Also see: AIG, Micron: Analysts' New Ratings

NEW YORK (

TheStreet

) --

STOCK COMMENTS/EPS CHANGES

TD Ameritrade

(AMTD) - Get Report

estimates were lowered through 2012 at UBS. Trading activity is declining. Neutral rating and $23 price target.

Cliffs Natural

(CLF) - Get Report

estimates were raised through 2013 at Morgan Stanley. Company has potential positive catalysts ahead. Equal-weight rating.

Darling

(DAR) - Get Report

estimates were boosted through 2013 at Goldman Sachs. Company is leveraged to higher by-product prices. Buy rating.

DeVry

(DV)

price target lifted to $48 from $42 at Credit Suisse. CFO to retire but Gainful Employment ruling removes uncertainty. Maintain neutral rating.

CarMax

(KMX) - Get Report

estimates were reduced through 2012 at Oppenheimer. Disruptions in the auto supply chain and higher gas prices could weigh on near-term results. Outperform rating.

Motorola Mobility

(MMI) - Get Report

estimates were increased through 2012 at UBS. Company is growing through better exposure with Sprint. Buy rating and $34 price target.

National Semiconductor

(NSM)

price target raised at Credit Suisse to $25 from $14 as industrials and communications drive upside. Maintain neutral rating.

Newell Rubbermaid

(NWL) - Get Report

is now seen reaching $16 at Jefferies. Estimates were also cut, given the company's new guidance. Hold rating.

Prudential

(PRU) - Get Report

estimates were boosted through 2012 at FBR Capital Markets. Company is buying back more stock. Outperform rating.

Plains Exploration

(PXP)

is now seen reaching $52 at Goldman Sachs. Estimates were also upped, given better production growth. Buy rating.

Research In Motion

( RIMM) target was cut to $42 at ThinkEquity. Company lacks earnings visibility. Hold rating.

J.M. Smucker

(SJM) - Get Report

estimates were raised through 2013 at Goldman Sachs. Company continues to execute well, despite rising input costs. Neutral rating and new $82 price target.

Under Armour

(UA) - Get Report

is now seen reaching $74 at Goldman Sachs. Estimates were also increased, as new products should help drive growth.

Vecco Instruments

(VECO) - Get Report

price target was lifted at Bank of America/Merrill Lynch to $62 from $55 on China's MOCVD order momentum. Estimates were boosted through 2012. Company continues to see strong demand from China. Maintain buy rating.

End of report.

This article was written by a staff member of TheStreet.