|
Closing price on 5/10/2011
|
|
| Open |
17.50 |
| High |
18.40 |
| Low |
17.50 |
| Volume |
198,400 |
| Split-adjusted Price |
3.92 |
|
|
STP Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
5/10/2011
|
+0.70 / +3.98%
|
17.50
|
18.40
|
17.50
|
18.30
|
18.36
|
3.92
|
198,400
|
|
|
5/9/2011
|
0.00 / 0.00%
|
17.30
|
18.00
|
16.70
|
17.60
|
17.23
|
3.77
|
104,800
|
|
|
5/6/2011
|
+0.50 / +2.92%
|
17.60
|
17.70
|
17.00
|
17.60
|
17.30
|
3.77
|
61,500
|
|
|
5/5/2011
|
-0.90 / -5.00%
|
18.00
|
18.00
|
17.10
|
17.10
|
17.42
|
3.66
|
79,700
|
|
|
5/4/2011
|
-0.70 / -3.74%
|
19.00
|
19.00
|
18.00
|
18.00
|
18.32
|
3.86
|
52,800
|
|
|
4/29/2011
|
+0.50 / +2.75%
|
18.70
|
19.20
|
18.20
|
18.70
|
18.85
|
4.01
|
145,500
|
|
|
4/28/2011
|
-1.20 / -6.19%
|
19.40
|
19.50
|
18.10
|
18.20
|
18.68
|
3.90
|
160,400
|
|
|
4/27/2011
|
0.00 / 0.00%
|
19.90
|
20.00
|
19.00
|
19.40
|
19.39
|
4.16
|
54,200
|
|
|
4/26/2011
|
-1.50 / -7.18%
|
21.10
|
21.10
|
19.30
|
19.40
|
19.72
|
4.16
|
104,100
|
|
|
4/25/2011
|
+0.90 / +4.50%
|
19.60
|
20.90
|
19.60
|
20.90
|
20.70
|
4.48
|
176,200
|
|
|
4/22/2011
|
-0.10 / -0.50%
|
20.20
|
20.20
|
19.20
|
20.00
|
19.59
|
4.29
|
93,200
|
|
|
4/21/2011
|
-0.40 / -1.95%
|
20.00
|
20.90
|
20.00
|
20.10
|
20.40
|
4.31
|
96,700
|
|
|
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
|
|
|