投資評等
最後更新日期:2012/2/12
升級(Upgrade)
| 日期/Date | 券商 Brokerage Firm | 原評等->升級後評等 Upgrade from: -> to: | 新目標價 New Target |
| 2005/6/1 | Needham Co | Buy->Strong Buy | 17 |
降級(Downgrade)
| 日期/Date | 券商 Brokerage Firm | 原評等->降級後評等 Upgrade from: -> to: | 新目標價 New Target |
| 2003/7/31 | Adams Harkness | Buy -> Mkt Perform | |
首次予以評等(Coverage Initiated)
| 日期/Date | 券商 Brokerage Firm | 原評等->升級後評等 Upgrade from: -> to: | 目標股價 |
| 2011/4/26 | Brigantine | Buy | 10 |
| 2009/11/6 | GC Research | Overweight | 7 |
| 2005/8/25 | Oppenheimer | Buy | 21 |
| 2004/10/13 | Needham Co | Buy | 13 |
| 2003/11/12 | AG Edwards | Buy | 30 |
| 2003/10/27 | AmTech Research | Buy | |
| 2002/11/8 | Adams Harkness | Buy | 19 |
恢復投資評等(Coverage Resumed)
| 日期/Date | 券商/Brokerage Firm | 恢復評等後等級/Resumed Rating | 目標股價Target |
| 查無資料 | | | |
重申相同投資評等(Coverage Reiterated)
| 日期/Date | 券商 Brokerage Firm | 重申相同投資評等 Reiterated Rating | 新目標價 New Target |
| 2009/7/30 | Wedbush Morgan | Underperform | $5 >> $6 |
| 2009/6/16 | Wedbush Morgan | Hold | $4 >> $5 |
| 2005/6/17 | AmTech Research | Buy | 14 |
| 2004/3/22 | Piper Jaffray | Outperform | $24 |
| 2004/2/5 | Piper Jaffray | Outperform | $23 |
| 2004/2/5 | Needham & Co | Buy | 26 |
| 2003/11/4 | AmTech Research | Buy | |
| 2003/10/30 | Ferris Baker Watts | Hold | |
| 2003/7/31 | Needham & Co | Buy | 16 |
| 2003/7/31 | Ferris Baker Watts | Hold | |