Analysts' Actions: GRPN, DD, T, VRTX, BBY, GE

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Ancestry.com ( ACOM) downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. Sales growth could decelerate in the coming quarters.

Adtran ( ADTN) downgraded at Jefferies from Buy to Hold, Jefferies said. $29.75 price target. Acquisition presents a major change in growth strategy.

Acme Packet ( APKT) upgraded at Morgan Keegan to Outperform, Morgan Keegan said. $45 price target. Wireless should drive growth in the coming quarters.

Avon ( AVP) upgraded at BMO from Market Perform to Outperform, BMO Capital said. Valuation call, based on a $25 price target.

CareFusion ( CFN) rated new Market Perform at Morgan Keegan. $28 price target. Company can generate double-digit annual earnings growth over the next few years, though macro headwinds persist

Cintas ( CTAS) rated new Buy at Keybanc with a Buy rating, Keybanc said. $36 price target. New growth businesses should drive earnings.

Fleetcor ( FCH) upgraded at JP Morgan to Overweight, JP Morgan said. $41 price target. AllStar acquisition should add to earnings.

Groupon ( GRPN) rated new Buy at Goldman Sachs. $29 price target. Company is unlocking value in the local advertising market.

Groupon rated new Neutral at JPMorgan. Valuation call, based on a $24 price target.

Groupon rated new Hold at Deutsche Bank. $21 price target.

Groupon rated new Buy at BofA/Merrill. $28 price target. Company can deliver solid growth in the coming quarters.

Groupon rated new Outperform at Wells Fargo. Company is a market leader and can deliver solid sales growth.

Groupon rated new Outperform at William Blair. Company is a market leader and competition has high barriers to entry.

Groupon rated new Neutral at Citigroup. $24 price target. Material upside requires success in new segments.

Groupon rated new Neutral at Credit Suisse. Valuation call, based on a $25 price target.

Groupon rated new Equal-weight at Morgan Stanley. Valuation call, as fair value appears to be $27.

Sirius XM Radio ( SIRI) upgraded to buy at TheStreet Ratings.

Six Flags ( SIX) rated new Hold at Keybanc. Valuation call, as the stock has already gained 40% year-to-date.

TCF Financial ( TCB) downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $11.50 price target. New analyst believs ts that higher operating costs could hurt near-term earnings.

Vertex ( VRTX) upgraded at Credit Suisse from Underperform to Outperform, Credit Suisse said. $37 price target. Pipeline can continue to drive future growth.

STOCK COMMENTS / EPS CHANGES

Agrium ( AGU) estimates, target lowered at UBS. Shares of AGU now seen reaching $107, according to UBS. Estimates also lowered as near term "credit crunch" has stalled price momentum. Buy rating.

Advanced Micro Devices ( AMD) numbers lowered at Citigroup. Shares of AMD now seen reaching $7, according to Citigroup. Estimates also lowered as a negative pre announcement is likely. Buy rating.

Ashland ( ASH) estimates upped at Credit Suisse through 2013. Business trends should remain strong in the coming quarters. Outperform rating and $71 price target.

Best Buy ( BBY) estimates, target lowered at UBS. Shares of BBY now seen reaching $25, according to UBS. Estimates also lowered as it is becoming more costly to drive sales. Neutral rating.

DuPont ( DD) estimates raised at Jefferies through 2012, Jefferies said. 2012 guidance was better than expected. Buy rating.

DuPont estimates lowered at UBS through 2011, UBS said. Softer than expected sales in electronics, safety & protection and industrial products. Maintain $44.50 price target and Neutral rating.

Walt Disney ( DIS) target raised at Morgan Stanley to $44, according to Morgan Stanley. Company can continue to deliver above-average growth. Overweight rating.

FleetCor Technologies ( FLT) numbers raised at Citigroup. Shares of FLT now seen reaching $32, according to Citigroup. Estimates also increased on AllStar deal. Neutral rating.

General Electric ( GE) estimates increased at Credit Suisse through 2013, Credit Suisse said. Energy profits are rebounding. $22 price target.

Mosaic ( MOS) estimates, target cut at UBS.Shares of MOS now seen reaching $63, according to UBS. Estimates also lowered on unfavorable impressions of potash demand and competitive capacity. Buy rating.

Morgan Stanley ( MS) numbers cut at Goldman. Shares of MS now seen reaching $19, according to Goldman Sachs. Estimates also reduced, given lower capital markets activity. Neutral rating.

Morgan Stanley estimates lowered at UBS through 2011, UBS said. Settlement with MBIA will simplify and remove noise around results. Maintain $16.50 price target and Neutral rating.

Maxim Integrated ( MXIM) added to Top Picks Live at Citigroup. $32 price target. Estimates also raised as company has won the power management slot in the upcoming iPhone5.

Potash Corp. ( POT) estimates, target lowered at UBS. Shares of POT now seen reaching $65, according to UBS. Estimates also lowered on near term "credit crunch" and lowered potash pricing outlook. Buy rating.

SXC Health Solutions ( SXCI) target raised at Jefferies to $76, Jefferies said. Growth opportunities remain abundant. Buy rating.

AT&T ( T) estimates lowered at Oppenheimer through 2012, Oppenheimer said. Higher smartphone sales drive higher subsidy expense. Outperform rating.

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This article was written by a staff member of RealMoney.com.

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