NASDAQ	MKSI	Thu, Jun 22, 2006	18.92	19.40	18.66	19.39
1818	NASDAQ	MKSI	Wed, Jun 21, 2006	19.01	19.19	18.77	18.92
1817	NASDAQ	MKSI	Tue, Jun 20, 2006	19.15	19.38	18.86	18.91
1816	NASDAQ	MKSI	Mon, Jun 19, 2006	19.29	19.49	18.95	19.13
1815	NASDAQ	MKSI	Fri, Jun 16, 2006	19.85	19.86	18.93	19.28
1814	NASDAQ	MKSI	Thu, Jun 15, 2006	19.60	19.92	19.49	19.85
1813	NASDAQ	MKSI	Wed, Jun 14, 2006	19.20	19.61	19.03	19.36
1812	NASDAQ	MKSI	Tue, Jun 13, 2006	19.64	19.98	19.22	19.25
1811	NASDAQ	MKSI	Mon, Jun 12, 2006	20.24	20.30	19.48	19.50
1810	NASDAQ	MKSI	Fri, Jun 9, 2006	20.38	20.87	20.11	20.25
1809	NASDAQ	MKSI	Thu, Jun 8, 2006	20.38	20.62	19.84	20.60
1808	NASDAQ	MKSI	Wed, Jun 7, 2006	21.09	21.48	20.33	20.45
1807	NASDAQ	MKSI	Tue, Jun 6, 2006	20.93	21.30	20.71	21.11
1806	NASDAQ	MKSI	Mon, Jun 5, 2006	21.45	21.67	20.88	20.96
1805	NASDAQ	MKSI	Fri, Jun 2, 2006	22.10	22.36	21.10	21.57
1804	NASDAQ	MKSI	Thu, Jun 1, 2006	21.80	22.29	21.62	22.23
1803	NASDAQ	MKSI	Wed, May 31, 2006	20.99	21.83	20.92	21.83
1802	NASDAQ	MKSI	Tue, May 30, 2006	20.57	21.10	20.57	20.85
1801	NASDAQ	MKSI	Fri, May 26, 2006	20.44	20.94	20.00	20.58
1800	NASDAQ	MKSI	Thu, May 25, 2006	20.56	20.61	19.91	20.35
1799	NASDAQ	MKSI	Wed, May 24, 2006	20.70	20.86	19.77	20.31
1798	NASDAQ	MKSI	Tue, May 23, 2006	20.87	21.74	20.77	20.80
1797	NASDAQ	MKSI	Mon, May 22, 2006	21.17	21.25	20.20	20.73
1796	NASDAQ	MKSI	Fri, May 19, 2006	20.89	21.62	20.81	21.38
1795	NASDAQ	MKSI	Thu, May 18, 2006	21.59	21.69	20.82	20.89
1794	NASDAQ	MKSI	Wed, May 17, 2006	21.82	22.02	21.38	21.53
1793	NASDAQ	MKSI	Tue, May 16, 2006	21.96	22.36	21.83	21.97
1792	NASDAQ	MKSI	Mon, May 15, 2006	22.60	22.73	21.40	21.98
1791	NASDAQ	MKSI	Fri, May 12, 2006	22.70	23.24	22.66	22.80
1790	NASDAQ	MKSI	Thu, May 11, 2006	23.84	24.11	22.74	22.87
1789	NASDAQ	MKSI	Wed, May 10, 2006	24.44	24.50	23.76	24.00
1788	NASDAQ	MKSI	Tue, May 9, 2006	24.18	24.90	23.93	24.60
1787	NASDAQ	MKSI	Mon, May 8, 2006	24.46	24.72	24.15	24.35
1786	NASDAQ	MKSI	Fri, May 5, 2006	24.48	24.75	24.14	24.49
1785	NASDAQ	MKSI	Thu, May 4, 2006	23.97	24.75	23.77	24.52
1784	NASDAQ	MKSI	Wed, May 3, 2006	23.50	24.17	23.48	24.13
1783	NASDAQ	MKSI	Tue, May 2, 2006	22.92	23.74	22.88	23.62
1782	NASDAQ	MKSI	Mon, May 1, 2006	23.67	24.04	22.95	22.97
1781	NASDAQ	MKSI	Fri, Apr 28, 2006	22.94	23.95	22.35	23.79
1780	NASDAQ	MKSI	Thu, Apr 27, 2006	24.54	24.97	23.93	23.97
1779	NASDAQ	MKSI	Wed, Apr 26, 2006	24.04	24.22	23.50	24.09
1778	NASDAQ	MKSI	Tue, Apr 25, 2006	24.05	24.42	23.87	24.40
1777	NASDAQ	MKSI	Mon, Apr 24, 2006	23.98	24.33	23.85	24.19
1776	NASDAQ	MKSI	Fri, Apr 21, 2006	24.63	24.65	23.99	24.13
1775	NASDAQ	MKSI	Thu, Apr 20, 2006	24.31	24.58	23.86	24.56
1774	NASDAQ	MKSI	Wed, Apr 19, 2006	23.43	24.63	23.39	24.49
1773	NASDAQ	MKSI	Tue, Apr 18, 2006	22.68	23.56	22.62	23.54
1772	NASDAQ	MKSI	Mon, Apr 17, 2006	23.01	23.34	22.55	22.76
1771	NASDAQ	MKSI	Thu, Apr 13, 2006	22.76	23.56	22.76	23.21
1770	NASDAQ	MKSI	Wed, Apr 12, 2006	22.72	23.12	22.72	22.94
1769	NASDAQ	MKSI	Tue, Apr 11, 2006	22.94	23.05	22.22	22.88
1768	NASDAQ	MKSI	Mon, Apr 10, 2006	23.00	23.04	22.10	22.38
1767	NASDAQ	MKSI	Fri, Apr 7, 2006	23.52	23.72	22.95	23.21
1766	NASDAQ	MKSI	Thu, Apr 6, 2006	23.24	23.72	23.17	23.61
1765	NASDAQ	MKSI	Wed, Apr 5, 2006	23.00	23.53	23.00	23.42
1764	NASDAQ	MKSI	Tue, Apr 4, 2006	23.47	23.70	23.00	23.12
1763	NASDAQ	MKSI	Mon, Apr 3, 2006	23.37	23.77	23.27	23.63
1762	NASDAQ	MKSI	Fri, Mar 31, 2006	23.16	23.63	23.16	23.43
1761	NASDAQ	MKSI	Thu, Mar 30, 2006	23.40	23.40	23.04	23.16
1760	NASDAQ	MKSI	Wed, Mar 29, 2006	23.15	23.43	22.97	23.34
1759	NASDAQ	MKSI	Tue, Mar 28, 2006	23.30	23.61	23.15	23.25
1758	NASDAQ	MKSI	Mon, Mar 27, 2006	23.29	23.72	23.21	23.41
1757	NASDAQ	MKSI	Fri, Mar 24, 2006	23.04	23.47	22.96	23.38
1756	NASDAQ	MKSI	Thu, Mar 23, 2006	22.46	23.17	22.36	23.11
1755	NASDAQ	MKSI	Wed, Mar 22, 2006	22.36	23.07	22.30	22.61
1754	NASDAQ	MKSI	Tue, Mar 21, 2006	22.55	23.08	22.31	22.49
1753	NASDAQ	MKSI	Mon, Mar 20, 2006	22.51	22.83	22.41	22.57
1752	NASDAQ	MKSI	Fri, Mar 17, 2006	22.65	22.85	22.45	22.66
1751	NASDAQ	MKSI	Thu, Mar 16, 2006	23.30	23.49	22.55	22.62
1750	NASDAQ	MKSI	Wed, Mar 15, 2006	23.00	23.30	22.86	23.25
1749	NASDAQ	MKSI	Tue, Mar 14, 2006	22.10	23.25	21.92	22.97
1748	NASDAQ	MKSI	Mon, Mar 13, 2006	21.87	22.25	21.87	22.03
1747	NASDAQ	MKSI	Fri, Mar 10, 2006	21.65	22.25	21.54	21.95
1746	NASDAQ	MKSI	Thu, Mar 9, 2006	21.93	22.27	21.68	21.72
1745	NASDAQ	MKSI	Wed, Mar 8, 2006	21.79	22.43	21.78	22.06
1744	NASDAQ	MKSI	Tue, Mar 7, 2006	22.02	22.37	21.90	21.97
1743	NASDAQ	MKSI	Mon, Mar 6, 2006	22.16	22.50	22.00	22.20
1742	NASDAQ	MKSI	Fri, Mar 3, 2006	22.30	22.76	22.29	22.30
1741	NASDAQ	MKSI	Thu, Mar 2, 2006	22.67	22.90	22.40	22.51
1740	NASDAQ	MKSI	Wed, Mar 1, 2006	22.30	23.05	22.27	22.89
1739	NASDAQ	MKSI	Tue, Feb 28, 2006	22.41	22.95	22.08	22.36
1738	NASDAQ	MKSI	Mon, Feb 27, 2006	22.37	22.84	22.26	22.57
1737	NASDAQ	MKSI	Fri, Feb 24, 2006	22.36	22.59	22.30	22.55
1736	NASDAQ	MKSI	Thu, Feb 23, 2006	22.62	22.93	22.39	22.43
1735	NASDAQ	MKSI	Wed, Feb 22, 2006	22.86	23.00	22.05	22.79
1734	NASDAQ	MKSI	Tue, Feb 21, 2006	22.96	23.31	22.75	22.98
1733	NASDAQ	MKSI	Fri, Feb 17, 2006	23.19	23.75	22.61	23.20
1732	NASDAQ	MKSI	Thu, Feb 16, 2006	23.73	23.73	22.17	22.42
1731	NASDAQ	MKSI	Wed, Feb 15, 2006	21.76	22.40	21.65	22.40
1730	NASDAQ	MKSI	Tue, Feb 14, 2006	21.91	22.40	21.57	22.26
1729	NASDAQ	MKSI	Mon, Feb 13, 2006	21.87	22.21	21.84	21.96
1728	NASDAQ	MKSI	Fri, Feb 10, 2006	21.91	22.22	21.50	22.08
1727	NASDAQ	MKSI	Thu, Feb 9, 2006	21.76	22.07	21.59	22.00
1726	NASDAQ	MKSI	Wed, Feb 8, 2006	21.73	22.00	21.44	21.87
1725	NASDAQ	MKSI	Tue, Feb 7, 2006	21.50	22.06	21.26	21.50
1724	NASDAQ	MKSI	Mon, Feb 6, 2006	21.13	21.71	21.08	21.64
1723	NASDAQ	MKSI	Fri, Feb 3, 2006	21.20	21.47	20.94	21.24
1722	NASDAQ	MKSI	Thu, Feb 2, 2006	21.65	22.50	21.24	21.47
1721	NASDAQ	MKSI	Wed, Feb 1, 2006	21.52	22.05	21.30	21.97
1720	NASDAQ	MKSI	Tue, Jan 31, 2006	21.64	21.89	21.53	21.75
1719	NASDAQ	MKSI	Mon, Jan 30, 2006	21.64	21.92	21.55	21.81
1718	NASDAQ	MKSI	Fri, Jan 27, 2006	21.67	22.05	21.56	21.78
1717	NASDAQ	MKSI	Thu, Jan 26, 2006	21.10	21.86	21.10	21.85
1716	NASDAQ	MKSI	Wed, Jan 25, 2006	20.87	21.31	20.51	21.17
1715	NASDAQ	MKSI	Tue, Jan 24, 2006	19.55	20.87	19.51	20.70
1714	NASDAQ	MKSI	Mon, Jan 23, 2006	20.30	21.13	20.13	20.79
1713	NASDAQ	MKSI	Fri, Jan 20, 2006	20.97	21.00	20.32	20.39
1712	NASDAQ	MKSI	Thu, Jan 19, 2006	20.38	21.31	20.17	21.08
1711	NASDAQ	MKSI	Wed, Jan 18, 2006	19.69	20.32	19.40	20.17
1710	NASDAQ	MKSI	Tue, Jan 17, 2006	19.08	19.30	18.83	19.21
1709	NASDAQ	MKSI	Fri, Jan 13, 2006	19.26	19.51	18.89	19.33
1708	NASDAQ	MKSI	Thu, Jan 12, 2006	19.39	19.68	19.39	19.53
1707	NASDAQ	MKSI	Wed, Jan 11, 2006	19.36	19.68	19.09	19.61
1706	NASDAQ	MKSI	Tue, Jan 10, 2006	19.45	19.69	19.18	19.51
1705	NASDAQ	MKSI	Mon, Jan 9, 2006	19.33	19.81	19.10	19.61
1704	NASDAQ	MKSI	Fri, Jan 6, 2006	18.88	19.53	18.63	19.33
1703	NASDAQ	MKSI	Thu, Jan 5, 2006	18.78	19.03	18.61	18.88
1702	NASDAQ	MKSI	Wed, Jan 4, 2006	18.55	19.00	18.37	18.85
1701	NASDAQ	MKSI	Tue, Jan 3, 2006	17.85	18.65	17.05	18.55
1700	NASDAQ	MKSI	Fri, Dec 30, 2005	18.30	18.30	17.80	17.89
1699	NASDAQ	MKSI	Thu, Dec 29, 2005	18.20	18.46	17.96	18.27
1698	NASDAQ	MKSI	Wed, Dec 28, 2005	18.25	18.39	18.07	18.28
1697	NASDAQ	MKSI	Tue, Dec 27, 2005	18.33	18.63	18.17	18.28
1696	NASDAQ	MKSI	Fri, Dec 23, 2005	18.22	18.39	18.11	18.35
1695	NASDAQ	MKSI	Thu, Dec 22, 2005	17.87	18.34	17.87	18.32
1694	NASDAQ	MKSI	Wed, Dec 21, 2005	17.73	18.06	17.65	17.96
1693	NASDAQ	MKSI	Tue, Dec 20, 2005	17.49	18.00	17.44	17.67
1692	NASDAQ	MKSI	Mon, Dec 19, 2005	18.07	18.11	17.49	17.49
1691	NASDAQ	MKSI	Fri, Dec 16, 2005	18.31	18.37	17.76	18.17
1690	NASDAQ	MKSI	Thu, Dec 15, 2005	18.90	18.99	18.17	18.30
1689	NASDAQ	MKSI	Wed, Dec 14, 2005	19.20	19.44	18.81	18.99
1688	NASDAQ	MKSI	Tue, Dec 13, 2005	19.28	19.50	19.07	19.33
1687	NASDAQ	MKSI	Mon, Dec 12, 2005	19.00	19.54	19.00	19.40
1686	NASDAQ	MKSI	Fri, Dec 9, 2005	19.10	19.26	18.67	19.22
1685	NASDAQ	MKSI	Thu, Dec 8, 2005	19.29	19.56	18.91	19.22
1684	NASDAQ	MKSI	Wed, Dec 7, 2005	19.19	19.53	19.10	19.39
1683	NASDAQ	MKSI	Tue, Dec 6, 2005	19.05	19.60	19.05	19.33
1682	NASDAQ	MKSI	Mon, Dec 5, 2005	19.50	19.50	18.77	19.11
1681	NASDAQ	MKSI	Fri, Dec 2, 2005	19.36	19.72	19.11	19.69
1680	NASDAQ	MKSI	Thu, Dec 1, 2005	18.78	19.67	18.76	19.52
1679	NASDAQ	MKSI	Wed, Nov 30, 2005	18.50	19.00	18.50	18.87
1678	NASDAQ	MKSI	Tue, Nov 29, 2005	18.70	18.88	18.51	18.61
1677	NASDAQ	MKSI	Mon, Nov 28, 2005	18.81	19.04	18.68	18.73
1676	NASDAQ	MKSI	Fri, Nov 25, 2005	18.87	19.05	18.79	18.95
1675	NASDAQ	MKSI	Wed, Nov 23, 2005	19.09	19.31	18.90	19.00
1674	NASDAQ	MKSI	Tue, Nov 22, 2005	19.09	19.37	18.79	19.22
1673	NASDAQ	MKSI	Mon, Nov 21, 2005	19.06	19.37	18.82	19.26
1672	NASDAQ	MKSI	Fri, Nov 18, 2005	18.98	19.22	18.70	19.16
1671	NASDAQ	MKSI	Thu, Nov 17, 2005	18.58	18.85	18.18	18.83
1670	NASDAQ	MKSI	Wed, Nov 16, 2005	18.70	18.75	18.41	18.69
1669	NASDAQ	MKSI	Tue, Nov 15, 2005	18.99	19.08	18.59	18.81
1668	NASDAQ	MKSI	Mon, Nov 14, 2005	19.14	19.33	18.89	19.07
1667	NASDAQ	MKSI	Fri, Nov 11, 2005	18.95	19.35	18.92	19.21
1666	NASDAQ	MKSI	Thu, Nov 10, 2005	18.70	19.05	18.41	19.00
1665	NASDAQ	MKSI	Wed, Nov 9, 2005	18.75	18.96	18.55	18.84
1664	NASDAQ	MKSI	Tue, Nov 8, 2005	18.50	18.97	18.42	18.84
1663	NASDAQ	MKSI	Mon, Nov 7, 2005	18.57	18.82	18.43	18.71
1662	NASDAQ	MKSI	Fri, Nov 4, 2005	19.00	19.10	18.51	18.71
1661	NASDAQ	MKSI	Thu, Nov 3, 2005	19.00	19.28	18.81	19.14
1660	NASDAQ	MKSI	Wed, Nov 2, 2005	18.60	19.10	18.17	18.98
1659	NASDAQ	MKSI	Tue, Nov 1, 2005	18.85	18.85	18.29	18.56
1658	NASDAQ	MKSI	Mon, Oct 31, 2005	18.00	18.96	17.91	18.87
1657	NASDAQ	MKSI	Fri, Oct 28, 2005	17.56	17.87	17.02	17.76
1656	NASDAQ	MKSI	Thu, Oct 27, 2005	17.70	17.75	17.36	17.43
1655	NASDAQ	MKSI	Wed, Oct 26, 2005	18.18	18.50	17.90	17.98
1654	NASDAQ	MKSI	Tue, Oct 25, 2005	18.28	18.57	18.18	18.36
1653	NASDAQ	MKSI	Mon, Oct 24, 2005	18.26	18.57	18.20	18.45
1652	NASDAQ	MKSI	Fri, Oct 21, 2005	18.25	18.57	18.20	18.36
1651	NASDAQ	MKSI	Thu, Oct 20, 2005	18.08	18.61	17.76	18.34
1650	NASDAQ	MKSI	Wed, Oct 19, 2005	17.57	18.22	17.33	18.22
1649	NASDAQ	MKSI	Tue, Oct 18, 2005	17.73	17.77	17.50	17.60
1648	NASDAQ	MKSI	Mon, Oct 17, 2005	17.66	17.75	17.32	17.71
1647	NASDAQ	MKSI	Fri, Oct 14, 2005	17.75	17.76	17.28	17.59
1646	NASDAQ	MKSI	Thu, Oct 13, 2005	17.28	17.85	17.19	17.64
1645	NASDAQ	MKSI	Wed, Oct 12, 2005	17.20	17.49	17.14	17.32
1644	NASDAQ	MKSI	Tue, Oct 11, 2005	17.55	17.71	17.10	17.21
1643	NASDAQ	MKSI	Mon, Oct 10, 2005	17.86	17.86	17.42	17.48
1642	NASDAQ	MKSI	Fri, Oct 7, 2005	17.45	17.89	17.45	17.82
1641	NASDAQ	MKSI	Thu, Oct 6, 2005	17.46	17.96	17.33	17.49
1640	NASDAQ	MKSI	Wed, Oct 5, 2005	17.89	18.05	17.58	17.59
1639	NASDAQ	MKSI	Tue, Oct 4, 2005	17.63	18.36	17.63	17.97
1638	NASDAQ	MKSI	Mon, Oct 3, 2005	17.17	17.89	17.17	17.64
1637	NASDAQ	MKSI	Fri, Sep 30, 2005	16.90	17.38	16.90	17.23
1636	NASDAQ	MKSI	Thu, Sep 29, 2005	16.50	17.01	16.50	16.97
1635	NASDAQ	MKSI	Wed, Sep 28, 2005	16.54	16.64	16.27	16.61
1634	NASDAQ	MKSI	Tue, Sep 27, 2005	16.53	16.70	16.40	16.42
1633	NASDAQ	MKSI	Mon, Sep 26, 2005	16.72	16.86	16.40	16.53
1632	NASDAQ	MKSI	Fri, Sep 23, 2005	16.01	16.65	15.93	16.60
1631	NASDAQ	MKSI	Thu, Sep 22, 2005	15.49	16.05	15.29	15.96
1630	NASDAQ	MKSI	Wed, Sep 21, 2005	16.19	16.20	15.51	15.56
1629	NASDAQ	MKSI	Tue, Sep 20, 2005	16.54	16.60	16.22	16.24
1628	NASDAQ	MKSI	Mon, Sep 19, 2005	16.50	16.60	16.39	16.44
1627	NASDAQ	MKSI	Fri, Sep 16, 2005	17.06	17.06	16.31	16.49
1626	NASDAQ	MKSI	Thu, Sep 15, 2005	17.34	17.45	16.92	16.98
1625	NASDAQ	MKSI	Wed, Sep 14, 2005	17.65	17.69	17.30	17.34
1624	NASDAQ	MKSI	Tue, Sep 13, 2005	17.75	17.83	17.51	17.61
1623	NASDAQ	MKSI	Mon, Sep 12, 2005	18.06	18.06	17.71	17.87
1622	NASDAQ	MKSI	Fri, Sep 9, 2005	17.57	18.02	17.41	17.99
1621	NASDAQ	MKSI	Thu, Sep 8, 2005	17.57	17.75	17.46	17.51
1620	NASDAQ	MKSI	Wed, Sep 7, 2005	17.33	17.68	17.24	17.66
1619	NASDAQ	MKSI	Tue, Sep 6, 2005	17.17	17.49	17.17	17.43
1618	NASDAQ	MKSI	Fri, Sep 2, 2005	17.39	17.50	17.21	17.22
1617	NASDAQ	MKSI	Thu, Sep 1, 2005	17.76	17.85	17.16	17.43
1616	NASDAQ	MKSI	Wed, Aug 31, 2005	17.75	17.80	17.59	17.76
1615	NASDAQ	MKSI	Tue, Aug 30, 2005	17.80	17.90	17.53	17.72
1614	NASDAQ	MKSI	Mon, Aug 29, 2005	17.45	17.96	17.36	17.89
1613	NASDAQ	MKSI	Fri, Aug 26, 2005	17.79	17.93	17.25	17.49
1612	NASDAQ	MKSI	Thu, Aug 25, 2005	17.88	18.11	17.85	17.89
1611	NASDAQ	MKSI	Wed, Aug 24, 2005	18.13	18.29	17.72	17.98
1610	NASDAQ	MKSI	Tue, Aug 23, 2005	18.53	18.67	18.25	18.27
1609	NASDAQ	MKSI	Mon, Aug 22, 2005	18.38	18.72	18.37	18.62
1608	NASDAQ	MKSI	Fri, Aug 19, 2005	18.34	18.55	18.34	18.49
1607	NASDAQ	MKSI	Thu, Aug 18, 2005	18.05	18.55	18.05	18.37
1606	NASDAQ	MKSI	Wed, Aug 17, 2005	17.31	18.25	17.26	18.12
1605	NASDAQ	MKSI	Tue, Aug 16, 2005	17.75	17.75	17.17	17.24
1604	NASDAQ	MKSI	Mon, Aug 15, 2005	17.75	17.90	17.67	17.80
1603	NASDAQ	MKSI	Fri, Aug 12, 2005	18.04	18.05	17.63	17.83
1602	NASDAQ	MKSI	Thu, Aug 11, 2005	17.75	18.28	17.67	18.21
1601	NASDAQ	MKSI	Wed, Aug 10, 2005	17.49	17.99	17.37	17.81
1600	NASDAQ	MKSI	Tue, Aug 9, 2005	17.21	17.49	17.21	17.46
1599	NASDAQ	MKSI	Mon, Aug 8, 2005	17.53	17.53	17.14	17.22
1598	NASDAQ	MKSI	Fri, Aug 5, 2005	17.75	17.82	17.44	17.56
1597	NASDAQ	MKSI	Thu, Aug 4, 2005	18.29	18.35	17.69	17.83
1596	NASDAQ	MKSI	Wed, Aug 3, 2005	18.89	18.89	18.39	18.42
1595	NASDAQ	MKSI	Tue, Aug 2, 2005	18.66	19.00	18.66	18.94
