MARKWEST ENERGY PARTNERS $68.87
-0.53
|
Date |
Open |
High |
Low |
Close |
Volume |
|
10/18/2011
|
46.50
|
47.32
|
46.19
|
47.09
|
6407
|
|
10/17/2011
|
46.47
|
47.20
|
45.99
|
46.21
|
6164
|
|
10/14/2011
|
45.95
|
46.52
|
45.76
|
46.46
|
5355
|
|
10/13/2011
|
45.59
|
45.97
|
45.41
|
45.97
|
6614
|
|
10/12/2011
|
45.73
|
45.90
|
45.41
|
45.61
|
9428
|
|
10/11/2011
|
45.30
|
45.93
|
45.30
|
45.73
|
19736
|
|
10/10/2011
|
45.11
|
45.35
|
44.83
|
45.27
|
8186
|
|
10/7/2011
|
45.32
|
45.44
|
44.48
|
44.90
|
44501
|
|
10/6/2011
|
46.00
|
47.25
|
45.27
|
46.98
|
2160
|
|
10/5/2011
|
45.77
|
46.28
|
45.04
|
45.93
|
2732
|
|
10/4/2011
|
45.27
|
45.73
|
42.18
|
45.65
|
6441
|
|
10/3/2011
|
45.32
|
46.31
|
45.00
|
45.96
|
4309
|
|
9/30/2011
|
46.66
|
47.70
|
45.84
|
45.95
|
2236
|
|
9/29/2011
|
47.75
|
47.75
|
46.14
|
47.10
|
1682
|
|
9/28/2011
|
48.10
|
48.35
|
46.53
|
46.62
|
1971
|
|
9/27/2011
|
48.13
|
48.66
|
47.85
|
48.19
|
2206
|
|
9/26/2011
|
46.80
|
47.38
|
46.00
|
47.36
|
1797
|
|
9/23/2011
|
46.77
|
47.34
|
46.15
|
46.57
|
5100
|
|
9/22/2011
|
46.91
|
48.24
|
46.45
|
47.14
|
3839
|
|
9/21/2011
|
48.57
|
48.98
|
48.19
|
48.57
|
2706
|
|
9/20/2011
|
48.91
|
49.70
|
48.37
|
48.80
|
3988
|
|
9/19/2011
|
47.02
|
48.79
|
46.63
|
48.75
|
5905
|
|
9/16/2011
|
48.02
|
48.21
|
46.45
|
47.20
|
6623
|
|
9/15/2011
|
48.05
|
48.06
|
47.45
|
48.05
|
2376
|
|
9/14/2011
|
47.12
|
48.05
|
46.18
|
47.68
|
1654
|
|
9/13/2011
|
46.88
|
47.29
|
46.36
|
47.04
|
1992
|
|
9/12/2011
|
45.54
|
46.90
|
45.54
|
46.81
|
2899
|
|
9/9/2011
|
47.66
|
48.05
|
47.07
|
47.24
|
2167
|
|
9/8/2011
|
47.40
|
48.16
|
47.30
|
48.02
|
2568
|
|
9/7/2011
|
47.26
|
47.61
|
46.96
|
47.60
|
4201
|
|
9/6/2011
|
44.69
|
46.22
|
44.51
|
46.12
|
2224
|
|
9/2/2011
|
46.31
|
46.85
|
45.65
|
46.73
|
2821
|
|
9/1/2011
|
48.14
|
48.25
|
47.00
|
47.38
|
3304
|
|
8/31/2011
|
46.98
|
48.51
|
46.98
|
48.05
|
5036
|
|
8/30/2011
|
46.01
|
47.32
|
46.00
|
46.86
|
2820
|
|
8/29/2011
|
45.77
|
46.33
|
45.54
|
46.33
|
2080
|
|
8/26/2011
|
43.77
|
45.23
|
43.47
|
45.13
|
1815
|
|
8/25/2011
|
44.17
|
44.50
|
43.39
|
43.91
|
1938
|
|
8/24/2011
|
43.67
|
44.38
|
43.25
|
44.10
|
1778
|
|
8/23/2011
|
43.06
|
43.97
|
42.69
|
43.67
|
4284
|
|
8/22/2011
|
45.28
|
45.73
|
42.49
|
42.69
|
5323
|
|
8/19/2011
|
44.95
|
46.06
|
44.49
|
44.76
|
3268
|
|
8/18/2011
|
46.39
|
46.44
|
45.15
|
45.62
|
5700
|
|
8/17/2011
|
46.73
|
47.74
|
46.49
|
47.49
|
2634
|
|
8/16/2011
|
47.15
|
47.29
|
45.60
|
46.68
|
3971
|
|
8/15/2011
|
46.89
|
47.75
|
46.89
|
47.33
|
3581
|
|
8/12/2011
|
46.46
|
47.45
|
45.86
|
46.42
|
4171
|
|
8/11/2011
|
44.91
|
46.22
|
44.01
|
45.89
|
6996
|
|
8/10/2011
|
43.94
|
46.60
|
43.51
|
44.55
|
7417
|
