投資評等
最後更新日期:2012/5/27
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 |
| 2006/6/5 | Roth Capital | Sell Hold | 10.5 |
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 |
| 2006/5/10 | Sun Trust Rbsn Humphrey | Buy Neutral | |
| 2004/12/1 | Roth Capital | Buy->Neutral | 22.5 |
| 2004/5/5 | Jefferies & Co | Buy->Hold | |
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 |
| 2011/5/13 | William Blair | Outperform | |
| 2010/10/18 | Northland Securities | Outperform | 25 |
| 2009/9/4 | Sun Trust Rbsn Humphrey | Buy | 19 |
| 2005/9/9 | Sun Trust Rbsn Humphrey | Buy | 24 |
| 2003/10/14 | Roth Capital | Buy | 16 |
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 |
| 2011/5/19 | Northland Securities | Outperform | $30 >> $36 |
| 2011/1/11 | Northland Securities | Outperform | $25 >> $30 |
| 2009/7/31 | Jefferies & Co | Hold | $9 >> $12.50 |
| 2009/5/1 | Jefferies & Co | Hold | |
| 2007/5/31 | Roth Capital | Hold | |
| 2005/8/5 | Brean Murray | Accumulate | 19 |
| 2004/10/29 | Brean Murray | Buy | 30 |
| 2004/3/3 | Brean Murray | Strong Buy | $16 |