NEW YORK ( TheStreet) -- CHANGE IN RATINGSApple ( AAPL) was downgraded at BTIG Research from Buy to Neutral. Valuation call, as postpaid wireless growth may not be sustainable, BTIG said. AVEO Pharmaceuticals ( AVEO) was downgraded to sell at TheStreet Ratings. Evercore Partners ( EVR) was downgraded from Buy to Neutral at Bank of America/Merrill Lynch. $31 price target. Estimates were also cut, given a lower sales pipeline, BofA/Merrill said. F5 Networks ( FFIV) was downgraded from Buy to Hold at Stifel Nicolaus. Valuation call. Genco Shipping & Trading ( GNK) was downgraded to sell at TheStreet Ratings. Helmerich & Payne ( HP) was upgraded at Guggenheim from Neutral to Buy. $70 price target. Estimates also boosted, given higher expected utilization and dayrates, Guggenheim said. LinkedIn ( LNKD) was initiated with a Hold rating at Needham. Valuation call. Molina Healthcare ( MOH) was downgraded at Cantor Fitzgerald from Buy to Hold. Valuation call, as the company lost out in the Ohio Medicaid contract, Cantor said. SBA Communications ( SBAC) was upgraded at Citigroup to Buy from Neutral. $60 price target. Recent transactions create a surprising valuation discount, Citi said. Tyco ( TYC) was upgraded at Argus Research from Hold to Buy. $65 price target. Pentair deal should help both companies, Argus said.
Stock Comments / EPS Changes
EMC ( EMC) price target and estimates were raised at Stifel Nicolaus. Shares are now seen reaching $36. Estimates were also increased, following solid channel checks. Buy rating. Eastman Chemical ( EMN) was added to the Conviction Buy List at Goldman Sachs. Company is leveraged to lower propane prices, Goldman said. $64 price target. IAC/InterActiveCorp ( IACI) estimates were lowered at Oppenheimer through 2013. Change to segment reporting. Outperform rating. Liquidity Services ( LQDT) numbers were raised at Oppenheimer. Shares are now seen reaching $57. Estimates were also raised on continued acquisition growth, Oppenheimer said. Outperform rating. MasterCard ( MA) estimates and price target were boosted at Stifel Nicolaus. Shares are now seen reaching $505. Estimates were also increased, given higher expected spending volumes, Stifel said. Monsanto ( MON) was cut from the Conviction Buy List at Goldman Sachs. Company lacks near-term catalysts, Goldman said. $90 price target. Polycom ( PLCM) price target was cut at Citigroup to $19. Negative preannouncement with limited details, Citi said. Buy rating. Parametric ( PMTC) estimates, price target were cut at ThinkEquity. Shares are now seen reaching $31. Estimates were also reduced, given inconsistent sales results, ThinkEquity said. Buy rating.