|
8/9/2011
|
41.34
|
45.09
|
40.75
|
44.45
|
7556
|
|
8/8/2011
|
42.56
|
42.56
|
39.00
|
40.88
|
15028
|
|
8/5/2011
|
44.19
|
44.42
|
40.86
|
43.91
|
9154
|
|
8/4/2011
|
45.63
|
45.63
|
43.77
|
44.20
|
6414
|
|
8/3/2011
|
46.08
|
46.49
|
44.29
|
46.12
|
4161
|
|
8/2/2011
|
45.94
|
46.40
|
45.54
|
45.89
|
2182
|
|
8/1/2011
|
46.74
|
47.11
|
46.16
|
46.34
|
2924
|
|
7/29/2011
|
45.55
|
46.55
|
45.00
|
46.36
|
2972
|
|
7/28/2011
|
45.52
|
46.41
|
44.64
|
46.07
|
4040
|
|
7/27/2011
|
47.49
|
47.70
|
46.30
|
46.50
|
5058
|
|
7/26/2011
|
48.18
|
48.18
|
47.50
|
47.67
|
2678
|
|
7/25/2011
|
48.38
|
48.40
|
47.83
|
48.12
|
2291
|
|
7/22/2011
|
48.50
|
48.69
|
48.27
|
48.58
|
2259
|
|
7/21/2011
|
48.31
|
48.48
|
47.96
|
48.39
|
2409
|
|
7/20/2011
|
48.60
|
48.60
|
48.02
|
48.18
|
1616
|
|
7/19/2011
|
48.06
|
48.81
|
47.90
|
48.34
|
4938
|
|
7/18/2011
|
47.72
|
47.92
|
47.53
|
47.92
|
2192
|
|
7/15/2011
|
47.95
|
48.20
|
47.81
|
48.00
|
3848
|
|
7/14/2011
|
47.81
|
47.87
|
47.40
|
47.80
|
3627
|
|
7/13/2011
|
47.84
|
48.00
|
47.34
|
47.79
|
4021
|
|
7/12/2011
|
47.70
|
47.95
|
47.61
|
47.84
|
2444
|
|
7/11/2011
|
47.80
|
48.13
|
47.62
|
47.92
|
3008
|
|
7/8/2011
|
47.60
|
48.33
|
47.60
|
48.30
|
32861
|
|
7/7/2011
|
49.50
|
50.06
|
49.46
|
49.67
|
2056
|
|
7/6/2011
|
48.85
|
49.31
|
48.55
|
49.27
|
1712
|
|
7/5/2011
|
48.89
|
49.06
|
48.58
|
48.88
|
864
|
|
7/1/2011
|
48.06
|
49.01
|
47.64
|
48.81
|
1753
|
|
6/30/2011
|
48.15
|
48.69
|
47.96
|
48.24
|
1657
|
|
6/29/2011
|
47.92
|
48.19
|
47.29
|
48.08
|
1537
|
|
6/28/2011
|
46.75
|
47.76
|
46.75
|
47.68
|
1282
|
|
6/27/2011
|
46.43
|
46.99
|
46.42
|
46.80
|
1855
|
|
6/24/2011
|
46.47
|
47.16
|
46.04
|
46.42
|
1699
|
|
6/23/2011
|
45.93
|
46.56
|
44.82
|
46.51
|
1868
|
|
6/22/2011
|
45.99
|
46.65
|
45.91
|
46.41
|
2705
|
|
6/21/2011
|
45.21
|
46.07
|
45.15
|
45.96
|
2830
|
|
6/20/2011
|
44.55
|
45.20
|
44.37
|
44.96
|
1567
|
|
6/17/2011
|
45.68
|
45.83
|
44.46
|
44.92
|
5275
|
|
6/16/2011
|
46.39
|
46.55
|
45.35
|
45.60
|
2823
|
|
6/15/2011
|
46.45
|
47.20
|
45.89
|
46.64
|
2283
|
|
6/14/2011
|
47.26
|
47.26
|
46.25
|
46.86
|
3311
|
|
6/10/2011
|
46.73
|
47.79
|
46.68
|
47.67
|
3195
|
|
6/9/2011
|
46.27
|
46.97
|
46.17
|
46.91
|
2798
|
|
6/8/2011
|
46.00
|
46.69
|
45.35
|
46.19
|
2449
|
|
6/7/2011
|
45.87
|
46.26
|
45.48
|
46.02
|
2022
|
|
6/6/2011
|
46.84
|
46.88
|
45.47
|
45.74
|
3052
|
|
6/3/2011
|
46.98
|
47.47
|
46.72
|
46.99
|
1959
|
|
6/2/2011
|
47.29
|
47.98
|
47.00
|
47.43
|
2999
|
|
6/1/2011
|
47.52
|
47.55
|
46.98
|
47.15
|
5815
|
|
5/31/2011
|
47.64
|
47.99
|
46.97
|
47.52
|
2077
|
|
5/27/2011
|
47.14
|
47.46
|
46.87
|
47.34
|
1416
|
|
5/26/2011
|
46.72
|
47.09
|
46.55
|
46.89
|
1400
|