1594	NASDAQ	MKSI	Mon, Aug 1, 2005	19.07	19.33	18.59	18.76
1593	NASDAQ	MKSI	Fri, Jul 29, 2005	19.04	19.21	18.84	19.11
1592	NASDAQ	MKSI	Thu, Jul 28, 2005	18.75	19.00	18.68	18.98
1591	NASDAQ	MKSI	Wed, Jul 27, 2005	18.56	18.97	18.50	18.83
1590	NASDAQ	MKSI	Tue, Jul 26, 2005	19.19	19.36	18.79	19.05
1589	NASDAQ	MKSI	Mon, Jul 25, 2005	19.20	19.54	18.92	19.11
1588	NASDAQ	MKSI	Fri, Jul 22, 2005	19.50	19.60	19.05	19.48
1587	NASDAQ	MKSI	Thu, Jul 21, 2005	20.51	20.68	19.50	19.51
1586	NASDAQ	MKSI	Wed, Jul 20, 2005	18.56	20.69	18.49	20.62
1585	NASDAQ	MKSI	Tue, Jul 19, 2005	18.35	19.07	18.35	18.99
1584	NASDAQ	MKSI	Mon, Jul 18, 2005	18.91	19.00	18.21	18.39
1583	NASDAQ	MKSI	Fri, Jul 15, 2005	18.70	19.15	18.70	19.05
1582	NASDAQ	MKSI	Thu, Jul 14, 2005	18.35	18.92	18.34	18.81
1581	NASDAQ	MKSI	Wed, Jul 13, 2005	18.30	18.47	17.84	18.30
1580	NASDAQ	MKSI	Tue, Jul 12, 2005	18.00	18.73	17.87	18.55
1579	NASDAQ	MKSI	Mon, Jul 11, 2005	17.65	18.23	17.60	18.21
1578	NASDAQ	MKSI	Fri, Jul 8, 2005	16.91	17.75	16.87	17.71
1577	NASDAQ	MKSI	Thu, Jul 7, 2005	16.80	16.91	16.61	16.91
1576	NASDAQ	MKSI	Wed, Jul 6, 2005	16.81	17.03	16.75	16.85
1575	NASDAQ	MKSI	Tue, Jul 5, 2005	17.03	17.25	16.75	16.91
1574	NASDAQ	MKSI	Fri, Jul 1, 2005	17.00	17.31	16.85	17.08
1573	NASDAQ	MKSI	Thu, Jun 30, 2005	17.30	17.33	16.86	16.89
1572	NASDAQ	MKSI	Wed, Jun 29, 2005	17.29	17.40	17.05	17.21
1571	NASDAQ	MKSI	Tue, Jun 28, 2005	16.99	17.29	16.88	17.23
1570	NASDAQ	MKSI	Mon, Jun 27, 2005	17.15	17.15	16.82	16.95
1569	NASDAQ	MKSI	Fri, Jun 24, 2005	17.52	17.68	17.16	17.25
1568	NASDAQ	MKSI	Thu, Jun 23, 2005	17.45	18.10	17.34	17.50
1567	NASDAQ	MKSI	Wed, Jun 22, 2005	17.35	17.62	17.31	17.52
1566	NASDAQ	MKSI	Tue, Jun 21, 2005	17.39	17.46	17.12	17.39
1565	NASDAQ	MKSI	Mon, Jun 20, 2005	17.49	17.49	17.23	17.27
1564	NASDAQ	MKSI	Fri, Jun 17, 2005	17.74	17.74	17.40	17.54
1563	NASDAQ	MKSI	Thu, Jun 16, 2005	17.54	17.75	17.43	17.67
1562	NASDAQ	MKSI	Wed, Jun 15, 2005	17.57	17.72	17.13	17.64
1561	NASDAQ	MKSI	Tue, Jun 14, 2005	17.47	17.75	17.47	17.67
1560	NASDAQ	MKSI	Mon, Jun 13, 2005	17.60	17.76	17.38	17.57
1559	NASDAQ	MKSI	Fri, Jun 10, 2005	17.80	17.80	17.37	17.59
1558	NASDAQ	MKSI	Thu, Jun 9, 2005	17.09	17.87	17.09	17.87
1557	NASDAQ	MKSI	Wed, Jun 8, 2005	16.85	17.30	16.85	17.22
1556	NASDAQ	MKSI	Tue, Jun 7, 2005	17.03	17.30	16.89	16.93
1555	NASDAQ	MKSI	Mon, Jun 6, 2005	17.05	17.09	16.77	16.93
1554	NASDAQ	MKSI	Fri, Jun 3, 2005	17.36	17.36	16.88	17.15
1553	NASDAQ	MKSI	Thu, Jun 2, 2005	16.68	17.38	16.68	17.22
1552	NASDAQ	MKSI	Wed, Jun 1, 2005	16.62	16.91	16.45	16.79
1551	NASDAQ	MKSI	Tue, May 31, 2005	16.68	16.83	16.64	16.69
1550	NASDAQ	MKSI	Fri, May 27, 2005	16.80	16.80	16.50	16.68
1549	NASDAQ	MKSI	Thu, May 26, 2005	16.42	16.80	16.42	16.80
1548	NASDAQ	MKSI	Wed, May 25, 2005	16.63	16.64	16.29	16.40
1547	NASDAQ	MKSI	Tue, May 24, 2005	16.50	16.81	16.39	16.74
1546	NASDAQ	MKSI	Mon, May 23, 2005	16.40	16.70	16.40	16.55
1545	NASDAQ	MKSI	Fri, May 20, 2005	16.53	16.53	16.11	16.40
1544	NASDAQ	MKSI	Thu, May 19, 2005	16.47	16.68	16.33	16.46
1543	NASDAQ	MKSI	Wed, May 18, 2005	16.53	16.81	16.16	16.57
1542	NASDAQ	MKSI	Tue, May 17, 2005	16.22	16.46	16.05	16.41
1541	NASDAQ	MKSI	Mon, May 16, 2005	16.08	16.38	15.93	16.38
1540	NASDAQ	MKSI	Fri, May 13, 2005	15.30	16.13	15.30	16.02
1539	NASDAQ	MKSI	Thu, May 12, 2005	15.51	15.75	15.28	15.35
1538	NASDAQ	MKSI	Wed, May 11, 2005	15.37	15.66	15.07	15.58
1537	NASDAQ	MKSI	Tue, May 10, 2005	15.61	15.61	15.30	15.45
1536	NASDAQ	MKSI	Mon, May 9, 2005	15.76	15.97	15.52	15.84
1535	NASDAQ	MKSI	Fri, May 6, 2005	15.74	15.81	15.42	15.72
1534	NASDAQ	MKSI	Thu, May 5, 2005	15.21	15.75	15.21	15.58
1533	NASDAQ	MKSI	Wed, May 4, 2005	15.10	15.55	15.08	15.49
1532	NASDAQ	MKSI	Tue, May 3, 2005	15.15	15.44	14.98	15.14
1531	NASDAQ	MKSI	Mon, May 2, 2005	14.73	15.29	14.52	15.19
1530	NASDAQ	MKSI	Fri, Apr 29, 2005	14.89	14.99	13.96	14.80
1529	NASDAQ	MKSI	Thu, Apr 28, 2005	14.67	15.50	14.67	14.84
1528	NASDAQ	MKSI	Wed, Apr 27, 2005	14.97	15.21	14.48	14.83
1527	NASDAQ	MKSI	Tue, Apr 26, 2005	15.06	15.37	14.87	14.93
1526	NASDAQ	MKSI	Mon, Apr 25, 2005	15.33	15.61	15.08	15.18
1525	NASDAQ	MKSI	Fri, Apr 22, 2005	15.60	15.60	14.99	15.18
1524	NASDAQ	MKSI	Thu, Apr 21, 2005	15.46	15.89	15.35	15.65
1523	NASDAQ	MKSI	Wed, Apr 20, 2005	15.35	15.81	15.06	15.35
1522	NASDAQ	MKSI	Tue, Apr 19, 2005	14.52	15.54	14.52	15.32
1521	NASDAQ	MKSI	Mon, Apr 18, 2005	14.40	15.06	14.40	14.52
1520	NASDAQ	MKSI	Fri, Apr 15, 2005	14.98	14.98	14.22	14.43
1519	NASDAQ	MKSI	Thu, Apr 14, 2005	15.03	15.16	14.87	14.88
1518	NASDAQ	MKSI	Wed, Apr 13, 2005	15.72	15.72	14.92	15.05
1517	NASDAQ	MKSI	Tue, Apr 12, 2005	15.80	15.90	15.35	15.70
1516	NASDAQ	MKSI	Mon, Apr 11, 2005	16.08	16.26	15.80	15.88
1515	NASDAQ	MKSI	Fri, Apr 8, 2005	16.14	16.48	16.05	16.19
1514	NASDAQ	MKSI	Thu, Apr 7, 2005	15.87	16.20	15.67	16.18
1513	NASDAQ	MKSI	Wed, Apr 6, 2005	16.12	16.17	15.73	15.76
1512	NASDAQ	MKSI	Tue, Apr 5, 2005	15.58	16.21	15.58	15.98
1511	NASDAQ	MKSI	Mon, Apr 4, 2005	15.53	15.72	15.41	15.71
1510	NASDAQ	MKSI	Fri, Apr 1, 2005	16.10	16.14	15.53	15.71
1509	NASDAQ	MKSI	Thu, Mar 31, 2005	15.61	16.00	15.60	15.88
1508	NASDAQ	MKSI	Wed, Mar 30, 2005	15.15	15.70	15.02	15.69
1507	NASDAQ	MKSI	Tue, Mar 29, 2005	15.70	15.73	15.05	15.06
1506	NASDAQ	MKSI	Mon, Mar 28, 2005	15.51	15.76	15.49	15.54
1505	NASDAQ	MKSI	Thu, Mar 24, 2005	15.80	15.82	15.54	15.56
1504	NASDAQ	MKSI	Wed, Mar 23, 2005	15.59	15.81	15.38	15.65
1503	NASDAQ	MKSI	Tue, Mar 22, 2005	15.82	16.01	15.45	15.52
1502	NASDAQ	MKSI	Mon, Mar 21, 2005	15.83	16.03	15.65	15.89
1501	NASDAQ	MKSI	Fri, Mar 18, 2005	16.45	16.45	15.77	15.85
1500	NASDAQ	MKSI	Thu, Mar 17, 2005	16.10	16.43	15.95	16.33
1499	NASDAQ	MKSI	Wed, Mar 16, 2005	16.00	16.15	15.78	16.04
1498	NASDAQ	MKSI	Tue, Mar 15, 2005	16.69	16.85	15.88	15.89
1497	NASDAQ	MKSI	Mon, Mar 14, 2005	16.50	16.74	16.33	16.62
1496	NASDAQ	MKSI	Fri, Mar 11, 2005	16.65	16.85	16.27	16.46
1495	NASDAQ	MKSI	Thu, Mar 10, 2005	16.96	17.06	16.21	16.66
1494	NASDAQ	MKSI	Wed, Mar 9, 2005	17.51	17.73	16.98	17.02
1493	NASDAQ	MKSI	Tue, Mar 8, 2005	17.78	17.97	17.53	17.56
1492	NASDAQ	MKSI	Mon, Mar 7, 2005	17.75	18.17	17.72	17.95
1491	NASDAQ	MKSI	Fri, Mar 4, 2005	17.97	18.23	17.78	17.79
1490	NASDAQ	MKSI	Thu, Mar 3, 2005	18.09	18.26	17.68	17.95
1489	NASDAQ	MKSI	Wed, Mar 2, 2005	18.55	18.80	18.12	18.17
1488	NASDAQ	MKSI	Tue, Mar 1, 2005	18.41	18.86	18.34	18.80
1487	NASDAQ	MKSI	Mon, Feb 28, 2005	18.59	19.00	18.21	18.49
1486	NASDAQ	MKSI	Fri, Feb 25, 2005	18.24	18.80	18.20	18.74
1485	NASDAQ	MKSI	Thu, Feb 24, 2005	17.56	18.36	17.52	18.28
1484	NASDAQ	MKSI	Wed, Feb 23, 2005	17.86	17.99	17.53	17.73
1483	NASDAQ	MKSI	Tue, Feb 22, 2005	17.75	18.47	17.65	17.68
1482	NASDAQ	MKSI	Fri, Feb 18, 2005	17.93	18.29	17.81	18.04
1481	NASDAQ	MKSI	Thu, Feb 17, 2005	18.01	18.35	17.81	17.91
1480	NASDAQ	MKSI	Wed, Feb 16, 2005	18.11	18.38	18.07	18.17
1479	NASDAQ	MKSI	Tue, Feb 15, 2005	17.64	18.43	17.60	18.25
1478	NASDAQ	MKSI	Mon, Feb 14, 2005	17.99	18.30	17.58	17.74
1477	NASDAQ	MKSI	Fri, Feb 11, 2005	18.60	18.70	17.84	18.10
1476	NASDAQ	MKSI	Thu, Feb 10, 2005	16.93	17.39	16.74	17.11
1475	NASDAQ	MKSI	Wed, Feb 9, 2005	17.51	17.58	16.87	17.04
1474	NASDAQ	MKSI	Tue, Feb 8, 2005	16.87	18.13	16.68	17.56
1473	NASDAQ	MKSI	Mon, Feb 7, 2005	16.58	16.76	16.41	16.53
1472	NASDAQ	MKSI	Fri, Feb 4, 2005	15.85	16.72	15.85	16.71
1471	NASDAQ	MKSI	Thu, Feb 3, 2005	16.03	16.07	15.74	15.90
1470	NASDAQ	MKSI	Wed, Feb 2, 2005	16.16	16.16	15.73	15.96
1469	NASDAQ	MKSI	Tue, Feb 1, 2005	15.56	16.13	15.56	16.00
1468	NASDAQ	MKSI	Mon, Jan 31, 2005	15.38	15.84	15.37	15.65
1467	NASDAQ	MKSI	Fri, Jan 28, 2005	15.76	15.80	15.13	15.26
1466	NASDAQ	MKSI	Thu, Jan 27, 2005	15.49	16.00	15.42	15.79
1465	NASDAQ	MKSI	Wed, Jan 26, 2005	15.32	15.69	15.32	15.66
1464	NASDAQ	MKSI	Tue, Jan 25, 2005	14.57	15.61	14.57	15.18
1463	NASDAQ	MKSI	Mon, Jan 24, 2005	14.93	15.10	14.46	14.51
1462	NASDAQ	MKSI	Fri, Jan 21, 2005	15.39	15.39	14.95	15.01
1461	NASDAQ	MKSI	Thu, Jan 20, 2005	15.00	15.34	15.00	15.25
1460	NASDAQ	MKSI	Wed, Jan 19, 2005	15.64	15.64	15.13	15.19
1459	NASDAQ	MKSI	Tue, Jan 18, 2005	15.05	15.56	14.97	15.50
1458	NASDAQ	MKSI	Fri, Jan 14, 2005	15.00	15.24	14.82	15.18
1457	NASDAQ	MKSI	Thu, Jan 13, 2005	15.02	15.21	14.68	14.80
1456	NASDAQ	MKSI	Wed, Jan 12, 2005	15.49	15.63	14.95	15.19
1455	NASDAQ	MKSI	Tue, Jan 11, 2005	15.55	15.57	14.98	15.07
1454	NASDAQ	MKSI	Mon, Jan 10, 2005	15.83	16.05	15.63	15.68
1453	NASDAQ	MKSI	Fri, Jan 7, 2005	16.68	16.68	15.71	16.03
1452	NASDAQ	MKSI	Thu, Jan 6, 2005	16.73	17.00	16.24	16.43
1451	NASDAQ	MKSI	Wed, Jan 5, 2005	17.20	17.41	16.53	16.71
1450	NASDAQ	MKSI	Tue, Jan 4, 2005	17.93	18.28	17.17	17.33
1449	NASDAQ	MKSI	Mon, Jan 3, 2005	18.45	18.65	18.12	18.23
1448	NASDAQ	MKSI	Fri, Dec 31, 2004	18.37	18.66	18.30	18.55
1447	NASDAQ	MKSI	Thu, Dec 30, 2004	18.41	18.74	18.35	18.60
1446	NASDAQ	MKSI	Wed, Dec 29, 2004	18.40	18.84	18.31	18.55
1445	NASDAQ	MKSI	Tue, Dec 28, 2004	18.05	18.59	18.05	18.57
1444	NASDAQ	MKSI	Mon, Dec 27, 2004	18.40	18.53	17.94	18.23
1443	NASDAQ	MKSI	Thu, Dec 23, 2004	18.39	18.61	18.18	18.54
1442	NASDAQ	MKSI	Wed, Dec 22, 2004	18.08	18.39	17.95	18.35
1441	NASDAQ	MKSI	Tue, Dec 21, 2004	17.41	18.45	17.41	18.14
1440	NASDAQ	MKSI	Mon, Dec 20, 2004	18.13	18.55	17.46	17.55
1439	NASDAQ	MKSI	Fri, Dec 17, 2004	17.98	18.41	17.91	18.28
1438	NASDAQ	MKSI	Thu, Dec 16, 2004	18.19	18.57	17.99	18.14
1437	NASDAQ	MKSI	Wed, Dec 15, 2004	17.88	18.47	17.88	18.41
1436	NASDAQ	MKSI	Tue, Dec 14, 2004	17.46	18.19	17.34	18.09
1435	NASDAQ	MKSI	Mon, Dec 13, 2004	17.18	17.62	16.96	17.42
1434	NASDAQ	MKSI	Fri, Dec 10, 2004	17.01	17.30	16.88	17.09
1433	NASDAQ	MKSI	Thu, Dec 9, 2004	17.52	17.52	16.81	17.24
1432	NASDAQ	MKSI	Wed, Dec 8, 2004	17.82	17.97	17.52	17.74
1431	NASDAQ	MKSI	Tue, Dec 7, 2004	18.25	18.53	17.71	17.76
1430	NASDAQ	MKSI	Mon, Dec 6, 2004	18.18	18.54	17.92	18.38
1429	NASDAQ	MKSI	Fri, Dec 3, 2004	18.26	18.60	18.19	18.35
1428	NASDAQ	MKSI	Thu, Dec 2, 2004	17.49	18.50	17.41	17.91
1427	NASDAQ	MKSI	Wed, Dec 1, 2004	17.03	17.75	17.03	17.66
1426	NASDAQ	MKSI	Tue, Nov 30, 2004	17.24	17.35	16.95	16.99
1425	NASDAQ	MKSI	Mon, Nov 29, 2004	17.18	17.41	16.99	17.22
1424	NASDAQ	MKSI	Fri, Nov 26, 2004	16.99	17.17	16.99	16.99
1423	NASDAQ	MKSI	Wed, Nov 24, 2004	16.94	17.17	16.69	17.02
1422	NASDAQ	MKSI	Tue, Nov 23, 2004	16.90	17.01	16.53	16.82
1421	NASDAQ	MKSI	Mon, Nov 22, 2004	16.56	16.94	16.50	16.85
1420	NASDAQ	MKSI	Fri, Nov 19, 2004	17.39	17.39	16.71	16.76
1419	NASDAQ	MKSI	Thu, Nov 18, 2004	17.01	17.41	16.78	17.41
1418	NASDAQ	MKSI	Wed, Nov 17, 2004	16.64	17.40	16.63	17.19
1417	NASDAQ	MKSI	Tue, Nov 16, 2004	16.24	16.59	16.04	16.54
1416	NASDAQ	MKSI	Mon, Nov 15, 2004	15.63	16.21	15.63	16.18
1415	NASDAQ	MKSI	Fri, Nov 12, 2004	15.71	15.79	15.36	15.79
1414	NASDAQ	MKSI	Thu, Nov 11, 2004	15.52	15.70	15.42	15.68
1413	NASDAQ	MKSI	Wed, Nov 10, 2004	15.80	15.88	15.35	15.46
1412	NASDAQ	MKSI	Tue, Nov 9, 2004	15.56	15.86	15.56	15.86
1411	NASDAQ	MKSI	Mon, Nov 8, 2004	15.75	16.12	15.59	15.73
1410	NASDAQ	MKSI	Fri, Nov 5, 2004	15.83	16.25	15.76	15.93
1409	NASDAQ	MKSI	Thu, Nov 4, 2004	15.74	15.86	15.39	15.70
1408	NASDAQ	MKSI	Wed, Nov 3, 2004	16.53	16.53	15.72	15.86
1407	NASDAQ	MKSI	Tue, Nov 2, 2004	15.71	16.31	15.70	15.87
1406	NASDAQ	MKSI	Mon, Nov 1, 2004	15.71	16.04	15.71	15.92
1405	NASDAQ	MKSI	Fri, Oct 29, 2004	15.80	16.21	15.78	15.82
1404	NASDAQ	MKSI	Thu, Oct 28, 2004	15.83	16.19	15.81	16.09
1403	NASDAQ	MKSI	Wed, Oct 27, 2004	15.36	15.95	15.31	15.92
1402	NASDAQ	MKSI	Tue, Oct 26, 2004	15.58	15.69	15.02	15.43
1401	NASDAQ	MKSI	Mon, Oct 25, 2004	15.19	15.74	15.00	15.44
1400	NASDAQ	MKSI	Fri, Oct 22, 2004	15.81	15.95	14.97	15.02
1399	NASDAQ	MKSI	Thu, Oct 21, 2004	15.25	15.89	14.93	15.82
1398	NASDAQ	MKSI	Wed, Oct 20, 2004	14.36	16.16	14.36	15.18
1397	NASDAQ	MKSI	Tue, Oct 19, 2004	15.11	15.56	15.00	15.05
1396	NASDAQ	MKSI	Mon, Oct 18, 2004	14.70	15.00	14.57	14.89
1395	NASDAQ	MKSI	Fri, Oct 15, 2004	14.87	15.03	14.64	14.79
1394	NASDAQ	MKSI	Thu, Oct 14, 2004	15.66	15.68	14.82	14.92
1393	NASDAQ	MKSI	Wed, Oct 13, 2004	16.10	16.20	15.61	15.66
1392	NASDAQ	MKSI	Tue, Oct 12, 2004	15.41	15.93	15.25	15.66
1391	NASDAQ	MKSI	Mon, Oct 11, 2004	15.79	15.93	15.54	15.71
1390	NASDAQ	MKSI	Fri, Oct 8, 2004	16.33	16.42	15.77	15.93
1389	NASDAQ	MKSI	Thu, Oct 7, 2004	17.03	17.29	16.50	16.50
1388	NASDAQ	MKSI	Wed, Oct 6, 2004	16.79	17.07	16.49	17.07
1387	NASDAQ	MKSI	Tue, Oct 5, 2004	16.95	17.07	16.51	16.93
1386	NASDAQ	MKSI	Mon, Oct 4, 2004	16.60	17.19	16.59	16.93
1385	NASDAQ	MKSI	Fri, Oct 1, 2004	15.59	16.40	15.47	16.39
1384	NASDAQ	MKSI	Thu, Sep 30, 2004	15.21	15.74	15.20	15.32
1383	NASDAQ	MKSI	Wed, Sep 29, 2004	14.94	15.47	14.89	15.22
1382	NASDAQ	MKSI	Tue, Sep 28, 2004	14.83	15.07	14.68	14.99
1381	NASDAQ	MKSI	Mon, Sep 27, 2004	14.74	15.11	14.57	14.81
1380	NASDAQ	MKSI	Fri, Sep 24, 2004	15.82	15.85	14.96	14.97
1379	NASDAQ	MKSI	Thu, Sep 23, 2004	15.84	15.97	15.39	15.82
1378	NASDAQ	MKSI	Wed, Sep 22, 2004	16.15	16.45	15.75	15.88
1377	NASDAQ	MKSI	Tue, Sep 21, 2004	16.07	16.57	16.07	16.42
1376	NASDAQ	MKSI	Mon, Sep 20, 2004	15.74	16.58	15.56	16.08
1375	NASDAQ	MKSI	Fri, Sep 17, 2004	14.95	16.06	14.62	15.85
1374	NASDAQ	MKSI	Thu, Sep 16, 2004	15.72	16.25	15.72	15.97
1373	NASDAQ	MKSI	Wed, Sep 15, 2004	15.61	15.75	15.32	15.59
1372	NASDAQ	MKSI	Tue, Sep 14, 2004	15.53	15.87	15.24	15.73
1371	NASDAQ	MKSI	Mon, Sep 13, 2004	15.60	16.27	15.18	15.74
1370	NASDAQ	MKSI	Fri, Sep 10, 2004	13.40	13.86	13.12	13.86
1369	NASDAQ	MKSI	Thu, Sep 9, 2004	13.16	13.45	13.07	13.42
