MARKWEST ENERGY PARTNERS $68.32
-0.55
|
Date |
Open |
High |
Low |
Close |
Volume |
|
5/26/2011
|
46.72
|
47.09
|
46.55
|
46.89
|
1400
|
|
5/25/2011
|
45.99
|
47.16
|
45.91
|
46.77
|
2295
|
|
5/24/2011
|
46.43
|
46.99
|
46.02
|
46.14
|
2908
|
|
5/23/2011
|
46.26
|
46.26
|
45.40
|
46.13
|
3146
|
|
5/20/2011
|
45.67
|
46.58
|
45.25
|
46.55
|
3840
|
|
5/19/2011
|
44.72
|
45.59
|
44.43
|
45.53
|
5367
|
|
5/18/2011
|
43.28
|
44.55
|
43.15
|
44.36
|
4535
|
|
5/17/2011
|
43.14
|
43.89
|
42.80
|
42.95
|
6780
|
|
5/16/2011
|
45.00
|
45.40
|
43.83
|
43.90
|
3661
|
|
5/13/2011
|
44.92
|
45.63
|
44.11
|
44.90
|
4595
|
|
5/12/2011
|
44.90
|
45.01
|
43.16
|
44.91
|
5580
|
|
5/11/2011
|
46.29
|
46.53
|
44.55
|
45.10
|
6718
|
|
5/10/2011
|
46.96
|
47.67
|
46.07
|
46.36
|
3405
|
|
5/9/2011
|
47.58
|
47.65
|
46.66
|
46.96
|
3303
|
|
5/6/2011
|
46.50
|
48.12
|
46.46
|
47.24
|
3923
|
|
5/5/2011
|
46.92
|
47.08
|
45.30
|
46.46
|
5507
|
|
5/4/2011
|
48.68
|
48.68
|
46.03
|
47.43
|
6260
|
|
5/3/2011
|
50.00
|
50.00
|
48.17
|
48.68
|
4449
|
|
5/2/2011
|
51.11
|
51.32
|
49.73
|
50.18
|
2660
|
|
4/29/2011
|
51.11
|
51.38
|
50.61
|
50.99
|
1870
|
|
4/28/2011
|
51.03
|
51.17
|
50.57
|
51.03
|
2736
|
|
4/27/2011
|
50.89
|
51.70
|
50.00
|
51.53
|
2489
|
|
4/26/2011
|
50.91
|
51.27
|
50.62
|
50.81
|
2023
|
|
4/25/2011
|
50.75
|
51.00
|
50.37
|
50.87
|
2019
|
|
4/21/2011
|
49.81
|
50.88
|
49.81
|
50.16
|
2257
|
|
4/20/2011
|
49.80
|
50.09
|
49.56
|
49.73
|
2288
|
|
4/19/2011
|
49.34
|
49.59
|
49.16
|
49.32
|
1212
|
|
4/18/2011
|
49.37
|
49.37
|
48.25
|
48.97
|
2036
|
|
4/15/2011
|
49.12
|
49.50
|
48.91
|
49.50
|
1100
|
|
4/14/2011
|
48.99
|
49.44
|
48.87
|
49.14
|
1771
|
|
4/13/2011
|
49.08
|
49.59
|
48.84
|
49.16
|
1516
|
|
4/12/2011
|
49.11
|
49.37
|
48.21
|
49.08
|
5062
|
|
4/11/2011
|
49.54
|
49.89
|
49.21
|
49.61
|
2360
|
|
4/8/2011
|
49.96
|
50.72
|
49.43
|
49.52
|
3493
|
|
4/7/2011
|
49.66
|
49.88
|
49.51
|
49.71
|
2527
|
|
4/6/2011
|
49.96
|
50.00
|
49.40
|
49.46
|
5991
|
|
4/5/2011
|
48.58
|
49.05
|
48.18
|
49.04
|
2842
|
|
4/4/2011
|
48.50
|
49.04
|
48.44
|
48.58
|
1688
|
|
4/1/2011
|
48.77
|
49.44
|
48.30
|
48.43
|
2116
|
|
3/31/2011
|
47.91
|
48.50
|
47.91
|
48.47
|
3138
|
|
3/30/2011
|
47.24
|
47.91
|
47.24
|
47.82
|
1460
|
|
3/29/2011
|
47.42
|
47.70
|
47.16
|
47.20
|
2030
|
|
3/28/2011
|
47.35
|
47.91
|
47.22
|
47.53
|
2643
|
|
3/25/2011
|
46.98
|
47.56
|
46.91
|
47.39
|
1982
|
|
3/24/2011
|
46.37
|
46.90
|
46.37
|
46.87
|
1956
|
|
3/23/2011
|
46.14
|
46.62
|
45.86
|
46.14
|
2326
|
|
3/22/2011
|
46.08
|
46.30
|
45.85
|
46.19
|
2763
|
|
3/21/2011
|
45.00
|
46.03
|
45.00
|
46.00
|
3082
|
|
3/18/2011
|
44.57
|
44.98
|
44.45
|
44.83
|
5554
|
|
3/17/2011
