Hess ( HES) was upgraded at Deutsche Bank from hold to buy. $70 price target. Company is leveraged to higher WTI prices and its operations appear to be at an inflection point, Deutsche said. Henry Schein ( HSIC) was upgraded at ISI Group from underweight to neutral. $84 price target. Company can augment organic growth with acquisitions, and management is buying back stock, ISI said. Hexcel Corp. ( HXL) was upgraded at Goldman Sachs to buy from neutral. $35 price target. Moving from investment to harvest, Goldman said. Intel ( INTC) was upgraded at Lazard Capital Markets from neutral to buy. $26 price target. Margins should bottom in the first quarter, and ultrabooks should drive growth for the remainder of the year, Lazard Capital Markets said. Intel was downgraded at Drexel Hamilton from hold to sell. $18 price target. Estimates were also cut, as higher mobile sales are cutting into ultrabook demand, Drexel Hamilton said. International Game Technology ( IGT) was upgraded to buy at TheStreet Ratings. Intrepid Potash ( IPI) was downgraded at Keybanc from buy to hold. Estimates were also cut, as lower product pricing will likely weigh on earnings, Keybanc said. Lowe's ( LOW) was downgraded at Canaccord Genuity from hold to sell. $27 price target. Recent management changes and store improvements do not appear to be taking hold, Canaccord Genuity said. Marathon Oil ( MRO) was upgraded to buy at TheStreet Ratings. Mettler-Toledo ( MTD) was upgraded at Bank of America/Merrill Lynch to buy from neutral. $220 price target. Well-positioned for global recovery, BofA/Merrill said. O'Reilly Automotive ( ORLY) was downgraded at Piper Jaffray from overweight to neutral. $85 price target. Industry growth headwinds are building, Piper Jaffray said. Rexnord ( RXN) was downgraded at Deutsche Bank from hold to sell. Valuation call, based on a $21 price target, Deutsche said. SolarCity ( SCTY) was initiated with a buy rating at Goldman Sachs. $18 price target. Downstream pure play with scale and financing, Goldman said. Southwestern Energy ( SWN) was downgraded at Dahlman Rose from buy to hold. Valuation call, as the stock outperformed its peers by 40% in 2012, Dahlman Rose said. Walgreen ( WAG) was upgraded at Jefferies to buy from hold. $47 price target. Purchasing synergies materializing, Jefferies said.