MARKWEST ENERGY PARTNERS $68.87
-0.53
|
Date |
Open |
High |
Low |
Close |
Volume |
|
3/13/2012
|
59.43
|
59.88
|
59.31
|
59.80
|
53624
|
|
3/12/2012
|
61.46
|
61.59
|
61.20
|
61.52
|
5100
|
|
3/9/2012
|
60.96
|
61.60
|
60.86
|
61.47
|
4744
|
|
3/8/2012
|
60.94
|
60.97
|
60.35
|
60.73
|
2777
|
|
3/7/2012
|
60.16
|
60.89
|
60.16
|
60.70
|
4712
|
|
3/6/2012
|
60.06
|
60.45
|
59.76
|
60.16
|
4546
|
|
3/5/2012
|
59.89
|
60.54
|
59.59
|
60.33
|
4038
|
|
3/2/2012
|
59.76
|
59.90
|
59.35
|
59.72
|
3715
|
|
3/1/2012
|
60.22
|
60.49
|
59.47
|
59.68
|
3797
|
|
2/29/2012
|
59.00
|
59.93
|
58.97
|
59.81
|
5770
|
|
2/28/2012
|
60.00
|
60.73
|
59.82
|
60.56
|
5009
|
|
2/27/2012
|
59.96
|
60.25
|
59.75
|
60.00
|
3837
|
|
2/24/2012
|
59.23
|
60.08
|
59.02
|
60.00
|
3550
|
|
2/23/2012
|
59.16
|
59.69
|
59.01
|
59.52
|
2545
|
|
2/22/2012
|
59.55
|
59.55
|
58.49
|
59.28
|
4444
|
|
2/21/2012
|
59.05
|
59.47
|
58.83
|
59.28
|
4292
|
|
2/17/2012
|
58.62
|
59.58
|
58.57
|
59.02
|
5876
|
|
2/16/2012
|
58.74
|
59.01
|
57.97
|
58.64
|
5751
|
|
2/15/2012
|
58.93
|
58.95
|
58.06
|
58.74
|
6949
|
|
2/14/2012
|
59.39
|
59.50
|
58.53
|
58.96
|
5191
|
|
2/13/2012
|
60.06
|
60.34
|
59.28
|
59.56
|
6734
|
|
2/10/2012
|
59.64
|
59.97
|
59.38
|
59.80
|
4375
|
|
2/9/2012
|
59.64
|
60.40
|
59.41
|
59.88
|
3841
|
|
2/8/2012
|
58.79
|
59.28
|
58.69
|
59.25
|
3959
|
|
2/7/2012
|
58.60
|
58.61
|
58.03
|
58.60
|
2696
|
|
2/6/2012
|
58.70
|
58.75
|
58.15
|
58.49
|
3111
|
|
2/3/2012
|
58.28
|
58.81
|
58.15
|
58.70
|
2616
|
|
2/2/2012
|
57.53
|
58.66
|
57.50
|
58.09
|
4026
|
|
2/1/2012
|
58.36
|
59.02
|
58.20
|
58.76
|
5350
|
|
1/31/2012
|
57.73
|
58.04
|
57.70
|
57.96
|
7038
|
|
1/30/2012
|
57.14
|
57.67
|
56.45
|
57.62
|
3678
|
|
1/27/2012
|
57.50
|
58.00
|
57.03
|
57.35
|
3840
|
|
1/26/2012
|
57.72
|
58.33
|
57.21
|
57.53
|
5146
|
|
1/25/2012
|
56.81
|
57.99
|
56.81
|
57.89
|
4192
|
|
1/24/2012
|
56.87
|
57.45
|
56.70
|
57.13
|
3854
|
|
1/23/2012
|
56.62
|
57.25
|
56.49
|
57.19
|
3990
|
|
1/20/2012
|
56.80
|
56.80
|
56.10
|
56.69
|
4259
|
|
1/19/2012
|
56.15
|
56.75
|
56.00
|
56.53
|
4584
|
|
1/18/2012
|
56.20
|
56.64
|
56.06
|
56.19
|
4383
|
|
1/17/2012
|
56.34
|
56.50
|
55.73
|
56.39
|
4389
|
|
1/13/2012
|
55.09
|
56.20
|
54.85
|
56.20
|
7191
|
|
1/12/2012
|
54.50
|
54.99
|
54.17
|
54.85
|
4690
|
|
1/11/2012
|
54.26
|
54.57
|
53.81
|
54.17
|
4413
|
|
1/10/2012
|
55.25
|
55.25
|
54.20
|
54.38
|
6060
|
|
1/9/2012
|
55.00
|
55.24
|
53.51
|
55.16
|
4531
|
|
1/6/2012
|
55.32
|
55.32
|
54.43
|
54.94
|
4898
|
|
1/5/2012
|
54.64
|
55.00
|
54.48
|
55.00
|
4669
|
|
1/4/2012
|
54.38
|
54.85
|
54.14
|
54.54
|
4593
|
|
1/3/2012
|
55.33
|
55.36
|
54.14
|
54.29
|
5642
|
|
12/30/2011
|
54.80
|
55.11
|
54.35
|