1368	NASDAQ	MKSI	Wed, Sep 8, 2004	13.21	13.39	13.00	13.00
1367	NASDAQ	MKSI	Tue, Sep 7, 2004	13.28	13.68	13.10	13.30
1366	NASDAQ	MKSI	Fri, Sep 3, 2004	13.30	13.60	13.22	13.31
1365	NASDAQ	MKSI	Thu, Sep 2, 2004	13.52	13.80	13.30	13.62
1364	NASDAQ	MKSI	Wed, Sep 1, 2004	13.44	14.07	13.31	13.46
1363	NASDAQ	MKSI	Tue, Aug 31, 2004	13.26	13.44	13.10	13.44
1362	NASDAQ	MKSI	Mon, Aug 30, 2004	13.63	13.71	13.26	13.36
1361	NASDAQ	MKSI	Fri, Aug 27, 2004	13.31	13.70	13.31	13.63
1360	NASDAQ	MKSI	Thu, Aug 26, 2004	13.47	13.47	13.20	13.31
1359	NASDAQ	MKSI	Wed, Aug 25, 2004	13.35	13.63	13.30	13.55
1358	NASDAQ	MKSI	Tue, Aug 24, 2004	13.84	14.07	13.30	13.40
1357	NASDAQ	MKSI	Mon, Aug 23, 2004	14.00	14.14	13.77	13.85
1356	NASDAQ	MKSI	Fri, Aug 20, 2004	13.75	14.00	13.54	13.97
1355	NASDAQ	MKSI	Thu, Aug 19, 2004	14.15	14.15	13.50	13.69
1354	NASDAQ	MKSI	Wed, Aug 18, 2004	13.30	14.14	13.20	14.10
1353	NASDAQ	MKSI	Tue, Aug 17, 2004	13.22	13.53	13.15	13.34
1352	NASDAQ	MKSI	Mon, Aug 16, 2004	12.80	13.23	12.70	13.16
1351	NASDAQ	MKSI	Fri, Aug 13, 2004	12.85	12.97	12.65	12.75
1350	NASDAQ	MKSI	Thu, Aug 12, 2004	13.05	13.20	12.69	12.73
1349	NASDAQ	MKSI	Wed, Aug 11, 2004	13.61	13.71	13.10	13.20
1348	NASDAQ	MKSI	Tue, Aug 10, 2004	13.75	14.20	13.75	14.18
1347	NASDAQ	MKSI	Mon, Aug 9, 2004	13.85	14.05	13.65	13.75
1346	NASDAQ	MKSI	Fri, Aug 6, 2004	14.09	14.25	13.70	13.89
1345	NASDAQ	MKSI	Thu, Aug 5, 2004	14.60	14.87	14.27	14.39
1344	NASDAQ	MKSI	Wed, Aug 4, 2004	14.25	14.74	14.06	14.64
1343	NASDAQ	MKSI	Tue, Aug 3, 2004	14.35	14.47	13.91	14.32
1342	NASDAQ	MKSI	Mon, Aug 2, 2004	14.77	14.77	14.15	14.45
1341	NASDAQ	MKSI	Fri, Jul 30, 2004	14.11	15.00	14.11	14.72
1340	NASDAQ	MKSI	Thu, Jul 29, 2004	13.64	14.26	13.51	14.11
1339	NASDAQ	MKSI	Wed, Jul 28, 2004	13.39	13.56	12.86	13.38
1338	NASDAQ	MKSI	Tue, Jul 27, 2004	12.89	13.64	12.68	13.64
1337	NASDAQ	MKSI	Mon, Jul 26, 2004	12.85	12.99	12.63	12.96
1336	NASDAQ	MKSI	Fri, Jul 23, 2004	13.50	13.86	12.85	12.97
1335	NASDAQ	MKSI	Thu, Jul 22, 2004	13.45	13.65	12.44	13.53
1334	NASDAQ	MKSI	Wed, Jul 21, 2004	15.36	15.40	13.25	13.34
1333	NASDAQ	MKSI	Tue, Jul 20, 2004	16.91	17.39	16.88	17.39
1332	NASDAQ	MKSI	Mon, Jul 19, 2004	17.20	17.35	16.45	16.89
1331	NASDAQ	MKSI	Fri, Jul 16, 2004	17.70	17.97	16.95	17.09
1330	NASDAQ	MKSI	Thu, Jul 15, 2004	17.18	17.72	17.15	17.58
1329	NASDAQ	MKSI	Wed, Jul 14, 2004	17.94	18.20	17.12	17.15
1328	NASDAQ	MKSI	Tue, Jul 13, 2004	18.43	18.96	18.30	18.58
1327	NASDAQ	MKSI	Mon, Jul 12, 2004	19.65	19.72	17.67	18.35
1326	NASDAQ	MKSI	Fri, Jul 9, 2004	20.38	20.41	19.76	20.08
1325	NASDAQ	MKSI	Thu, Jul 8, 2004	20.27	20.46	20.00	20.10
1324	NASDAQ	MKSI	Wed, Jul 7, 2004	20.14	20.95	20.11	20.38
1323	NASDAQ	MKSI	Tue, Jul 6, 2004	21.01	21.01	19.70	20.20
1322	NASDAQ	MKSI	Fri, Jul 2, 2004	21.67	21.88	20.99	21.18
1321	NASDAQ	MKSI	Thu, Jul 1, 2004	22.65	22.79	21.68	21.83
1320	NASDAQ	MKSI	Wed, Jun 30, 2004	22.40	22.90	22.40	22.82
1319	NASDAQ	MKSI	Tue, Jun 29, 2004	21.65	22.52	21.65	22.40
1318	NASDAQ	MKSI	Mon, Jun 28, 2004	21.97	22.39	21.66	21.88
1317	NASDAQ	MKSI	Fri, Jun 25, 2004	21.45	22.15	21.45	22.05
1316	NASDAQ	MKSI	Thu, Jun 24, 2004	22.30	22.30	21.41	21.57
1315	NASDAQ	MKSI	Wed, Jun 23, 2004	21.27	23.59	21.18	22.23
1314	NASDAQ	MKSI	Tue, Jun 22, 2004	20.40	21.43	20.33	21.43
1313	NASDAQ	MKSI	Mon, Jun 21, 2004	21.10	21.11	20.35	20.45
1312	NASDAQ	MKSI	Fri, Jun 18, 2004	20.73	21.39	20.66	20.88
1311	NASDAQ	MKSI	Thu, Jun 17, 2004	21.67	21.67	20.69	20.88
1310	NASDAQ	MKSI	Wed, Jun 16, 2004	21.85	21.95	21.47	21.51
1309	NASDAQ	MKSI	Tue, Jun 15, 2004	21.44	22.08	21.44	21.83
1308	NASDAQ	MKSI	Mon, Jun 14, 2004	21.24	21.39	20.92	21.29
1307	NASDAQ	MKSI	Thu, Jun 10, 2004	22.15	22.50	21.55	21.70
1306	NASDAQ	MKSI	Wed, Jun 9, 2004	23.38	23.44	22.12	22.25
1305	NASDAQ	MKSI	Tue, Jun 8, 2004	23.44	23.49	23.09	23.41
1304	NASDAQ	MKSI	Mon, Jun 7, 2004	22.88	23.59	22.77	23.56
1303	NASDAQ	MKSI	Fri, Jun 4, 2004	22.67	22.88	22.42	22.64
1302	NASDAQ	MKSI	Thu, Jun 3, 2004	22.80	22.92	22.21	22.21
1301	NASDAQ	MKSI	Wed, Jun 2, 2004	23.19	23.23	22.60	22.80
1300	NASDAQ	MKSI	Tue, Jun 1, 2004	23.21	23.25	22.54	23.17
1299	NASDAQ	MKSI	Fri, May 28, 2004	23.03	23.38	22.82	23.36
1298	NASDAQ	MKSI	Thu, May 27, 2004	22.41	23.05	22.41	22.98
1297	NASDAQ	MKSI	Wed, May 26, 2004	21.76	22.59	21.60	22.46
1296	NASDAQ	MKSI	Tue, May 25, 2004	20.84	21.85	20.62	21.79
1295	NASDAQ	MKSI	Mon, May 24, 2004	20.94	21.12	20.76	21.02
1294	NASDAQ	MKSI	Fri, May 21, 2004	20.26	20.77	20.21	20.58
1293	NASDAQ	MKSI	Thu, May 20, 2004	20.33	20.56	20.10	20.20
1292	NASDAQ	MKSI	Wed, May 19, 2004	20.25	20.77	19.91	20.40
1291	NASDAQ	MKSI	Tue, May 18, 2004	19.80	19.87	19.43	19.86
1290	NASDAQ	MKSI	Mon, May 17, 2004	19.05	19.57	18.76	19.18
1289	NASDAQ	MKSI	Fri, May 14, 2004	20.13	20.47	19.45	19.53
1288	NASDAQ	MKSI	Thu, May 13, 2004	20.18	20.44	19.78	20.07
1287	NASDAQ	MKSI	Wed, May 12, 2004	20.12	20.38	19.15	20.33
1286	NASDAQ	MKSI	Tue, May 11, 2004	19.42	20.23	19.35	20.05
1285	NASDAQ	MKSI	Mon, May 10, 2004	19.57	19.57	18.62	19.15
1284	NASDAQ	MKSI	Fri, May 7, 2004	19.59	20.25	19.57	19.75
1283	NASDAQ	MKSI	Thu, May 6, 2004	20.26	20.38	19.49	19.69
1282	NASDAQ	MKSI	Wed, May 5, 2004	20.37	20.83	20.24	20.50
1281	NASDAQ	MKSI	Tue, May 4, 2004	19.58	20.70	19.53	20.35
1280	NASDAQ	MKSI	Mon, May 3, 2004	19.44	20.20	19.17	19.85
1279	NASDAQ	MKSI	Fri, Apr 30, 2004	19.77	20.20	19.13	19.20
1278	NASDAQ	MKSI	Thu, Apr 29, 2004	20.51	20.72	19.60	19.67
1277	NASDAQ	MKSI	Wed, Apr 28, 2004	20.89	21.08	20.45	20.50
1276	NASDAQ	MKSI	Tue, Apr 27, 2004	21.46	21.78	20.80	20.80
1275	NASDAQ	MKSI	Mon, Apr 26, 2004	22.26	22.57	21.25	21.48
1274	NASDAQ	MKSI	Fri, Apr 23, 2004	21.90	22.38	21.77	22.19
1273	NASDAQ	MKSI	Thu, Apr 22, 2004	21.42	22.36	21.38	21.90
1272	NASDAQ	MKSI	Wed, Apr 21, 2004	22.70	22.90	21.28	22.28
1271	NASDAQ	MKSI	Tue, Apr 20, 2004	21.98	22.40	20.80	20.95
1270	NASDAQ	MKSI	Mon, Apr 19, 2004	21.83	21.95	21.63	21.88
1269	NASDAQ	MKSI	Fri, Apr 16, 2004	22.94	22.94	21.72	21.82
1268	NASDAQ	MKSI	Thu, Apr 15, 2004	24.43	24.72	22.97	23.02
1267	NASDAQ	MKSI	Wed, Apr 14, 2004	24.72	25.05	24.24	24.52
1266	NASDAQ	MKSI	Tue, Apr 13, 2004	25.62	25.62	24.63	24.95
1265	NASDAQ	MKSI	Mon, Apr 12, 2004	25.50	25.68	25.22	25.54
1264	NASDAQ	MKSI	Thu, Apr 8, 2004	25.75	25.92	25.31	25.50
1263	NASDAQ	MKSI	Wed, Apr 7, 2004	25.45	25.68	24.93	25.45
1262	NASDAQ	MKSI	Tue, Apr 6, 2004	25.71	25.95	25.41	25.50
1261	NASDAQ	MKSI	Mon, Apr 5, 2004	25.89	26.20	25.65	26.20
1260	NASDAQ	MKSI	Fri, Apr 2, 2004	25.15	26.00	25.00	25.94
1259	NASDAQ	MKSI	Thu, Apr 1, 2004	23.91	25.03	23.91	24.75
1258	NASDAQ	MKSI	Wed, Mar 31, 2004	23.62	24.27	23.31	24.01
1257	NASDAQ	MKSI	Tue, Mar 30, 2004	23.51	23.61	23.11	23.59
1256	NASDAQ	MKSI	Mon, Mar 29, 2004	23.41	23.93	23.15	23.59
1255	NASDAQ	MKSI	Fri, Mar 26, 2004	22.96	23.30	22.75	23.10
1254	NASDAQ	MKSI	Thu, Mar 25, 2004	22.13	23.06	21.98	22.94
1253	NASDAQ	MKSI	Wed, Mar 24, 2004	21.55	22.14	21.42	21.99
1252	NASDAQ	MKSI	Tue, Mar 23, 2004	21.88	22.18	21.46	21.60
1251	NASDAQ	MKSI	Mon, Mar 22, 2004	22.29	22.35	21.08	21.63
1250	NASDAQ	MKSI	Fri, Mar 19, 2004	23.34	23.50	22.39	22.51
1249	NASDAQ	MKSI	Thu, Mar 18, 2004	23.53	23.81	22.96	23.32
1248	NASDAQ	MKSI	Wed, Mar 17, 2004	22.94	23.83	22.85	23.68
1247	NASDAQ	MKSI	Tue, Mar 16, 2004	23.05	23.45	22.25	22.68
1246	NASDAQ	MKSI	Mon, Mar 15, 2004	23.67	23.67	22.65	22.90
1245	NASDAQ	MKSI	Fri, Mar 12, 2004	23.04	23.70	23.02	23.62
1244	NASDAQ	MKSI	Thu, Mar 11, 2004	22.70	23.53	22.50	22.82
1243	NASDAQ	MKSI	Wed, Mar 10, 2004	23.70	23.79	22.57	22.67
1242	NASDAQ	MKSI	Tue, Mar 9, 2004	24.03	24.03	23.00	23.62
1241	NASDAQ	MKSI	Mon, Mar 8, 2004	24.75	25.05	23.99	24.02
1240	NASDAQ	MKSI	Fri, Mar 5, 2004	24.47	24.83	24.22	24.65
1239	NASDAQ	MKSI	Thu, Mar 4, 2004	24.14	24.89	24.14	24.80
1238	NASDAQ	MKSI	Wed, Mar 3, 2004	24.64	24.73	23.87	24.20
1237	NASDAQ	MKSI	Tue, Mar 2, 2004	24.16	25.15	23.75	24.68
1236	NASDAQ	MKSI	Mon, Mar 1, 2004	24.10	24.44	23.80	24.35
1235	NASDAQ	MKSI	Fri, Feb 27, 2004	24.68	24.70	23.77	24.15
1234	NASDAQ	MKSI	Thu, Feb 26, 2004	24.30	24.62	23.79	24.52
1233	NASDAQ	MKSI	Wed, Feb 25, 2004	23.90	24.21	23.47	24.12
1232	NASDAQ	MKSI	Tue, Feb 24, 2004	23.60	24.13	22.91	23.77
1231	NASDAQ	MKSI	Mon, Feb 23, 2004	25.13	25.14	23.35	23.60
1230	NASDAQ	MKSI	Fri, Feb 20, 2004	25.07	25.25	24.47	24.83
1229	NASDAQ	MKSI	Thu, Feb 19, 2004	26.17	26.26	25.07	25.07
1228	NASDAQ	MKSI	Wed, Feb 18, 2004	25.42	25.74	24.69	25.42
1227	NASDAQ	MKSI	Tue, Feb 17, 2004	25.00	25.41	24.82	25.33
1226	NASDAQ	MKSI	Fri, Feb 13, 2004	25.49	25.50	24.53	24.85
1225	NASDAQ	MKSI	Thu, Feb 12, 2004	25.07	25.75	24.71	24.88
1224	NASDAQ	MKSI	Wed, Feb 11, 2004	24.06	25.20	24.06	25.05
1223	NASDAQ	MKSI	Tue, Feb 10, 2004	24.40	24.42	23.79	24.13
1222	NASDAQ	MKSI	Mon, Feb 9, 2004	24.69	24.94	23.99	23.99
1221	NASDAQ	MKSI	Fri, Feb 6, 2004	23.39	24.60	23.34	24.50
1220	NASDAQ	MKSI	Thu, Feb 5, 2004	23.25	23.66	22.96	23.13
1219	NASDAQ	MKSI	Wed, Feb 4, 2004	23.22	23.25	21.66	22.80
1218	NASDAQ	MKSI	Tue, Feb 3, 2004	22.60	22.74	22.10	22.32
1217	NASDAQ	MKSI	Mon, Feb 2, 2004	23.79	23.83	22.54	22.95
1216	NASDAQ	MKSI	Fri, Jan 30, 2004	23.24	23.75	22.75	23.64
1215	NASDAQ	MKSI	Thu, Jan 29, 2004	24.00	24.17	21.45	23.24
1214	NASDAQ	MKSI	Wed, Jan 28, 2004	24.59	25.11	23.74	23.99
1213	NASDAQ	MKSI	Tue, Jan 27, 2004	25.26	25.70	24.07	24.29
1212	NASDAQ	MKSI	Mon, Jan 26, 2004	25.25	25.70	24.71	25.69
1211	NASDAQ	MKSI	Fri, Jan 23, 2004	25.87	26.21	24.94	25.17
1210	NASDAQ	MKSI	Thu, Jan 22, 2004	26.41	26.96	25.50	25.76
1209	NASDAQ	MKSI	Wed, Jan 21, 2004	26.61	26.78	25.73	26.62
1208	NASDAQ	MKSI	Tue, Jan 20, 2004	27.60	27.69	26.66	27.06
1207	NASDAQ	MKSI	Fri, Jan 16, 2004	26.09	27.55	26.00	27.34
1206	NASDAQ	MKSI	Thu, Jan 15, 2004	26.25	26.78	25.53	26.43
1205	NASDAQ	MKSI	Wed, Jan 14, 2004	27.72	28.05	26.85	27.42
1204	NASDAQ	MKSI	Tue, Jan 13, 2004	28.92	28.92	27.26	27.70
1203	NASDAQ	MKSI	Mon, Jan 12, 2004	28.00	28.92	27.45	28.92
1202	NASDAQ	MKSI	Fri, Jan 9, 2004	28.04	28.74	27.80	28.05
1201	NASDAQ	MKSI	Thu, Jan 8, 2004	28.28	29.14	27.80	28.83
1200	NASDAQ	MKSI	Wed, Jan 7, 2004	27.49	28.35	26.39	28.19
1199	NASDAQ	MKSI	Tue, Jan 6, 2004	29.81	29.97	29.34	29.86
1198	NASDAQ	MKSI	Mon, Jan 5, 2004	28.98	29.93	28.83	29.93
1197	NASDAQ	MKSI	Fri, Jan 2, 2004	29.06	29.16	28.60	28.88
1196	NASDAQ	MKSI	Wed, Dec 31, 2003	29.03	29.23	28.63	29.00
1195	NASDAQ	MKSI	Tue, Dec 30, 2003	29.10	29.41	28.66	29.02
1194	NASDAQ	MKSI	Mon, Dec 29, 2003	28.43	29.23	28.25	29.09
1193	NASDAQ	MKSI	Fri, Dec 26, 2003	27.50	28.17	27.50	28.00
1192	NASDAQ	MKSI	Wed, Dec 24, 2003	27.40	27.96	26.84	27.50
1191	NASDAQ	MKSI	Tue, Dec 23, 2003	26.85	27.59	26.79	27.57
1190	NASDAQ	MKSI	Mon, Dec 22, 2003	26.11	26.93	26.05	26.88
1189	NASDAQ	MKSI	Fri, Dec 19, 2003	26.40	26.93	25.68	26.42
1188	NASDAQ	MKSI	Thu, Dec 18, 2003	24.50	25.46	24.32	25.44
1187	NASDAQ	MKSI	Wed, Dec 17, 2003	23.55	24.48	23.05	24.28
1186	NASDAQ	MKSI	Tue, Dec 16, 2003	23.70	23.90	23.04	23.78
1185	NASDAQ	MKSI	Mon, Dec 15, 2003	26.25	26.59	23.71	23.71
1184	NASDAQ	MKSI	Fri, Dec 12, 2003	24.58	25.60	24.37	25.54
1183	NASDAQ	MKSI	Thu, Dec 11, 2003	23.71	24.86	23.68	24.53
1182	NASDAQ	MKSI	Wed, Dec 10, 2003	24.06	24.57	23.50	23.67
1181	NASDAQ	MKSI	Tue, Dec 9, 2003	25.38	25.60	24.12	24.28
1180	NASDAQ	MKSI	Mon, Dec 8, 2003	25.83	26.21	25.01	25.29
1179	NASDAQ	MKSI	Fri, Dec 5, 2003	26.45	26.60	25.74	26.15
1178	NASDAQ	MKSI	Thu, Dec 4, 2003	26.81	27.30	26.25	27.21
1177	NASDAQ	MKSI	Wed, Dec 3, 2003	27.32	27.80	26.78	26.86
1176	NASDAQ	MKSI	Tue, Dec 2, 2003	27.81	27.89	27.17	27.20
1175	NASDAQ	MKSI	Mon, Dec 1, 2003	27.31	28.12	27.00	27.77
1174	NASDAQ	MKSI	Fri, Nov 28, 2003	27.26	27.89	27.26	27.77
1173	NASDAQ	MKSI	Wed, Nov 26, 2003	28.00	28.00	26.95	27.31
1172	NASDAQ	MKSI	Tue, Nov 25, 2003	27.37	27.97	27.25	27.65
1171	NASDAQ	MKSI	Mon, Nov 24, 2003	25.67	27.53	25.63	27.35
1170	NASDAQ	MKSI	Fri, Nov 21, 2003	26.35	26.46	25.76	26.12
1169	NASDAQ	MKSI	Thu, Nov 20, 2003	26.19	26.86	25.86	26.12
1168	NASDAQ	MKSI	Wed, Nov 19, 2003	26.06	26.89	25.92	26.64
1167	NASDAQ	MKSI	Tue, Nov 18, 2003	27.20	27.65	25.99	26.01
1166	NASDAQ	MKSI	Mon, Nov 17, 2003	26.37	27.16	25.99	26.71
1165	NASDAQ	MKSI	Fri, Nov 14, 2003	28.00	28.50	27.08	27.26
1164	NASDAQ	MKSI	Thu, Nov 13, 2003	28.37	28.69	27.55	28.03
1163	NASDAQ	MKSI	Wed, Nov 12, 2003	27.24	28.30	27.19	28.17
1162	NASDAQ	MKSI	Tue, Nov 11, 2003	27.35	27.77	26.83	27.11
1161	NASDAQ	MKSI	Mon, Nov 10, 2003	27.50	28.59	27.44	27.61
1160	NASDAQ	MKSI	Fri, Nov 7, 2003	28.45	28.77	28.00	28.21
1159	NASDAQ	MKSI	Thu, Nov 6, 2003	28.39	29.04	27.22	28.30
1158	NASDAQ	MKSI	Wed, Nov 5, 2003	28.20	28.39	26.86	28.28
1157	NASDAQ	MKSI	Tue, Nov 4, 2003	26.59	28.50	26.57	27.95
1156	NASDAQ	MKSI	Mon, Nov 3, 2003	25.92	26.94	25.50	26.71
1155	NASDAQ	MKSI	Fri, Oct 31, 2003	25.69	26.22	25.29	26.01
1154	NASDAQ	MKSI	Thu, Oct 30, 2003	25.35	26.56	25.27	25.90
1153	NASDAQ	MKSI	Wed, Oct 29, 2003	24.51	25.13	24.18	25.00
1152	NASDAQ	MKSI	Tue, Oct 28, 2003	22.76	25.17	22.70	24.91
1151	NASDAQ	MKSI	Mon, Oct 27, 2003	20.63	22.48	20.54	22.34
1150	NASDAQ	MKSI	Fri, Oct 24, 2003	20.89	21.21	20.36	21.04
1149	NASDAQ	MKSI	Thu, Oct 23, 2003	20.64	21.41	20.42	21.30
1148	NASDAQ	MKSI	Wed, Oct 22, 2003	21.77	22.13	21.31	21.98
1147	NASDAQ	MKSI	Tue, Oct 21, 2003	22.07	22.98	21.75	22.46
1146	NASDAQ	MKSI	Mon, Oct 20, 2003	21.67	22.50	21.67	21.92
1145	NASDAQ	MKSI	Fri, Oct 17, 2003	23.39	23.48	21.91	22.18
1144	NASDAQ	MKSI	Thu, Oct 16, 2003	23.97	24.07	23.52	24.00
