Friday's Analysts' Upgrades and Downgrades

Bear Stearns (BSC Quote) price target raised at Goldman Sachs: BSC estimates raised at Goldman. New target set at $182 from $155. 2007 EPS estimates rise to $16.05 from $14.70 and 2008 estimates rise to $17.40 from $15.70. Reiterates Neutral rating.

Ciena (CIEN Quote) numbers raised at UBS: CIEN numbers raised at UBS. Price target lifts to $27 from $24. 2007 EPS estimates rise to $1.17 from $0.97. Reiterates Reduce rating.

Charles River Labs (CRL Quote) numbers raised at Jefferies: CRL numbers raised at Jefferies. Price target rises to $44 from $42. 2007 EPS estimates lift to $2.46 from $2.40. Reiterates Hold rating.

Lehman Brothers (LEH Quote) numbers raised at Goldman Sachs: LEH numbers raised at Goldman. Price target lifts to $87 from $78.50. 2007 EPS estimates rise to $7.55 from $7.25 and 2008 estimates rise to $8.30 from $7.80. Reiterates Neutral rating.

Research in Motion (RIMM Quote) target price raised at Credit Suisse: Credit Suisse is raising its target price on RIMM to $75 from $65. Cites solid momentum but expectations are high. Maintained Underperform rating.

Thermo Fisher (TMO Quote) numbers raised at UBS: TMO numbers raised at UBS. Price target lifts to $56 from $52. Reiterates Buy rating.