|
Closing price on 8/31/2011
|
|
| Open |
17.00 |
| High |
17.90 |
| Low |
16.20 |
| Volume |
336,300 |
| Split-adjusted Price |
3.64 |
|
|
STP Historical Quote
|
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
|
8/31/2011
|
+0.30 / +1.80%
|
17.00
|
17.90
|
16.20
|
17.00
|
17.11
|
3.64
|
336,300
|
|
|
8/30/2011
|
+0.70 / +4.38%
|
17.00
|
17.00
|
16.70
|
16.70
|
16.99
|
3.58
|
434,400
|
|
|
8/29/2011
|
+1.00 / +6.67%
|
15.50
|
16.00
|
15.50
|
16.00
|
15.88
|
3.43
|
257,800
|
|
|
8/26/2011
|
-0.20 / -1.32%
|
15.00
|
15.30
|
14.70
|
15.00
|
15.03
|
3.21
|
106,900
|
|
|
8/25/2011
|
+0.40 / +2.70%
|
15.00
|
15.40
|
14.50
|
15.20
|
14.97
|
3.26
|
107,800
|
|
|
8/24/2011
|
-0.50 / -3.27%
|
15.50
|
15.90
|
14.60
|
14.80
|
15.08
|
3.17
|
189,400
|
|
|
8/23/2011
|
-0.20 / -1.29%
|
15.70
|
16.10
|
15.10
|
15.30
|
15.47
|
3.28
|
192,100
|
|
|
8/22/2011
|
+1.20 / +8.39%
|
15.00
|
15.50
|
15.00
|
15.50
|
15.45
|
3.32
|
67,400
|
|
|
8/19/2011
|
-0.40 / -2.72%
|
14.50
|
15.00
|
14.00
|
14.30
|
14.45
|
3.06
|
135,500
|
|
|
8/18/2011
|
+0.50 / +3.52%
|
14.90
|
14.90
|
14.50
|
14.70
|
14.83
|
3.15
|
245,400
|
|
|
8/17/2011
|
+0.90 / +6.77%
|
13.50
|
14.20
|
13.50
|
14.20
|
14.01
|
3.04
|
124,600
|
|
|
8/16/2011
|
+0.30 / +2.31%
|
13.20
|
13.50
|
13.20
|
13.30
|
13.31
|
2.85
|
80,500
|
|
|
8/15/2011
|
-0.30 / -2.26%
|
13.10
|
13.20
|
13.00
|
13.00
|
13.09
|
2.79
|
27,000
|
|
|
8/12/2011
|
+0.20 / +1.53%
|
13.20
|
13.30
|
13.10
|
13.30
|
13.17
|
2.85
|
45,200
|
|
|
8/11/2011
|
-0.30 / -2.24%
|
13.00
|
13.30
|
12.90
|
13.10
|
13.12
|
2.81
|
52,900
|
|
|
8/10/2011
|
+0.50 / +3.88%
|
13.40
|
13.70
|
13.20
|
13.40
|
13.36
|
2.87
|
68,600
|
|
|
8/9/2011
|
-0.70 / -5.15%
|
13.00
|
13.10
|
12.90
|
12.90
|
12.93
|
2.76
|
237,600
|
|
|
8/8/2011
|
-0.60 / -4.23%
|
14.20
|
14.30
|
13.40
|
13.60
|
13.80
|
2.91
|
42,200
|
|
|
8/5/2011
|
0.00 / 0.00%
|
14.00
|
14.60
|
13.90
|
14.20
|
14.19
|
3.04
|
103,100
|
|
|
8/4/2011
|
+0.70 / +5.19%
|
13.80
|
14.20
|
13.50
|
14.20
|
14.05
|
3.04
|
113,200
|
|
|
8/3/2011
|
+0.10 / +0.75%
|
13.40
|
13.60
|
13.20
|
13.50
|
13.32
|
2.89
|
73,300
|
|
|
8/2/2011
|
-0.40 / -2.90%
|
13.80
|
13.80
|
13.20
|
13.40
|
13.39
|
2.87
|
92,500
|
|
|
8/1/2011
|
-0.20 / -1.43%
|
14.00
|
14.00
|
13.80
|
13.80
|
13.90
|
2.96
|
53,100
|
|
|
7/29/2011
|
-0.10 / -0.71%
|
14.00
|
14.10
|
13.90
|
14.00
|
13.97
|
3.00
|
113,900
|
|
|
7/28/2011
|
+0.20 / +1.44%
|
14.00
|
14.50
|
13.90
|
14.10
|
14.12
|
3.02
|
38,000
|
|
|
7/27/2011
|
-0.30 / -2.11%
|
14.20
|
14.20
|
13.90
|
13.90
|
14.04
|
2.98
|
97,400
|
|
|
7/26/2011
|
-0.10 / -0.70%
|
14.20
|
14.50
|
14.00
|
14.20
|
14.15
|
3.04
|
99,800
|
|
|
7/25/2011
|
0.00 / 0.00%
|
14.40
|
14.40
|
14.20
|
14.30
|
14.27
|
3.06
|
42,500
|
|
|
7/22/2011
|
-0.30 / -2.05%
|
14.80
|
14.80
|
14.30
|
14.30
|
14.43
|
3.06
|
30,200
|
|
|
7/21/2011
|
-0.30 / -2.01%
|
14.60
|
15.00
|
14.60
|
14.60
|
14.77
|
3.13
|
40,700
|
|
|