|
Closing price on 6/3/2010
|
|
| Open |
30.50 |
| High |
30.80 |
| Low |
26.90 |
| Volume |
30,700 |
| Split-adjusted Price |
4.55 |
|
|
PSC Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
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
|
|
|
5/12/2010
|
-2.40 / -6.70%
|
33.50
|
33.60
|
33.40
|
33.40
|
33.49
|
5.37
|
14,800
|
|
|
5/11/2010
|
-1.90 / -5.04%
|
38.00
|
38.00
|
35.80
|
35.80
|
35.95
|
5.75
|
18,100
|
|
|
5/10/2010
|
-2.80 / -6.91%
|
40.00
|
43.00
|
37.70
|
37.70
|
38.40
|
6.06
|
28,200
|
|
|
5/7/2010
|
+1.90 / +4.92%
|
40.50
|
40.50
|
40.00
|
40.50
|
40.49
|
6.51
|
144,700
|
|
|
5/6/2010
|
+1.60 / +4.32%
|
36.10
|
38.60
|
36.00
|
38.60
|
37.92
|
6.20
|
33,000
|
|
|
5/5/2010
|
+0.80 / +2.21%
|
37.00
|
37.50
|
35.00
|
37.00
|
36.11
|
5.95
|
89,200
|
|
|
5/4/2010
|
+2.30 / +6.78%
|
36.20
|
36.20
|
36.00
|
36.20
|
36.15
|
5.82
|
78,400
|
|
|
4/29/2010
|
+2.00 / +6.27%
|
33.80
|
33.90
|
33.80
|
33.90
|
33.90
|
5.45
|
36,500
|
|
|
4/28/2010
|
+1.90 / +6.33%
|
30.50
|
31.90
|
29.90
|
31.90
|
31.71
|
5.13
|
62,800
|
|
|
4/27/2010
|
+0.50 / +1.69%
|
30.00
|
30.00
|
29.20
|
30.00
|
29.87
|
4.82
|
20,400
|
|
|
4/26/2010
|
-0.60 / -1.99%
|
31.00
|
31.00
|
29.40
|
29.50
|
29.51
|
4.74
|
5,100
|
|
|
4/22/2010
|
-0.40 / -1.31%
|
30.10
|
31.50
|
30.10
|
30.10
|
30.48
|
4.84
|
3,700
|
|
|
4/21/2010
|
+0.80 / +2.69%
|
30.40
|
30.50
|
29.50
|
30.50
|
30.06
|
4.90
|
27,300
|
|
|
4/20/2010
|
-1.20 / -3.88%
|
31.80
|
31.80
|
29.30
|
29.70
|
29.48
|
4.77
|
17,100
|
|
|