MARKWEST ENERGY PARTNERS $68.38
-1.02
|
Date |
Open |
High |
Low |
Close |
Volume |
|
12/30/2010
|
42.93
|
43.45
|
42.93
|
43.31
|
1449
|
|
12/29/2010
|
42.80
|
43.25
|
42.74
|
42.91
|
1265
|
|
12/28/2010
|
42.50
|
42.79
|
42.45
|
42.73
|
1229
|
|
12/27/2010
|
42.44
|
42.58
|
42.13
|
42.51
|
938
|
|
12/23/2010
|
42.25
|
42.73
|
42.25
|
42.35
|
1574
|
|
12/22/2010
|
41.88
|
42.20
|
41.79
|
42.20
|
1828
|
|
12/21/2010
|
41.36
|
41.97
|
41.26
|
41.88
|
2061
|
|
12/20/2010
|
40.98
|
41.51
|
40.80
|
41.32
|
2737
|
|
12/17/2010
|
41.33
|
41.70
|
40.85
|
40.85
|
3885
|
|
12/16/2010
|
41.35
|
41.55
|
41.04
|
41.33
|
2362
|
|
12/15/2010
|
42.30
|
42.35
|
41.30
|
41.47
|
2940
|
|
12/14/2010
|
42.23
|
42.48
|
42.17
|
42.30
|
2537
|
|
12/13/2010
|
42.34
|
42.61
|
41.91
|
41.96
|
3034
|
|
12/10/2010
|
41.63
|
42.00
|
41.57
|
42.00
|
2480
|
|
12/9/2010
|
41.51
|
41.65
|
41.05
|
41.46
|
2954
|
|
12/8/2010
|
41.67
|
41.85
|
40.79
|
40.99
|
4032
|
|
12/7/2010
|
42.09
|
42.30
|
41.44
|
41.47
|
4133
|
|
12/6/2010
|
41.49
|
42.09
|
41.32
|
41.87
|
2451
|
|
12/3/2010
|
41.78
|
41.87
|
41.05
|
41.55
|
2959
|
|
12/2/2010
|
41.85
|
42.43
|
41.47
|
41.89
|
3945
|
|
12/1/2010
|
42.46
|
42.75
|
41.78
|
41.89
|
2930
|
|
11/30/2010
|
42.00
|
42.38
|
41.79
|
42.33
|
2073
|
|
11/29/2010
|
42.28
|
42.50
|
41.86
|
42.41
|
1703
|
|
11/26/2010
|
41.90
|
42.49
|
41.66
|
42.42
|
692
|
|
11/24/2010
|
42.45
|
42.50
|
41.99
|
42.09
|
2235
|
|
11/23/2010
|
41.82
|
42.29
|
41.44
|
42.29
|
2415
|
|
11/22/2010
|
42.29
|
42.50
|
41.62
|
42.07
|
2932
|
|
11/19/2010
|
42.24
|
42.58
|
42.00
|
42.54
|
2825
|
|
11/18/2010
|
42.25
|
42.90
|
42.19
|
42.49
|
2454
|
|
11/17/2010
|
41.69
|
42.04
|
41.41
|
41.93
|
2033
|
|
11/16/2010
|
42.80
|
42.85
|
40.85
|
41.82
|
5710
|
|
11/15/2010
|
42.65
|
43.33
|
42.60
|
43.05
|
2602
|
|
11/12/2010
|
42.32
|
42.93
|
42.16
|
42.54
|
4833
|
|
11/11/2010
|
41.55
|
42.21
|
41.36
|
42.19
|
2098
|
|
11/10/2010
|
41.48
|
42.00
|
41.14
|
41.81
|
2778
|
|
11/9/2010
|
40.69
|
41.45
|
40.69
|
41.42
|
3563
|
|
11/8/2010
|
40.46
|
41.10
|
40.26
|
41.10
|
2592
|
|
11/5/2010
|
40.02
|
40.48
|
39.75
|
40.48
|
4436
|
|
11/4/2010
|
39.34
|
40.44
|
39.06
|
39.90
|
4793
|
|
11/3/2010
|
39.00
|
39.59
|
38.83
|
39.59
|
4153
|
|
11/2/2010
|
38.83
|
38.93
|
38.29
|
38.93
|
4259
|
|
11/1/2010
|
38.09
|
38.48
|
38.06
|
38.41
|
2390
|
|
10/29/2010
|
37.72
|
38.13
|
37.65
|
38.12
|
3111
|
|
10/28/2010
|
37.35
|
37.82
|
37.02
|
37.60
|
1747
|
|
10/27/2010
|
37.40
|
37.72
|
37.07
|
37.16
|
1517
|
|
10/26/2010
|
37.70
|
37.77
|
37.24
|
37.42
|
2664
|
|
10/25/2010
|
37.82
|
38.03
|
37.65
|
37.69
|
1158
|
|
10/22/2010
|
37.69
|
37.80
|
37.45
|
37.61
|
1338
|
|
10/21/2010
|
37.77
|
38.01
|
37.27
|
37.69
|
