Closing price on 5/10/2011
|
|
Open |
19.80 |
High |
19.80 |
Low |
19.80 |
Volume |
0 |
Split-adjusted Price |
4.77 |
|
|
PSC Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
5/10/2011
|
0.00 / 0.00%
|
19.80
|
19.80
|
19.80
|
19.80
|
19.80
|
4.77
|
0
|
|
5/9/2011
|
-1.40 / -6.60%
|
19.80
|
19.80
|
19.80
|
19.80
|
19.80
|
4.77
|
100
|
|
5/6/2011
|
+1.30 / +6.53%
|
21.20
|
21.20
|
21.20
|
21.20
|
21.20
|
5.10
|
100
|
|
5/5/2011
|
+1.30 / +6.99%
|
19.90
|
19.90
|
19.90
|
19.90
|
19.90
|
4.79
|
500
|
|
5/4/2011
|
-1.40 / -7.00%
|
18.60
|
18.60
|
18.60
|
18.60
|
18.60
|
4.48
|
100
|
|
4/29/2011
|
-1.40 / -6.54%
|
20.00
|
20.00
|
20.00
|
20.00
|
20.00
|
4.81
|
100
|
|
4/28/2011
|
0.00 / 0.00%
|
21.40
|
21.40
|
21.40
|
21.40
|
21.40
|
5.15
|
0
|
|
4/27/2011
|
0.00 / 0.00%
|
21.40
|
21.40
|
21.40
|
21.40
|
21.40
|
5.15
|
0
|
|
4/26/2011
|
0.00 / 0.00%
|
21.40
|
21.40
|
21.40
|
21.40
|
21.40
|
5.15
|
0
|
|
4/25/2011
|
-0.10 / -0.47%
|
21.40
|
21.40
|
21.40
|
21.40
|
21.40
|
5.15
|
0
|
|
4/22/2011
|
+2.90 / +15.59%
|
21.40
|
21.50
|
21.40
|
21.50
|
21.44
|
5.17
|
2,800
|
|
4/21/2011
|
-0.60 / -3.13%
|
20.90
|
20.90
|
18.60
|
18.60
|
20.76
|
4.48
|
1,700
|
|
4/20/2011
|
0.00 / 0.00%
|
20.10
|
20.10
|
19.20
|
19.20
|
19.95
|
4.62
|
600
|
|
4/19/2011
|
+1.20 / +6.67%
|
19.20
|
19.20
|
19.20
|
19.20
|
19.20
|
4.62
|
800
|
|
4/18/2011
|
0.00 / 0.00%
|
18.00
|
18.00
|
18.00
|
18.00
|
18.00
|
4.33
|
0
|
|
4/15/2011
|
0.00 / 0.00%
|
18.00
|
18.00
|
18.00
|
18.00
|
18.00
|
4.33
|
0
|
|
4/14/2011
|
0.00 / 0.00%
|
18.00
|
18.00
|
18.00
|
18.00
|
18.00
|
4.33
|
0
|
|
4/13/2011
|
0.00 / 0.00%
|
18.00
|
18.00
|
18.00
|
18.00
|
18.00
|
4.33
|
0
|
|
4/8/2011
|
0.00 / 0.00%
|
18.00
|
18.00
|
18.00
|
18.00
|
18.00
|
4.33
|
0
|
|
4/7/2011
|
-0.10 / -0.55%
|
18.00
|
18.00
|
18.00
|
18.00
|
18.00
|
4.33
|
800
|
|
4/6/2011
|
0.00 / 0.00%
|
17.50
|
18.10
|
17.50
|
18.10
|
18.02
|
4.36
|
1,500
|
|
4/5/2011
|
0.00 / 0.00%
|
18.10
|
18.10
|
18.10
|
18.10
|
18.10
|
4.36
|
1,500
|
|
4/4/2011
|
0.00 / 0.00%
|
18.10
|
18.10
|
18.10
|
18.10
|
18.10
|
4.36
|
0
|
|
4/1/2011
|
+0.10 / +0.56%
|
18.10
|
18.10
|
18.10
|
18.10
|
18.10
|
4.36
|
0
|
|
3/31/2011
|
-0.90 / -4.76%
|
18.10
|
18.10
|
18.00
|
18.00
|
18.10
|
4.33
|
2,100
|
|
3/30/2011
|
-0.70 / -3.57%
|
18.90
|
18.90
|
18.90
|
18.90
|
18.90
|
4.55
|
8,400
|
|
3/29/2011
|
-1.30 / -6.22%
|
20.70
|
20.70
|
19.60
|
19.60
|
19.80
|
4.72
|
11,900
|
|
3/28/2011
|
-1.30 / -5.86%
|
20.90
|
20.90
|
20.80
|
20.90
|
20.89
|
5.03
|
16,200
|
|
3/25/2011
|
-1.60 / -6.72%
|
22.20
|
22.30
|
22.20
|
22.20
|
22.21
|
5.34
|
21,500
|
|
3/24/2011
|
-1.70 / -6.67%
|
23.80
|
23.80
|
23.80
|
23.80
|
23.80
|
5.73
|
5,100
|
|
|