|
Closing price on 5/11/2009
|
|
| Open |
19.10 |
| High |
21.90 |
| Low |
19.10 |
| Volume |
22,900 |
| Split-adjusted Price |
3.09 |
|
|
PSC Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
5/11/2009
|
0.00 / 0.00%
|
19.10
|
21.90
|
19.10
|
20.50
|
19.47
|
3.09
|
22,900
|
|
|
5/8/2009
|
-1.20 / -5.53%
|
20.20
|
20.80
|
20.20
|
20.50
|
20.48
|
3.09
|
11,300
|
|
|
5/7/2009
|
+0.40 / +1.88%
|
21.50
|
22.00
|
21.50
|
21.70
|
21.67
|
3.27
|
1,300
|
|
|
5/6/2009
|
-1.50 / -6.58%
|
22.00
|
22.00
|
21.30
|
21.30
|
21.45
|
3.21
|
3,600
|
|
|
5/5/2009
|
+1.30 / +6.05%
|
23.00
|
23.00
|
22.70
|
22.80
|
22.91
|
3.44
|
10,000
|
|
|
5/4/2009
|
+1.50 / +7.50%
|
21.00
|
21.50
|
20.00
|
21.50
|
21.47
|
3.24
|
25,800
|
|
|
4/29/2009
|
-0.60 / -2.91%
|
22.00
|
22.00
|
20.00
|
20.00
|
20.14
|
3.01
|
4,000
|
|
|
4/28/2009
|
-1.50 / -6.79%
|
21.80
|
21.80
|
20.60
|
20.60
|
21.47
|
3.11
|
3,600
|
|
|
4/27/2009
|
+1.60 / +7.80%
|
22.10
|
22.10
|
22.10
|
22.10
|
22.10
|
3.33
|
100
|
|
|
4/24/2009
|
0.00 / 0.00%
|
21.10
|
21.10
|
20.50
|
20.50
|
20.92
|
3.09
|
10,300
|
|
|
4/23/2009
|
-0.50 / -2.38%
|
20.10
|
21.00
|
18.60
|
20.50
|
19.82
|
3.09
|
7,200
|
|
|
4/22/2009
|
-0.30 / -1.41%
|
19.90
|
22.00
|
19.90
|
21.00
|
19.98
|
3.17
|
70,800
|
|
|
4/21/2009
|
-1.50 / -6.58%
|
21.30
|
21.30
|
21.30
|
21.30
|
21.30
|
3.21
|
100
|
|
|
4/20/2009
|
-1.70 / -6.94%
|
22.80
|
22.80
|
22.80
|
22.80
|
22.80
|
3.44
|
100
|
|
|
4/17/2009
|
-1.80 / -6.84%
|
24.50
|
24.50
|
24.50
|
24.50
|
24.50
|
3.69
|
6,500
|
|
|
4/16/2009
|
-3.50 / -11.74%
|
26.30
|
26.30
|
26.30
|
26.30
|
26.30
|
3.96
|
5,200
|
|
|
4/15/2009
|
+1.80 / +6.43%
|
28.20
|
29.80
|
28.20
|
29.80
|
28.22
|
4.49
|
8,600
|
|
|
4/14/2009
|
-0.60 / -2.10%
|
30.60
|
30.60
|
26.90
|
28.00
|
30.28
|
4.22
|
108,800
|
|
|
4/13/2009
|
+1.80 / +6.72%
|
28.60
|
28.60
|
28.60
|
28.60
|
28.60
|
4.31
|
600
|
|
|
4/10/2009
|
+1.70 / +6.77%
|
26.80
|
26.80
|
26.80
|
26.80
|
26.80
|
4.04
|
2,000
|
|
|
4/9/2009
|
+1.60 / +6.81%
|
25.10
|
25.10
|
25.10
|
25.10
|
25.10
|
3.78
|
1,100
|
|
|
4/8/2009
|
+1.50 / +6.82%
|
23.50
|
23.50
|
23.00
|
23.50
|
23.49
|
3.54
|
67,700
|
|
|
4/7/2009
|
+1.20 / +5.77%
|
21.50
|
22.00
|
21.50
|
22.00
|
22.00
|
3.32
|
11,200
|
|
|
4/3/2009
|
+1.30 / +6.67%
|
19.80
|
20.80
|
19.80
|
20.80
|
20.64
|
3.14
|
10,200
|
|
|
4/2/2009
|
0.00 / 0.00%
|
19.50
|
19.50
|
19.50
|
19.50
|
19.50
|
2.94
|
100
|
|
|
4/1/2009
|
+0.80 / +4.28%
|
19.80
|
19.80
|
19.50
|
19.50
|
19.54
|
2.94
|
1,500
|
|
|
3/31/2009
|
-0.30 / -1.58%
|
18.70
|
18.70
|
18.70
|
18.70
|
18.70
|
2.82
|
0
|
|
|
3/30/2009
|
+0.60 / +3.26%
|
19.50
|
19.60
|
17.50
|
19.00
|
18.69
|
2.86
|
3,500
|
|
|
3/27/2009
|
+1.40 / +8.24%
|
18.10
|
18.40
|
18.10
|
18.40
|
18.37
|
2.77
|
7,200
|
|
|
3/26/2009
|
-0.60 / -3.41%
|
17.50
|
17.50
|
16.80
|
17.00
|
17.18
|
2.56
|
3,300
|
|
|