Analysts' Upgrades, Downgrades: Nvidia

Change in Ratings

American Tower (AMT Quote)upgraded RBC as the recent correction presents an attractive entry point. Stock raised to outperform from sector perform. Price target holds at $50.

Crown Castle(CCI Quote)upgraded RBC as the recent correction presents an attractive entry point. Stock raised to outperform from sector perform. Price target holds at $$47.

Eaton(ETN Quote) rated new equal-weight at Morgan Stanley with a $95 price target. Consensus earnings estimates look too high, and the stock should trade in-line with its peers.

Nvidia(NVDA Quote) downgraded at JPMorgan from overweight to neutral. Company lowered its guidance and warned of a $200 million charge for product flaws.

SBA Communications(SBAC Quote) upgraded at RBC to outperform rating from sector perform. Price target and fiscal year 2009 EBITDA estimates hold at $41 and $296.1 million, respectively.

UnitedHealth(UNH Quote) downgraded at UBS to neutral from buy. 2008 EPS estimates lowered to $2.90 from $3.55. Price target lowered to $28 from $40.

Stock Comments/EPS Changes

Affiliated Managers Group(AMG Quote) numbers lowered at CSFB. 2008 EPS estimates lowered to $6.16. from $6.62. Price target lowered to $93 from $102. Maintains outperform rating.

Black and Decker(BDK Quote) numbers lowered at UBS. 2008 EPS estimates lowered to $5.20 from $5.50. Price target lowered to $60 from $72. Maintains neutral rating.

BJ Wholesale Club(BJ Quote) numbers raised at Jefferies. Fiscal 2009 EPS estimates raised to $2.09 from $2.06. Price target raised to $49 from $43. Maintains buy rating.

Campbell Soup(CPB Quote) estimates raised at CSFB. 2008 EPS estimates raised to $2.09 from $2.04. Maintains neutral rating and $35 price target.