CHANGE IN RATINGS

Applied Materials upgraded at JP Morgan

7:46 AM EST

AMAT was upgraded from Neutral to Overweight, JP Morgan said. Solar equipment business shold drive above average growth beginning next year.

Applied Materials upgraded at Citigroup

7:42 AM EST

AMAT was upgraded from Hold to Buy, Citigroup said. $23 price target. Order sentiment could turn in the coming quarters, and the company has a unique solar opportunity.

Dollar Thrifty upgraded at Morgan Stanley

7:35 AM EST

Morgan Stanley upgrades Dollar Thrifty Auto Group from underweight to equalweight, but lowers price target from $34 to $30.

Financial Federal downgraded at FBR

7:20 AM EST

FBR said it is downgrading FIF to an Underperform rating as reserve build will negatively affect earnings. Target price is $18.

Iron Mountain downgraded at Merrill

7:48 AM EST

IRM was downgraded from Buy to Neutral, Merrill Lynch said. Stock is up 40% over the past 4 months, and moved through the $35 price target.

Limelight Networks downgraded at FBR

7:22 AM EST

FBR said it is downgrading LLNW to a Market Perform rating due to tough pricing environment, increased competition, and upcoming IPO lockup expiration.

Allscripts Healthcare downgraded at Jefferies

8:21 AM EST

MDRX downgraded to Hold rating from Buy at Jefferies. Price target slashed to $22.50 from $33 and FY 2008 eps estimates drop to $0.64 from $0.72.

3M downgraded at Goldman Sachs

8:31 AM EST

Goldman said it is downgrading MMM to Sell from Neutral due to concern over potential disappointing 2008 guidance related to U.S. consumer-related businesses. Note limited confidence that productivity gains can offset the loss of $200-$250 million optical film operating profit. Price target cut to $77 from $97.

Mannkind downgraded at JP Morgan

7:51 AM EST

MNKD was downgraded from Overweight to Neutral, JP Morgan said. New analyst believes that Pfizer's pulling of Exubera from the market has cast a pall across the entire inhalable insulin market.

Paccar upgraded at UBS

8:14 AM EST

PCAR upgraded to Neutral rating from Sell at UBS. Price target and FY 2008 eps estimates hold at $52 and $4, respectively.

Pioneer Natural Res. downgraded at Citigroup

7:41 AM EST

PXD was downgraded from Buy to Hold, Citigroup said. Valuation call, even though the company is on course to deliver 10% annual production growth. $58 price target.

Sierra Pacific downgraded at Citigroup

7:44 AM EST

SRP was downgraded from Buy to Hold, Citigroup said. $17.50 price target. Stock has bounced back from its lows, but risks remain to the company's rate base growth.

Thomson Corp. upgraded at Credit Suisse

7:58 AM EST

Credit Suisse said it is upgrading TOC to Outperform from Neutral. Cites undemanding valuation and positive catalysts arising from pending Reuters acquisition. Maintained $55 target price.

STOCK COMMENTS / EPS CHANGES

Dolby estimates increased at Goldman

8:44 AM EST

2008 estimates on DLB raised to $1.41 from $1.27, Goldman said. Better-than-expected Q4 results driven primarily by PC licensing segment. Price target raised to $50 from $48 and maintained Neutral rating.

Dolby estimates raised at Deutsche Bank

7:12 AM EST

Deutsche Bank said it is raising its 2008 estimates on DLB by 10 cents to $1.33 a share to reflect strong management guidance. Maintained Buy rating.

DTS estimates cut at Deutsche Bank

7:14 AM EST

Deutsche Bank said it is cutting its 2008 estimates on DTSI by 2 cents to 73 cents a share to reflect slow ramp of high-definition DVD and Sony PlayStation 3.

Ford estimates raised at UBS

8:16 AM EST

F estimates raised at UBS. FY 2008 eps estimates lift to $0.50 from loss of $0.20. Reiterates Neutral rating.

Monsanto estimates raised at Goldman

8:37 AM EST

2008 estimates on MON increased to $2.65 from $2.45, Goldman said. See company staying ahead of competition with continued trait penetration, new technologies like RR2Y beans, SmartStax and greater international growth. Also note rich pipeline and pure play focus on Ag markets. Price target raised to $112 from $89 and maintained Buy rating.

Nvidia estiamtes raised at UBS

8:18 AM EST

NVDA estimates raised at UBS. FY 2008 EPS estimates lift to $1.30 from $1.18. Reiterates Neutral rating.

Nvidia estimates raised at Deutsche Bank

7:26 AM EST

Deutsche Bank said it is raising its 2008 estimates on NVDA by 10 cents to $1.44 a share to reflect higher revenue and assumptions following strong quarter. Maintained Buy rating.

Orbitz Worldwide price target lowered at Goldman

8:39 AM EST

Goldman said it is cutting its target on OWW to $13 from $18 due to lower long-term earnings growth. See increased competition from Expedia, concern over slowdown in economic environment, and risk that company cannot eliminate consumer fees without adversely affecting profits. Maintained Buy rating.

Priceline.com estimates, target upped at Goldman

8:42 AM EST

Goldman said it is increasing its price target on PCLN to $130 from $95 following Q3 results that showed accelerating trends across all business metrics. See huge potential for continuing strength in international segment alongside margin expansion. 2007 estimates raised to $4.00 from $3.52 and maintained Buy rating.

Rofin-Sinar estimates rasied at FBR

7:19 AM EST

FBR said it is raising its 2008 estimates on RSTI by 27 cents to $4.35 a share following strong Q3 numbers. Target price raised to $100.