|
44.02
|
44.40
|
43.90
|
44.22
|
2682
|
|
3/16/2011
|
42.92
|
44.11
|
42.72
|
43.53
|
2830
|
|
3/15/2011
|
42.03
|
43.13
|
42.00
|
42.79
|
3902
|
|
3/14/2011
|
43.23
|
43.77
|
42.44
|
42.86
|
3176
|
|
3/11/2011
|
42.40
|
43.61
|
41.93
|
43.49
|
3407
|
|
3/10/2011
|
44.77
|
44.92
|
43.20
|
43.48
|
5426
|
|
3/9/2011
|
45.44
|
45.84
|
44.69
|
44.82
|
2546
|
|
3/8/2011
|
45.37
|
45.73
|
45.04
|
45.58
|
3055
|
|
3/7/2011
|
45.62
|
46.19
|
45.11
|
45.56
|
1812
|
|
3/4/2011
|
45.85
|
46.01
|
45.49
|
45.54
|
2302
|
|
3/3/2011
|
46.10
|
46.17
|
45.55
|
45.67
|
2432
|
|
3/2/2011
|
45.47
|
45.57
|
45.10
|
45.57
|
1827
|
|
3/1/2011
|
45.30
|
45.96
|
44.90
|
45.14
|
3983
|
|
2/28/2011
|
44.80
|
44.90
|
44.30
|
44.90
|
3428
|
|
2/25/2011
|
44.00
|
44.87
|
43.97
|
44.70
|
3087
|
|
2/24/2011
|
43.93
|
44.41
|
43.80
|
43.96
|
2708
|
|
2/23/2011
|
44.16
|
44.53
|
43.36
|
44.03
|
2370
|
|
2/22/2011
|
43.72
|
44.51
|
43.65
|
43.99
|
2775
|
|
2/18/2011
|
43.71
|
44.33
|
43.71
|
44.05
|
2518
|
|
2/17/2011
|
43.85
|
43.96
|
43.61
|
43.70
|
2228
|
|
2/16/2011
|
43.93
|
43.95
|
43.50
|
43.85
|
1804
|
|
2/15/2011
|
43.40
|
43.80
|
42.90
|
43.80
|
2046
|
|
2/14/2011
|
42.42
|
43.35
|
42.38
|
43.31
|
3688
|
|
2/11/2011
|
42.12
|
42.21
|
41.91
|
42.12
|
1888
|
|
2/10/2011
|
42.12
|
42.49
|
42.10
|
42.19
|
1419
|
|
2/9/2011
|
42.46
|
42.81
|
42.19
|
42.28
|
2259
|
|
2/8/2011
|
42.44
|
42.50
|
42.12
|
42.40
|
2650
|
|
2/7/2011
|
42.65
|
42.80
|
42.25
|
42.55
|
2477
|
|
2/4/2011
|
42.92
|
43.20
|
42.58
|
42.65
|
1614
|
|
2/3/2011
|
43.16
|
43.33
|
42.60
|
43.00
|
2369
|
|
2/2/2011
|
43.74
|
44.17
|
43.60
|
43.90
|
1987
|
|
2/1/2011
|
43.74
|
44.06
|
43.54
|
43.61
|
5977
|
|
1/31/2011
|
42.94
|
43.57
|
42.85
|
43.57
|
2783
|
|
1/28/2011
|
42.81
|
42.91
|
42.45
|
42.85
|
2565
|
|
1/27/2011
|
42.78
|
42.99
|
42.38
|
42.59
|
1912
|
|
1/26/2011
|
42.23
|
42.58
|
41.90
|
42.54
|
3209
|
|
1/25/2011
|
42.30
|
42.43
|
41.54
|
42.15
|
1515
|
|
1/24/2011
|
41.38
|
42.35
|
41.38
|
42.30
|
1677
|
|
1/21/2011
|
41.83
|
42.00
|
41.43
|
41.62
|
1773
|
|
1/20/2011
|
42.23
|
42.23
|
40.80
|
41.63
|
6632
|
|
1/19/2011
|
42.84
|
42.84
|
42.07
|
42.43
|
2673
|
|
1/18/2011
|
42.91
|
42.99
|
42.67
|
42.77
|
1323
|
|
1/14/2011
|
42.93
|
43.00
|
42.66
|
42.86
|
1726
|
|
1/13/2011
|
42.50
|
43.00
|
42.50
|
43.00
|
2394
|
|
1/12/2011
|
43.09
|
43.13
|
42.50
|
42.80
|
2866
|
|
1/11/2011
|
41.48
|
43.14
|
41.38
|
43.00
|
29833
|
|
1/10/2011
|
42.78
|
42.95
|
42.47
|
42.69
|
2266
|
|
1/7/2011
|
42.65
|
43.00
|
42.37
|
42.80
|
1548
|
|
1/6/2011
|
42.92
|
43.15
|
42.35
|
42.50
|
2363
|
|
1/5/2011
|
43.47
|
43.62
|
42.10
|
42.35
|
4428
|
|
1/4/2011
|
45.14
|
45.14
|
43.27
|
43.33
|
4930
|