Analyst upgrades: Micron, China Sunergy, Medtronic

MOST NOTEWORTHY: Micron, China Sunergy and Medtronic were today's noteworthy upgrades:

Deutsche Bank upgraded shares of Micron (NYSE: MU) to Buy from Hold as they believe improved pricing and the company's cost reductions should drive a strong margin recovery. The firm raised MU's target to $11 from $7.
Jefferies raised China Sunergy (NASDAQ: CSUN) to Hold from Underperform following the company's Q1 beat to reflect its improved outlook for the production of higher efficiency cells and better controls over cash flow measures.
Goldman raised Medtronic (NYSE: MDT) to Buy from Neutral based on potential earnings upside from strong market share and broad distribution.

OTHER UPGRADES:

UBS upgraded National Fuel Gas (NYSE: NFG) to Buy from Neutral.
Arris (NASDAQ: ARRS) was raised to Outperform from Market Perform at Friedman Billings.
Piper upgraded Central Garden & Pet (NASDAQ: CENT) to Buy from Neutral.

Tags: analyst, arris, arrs, cent, central garden pet, CentralGardenPet, china sunergy, ChinaSunergy, csun, mdt, medtronic, micron, mu, national fuel gas, NationalFuelGas, upgrade