|
Closing price on 4/21/2011
|
|
| Open |
8.90 |
| High |
8.90 |
| Low |
8.50 |
| Volume |
103,700 |
| Split-adjusted Price |
8.60 |
|
|
PSI Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
4/21/2011
|
-0.20 / -2.27%
|
8.90
|
8.90
|
8.50
|
8.60
|
8.60
|
8.60
|
103,700
|
|
|
4/20/2011
|
-0.10 / -1.12%
|
8.90
|
9.00
|
8.80
|
8.80
|
8.80
|
8.80
|
106,500
|
|
|
4/19/2011
|
0.00 / 0.00%
|
9.00
|
9.00
|
8.80
|
8.90
|
8.90
|
8.90
|
138,200
|
|
|
4/18/2011
|
-0.20 / -2.20%
|
9.00
|
9.00
|
8.80
|
8.90
|
8.90
|
8.90
|
163,700
|
|
|
4/15/2011
|
0.00 / 0.00%
|
9.10
|
9.20
|
8.90
|
9.10
|
9.10
|
9.10
|
112,900
|
|
|
4/14/2011
|
-0.20 / -2.15%
|
9.20
|
9.30
|
9.10
|
9.10
|
9.10
|
9.10
|
203,700
|
|
|
4/13/2011
|
0.00 / 0.00%
|
9.30
|
9.40
|
9.20
|
9.30
|
9.30
|
9.30
|
119,800
|
|
|
4/8/2011
|
0.00 / 0.00%
|
9.30
|
9.30
|
9.20
|
9.30
|
9.30
|
9.30
|
56,700
|
|
|
4/7/2011
|
-0.20 / -2.11%
|
9.50
|
9.60
|
9.20
|
9.30
|
9.30
|
9.30
|
54,800
|
|
|
4/6/2011
|
+0.20 / +2.15%
|
9.30
|
9.70
|
9.30
|
9.50
|
9.50
|
9.50
|
280,500
|
|
|
4/5/2011
|
+0.10 / +1.09%
|
9.30
|
9.30
|
9.10
|
9.30
|
9.30
|
9.30
|
245,800
|
|
|
4/4/2011
|
-0.30 / -3.16%
|
9.50
|
9.50
|
9.10
|
9.20
|
9.20
|
9.20
|
111,700
|
|
|
4/1/2011
|
0.00 / 0.00%
|
9.30
|
9.50
|
9.20
|
9.50
|
9.50
|
9.50
|
93,400
|
|
|
3/31/2011
|
+0.10 / +1.06%
|
9.40
|
9.50
|
9.20
|
9.50
|
9.50
|
9.50
|
141,700
|
|
|
3/30/2011
|
-0.30 / -3.09%
|
9.50
|
9.50
|
9.30
|
9.40
|
9.40
|
9.40
|
151,100
|
|
|
3/29/2011
|
-0.40 / -3.96%
|
10.00
|
10.00
|
9.60
|
9.70
|
9.70
|
9.70
|
122,300
|
|
|
3/28/2011
|
+0.10 / +1.00%
|
10.00
|
10.50
|
10.00
|
10.10
|
10.10
|
10.10
|
172,900
|
|
|
3/25/2011
|
+0.20 / +2.04%
|
10.00
|
10.10
|
9.80
|
10.00
|
10.00
|
10.00
|
339,000
|
|
|
3/24/2011
|
-0.30 / -2.97%
|
10.00
|
10.10
|
9.80
|
9.80
|
9.80
|
9.80
|
106,200
|
|
|
3/23/2011
|
+0.40 / +4.12%
|
9.90
|
10.10
|
9.70
|
10.10
|
10.10
|
10.10
|
143,700
|
|
|
3/22/2011
|
-0.50 / -4.90%
|
10.10
|
10.60
|
9.70
|
9.70
|
9.70
|
9.70
|
272,400
|
|
|
3/21/2011
|
+0.30 / +3.03%
|
10.20
|
10.40
|
10.20
|
10.20
|
10.20
|
10.20
|
642,300
|
|
|
3/18/2011
|
+0.70 / +7.61%
|
9.50
|
9.90
|
9.30
|
9.90
|
9.90
|
9.90
|
334,900
|
|
|
3/17/2011
|
-0.30 / -3.16%
|
8.70
|
9.60
|
8.70
|
9.20
|
9.20
|
9.20
|
144,200
|
|
|
3/16/2011
|
+0.10 / +1.06%
|
9.20
|
9.60
|
9.20
|
9.50
|
9.50
|
9.50
|
211,100
|
|
|
3/15/2011
|
-0.20 / -2.08%
|
9.30
|
9.80
|
9.20
|
9.40
|
9.40
|
9.40
|
169,000
|
|
|
3/14/2011
|
-0.60 / -5.88%
|
10.50
|
10.50
|
9.50
|
9.60
|
9.60
|
9.60
|
226,900
|
|
|
3/11/2011
|
+0.50 / +5.15%
|
10.20
|
10.20
|
10.20
|
10.20
|
10.20
|
10.20
|
234,300
|
|
|
3/10/2011
|
+0.60 / +6.59%
|
9.10
|
9.70
|
9.10
|
9.70
|
9.70
|
9.70
|
263,000
|
|
|
3/9/2011
|
-0.50 / -5.21%
|
9.50
|
9.50
|
9.00
|
9.10
|
9.10
|
9.10
|
338,300
|
|
|