|
Closing price on 4/20/2011
|
|
| Open |
20.00 |
| High |
20.90 |
| Low |
19.70 |
| Volume |
204,200 |
| Split-adjusted Price |
4.39 |
|
|
STP Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
4/20/2011
|
-0.40 / -1.91%
|
20.00
|
20.90
|
19.70
|
20.50
|
20.10
|
4.39
|
204,200
|
|
|
4/19/2011
|
-0.60 / -2.79%
|
21.00
|
21.90
|
20.60
|
20.90
|
21.06
|
4.48
|
137,300
|
|
|
4/18/2011
|
-1.00 / -4.44%
|
22.80
|
23.40
|
21.30
|
21.50
|
21.94
|
4.61
|
200,800
|
|
|
4/15/2011
|
-0.50 / -2.17%
|
23.10
|
23.10
|
22.50
|
22.50
|
22.73
|
4.82
|
58,500
|
|
|
4/14/2011
|
-0.30 / -1.29%
|
23.30
|
23.30
|
22.90
|
23.00
|
23.07
|
4.93
|
49,600
|
|
|
4/13/2011
|
-0.40 / -1.69%
|
23.60
|
24.00
|
23.20
|
23.30
|
23.40
|
4.99
|
90,200
|
|
|
4/8/2011
|
+0.10 / +0.42%
|
23.40
|
23.80
|
23.40
|
23.70
|
23.57
|
5.08
|
72,700
|
|
|
4/7/2011
|
-0.40 / -1.67%
|
24.00
|
24.20
|
23.40
|
23.60
|
23.78
|
5.06
|
82,500
|
|
|
4/6/2011
|
+0.70 / +3.00%
|
23.50
|
24.20
|
23.00
|
24.00
|
23.73
|
5.14
|
104,500
|
|
|
4/5/2011
|
+0.30 / +1.30%
|
23.20
|
23.40
|
22.80
|
23.30
|
22.94
|
4.99
|
66,600
|
|
|
4/4/2011
|
-0.40 / -1.71%
|
23.30
|
23.60
|
22.90
|
23.00
|
23.11
|
4.93
|
98,500
|
|
|
4/1/2011
|
-0.40 / -1.68%
|
23.90
|
24.00
|
23.30
|
23.40
|
23.56
|
5.01
|
81,200
|
|
|
3/31/2011
|
+0.30 / +1.28%
|
23.30
|
24.50
|
23.30
|
23.80
|
24.02
|
5.10
|
151,100
|
|
|
3/30/2011
|
-0.10 / -0.42%
|
23.10
|
23.80
|
22.80
|
23.50
|
23.32
|
5.03
|
105,100
|
|
|
3/29/2011
|
-0.70 / -2.88%
|
24.00
|
24.30
|
23.50
|
23.60
|
23.86
|
5.06
|
133,600
|
|
|
3/28/2011
|
+0.30 / +1.25%
|
24.30
|
24.60
|
23.70
|
24.30
|
24.11
|
5.21
|
143,800
|
|
|
3/25/2011
|
-0.80 / -3.23%
|
25.10
|
25.20
|
23.40
|
24.00
|
23.69
|
5.14
|
681,500
|
|
|
3/24/2011
|
-0.80 / -3.13%
|
25.10
|
25.70
|
24.80
|
24.80
|
25.12
|
5.31
|
131,900
|
|
|
3/23/2011
|
+0.20 / +0.79%
|
25.40
|
25.80
|
24.50
|
25.60
|
25.06
|
5.48
|
98,700
|
|
|
3/22/2011
|
-0.60 / -2.31%
|
26.90
|
26.90
|
25.40
|
25.40
|
25.64
|
5.44
|
287,300
|
|
|
3/21/2011
|
-0.30 / -1.14%
|
27.00
|
27.80
|
26.00
|
26.00
|
27.32
|
5.57
|
218,900
|
|
|
3/18/2011
|
+1.70 / +6.91%
|
24.90
|
26.30
|
24.60
|
26.30
|
25.97
|
5.63
|
308,300
|
|
|
3/17/2011
|
+0.10 / +0.41%
|
24.50
|
25.50
|
24.20
|
24.60
|
24.61
|
5.27
|
109,700
|
|
|
3/16/2011
|
+0.90 / +3.81%
|
23.70
|
24.70
|
23.70
|
24.50
|
24.17
|
5.25
|
125,800
|
|
|
3/15/2011
|
-0.40 / -1.67%
|
23.60
|
24.80
|
23.20
|
23.60
|
23.60
|
5.06
|
188,000
|
|
|
3/14/2011
|
-1.30 / -5.14%
|
26.00
|
26.80
|
23.70
|
24.00
|
24.93
|
5.14
|
254,400
|
|
|
3/11/2011
|
+1.50 / +6.30%
|
25.20
|
25.30
|
25.20
|
25.30
|
25.29
|
5.42
|
57,300
|
|
|
3/10/2011
|
+1.50 / +6.73%
|
23.20
|
23.80
|
23.20
|
23.80
|
23.66
|
5.10
|
67,800
|
|
|
3/9/2011
|
-1.10 / -4.70%
|
23.00
|
23.00
|
22.10
|
22.30
|
22.31
|
4.78
|
119,600
|
|
|
3/8/2011
|
-0.10 / -0.43%
|
23.60
|
23.80
|
23.30
|
23.40
|
23.59
|
5.01
|
100,800
|
|
|