1143	NASDAQ	MKSI	Wed, Oct 15, 2003	24.46	24.86	23.91	24.19
1142	NASDAQ	MKSI	Tue, Oct 14, 2003	24.11	24.29	23.38	23.70
1141	NASDAQ	MKSI	Mon, Oct 13, 2003	23.72	24.54	23.62	24.42
1140	NASDAQ	MKSI	Fri, Oct 10, 2003	23.77	24.43	23.17	23.69
1139	NASDAQ	MKSI	Thu, Oct 9, 2003	23.60	24.53	23.34	23.72
1138	NASDAQ	MKSI	Wed, Oct 8, 2003	22.75	23.32	22.51	23.30
1137	NASDAQ	MKSI	Tue, Oct 7, 2003	22.07	23.31	21.87	23.31
1136	NASDAQ	MKSI	Mon, Oct 6, 2003	22.41	23.00	22.33	22.64
1135	NASDAQ	MKSI	Fri, Oct 3, 2003	22.42	23.24	22.15	22.99
1134	NASDAQ	MKSI	Thu, Oct 2, 2003	21.00	22.36	20.90	21.70
1133	NASDAQ	MKSI	Wed, Oct 1, 2003	21.99	22.63	21.10	21.91
1132	NASDAQ	MKSI	Tue, Sep 30, 2003	22.10	22.42	21.61	21.66
1131	NASDAQ	MKSI	Mon, Sep 29, 2003	21.98	23.20	21.86	22.86
1130	NASDAQ	MKSI	Fri, Sep 26, 2003	23.27	23.40	22.25	22.29
1129	NASDAQ	MKSI	Thu, Sep 25, 2003	22.94	24.04	22.53	23.27
1128	NASDAQ	MKSI	Wed, Sep 24, 2003	24.30	24.86	23.20	23.27
1127	NASDAQ	MKSI	Tue, Sep 23, 2003	24.25	24.97	24.20	24.97
1126	NASDAQ	MKSI	Mon, Sep 22, 2003	24.37	24.49	24.00	24.12
1125	NASDAQ	MKSI	Fri, Sep 19, 2003	24.80	25.31	24.52	25.03
1124	NASDAQ	MKSI	Thu, Sep 18, 2003	24.51	25.25	24.51	25.10
1123	NASDAQ	MKSI	Wed, Sep 17, 2003	25.57	26.00	25.20	25.50
1122	NASDAQ	MKSI	Tue, Sep 16, 2003	24.58	26.02	24.57	25.89
1121	NASDAQ	MKSI	Mon, Sep 15, 2003	23.99	25.73	23.97	25.06
1120	NASDAQ	MKSI	Fri, Sep 12, 2003	25.50	25.51	24.68	25.18
1119	NASDAQ	MKSI	Thu, Sep 11, 2003	24.88	25.70	24.21	25.54
1118	NASDAQ	MKSI	Wed, Sep 10, 2003	25.36	25.70	24.19	25.00
1117	NASDAQ	MKSI	Tue, Sep 9, 2003	25.95	26.48	25.92	26.05
1116	NASDAQ	MKSI	Mon, Sep 8, 2003	26.06	27.24	25.40	26.96
1115	NASDAQ	MKSI	Fri, Sep 5, 2003	26.61	27.16	26.49	26.84
1114	NASDAQ	MKSI	Thu, Sep 4, 2003	26.46	26.90	26.02	26.90
1113	NASDAQ	MKSI	Wed, Sep 3, 2003	26.40	27.04	26.15	26.50
1112	NASDAQ	MKSI	Tue, Sep 2, 2003	26.75	27.26	26.53	27.05
1111	NASDAQ	MKSI	Fri, Aug 29, 2003	26.95	27.55	26.93	27.52
1110	NASDAQ	MKSI	Thu, Aug 28, 2003	26.03	27.24	26.00	27.15
1109	NASDAQ	MKSI	Wed, Aug 27, 2003	23.88	26.25	23.85	26.00
1108	NASDAQ	MKSI	Tue, Aug 26, 2003	23.22	25.20	22.98	25.00
1107	NASDAQ	MKSI	Mon, Aug 25, 2003	24.10	24.59	23.06	24.05
1106	NASDAQ	MKSI	Fri, Aug 22, 2003	25.05	25.56	24.71	24.94
1105	NASDAQ	MKSI	Thu, Aug 21, 2003	23.55	24.94	23.55	24.77
1104	NASDAQ	MKSI	Wed, Aug 20, 2003	23.73	24.27	23.17	23.92
1103	NASDAQ	MKSI	Tue, Aug 19, 2003	23.95	24.00	23.50	24.00
1102	NASDAQ	MKSI	Mon, Aug 18, 2003	21.83	23.95	21.75	23.85
1101	NASDAQ	MKSI	Fri, Aug 15, 2003	22.32	22.50	22.26	22.48
1100	NASDAQ	MKSI	Thu, Aug 14, 2003	22.41	22.62	21.80	22.34
1099	NASDAQ	MKSI	Wed, Aug 13, 2003	21.99	22.81	21.50	22.50
1098	NASDAQ	MKSI	Tue, Aug 12, 2003	20.90	21.98	20.39	21.98
1097	NASDAQ	MKSI	Mon, Aug 11, 2003	20.10	21.15	20.09	21.05
1096	NASDAQ	MKSI	Fri, Aug 8, 2003	21.04	21.40	20.32	20.51
1095	NASDAQ	MKSI	Thu, Aug 7, 2003	20.54	21.23	20.45	20.98
1094	NASDAQ	MKSI	Wed, Aug 6, 2003	21.60	21.61	20.81	21.17
1093	NASDAQ	MKSI	Tue, Aug 5, 2003	21.27	22.15	21.26	21.66
1092	NASDAQ	MKSI	Mon, Aug 4, 2003	21.38	22.29	21.38	22.29
1091	NASDAQ	MKSI	Fri, Aug 1, 2003	22.50	22.50	21.67	22.12
1090	NASDAQ	MKSI	Thu, Jul 31, 2003	21.98	23.23	21.94	22.48
1089	NASDAQ	MKSI	Wed, Jul 30, 2003	22.57	22.69	22.15	22.19
1088	NASDAQ	MKSI	Tue, Jul 29, 2003	22.88	23.25	22.44	22.76
1087	NASDAQ	MKSI	Mon, Jul 28, 2003	22.42	23.95	22.31	23.74
1086	NASDAQ	MKSI	Fri, Jul 25, 2003	22.29	23.37	22.28	23.11
1085	NASDAQ	MKSI	Thu, Jul 24, 2003	23.81	23.95	22.83	22.83
1084	NASDAQ	MKSI	Wed, Jul 23, 2003	22.95	23.96	22.70	23.50
1083	NASDAQ	MKSI	Tue, Jul 22, 2003	21.03	23.09	21.01	22.85
1082	NASDAQ	MKSI	Mon, Jul 21, 2003	21.30	21.79	20.70	20.83
1081	NASDAQ	MKSI	Fri, Jul 18, 2003	21.14	21.89	20.64	21.66
1080	NASDAQ	MKSI	Thu, Jul 17, 2003	22.08	22.09	20.70	21.14
1079	NASDAQ	MKSI	Wed, Jul 16, 2003	23.01	23.58	21.93	22.65
1078	NASDAQ	MKSI	Tue, Jul 15, 2003	21.82	23.66	21.81	22.80
1077	NASDAQ	MKSI	Mon, Jul 14, 2003	20.66	21.84	20.50	21.74
1076	NASDAQ	MKSI	Fri, Jul 11, 2003	19.94	20.45	19.93	20.30
1075	NASDAQ	MKSI	Thu, Jul 10, 2003	19.77	20.03	19.50	19.95
1074	NASDAQ	MKSI	Wed, Jul 9, 2003	20.25	20.55	19.75	20.25
1073	NASDAQ	MKSI	Tue, Jul 8, 2003	20.02	20.56	19.96	20.29
1072	NASDAQ	MKSI	Mon, Jul 7, 2003	18.55	20.20	18.46	20.07
1071	NASDAQ	MKSI	Thu, Jul 3, 2003	18.60	19.14	18.30	18.41
1070	NASDAQ	MKSI	Wed, Jul 2, 2003	17.68	19.10	17.67	18.95
1069	NASDAQ	MKSI	Tue, Jul 1, 2003	17.97	18.10	17.22	17.60
1068	NASDAQ	MKSI	Mon, Jun 30, 2003	18.01	18.64	17.87	18.23
1067	NASDAQ	MKSI	Fri, Jun 27, 2003	18.40	18.57	17.91	18.15
1066	NASDAQ	MKSI	Thu, Jun 26, 2003	17.82	18.46	17.62	18.34
1065	NASDAQ	MKSI	Wed, Jun 25, 2003	17.35	18.19	17.35	17.72
1064	NASDAQ	MKSI	Tue, Jun 24, 2003	17.19	17.67	17.11	17.42
1063	NASDAQ	MKSI	Mon, Jun 23, 2003	18.22	18.25	17.22	17.38
1062	NASDAQ	MKSI	Fri, Jun 20, 2003	18.43	18.43	17.86	18.31
1061	NASDAQ	MKSI	Thu, Jun 19, 2003	18.24	18.69	18.12	18.30
1060	NASDAQ	MKSI	Wed, Jun 18, 2003	17.75	18.47	17.59	18.38
1059	NASDAQ	MKSI	Tue, Jun 17, 2003	17.49	18.10	17.16	17.88
1058	NASDAQ	MKSI	Mon, Jun 16, 2003	16.83	17.32	16.70	17.26
1057	NASDAQ	MKSI	Fri, Jun 13, 2003	17.71	17.78	16.70	16.88
1056	NASDAQ	MKSI	Thu, Jun 12, 2003	17.57	17.90	17.23	17.81
1055	NASDAQ	MKSI	Wed, Jun 11, 2003	17.39	17.61	16.92	17.53
1054	NASDAQ	MKSI	Tue, Jun 10, 2003	18.00	18.01	17.00	17.53
1053	NASDAQ	MKSI	Mon, Jun 9, 2003	19.04	19.24	18.05	18.19
1052	NASDAQ	MKSI	Fri, Jun 6, 2003	20.63	21.15	19.14	19.61
1051	NASDAQ	MKSI	Thu, Jun 5, 2003	20.11	20.39	19.68	20.26
1050	NASDAQ	MKSI	Wed, Jun 4, 2003	20.41	20.60	19.77	20.33
1049	NASDAQ	MKSI	Tue, Jun 3, 2003	19.37	20.57	18.97	20.46
1048	NASDAQ	MKSI	Mon, Jun 2, 2003	19.55	20.13	19.26	19.40
1047	NASDAQ	MKSI	Fri, May 30, 2003	18.14	19.91	18.10	19.50
1046	NASDAQ	MKSI	Thu, May 29, 2003	17.50	18.31	17.45	18.12
1045	NASDAQ	MKSI	Wed, May 28, 2003	17.19	17.84	17.04	17.52
1044	NASDAQ	MKSI	Tue, May 27, 2003	16.18	17.39	16.15	17.28
1043	NASDAQ	MKSI	Fri, May 23, 2003	15.82	16.48	15.81	16.25
1042	NASDAQ	MKSI	Thu, May 22, 2003	15.84	16.25	15.80	16.19
1041	NASDAQ	MKSI	Wed, May 21, 2003	15.84	15.97	15.77	15.86
1040	NASDAQ	MKSI	Tue, May 20, 2003	15.83	16.14	15.75	15.90
1039	NASDAQ	MKSI	Mon, May 19, 2003	16.02	16.16	15.66	15.71
1038	NASDAQ	MKSI	Fri, May 16, 2003	16.87	17.14	15.31	16.47
1037	NASDAQ	MKSI	Thu, May 15, 2003	17.14	17.40	16.75	17.11
1036	NASDAQ	MKSI	Wed, May 14, 2003	17.01	17.15	16.57	17.06
1035	NASDAQ	MKSI	Tue, May 13, 2003	17.04	17.11	16.80	17.00
1034	NASDAQ	MKSI	Mon, May 12, 2003	15.86	17.49	15.86	17.13
1033	NASDAQ	MKSI	Fri, May 9, 2003	15.35	16.02	15.25	15.92
1032	NASDAQ	MKSI	Thu, May 8, 2003	14.92	15.24	14.92	15.11
1031	NASDAQ	MKSI	Wed, May 7, 2003	15.26	15.46	15.00	15.13
1030	NASDAQ	MKSI	Tue, May 6, 2003	15.15	15.40	15.06	15.30
1029	NASDAQ	MKSI	Mon, May 5, 2003	15.20	15.70	15.18	15.24
1028	NASDAQ	MKSI	Fri, May 2, 2003	13.70	15.35	13.70	15.33
1027	NASDAQ	MKSI	Thu, May 1, 2003	13.85	14.00	13.26	13.69
1026	NASDAQ	MKSI	Wed, Apr 30, 2003	14.15	14.24	13.66	13.91
1025	NASDAQ	MKSI	Tue, Apr 29, 2003	14.28	14.86	14.15	14.15
1024	NASDAQ	MKSI	Mon, Apr 28, 2003	13.65	14.43	13.65	14.25
1023	NASDAQ	MKSI	Fri, Apr 25, 2003	14.11	14.16	13.52	13.66
1022	NASDAQ	MKSI	Thu, Apr 24, 2003	13.54	14.46	13.50	14.37
1021	NASDAQ	MKSI	Wed, Apr 23, 2003	13.60	14.10	13.45	13.79
1020	NASDAQ	MKSI	Tue, Apr 22, 2003	12.90	13.67	12.75	13.47
1019	NASDAQ	MKSI	Mon, Apr 21, 2003	13.20	13.20	12.35	13.00
1018	NASDAQ	MKSI	Thu, Apr 17, 2003	12.20	13.14	12.13	12.90
1017	NASDAQ	MKSI	Wed, Apr 16, 2003	12.65	12.83	12.03	12.17
1016	NASDAQ	MKSI	Tue, Apr 15, 2003	12.19	12.29	11.94	12.25
1015	NASDAQ	MKSI	Mon, Apr 14, 2003	12.07	12.24	11.85	12.22
1014	NASDAQ	MKSI	Fri, Apr 11, 2003	12.34	12.45	11.87	12.08
1013	NASDAQ	MKSI	Thu, Apr 10, 2003	11.93	12.31	11.79	12.22
1012	NASDAQ	MKSI	Wed, Apr 9, 2003	12.78	12.78	11.92	12.00
1011	NASDAQ	MKSI	Tue, Apr 8, 2003	13.27	13.28	12.63	12.72
1010	NASDAQ	MKSI	Mon, Apr 7, 2003	13.60	13.82	13.26	13.26
1009	NASDAQ	MKSI	Fri, Apr 4, 2003	13.60	13.60	12.92	13.06
1008	NASDAQ	MKSI	Thu, Apr 3, 2003	13.50	13.64	13.13	13.40
1007	NASDAQ	MKSI	Wed, Apr 2, 2003	12.84	13.47	12.82	13.34
1006	NASDAQ	MKSI	Tue, Apr 1, 2003	12.60	12.73	12.36	12.53
1005	NASDAQ	MKSI	Mon, Mar 31, 2003	12.39	12.75	12.13	12.50
1004	NASDAQ	MKSI	Fri, Mar 28, 2003	12.89	13.02	12.53	12.59
1003	NASDAQ	MKSI	Thu, Mar 27, 2003	12.51	12.98	12.40	12.90
1002	NASDAQ	MKSI	Wed, Mar 26, 2003	12.68	12.84	12.45	12.73
1001	NASDAQ	MKSI	Tue, Mar 25, 2003	12.46	12.79	12.30	12.64
1000	NASDAQ	MKSI	Mon, Mar 24, 2003	12.64	12.64	12.33	12.57
999	NASDAQ	MKSI	Fri, Mar 21, 2003	13.23	13.40	12.85	12.91
998	NASDAQ	MKSI	Thu, Mar 20, 2003	12.98	13.25	12.77	12.98
997	NASDAQ	MKSI	Wed, Mar 19, 2003	13.33	13.47	12.98	13.04
996	NASDAQ	MKSI	Tue, Mar 18, 2003	13.73	13.75	13.12	13.39
995	NASDAQ	MKSI	Mon, Mar 17, 2003	12.05	13.67	11.98	13.59
994	NASDAQ	MKSI	Fri, Mar 14, 2003	12.75	12.75	11.92	12.08
993	NASDAQ	MKSI	Thu, Mar 13, 2003	11.95	12.70	11.76	12.56
992	NASDAQ	MKSI	Wed, Mar 12, 2003	11.72	11.94	10.68	11.70
991	NASDAQ	MKSI	Tue, Mar 11, 2003	11.64	11.83	11.55	11.67
990	NASDAQ	MKSI	Mon, Mar 10, 2003	11.46	11.75	11.46	11.65
989	NASDAQ	MKSI	Fri, Mar 7, 2003	11.60	11.82	11.06	11.69
988	NASDAQ	MKSI	Thu, Mar 6, 2003	11.83	12.00	11.60	11.75
987	NASDAQ	MKSI	Wed, Mar 5, 2003	11.96	12.07	11.63	11.89
986	NASDAQ	MKSI	Tue, Mar 4, 2003	12.85	12.88	11.89	11.96
985	NASDAQ	MKSI	Mon, Mar 3, 2003	13.35	13.49	12.77	12.81
984	NASDAQ	MKSI	Fri, Feb 28, 2003	13.42	13.46	13.09	13.25
983	NASDAQ	MKSI	Thu, Feb 27, 2003	13.14	13.42	13.04	13.36
982	NASDAQ	MKSI	Wed, Feb 26, 2003	13.45	13.59	13.00	13.11
981	NASDAQ	MKSI	Tue, Feb 25, 2003	13.63	13.63	12.81	13.48
980	NASDAQ	MKSI	Mon, Feb 24, 2003	14.00	14.12	13.64	13.71
979	NASDAQ	MKSI	Fri, Feb 21, 2003	14.01	14.09	13.62	14.00
978	NASDAQ	MKSI	Thu, Feb 20, 2003	13.74	14.17	13.64	14.08
977	NASDAQ	MKSI	Wed, Feb 19, 2003	13.59	13.73	13.25	13.73
976	NASDAQ	MKSI	Tue, Feb 18, 2003	13.84	13.94	13.37	13.39
975	NASDAQ	MKSI	Fri, Feb 14, 2003	13.03	13.63	12.98	13.49
974	NASDAQ	MKSI	Thu, Feb 13, 2003	12.98	13.09	12.59	13.05
973	NASDAQ	MKSI	Wed, Feb 12, 2003	12.89	13.20	12.61	12.87
972	NASDAQ	MKSI	Tue, Feb 11, 2003	13.60	13.71	12.92	13.11
971	NASDAQ	MKSI	Mon, Feb 10, 2003	12.98	13.60	12.76	13.50
970	NASDAQ	MKSI	Fri, Feb 7, 2003	13.06	13.26	12.86	12.97
969	NASDAQ	MKSI	Thu, Feb 6, 2003	13.04	13.30	12.82	12.96
968	NASDAQ	MKSI	Wed, Feb 5, 2003	12.61	14.21	12.50	13.05
967	NASDAQ	MKSI	Tue, Feb 4, 2003	12.90	12.93	11.86	12.00
966	NASDAQ	MKSI	Mon, Feb 3, 2003	13.37	13.48	12.96	13.01
965	NASDAQ	MKSI	Fri, Jan 31, 2003	14.39	14.42	12.90	13.54
964	NASDAQ	MKSI	Thu, Jan 30, 2003	15.64	15.73	14.63	14.80
963	NASDAQ	MKSI	Wed, Jan 29, 2003	15.08	15.69	14.44	15.52
962	NASDAQ	MKSI	Tue, Jan 28, 2003	15.26	15.49	14.55	15.16
961	NASDAQ	MKSI	Mon, Jan 27, 2003	15.79	15.82	15.16	15.22
960	NASDAQ	MKSI	Fri, Jan 24, 2003	16.48	16.48	15.63	15.88
959	NASDAQ	MKSI	Thu, Jan 23, 2003	16.47	17.22	15.80	16.63
958	NASDAQ	MKSI	Wed, Jan 22, 2003	16.16	16.60	15.91	16.12
957	NASDAQ	MKSI	Tue, Jan 21, 2003	16.70	16.83	16.10	16.18
956	NASDAQ	MKSI	Fri, Jan 17, 2003	18.49	18.49	16.43	16.82
955	NASDAQ	MKSI	Thu, Jan 16, 2003	19.22	19.40	18.35	18.73
954	NASDAQ	MKSI	Wed, Jan 15, 2003	19.20	19.30	17.77	19.03
953	NASDAQ	MKSI	Tue, Jan 14, 2003	19.65	20.44	19.50	19.63
952	NASDAQ	MKSI	Mon, Jan 13, 2003	19.62	20.00	19.22	19.62
951	NASDAQ	MKSI	Fri, Jan 10, 2003	18.66	19.56	18.34	19.44
950	NASDAQ	MKSI	Thu, Jan 9, 2003	18.39	19.19	18.34	18.91
949	NASDAQ	MKSI	Wed, Jan 8, 2003	19.00	19.16	17.62	18.28
948	NASDAQ	MKSI	Tue, Jan 7, 2003	18.90	19.30	18.63	19.00
947	NASDAQ	MKSI	Mon, Jan 6, 2003	17.16	19.30	17.05	18.89
946	NASDAQ	MKSI	Fri, Jan 3, 2003	16.82	17.17	16.71	17.03
945	NASDAQ	MKSI	Thu, Jan 2, 2003	16.50	16.92	16.12	16.87
944	NASDAQ	MKSI	Tue, Dec 31, 2002	16.58	16.81	16.25	16.43
943	NASDAQ	MKSI	Mon, Dec 30, 2002	17.00	17.22	16.38	16.67
942	NASDAQ	MKSI	Fri, Dec 27, 2002	16.83	17.11	16.72	16.95
941	NASDAQ	MKSI	Thu, Dec 26, 2002	16.72	17.25	16.60	17.01
940	NASDAQ	MKSI	Tue, Dec 24, 2002	16.31	16.66	16.24	16.53
939	NASDAQ	MKSI	Mon, Dec 23, 2002	15.30	16.39	15.25	16.28
938	NASDAQ	MKSI	Fri, Dec 20, 2002	15.10	15.46	15.10	15.30
937	NASDAQ	MKSI	Thu, Dec 19, 2002	14.76	15.39	14.69	14.93
936	NASDAQ	MKSI	Wed, Dec 18, 2002	14.69	15.02	14.30	14.81
935	NASDAQ	MKSI	Tue, Dec 17, 2002	15.10	15.79	15.00	15.01
934	NASDAQ	MKSI	Mon, Dec 16, 2002	14.11	15.20	14.06	15.05
933	NASDAQ	MKSI	Fri, Dec 13, 2002	14.62	14.65	13.96	14.10
932	NASDAQ	MKSI	Thu, Dec 12, 2002	15.12	15.25	14.64	14.74
931	NASDAQ	MKSI	Wed, Dec 11, 2002	14.55	15.49	14.08	14.80
930	NASDAQ	MKSI	Tue, Dec 10, 2002	13.99	14.73	13.99	14.62
929	NASDAQ	MKSI	Mon, Dec 9, 2002	15.72	15.77	13.87	13.87
928	NASDAQ	MKSI	Fri, Dec 6, 2002	15.68	16.14	15.26	15.84
927	NASDAQ	MKSI	Thu, Dec 5, 2002	16.10	16.45	15.55	15.87
926	NASDAQ	MKSI	Wed, Dec 4, 2002	17.69	17.69	15.37	15.94
925	NASDAQ	MKSI	Tue, Dec 3, 2002	18.89	18.89	17.81	17.88
924	NASDAQ	MKSI	Mon, Dec 2, 2002	19.45	20.15	18.71	19.01
923	NASDAQ	MKSI	Fri, Nov 29, 2002	19.54	19.65	18.95	19.04
922	NASDAQ	MKSI	Wed, Nov 27, 2002	18.56	19.53	18.41	19.51
921	NASDAQ	MKSI	Tue, Nov 26, 2002	18.72	18.77	17.78	18.34
920	NASDAQ	MKSI	Mon, Nov 25, 2002	17.04	18.81	16.98	18.75
919	NASDAQ	MKSI	Fri, Nov 22, 2002	16.30	17.13	16.00	16.88
918	NASDAQ	MKSI	Thu, Nov 21, 2002	15.28	16.89	15.28	16.37
917	NASDAQ	MKSI	Wed, Nov 20, 2002	14.10	15.28	13.95	15.07
