| 日期 | 代碼 | 券商 | 原評等→升級後評等 | 新目標價 |
| 2012/3/21 | HERO | FBR Capital | Underperform >> Mkt Perform | $3 >> $5.75 |
| 2011/5/3 | HERO | FBR Capital | Underperform >> Outperform | 8.5 |
| 2011/4/15 | HERO | Howard Weil | Market Perform >> Market Outperform | $7 >> $8 |
| 2011/4/7 | HERO | Global Hunter Securities | Neutral >> Buy | $5.30 >> $7 |
| 2010/3/2 | HERO | CapitalOne southcoast | Neutral >> Add | $6 >> $7 |