55.06
|
3895
|
|
12/29/2011
|
53.90
|
55.00
|
53.78
|
54.98
|
5146
|
|
12/28/2011
|
54.25
|
54.25
|
53.75
|
54.15
|
2544
|
|
12/27/2011
|
54.33
|
54.45
|
53.96
|
54.23
|
3336
|
|
12/23/2011
|
54.19
|
54.33
|
53.90
|
54.24
|
3219
|
|
12/22/2011
|
53.97
|
54.22
|
53.81
|
53.91
|
4034
|
|
12/21/2011
|
53.97
|
54.17
|
53.70
|
54.04
|
5222
|
|
12/20/2011
|
54.04
|
54.25
|
53.66
|
53.91
|
6957
|
|
12/19/2011
|
53.87
|
54.15
|
53.51
|
53.66
|
4788
|
|
12/16/2011
|
54.00
|
54.11
|
53.57
|
53.80
|
12133
|
|
12/15/2011
|
53.36
|
53.87
|
52.70
|
53.69
|
15760
|
|
12/14/2011
|
53.95
|
54.15
|
53.25
|
53.25
|
86413
|
|
12/13/2011
|
54.73
|
55.86
|
54.30
|
54.74
|
30211
|
|
12/12/2011
|
55.88
|
56.15
|
55.38
|
56.11
|
2541
|
|
12/9/2011
|
56.31
|
56.82
|
55.48
|
56.07
|
3241
|
|
12/8/2011
|
55.96
|
56.29
|
55.71
|
56.07
|
3259
|
|
12/7/2011
|
55.96
|
56.40
|
55.54
|
56.08
|
3748
|
|
12/6/2011
|
56.03
|
56.26
|
54.90
|
55.76
|
3391
|
|
12/5/2011
|
54.75
|
55.38
|
54.75
|
54.86
|
3675
|
|
12/2/2011
|
54.01
|
54.70
|
53.87
|
54.22
|
3781
|
|
12/1/2011
|
53.42
|
53.90
|
53.40
|
53.63
|
5718
|
|
11/30/2011
|
54.67
|
54.93
|
53.40
|
53.64
|
6557
|
|
11/29/2011
|
53.36
|
53.76
|
53.16
|
53.50
|
4107
|
|
11/28/2011
|
53.75
|
53.98
|
53.00
|
53.11
|
3506
|
|
11/25/2011
|
52.12
|
53.07
|
52.07
|
53.01
|
1581
|
|
11/23/2011
|
52.72
|
53.04
|
52.22
|
52.31
|
3510
|
|
11/22/2011
|
52.96
|
53.02
|
52.08
|
52.95
|
3609
|
|
11/21/2011
|
52.02
|
53.07
|
51.63
|
53.05
|
6486
|
|
11/18/2011
|
52.03
|
52.34
|
51.36
|
52.26
|
3550
|
|
11/17/2011
|
52.21
|
52.52
|
50.92
|
51.66
|
4623
|
|
11/16/2011
|
51.49
|
52.92
|
51.25
|
52.18
|
4685
|
|
11/15/2011
|
51.07
|
51.73
|
51.02
|
51.50
|
4283
|
|
11/14/2011
|
50.78
|
51.59
|
50.25
|
51.32
|
5979
|
|
11/11/2011
|
50.20
|
50.23
|
49.56
|
49.82
|
4264
|
|
11/10/2011
|
49.80
|
50.40
|
49.32
|
49.85
|
3468
|
|
11/9/2011
|
48.96
|
50.40
|
48.96
|
49.30
|
4013
|
|
11/8/2011
|
50.90
|
51.00
|
49.71
|
50.33
|
4988
|
|
11/7/2011
|
50.40
|
50.45
|
49.81
|
50.11
|
2904
|
|
11/4/2011
|
49.89
|
50.48
|
49.13
|
50.45
|
3640
|
|
11/3/2011
|
49.63
|
50.20
|
49.03
|
49.92
|
5564
|
|
11/2/2011
|
50.15
|
50.81
|
49.87
|
50.36
|
7626
|
|
11/1/2011
|
48.94
|
49.50
|
48.62
|
49.44
|
4655
|
|
10/31/2011
|
49.96
|
50.04
|
49.58
|
49.83
|
2636
|
|
10/28/2011
|
49.00
|
50.44
|
48.90
|
50.20
|
3872
|
|
10/27/2011
|
49.18
|
49.96
|
48.75
|
49.18
|
5560
|
|
10/26/2011
|
48.01
|
48.65
|
47.76
|
48.32
|
3465
|
|
10/25/2011
|
48.28
|
48.63
|
47.41
|
47.82
|
4943
|
|
10/24/2011
|
47.94
|
48.48
|
47.72
|
48.32
|
7803
|
|
10/21/2011
|
47.75
|
48.00
|
47.26
|
47.82
|
4861
|
|
10/20/2011
|
46.93
|
47.54
|
46.50
|
47.41
|
4038
|
|
10/19/2011
|
47.47
|
47.75
|
46.62
|
46.76
|
5992
|