916	NASDAQ	MKSI	Tue, Nov 19, 2002	14.03	14.58	13.59	13.99
915	NASDAQ	MKSI	Mon, Nov 18, 2002	14.24	14.64	13.66	14.03
914	NASDAQ	MKSI	Fri, Nov 15, 2002	13.99	14.34	13.61	14.14
913	NASDAQ	MKSI	Thu, Nov 14, 2002	13.09	14.24	12.81	14.06
912	NASDAQ	MKSI	Wed, Nov 13, 2002	13.26	13.57	12.80	12.82
911	NASDAQ	MKSI	Tue, Nov 12, 2002	13.11	13.84	12.85	13.35
910	NASDAQ	MKSI	Mon, Nov 11, 2002	13.87	13.92	12.70	13.00
909	NASDAQ	MKSI	Fri, Nov 8, 2002	14.65	14.67	13.76	13.95
908	NASDAQ	MKSI	Thu, Nov 7, 2002	15.06	15.10	14.35	14.61
907	NASDAQ	MKSI	Wed, Nov 6, 2002	14.56	15.36	14.40	15.25
906	NASDAQ	MKSI	Tue, Nov 5, 2002	15.15	15.25	14.12	14.43
905	NASDAQ	MKSI	Mon, Nov 4, 2002	14.30	15.90	14.29	15.39
904	NASDAQ	MKSI	Fri, Nov 1, 2002	13.25	14.00	12.77	13.97
903	NASDAQ	MKSI	Thu, Oct 31, 2002	13.31	13.57	12.65	13.13
902	NASDAQ	MKSI	Wed, Oct 30, 2002	12.77	13.55	12.77	13.36
901	NASDAQ	MKSI	Tue, Oct 29, 2002	13.01	13.35	12.28	12.91
900	NASDAQ	MKSI	Mon, Oct 28, 2002	11.97	13.34	11.97	13.01
899	NASDAQ	MKSI	Fri, Oct 25, 2002	11.12	11.95	11.05	11.83
898	NASDAQ	MKSI	Thu, Oct 24, 2002	11.59	12.05	11.10	11.26
897	NASDAQ	MKSI	Wed, Oct 23, 2002	10.07	11.45	9.60	11.40
896	NASDAQ	MKSI	Tue, Oct 22, 2002	10.43	10.60	9.60	10.16
895	NASDAQ	MKSI	Mon, Oct 21, 2002	9.87	10.89	9.51	10.59
894	NASDAQ	MKSI	Fri, Oct 18, 2002	9.00	10.04	8.41	9.94
893	NASDAQ	MKSI	Thu, Oct 17, 2002	9.75	9.94	8.82	8.98
892	NASDAQ	MKSI	Wed, Oct 16, 2002	11.12	11.33	9.38	9.42
891	NASDAQ	MKSI	Tue, Oct 15, 2002	11.02	11.78	11.01	11.57
890	NASDAQ	MKSI	Mon, Oct 14, 2002	10.45	10.83	10.11	10.70
889	NASDAQ	MKSI	Fri, Oct 11, 2002	9.98	10.57	9.98	10.33
888	NASDAQ	MKSI	Thu, Oct 10, 2002	8.82	10.15	8.82	9.80
887	NASDAQ	MKSI	Wed, Oct 9, 2002	8.89	9.40	8.81	8.81
886	NASDAQ	MKSI	Tue, Oct 8, 2002	9.62	9.96	8.91	9.08
885	NASDAQ	MKSI	Mon, Oct 7, 2002	10.24	10.46	9.80	9.85
884	NASDAQ	MKSI	Fri, Oct 4, 2002	10.90	11.00	10.15	10.25
883	NASDAQ	MKSI	Thu, Oct 3, 2002	11.18	11.39	10.48	10.86
882	NASDAQ	MKSI	Wed, Oct 2, 2002	11.09	11.83	11.03	11.43
881	NASDAQ	MKSI	Tue, Oct 1, 2002	11.06	11.36	10.34	11.15
880	NASDAQ	MKSI	Mon, Sep 30, 2002	11.16	11.30	10.78	10.92
879	NASDAQ	MKSI	Fri, Sep 27, 2002	11.03	11.80	10.90	11.25
878	NASDAQ	MKSI	Thu, Sep 26, 2002	11.17	11.45	10.83	10.96
877	NASDAQ	MKSI	Wed, Sep 25, 2002	10.27	11.05	10.11	10.88
876	NASDAQ	MKSI	Tue, Sep 24, 2002	10.09	10.50	9.75	10.14
875	NASDAQ	MKSI	Mon, Sep 23, 2002	10.65	10.66	9.89	10.12
874	NASDAQ	MKSI	Fri, Sep 20, 2002	11.25	11.26	10.63	10.78
873	NASDAQ	MKSI	Thu, Sep 19, 2002	11.04	11.28	10.75	11.07
872	NASDAQ	MKSI	Wed, Sep 18, 2002	11.26	11.48	10.80	11.10
871	NASDAQ	MKSI	Tue, Sep 17, 2002	12.05	12.45	11.10	11.26
870	NASDAQ	MKSI	Mon, Sep 16, 2002	12.10	12.31	11.65	11.80
869	NASDAQ	MKSI	Fri, Sep 13, 2002	12.26	12.50	12.02	12.16
868	NASDAQ	MKSI	Thu, Sep 12, 2002	12.98	12.98	12.26	12.35
867	NASDAQ	MKSI	Wed, Sep 11, 2002	12.91	13.55	12.86	13.00
866	NASDAQ	MKSI	Tue, Sep 10, 2002	12.66	13.24	12.60	12.95
865	NASDAQ	MKSI	Mon, Sep 9, 2002	12.72	12.72	12.24	12.60
864	NASDAQ	MKSI	Fri, Sep 6, 2002	12.70	12.80	12.48	12.62
863	NASDAQ	MKSI	Thu, Sep 5, 2002	12.64	12.64	12.11	12.20
862	NASDAQ	MKSI	Wed, Sep 4, 2002	12.60	13.00	12.25	12.92
861	NASDAQ	MKSI	Tue, Sep 3, 2002	13.61	13.74	12.54	12.67
860	NASDAQ	MKSI	Fri, Aug 30, 2002	13.80	14.00	13.54	13.54
859	NASDAQ	MKSI	Thu, Aug 29, 2002	13.63	13.94	13.10	13.91
858	NASDAQ	MKSI	Wed, Aug 28, 2002	14.06	14.06	13.53	13.71
857	NASDAQ	MKSI	Tue, Aug 27, 2002	14.15	14.63	14.07	14.09
856	NASDAQ	MKSI	Mon, Aug 26, 2002	15.10	15.32	14.21	14.74
855	NASDAQ	MKSI	Fri, Aug 23, 2002	15.74	15.74	14.90	15.00
854	NASDAQ	MKSI	Thu, Aug 22, 2002	15.21	15.85	14.50	15.59
853	NASDAQ	MKSI	Wed, Aug 21, 2002	14.18	14.98	14.18	14.89
852	NASDAQ	MKSI	Tue, Aug 20, 2002	14.00	14.35	13.90	14.23
851	NASDAQ	MKSI	Mon, Aug 19, 2002	14.14	14.60	13.91	14.38
850	NASDAQ	MKSI	Fri, Aug 16, 2002	13.70	14.70	13.35	14.13
849	NASDAQ	MKSI	Thu, Aug 15, 2002	14.23	14.45	13.70	13.74
848	NASDAQ	MKSI	Wed, Aug 14, 2002	13.78	14.16	13.10	14.05
847	NASDAQ	MKSI	Tue, Aug 13, 2002	14.72	15.09	13.62	13.83
846	NASDAQ	MKSI	Mon, Aug 12, 2002	15.70	15.70	14.66	14.84
845	NASDAQ	MKSI	Fri, Aug 9, 2002	16.20	16.48	15.73	15.85
844	NASDAQ	MKSI	Thu, Aug 8, 2002	15.44	16.61	15.43	16.56
843	NASDAQ	MKSI	Wed, Aug 7, 2002	15.85	16.42	15.09	15.91
842	NASDAQ	MKSI	Tue, Aug 6, 2002	15.22	16.20	15.22	15.35
841	NASDAQ	MKSI	Mon, Aug 5, 2002	16.15	16.16	14.90	15.18
840	NASDAQ	MKSI	Fri, Aug 2, 2002	16.03	16.50	15.88	16.32
839	NASDAQ	MKSI	Thu, Aug 1, 2002	16.87	16.99	16.05	16.05
838	NASDAQ	MKSI	Wed, Jul 31, 2002	17.61	17.61	16.90	17.00
837	NASDAQ	MKSI	Tue, Jul 30, 2002	17.00	17.90	16.50	17.50
836	NASDAQ	MKSI	Mon, Jul 29, 2002	16.35	16.90	15.95	16.62
835	NASDAQ	MKSI	Fri, Jul 26, 2002	15.80	16.32	15.24	15.93
834	NASDAQ	MKSI	Thu, Jul 25, 2002	16.17	16.22	14.80	15.36
833	NASDAQ	MKSI	Wed, Jul 24, 2002	16.47	16.72	15.25	16.47
832	NASDAQ	MKSI	Tue, Jul 23, 2002	17.55	17.62	16.77	16.95
831	NASDAQ	MKSI	Mon, Jul 22, 2002	18.09	18.52	16.80	17.15
830	NASDAQ	MKSI	Fri, Jul 19, 2002	17.01	18.00	16.95	17.72
829	NASDAQ	MKSI	Thu, Jul 18, 2002	18.09	18.40	17.34	17.65
828	NASDAQ	MKSI	Wed, Jul 17, 2002	19.60	19.85	17.55	18.15
827	NASDAQ	MKSI	Tue, Jul 16, 2002	18.80	20.20	18.20	18.42
826	NASDAQ	MKSI	Mon, Jul 15, 2002	18.85	18.91	17.57	18.71
825	NASDAQ	MKSI	Fri, Jul 12, 2002	18.18	19.15	17.79	18.65
824	NASDAQ	MKSI	Thu, Jul 11, 2002	17.22	18.15	16.75	18.07
823	NASDAQ	MKSI	Wed, Jul 10, 2002	18.27	18.50	17.15	17.30
822	NASDAQ	MKSI	Tue, Jul 9, 2002	18.63	19.05	17.87	17.95
821	NASDAQ	MKSI	Mon, Jul 8, 2002	20.09	20.53	19.29	19.29
820	NASDAQ	MKSI	Fri, Jul 5, 2002	19.25	20.19	19.15	20.06
819	NASDAQ	MKSI	Wed, Jul 3, 2002	18.43	19.16	18.11	18.80
818	NASDAQ	MKSI	Tue, Jul 2, 2002	18.26	19.02	18.22	18.60
817	NASDAQ	MKSI	Mon, Jul 1, 2002	20.08	20.75	18.88	19.11
816	NASDAQ	MKSI	Fri, Jun 28, 2002	20.36	21.59	19.86	20.07
815	NASDAQ	MKSI	Thu, Jun 27, 2002	18.61	20.74	18.60	20.34
814	NASDAQ	MKSI	Wed, Jun 26, 2002	16.57	18.75	16.57	18.70
813	NASDAQ	MKSI	Tue, Jun 25, 2002	18.74	19.00	16.66	17.31
812	NASDAQ	MKSI	Mon, Jun 24, 2002	17.86	19.27	17.85	18.44
811	NASDAQ	MKSI	Fri, Jun 21, 2002	19.47	19.50	18.13	18.57
810	NASDAQ	MKSI	Thu, Jun 20, 2002	18.45	19.55	17.60	19.00
809	NASDAQ	MKSI	Wed, Jun 19, 2002	22.30	22.30	18.40	19.00
808	NASDAQ	MKSI	Tue, Jun 18, 2002	22.90	23.91	22.32	22.49
807	NASDAQ	MKSI	Mon, Jun 17, 2002	23.25	23.72	22.45	23.15
806	NASDAQ	MKSI	Fri, Jun 14, 2002	22.76	23.37	21.01	23.01
805	NASDAQ	MKSI	Thu, Jun 13, 2002	23.25	24.00	22.80	23.50
804	NASDAQ	MKSI	Wed, Jun 12, 2002	23.40	23.80	21.92	23.49
803	NASDAQ	MKSI	Tue, Jun 11, 2002	25.75	25.81	23.20	23.32
802	NASDAQ	MKSI	Mon, Jun 10, 2002	25.52	25.92	24.41	25.08
801	NASDAQ	MKSI	Fri, Jun 7, 2002	24.79	25.85	23.57	25.47
800	NASDAQ	MKSI	Thu, Jun 6, 2002	25.98	26.19	25.00	25.32
799	NASDAQ	MKSI	Wed, Jun 5, 2002	27.26	27.58	25.85	26.07
798	NASDAQ	MKSI	Tue, Jun 4, 2002	27.76	28.06	26.50	27.24
797	NASDAQ	MKSI	Mon, Jun 3, 2002	31.23	31.23	27.78	27.87
796	NASDAQ	MKSI	Fri, May 31, 2002	30.86	32.38	30.45	30.70
795	NASDAQ	MKSI	Thu, May 30, 2002	31.64	31.64	29.85	31.04
794	NASDAQ	MKSI	Wed, May 29, 2002	32.20	32.25	31.26	31.65
793	NASDAQ	MKSI	Tue, May 28, 2002	32.20	33.05	32.00	32.92
792	NASDAQ	MKSI	Fri, May 24, 2002	33.80	33.80	31.79	32.07
791	NASDAQ	MKSI	Thu, May 23, 2002	35.90	35.90	33.63	34.45
790	NASDAQ	MKSI	Wed, May 22, 2002	35.87	36.66	34.56	35.95
789	NASDAQ	MKSI	Tue, May 21, 2002	37.40	37.69	35.48	36.18
788	NASDAQ	MKSI	Mon, May 20, 2002	38.00	38.25	36.61	37.00
787	NASDAQ	MKSI	Fri, May 17, 2002	38.80	39.46	37.37	38.09
786	NASDAQ	MKSI	Thu, May 16, 2002	38.00	38.40	36.81	38.30
785	NASDAQ	MKSI	Wed, May 15, 2002	37.83	39.20	36.80	38.18
784	NASDAQ	MKSI	Tue, May 14, 2002	36.80	38.88	36.80	38.25
783	NASDAQ	MKSI	Mon, May 13, 2002	34.72	36.40	33.78	36.26
782	NASDAQ	MKSI	Fri, May 10, 2002	35.75	35.84	33.59	34.03
781	NASDAQ	MKSI	Thu, May 9, 2002	35.30	36.75	35.25	35.88
780	NASDAQ	MKSI	Wed, May 8, 2002	32.66	36.37	32.60	36.07
779	NASDAQ	MKSI	Tue, May 7, 2002	32.15	32.65	31.30	32.07
778	NASDAQ	MKSI	Mon, May 6, 2002	31.16	32.80	31.16	31.96
777	NASDAQ	MKSI	Fri, May 3, 2002	31.96	32.60	30.60	31.50
776	NASDAQ	MKSI	Thu, May 2, 2002	33.25	33.50	31.80	32.00
775	NASDAQ	MKSI	Wed, May 1, 2002	33.90	34.16	31.76	33.30
774	NASDAQ	MKSI	Tue, Apr 30, 2002	31.19	34.20	31.19	33.89
773	NASDAQ	MKSI	Mon, Apr 29, 2002	31.28	31.97	30.46	31.00
772	NASDAQ	MKSI	Fri, Apr 26, 2002	33.49	34.69	30.95	31.05
771	NASDAQ	MKSI	Thu, Apr 25, 2002	34.01	34.30	32.65	33.16
770	NASDAQ	MKSI	Wed, Apr 24, 2002	34.95	35.85	34.00	34.08
769	NASDAQ	MKSI	Tue, Apr 23, 2002	35.90	36.42	34.51	35.10
768	NASDAQ	MKSI	Mon, Apr 22, 2002	35.84	36.33	34.22	36.25
767	NASDAQ	MKSI	Fri, Apr 19, 2002	35.25	36.24	34.66	35.70
766	NASDAQ	MKSI	Thu, Apr 18, 2002	37.32	37.32	34.92	35.01
765	NASDAQ	MKSI	Wed, Apr 17, 2002	37.81	38.94	37.52	37.75
764	NASDAQ	MKSI	Tue, Apr 16, 2002	35.33	38.47	35.33	38.05
763	NASDAQ	MKSI	Mon, Apr 15, 2002	33.92	34.80	33.15	34.75
762	NASDAQ	MKSI	Fri, Apr 12, 2002	32.75	33.91	32.25	33.91
761	NASDAQ	MKSI	Thu, Apr 11, 2002	33.85	33.85	32.33	32.43
760	NASDAQ	MKSI	Wed, Apr 10, 2002	33.11	33.91	32.25	33.90
759	NASDAQ	MKSI	Tue, Apr 9, 2002	32.05	33.20	31.68	32.80
758	NASDAQ	MKSI	Mon, Apr 8, 2002	30.75	32.05	29.54	32.00
757	NASDAQ	MKSI	Fri, Apr 5, 2002	32.00	32.44	30.82	31.06
756	NASDAQ	MKSI	Thu, Apr 4, 2002	32.25	32.49	31.31	32.10
755	NASDAQ	MKSI	Wed, Apr 3, 2002	33.14	33.24	32.25	32.27
754	NASDAQ	MKSI	Tue, Apr 2, 2002	33.33	33.33	32.40	32.81
753	NASDAQ	MKSI	Mon, Apr 1, 2002	33.76	34.00	32.25	33.45
752	NASDAQ	MKSI	Thu, Mar 28, 2002	32.12	34.29	32.02	34.24
751	NASDAQ	MKSI	Wed, Mar 27, 2002	32.34	32.47	31.90	32.10
750	NASDAQ	MKSI	Tue, Mar 26, 2002	32.00	32.50	31.50	32.50
749	NASDAQ	MKSI	Mon, Mar 25, 2002	31.29	32.49	31.29	32.00
748	NASDAQ	MKSI	Fri, Mar 22, 2002	32.36	32.90	31.31	31.45
747	NASDAQ	MKSI	Thu, Mar 21, 2002	31.96	32.80	31.54	32.41
746	NASDAQ	MKSI	Wed, Mar 20, 2002	32.01	32.26	31.52	31.77
745	NASDAQ	MKSI	Tue, Mar 19, 2002	32.94	33.14	31.67	32.50
744	NASDAQ	MKSI	Mon, Mar 18, 2002	32.12	33.20	31.76	33.00
743	NASDAQ	MKSI	Fri, Mar 15, 2002	30.44	32.15	30.20	31.73
742	NASDAQ	MKSI	Thu, Mar 14, 2002	29.63	31.18	29.50	30.84
741	NASDAQ	MKSI	Wed, Mar 13, 2002	29.50	30.18	28.94	30.14
740	NASDAQ	MKSI	Tue, Mar 12, 2002	29.70	30.14	29.15	29.79
739	NASDAQ	MKSI	Mon, Mar 11, 2002	31.93	32.00	30.40	30.40
738	NASDAQ	MKSI	Fri, Mar 8, 2002	32.09	33.35	31.78	32.19
737	NASDAQ	MKSI	Thu, Mar 7, 2002	32.25	33.20	31.34	32.03
736	NASDAQ	MKSI	Wed, Mar 6, 2002	32.06	32.89	31.30	32.60
735	NASDAQ	MKSI	Tue, Mar 5, 2002	30.20	33.15	30.08	33.02
734	NASDAQ	MKSI	Mon, Mar 4, 2002	29.01	30.44	29.00	30.32
733	NASDAQ	MKSI	Fri, Mar 1, 2002	27.10	29.50	26.80	29.00
732	NASDAQ	MKSI	Thu, Feb 28, 2002	26.05	27.25	25.90	26.86
731	NASDAQ	MKSI	Wed, Feb 27, 2002	25.75	26.06	25.72	26.04
730	NASDAQ	MKSI	Tue, Feb 26, 2002	25.30	25.85	24.90	25.60
729	NASDAQ	MKSI	Mon, Feb 25, 2002	24.36	25.85	24.36	25.31
728	NASDAQ	MKSI	Fri, Feb 22, 2002	24.33	24.71	23.50	24.40
727	NASDAQ	MKSI	Thu, Feb 21, 2002	24.88	25.36	24.22	24.40
726	NASDAQ	MKSI	Wed, Feb 20, 2002	26.08	26.08	24.40	24.75
725	NASDAQ	MKSI	Tue, Feb 19, 2002	26.67	26.67	25.76	25.76
724	NASDAQ	MKSI	Fri, Feb 15, 2002	27.26	27.26	26.68	26.74
723	NASDAQ	MKSI	Thu, Feb 14, 2002	26.79	27.38	26.75	27.17
722	NASDAQ	MKSI	Wed, Feb 13, 2002	25.55	26.90	25.55	26.72
721	NASDAQ	MKSI	Tue, Feb 12, 2002	25.60	25.87	25.10	25.48
720	NASDAQ	MKSI	Mon, Feb 11, 2002	23.91	25.90	23.91	25.90
719	NASDAQ	MKSI	Fri, Feb 8, 2002	23.58	23.90	23.45	23.75
718	NASDAQ	MKSI	Thu, Feb 7, 2002	24.25	24.33	23.40	23.50
717	NASDAQ	MKSI	Wed, Feb 6, 2002	23.30	24.58	23.26	24.02
716	NASDAQ	MKSI	Tue, Feb 5, 2002	23.61	23.61	22.05	22.75
715	NASDAQ	MKSI	Mon, Feb 4, 2002	24.13	24.50	23.60	23.60
714	NASDAQ	MKSI	Fri, Feb 1, 2002	24.31	24.60	23.85	23.85
713	NASDAQ	MKSI	Thu, Jan 31, 2002	23.51	24.50	23.49	24.03
712	NASDAQ	MKSI	Wed, Jan 30, 2002	23.15	23.64	22.73	23.50
711	NASDAQ	MKSI	Tue, Jan 29, 2002	23.50	23.65	22.75	23.15
710	NASDAQ	MKSI	Mon, Jan 28, 2002	24.05	24.24	23.25	23.54
709	NASDAQ	MKSI	Fri, Jan 25, 2002	23.67	24.40	23.61	24.05
708	NASDAQ	MKSI	Thu, Jan 24, 2002	24.30	24.85	23.65	23.96
707	NASDAQ	MKSI	Wed, Jan 23, 2002	23.56	24.32	23.56	24.24
706	NASDAQ	MKSI	Tue, Jan 22, 2002	25.35	25.37	23.50	23.50
705	NASDAQ	MKSI	Fri, Jan 18, 2002	24.97	25.30	24.27	24.61
704	NASDAQ	MKSI	Thu, Jan 17, 2002	24.93	25.22	23.80	24.98
703	NASDAQ	MKSI	Wed, Jan 16, 2002	25.93	25.93	24.75	24.85
702	NASDAQ	MKSI	Tue, Jan 15, 2002	26.75	27.25	25.88	26.68
701	NASDAQ	MKSI	Mon, Jan 14, 2002	28.10	28.10	27.00	27.25
700	NASDAQ	MKSI	Fri, Jan 11, 2002	27.99	28.47	27.75	28.00
699	NASDAQ	MKSI	Thu, Jan 10, 2002	28.10	28.10	27.43	28.00
698	NASDAQ	MKSI	Wed, Jan 9, 2002	28.24	28.95	27.61	27.71
697	NASDAQ	MKSI	Tue, Jan 8, 2002	27.20	28.25	26.45	28.20
696	NASDAQ	MKSI	Mon, Jan 7, 2002	27.62	28.00	27.06	27.25
695	NASDAQ	MKSI	Fri, Jan 4, 2002	28.00	28.15	27.00	27.46
694	NASDAQ	MKSI	Thu, Jan 3, 2002	27.30	28.25	27.18	28.00
693	NASDAQ	MKSI	Wed, Jan 2, 2002	27.05	27.48	26.13	27.31
692	NASDAQ	MKSI	Mon, Dec 31, 2001	26.92	27.32	26.92	27.03
691	NASDAQ	MKSI	Fri, Dec 28, 2001	26.45	27.67	26.05	26.93
690	NASDAQ	MKSI	Thu, Dec 27, 2001	26.50	26.78	25.76	26.12
689	NASDAQ	MKSI	Wed, Dec 26, 2001	25.25	26.69	25.25	26.45
688	NASDAQ	MKSI	Mon, Dec 24, 2001	24.50	25.59	24.38	25.59
