Analysts' Actions: Dunkin Brands, F5 Networks, Hertz, JetBlue

NEW YORK (TheStreet) -- RATINGS CHANGES

Carnival (CCL) was upgraded to buy at TheStreet Ratings.

Dunkin Brands (DNKN) was upgraded at Barclays to overweight. Twelve-month price target was raised to $51 on high visibility of unit growth and the 100% franchise model, Barclays said.

F5 Networks (FFIV) was upgraded at ISI Group to strong buy from buy. Partnerships with Cisco (CSCO) and VMware (VMW) should help drive growth, ISI Group said.

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Hertz (HTZ) was downgraded at Deutsche Bank to hold from buy. Twelve-month price target is $25. Company slashed its earnings guidance, Deutsche Bank said.

Hertz was downgraded at J.P. Morgan to neutral from overweight. 8-K filing overnight had multiple pieces of bad news, J.P. Morgan said.

Illumina (ILMN) was upgraded at Wedbush to outperform from neutral. Twelve-month price target is $200. Estimates were also increased, following the recent LabCorp (LH) win, Wedbush said.

JetBlue (JBLU) was upgraded at Cowen to outperform from market perform. Twelve-month price target is $15. Company is reworking its business model to increase profitability, Cowen said.

Panera (PNRA) was upgraded at Barclays to overweight. Leader in fast-casual restaurant space should benefit from continued rollout of modifications to locations, Barclays said.

Regency Energy Partners (RGP) was downgraded to hold at TheStreet Ratings.

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