NEW YORK ( TheStreet ) -- CHANGE IN RATINGS
AMCOL International ( ACO) was downgraded to hold at TheStreet Ratings.
MedAssets ( MDAS) was upgraded at KeyBanc to buy from hold. Upside in earnings and reasonable valuation, KeyBanc said. $25 price target.
PAA Natural Gas ( PNG) was downgraded at UBS to neutral from buy. Valuation call, UBS said. $22.50 price target.
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Piedmont Natural Gas (PNY) was downgraded to hold at TheStreet Ratings.
R.R. Donnelley & Sons (RRD) was upgraded at Benchmark to buy from hold. Acquisition of CGS should be accretive, Benchmark said. $21 price target.
Praxair (PX) was initiated at UBS with a neutral rating. Attractive business model with secular growth drivers, UBS said. $125 price target.
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Stock Comments / EPS Changes
Global Payments ( GPN) raised its estimates, price target at Credit Suisse. GPN lifted its numbers, CS said. Stability in the operating segment with margin expansion, Credit Suisse said. $67 price target and outperform rating.
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