Closing price on 10/12/2007
|
|
Open |
64.50 |
High |
64.50 |
Low |
59.10 |
Volume |
6,300 |
Split-adjusted Price |
8.06 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
10/12/2007
|
+2.00 / +3.39%
|
64.50
|
64.50
|
59.10
|
61.00
|
61.00
|
8.06
|
6,300
|
|
10/11/2007
|
-1.00 / -1.67%
|
58.00
|
60.00
|
57.00
|
59.00
|
59.00
|
7.80
|
2,600
|
|
10/10/2007
|
-1.50 / -2.44%
|
59.50
|
63.00
|
59.20
|
60.00
|
60.00
|
7.93
|
1,200
|
|
10/9/2007
|
-0.40 / -0.65%
|
67.40
|
67.40
|
61.50
|
61.50
|
61.50
|
8.13
|
5,900
|
|
10/8/2007
|
+4.40 / +7.65%
|
59.00
|
61.90
|
59.00
|
61.90
|
61.90
|
8.18
|
11,300
|
|
10/5/2007
|
+3.50 / +6.48%
|
54.00
|
57.50
|
54.00
|
57.50
|
57.50
|
7.60
|
5,000
|
|
10/4/2007
|
-12.00 / -18.18%
|
50.00
|
55.50
|
50.00
|
54.00
|
54.00
|
7.14
|
2,500
|
|
10/3/2007
|
+3.00 / +4.76%
|
67.80
|
69.00
|
64.00
|
66.00
|
66.00
|
6.71
|
8,600
|
|
10/2/2007
|
+0.20 / +0.32%
|
69.00
|
69.00
|
62.00
|
63.00
|
63.00
|
6.40
|
14,000
|
|
10/1/2007
|
+5.60 / +9.79%
|
62.80
|
62.80
|
62.80
|
62.80
|
62.80
|
6.38
|
7,900
|
|
9/28/2007
|
+5.20 / +10.00%
|
55.00
|
57.20
|
55.00
|
57.20
|
57.20
|
5.82
|
7,900
|
|
9/27/2007
|
0.00 / 0.00%
|
52.00
|
52.10
|
52.00
|
52.00
|
52.00
|
5.29
|
2,400
|
|
9/26/2007
|
+1.50 / +2.97%
|
51.50
|
52.50
|
51.00
|
52.00
|
52.00
|
5.29
|
6,700
|
|
9/25/2007
|
+0.50 / +1.00%
|
51.40
|
51.40
|
50.50
|
50.50
|
50.50
|
5.13
|
1,300
|
|
9/24/2007
|
+0.90 / +1.83%
|
50.00
|
54.00
|
50.00
|
50.00
|
50.00
|
5.08
|
1,500
|
|
9/21/2007
|
-0.40 / -0.81%
|
49.10
|
49.10
|
49.10
|
49.10
|
49.10
|
4.99
|
0
|
|
9/20/2007
|
+1.00 / +2.06%
|
48.50
|
49.50
|
48.50
|
49.50
|
49.50
|
5.03
|
500
|
|
9/19/2007
|
+2.00 / +4.30%
|
48.00
|
48.50
|
48.00
|
48.50
|
48.50
|
4.93
|
500
|
|
9/18/2007
|
0.00 / 0.00%
|
46.50
|
46.50
|
46.50
|
46.50
|
46.50
|
4.73
|
1,300
|
|
9/17/2007
|
0.00 / 0.00%
|
46.50
|
46.50
|
46.50
|
46.50
|
46.50
|
4.73
|
100
|
|
9/14/2007
|
0.00 / 0.00%
|
46.40
|
46.50
|
46.40
|
46.50
|
46.50
|
4.73
|
1,500
|
|
9/13/2007
|
-0.10 / -0.21%
|
46.50
|
46.50
|
45.00
|
46.50
|
46.50
|
4.73
|
2,100
|
|
9/12/2007
|
+3.10 / +7.13%
|
45.00
|
47.00
|
44.00
|
46.60
|
46.60
|
4.74
|
3,700
|
|
9/11/2007
|
+1.00 / +2.35%
|
42.10
|
43.50
|
42.00
|
43.50
|
43.50
|
4.42
|
2,200
|
|
9/10/2007
|
0.00 / 0.00%
|
42.50
|
42.50
|
42.50
|
42.50
|
42.50
|
4.32
|
0
|
|
9/7/2007
|
+2.00 / +4.94%
|
42.50
|
42.50
|
42.50
|
42.50
|
42.50
|
4.32
|
200
|
|
9/6/2007
|
-2.50 / -5.81%
|
39.00
|
40.60
|
39.00
|
40.50
|
40.50
|
4.12
|
1,800
|
|
9/5/2007
|
+2.30 / +5.65%
|
43.00
|
43.00
|
43.00
|
43.00
|
43.00
|
4.37
|
100
|
|
9/4/2007
|
+0.20 / +0.49%
|
40.70
|
40.70
|
40.70
|
40.70
|
40.70
|
4.14
|
0
|
|
8/31/2007
|
0.00 / 0.00%
|
41.00
|
41.00
|
40.50
|
40.50
|
40.50
|
4.12
|
700
|
|
|