Closing price on 7/28/2010
|
|
Open |
34.00 |
High |
35.00 |
Low |
33.90 |
Volume |
133,000 |
Split-adjusted Price |
5.62 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
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
|
|
7/12/2010
|
+0.60 / +2.16%
|
28.00
|
28.40
|
28.00
|
28.40
|
28.37
|
4.56
|
2,300
|
|
7/9/2010
|
-0.20 / -0.71%
|
28.20
|
28.20
|
27.80
|
27.80
|
28.03
|
4.47
|
1,800
|
|
7/8/2010
|
-0.50 / -1.75%
|
28.20
|
28.50
|
28.00
|
28.00
|
28.27
|
4.50
|
4,400
|
|
7/7/2010
|
0.00 / 0.00%
|
28.10
|
28.50
|
28.00
|
28.50
|
28.17
|
4.58
|
4,800
|
|
7/6/2010
|
-0.10 / -0.35%
|
28.20
|
28.50
|
27.00
|
28.50
|
28.07
|
4.58
|
5,600
|
|
7/5/2010
|
+0.20 / +0.70%
|
28.60
|
28.60
|
28.60
|
28.60
|
28.60
|
4.60
|
3,700
|
|
7/2/2010
|
+0.60 / +2.16%
|
28.60
|
28.60
|
28.00
|
28.40
|
28.30
|
4.56
|
9,300
|
|
7/1/2010
|
-0.50 / -1.77%
|
27.80
|
28.00
|
27.70
|
27.80
|
27.76
|
4.47
|
11,600
|
|
6/30/2010
|
-0.20 / -0.70%
|
28.00
|
28.30
|
27.60
|
28.30
|
27.88
|
4.55
|
15,000
|
|
6/29/2010
|
+0.10 / +0.35%
|
28.60
|
28.60
|
28.00
|
28.50
|
28.44
|
4.58
|
6,900
|
|
6/28/2010
|
-0.10 / -0.35%
|
28.00
|
28.40
|
28.00
|
28.40
|
28.04
|
4.56
|
1,200
|
|
6/25/2010
|
-0.10 / -0.35%
|
28.00
|
28.50
|
27.90
|
28.50
|
28.34
|
4.58
|
3,400
|
|
6/24/2010
|
-0.80 / -2.72%
|
29.50
|
29.50
|
28.60
|
28.60
|
28.92
|
4.60
|
9,400
|
|
6/23/2010
|
+0.40 / +1.38%
|
29.30
|
29.50
|
29.30
|
29.40
|
29.39
|
4.72
|
6,900
|
|
6/22/2010
|
-0.50 / -1.69%
|
29.50
|
29.90
|
29.00
|
29.00
|
29.35
|
4.66
|
19,200
|
|
6/21/2010
|
+0.30 / +1.03%
|
29.50
|
30.00
|
29.10
|
29.50
|
29.82
|
4.74
|
26,100
|
|
6/18/2010
|
-0.20 / -0.68%
|
29.10
|
29.20
|
29.00
|
29.20
|
29.08
|
4.69
|
9,100
|
|
6/17/2010
|
-0.20 / -0.68%
|
28.80
|
30.00
|
28.70
|
29.40
|
29.11
|
4.72
|
9,300
|
|
|