Closing price on 7/28/2008
|
|
Open |
19.50 |
High |
21.10 |
Low |
19.50 |
Volume |
2,400 |
Split-adjusted Price |
2.88 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
7/28/2008
|
+0.80 / +3.94%
|
19.50
|
21.10
|
19.50
|
21.10
|
19.64
|
2.88
|
2,400
|
|
7/25/2008
|
-0.80 / -3.79%
|
20.30
|
20.30
|
20.30
|
20.30
|
20.30
|
2.77
|
18,400
|
|
7/24/2008
|
-0.80 / -3.65%
|
21.10
|
21.10
|
21.10
|
21.10
|
21.10
|
2.88
|
9,900
|
|
7/23/2008
|
-0.90 / -3.95%
|
21.90
|
21.90
|
21.90
|
21.90
|
21.90
|
2.99
|
500
|
|
7/22/2008
|
-0.90 / -3.80%
|
22.80
|
22.80
|
22.80
|
22.80
|
22.80
|
3.12
|
600
|
|
7/21/2008
|
-0.90 / -3.66%
|
23.70
|
23.70
|
23.70
|
23.70
|
23.70
|
3.24
|
2,000
|
|
7/18/2008
|
-1.00 / -3.91%
|
24.60
|
24.60
|
24.60
|
24.60
|
24.60
|
3.36
|
3,200
|
|
7/17/2008
|
+0.80 / +3.23%
|
25.60
|
25.60
|
25.60
|
25.60
|
25.60
|
3.50
|
7,100
|
|
7/16/2008
|
+0.90 / +3.77%
|
24.80
|
24.80
|
23.90
|
24.80
|
24.74
|
3.39
|
19,500
|
|
7/15/2008
|
+0.90 / +3.91%
|
23.90
|
23.90
|
23.90
|
23.90
|
23.90
|
3.27
|
23,900
|
|
7/14/2008
|
+0.30 / +1.32%
|
23.00
|
23.00
|
23.00
|
23.00
|
23.00
|
3.14
|
4,500
|
|
7/11/2008
|
+1.00 / +4.61%
|
21.10
|
22.70
|
21.10
|
22.70
|
22.20
|
3.10
|
14,900
|
|
7/10/2008
|
-0.60 / -2.69%
|
22.50
|
22.50
|
21.50
|
21.70
|
21.90
|
2.97
|
11,000
|
|
7/9/2008
|
-2.20 / -8.98%
|
22.30
|
22.50
|
22.30
|
22.30
|
22.33
|
3.05
|
2,800
|
|
7/8/2008
|
+0.70 / +2.94%
|
23.00
|
24.50
|
23.00
|
24.50
|
23.16
|
3.35
|
2,700
|
|
7/7/2008
|
-1.40 / -5.56%
|
25.40
|
25.40
|
23.60
|
23.80
|
23.86
|
3.25
|
6,800
|
|
7/4/2008
|
+0.90 / +3.70%
|
23.40
|
25.20
|
23.40
|
25.20
|
24.53
|
3.44
|
64,800
|
|
7/3/2008
|
-1.00 / -3.95%
|
24.30
|
24.30
|
24.30
|
24.30
|
24.30
|
3.32
|
6,000
|
|
7/2/2008
|
-1.00 / -3.80%
|
25.30
|
25.30
|
25.30
|
25.30
|
25.30
|
3.46
|
1,800
|
|
7/1/2008
|
-1.00 / -3.66%
|
26.30
|
26.30
|
26.30
|
26.30
|
26.30
|
3.59
|
11,100
|
|
6/30/2008
|
0.00 / 0.00%
|
27.30
|
27.30
|
27.30
|
27.30
|
27.30
|
3.73
|
0
|
|
6/27/2008
|
-1.10 / -3.87%
|
27.30
|
27.30
|
27.30
|
27.30
|
27.30
|
3.73
|
1,000
|
|
6/26/2008
|
-1.10 / -3.73%
|
28.40
|
28.40
|
28.40
|
28.40
|
28.40
|
3.88
|
300
|
|
6/25/2008
|
-1.20 / -3.91%
|
29.50
|
29.50
|
29.50
|
29.50
|
29.50
|
4.03
|
300
|
|
6/24/2008
|
0.00 / 0.00%
|
30.70
|
30.70
|
30.70
|
30.70
|
30.70
|
4.20
|
0
|
|
6/23/2008
|
0.00 / 0.00%
|
30.70
|
30.70
|
30.70
|
30.70
|
30.70
|
4.20
|
0
|
|
6/20/2008
|
0.00 / 0.00%
|
30.70
|
30.70
|
30.70
|
30.70
|
30.70
|
4.20
|
0
|
|
6/19/2008
|
+0.50 / +1.66%
|
30.70
|
30.70
|
30.70
|
30.70
|
30.70
|
4.20
|
0
|
|
6/18/2008
|
0.00 / 0.00%
|
31.10
|
31.10
|
30.20
|
30.20
|
30.65
|
4.13
|
200
|
|
6/17/2008
|
+0.80 / +2.72%
|
30.20
|
30.20
|
30.20
|
30.20
|
30.20
|
4.13
|
800
|
|
|