CHANGE IN RATINGS

Ambac Financial

( ABK) upgraded at Friedman, Billings Ramsey from Market Perform to Outperform. Stock looks undervalued, following the recent affirmation of the company's AAA credit rating by Moody's.

American Eagle Outfitters

(AEO) - Get Report

upgraded at Bear Stearns to Outperform from Peer Perform. Cites company is well-positioned in favorable teen sub-sector and valuation is compelling. Sets $30 target price.

Apria Healthcare

( AHG) upgraded at UBS to Neutral rating from Sell. Price target lifts to $24 from $22 and FY 2008 EPS estimates hold at $1.95.

Countrywide Financial

( CFC) downgraded at Citigroup from Buy to Hold. $12 price target. Company lacks near-term catalysts and continues to face a lot of headwinds. Estimates also cut.

Capital One Financial

(COF) - Get Report

downgraded at Citigroup from Hold to Sell. $45 price target. Estimates also cut, as credit quality is deteriorating. $45 price target.

Euronet Worldwide

(EEFT) - Get Report

upgraded at Citigroup from Sell to Hold. $29.50 price target. Remain bearish on the MGI acquisition, but that and other operating risks have already been priced into the stock.

MDU Resources

(MDU) - Get Report

upgraded at Citigroup from Hold to Buy. $31.50 price target. Bakken position is not fully valued in the stock, and the company will likely receive a favorable court ruling on its CBM development.

Pricline.com

(PCLN)

downgraded at Citigroup from Buy to Hold. $124 price target. Valuation call, as the stock is up 41% since earnings.

Savient Pharma

(SVNT)

upgraded at Merrill from Neutral to Buy. $28 price target. Believe that positive Phase III data will lead to FDA approval for Puricase.

Symantec

(SYMC) - Get Report

downgraded at Cowen to Neutral from Outperform. Cites slower unit growth and a more competitive landscape.

Terra Industries

( TRA) upgraded at Merrill to Buy. Earnings should be driven by higher prices for fertilizer nutrients. Earnings should double in 2008.

STOCK COMMENTS / EPS CHANGES

Apple

(AAPL) - Get Report

numbers raised at UBS. Price target lifts to $235 from $220 and FY 2008 EPS estimates upped to $5.05 from $4.73. Reiterates Buy rating.

American Express

(AXP) - Get Report

numbers reduced at Citigroup to $61 a share. Estimates also lowered through 2009, given the expectation for higher loss provisions. Buy rating.

Black & Decker

( BDK) target price cut at Deutsche Bank by $5 to $95 after company preannounced disappointing Q4 results. Maintained Buy rating.

Discover Financial

(DFS) - Get Report

numbers cut at Citigroup to $14 a share. Estimates also lowered, as mortgage weakness is starting to leak into the credit card sector. Sell rating.

ManTech

(MANT) - Get Report

numbers raised at Jefferies. Price target lifts to $50 from $48 and 2008 EPS estimates upped to $2.24 from $2.17. Reiterates Buy rating.

Annaly

(NLY) - Get Report

2008 estimates raised at Deutsche Bank by 31 cents to $2.06 a share as company should benefit from declining funding costs. Target price raised to $21.

Pier 1 Imports

(PIR) - Get Report

target price cut at Deutsche Bank from $6 to $4.75 as comps and gross margins are likely to disappoint for years. Maintained Hold rating.

Safeway

(SWY)

numbers raised at Morgan Stanley. Price target upped to $43 while FY 2008 EPS estimates hold at $2.16. Reiterates Over-weight rating.

WellCare Health Plans

(WCG) - Get Report

numbers raised at Jefferies. Price target lifts to $66 from $50 and 2009 EPS estimates upped to $5.65 from $5.50. Reiterates Buy rating.

Wells Fargo

(WFC) - Get Report

numbers lowered at Morgan Stanley. FY 2008 EPS estimates dip to $2.65 from $2.71 while price target holds at $30. Reiterates Equal-weight rating.