| 日期 | 代碼 | 券商 | 原評等→升級後評等 | 新目標價 |
| 2009/6/5 | MTN | Barclays Capital | Equal Weight >> Overweight | |
| 2008/12/15 | MTN | Wachovia | Mkt Perform Outperform | |
| 2004/11/22 | MTN | JMP Securities | Mkt Outperform->Strong Buy | |
| 2003/11/14 | MTN | Bear Stearns | Peer Perform -> Outperform | 18 |
| 2003/9/26 | MTN | JMP Securities | Mkt Perform -> Mkt Outperform | |