Monday's Analysts' Upgrades, Downgrades

Change in Ratings

American Int'l. Group(AIG Quote) downgraded at Credit Suisse from outperform to neutral. New analyst also has a $53 price target. Company has several headwinds that will limit near-term upside.

Masimo(MASI Quote) upgraded at Citigroup from hold to buy with a $33 price target. Expect strong earnings Tuesday and FDA approval for hemoglobin monitoring in the second half of 2008. Also believe that post lock-up selling has largely run its course.

Motorola(MOT Quote) downgraded at Weisel from overweight to market-weight, with an $11 price target. Handset sales continue to be a drag, offsetting improving performance in other areas.

Northern Trust(NTRS Quote) downgraded at Deutsche from buy to hold with an $80 price target. Stock has already seen a benefit from interest rate cuts, and does not have the cost-cutting benefits that its competitors that merged do.

Visa(V Quote) rated new hold at Citigroup with a $78 price target. Stock is already up 60% since its IPO, and only see 9% potential return.

Visa rated new equal-weight at Morgan Stanley and $75 price target. Stock is up 33% from its first day of trading, and is already discounting a couple of years of strong growth.

Visa rated new buy at Goldman. Believes leading brand deserves a premium. Sets $90 target price.

Weingarten Realty Investors(WRIl Quote) downgraded at UBS to sell rating from neutral. Fiscal year 2008 EPS estimates hold at $3.18 while price target lifts to $34 from $30.