Closing price on 8/31/2010
|
|
Open |
13.90 |
High |
14.10 |
Low |
13.60 |
Volume |
270,760 |
Split-adjusted Price |
12.09 |
|
|
VST Historical Quote
Date
|
Change
|
Open
|
High
|
Low
|
Close
|
Average
|
Adjusted Close
|
Volume
|
|
8/31/2010
|
+0.40 / +2.94%
|
13.90
|
14.10
|
13.60
|
14.00
|
14.00
|
12.09
|
270,760
|
|
8/30/2010
|
+0.60 / +4.62%
|
13.60
|
13.60
|
13.60
|
13.60
|
13.60
|
11.75
|
43,370
|
|
8/27/2010
|
-0.20 / -1.52%
|
13.20
|
13.30
|
12.90
|
13.00
|
13.20
|
11.23
|
131,370
|
|
8/26/2010
|
+0.50 / +3.94%
|
13.00
|
13.30
|
12.60
|
13.20
|
13.20
|
11.40
|
146,410
|
|
8/25/2010
|
-0.60 / -4.51%
|
13.00
|
13.30
|
12.70
|
12.70
|
12.70
|
10.97
|
401,360
|
|
8/24/2010
|
-0.50 / -3.62%
|
13.60
|
13.60
|
13.30
|
13.30
|
13.30
|
11.49
|
227,960
|
|
8/23/2010
|
-0.40 / -2.82%
|
14.20
|
14.20
|
13.70
|
13.80
|
13.80
|
11.92
|
120,270
|
|
8/20/2010
|
+0.30 / +2.16%
|
13.90
|
14.20
|
13.80
|
14.20
|
13.90
|
12.26
|
117,850
|
|
8/19/2010
|
-0.40 / -2.80%
|
14.30
|
14.40
|
13.90
|
13.90
|
13.90
|
12.00
|
189,690
|
|
8/18/2010
|
-0.40 / -2.72%
|
14.80
|
14.80
|
14.30
|
14.30
|
14.30
|
12.35
|
96,790
|
|
8/17/2010
|
+0.30 / +2.08%
|
14.20
|
15.00
|
14.20
|
14.70
|
14.70
|
12.70
|
218,120
|
|
8/16/2010
|
+0.60 / +4.35%
|
14.10
|
14.40
|
14.10
|
14.40
|
14.40
|
12.44
|
145,340
|
|
8/13/2010
|
-0.40 / -2.82%
|
13.70
|
14.00
|
13.50
|
13.80
|
13.75
|
11.92
|
241,630
|
|
8/12/2010
|
-4.80 / -25.26%
|
15.10
|
15.10
|
14.20
|
14.20
|
14.20
|
12.26
|
314,050
|
|
8/11/2010
|
-0.20 / -1.04%
|
19.40
|
19.50
|
18.80
|
19.00
|
19.18
|
12.88
|
280,560
|
|
8/10/2010
|
-0.90 / -4.48%
|
20.00
|
20.00
|
19.10
|
19.20
|
19.20
|
13.02
|
401,340
|
|
8/9/2010
|
-0.40 / -1.95%
|
20.80
|
20.80
|
20.00
|
20.10
|
20.10
|
13.63
|
307,690
|
|
8/6/2010
|
+0.10 / +0.49%
|
20.30
|
21.30
|
20.30
|
20.50
|
20.40
|
13.90
|
209,090
|
|
8/5/2010
|
-0.40 / -1.92%
|
20.90
|
20.90
|
20.40
|
20.40
|
20.40
|
13.83
|
146,810
|
|
8/4/2010
|
-0.10 / -0.48%
|
21.00
|
21.00
|
20.50
|
20.80
|
20.80
|
14.10
|
206,600
|
|
8/3/2010
|
0.00 / 0.00%
|
20.90
|
21.20
|
20.80
|
20.90
|
20.90
|
14.17
|
94,920
|
|
8/2/2010
|
-0.30 / -1.42%
|
21.00
|
21.40
|
20.90
|
20.90
|
20.90
|
14.17
|
64,490
|
|
7/30/2010
|
0.00 / 0.00%
|
21.20
|
21.70
|
21.20
|
21.20
|
21.20
|
14.37
|
136,490
|
|
7/29/2010
|
+0.60 / +2.91%
|
21.60
|
21.60
|
20.60
|
21.20
|
21.20
|
14.37
|
137,180
|
|
7/28/2010
|
-0.50 / -2.37%
|
21.10
|
21.10
|
20.40
|
20.60
|
20.60
|
13.97
|
156,010
|
|
7/27/2010
|
0.00 / 0.00%
|
21.10
|
21.50
|
21.10
|
21.10
|
21.10
|
14.31
|
120,700
|
|
7/26/2010
|
-0.20 / -0.94%
|
21.30
|
21.90
|
21.10
|
21.10
|
21.10
|
14.31
|
249,880
|
|
7/23/2010
|
-0.50 / -2.29%
|
21.80
|
22.00
|
21.30
|
21.30
|
21.80
|
14.44
|
240,100
|
|
7/22/2010
|
-0.40 / -1.80%
|
22.20
|
22.20
|
21.70
|
21.80
|
21.80
|
14.78
|
107,850
|
|
7/21/2010
|
-0.40 / -1.77%
|
22.60
|
22.70
|
22.20
|
22.20
|
22.20
|
15.05
|
120,280
|
|
|