Closing price on 8/23/2010
|
|
Open |
30.00 |
High |
30.00 |
Low |
28.10 |
Volume |
51,200 |
Split-adjusted Price |
6.63 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
8/23/2010
|
-2.10 / -6.95%
|
30.00
|
30.00
|
28.10
|
28.10
|
29.52
|
6.63
|
51,200
|
|
8/20/2010
|
+0.30 / +1.00%
|
29.80
|
30.50
|
29.00
|
30.20
|
29.90
|
7.12
|
166,800
|
|
8/19/2010
|
+0.10 / +0.34%
|
29.90
|
30.50
|
29.80
|
29.90
|
29.99
|
7.05
|
103,200
|
|
8/18/2010
|
+0.30 / +1.02%
|
29.70
|
31.10
|
29.00
|
29.80
|
29.88
|
7.03
|
103,400
|
|
8/17/2010
|
+0.30 / +1.03%
|
30.00
|
30.00
|
28.50
|
29.50
|
29.29
|
6.96
|
56,000
|
|
8/16/2010
|
+0.70 / +2.46%
|
29.30
|
29.40
|
29.00
|
29.20
|
29.18
|
6.89
|
115,100
|
|
8/13/2010
|
-0.30 / -1.04%
|
28.00
|
28.50
|
26.50
|
28.50
|
27.84
|
6.72
|
100,000
|
|
8/12/2010
|
-1.40 / -4.64%
|
30.50
|
30.50
|
27.70
|
28.80
|
28.19
|
6.79
|
53,600
|
|
8/11/2010
|
+1.90 / +6.71%
|
30.20
|
30.20
|
28.60
|
30.20
|
29.67
|
7.12
|
142,500
|
|
8/10/2010
|
-10.70 / -27.44%
|
28.30
|
28.30
|
28.30
|
28.30
|
28.30
|
6.67
|
4,800
|
|
8/9/2010
|
-3.00 / -7.14%
|
39.50
|
39.50
|
38.50
|
39.00
|
38.85
|
6.27
|
30,000
|
|
8/6/2010
|
+1.30 / +3.19%
|
39.50
|
42.00
|
38.10
|
42.00
|
40.62
|
6.75
|
146,300
|
|
8/5/2010
|
+0.70 / +1.75%
|
38.80
|
40.70
|
38.70
|
40.70
|
40.00
|
6.54
|
71,900
|
|
8/4/2010
|
-2.90 / -6.76%
|
40.00
|
40.90
|
39.00
|
40.00
|
39.83
|
6.43
|
46,400
|
|
8/3/2010
|
+1.30 / +3.13%
|
44.50
|
44.50
|
38.70
|
42.90
|
40.19
|
6.89
|
190,200
|
|
8/2/2010
|
+2.70 / +6.94%
|
41.60
|
41.60
|
41.40
|
41.60
|
41.58
|
6.68
|
139,800
|
|
7/30/2010
|
+2.40 / +6.58%
|
38.90
|
38.90
|
38.90
|
38.90
|
38.90
|
6.25
|
16,900
|
|
7/29/2010
|
+1.50 / +4.29%
|
34.80
|
36.50
|
34.80
|
36.50
|
36.36
|
5.86
|
29,100
|
|
7/28/2010
|
+0.80 / +2.34%
|
34.00
|
35.00
|
33.90
|
35.00
|
34.24
|
5.62
|
133,000
|
|
7/27/2010
|
+0.20 / +0.59%
|
35.00
|
35.00
|
34.00
|
34.20
|
34.05
|
5.50
|
26,200
|
|
7/26/2010
|
-0.20 / -0.58%
|
34.20
|
34.20
|
33.10
|
34.00
|
34.00
|
5.46
|
35,800
|
|
7/23/2010
|
+0.70 / +2.09%
|
34.00
|
34.50
|
33.80
|
34.20
|
34.09
|
5.50
|
33,300
|
|
7/22/2010
|
-0.40 / -1.18%
|
33.40
|
34.00
|
33.30
|
33.50
|
33.68
|
5.38
|
35,300
|
|
7/21/2010
|
+1.00 / +3.04%
|
33.00
|
33.90
|
33.00
|
33.90
|
33.40
|
5.45
|
49,400
|
|
7/20/2010
|
-0.10 / -0.30%
|
34.00
|
34.00
|
32.50
|
32.90
|
33.34
|
5.29
|
33,800
|
|
7/19/2010
|
+1.10 / +3.45%
|
30.10
|
34.10
|
30.10
|
33.00
|
32.96
|
5.30
|
49,200
|
|
7/16/2010
|
+1.40 / +4.59%
|
31.40
|
31.90
|
31.40
|
31.90
|
31.88
|
5.13
|
27,600
|
|
7/15/2010
|
+1.50 / +5.17%
|
29.00
|
30.50
|
29.00
|
30.50
|
29.87
|
4.90
|
43,500
|
|
7/14/2010
|
+0.50 / +1.75%
|
28.50
|
29.30
|
28.50
|
29.00
|
28.90
|
4.66
|
28,600
|
|
7/13/2010
|
+0.10 / +0.35%
|
28.10
|
28.50
|
28.00
|
28.50
|
28.14
|
4.58
|
5,400
|
|
|