687	NASDAQ	MKSI	Fri, Dec 21, 2001	25.00	25.15	24.05	24.86
686	NASDAQ	MKSI	Thu, Dec 20, 2001	25.20	25.20	24.15	24.55
685	NASDAQ	MKSI	Wed, Dec 19, 2001	25.20	25.56	24.86	25.36
684	NASDAQ	MKSI	Tue, Dec 18, 2001	25.35	26.35	25.18	25.40
683	NASDAQ	MKSI	Mon, Dec 17, 2001	24.50	25.88	24.50	25.88
682	NASDAQ	MKSI	Fri, Dec 14, 2001	24.80	25.25	24.26	24.75
681	NASDAQ	MKSI	Thu, Dec 13, 2001	24.75	24.86	24.15	24.81
680	NASDAQ	MKSI	Wed, Dec 12, 2001	24.84	25.95	24.77	25.51
679	NASDAQ	MKSI	Tue, Dec 11, 2001	24.45	25.73	24.45	25.03
678	NASDAQ	MKSI	Mon, Dec 10, 2001	23.99	25.28	23.97	24.46
677	NASDAQ	MKSI	Fri, Dec 7, 2001	25.45	25.62	24.70	24.91
676	NASDAQ	MKSI	Thu, Dec 6, 2001	25.70	25.93	25.42	25.53
675	NASDAQ	MKSI	Wed, Dec 5, 2001	24.05	26.29	24.00	25.68
674	NASDAQ	MKSI	Tue, Dec 4, 2001	21.78	24.00	21.52	23.75
673	NASDAQ	MKSI	Mon, Dec 3, 2001	22.31	22.31	21.30	21.56
672	NASDAQ	MKSI	Fri, Nov 30, 2001	22.85	22.98	22.35	22.42
671	NASDAQ	MKSI	Thu, Nov 29, 2001	23.24	23.38	22.33	23.00
670	NASDAQ	MKSI	Wed, Nov 28, 2001	24.15	24.16	22.85	22.85
669	NASDAQ	MKSI	Tue, Nov 27, 2001	23.75	24.72	23.42	24.16
668	NASDAQ	MKSI	Mon, Nov 26, 2001	22.83	23.90	22.63	23.90
667	NASDAQ	MKSI	Fri, Nov 23, 2001	21.94	23.15	21.40	22.87
666	NASDAQ	MKSI	Wed, Nov 21, 2001	23.15	23.15	21.45	21.53
665	NASDAQ	MKSI	Tue, Nov 20, 2001	24.30	24.30	22.52	22.90
664	NASDAQ	MKSI	Mon, Nov 19, 2001	24.65	24.90	24.06	24.75
663	NASDAQ	MKSI	Fri, Nov 16, 2001	24.75	25.11	24.36	24.80
662	NASDAQ	MKSI	Thu, Nov 15, 2001	24.47	24.99	24.20	24.70
661	NASDAQ	MKSI	Wed, Nov 14, 2001	24.75	25.50	24.10	24.50
660	NASDAQ	MKSI	Tue, Nov 13, 2001	24.85	25.40	24.58	25.05
659	NASDAQ	MKSI	Mon, Nov 12, 2001	24.36	24.90	24.33	24.72
658	NASDAQ	MKSI	Fri, Nov 9, 2001	25.20	25.20	24.35	24.70
657	NASDAQ	MKSI	Thu, Nov 8, 2001	24.45	25.40	24.30	25.10
656	NASDAQ	MKSI	Wed, Nov 7, 2001	23.50	24.45	23.40	24.38
655	NASDAQ	MKSI	Tue, Nov 6, 2001	23.00	24.00	22.65	23.69
654	NASDAQ	MKSI	Mon, Nov 5, 2001	22.50	23.77	22.50	23.03
653	NASDAQ	MKSI	Fri, Nov 2, 2001	22.89	23.07	22.42	22.65
652	NASDAQ	MKSI	Thu, Nov 1, 2001	21.58	23.28	21.21	23.07
651	NASDAQ	MKSI	Wed, Oct 31, 2001	21.00	21.64	20.37	21.58
650	NASDAQ	MKSI	Tue, Oct 30, 2001	20.53	21.04	19.88	20.91
649	NASDAQ	MKSI	Mon, Oct 29, 2001	21.50	21.72	20.26	20.65
648	NASDAQ	MKSI	Fri, Oct 26, 2001	21.10	22.23	20.93	21.60
647	NASDAQ	MKSI	Thu, Oct 25, 2001	19.88	21.10	19.46	21.05
646	NASDAQ	MKSI	Wed, Oct 24, 2001	19.31	20.32	19.31	19.79
645	NASDAQ	MKSI	Tue, Oct 23, 2001	19.27	19.81	19.26	19.50
644	NASDAQ	MKSI	Mon, Oct 22, 2001	19.11	19.68	19.11	19.50
643	NASDAQ	MKSI	Fri, Oct 19, 2001	18.97	19.50	18.90	19.46
642	NASDAQ	MKSI	Thu, Oct 18, 2001	19.10	19.50	18.77	19.05
641	NASDAQ	MKSI	Wed, Oct 17, 2001	19.80	20.50	19.00	19.10
640	NASDAQ	MKSI	Tue, Oct 16, 2001	19.88	20.27	19.32	19.70
639	NASDAQ	MKSI	Mon, Oct 15, 2001	20.96	20.96	19.70	20.02
638	NASDAQ	MKSI	Fri, Oct 12, 2001	21.30	21.50	19.91	21.50
637	NASDAQ	MKSI	Thu, Oct 11, 2001	18.90	21.57	18.81	21.51
636	NASDAQ	MKSI	Wed, Oct 10, 2001	17.45	18.90	17.20	18.90
635	NASDAQ	MKSI	Tue, Oct 9, 2001	18.00	18.45	17.05	17.05
634	NASDAQ	MKSI	Mon, Oct 8, 2001	17.26	18.75	17.07	18.71
633	NASDAQ	MKSI	Fri, Oct 5, 2001	17.65	18.05	17.16	17.69
632	NASDAQ	MKSI	Thu, Oct 4, 2001	17.99	19.40	17.65	18.32
631	NASDAQ	MKSI	Wed, Oct 3, 2001	16.40	18.02	16.16	17.38
630	NASDAQ	MKSI	Tue, Oct 2, 2001	16.80	17.00	16.25	16.69
629	NASDAQ	MKSI	Mon, Oct 1, 2001	17.75	17.75	16.54	16.69
628	NASDAQ	MKSI	Fri, Sep 28, 2001	16.75	17.80	16.61	17.75
627	NASDAQ	MKSI	Thu, Sep 27, 2001	17.15	17.39	16.30	16.78
626	NASDAQ	MKSI	Wed, Sep 26, 2001	18.01	18.12	17.15	17.19
625	NASDAQ	MKSI	Tue, Sep 25, 2001	18.00	18.73	17.41	18.00
624	NASDAQ	MKSI	Mon, Sep 24, 2001	16.00	18.35	16.00	17.78
623	NASDAQ	MKSI	Fri, Sep 21, 2001	16.70	17.75	15.17	15.85
622	NASDAQ	MKSI	Thu, Sep 20, 2001	17.11	18.65	17.11	17.25
621	NASDAQ	MKSI	Wed, Sep 19, 2001	18.45	18.74	16.70	17.56
620	NASDAQ	MKSI	Tue, Sep 18, 2001	19.11	19.59	18.21	18.22
619	NASDAQ	MKSI	Mon, Sep 17, 2001	20.00	21.40	18.82	19.25
618	NASDAQ	MKSI	Mon, Sep 10, 2001	21.20	21.76	20.75	21.35
617	NASDAQ	MKSI	Fri, Sep 7, 2001	21.26	21.80	21.00	21.32
616	NASDAQ	MKSI	Thu, Sep 6, 2001	21.43	21.96	20.50	21.87
615	NASDAQ	MKSI	Wed, Sep 5, 2001	21.69	22.04	20.60	21.44
614	NASDAQ	MKSI	Tue, Sep 4, 2001	22.25	23.10	21.80	21.95
613	NASDAQ	MKSI	Fri, Aug 31, 2001	21.50	22.72	21.02	22.35
612	NASDAQ	MKSI	Thu, Aug 30, 2001	23.00	23.15	21.50	21.63
611	NASDAQ	MKSI	Wed, Aug 29, 2001	24.54	24.75	22.80	23.15
610	NASDAQ	MKSI	Tue, Aug 28, 2001	25.76	25.99	24.53	24.70
609	NASDAQ	MKSI	Mon, Aug 27, 2001	25.50	26.41	25.25	25.76
608	NASDAQ	MKSI	Fri, Aug 24, 2001	24.30	26.10	22.80	25.85
607	NASDAQ	MKSI	Thu, Aug 23, 2001	24.90	25.85	24.83	24.85
606	NASDAQ	MKSI	Wed, Aug 22, 2001	25.50	25.85	24.35	25.22
605	NASDAQ	MKSI	Tue, Aug 21, 2001	26.14	26.30	25.16	25.16
604	NASDAQ	MKSI	Mon, Aug 20, 2001	25.25	26.23	24.45	26.23
603	NASDAQ	MKSI	Fri, Aug 17, 2001	26.30	26.54	25.22	25.25
602	NASDAQ	MKSI	Thu, Aug 16, 2001	26.93	26.93	26.38	26.65
601	NASDAQ	MKSI	Wed, Aug 15, 2001	26.90	27.55	26.77	26.77
600	NASDAQ	MKSI	Tue, Aug 14, 2001	26.80	27.35	26.35	26.51
599	NASDAQ	MKSI	Mon, Aug 13, 2001	26.75	27.05	26.50	26.77
598	NASDAQ	MKSI	Fri, Aug 10, 2001	27.10	27.34	26.50	26.50
597	NASDAQ	MKSI	Thu, Aug 9, 2001	28.10	28.11	26.36	27.27
596	NASDAQ	MKSI	Wed, Aug 8, 2001	28.20	28.41	27.36	27.51
595	NASDAQ	MKSI	Tue, Aug 7, 2001	28.00	28.96	27.76	28.20
594	NASDAQ	MKSI	Mon, Aug 6, 2001	28.11	28.88	27.95	28.35
593	NASDAQ	MKSI	Fri, Aug 3, 2001	28.41	29.12	27.45	28.24
592	NASDAQ	MKSI	Thu, Aug 2, 2001	28.93	29.94	28.50	28.50
591	NASDAQ	MKSI	Wed, Aug 1, 2001	27.00	29.16	27.00	28.88
590	NASDAQ	MKSI	Tue, Jul 31, 2001	25.52	27.12	25.51	25.59
589	NASDAQ	MKSI	Mon, Jul 30, 2001	24.50	26.51	24.50	26.50
588	NASDAQ	MKSI	Fri, Jul 27, 2001	24.30	25.00	24.25	24.40
587	NASDAQ	MKSI	Thu, Jul 26, 2001	23.44	25.00	23.14	24.43
586	NASDAQ	MKSI	Wed, Jul 25, 2001	23.00	24.00	22.90	23.93
585	NASDAQ	MKSI	Tue, Jul 24, 2001	23.20	23.50	22.51	23.00
584	NASDAQ	MKSI	Mon, Jul 23, 2001	24.28	24.30	23.12	23.20
583	NASDAQ	MKSI	Fri, Jul 20, 2001	24.40	25.05	24.00	24.20
582	NASDAQ	MKSI	Thu, Jul 19, 2001	26.30	26.73	24.50	24.53
581	NASDAQ	MKSI	Wed, Jul 18, 2001	26.30	26.93	25.86	26.22
580	NASDAQ	MKSI	Tue, Jul 17, 2001	24.92	27.10	23.50	27.09
579	NASDAQ	MKSI	Mon, Jul 16, 2001	26.25	26.80	24.51	24.93
578	NASDAQ	MKSI	Fri, Jul 13, 2001	27.42	27.60	26.00	26.03
577	NASDAQ	MKSI	Thu, Jul 12, 2001	25.80	27.65	25.55	27.42
576	NASDAQ	MKSI	Wed, Jul 11, 2001	25.50	25.75	24.97	25.75
575	NASDAQ	MKSI	Tue, Jul 10, 2001	26.48	26.89	25.40	25.55
574	NASDAQ	MKSI	Mon, Jul 9, 2001	24.75	26.60	24.75	26.50
573	NASDAQ	MKSI	Fri, Jul 6, 2001	26.52	26.52	24.79	24.95
572	NASDAQ	MKSI	Thu, Jul 5, 2001	27.19	27.38	26.43	26.69
571	NASDAQ	MKSI	Tue, Jul 3, 2001	27.33	28.00	26.97	27.40
570	NASDAQ	MKSI	Mon, Jul 2, 2001	28.30	29.06	27.39	27.51
569	NASDAQ	MKSI	Fri, Jun 29, 2001	25.60	31.92	25.45	28.80
568	NASDAQ	MKSI	Thu, Jun 28, 2001	24.47	25.96	24.47	25.70
567	NASDAQ	MKSI	Wed, Jun 27, 2001	24.30	24.50	23.31	24.46
566	NASDAQ	MKSI	Tue, Jun 26, 2001	24.64	24.90	24.25	24.45
565	NASDAQ	MKSI	Mon, Jun 25, 2001	24.99	25.50	24.50	24.75
564	NASDAQ	MKSI	Fri, Jun 22, 2001	24.72	25.81	24.16	24.93
563	NASDAQ	MKSI	Thu, Jun 21, 2001	23.65	24.75	23.51	24.50
562	NASDAQ	MKSI	Wed, Jun 20, 2001	23.60	24.10	22.86	24.05
561	NASDAQ	MKSI	Tue, Jun 19, 2001	25.31	26.40	24.50	24.78
560	NASDAQ	MKSI	Mon, Jun 18, 2001	27.00	27.09	25.12	25.34
559	NASDAQ	MKSI	Fri, Jun 15, 2001	28.00	28.00	26.30	26.80
558	NASDAQ	MKSI	Thu, Jun 14, 2001	29.15	29.15	27.91	28.25
557	NASDAQ	MKSI	Wed, Jun 13, 2001	29.00	29.95	28.70	29.40
556	NASDAQ	MKSI	Tue, Jun 12, 2001	28.60	29.75	27.77	29.00
555	NASDAQ	MKSI	Mon, Jun 11, 2001	29.95	29.95	28.95	29.76
554	NASDAQ	MKSI	Fri, Jun 8, 2001	30.90	30.96	29.38	30.00
553	NASDAQ	MKSI	Thu, Jun 7, 2001	29.73	31.67	29.61	31.35
552	NASDAQ	MKSI	Wed, Jun 6, 2001	29.25	30.01	28.80	29.99
551	NASDAQ	MKSI	Tue, Jun 5, 2001	28.50	29.57	28.30	29.41
550	NASDAQ	MKSI	Mon, Jun 4, 2001	28.50	29.65	28.14	28.84
549	NASDAQ	MKSI	Fri, Jun 1, 2001	26.61	28.55	26.60	28.54
548	NASDAQ	MKSI	Thu, May 31, 2001	26.10	27.20	26.05	26.70
547	NASDAQ	MKSI	Wed, May 30, 2001	27.55	27.60	25.85	25.86
546	NASDAQ	MKSI	Tue, May 29, 2001	30.05	30.05	27.70	27.75
545	NASDAQ	MKSI	Fri, May 25, 2001	29.75	30.46	29.68	29.98
544	NASDAQ	MKSI	Thu, May 24, 2001	29.97	30.49	29.65	30.45
543	NASDAQ	MKSI	Wed, May 23, 2001	30.40	30.54	29.90	29.97
542	NASDAQ	MKSI	Tue, May 22, 2001	30.58	31.97	30.50	31.51
541	NASDAQ	MKSI	Mon, May 21, 2001	28.70	30.41	28.50	30.34
540	NASDAQ	MKSI	Fri, May 18, 2001	28.76	29.05	28.50	28.70
539	NASDAQ	MKSI	Thu, May 17, 2001	29.10	29.66	28.75	28.85
538	NASDAQ	MKSI	Wed, May 16, 2001	27.30	29.20	27.21	29.00
537	NASDAQ	MKSI	Tue, May 15, 2001	27.06	27.96	27.00	27.25
536	NASDAQ	MKSI	Mon, May 14, 2001	27.15	27.40	26.56	27.10
535	NASDAQ	MKSI	Fri, May 11, 2001	27.48	28.25	26.45	27.45
534	NASDAQ	MKSI	Thu, May 10, 2001	28.81	30.45	27.55	27.61
533	NASDAQ	MKSI	Wed, May 9, 2001	29.16	29.25	27.85	28.47
532	NASDAQ	MKSI	Tue, May 8, 2001	26.88	29.90	26.87	29.81
531	NASDAQ	MKSI	Mon, May 7, 2001	26.70	27.35	26.58	26.87
530	NASDAQ	MKSI	Fri, May 4, 2001	26.80	27.00	26.10	26.62
529	NASDAQ	MKSI	Thu, May 3, 2001	27.41	27.75	25.60	26.72
528	NASDAQ	MKSI	Wed, May 2, 2001	25.74	27.75	25.35	27.67
527	NASDAQ	MKSI	Tue, May 1, 2001	25.00	25.75	24.23	25.63
526	NASDAQ	MKSI	Mon, Apr 30, 2001	24.62	25.64	24.40	25.21
525	NASDAQ	MKSI	Fri, Apr 27, 2001	24.06	25.07	24.00	24.62
524	NASDAQ	MKSI	Thu, Apr 26, 2001	24.00	25.00	23.75	24.35
523	NASDAQ	MKSI	Wed, Apr 25, 2001	23.25	24.56	23.05	24.55
522	NASDAQ	MKSI	Tue, Apr 24, 2001	25.31	25.68	24.46	24.97
521	NASDAQ	MKSI	Mon, Apr 23, 2001	25.75	25.84	25.05	25.35
520	NASDAQ	MKSI	Fri, Apr 20, 2001	25.55	26.73	25.11	26.70
519	NASDAQ	MKSI	Thu, Apr 19, 2001	25.67	26.25	25.50	25.94
518	NASDAQ	MKSI	Wed, Apr 18, 2001	22.69	25.70	22.69	25.34
517	NASDAQ	MKSI	Tue, Apr 17, 2001	22.15	22.75	21.88	22.30
516	NASDAQ	MKSI	Mon, Apr 16, 2001	21.99	23.08	21.80	22.22
515	NASDAQ	MKSI	Thu, Apr 12, 2001	21.13	22.35	20.70	22.20
514	NASDAQ	MKSI	Wed, Apr 11, 2001	19.66	21.50	19.66	21.13
513	NASDAQ	MKSI	Tue, Apr 10, 2001	18.63	19.75	18.46	19.56
512	NASDAQ	MKSI	Mon, Apr 9, 2001	19.10	19.10	18.45	18.45
511	NASDAQ	MKSI	Fri, Apr 6, 2001	19.65	19.99	18.21	19.25
510	NASDAQ	MKSI	Thu, Apr 5, 2001	17.40	19.99	17.40	19.98
509	NASDAQ	MKSI	Wed, Apr 4, 2001	17.28	17.90	17.26	17.41
508	NASDAQ	MKSI	Tue, Apr 3, 2001	17.45	17.73	17.13	17.35
507	NASDAQ	MKSI	Mon, Apr 2, 2001	18.32	18.41	17.50	17.62
506	NASDAQ	MKSI	Fri, Mar 30, 2001	17.78	18.74	16.90	18.71
505	NASDAQ	MKSI	Thu, Mar 29, 2001	18.42	18.85	17.95	18.01
504	NASDAQ	MKSI	Wed, Mar 28, 2001	18.91	18.91	18.38	18.57
503	NASDAQ	MKSI	Tue, Mar 27, 2001	20.21	20.31	18.75	19.27
502	NASDAQ	MKSI	Mon, Mar 26, 2001	19.05	20.64	19.00	20.34
501	NASDAQ	MKSI	Fri, Mar 23, 2001	19.13	19.63	18.50	19.19
500	NASDAQ	MKSI	Thu, Mar 22, 2001	17.13	18.88	16.88	18.81
499	NASDAQ	MKSI	Wed, Mar 21, 2001	17.06	17.81	17.00	17.25
498	NASDAQ	MKSI	Tue, Mar 20, 2001	17.89	18.38	17.31	17.38
497	NASDAQ	MKSI	Mon, Mar 19, 2001	17.38	18.13	17.13	18.06
496	NASDAQ	MKSI	Fri, Mar 16, 2001	18.38	18.56	17.34	17.56
495	NASDAQ	MKSI	Thu, Mar 15, 2001	19.75	20.00	18.50	18.81
494	NASDAQ	MKSI	Wed, Mar 14, 2001	18.94	20.13	18.94	19.50
493	NASDAQ	MKSI	Tue, Mar 13, 2001	19.13	20.25	18.75	19.88
492	NASDAQ	MKSI	Mon, Mar 12, 2001	19.63	20.38	18.69	19.31
491	NASDAQ	MKSI	Fri, Mar 9, 2001	20.69	20.83	19.81	20.06
490	NASDAQ	MKSI	Thu, Mar 8, 2001	19.66	21.38	19.50	21.13
489	NASDAQ	MKSI	Wed, Mar 7, 2001	21.69	21.94	21.06	21.81
488	NASDAQ	MKSI	Tue, Mar 6, 2001	20.00	22.13	19.94	21.69
487	NASDAQ	MKSI	Mon, Mar 5, 2001	18.25	20.13	18.13	19.69
486	NASDAQ	MKSI	Fri, Mar 2, 2001	17.50	19.55	17.50	18.44
485	NASDAQ	MKSI	Thu, Mar 1, 2001	17.38	18.81	16.75	18.81
484	NASDAQ	MKSI	Wed, Feb 28, 2001	18.63	18.63	17.44	17.50
483	NASDAQ	MKSI	Tue, Feb 27, 2001	19.69	19.69	18.50	18.63
482	NASDAQ	MKSI	Mon, Feb 26, 2001	19.00	20.06	19.00	19.56
481	NASDAQ	MKSI	Fri, Feb 23, 2001	18.39	19.44	17.00	19.13
480	NASDAQ	MKSI	Thu, Feb 22, 2001	19.00	19.00	17.88	18.44
479	NASDAQ	MKSI	Wed, Feb 21, 2001	18.50	19.25	18.13	19.00
478	NASDAQ	MKSI	Tue, Feb 20, 2001	19.31	20.00	18.63	18.63
477	NASDAQ	MKSI	Fri, Feb 16, 2001	20.00	20.25	18.25	19.31
476	NASDAQ	MKSI	Thu, Feb 15, 2001	19.25	21.75	19.13	20.88
475	NASDAQ	MKSI	Wed, Feb 14, 2001	17.88	19.19	17.25	19.02
474	NASDAQ	MKSI	Tue, Feb 13, 2001	19.19	19.75	17.50	17.50
473	NASDAQ	MKSI	Mon, Feb 12, 2001	17.41	19.56	17.38	19.00
472	NASDAQ	MKSI	Fri, Feb 9, 2001	17.25	17.69	16.75	17.69
471	NASDAQ	MKSI	Thu, Feb 8, 2001	18.00	18.63	17.25	17.38
470	NASDAQ	MKSI	Wed, Feb 7, 2001	18.69	18.75	16.88	17.94
469	NASDAQ	MKSI	Tue, Feb 6, 2001	18.50	19.75	18.19	18.50
468	NASDAQ	MKSI	Mon, Feb 5, 2001	19.06	22.63	18.13	18.81
467	NASDAQ	MKSI	Fri, Feb 2, 2001	21.75	22.50	20.81	20.94
466	NASDAQ	MKSI	Thu, Feb 1, 2001	23.50	23.88	21.38	21.81
465	NASDAQ	MKSI	Wed, Jan 31, 2001	24.00	24.44	23.50	23.50
464	NASDAQ	MKSI	Tue, Jan 30, 2001	22.13	24.63	21.50	23.81
463	NASDAQ	MKSI	Mon, Jan 29, 2001	20.25	22.00	20.00	22.00
462	NASDAQ	MKSI	Fri, Jan 26, 2001	20.77	20.88	19.75	20.13
461	NASDAQ	MKSI	Thu, Jan 25, 2001	21.38	21.63	20.75	20.88
460	NASDAQ	MKSI	Wed, Jan 24, 2001	21.73	22.94	21.31	21.50
459	NASDAQ	MKSI	Tue, Jan 23, 2001	21.50	21.88	20.69	21.56
