Closing price on 12/23/2011
|
|
Open |
3.10 |
High |
3.20 |
Low |
3.00 |
Volume |
125,000 |
Split-adjusted Price |
3.10 |
|
|
PSI Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
12/23/2011
|
-0.10 / -3.13%
|
3.10
|
3.20
|
3.00
|
3.10
|
3.10
|
3.10
|
125,000
|
|
12/22/2011
|
-0.30 / -8.57%
|
3.20
|
3.30
|
3.20
|
3.20
|
3.20
|
3.20
|
86,800
|
|
12/21/2011
|
+0.10 / +2.94%
|
3.40
|
3.50
|
3.30
|
3.50
|
3.50
|
3.50
|
77,700
|
|
12/20/2011
|
-0.20 / -5.56%
|
3.50
|
3.50
|
3.40
|
3.40
|
3.40
|
3.40
|
137,200
|
|
12/19/2011
|
-0.20 / -5.26%
|
3.80
|
3.80
|
3.60
|
3.60
|
3.60
|
3.60
|
188,200
|
|
12/16/2011
|
0.00 / 0.00%
|
3.80
|
3.90
|
3.70
|
3.80
|
3.80
|
3.80
|
101,300
|
|
12/15/2011
|
-0.10 / -2.56%
|
3.90
|
3.90
|
3.70
|
3.80
|
3.80
|
3.80
|
128,200
|
|
12/14/2011
|
-0.10 / -2.50%
|
4.00
|
4.00
|
3.80
|
3.90
|
3.90
|
3.90
|
136,400
|
|
12/13/2011
|
0.00 / 0.00%
|
4.10
|
4.10
|
4.00
|
4.00
|
4.00
|
4.00
|
37,400
|
|
12/12/2011
|
-0.10 / -2.44%
|
4.10
|
4.10
|
4.00
|
4.00
|
4.00
|
4.00
|
80,700
|
|
12/9/2011
|
-0.10 / -2.38%
|
4.20
|
4.20
|
4.10
|
4.10
|
4.10
|
4.10
|
224,200
|
|
12/8/2011
|
0.00 / 0.00%
|
4.30
|
4.30
|
4.10
|
4.20
|
4.20
|
4.20
|
161,740
|
|
12/7/2011
|
-0.10 / -2.33%
|
4.40
|
4.40
|
4.20
|
4.20
|
4.20
|
4.20
|
21,700
|
|
12/6/2011
|
0.00 / 0.00%
|
4.50
|
4.60
|
4.30
|
4.30
|
4.30
|
4.30
|
368,100
|
|
12/5/2011
|
+0.10 / +2.38%
|
4.10
|
4.30
|
4.10
|
4.30
|
4.30
|
4.30
|
99,000
|
|
12/2/2011
|
+0.10 / +2.44%
|
4.00
|
4.20
|
4.00
|
4.20
|
4.20
|
4.20
|
73,200
|
|
12/1/2011
|
0.00 / 0.00%
|
4.20
|
4.20
|
4.00
|
4.10
|
4.10
|
4.10
|
58,100
|
|
11/30/2011
|
-0.10 / -2.38%
|
4.30
|
4.30
|
4.00
|
4.10
|
4.10
|
4.10
|
62,300
|
|
11/29/2011
|
-0.10 / -2.33%
|
4.40
|
4.40
|
4.20
|
4.20
|
4.20
|
4.20
|
72,400
|
|
11/28/2011
|
+0.20 / +4.88%
|
4.10
|
4.30
|
4.10
|
4.30
|
4.30
|
4.30
|
380,700
|
|
11/25/2011
|
0.00 / 0.00%
|
4.00
|
4.10
|
4.00
|
4.10
|
4.10
|
4.10
|
87,700
|
|
11/24/2011
|
-0.10 / -2.38%
|
4.20
|
4.20
|
4.00
|
4.10
|
4.10
|
4.10
|
40,300
|
|
11/23/2011
|
+0.10 / +2.44%
|
4.20
|
4.20
|
4.10
|
4.20
|
4.20
|
4.20
|
98,600
|
|
11/22/2011
|
0.00 / 0.00%
|
4.10
|
4.20
|
4.00
|
4.10
|
4.10
|
4.10
|
81,600
|
|
11/21/2011
|
-0.10 / -2.38%
|
4.10
|
4.20
|
3.90
|
4.10
|
4.10
|
4.10
|
115,800
|
|
11/18/2011
|
-0.10 / -2.33%
|
4.30
|
4.30
|
4.10
|
4.20
|
4.20
|
4.20
|
412,500
|
|
11/17/2011
|
-0.30 / -6.52%
|
4.50
|
4.50
|
4.20
|
4.30
|
4.30
|
4.30
|
102,800
|
|
11/16/2011
|
+0.20 / +4.55%
|
4.30
|
4.60
|
4.30
|
4.60
|
4.60
|
4.60
|
200,800
|
|
11/15/2011
|
+0.10 / +2.33%
|
4.30
|
4.40
|
4.20
|
4.40
|
4.40
|
4.40
|
106,200
|
|
11/14/2011
|
-0.20 / -4.44%
|
4.50
|
4.50
|
4.30
|
4.30
|
4.30
|
4.30
|
365,300
|
|
|