Editor's Note: Green and red arrows refer to intraday stock price movement.

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Alexion Pharmaceuticals ( ALXN) numbers raised at Citigroup. Shares of ALXN now seen reaching $79. Estimates also increased, to match the company's new guidance. Buy rating.

Alexion Pharmaceuticals ( ALXN) downgraded at Jefferies from Buy to Hold. Valuation call, based on a $69 price target.

Digital Realty Trust ( DLR) initiated at Barclays with an Overweight rating and $72 price target. Data centers will benefit from strong secular demand growth in the coming years.

F5 Networks ( FFIV) downgraded at Barclays to Equal Weight from Overweight. Checks suggest a blip in the rapid growth in server virtualization space in the near term. Price target raised to $95 from $90.

Starwood Hotels ( HOT) rated new Buy at Jefferies. $64 price target. Company owns key assets in larger urban and luxury markets.

Penn National ( PENN) numbers upped at Morgan Stanley. PENN estimates were boosted through 2011. Company is seeing better results in WV and PA. Overweight rating and new $38 price target.

Penn National ( PENN) upgraded at Jefferies from Hold to Buy. $41 price target. Company is performing well and faces easier near-term comps.

Polycom ( PLCM) estimates, target upped at UBS. PLCM estimates were boosted through 2011. Company is seeing better enterprise and government demand. Neutral rating and new $32 price target.

Polycom ( PLCM) upgraded at Wells to Outperform. Estimates also boosted, given the company's strong earnings momentum.

Riverbed Technology ( RVBD) target, estimates raised at Barclays. RVBD price target climbed to $50 from $38 on strong 3Q results with operating margins well ahead of estimates. 2010 and 2011 EPS estimates lifted to $1.15 and $1.50, respectively. Maintain Overweight rating.

Riverbed Technology ( RVBD) upgraded at Jefferies from Hold to Buy. $60 price target. Company is becoming a clear market leader in WAN optimization.

Riverbed Technology ( RVBD) upgraded at Canaccord from Hold to Buy. $60 price target. Company is realizing positive catalysts sooner than expected.

Union Pacific ( UNP) price target raised at Credit Suisse to $110 from $107. Strong 3Q results, due to higher pricing, topped estimates. Maintain Outperform rating.

Union Pacific ( UNP) upgraded at Wells to Outperform. Company continues to expand its margins, despite lower volumes.

Union Pacific ( UNP) downgraded at Baird from Outperform to Neutral. $93 price target. Volume growth is decelerating and incremental margins could moderate.

URS ( URS) rated new Buy at Keybanc. $50 price target. Stock is already pricing in fears of lower defense spending.

Whiting Petroleum ( WLL) downgraded at Wells Fargo from Outperform to Market Perform. Valuation call, as the company's growth in the Bakken shale faces operational hurdles.

STOCK COMMENTS / EPS CHANGES

Amazon.com ( AMZN) price target boosted at Credit Suisse to $145 from $115. In-line 3Q earnings, company appears to be in a reinvestment cycle. Maintain Neutral rating.

Amazon.com ( AMZN) estimates cut at Barclays. AMZN 2010 and 2011 EPS estimates dropped to $2.41 and $3.18, respectively. Strong holiday season expected, but will likely come with higher costs. Maintain Overweight rating and $180 target.

American Express ( AXP) estimates increased at Morgan Stanley through 2012. Company is seeing higher fee income and lower loss provisions. Overweight rating and $52 price target.

Baxter ( BAX) estimates, target boosted at Citigroup. Shares of BAX now seen reaching $45. Estimates also upped, because of better organic sales growth. Sell rating.

Baxter ( BAX) estimates, target raised at Morgan Stanley. Shares of BAX now seen reaching $56. Estimates also increased, given a sharper IVIG recovery. Overweight rating.

BB&T ( BBT) estimates, target reduced at UBS. BBT estimates were lowered through 2012. Company continues to realize higher credit losses. Neutral rating and new $23 price target.

CA Inc. ( CA) price target higher at Credit Suisse. CA price target raised to $22 from $20. Solid 2Q results with strong bookings driven by distribution business. Maintain Neutral rating.

Caterpillar ( CAT) price target boosted at Barclays. CAT price target increased to $85 from $76. Solid 3Q10 beat and raised outlook for the remainder of the year on continued end-market momentum. Maintain Equal Weight rating.

Caterpillar ( CAT) estimates, target boosted at Morgan Stanley. Shares of CAT now seen reaching $100. Estimates also increased, as better engine sales are driving higher margins. Overweight rating.

Chubb ( CB) estimates, target raised at UBS. Shares of CB now seen reaching $64. Estimates also increased, given reserve releases. Buy rating.

Cooper Industries ( CBE) target raised, estimates changed at Barclays. CBE price target increased to $63 from $60 on strong results with bullish 2011 outlook. 2010 EPS estimate trimmed to $3.19, 2011 lifted to $3.70. Maintain Overweight rating.

Cooper Industries ( CBE) numbers upped at Morgan Stanley. CBE estimates were raised through 2012. Company is delivering strong organic sales growth. Overweight rating and new $63 price target.

Costco ( COST) estimates, target raised at Morgan Stanley. Shares of COST now seen reaching $71. Estimates also increased, given renewed store and membership fee growth. Overweight rating.