458	NASDAQ	MKSI	Mon, Jan 22, 2001	21.16	22.00	21.13	21.63
457	NASDAQ	MKSI	Fri, Jan 19, 2001	20.58	22.25	20.56	21.94
456	NASDAQ	MKSI	Thu, Jan 18, 2001	20.06	20.63	19.88	20.38
455	NASDAQ	MKSI	Wed, Jan 17, 2001	19.31	21.88	19.00	20.06
454	NASDAQ	MKSI	Tue, Jan 16, 2001	19.25	19.38	18.00	18.63
453	NASDAQ	MKSI	Fri, Jan 12, 2001	18.56	21.25	18.56	19.50
452	NASDAQ	MKSI	Thu, Jan 11, 2001	18.00	18.81	17.75	18.50
451	NASDAQ	MKSI	Wed, Jan 10, 2001	17.88	18.69	17.63	18.00
450	NASDAQ	MKSI	Tue, Jan 9, 2001	17.28	19.00	17.27	18.25
449	NASDAQ	MKSI	Mon, Jan 8, 2001	17.44	17.50	17.06	17.38
448	NASDAQ	MKSI	Fri, Jan 5, 2001	18.19	18.22	17.13	17.56
447	NASDAQ	MKSI	Thu, Jan 4, 2001	17.94	19.50	17.75	18.25
446	NASDAQ	MKSI	Wed, Jan 3, 2001	15.88	18.38	15.56	18.38
445	NASDAQ	MKSI	Tue, Jan 2, 2001	15.41	16.75	15.41	15.81
444	NASDAQ	MKSI	Fri, Dec 29, 2000	15.53	16.50	15.38	15.50
443	NASDAQ	MKSI	Thu, Dec 28, 2000	15.44	16.13	15.44	15.50
442	NASDAQ	MKSI	Wed, Dec 27, 2000	15.69	15.75	15.38	15.69
441	NASDAQ	MKSI	Tue, Dec 26, 2000	15.00	15.75	14.94	15.63
440	NASDAQ	MKSI	Fri, Dec 22, 2000	14.75	15.50	14.25	14.88
439	NASDAQ	MKSI	Thu, Dec 21, 2000	15.13	16.00	14.25	14.63
438	NASDAQ	MKSI	Wed, Dec 20, 2000	15.63	15.88	15.00	15.13
437	NASDAQ	MKSI	Tue, Dec 19, 2000	15.81	16.25	15.31	15.81
436	NASDAQ	MKSI	Mon, Dec 18, 2000	16.00	16.13	15.50	16.00
435	NASDAQ	MKSI	Fri, Dec 15, 2000	16.00	16.36	15.44	15.88
434	NASDAQ	MKSI	Thu, Dec 14, 2000	17.25	17.50	15.94	16.50
433	NASDAQ	MKSI	Wed, Dec 13, 2000	18.61	18.63	17.06	17.31
432	NASDAQ	MKSI	Tue, Dec 12, 2000	19.00	19.00	18.25	18.56
431	NASDAQ	MKSI	Mon, Dec 11, 2000	17.94	19.19	17.75	19.00
430	NASDAQ	MKSI	Fri, Dec 8, 2000	17.25	18.13	17.25	17.81
429	NASDAQ	MKSI	Thu, Dec 7, 2000	17.25	17.31	16.94	16.94
428	NASDAQ	MKSI	Wed, Dec 6, 2000	17.25	18.00	17.13	17.44
427	NASDAQ	MKSI	Tue, Dec 5, 2000	15.56	17.63	15.44	17.31
426	NASDAQ	MKSI	Mon, Dec 4, 2000	15.53	15.56	15.38	15.50
425	NASDAQ	MKSI	Fri, Dec 1, 2000	15.20	16.13	15.20	15.44
424	NASDAQ	MKSI	Thu, Nov 30, 2000	15.25	15.38	14.38	15.13
423	NASDAQ	MKSI	Wed, Nov 29, 2000	16.31	16.44	15.69	15.75
422	NASDAQ	MKSI	Tue, Nov 28, 2000	17.25	17.25	15.56	16.25
421	NASDAQ	MKSI	Mon, Nov 27, 2000	17.00	17.56	16.94	17.06
420	NASDAQ	MKSI	Fri, Nov 24, 2000	15.86	16.88	15.75	16.88
419	NASDAQ	MKSI	Wed, Nov 22, 2000	16.25	16.38	15.69	15.69
418	NASDAQ	MKSI	Tue, Nov 21, 2000	16.81	17.00	16.31	16.31
417	NASDAQ	MKSI	Mon, Nov 20, 2000	17.56	17.56	16.50	16.81
416	NASDAQ	MKSI	Fri, Nov 17, 2000	17.42	17.88	16.94	17.56
415	NASDAQ	MKSI	Thu, Nov 16, 2000	18.75	18.88	17.00	17.06
414	NASDAQ	MKSI	Wed, Nov 15, 2000	18.50	18.94	17.88	18.75
413	NASDAQ	MKSI	Tue, Nov 14, 2000	18.00	18.56	17.63	18.56
412	NASDAQ	MKSI	Mon, Nov 13, 2000	16.31	18.19	16.00	17.75
411	NASDAQ	MKSI	Fri, Nov 10, 2000	15.94	16.75	15.81	16.50
410	NASDAQ	MKSI	Thu, Nov 9, 2000	17.31	17.38	15.98	16.19
409	NASDAQ	MKSI	Wed, Nov 8, 2000	18.38	18.38	17.50	17.75
408	NASDAQ	MKSI	Tue, Nov 7, 2000	17.73	18.44	17.25	18.13
407	NASDAQ	MKSI	Mon, Nov 6, 2000	17.81	18.25	17.13	17.38
406	NASDAQ	MKSI	Fri, Nov 3, 2000	18.06	18.13	17.56	17.63
405	NASDAQ	MKSI	Thu, Nov 2, 2000	17.69	18.19	17.25	18.00
404	NASDAQ	MKSI	Wed, Nov 1, 2000	18.44	18.50	16.75	17.31
403	NASDAQ	MKSI	Tue, Oct 31, 2000	18.38	18.69	17.94	18.38
402	NASDAQ	MKSI	Mon, Oct 30, 2000	17.88	18.50	17.88	18.00
401	NASDAQ	MKSI	Fri, Oct 27, 2000	18.80	19.31	17.88	17.88
400	NASDAQ	MKSI	Thu, Oct 26, 2000	17.83	18.50	17.50	18.44
399	NASDAQ	MKSI	Wed, Oct 25, 2000	18.75	18.88	17.75	18.06
398	NASDAQ	MKSI	Tue, Oct 24, 2000	20.25	20.25	18.88	18.88
397	NASDAQ	MKSI	Mon, Oct 23, 2000	18.88	21.88	18.75	19.75
396	NASDAQ	MKSI	Fri, Oct 20, 2000	18.88	19.00	18.63	18.75
395	NASDAQ	MKSI	Thu, Oct 19, 2000	18.44	19.00	18.38	18.75
394	NASDAQ	MKSI	Wed, Oct 18, 2000	17.25	18.25	16.69	17.94
393	NASDAQ	MKSI	Tue, Oct 17, 2000	19.19	19.63	17.13	17.69
392	NASDAQ	MKSI	Mon, Oct 16, 2000	20.00	20.63	18.63	19.00
391	NASDAQ	MKSI	Fri, Oct 13, 2000	18.27	19.38	18.25	19.38
390	NASDAQ	MKSI	Thu, Oct 12, 2000	19.50	19.50	18.25	18.44
389	NASDAQ	MKSI	Wed, Oct 11, 2000	19.81	20.13	19.25	19.25
388	NASDAQ	MKSI	Tue, Oct 10, 2000	20.88	21.13	19.75	19.94
387	NASDAQ	MKSI	Mon, Oct 9, 2000	21.59	21.88	20.00	21.00
386	NASDAQ	MKSI	Fri, Oct 6, 2000	23.44	23.50	21.00	21.56
385	NASDAQ	MKSI	Thu, Oct 5, 2000	23.88	24.06	22.44	23.63
384	NASDAQ	MKSI	Wed, Oct 4, 2000	22.50	24.38	22.25	24.19
383	NASDAQ	MKSI	Tue, Oct 3, 2000	23.47	23.50	21.75	22.25
382	NASDAQ	MKSI	Mon, Oct 2, 2000	25.81	25.81	22.56	23.00
381	NASDAQ	MKSI	Fri, Sep 29, 2000	30.09	30.25	27.25	27.38
380	NASDAQ	MKSI	Thu, Sep 28, 2000	28.84	31.56	28.00	30.19
379	NASDAQ	MKSI	Wed, Sep 27, 2000	30.44	30.44	26.56	28.75
378	NASDAQ	MKSI	Tue, Sep 26, 2000	29.28	31.63	28.25	30.44
377	NASDAQ	MKSI	Mon, Sep 25, 2000	29.69	29.75	29.06	29.25
376	NASDAQ	MKSI	Fri, Sep 22, 2000	29.00	29.69	27.56	29.44
375	NASDAQ	MKSI	Thu, Sep 21, 2000	32.19	32.19	30.75	31.13
374	NASDAQ	MKSI	Wed, Sep 20, 2000	32.00	32.69	31.81	32.06
373	NASDAQ	MKSI	Tue, Sep 19, 2000	31.03	32.50	31.00	31.88
372	NASDAQ	MKSI	Mon, Sep 18, 2000	33.78	33.81	29.06	31.31
371	NASDAQ	MKSI	Fri, Sep 15, 2000	32.94	34.00	31.44	33.75
370	NASDAQ	MKSI	Thu, Sep 14, 2000	31.31	34.25	31.25	33.06
369	NASDAQ	MKSI	Wed, Sep 13, 2000	30.75	31.38	30.25	31.19
368	NASDAQ	MKSI	Tue, Sep 12, 2000	31.50	31.69	30.25	30.88
367	NASDAQ	MKSI	Mon, Sep 11, 2000	31.47	31.88	30.25	31.63
366	NASDAQ	MKSI	Fri, Sep 8, 2000	33.38	33.38	31.50	31.50
365	NASDAQ	MKSI	Thu, Sep 7, 2000	28.84	33.88	28.25	33.75
364	NASDAQ	MKSI	Wed, Sep 6, 2000	34.75	34.88	29.13	29.50
363	NASDAQ	MKSI	Tue, Sep 5, 2000	35.13	35.13	34.50	34.88
362	NASDAQ	MKSI	Fri, Sep 1, 2000	35.13	35.38	34.38	35.13
361	NASDAQ	MKSI	Thu, Aug 31, 2000	34.75	35.13	34.00	35.13
360	NASDAQ	MKSI	Wed, Aug 30, 2000	34.75	34.88	34.44	34.69
359	NASDAQ	MKSI	Tue, Aug 29, 2000	34.31	35.00	34.13	34.88
358	NASDAQ	MKSI	Mon, Aug 28, 2000	34.97	36.00	33.25	34.38
357	NASDAQ	MKSI	Fri, Aug 25, 2000	33.00	34.88	32.38	34.88
356	NASDAQ	MKSI	Thu, Aug 24, 2000	29.88	32.00	29.88	31.38
355	NASDAQ	MKSI	Wed, Aug 23, 2000	26.25	29.94	25.88	29.81
354	NASDAQ	MKSI	Tue, Aug 22, 2000	28.38	28.63	25.31	27.06
353	NASDAQ	MKSI	Mon, Aug 21, 2000	27.44	29.38	27.38	28.50
352	NASDAQ	MKSI	Fri, Aug 18, 2000	23.34	27.75	23.31	26.13
351	NASDAQ	MKSI	Thu, Aug 17, 2000	22.88	23.25	22.75	23.00
350	NASDAQ	MKSI	Wed, Aug 16, 2000	23.13	23.25	22.63	23.00
349	NASDAQ	MKSI	Tue, Aug 15, 2000	21.34	23.50	21.31	22.69
348	NASDAQ	MKSI	Mon, Aug 14, 2000	19.41	21.17	18.69	21.03
347	NASDAQ	MKSI	Fri, Aug 11, 2000	17.03	19.50	17.00	18.63
346	NASDAQ	MKSI	Thu, Aug 10, 2000	18.50	19.00	16.81	16.81
345	NASDAQ	MKSI	Wed, Aug 9, 2000	19.44	19.50	18.25	18.38
344	NASDAQ	MKSI	Tue, Aug 8, 2000	20.47	20.63	17.75	18.52
343	NASDAQ	MKSI	Mon, Aug 7, 2000	20.88	21.13	19.25	20.00
342	NASDAQ	MKSI	Fri, Aug 4, 2000	20.88	22.13	19.25	19.75
341	NASDAQ	MKSI	Thu, Aug 3, 2000	23.19	24.75	18.75	20.06
340	NASDAQ	MKSI	Wed, Aug 2, 2000	25.56	25.69	24.13	24.75
339	NASDAQ	MKSI	Tue, Aug 1, 2000	25.38	26.50	25.38	25.56
338	NASDAQ	MKSI	Mon, Jul 31, 2000	24.63	26.00	24.38	25.19
337	NASDAQ	MKSI	Fri, Jul 28, 2000	27.06	27.25	22.63	24.06
336	NASDAQ	MKSI	Thu, Jul 27, 2000	27.97	28.25	25.75	26.13
335	NASDAQ	MKSI	Wed, Jul 26, 2000	30.00	30.13	27.00	28.06
334	NASDAQ	MKSI	Tue, Jul 25, 2000	31.06	32.00	29.56	30.13
333	NASDAQ	MKSI	Mon, Jul 24, 2000	32.00	32.56	30.88	31.50
332	NASDAQ	MKSI	Fri, Jul 21, 2000	34.25	34.25	31.00	32.25
331	NASDAQ	MKSI	Thu, Jul 20, 2000	34.94	35.38	33.50	34.50
330	NASDAQ	MKSI	Wed, Jul 19, 2000	37.84	38.00	33.13	35.13
329	NASDAQ	MKSI	Tue, Jul 18, 2000	40.44	40.75	35.63	36.88
328	NASDAQ	MKSI	Mon, Jul 17, 2000	35.81	40.00	35.81	38.50
327	NASDAQ	MKSI	Fri, Jul 14, 2000	32.50	35.25	31.88	35.00
326	NASDAQ	MKSI	Thu, Jul 13, 2000	31.13	33.00	31.00	32.38
325	NASDAQ	MKSI	Wed, Jul 12, 2000	29.13	32.44	27.75	30.44
324	NASDAQ	MKSI	Tue, Jul 11, 2000	30.75	31.00	26.25	28.00
323	NASDAQ	MKSI	Mon, Jul 10, 2000	33.00	33.75	30.00	30.44
322	NASDAQ	MKSI	Fri, Jul 7, 2000	34.00	34.00	33.06	33.38
321	NASDAQ	MKSI	Thu, Jul 6, 2000	34.38	34.63	33.00	34.00
320	NASDAQ	MKSI	Wed, Jul 5, 2000	38.38	38.69	32.75	33.75
319	NASDAQ	MKSI	Mon, Jul 3, 2000	38.84	39.13	38.00	39.00
318	NASDAQ	MKSI	Fri, Jun 30, 2000	36.81	39.13	36.63	39.13
317	NASDAQ	MKSI	Thu, Jun 29, 2000	36.13	37.50	35.75	36.75
316	NASDAQ	MKSI	Wed, Jun 28, 2000	33.16	37.25	33.16	36.38
315	NASDAQ	MKSI	Tue, Jun 27, 2000	32.88	33.50	32.75	32.88
314	NASDAQ	MKSI	Mon, Jun 26, 2000	33.31	33.38	32.75	33.00
313	NASDAQ	MKSI	Fri, Jun 23, 2000	35.13	35.50	32.00	33.13
312	NASDAQ	MKSI	Thu, Jun 22, 2000	36.63	37.13	35.13	35.13
311	NASDAQ	MKSI	Wed, Jun 21, 2000	37.44	37.50	35.88	36.56
310	NASDAQ	MKSI	Tue, Jun 20, 2000	38.56	39.50	37.38	37.50
309	NASDAQ	MKSI	Mon, Jun 19, 2000	40.13	41.38	38.50	38.88
308	NASDAQ	MKSI	Fri, Jun 16, 2000	40.34	42.75	40.13	41.00
307	NASDAQ	MKSI	Thu, Jun 15, 2000	39.13	40.75	38.13	40.75
306	NASDAQ	MKSI	Wed, Jun 14, 2000	38.69	40.25	38.25	38.75
305	NASDAQ	MKSI	Tue, Jun 13, 2000	37.50	39.25	36.50	39.00
304	NASDAQ	MKSI	Mon, Jun 12, 2000	42.25	42.25	37.50	39.38
303	NASDAQ	MKSI	Fri, Jun 9, 2000	43.38	43.88	41.94	42.00
302	NASDAQ	MKSI	Thu, Jun 8, 2000	40.13	44.13	40.00	43.25
301	NASDAQ	MKSI	Wed, Jun 7, 2000	35.47	39.75	35.44	39.75
300	NASDAQ	MKSI	Tue, Jun 6, 2000	38.50	39.75	34.50	34.75
299	NASDAQ	MKSI	Mon, Jun 5, 2000	42.00	42.00	38.25	39.00
298	NASDAQ	MKSI	Fri, Jun 2, 2000	40.13	43.38	40.06	41.06
297	NASDAQ	MKSI	Thu, Jun 1, 2000	39.00	40.13	38.44	40.13
296	NASDAQ	MKSI	Wed, May 31, 2000	39.50	40.38	39.25	39.38
295	NASDAQ	MKSI	Tue, May 30, 2000	34.69	41.50	34.25	41.50
294	NASDAQ	MKSI	Fri, May 26, 2000	36.56	36.75	33.88	34.50
293	NASDAQ	MKSI	Thu, May 25, 2000	38.63	39.94	35.88	35.88
292	NASDAQ	MKSI	Wed, May 24, 2000	39.50	39.50	31.88	38.25
291	NASDAQ	MKSI	Tue, May 23, 2000	45.34	45.94	37.00	39.00
290	NASDAQ	MKSI	Mon, May 22, 2000	38.28	47.00	37.53	46.50
289	NASDAQ	MKSI	Fri, May 19, 2000	41.97	42.00	37.50	38.50
288	NASDAQ	MKSI	Thu, May 18, 2000	44.00	44.00	40.00	40.50
287	NASDAQ	MKSI	Wed, May 17, 2000	46.13	46.75	43.63	44.88
286	NASDAQ	MKSI	Tue, May 16, 2000	45.63	47.50	45.63	47.00
285	NASDAQ	MKSI	Mon, May 15, 2000	45.38	46.00	44.38	45.88
284	NASDAQ	MKSI	Fri, May 12, 2000	47.25	47.25	45.56	45.56
283	NASDAQ	MKSI	Thu, May 11, 2000	41.88	47.00	41.56	47.00
282	NASDAQ	MKSI	Wed, May 10, 2000	42.98	43.00	40.00	41.44
281	NASDAQ	MKSI	Tue, May 9, 2000	47.94	47.94	44.13	44.63
280	NASDAQ	MKSI	Mon, May 8, 2000	48.50	49.50	48.00	48.25
279	NASDAQ	MKSI	Fri, May 5, 2000	46.00	49.06	45.63	48.63
278	NASDAQ	MKSI	Thu, May 4, 2000	45.19	46.25	45.19	46.00
277	NASDAQ	MKSI	Wed, May 3, 2000	46.94	46.94	44.38	45.25
276	NASDAQ	MKSI	Tue, May 2, 2000	50.75	51.50	46.00	46.31
275	NASDAQ	MKSI	Mon, May 1, 2000	45.88	52.19	45.88	50.81
274	NASDAQ	MKSI	Fri, Apr 28, 2000	49.75	50.69	46.00	47.00
273	NASDAQ	MKSI	Thu, Apr 27, 2000	42.78	49.00	42.63	48.25
272	NASDAQ	MKSI	Wed, Apr 26, 2000	43.75	44.50	43.00	43.88
271	NASDAQ	MKSI	Tue, Apr 25, 2000	42.50	44.31	42.19	43.94
270	NASDAQ	MKSI	Mon, Apr 24, 2000	40.94	42.50	40.47	41.88
269	NASDAQ	MKSI	Thu, Apr 20, 2000	46.56	47.19	42.38	42.38
268	NASDAQ	MKSI	Wed, Apr 19, 2000	48.00	48.50	46.00	46.56
267	NASDAQ	MKSI	Tue, Apr 18, 2000	40.75	49.31	40.63	46.75
266	NASDAQ	MKSI	Mon, Apr 17, 2000	37.13	41.00	36.50	40.75
265	NASDAQ	MKSI	Fri, Apr 14, 2000	37.00	38.13	35.63	37.38
264	NASDAQ	MKSI	Thu, Apr 13, 2000	41.50	42.44	38.50	38.50
263	NASDAQ	MKSI	Wed, Apr 12, 2000	45.88	45.88	40.75	41.50
262	NASDAQ	MKSI	Tue, Apr 11, 2000	50.88	50.88	44.00	44.00
261	NASDAQ	MKSI	Mon, Apr 10, 2000	55.25	57.00	51.13	51.75
260	NASDAQ	MKSI	Fri, Apr 7, 2000	51.50	55.25	50.75	55.25
259	NASDAQ	MKSI	Thu, Apr 6, 2000	51.38	51.38	48.75	51.13
258	NASDAQ	MKSI	Wed, Apr 5, 2000	48.25	50.50	48.25	49.50
257	NASDAQ	MKSI	Tue, Apr 4, 2000	49.00	50.13	44.75	49.81
256	NASDAQ	MKSI	Mon, Apr 3, 2000	49.63	49.94	48.75	49.00
255	NASDAQ	MKSI	Fri, Mar 31, 2000	51.75	52.25	48.06	50.50
254	NASDAQ	MKSI	Thu, Mar 30, 2000	48.00	48.13	47.00	48.13
253	NASDAQ	MKSI	Wed, Mar 29, 2000	52.50	52.63	48.25	49.75
252	NASDAQ	MKSI	Tue, Mar 28, 2000	52.00	54.63	51.03	52.50
251	NASDAQ	MKSI	Mon, Mar 27, 2000	51.97	52.69	50.88	52.25
250	NASDAQ	MKSI	Fri, Mar 24, 2000	51.69	52.94	50.00	52.00
249	NASDAQ	MKSI	Thu, Mar 23, 2000	51.50	52.13	50.75	51.25
248	NASDAQ	MKSI	Wed, Mar 22, 2000	45.50	50.88	45.50	50.00
247	NASDAQ	MKSI	Tue, Mar 21, 2000	48.25	48.31	42.50	45.13
246	NASDAQ	MKSI	Mon, Mar 20, 2000	54.88	55.25	48.75	50.31
245	NASDAQ	MKSI	Fri, Mar 17, 2000	58.75	58.75	53.75	55.25
244	NASDAQ	MKSI	Thu, Mar 16, 2000	56.75	59.00	55.50	58.81
243	NASDAQ	MKSI	Wed, Mar 15, 2000	59.63	60.13	56.00	57.56
242	NASDAQ	MKSI	Tue, Mar 14, 2000	61.69	62.00	59.38	59.44
241	NASDAQ	MKSI	Mon, Mar 13, 2000	59.00	60.81	57.13	59.38
240	NASDAQ	MKSI	Fri, Mar 10, 2000	56.19	62.25	56.00	61.50
239	NASDAQ	MKSI	Thu, Mar 9, 2000	54.88	57.50	53.25	57.13
238	NASDAQ	MKSI	Wed, Mar 8, 2000	58.38	59.13	52.00	56.13
237	NASDAQ	MKSI	Tue, Mar 7, 2000	55.75	58.13	54.50	57.00
236	NASDAQ	MKSI	Mon, Mar 6, 2000	48.63	52.00	47.50	51.75
235	NASDAQ	MKSI	Fri, Mar 3, 2000	50.13	50.50	47.13	47.13
234	NASDAQ	MKSI	Thu, Mar 2, 2000	50.00	53.63	48.00	48.38
233	NASDAQ	MKSI	Wed, Mar 1, 2000	45.75	50.63	45.50	49.00
232	NASDAQ	MKSI	Tue, Feb 29, 2000	44.50	45.88	44.50	45.50
231	NASDAQ	MKSI	Mon, Feb 28, 2000	45.09	45.13	40.50	42.25
230	NASDAQ	MKSI	Fri, Feb 25, 2000	44.63	45.13	44.38	45.00
229	NASDAQ	MKSI	Thu, Feb 24, 2000	42.50	44.75	42.38	44.63
