|
Closing price on 6/8/2009
|
|
| Open |
32.10 |
| High |
32.10 |
| Low |
31.50 |
| Volume |
68,800 |
| Split-adjusted Price |
4.84 |
|
|
PSC Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
6/8/2009
|
+2.10 / +7.00%
|
32.10
|
32.10
|
31.50
|
32.10
|
32.10
|
4.84
|
68,800
|
|
|
6/5/2009
|
+0.90 / +3.09%
|
30.00
|
30.00
|
30.00
|
30.00
|
30.00
|
4.52
|
2,800
|
|
|
6/4/2009
|
+0.10 / +0.34%
|
28.00
|
29.10
|
28.00
|
29.10
|
28.13
|
4.39
|
12,300
|
|
|
6/3/2009
|
-1.10 / -3.65%
|
29.00
|
29.00
|
29.00
|
29.00
|
29.00
|
4.37
|
4,400
|
|
|
6/2/2009
|
-0.40 / -1.31%
|
30.50
|
30.50
|
30.10
|
30.10
|
30.33
|
4.54
|
7,700
|
|
|
6/1/2009
|
0.00 / 0.00%
|
31.40
|
31.40
|
30.50
|
30.50
|
30.65
|
4.60
|
600
|
|
|
5/29/2009
|
0.00 / 0.00%
|
30.50
|
30.50
|
30.50
|
30.50
|
30.50
|
4.60
|
0
|
|
|
5/28/2009
|
0.00 / 0.00%
|
30.50
|
30.50
|
30.50
|
30.50
|
30.50
|
4.60
|
0
|
|
|
5/27/2009
|
-0.50 / -1.61%
|
30.20
|
30.70
|
30.20
|
30.50
|
30.49
|
4.60
|
9,400
|
|
|
5/26/2009
|
+0.60 / +1.97%
|
31.00
|
32.20
|
31.00
|
31.00
|
31.55
|
4.67
|
11,900
|
|
|
5/25/2009
|
+1.90 / +6.67%
|
28.70
|
30.40
|
28.70
|
30.40
|
30.20
|
4.58
|
36,600
|
|
|
5/22/2009
|
+0.40 / +1.42%
|
28.50
|
28.50
|
28.50
|
28.50
|
28.50
|
4.30
|
15,900
|
|
|
5/21/2009
|
+1.80 / +6.84%
|
26.30
|
28.10
|
24.50
|
28.10
|
26.75
|
4.24
|
57,300
|
|
|
5/20/2009
|
+1.70 / +6.91%
|
26.30
|
26.30
|
26.30
|
26.30
|
26.30
|
3.96
|
31,800
|
|
|
5/19/2009
|
+1.30 / +5.58%
|
24.60
|
24.60
|
24.00
|
24.60
|
24.57
|
3.71
|
23,500
|
|
|
5/18/2009
|
+0.80 / +3.56%
|
22.00
|
23.30
|
22.00
|
23.30
|
23.02
|
3.51
|
17,700
|
|
|
5/15/2009
|
+0.50 / +2.27%
|
22.00
|
22.50
|
21.70
|
22.50
|
21.83
|
3.39
|
26,400
|
|
|
5/14/2009
|
-0.10 / -0.45%
|
20.30
|
22.00
|
20.30
|
22.00
|
21.66
|
3.32
|
12,100
|
|
|
5/13/2009
|
+1.30 / +6.25%
|
21.50
|
22.10
|
21.00
|
22.10
|
21.67
|
3.33
|
18,400
|
|
|
5/12/2009
|
+0.30 / +1.46%
|
20.40
|
20.80
|
20.40
|
20.80
|
20.70
|
3.14
|
5,200
|
|
|
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
|
|
|