Carlisle ( CSL ) upgraded at Citigroup from Sell to Hold, Citigroup said. $39 price target. Estimates also boosted, given better pricing and the recent Hawk acquisition. Cognizant Technology ( CTSH ) upgraded at Goldman to Buy. $80 price target. Offshore growth should continue to ramp. EQT ( EQT ) upgraded at Stifel from Hold to Buy. $50 price target. Company should continue to unlock value in the Marcellus shale. Federal Mogul ( FDML ) downgraded at Baird from Outperform to Neutral. $21 price target. Valuation call, as the stock has materially outperformed its peers over the past month. Oasis Petroleum ( OAS ) rated new Buy at Keybanc. $33 price target. Company has posted large gains, but should continue to grow. Polypore ( PPO ) u pgraded at Baird from Neutral to Outperform, Robert Baird said. $43 price target. Company is raising capacity to meet EDV demand.