Tuesday's Analysts' Upgrades, Downgrades

Change in Ratings

Brink's(BCO Quote) upgraded at Jefferies to buy rating from hold. Price target upped to $80 from $64 and fiscal-year 2008 EPS estimates lift to $3.50 from $2.80.

Cott(COT Quote) downgraded at UBS to neutral rating from buy. Price target slashed to $4.50 from $8.00 and fiscal-year 2009 EPS estimates cut to 19 cents from 34 cents.

Del Monte Foods(DLM Quote) downgraded at Wachovia to market perform. Estimates also cut ahead of earnings, as tuna pricing and higher industry costs should cut into margins.

Foster Wheeler(FWLT Quote) upgraded at Oppenheimer from perform to outperform. $90 price target. Company trades at a discount to its peers, but should benefit greatly from sustainably higher commodity prices.

National Financial Partners(NFP Quote) downgraded at Citigroup from buy to hold with a $32 price target. Company lacks near-term catalysts, and estimates were also cut because of the less robust M&A outlook.

NSTAR(NST Quote) upgraded at UBS to buy rating from neutral. Price target holds at $38 while fiscal-year 2009 EPS estimates lifts to $2.42 from $2.40.

OmniVision Tech(OVTI Quote) upgraded at Jefferies to buy rating from hold. Price target upped to $20 from $16.50 while fiscal-year 2008 EPS estimates dip to $1.36 from $1.49.

PG&E(PCG Quote) upgraded at JPMorgan from neutral to overweight. Stock looks oversold, despite rising costs and the dilution of the recent equity offering. Company remains on track to deliver above-average annual earnings growth of 8%.

Rite Aid(RAD Quote) upgraded at JPMorgan from neutral to overweight. Stock has pulled back to an attractive level, ahead of the upcoming same-store sales and quarterly earnings report.

Stock Comments/EPS Changes

Gold Fields Ltd.(GFI Quote) price target cut at Goldman to $19 from $22 due to electricity crisis in South Africa. Management sees 20% to 25% production loss in the first quarter. See attractive valuation. Maintained buy rating.

Nordstrom(JWN Quote) estimates cut at Deutsche Bank by 25 cents to $2.81 a share to reflect management guidance. Maintained hold rating.

Lowe's(LOW Quote) estimates cut at Deutsche Bank by 17 cents to $1.57 a share as 2008 outlook suggests another year of mid-single digit comp declines.