NEW YORK ( TheStreet) -- CHANGE IN RATINGS:Adtran ( ADTN) downgraded at UBS to sell from neutral, UBS said. $17 price target. Visibility remains limited. Alkermes ( ALKS) rated new neutral at Credit Suisse. Valuation call, based on a $24 price target. CBS ( CBS) upgraded at Wedbush from neutral to outperform, Wedbush said. $50 price target. Company is attractive on a sum-of-the-parts basis. Columbia Sportswear ( COLM) downgraded at BofA/Merrill from buy to underperform, Bank of America/Merrill Lynch said. Estimates also cut, given the company's new guidance. $45 price target. Cree ( CREE) downgraded at Jefferies to underperform from buy, Jefferies said. $28 price target. Overly optimistic LED demand trends. Cisco Systems ( CSCO) downgraded at JP Morgan from neutral to underweight, JP Morgan said. $18 price target. Company is exposed to sluggish enterprise spending. Donaldson ( DCI) upgraded at BofA/Merrill from neutral to buy, Bank of America/Merrill Lynch said. $41 price target. Estimates also boosted, as the company is realizing higher margins. EQT ( EQT) downgraded at Stifel from buy to hold, Stifel Nicolaus said. Valuation call, as the stock reached the previous $67 price target. FedEx ( FDX) target raised at Citigroup to $114, Citigroup said. Improving international volumes and cost plan. Buy rating. Informatica ( INFA) downgraded at Wedbush from outperform to neutral, Wedbush said. Company may disappoint with 2013 guidance. Itron ( ITRI) downgraded at Jefferies to hold from buy, Jefferies said. $43 price target. High 1H13 consensus. Medtronic ( MDT) upgraded at Credit Suisse from neutral to outperform Credit Suisse said. $50 price target. Company can grow faster than consensus expectations over the coming quarters. Mead Johnson ( MJN) downgraded at JP Morgan from overweight to neutral, JP Morgan said. Valuation call. Qlik Technologies ( QLIK) downgraded at Stifel from buy to hold, Stifel Nicolaus said. Company faces a transition year in 2013. Waters ( WAT) downgraded at Wells from outperform to market perform, Wells Fargo said. Valuation call. Williams-Sonoma ( WSM) downgraded at Goldman from buy to neutral, Goldman Sachs said. Margins have likely peaked. $51 price target.