Closing price on 5/7/2007
|
|
Open |
41.10 |
High |
41.50 |
Low |
41.00 |
Volume |
2,200 |
Split-adjusted Price |
4.17 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
5/7/2007
|
-1.00 / -2.38%
|
41.10
|
41.50
|
41.00
|
41.00
|
41.00
|
4.17
|
2,200
|
|
5/4/2007
|
-4.50 / -9.68%
|
43.50
|
45.50
|
42.00
|
42.00
|
42.00
|
4.27
|
1,400
|
|
5/3/2007
|
-5.00 / -9.71%
|
46.50
|
46.50
|
46.50
|
46.50
|
46.50
|
4.73
|
200
|
|
5/2/2007
|
+0.40 / +0.78%
|
49.30
|
51.50
|
46.40
|
51.50
|
51.50
|
5.24
|
500
|
|
4/25/2007
|
-2.90 / -5.37%
|
51.50
|
54.00
|
51.10
|
51.10
|
51.10
|
5.19
|
3,100
|
|
4/24/2007
|
-5.00 / -8.47%
|
56.70
|
58.00
|
53.10
|
54.00
|
54.00
|
5.49
|
700
|
|
4/23/2007
|
-1.00 / -1.67%
|
59.00
|
59.00
|
59.00
|
59.00
|
59.00
|
6.00
|
500
|
|
4/20/2007
|
0.00 / 0.00%
|
60.00
|
60.00
|
60.00
|
60.00
|
60.00
|
6.10
|
200
|
|
4/19/2007
|
0.00 / 0.00%
|
60.00
|
62.00
|
60.00
|
60.00
|
60.00
|
6.10
|
4,400
|
|
4/18/2007
|
-2.20 / -3.54%
|
60.00
|
60.00
|
60.00
|
60.00
|
60.00
|
6.10
|
1,700
|
|
4/17/2007
|
-6.80 / -9.86%
|
62.20
|
62.20
|
62.20
|
62.20
|
62.20
|
6.32
|
100
|
|
4/16/2007
|
-5.50 / -7.38%
|
69.00
|
69.00
|
69.00
|
69.00
|
69.00
|
7.01
|
100
|
|
4/13/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/12/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/11/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/10/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/9/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/6/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/5/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/4/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/3/2007
|
0.00 / 0.00%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
0
|
|
4/2/2007
|
+0.50 / +0.68%
|
74.50
|
74.50
|
74.50
|
74.50
|
74.50
|
7.57
|
100
|
|
3/30/2007
|
-1.50 / -1.99%
|
74.00
|
74.00
|
74.00
|
74.00
|
74.00
|
7.52
|
100
|
|
3/29/2007
|
+6.50 / +9.42%
|
69.00
|
75.50
|
69.00
|
75.50
|
75.50
|
7.68
|
1,200
|
|
3/28/2007
|
-7.60 / -9.92%
|
69.00
|
69.00
|
69.00
|
69.00
|
69.00
|
7.01
|
1,000
|
|
3/27/2007
|
0.00 / 0.00%
|
76.60
|
76.60
|
76.60
|
76.60
|
76.60
|
7.79
|
0
|
|
3/26/2007
|
+0.60 / +0.79%
|
76.60
|
76.60
|
76.60
|
76.60
|
76.60
|
7.79
|
0
|
|
3/23/2007
|
+1.00 / +1.33%
|
76.60
|
77.00
|
76.00
|
76.00
|
76.00
|
7.73
|
1,600
|
|
3/22/2007
|
-5.00 / -6.25%
|
76.70
|
81.00
|
75.00
|
75.00
|
75.00
|
7.62
|
1,000
|
|
3/21/2007
|
-2.00 / -2.44%
|
76.70
|
80.00
|
75.00
|
80.00
|
80.00
|
8.13
|
600
|
|
|