Benzinga's Top Upgrades

JP Morgan upgraded Logitech International SA (USA) LOGI from Underweight to Neutral. Logitech shares fell 4.24 percent to $24.15 in pre-market trading.
Citigroup upgraded Hershey Co HSY from Neutral to Buy. Hershey shares rose 1 percent to $97.11 in pre-market trading.
Analysts at Northcoast Research upgraded Monro Muffler Brake Inc MNRO from Sell to Neutral. Monro Muffler Brake shares fell 0.63 percent to close at $55.05 on Wednesday.
Roth Capital upgraded GrubHub Inc GRUB from Neutral to Buy. GrubHub shares fell 12.70 percent to close at $37.88 on Wednesday.
Analysts at Bank of America upgraded Western Digital Corp WDC from Underperform to Neutral. Western Digital shares rose 4.65 percent to $59.15 in pre-market trading.
Piper Jaffray upgraded F5 Networks, Inc. FFIV from Neutral to Overweight. F5 Networks shares gained 7.37 percent to $128.35 in pre-market trading.
Analysts at Vertical Research upgraded Owens Corning OC from Hold to Buy. Owens Corning shares rose 1 percent to $50.55 in pre-market trading.
Analysts at Citigroup upgraded VMware, Inc. VMW from Neutral to Buy. Vmware shares gained 5 percent to $76.95 in pre-market trading.
Macquarie upgraded Cullen/Frost Bankers, Inc. CFR from Underperform to Neutral. Cullen/Frost Bankers shares fell 1.38 percent to close at $75.02 on Tuesday.
Analysts at BMO Capital upgraded Pacira Pharmaceuticals Inc PCRX from Underperform to Market Perform. Pacira Pharmaceuticals shares rose 1.41 percent to $36.00 in pre-market trading.