Closing price on 6/7/2007
|
|
Open |
68.10 |
High |
71.50 |
Low |
67.00 |
Volume |
4,300 |
Split-adjusted Price |
7.01 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
6/7/2007
|
-1.00 / -1.43%
|
68.10
|
71.50
|
67.00
|
69.00
|
69.00
|
7.01
|
4,300
|
|
6/6/2007
|
+5.90 / +9.20%
|
65.00
|
70.50
|
65.00
|
70.00
|
70.00
|
7.12
|
9,500
|
|
6/5/2007
|
+5.80 / +9.95%
|
64.10
|
64.10
|
64.10
|
64.10
|
64.10
|
6.52
|
9,300
|
|
6/4/2007
|
+5.30 / +10.00%
|
58.00
|
58.30
|
58.00
|
58.30
|
58.30
|
5.93
|
600
|
|
6/1/2007
|
+2.50 / +4.95%
|
53.00
|
53.00
|
53.00
|
53.00
|
53.00
|
5.39
|
200
|
|
5/31/2007
|
+1.00 / +2.02%
|
50.30
|
54.00
|
50.00
|
50.50
|
50.50
|
5.13
|
1,900
|
|
5/30/2007
|
-1.50 / -2.94%
|
49.80
|
51.50
|
49.50
|
49.50
|
49.50
|
5.03
|
1,500
|
|
5/29/2007
|
+1.00 / +2.00%
|
49.80
|
51.00
|
49.00
|
51.00
|
51.00
|
5.18
|
1,200
|
|
5/28/2007
|
+1.00 / +2.04%
|
50.00
|
50.00
|
50.00
|
50.00
|
50.00
|
5.08
|
200
|
|
5/25/2007
|
+0.50 / +1.03%
|
48.50
|
49.00
|
48.00
|
49.00
|
49.00
|
4.98
|
800
|
|
5/24/2007
|
+0.50 / +1.04%
|
48.50
|
48.50
|
48.50
|
48.50
|
48.50
|
4.93
|
1,000
|
|
5/23/2007
|
+0.50 / +1.05%
|
48.00
|
52.20
|
48.00
|
48.00
|
48.00
|
4.88
|
1,500
|
|
5/22/2007
|
0.00 / 0.00%
|
47.50
|
47.50
|
47.50
|
47.50
|
47.50
|
4.83
|
0
|
|
5/21/2007
|
+0.30 / +0.64%
|
47.50
|
47.50
|
47.50
|
47.50
|
47.50
|
4.83
|
0
|
|
5/18/2007
|
-0.80 / -1.67%
|
47.50
|
47.70
|
47.20
|
47.20
|
47.20
|
4.80
|
600
|
|
5/17/2007
|
0.00 / 0.00%
|
48.00
|
48.00
|
48.00
|
48.00
|
48.00
|
4.88
|
100
|
|
5/16/2007
|
-2.00 / -4.00%
|
48.40
|
49.10
|
48.00
|
48.00
|
48.00
|
4.88
|
500
|
|
5/15/2007
|
-3.40 / -6.37%
|
50.00
|
50.00
|
50.00
|
50.00
|
50.00
|
5.08
|
900
|
|
5/14/2007
|
0.00 / 0.00%
|
53.40
|
53.40
|
53.40
|
53.40
|
53.40
|
5.43
|
0
|
|
5/11/2007
|
0.00 / 0.00%
|
53.40
|
53.40
|
53.40
|
53.40
|
53.40
|
5.43
|
0
|
|
5/10/2007
|
+4.40 / +8.98%
|
53.40
|
53.40
|
53.40
|
53.40
|
53.40
|
5.43
|
600
|
|
5/9/2007
|
+5.00 / +11.36%
|
46.70
|
49.30
|
46.70
|
49.00
|
49.00
|
4.98
|
1,000
|
|
5/8/2007
|
+3.00 / +7.32%
|
44.00
|
45.20
|
44.00
|
44.00
|
44.00
|
4.47
|
1,000
|
|
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
|
|
|