Change in Ratings

Broadcom

(BRCM)

downgraded to Neutral rating from Buy at UBS. Full-year 2007 EPS estimates lowered to $0.42 from $0.45, while price target holds at $39.

BorgWarner

(BWA) - Get Report

was downgraded from Outperform to Neutral at Robert Baird. $80 price target. Valuation call, though the company so far has been able to cut costs to combat rising nickel prices.

Comcast

(CMCSA) - Get Report

was upgraded from Hold to Buy at AG Edwards. Company posted a strong quarter, and continues to realize more revenue per customer. Estimates also raised. $33 price target.

Computer Sciences

(CSC)

upgraded to Buy rating from Neutral at UBS. Price target jumps to $65 from $56 and full-year 2008 EPS estimates raised to $4.12 from $4.07.

Morgan Stanley upgrades

ITT Educational Services

(ITT) - Get Report

Educational Services from underweight to equalweight, and raises price target from $73 to $104.

First Marblehead

(FMD)

was upgraded from Neutral to Overweight at JPMorgan. Residual charge removes some uncertainty from the stock, and the company's customer concentration is also declining.

GATX

(GMT)

downgraded to Hold rating from Buy at Jefferies. Price target and 2007 EPS estimates hold at $50 and $3.12, respectively.

Janus Capital

(JNS)

downgraded to Reduce rating from Neutral at UBS. Full-year 2007 EPS estimates lowered to $0.88 from $0.89, while price target holds at $23.

MBIA

(MBI) - Get Report

upgraded to Buy from Neutral at Goldman. See early signs of recovery in fundamentals for guarantors, with MBI poised to benefit disproportionately thanks to discipline during recent lackluster environment. First-quarter results showed impressive production, and management highlighted encouraging pipeline of deals. Target price raised to $80 from $69.

Morgan Stanley downgrades

Millenium Pharma

( MLNM) from equalweight to underweight, lowers price target from $9 to $8.

Microsoft

(MSFT) - Get Report

upgraded from Underperform to Sector Perform at CIBC. Company posted a solid quarter and gave upbeat fiscal 2008 guidance. R&D spending could yield even higher margins down the road.

MSFT was upgraded from Hold to Buy at Citigroup. $36 price target. Vista continues to sell, the enterprise market remains steady, and the company offered bullish fiscal 2008 guidance. Still believe the best is yet to come from the current product cycle.

Goldman is downgrading

Nortel

( NT) to Sell from Neutral, based on valuation and tough top-line outlook. Believe shares will face headwind of selling pressure from $1.9 billion in stock that will be distributed in next 12 months as a result of shareholder lawsuit. Maintained $24 target.

Netgear

(NTGR) - Get Report

upgraded to Neutral from Sell at Goldman. See healthy demand in company's distribution channel, with positive trends likely to bolster home networking arena. Price target raised to $34 from $26.50.

Credit Suisse is downgrading

Rock-Tenn

(RKT) - Get Report

to Underperform from Neutral. Believes company has an unattractive risk/reward balance. Raised target price to $34 from $30.

Stericycle

(SRCL) - Get Report

was downgraded to Hold at Citigroup. Valuation call, as near-term upside could be limited to $93 a share. In the meantime, the earnings outlook remains stable.

Stock Comments/EPS Changes

Credit Suisse is raising its target price on

Aetna

(AET)

to $45 from $40 following solid first-quarter results. Says growth targets are stemmed from riskier markets though and maintains its Underperform rating.

Boyd Gaming

(BYD) - Get Report

numbers lowered at Jefferies. Price target lowered to $60 from $62.75 and 2007 EPS estimates drop to $1.88 from $2.07. Reiterates Buy rating.

Target on

Amdocs

(DOX) - Get Report

increased to $47 from $41 at Goldman. Second-quarter results showed continuing strength in IT services sector. See increased confidence in AT&T's spending plans with Amdocs as preferred billing and IT vendor. Maintained Buy rating.

Credit Suisse is raising its target price on

Hanesbrands

(HBI) - Get Report

to $32 from $27 based on improved revenue trends. Maintained Outperform rating.

Laboratory Corp

(LH) - Get Report

numbers raised at Jefferies. Price target jumps to $86 from $76 and 2007 EPS estimates rise to $4.40 from $4.19. Reiterates Hold rating.

Credit Suisse is raising its 2007 EPS estimates on

McAfee

( MFE) to $1.43 from $1.38 following strong first-quarter results. Raised target price to $41 from $38.

Goldman said it is raising its target on

SanDisk

(SNDK)

to $53 from $46, based on higher royalty expectations. First-quarter earnings came in below estimates due to higher expenses, but Goldman believe increased royalties will more than offset this. Maintained Buy rating.

Sunpower

(SPWR) - Get Report

numbers raised at Jefferies. Price target raised to $56 from $36 and 2007 EPS estimates rise to $1.16 from $1.00. Reiterates Hold rating.

Credit Suisse is lowering its 2007 EPS estimates on

Western Digital

(WDC) - Get Report

to $2.05 from $2.15 following mixed third-quarter results. Maintained Outperform rating.

MEMC Electronics

(WFR)

numbers raised at Jefferies. Price target jumps to $80 from $60 and 2007 EPS estimates rise to $3.12 from $3.02. Reiterates Buy rating.