1419
|
|
10/20/2010
|
37.46
|
37.94
|
37.46
|
37.62
|
1746
|
|
10/19/2010
|
37.22
|
37.67
|
37.00
|
37.23
|
2386
|
|
10/18/2010
|
37.27
|
37.51
|
36.72
|
37.46
|
2902
|
|
10/15/2010
|
38.04
|
38.21
|
37.70
|
37.85
|
1966
|
|
10/14/2010
|
38.40
|
38.82
|
37.85
|
38.05
|
2539
|
|
10/13/2010
|
38.16
|
38.48
|
38.14
|
38.40
|
3028
|
|
10/12/2010
|
38.06
|
38.20
|
37.72
|
38.14
|
2101
|
|
10/11/2010
|
37.65
|
38.11
|
37.59
|
38.06
|
2738
|
|
10/8/2010
|
37.68
|
37.70
|
37.19
|
37.65
|
2040
|
|
10/7/2010
|
36.61
|
37.88
|
36.37
|
37.88
|
2456
|
|
10/6/2010
|
36.83
|
37.11
|
36.56
|
36.70
|
1907
|
|
10/5/2010
|
36.71
|
37.05
|
36.67
|
36.92
|
2659
|
|
10/4/2010
|
36.14
|
36.49
|
36.07
|
36.49
|
2334
|
|
10/1/2010
|
36.00
|
36.20
|
35.70
|
36.13
|
1971
|
|
9/30/2010
|
35.90
|
35.99
|
35.59
|
35.92
|
2865
|
|
9/29/2010
|
35.31
|
35.83
|
35.30
|
35.75
|
2183
|
|
9/28/2010
|
35.30
|
35.49
|
35.08
|
35.49
|
2124
|
|
9/27/2010
|
35.00
|
35.40
|
34.99
|
35.29
|
1433
|
|
9/24/2010
|
35.06
|
35.17
|
34.86
|
35.01
|
1569
|
|
9/23/2010
|
34.80
|
35.15
|
34.72
|
34.91
|
1353
|
|
9/22/2010
|
34.89
|
35.17
|
34.88
|
34.95
|
1538
|
|
9/21/2010
|
34.70
|
35.00
|
34.65
|
34.89
|
1875
|
|
9/20/2010
|
34.52
|
34.97
|
34.33
|
34.84
|
1758
|
|
9/17/2010
|
34.57
|
34.67
|
34.25
|
34.25
|
2955
|
|
9/16/2010
|
34.74
|
34.82
|
34.55
|
34.60
|
2416
|
|
9/15/2010
|
35.00
|
35.22
|
34.51
|
34.69
|
2773
|
|
9/14/2010
|
35.07
|
35.30
|
35.00
|
35.17
|
1799
|
|
9/13/2010
|
35.05
|
35.24
|
34.85
|
35.04
|
2890
|
|
9/10/2010
|
35.00
|
35.00
|
34.85
|
34.98
|
1564
|
|
9/9/2010
|
34.83
|
34.97
|
34.73
|
34.94
|
1516
|
|
9/8/2010
|
34.46
|
34.79
|
34.19
|
34.60
|
2226
|
|
9/7/2010
|
34.00
|
34.41
|
33.65
|
34.16
|
2014
|
|
9/3/2010
|
34.25
|
34.37
|
33.80
|
33.92
|
2889
|
|
9/2/2010
|
33.67
|
34.13
|
33.47
|
33.82
|
2606
|
|
9/1/2010
|
33.69
|
34.01
|
33.46
|
33.67
|
2800
|
|
8/31/2010
|
34.05
|
34.05
|
33.28
|
33.32
|
4026
|
|
8/30/2010
|
34.45
|
34.60
|
33.80
|
33.87
|
2342
|
|
8/27/2010
|
34.36
|
34.78
|
34.28
|
34.50
|
3104
|
|
8/26/2010
|
34.44
|
34.75
|
34.25
|
34.47
|
2144
|
|
8/25/2010
|
33.67
|
34.43
|
33.50
|
34.31
|
3703
|
|
8/24/2010
|
33.99
|
34.39
|
33.57
|
34.03
|
4817
|
|
8/23/2010
|
34.36
|
34.83
|
34.28
|
34.38
|
2232
|
|
8/20/2010
|
34.44
|
34.62
|
33.83
|
34.49
|
3081
|
|
8/19/2010
|
34.82
|
34.93
|
34.33
|
34.69
|
2799
|
|
8/18/2010
|
34.85
|
35.01
|
34.39
|
34.85
|
2169
|
|
8/17/2010
|
35.08
|
35.19
|
34.76
|
34.86
|
2617
|
|
8/16/2010
|
34.68
|
34.85
|
34.49
|
34.80
|
2419
|
|
8/13/2010
|
33.76
|
34.76
|
33.76
|
34.49
|
3235
|
|
8/12/2010
|
32.50
|
33.90
|
32.50
|
33.32
|
4435
|
|
8/11/2010
|
34.20
|
34.25
|
32.57
|
32.96
|
7124
|
|
8/10/2010
|
34.98
|
34.98
|
34.17
|
34.38
|
3847
|