Analysts' Upgrades, Downgrades: Sun Micro

Change in Ratings

ADC Telecom(ADCT Quote) upgraded at Jefferies to buy rating from hold. Price target lifts to $19 from $15.50 and fiscal year 2008 EPS estimates upped to $1.20 from $1.16.

BearingPoint(BE Quote) upgraded at Goldman Sachs to neutral from sell based on valuation following steep decline in share price. See potential for improvement in revenue growth and cash flow generation. Price target unchanged at $1.50.

Fiserv(FISV Quote) downgraded at Goldman Sachs to neutral from buy based on limited upside potential. See modest risk/reward profile and limited near-term catalysts. Price target raised to $56 from $53.

Sun Microsystems(JAVA Quote) upgraded at Wachovia from market perform to outperform. Valuation call, though estimates were lowered to reflect uncertainty in large corporate hardware demand.

RF Micro Devices(RFMD Quote) upgraded at Merrill to buy with a $4.50 price target. Restructuring effort should lead to meaningful margin gains.

Sunstone Hotel(SHO Quote) downgraded at UBS to neutral rating from buy. Price target and fiscal year 2008 eps estimates hold at $22 and $3.10, respectively.

Staples(SPLS Quote) upgraded at Jefferies to buy rating from hold. Price target lifts to $28 from $21 while fiscal year 2009 EPS estimates hold at $1.41.

Zimmer(ZMH Quote) downgraded at Baird from outperform to neutral with a $74 price target. Durom hip cup issue could have a meaningful, negative effect on the company.