Google: Analysts' Upgrades, Downgrades

NEW YORK (TheStreet) -- CHANGE IN RATINGS

AthenaHealth (ATHN) upgraded at Deutsche from Hold to Buy. Company has completed its accounting review and has a strong long-term growth outlook. $51 price target.

BlackRock (BLK) upgraded at Credit Suisse to Outperform from Neutral on valuation and expected stronger earnings. Price target lifted to $280. 2010 and 2011 EPS estimates raised to $11.36 and $13.50, respectively.

Cummins(CMI) upgraded at Sterne Agee from Neutral to Buy. $79 price target. Company had an upbeat analyst meeting and should begin returning more cash to investors.

Citrix Systems (CTXS) upgraded at Goldman from Sell to Neutral. Stock also removed from the Conviction List. Company will be a big winner from desktop virtualization. $52 price target.

Diamond Offshore (DO) downgraded at Credit Suisse to Underperform from Neutral on rising rig-on-rig competition. Price target reduced to $79 from $86. 2010 and 2011 EPS estimates lowered to $8.25 and $7.30, respectively.

Jack in the Box (JACK) upgraded at Goldman from Neutral to Buy. $27 price target. Estimates also raised, as margins are near a bottom.

STOCK COMMENTS / EPS CHANGES

Autodesk (ADSK) added to Conviction Buy List at Goldman Sachs. Company is in the early stages of operating margin improvement. $35 price target.

Albemarle (ALB) target, estimates boosted at BofA/Merrill. ALB price target raised to $48 from $42 on polymer additives and catalysts. Estimates increased through 2012. Maintain Buy rating.

TD Ameritrade (AMTD) estimates lowered at FBR through 2011. Company is seeing weaker trading activity. Outperform rating.

Abercrombie & Fitch (ANF) numbers boosted at Jesup & Lamont. Shares of ANF now seen reaching $55. Estimates also raised, because of higher sales. Buy rating.

Ariad Pharmaceuticals (ARIA) estimate changed at Barclays. ARIA 2010 EPS estimate introduced at -$0.57. Maintain Overweight rating and $7 price target.

BioMarin (BMRN) estimates, target boosted at UBS. Shares of BMRN now seen reaching $26. Estimates also raised, as GALNS data continues to come in positive. Buy rating.

Cummins (CMI) target, estimates boosted at Barclays to $74 from $64 after positive analyst day. 2010 and 2011 EPS estimates raised to $2.50 and $4.25, respectively. Maintain Overweight rating.