NEW YORK ( TheStreet) -- CHANGE IN RATINGSAon Corp ( AON) downgraded at Citigroup to Neutral from Buy, Citigroup said. $51 price target. Delay of benefits in the Hewitt acquisition. Yamana Gold ( AUY) downgraded at Dahlman from Buy to Hold, Dahlman Rose said. Valuation call. Cambrex Corporation ( CBM) upgraded to buy at TheStreet Ratings. Clearwire ( CLWR) rated new Equal-weight at Evercore. $2 price target. Company still faces several risks. Diebold ( DBD) upgraded at JP Morgan to Neutral, JP Morgan said. Estimates also boosted, given the recent upside at NCR. Enersis ( ENI) downgraded to hold at TheStreet Ratings. Fossil ( FOSL) downgraded at Brean Murray from Buy to Hold, Brean Murray said. Guidance could prove disappointing. Globe Specialty ( GSM) downgraded at JP Morgan to Neutral, JP Morgan said. $15.50 price target. Company is leveraged to lower silicon and metal/alloy prices. Henry Schein ( HSIC) downgraded at Credit Suisse from Outperform to Neutral, Credit Suisse said. $78 price target. Valuation call, as the stock is up 21% since November. IBM ( IBM) rated new Buy at Sterne Agee. $230 price target. Ability to custom package software and services with hardware. Mid-America Apartments ( MAA) upgraded at Jefferies to Buy from Hold, Jefferies said. $72 price target. An attractive GARP play in the REIT space. Newfield Exploration ( NFX) downgraded at UBS to Neutral from Buy, UBS said. $41 price target. Vague 2012 production guidance that implies weaker volumes than expected. Select Comfort ( SCSS) upgraded at Wedbush from Neutral to Outperform, Wedbush Securities said. $36 price target. Company can continue to gain market share. SL Green Realty Corp. ( SLG) downgraded at Jefferies to Hold from Buy, Jefferies said. $78 price target. Good story but price has run up 16% year to date. Urban Outfitters ( URBN) downgraded at Brean Murray from Hold to Sell, Brean Murray said. $23 price target. New management will need some time to right the ship. Warnaco ( WFC) downgraded at Brean Murray from Buy to Hold, Brean Murray said. Consensus estimates, will likely prove aggressive, because of currency.
STOCK COMMENTS / EPS CHANGES
Amylin Pharmaceuticals ( AMLN) target raised at Jefferies to $30, Jefferies said. Guidance suggests upside to Exenatide sales estimates. Buy rating. Alliant Techsystems ( ATK) numbers lowered at Goldman through 2014, Goldman Sachs said. Company reduced its guidance. Neutral rating and new $57 price target. EMC ( EMC) target raised at Oppenheimer to $28, Oppenheimer said. VFCache is an entry point into a fast growing segment. Outperform rating.