Citrix Systems ( CTXS) price target cut at Credit Suisse. CTXS price target lowered to $47.50 from $50 on disappointing results with weak XenDesktop bookings. Maintain Neutral rating.

Cypress Semiconductor ( CY) numbers raised at UBS. Shares of CY now seen reaching $13. Estimates also increased, as touch controller sales are driving higher margins. Neutral rating.

Cymer ( CYMI) price target lifted at Credit Suisse. CYMI price target raised to $40 from $38 as share gains at Samsung help an otherwise mixed quarter. Maintain Outperform rating.

Danaher ( DHR) estimates, target increased at Morgan Stanley. DHR estimates were raised through 2012. Company posted double-digit core growth and is running at a record gross margin. Overweight rating and new $50 price target.

Walt Disney ( DIS) target raised at Morgan Stanley to $43. Company can generate 17%-20% annual earnings growth over the next two years. Overweight rating.

Diamond Offshore ( DO) estimates reduced at Morgan Stanley through 2012. Operators are shifting toward newbuild rigs. Underweight rating and $57 price target.

ITT Educational Services ( ESI) numbers cut at Credit Suisse. ESI price target reduced to $50 from $57. Weak 3Q results showed that concerns about start issues may worsen. 2010 and 2011 EPS estimates dropped to $11.11 and $10, respectively. Neutral rating.

ITT Educational ( ESI) numbers cut at UBS. Shares of ESI now seen reaching $60. Estimates also reduced, given regulatory uncertainty. Neutral rating.

First Solar ( FSLR) estimates boosted at Barclays. FSLR 2010 and 2011 EPS estimates increased to $7.60 and $8.55, respectively. Expecting strong 3Q10 results with upbeat 2011 outlook. Maintain Equal Weight rating and $140 price target.

Fortinet ( FTNT) estimates, target boosted at Morgan Stanley. Shares of FTNT now seen reaching $30. Estimates also upped, given better traction for UTM and the company's solid market position. Overweight rating.

Hershey Foods ( HSY) numbers increased at Citigroup. HSY estimates were raised through 2011. Company has better visibility heading into the new year. Buy rating and new $60 price target.

Hubbell ( HUB.B) estimates, target increased at Morgan Stanley. HUB.B estimates were raised through 2012. Company is seeing better demand for industrial and high-voltage test equipment. Equal-weight rating and new $57 price target.

Kellogg ( K) estimates, target lowered at Morgan Stanley. Shares of K now seen reaching $54. Estimates also reduced, as the company is struggling to deliver in a difficult operating environment. Overweight rating.

McDonald's ( MCD) estimates, target boosted at UBS. Shares of MCD now seen reaching $86. Estimates also upped, as sales growth is accelerating. Buy rating.

MSC Industrial ( MSM) numbers boosted at Morgan Stanley. Shares of MSM now seen reaching $49. Estimates also upped, given improving sales growth. Underweight rating.

Noble ( NE) estimates, target upped at Citigroup. NE estimates were boosted through 2011. Company is cutting operating costs. Buy rating and new $42 price target.

Newfield Exploration ( NFX) numbers upped at Citigroup. NFX estimates were boosted through 2011. Company is accelerating its production shift toward oil and liquids. Buy rating and new $68 price target.

Nokia ( NOK) price target higher at Barclays. NOK price target lifted by a dollar to $14 as 3Q was above expectations. Maintain Overweight rating.

Nucor ( NUE) estimates, target lowered at Citigroup. Shares of NUE now seen reaching $53. Estimates also cut, to match the company's new guidance. Buy rating.

PPG Industries ( PPG) numbers raised at Citigroup. Shares of PPG now seen reaching $86. Estimates also increased, as the company is seeing higher auto demand. Buy rating.

Reliance Steel ( RS) numbers cut at UBS. Shares of RS now seen reaching $55. Estimates also lowered, to match the company's new guidance. Buy rating.

Sigma-Aldrich ( SIAL) numbers increased at UBS through 2011. Company continues to see volumes rebound. Buy rating and new $70 price target.

Sandisk ( SNDK) estimates increased at UBS through 2011. Company is realizing a higher gross margin. Buy rating and $50 price target.

TCF Financial ( TCB) target, estimates trimmed at Credit Suisse. TCB price target cut by a dollar to $17. Weaker than expected credit quality trends drive EPS lower. 2010 and 2011 EPS estimates fall to $1.06 and $1.07, respectively. Neutral rating.

Travelers ( TRV) estimates, target boosted at UBS. Shares of TRV now seen reaching $64. Estimates also upped, as the company is gaining market share. Buy rating.

Televisa ( TV) price target raised at Credit Suisse. TV price target lifted to $25.50 from $24. Strong 3Q10 results due to higher margins. Maintain Outperform rating.

Under Armour ( UA) numbers upped at UBS. UA estimates were boosted through 2011. Company is seeing better demand for cold-weather gear and growing its international margins. Buy rating and new $52 price target.

UPS ( UPS) target, estimates boosted at Barclays. UPS price target raised to $86 from $84. 3Q results display the significant leverage the company has to an improving economy. 2010 and 2011 EPS estimates lifted to $3.55 and $4.30, respectively. Overweight rating.
This article was written by a staff member of TheStreet.