NEW YORK ( TheStreet) -- CHANGE IN RATINGSFederal Agricultural Mortgage ( AGM) was downgraded to sell at TheStreet Ratings. Ampco-Pittsburgh ( AP) was upgraded to buy at TheStreet Ratings. Apollo ( APOL) was downgraded at Wells Fargo to market perform from outperform. Estimates were also cut, as the company is closing more campuses, Wells Fargo said. Cliffs Natural ( CLF) was downgraded at Morgan Stanley to underweight. $14 price target. Iron ore business will likely be cut in half in the coming years, Morgan Stanley said. Cliffs Natural was upgraded at Goldman Sachs to neutral from sell. Valuation call, based on a $20 price target, Goldman said. Cabot Oil & Gas ( COG) was initiated with a hold rating at Topeka Capital. Valuation call, based on a $74 price target, Topeka Capital said. Charles River Laboratories ( CRL) was downgraded at Wells Fargo to market perform. Share gains are priced in and valuation is full, Wells Fargo said. Estimates were reduced due to foreign exchange headwinds, Wells Fargo added. Price target is reduced to $42. DSW ( DSW) were upgraded to buy from hold at Citigroup. Industry-leading square footage growth and gross margin opportunity justify higher multiple. Price target is $74. General Mills ( GIS) was upgraded at Argus Research to buy from hold. $57 price target. Company is growing faster than its peers but trades at a discount, Argus said. Ingersoll-Rand ( IR) was downgraded at J.P. Morgan to neutral from overweight. Valuation call, based on a $53 price target, J.P. Morgan said. Mastec ( MTZ) was initiated with a buy rating at Lazard Capital Markets. $36 price target. Company can deliver above-average growth and expand margins, Lazard Capital Markets said. Palo Alto ( PANW) was initiated with a buy rating at Needham. $70 price target. Company can continue to attract demand, even in a tight IT spending environment, Needham said. PG&E ( PCG) was upgraded at Bernstein Research to outperform from market perform. $52 price target. Pioneer Natural ( PXD) was initiated with a buy rating at Topeka Capital. $158 price target. Company is leveraged to two attractive resource plays, Topeka Capital said. VMWare ( VMW) was upgraded at ISI Group to strong buy from buy. $115 price target. Company can continue to gain share in server virtualization, ISI Group said.
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