|
Closing price on 6/23/2010
|
|
| Open |
29.30 |
| High |
29.50 |
| Low |
29.30 |
| Volume |
6,900 |
| Split-adjusted Price |
4.72 |
|
|
PSC Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
6/23/2010
|
+0.40 / +1.38%
|
29.30
|
29.50
|
29.30
|
29.40
|
29.39
|
4.72
|
6,900
|
|
|
6/22/2010
|
-0.50 / -1.69%
|
29.50
|
29.90
|
29.00
|
29.00
|
29.35
|
4.66
|
19,200
|
|
|
6/21/2010
|
+0.30 / +1.03%
|
29.50
|
30.00
|
29.10
|
29.50
|
29.82
|
4.74
|
26,100
|
|
|
6/18/2010
|
-0.20 / -0.68%
|
29.10
|
29.20
|
29.00
|
29.20
|
29.08
|
4.69
|
9,100
|
|
|
6/17/2010
|
-0.20 / -0.68%
|
28.80
|
30.00
|
28.70
|
29.40
|
29.11
|
4.72
|
9,300
|
|
|
6/16/2010
|
+0.70 / +2.42%
|
30.00
|
30.50
|
29.00
|
29.60
|
29.44
|
4.76
|
8,700
|
|
|
6/15/2010
|
0.00 / 0.00%
|
28.50
|
29.30
|
28.50
|
28.90
|
28.93
|
4.64
|
13,500
|
|
|
6/14/2010
|
+0.40 / +1.40%
|
28.70
|
29.00
|
28.50
|
28.90
|
28.73
|
4.64
|
18,700
|
|
|
6/11/2010
|
-0.50 / -1.72%
|
29.00
|
29.50
|
28.30
|
28.50
|
28.74
|
4.58
|
5,200
|
|
|
6/10/2010
|
+1.90 / +7.01%
|
27.10
|
29.20
|
27.10
|
29.00
|
28.55
|
4.66
|
25,400
|
|
|
6/9/2010
|
-0.40 / -1.45%
|
27.50
|
27.60
|
27.00
|
27.10
|
27.37
|
4.35
|
2,300
|
|
|
6/8/2010
|
+0.10 / +0.36%
|
27.00
|
28.20
|
27.00
|
27.50
|
27.37
|
4.42
|
14,900
|
|
|
6/7/2010
|
-0.70 / -2.49%
|
27.50
|
27.90
|
26.40
|
27.40
|
27.08
|
4.40
|
16,200
|
|
|
6/4/2010
|
-0.20 / -0.71%
|
28.40
|
28.50
|
27.00
|
28.10
|
27.89
|
4.52
|
22,200
|
|
|
6/3/2010
|
-0.70 / -2.41%
|
30.50
|
30.80
|
26.90
|
28.30
|
28.50
|
4.55
|
30,700
|
|
|
6/2/2010
|
+0.10 / +0.35%
|
29.50
|
29.50
|
28.80
|
29.00
|
28.89
|
4.66
|
8,500
|
|
|
6/1/2010
|
+0.40 / +1.40%
|
28.50
|
29.40
|
27.10
|
28.90
|
28.06
|
4.64
|
12,700
|
|
|
5/31/2010
|
-1.40 / -4.68%
|
30.00
|
30.00
|
28.50
|
28.50
|
29.00
|
4.58
|
6,400
|
|
|
5/28/2010
|
+1.90 / +6.79%
|
29.40
|
29.90
|
29.40
|
29.90
|
29.86
|
4.80
|
43,300
|
|
|
5/27/2010
|
-1.00 / -3.45%
|
26.70
|
28.90
|
26.70
|
28.00
|
27.98
|
4.50
|
8,500
|
|
|
5/26/2010
|
+1.40 / +5.07%
|
29.00
|
29.30
|
27.00
|
29.00
|
28.61
|
4.66
|
15,200
|
|
|
5/25/2010
|
+2.00 / +7.81%
|
26.80
|
27.60
|
26.80
|
27.60
|
27.44
|
4.43
|
31,700
|
|
|
5/24/2010
|
+0.50 / +1.99%
|
25.20
|
26.80
|
25.20
|
25.60
|
25.83
|
4.11
|
35,700
|
|
|
5/21/2010
|
-1.90 / -7.04%
|
25.50
|
26.00
|
25.10
|
25.10
|
25.16
|
4.03
|
69,500
|
|
|
5/20/2010
|
-0.80 / -2.88%
|
27.00
|
28.50
|
26.60
|
27.00
|
26.93
|
4.34
|
34,700
|
|
|
5/19/2010
|
-1.20 / -4.14%
|
31.70
|
31.70
|
27.80
|
27.80
|
28.51
|
4.47
|
32,800
|
|
|
5/18/2010
|
-2.00 / -6.45%
|
30.50
|
30.90
|
29.00
|
29.00
|
29.77
|
4.66
|
31,600
|
|
|
5/17/2010
|
-1.60 / -4.91%
|
32.90
|
33.00
|
30.00
|
31.00
|
31.10
|
4.98
|
13,700
|
|
|
5/14/2010
|
+1.40 / +4.49%
|
31.90
|
32.90
|
29.20
|
32.60
|
31.40
|
5.24
|
12,100
|
|
|
5/13/2010
|
-2.20 / -6.59%
|
31.30
|
31.50
|
31.20
|
31.20
|
31.22
|
5.01
|
45,200
|
|
|