NEW YORK ( TheStreet) -- CHANGE IN RATINGS Bank of New York Mellon ( BK) was upgraded to Buy at TheStreet Ratings. eBay ( NOK) was upgraded at Benchmark from Hold to Buy. $45 price target. Marketplace is recovering, and the company is seeing higher mobile growth, Benchmark said. eBay was upgraded from Neutral to Overweight at Piper Jaffray. $50 price target. Mobile payments should drive growth and bring the company a higher multiple, Piper Jaffray said. Eni SpA ( E) was upgraded to Buy at TheStreet Ratings. F5 Networks ( FFIV) was upgraded at Wunderlich from Hold to Buy. $145 price target. Accelerating sales growth is driving margin expansion, Wunderlich said. F5 Networks was upgraded at Capstone from Hold to Buy. $149 price target. Company is seeing higher sales and earnings growth, Capstone said. Liberty Media ( LMCA) was initiated with a Buy rating at Miller Tabak. $101 price target. Company should continue to unlock value, Miller Tabak said. Navistar ( NAV) was downgraded from Outperform to Market Perform at Wells Fargo. Company is facing many near-term hurdles, Wells Fargo said. Perrigo ( PRGO) was downgraded at Caris & Co. from Buy to Above Average. Company is facing a weak flu season and continued margin pressure, Caris said. Parexel ( PRXL) was upgraded at Wells Fargo to Outperform. Sales momentum should continue throughout the year, Wells Fargo said. Safeway ( SWY) was upgraded at Deutsche Bank from Sell to Hold. Valuation call, based on a $22 price target, Deutsche said. Toll Brothers ( TOL) was upgraded at Deutsche Bank from Hold to Buy. $30 price target. Company has a strong balance sheet and can continue to grow, Deutsche Bank said.