NEW YORK (TheStreet) -- CHANGE IN RATINGS

CBOE Holdings

(CBOE) - Get Report

rated new Neutral at BofA/Merrill Lynch. $26 price target.

Cree

(CREE) - Get Report

rated new Overweight at Morgan Stanley. $75 price target. Company is a leader in the growing LED market and the stock is 34% below its recent highs.

Salesforce.com

(CRM) - Get Report

downgraded at ThinkEquity from Buy to Hold. New analyst has a $115 price target.

Heico

(HEI) - Get Report

upgraded at Stifel from Hold to Buy. $42 price target. Company has strong operating momentum and should benefit from increased global air travel.

Medtronic

(MDT) - Get Report

downgraded at UBS from Buy to Neutral. $33 price target. Estimates also cut, to match the company's new guidance.

Nasdaq OMX

I:IXIC

downgraded at Morgan Stanley from Overweight to Equal-weight. $22 price target. Company is facing lower trading volume.

Paychex

(PAYX) - Get Report

upgraded at Deutsche from Sell to Hold. Valuation call, based on a $25 price target.

Charles Schwab

(SCHW) - Get Report

downgraded at Morgan Stanley from Overweight to Equal-weight. $15 price target. Company will be hurt by lower interest rates.

Smart Technologies

(SMT)

rated new Buy at BofA/Merrill Lynch. $16.50 price target. Company has nearly half of the IWB market, which should continue to grow.

STOCK COMMENTS / EPS CHANGES

Accenture

(ACN) - Get Report

target lowered at Kaufman to $34. Company faces the potential for sluggish growth and price deflation. Sell rating.

American Eagle

(AEO) - Get Report

estimates lowered at Susquehanna through 2011. Company lowered its guidance, given slower sales. Positive rating and $16 price target.

American Eagle

(AEO) - Get Report

estimates increased at UBS through 2012. Management is more focused on increasing operating efficiency. Neutral rating and $13.50 price target.

TD Ameritrade

(AMTD) - Get Report

estimates, target reduced at Morgan Stanley. AMTD estimates were cut through 2012. Company will be hurt by lower interest rates. Overweight rating and new $25 price target.

Burger King

(BKC)

numbers reduced at Credit Suisse. Shares of BKC now seen reaching $19. Estimates also lowered, given the company's lower sales and margin outlook. Neutral rating.

Rockwell Collins

(COL)

numbers boosted at Citigroup. Shares of COL now seen reaching $62. Estimates also upped, given a better outlook for commercial systems. Hold rating.

Dollar General

(DG) - Get Report

target lowered at ThinkEquity to $30, ThinkEquity said. Company faces difficult growth comps. Hold rating.

Guess

(GES) - Get Report

estimates, target lowered at Piper. Shares of GES now seen reaching $49. Estimates also cut, given a more moderate retail sales outlook. Overweight rating.

Jo-Ann Stores

( JAS) estimates raised at Keybanc through 2011. Company is seeing better demand for crafts and fabric. Buy rating and $50 price target.

JDS Uniphase

(JDSU)

estimates raised at Citigroup through 2012. Company is realizing a higher operating margin. Buy rating and $17.50 price target.

NYSE Euronext

(NYX)

estimates cut at Morgan Stanley through 2012. Company likely to face lower US equity volumes. Equal-weight rating and $36 price target.

Semtech

(SMTC) - Get Report

estimates, target upped at Citigroup. SMTC estimates were boosted through 2012. Company is keeping costs down and seeing better sales growth. Hold rating and new $21 price target.

Warnaco

(WRC)

estimates increased at BofA/Merrill. WRC estimates were raised through 2012. Company is seeing better sales, which is driving margin expansion. Buy rating.

This article was written by a staff member of TheStreet.