May 2011
| Date |
Price/lb |
Roll Avg |
| 5/2/2011 |
$4.1825 |
|
| 5/3/2011 |
$4.2400 |
$4.2113 |
| 5/4/2011 |
$4.1205 |
$4.1810 |
| 5/5/2011 |
$3.9855 |
$4.1321 |
| 5/6/2011 |
$3.9635 |
$4.0984 |
| 5/9/2011 |
$4.0040 |
$4.0827 |
| 5/10/2011 |
$4.0295 |
$4.0751 |
| 5/11/2011 |
$3.9020 |
$4.0534 |
| 5/12/2011 |
$3.9605 |
$4.0431 |
| 5/13/2011 |
$3.9750 |
$4.0363 |
| 5/16/2011 |
$3.9830 |
$4.0315 |
| 5/17/2011 |
$3.9910 |
$4.0281 |
| 5/18/2011 |
$4.1095 |
$4.0343 |
| 5/19/2011 |
$4.0470 |
$4.0353 |
| 5/20/2011 |
$4.1190 |
$4.0408 |
| 5/23/2011 |
$3.9900 |
$4.0377 |
| 5/24/2011 |
$4.0125 |
$4.0362 |
| 5/25/2011 |
$4.1020 |
$4.0398 |
| 5/26/2011 |
$4.1070 |
$4.0434 |
| 5/27/2011 |
$4.1795 |
$4.0502 |
| 5/31/2011 |
$4.1735 |
$4.0560 |
