NEW YORK (TheStreet) -- RATINGS CHANGES

Agco (AGCO) - Get AGCO Corporation Report was upgraded to market perform from underperform by Wells Fargo, which said that sentiment is too negative as the company can exceed near-term earnings expectations.

Avis Budget (CAR) - Get Avis Budget Group, Inc. Report was upgraded to buy from hold by Deutsche Bank, which set a $60 price target, saying that sentiment is overly negative, as the company is facing easier comps in the second half of the year.

Centene (CNC) - Get Centene Corporation Report was upgraded to buy from hold by Jefferies, which set an $88 price target, saying that Centene's acquisition of Health Net (HNT) will create significant financial value for shareholders and enhance the company's strategic positioning.

CSX (CSX) - Get CSX Corporation Report was upgraded to outperform by RBC Capital, which set a $37 price target, saying that efficiency gains should offset coal headwinds

Genesco (GCO) - Get Genesco Inc. Report was upgraded to buy by TheStreet Ratings. You can view the full analysis from the report here: GCO Ratings Report.

Guess? (GES) - Get Guess?, Inc. Report was upgraded to market perform from underperform by Telsey Advisory, which set a $23 price target, saying the denim cycle is improving and the new CEO can turn the business around.

Health Net was downgraded to hold from buy by Jefferies, following the company's agreement to be acquired by Centene, as the stock nears Jefferies' $75 price target.

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Hertz (HTZ) - Get Hertz Global Holdings, Inc. Report was upgraded to buy from hold by Deutsche Bank, which set a $24 price target, saying the company has multiple potential catalysts.

LinkedIn (LNKD) was upgraded to overweight from equal-weight by Barclays, which set a $250 price target, noting that estimates have been reset and can be exceeded in the second half of the year and 2016.

M/A-Com (MTSI) - Get MACOM Technology Solutions Holdings, Inc. Report was upgraded to buy from hold by Drexel Hamilton, which cited valuation, based on a $40 price target.

Micron (MU) - Get Micron Technology, Inc. (MU) Report was upgraded to hold from sell by Drexel Hamilton, which set a $19 price target, saying the company is a potential takeover target.

Navient (NAV) - Get Navistar International Corporation Report was upgraded to overweight by Barclays, which cited valuation, based on a $21 price target.

NetApp (NTAP) - Get NetApp, Inc. (NTAP) Report was upgraded to sector weight from underweight by Pacific Crest, which cited valuation, based on a $29 price target.

Oculus Innovative Sciences (OCLS) was downgraded to sell by TheStreet Ratings. You can view the full analysis from the report here: OCLS Ratings Report.

Omnicom (OMC) - Get Omnicom Group Inc Report was upgraded to outperform from market perform by Wells Fargo, which cited valuation, as the company is trading below its average historical valuation.

PTC Therapeutics (PTCT) - Get PTC Therapeutics, Inc. Report was upgraded to overweight from neutral by J.P. Morgan, which set a $100 price target. Phase 3 results for Translarna in non-sense mutation Duchenne Muscular Dystrophy (nmDMD; ACT DMD study) are expected to readout 4Q15, J.P. Morgan said.