228	NASDAQ	MKSI	Wed, Feb 23, 2000	40.25	43.00	39.50	42.88
227	NASDAQ	MKSI	Tue, Feb 22, 2000	41.63	41.63	37.88	39.69
226	NASDAQ	MKSI	Fri, Feb 18, 2000	42.56	43.38	41.00	41.63
225	NASDAQ	MKSI	Thu, Feb 17, 2000	44.09	44.25	40.63	43.25
224	NASDAQ	MKSI	Wed, Feb 16, 2000	43.50	44.38	43.23	44.00
223	NASDAQ	MKSI	Tue, Feb 15, 2000	43.09	44.25	42.75	42.88
222	NASDAQ	MKSI	Mon, Feb 14, 2000	39.31	43.38	39.25	42.13
221	NASDAQ	MKSI	Fri, Feb 11, 2000	40.88	40.88	37.25	38.00
220	NASDAQ	MKSI	Thu, Feb 10, 2000	44.50	44.50	39.63	40.19
219	NASDAQ	MKSI	Wed, Feb 9, 2000	42.25	46.75	42.00	44.50
218	NASDAQ	MKSI	Tue, Feb 8, 2000	38.28	44.25	36.38	43.38
217	NASDAQ	MKSI	Mon, Feb 7, 2000	37.88	38.63	37.50	38.63
216	NASDAQ	MKSI	Fri, Feb 4, 2000	36.63	38.13	36.50	37.50
215	NASDAQ	MKSI	Thu, Feb 3, 2000	37.75	38.00	33.50	34.88
214	NASDAQ	MKSI	Wed, Feb 2, 2000	33.88	36.50	33.50	36.25
213	NASDAQ	MKSI	Tue, Feb 1, 2000	32.81	34.00	32.75	33.88
212	NASDAQ	MKSI	Mon, Jan 31, 2000	34.75	35.31	32.25	32.56
211	NASDAQ	MKSI	Fri, Jan 28, 2000	34.25	36.75	33.50	35.00
210	NASDAQ	MKSI	Thu, Jan 27, 2000	37.38	37.88	30.63	34.50
209	NASDAQ	MKSI	Wed, Jan 26, 2000	37.38	39.25	36.75	37.50
208	NASDAQ	MKSI	Tue, Jan 25, 2000	39.00	40.31	35.69	38.00
207	NASDAQ	MKSI	Mon, Jan 24, 2000	43.00	46.19	38.63	38.63
206	NASDAQ	MKSI	Fri, Jan 21, 2000	38.81	45.00	38.00	43.25
205	NASDAQ	MKSI	Thu, Jan 20, 2000	37.13	41.50	37.13	38.75
204	NASDAQ	MKSI	Wed, Jan 19, 2000	35.75	37.00	35.75	36.75
203	NASDAQ	MKSI	Tue, Jan 18, 2000	36.38	36.38	35.63	36.00
202	NASDAQ	MKSI	Fri, Jan 14, 2000	34.25	37.75	34.25	36.00
201	NASDAQ	MKSI	Thu, Jan 13, 2000	32.13	34.25	31.75	33.88
200	NASDAQ	MKSI	Wed, Jan 12, 2000	31.38	32.25	31.13	32.13
199	NASDAQ	MKSI	Tue, Jan 11, 2000	31.25	32.25	30.50	31.00
198	NASDAQ	MKSI	Mon, Jan 10, 2000	32.25	32.25	31.38	31.38
197	NASDAQ	MKSI	Fri, Jan 7, 2000	32.50	32.50	31.50	32.13
196	NASDAQ	MKSI	Thu, Jan 6, 2000	33.50	34.00	32.50	33.00
195	NASDAQ	MKSI	Wed, Jan 5, 2000	32.00	34.25	32.00	34.25
194	NASDAQ	MKSI	Tue, Jan 4, 2000	33.13	33.25	31.50	32.00
193	NASDAQ	MKSI	Mon, Jan 3, 2000	34.75	35.88	32.88	33.63
192	NASDAQ	MKSI	Fri, Dec 31, 1999	32.38	36.50	32.38	36.13
191	NASDAQ	MKSI	Thu, Dec 30, 1999	32.75	33.00	32.13	33.00
190	NASDAQ	MKSI	Wed, Dec 29, 1999	33.13	33.25	32.63	33.00
189	NASDAQ	MKSI	Tue, Dec 28, 1999	31.25	33.25	31.25	33.00
188	NASDAQ	MKSI	Mon, Dec 27, 1999	30.69	31.50	30.00	31.13
187	NASDAQ	MKSI	Thu, Dec 23, 1999	29.88	32.25	29.88	30.50
186	NASDAQ	MKSI	Wed, Dec 22, 1999	29.88	30.13	29.38	29.38
185	NASDAQ	MKSI	Tue, Dec 21, 1999	29.63	30.13	29.38	30.13
184	NASDAQ	MKSI	Mon, Dec 20, 1999	28.06	30.50	27.75	29.63
183	NASDAQ	MKSI	Fri, Dec 17, 1999	28.13	28.75	27.50	28.00
182	NASDAQ	MKSI	Thu, Dec 16, 1999	27.63	28.25	27.13	27.38
181	NASDAQ	MKSI	Wed, Dec 15, 1999	27.13	27.88	27.13	27.75
180	NASDAQ	MKSI	Tue, Dec 14, 1999	27.13	27.88	27.13	27.13
179	NASDAQ	MKSI	Mon, Dec 13, 1999	27.25	27.25	27.13	27.13
178	NASDAQ	MKSI	Fri, Dec 10, 1999	27.63	27.75	26.13	27.38
177	NASDAQ	MKSI	Thu, Dec 9, 1999	27.75	28.25	25.63	28.25
176	NASDAQ	MKSI	Wed, Dec 8, 1999	28.50	29.00	27.75	27.88
175	NASDAQ	MKSI	Tue, Dec 7, 1999	26.50	29.50	25.75	29.50
174	NASDAQ	MKSI	Mon, Dec 6, 1999	25.75	26.38	25.50	26.13
173	NASDAQ	MKSI	Fri, Dec 3, 1999	25.16	26.38	25.00	25.88
172	NASDAQ	MKSI	Thu, Dec 2, 1999	24.63	25.25	23.75	25.25
171	NASDAQ	MKSI	Wed, Dec 1, 1999	25.00	25.00	24.13	24.75
170	NASDAQ	MKSI	Tue, Nov 30, 1999	24.75	24.88	24.56	24.88
169	NASDAQ	MKSI	Mon, Nov 29, 1999	25.63	26.00	24.88	25.00
168	NASDAQ	MKSI	Fri, Nov 26, 1999	25.44	25.63	25.25	25.63
167	NASDAQ	MKSI	Wed, Nov 24, 1999	25.81	26.13	25.38	25.38
166	NASDAQ	MKSI	Tue, Nov 23, 1999	27.13	27.13	25.63	25.63
165	NASDAQ	MKSI	Mon, Nov 22, 1999	26.38	27.00	26.38	27.00
164	NASDAQ	MKSI	Fri, Nov 19, 1999	27.00	27.00	26.38	26.50
163	NASDAQ	MKSI	Thu, Nov 18, 1999	26.13	27.00	26.13	26.38
162	NASDAQ	MKSI	Wed, Nov 17, 1999	26.13	26.13	25.75	25.75
161	NASDAQ	MKSI	Tue, Nov 16, 1999	26.13	26.13	25.38	25.81
160	NASDAQ	MKSI	Mon, Nov 15, 1999	27.38	27.38	25.44	26.13
159	NASDAQ	MKSI	Fri, Nov 12, 1999	28.38	28.38	27.38	27.75
158	NASDAQ	MKSI	Thu, Nov 11, 1999	28.00	28.38	27.50	28.25
157	NASDAQ	MKSI	Wed, Nov 10, 1999	26.38	28.63	25.38	27.75
156	NASDAQ	MKSI	Tue, Nov 9, 1999	27.31	27.31	26.25	26.50
155	NASDAQ	MKSI	Mon, Nov 8, 1999	26.00	27.56	26.00	27.25
154	NASDAQ	MKSI	Fri, Nov 5, 1999	25.88	27.00	25.88	26.38
153	NASDAQ	MKSI	Thu, Nov 4, 1999	29.00	29.94	24.50	25.25
152	NASDAQ	MKSI	Wed, Nov 3, 1999	24.19	28.00	24.09	27.44
151	NASDAQ	MKSI	Tue, Nov 2, 1999	22.88	24.56	22.69	23.75
150	NASDAQ	MKSI	Mon, Nov 1, 1999	21.88	23.25	21.38	23.22
149	NASDAQ	MKSI	Fri, Oct 29, 1999	19.88	22.00	19.88	21.00
148	NASDAQ	MKSI	Thu, Oct 28, 1999	19.88	19.88	19.63	19.81
147	NASDAQ	MKSI	Wed, Oct 27, 1999	19.88	19.88	19.75	19.75
146	NASDAQ	MKSI	Tue, Oct 26, 1999	19.88	20.13	19.69	19.69
145	NASDAQ	MKSI	Mon, Oct 25, 1999	19.88	20.00	19.75	20.00
144	NASDAQ	MKSI	Fri, Oct 22, 1999	19.88	20.13	19.81	20.13
143	NASDAQ	MKSI	Thu, Oct 21, 1999	20.44	20.50	19.63	19.81
142	NASDAQ	MKSI	Wed, Oct 20, 1999	19.75	19.88	19.25	19.50
141	NASDAQ	MKSI	Tue, Oct 19, 1999	19.88	19.88	19.75	19.75
140	NASDAQ	MKSI	Mon, Oct 18, 1999	19.63	19.88	19.63	19.88
139	NASDAQ	MKSI	Fri, Oct 15, 1999	20.13	20.13	19.63	20.00
138	NASDAQ	MKSI	Thu, Oct 14, 1999	20.06	20.06	19.88	20.00
137	NASDAQ	MKSI	Wed, Oct 13, 1999	20.13	20.13	19.88	20.00
136	NASDAQ	MKSI	Tue, Oct 12, 1999	19.44	20.38	19.44	20.25
135	NASDAQ	MKSI	Mon, Oct 11, 1999	20.06	20.06	19.38	19.38
134	NASDAQ	MKSI	Fri, Oct 8, 1999	20.06	20.25	20.06	20.25
133	NASDAQ	MKSI	Thu, Oct 7, 1999	20.13	20.38	20.06	20.06
132	NASDAQ	MKSI	Wed, Oct 6, 1999	20.88	21.13	20.13	20.25
131	NASDAQ	MKSI	Tue, Oct 5, 1999	20.75	21.00	20.75	20.88
130	NASDAQ	MKSI	Mon, Oct 4, 1999	20.75	21.25	20.50	20.88
129	NASDAQ	MKSI	Fri, Oct 1, 1999	22.22	22.25	20.50	21.02
128	NASDAQ	MKSI	Thu, Sep 30, 1999	20.13	22.50	20.00	22.25
127	NASDAQ	MKSI	Wed, Sep 29, 1999	20.00	20.50	19.50	19.69
126	NASDAQ	MKSI	Tue, Sep 28, 1999	19.13	20.00	19.13	20.00
125	NASDAQ	MKSI	Mon, Sep 27, 1999	18.69	19.25	18.69	19.00
124	NASDAQ	MKSI	Fri, Sep 24, 1999	19.25	19.25	18.50	18.75
123	NASDAQ	MKSI	Thu, Sep 23, 1999	18.81	19.38	18.81	18.88
122	NASDAQ	MKSI	Wed, Sep 22, 1999	18.50	18.75	18.50	18.75
121	NASDAQ	MKSI	Tue, Sep 21, 1999	18.50	18.75	18.50	18.50
120	NASDAQ	MKSI	Mon, Sep 20, 1999	19.00	19.25	18.38	18.38
119	NASDAQ	MKSI	Fri, Sep 17, 1999	19.25	19.38	18.88	19.25
118	NASDAQ	MKSI	Thu, Sep 16, 1999	19.75	19.75	19.13	19.19
117	NASDAQ	MKSI	Wed, Sep 15, 1999	19.88	19.88	19.38	19.50
116	NASDAQ	MKSI	Tue, Sep 14, 1999	19.88	20.00	19.63	19.75
115	NASDAQ	MKSI	Mon, Sep 13, 1999	21.00	21.00	19.13	19.50
114	NASDAQ	MKSI	Fri, Sep 10, 1999	21.75	22.00	20.75	21.25
113	NASDAQ	MKSI	Thu, Sep 9, 1999	20.88	21.25	20.50	21.25
112	NASDAQ	MKSI	Wed, Sep 8, 1999	18.69	21.25	18.69	21.25
111	NASDAQ	MKSI	Tue, Sep 7, 1999	18.50	19.13	18.44	18.69
110	NASDAQ	MKSI	Fri, Sep 3, 1999	18.50	18.50	18.25	18.50
109	NASDAQ	MKSI	Thu, Sep 2, 1999	18.38	18.63	18.25	18.25
108	NASDAQ	MKSI	Wed, Sep 1, 1999	18.38	18.75	18.38	18.44
107	NASDAQ	MKSI	Tue, Aug 31, 1999	18.75	19.00	18.38	18.38
106	NASDAQ	MKSI	Mon, Aug 30, 1999	19.00	19.00	18.50	18.88
105	NASDAQ	MKSI	Fri, Aug 27, 1999	19.19	19.19	18.75	18.94
104	NASDAQ	MKSI	Thu, Aug 26, 1999	19.31	19.44	19.25	19.31
103	NASDAQ	MKSI	Wed, Aug 25, 1999	19.63	19.63	19.41	19.50
102	NASDAQ	MKSI	Tue, Aug 24, 1999	19.63	19.63	19.00	19.56
101	NASDAQ	MKSI	Mon, Aug 23, 1999	19.25	19.50	19.00	19.44
100	NASDAQ	MKSI	Fri, Aug 20, 1999	19.06	19.50	19.06	19.06
99	NASDAQ	MKSI	Thu, Aug 19, 1999	19.00	19.50	19.00	19.00
98	NASDAQ	MKSI	Wed, Aug 18, 1999	20.50	21.13	18.88	19.50
97	NASDAQ	MKSI	Tue, Aug 17, 1999	21.75	22.00	21.00	21.38
96	NASDAQ	MKSI	Mon, Aug 16, 1999	19.63	21.81	19.63	21.81
95	NASDAQ	MKSI	Fri, Aug 13, 1999	20.75	21.50	19.75	19.75
94	NASDAQ	MKSI	Thu, Aug 12, 1999	21.25	21.63	20.75	21.06
93	NASDAQ	MKSI	Wed, Aug 11, 1999	21.25	21.25	21.00	21.25
92	NASDAQ	MKSI	Tue, Aug 10, 1999	21.00	21.25	21.00	21.25
91	NASDAQ	MKSI	Mon, Aug 9, 1999	21.00	21.25	20.63	20.75
90	NASDAQ	MKSI	Fri, Aug 6, 1999	21.03	21.13	20.25	21.13
89	NASDAQ	MKSI	Thu, Aug 5, 1999	21.19	21.19	21.19	21.19
88	NASDAQ	MKSI	Wed, Aug 4, 1999	21.00	21.50	21.00	21.25
87	NASDAQ	MKSI	Tue, Aug 3, 1999	21.00	21.31	21.00	21.00
86	NASDAQ	MKSI	Fri, Jul 30, 1999	20.75	21.31	20.75	21.31
85	NASDAQ	MKSI	Thu, Jul 29, 1999	19.88	21.00	19.88	21.00
84	NASDAQ	MKSI	Wed, Jul 28, 1999	20.25	20.38	19.75	20.00
83	NASDAQ	MKSI	Tue, Jul 27, 1999	20.25	21.00	20.25	20.38
82	NASDAQ	MKSI	Mon, Jul 26, 1999	21.25	21.25	20.63	21.00
81	NASDAQ	MKSI	Fri, Jul 23, 1999	21.38	21.75	20.88	21.00
80	NASDAQ	MKSI	Thu, Jul 22, 1999	21.38	21.63	20.75	21.63
79	NASDAQ	MKSI	Wed, Jul 21, 1999	21.75	21.75	21.25	21.75
78	NASDAQ	MKSI	Tue, Jul 20, 1999	21.25	21.75	21.25	21.75
77	NASDAQ	MKSI	Mon, Jul 19, 1999	21.50	21.75	21.00	21.75
76	NASDAQ	MKSI	Fri, Jul 16, 1999	21.25	21.50	21.06	21.44
75	NASDAQ	MKSI	Thu, Jul 15, 1999	21.00	21.38	20.88	21.25
74	NASDAQ	MKSI	Wed, Jul 14, 1999	20.75	21.00	20.75	21.00
73	NASDAQ	MKSI	Tue, Jul 13, 1999	21.00	21.38	20.50	20.75
72	NASDAQ	MKSI	Mon, Jul 12, 1999	20.44	21.75	20.25	21.50
71	NASDAQ	MKSI	Fri, Jul 9, 1999	19.25	20.50	19.25	20.50
70	NASDAQ	MKSI	Thu, Jul 8, 1999	19.13	19.25	18.63	19.00
69	NASDAQ	MKSI	Wed, Jul 7, 1999	19.50	19.50	19.25	19.38
68	NASDAQ	MKSI	Tue, Jul 6, 1999	19.25	19.50	18.50	19.38
67	NASDAQ	MKSI	Fri, Jul 2, 1999	19.13	19.81	18.75	19.44
66	NASDAQ	MKSI	Thu, Jul 1, 1999	18.88	19.00	17.75	18.13
65	NASDAQ	MKSI	Wed, Jun 30, 1999	19.00	19.25	17.88	18.63
64	NASDAQ	MKSI	Tue, Jun 29, 1999	19.00	19.06	17.50	18.50
63	NASDAQ	MKSI	Mon, Jun 28, 1999	17.63	19.63	17.50	19.00
62	NASDAQ	MKSI	Fri, Jun 25, 1999	17.75	17.75	16.75	17.25
61	NASDAQ	MKSI	Thu, Jun 24, 1999	17.38	18.13	17.13	17.75
60	NASDAQ	MKSI	Wed, Jun 23, 1999	18.88	19.50	17.50	17.94
59	NASDAQ	MKSI	Tue, Jun 22, 1999	18.50	19.63	18.50	19.00
58	NASDAQ	MKSI	Mon, Jun 21, 1999	17.25	18.88	17.13	18.88
57	NASDAQ	MKSI	Fri, Jun 18, 1999	16.88	17.50	16.75	17.50
56	NASDAQ	MKSI	Thu, Jun 17, 1999	15.94	16.88	15.94	16.88
55	NASDAQ	MKSI	Wed, Jun 16, 1999	17.50	17.50	15.63	15.88
54	NASDAQ	MKSI	Tue, Jun 15, 1999	19.50	19.50	17.25	17.25
53	NASDAQ	MKSI	Mon, Jun 14, 1999	19.75	19.75	18.75	19.06
52	NASDAQ	MKSI	Fri, Jun 11, 1999	18.75	19.50	18.50	19.38
51	NASDAQ	MKSI	Thu, Jun 10, 1999	17.00	18.75	16.75	18.69
50	NASDAQ	MKSI	Wed, Jun 9, 1999	16.88	17.00	16.63	16.63
49	NASDAQ	MKSI	Tue, Jun 8, 1999	16.38	16.75	16.38	16.50
48	NASDAQ	MKSI	Mon, Jun 7, 1999	16.25	16.63	16.25	16.50
47	NASDAQ	MKSI	Fri, Jun 4, 1999	15.25	18.00	15.25	16.25
46	NASDAQ	MKSI	Thu, Jun 3, 1999	15.25	15.50	15.13	15.50
45	NASDAQ	MKSI	Wed, Jun 2, 1999	15.00	15.38	14.75	15.13
44	NASDAQ	MKSI	Tue, Jun 1, 1999	15.38	15.38	14.81	15.22
43	NASDAQ	MKSI	Fri, May 28, 1999	14.88	15.25	14.88	15.25
42	NASDAQ	MKSI	Thu, May 27, 1999	14.63	15.25	14.63	14.88
41	NASDAQ	MKSI	Wed, May 26, 1999	15.00	15.00	14.63	14.63
40	NASDAQ	MKSI	Tue, May 25, 1999	14.75	15.38	14.75	15.38
39	NASDAQ	MKSI	Mon, May 24, 1999	15.13	15.38	14.75	14.75
38	NASDAQ	MKSI	Fri, May 21, 1999	15.13	15.44	15.13	15.38
37	NASDAQ	MKSI	Thu, May 20, 1999	15.44	15.44	15.13	15.44
36	NASDAQ	MKSI	Wed, May 19, 1999	14.38	15.63	14.25	15.25
35	NASDAQ	MKSI	Tue, May 18, 1999	14.13	14.25	14.00	14.13
34	NASDAQ	MKSI	Mon, May 17, 1999	14.38	14.38	14.00	14.13
33	NASDAQ	MKSI	Fri, May 14, 1999	14.88	15.13	14.50	14.50
32	NASDAQ	MKSI	Thu, May 13, 1999	15.50	15.50	15.00	15.00
31	NASDAQ	MKSI	Wed, May 12, 1999	13.25	15.38	13.06	15.00
30	NASDAQ	MKSI	Tue, May 11, 1999	12.63	13.75	12.63	13.25
29	NASDAQ	MKSI	Mon, May 10, 1999	13.13	13.13	12.63	12.88
28	NASDAQ	MKSI	Fri, May 7, 1999	13.00	13.00	12.75	13.00
27	NASDAQ	MKSI	Thu, May 6, 1999	12.75	13.13	12.75	12.75
26	NASDAQ	MKSI	Wed, May 5, 1999	13.25	13.25	12.00	12.63
25	NASDAQ	MKSI	Tue, May 4, 1999	13.50	14.13	13.00	13.25
24	NASDAQ	MKSI	Mon, May 3, 1999	14.00	14.00	13.56	13.56
23	NASDAQ	MKSI	Fri, Apr 30, 1999	13.88	14.13	13.63	13.63
22	NASDAQ	MKSI	Thu, Apr 29, 1999	15.13	15.13	13.50	13.81
21	NASDAQ	MKSI	Wed, Apr 28, 1999	16.75	16.75	14.75	14.75
20	NASDAQ	MKSI	Tue, Apr 27, 1999	16.75	17.00	15.38	17.00
19	NASDAQ	MKSI	Mon, Apr 26, 1999	15.25	16.75	14.88	16.75
18	NASDAQ	MKSI	Fri, Apr 23, 1999	14.00	14.75	13.88	14.63
17	NASDAQ	MKSI	Thu, Apr 22, 1999	13.50	14.00	13.25	13.50
16	NASDAQ	MKSI	Wed, Apr 21, 1999	12.00	13.63	12.00	13.00
15	NASDAQ	MKSI	Tue, Apr 20, 1999	12.00	12.19	12.00	12.00
14	NASDAQ	MKSI	Mon, Apr 19, 1999	12.13	12.38	12.00	12.00
13	NASDAQ	MKSI	Fri, Apr 16, 1999	12.13	12.13	12.06	12.13
12	NASDAQ	MKSI	Thu, Apr 15, 1999	12.00	12.13	11.88	12.00
11	NASDAQ	MKSI	Wed, Apr 14, 1999	13.25	13.25	11.88	12.00
10	NASDAQ	MKSI	Tue, Apr 13, 1999	13.50	13.50	13.25	13.25
9	NASDAQ	MKSI	Mon, Apr 12, 1999	13.63	13.63	13.50	13.50
8	NASDAQ	MKSI	Fri, Apr 9, 1999	14.00	14.13	13.63	13.63
7	NASDAQ	MKSI	Thu, Apr 8, 1999	14.00	14.00	14.00	14.00
6	NASDAQ	MKSI	Wed, Apr 7, 1999	13.56	14.13	13.56	14.00
5	NASDAQ	MKSI	Tue, Apr 6, 1999	13.50	13.75	13.50	13.63
4	NASDAQ	MKSI	Mon, Apr 5, 1999	13.63	13.63	13.19	13.50
3	NASDAQ	MKSI	Thu, Apr 1, 1999	13.38	13.75	13.38	13.50
2	NASDAQ	MKSI	Wed, Mar 31, 1999	14.13	14.13	13.38	13.38
1	NASDAQ	MKSI	Tue, Mar 30, 1999	14.06	14.50	13.63	14.06
#	Exchange	Symbol	Date	Open	High	Low	Close

MKS Instruments Inc NASDAQ:MKSI Historical Prices

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