Ratings on (PANL) (PHG) (RAH) (ROSE) Downgraded

Ratings on Universal Display Co. (NASDAQ: PANL), Koninklijke Philips Electronics ADR (NYSE: PHG), Ralcorp Holdings, Inc. (NYSE: RAH) and Rosetta Resources Inc. (NASDAQ: ROSE) downgraded by analysts.

Canaccord Genuity downgraded Universal Display Co. (PANL) from a “buy” rating to a “hold” rating.

JPMorgan Chase & Co. (NYSE:JPM) downgraded Koninklijke Philips Electronics (PHG) to an “overweight” rating.

William Blair downgraded Ralcorp Holdings, Inc. (RAH) from an “outperform” rating to a “market perform” rating.

Imperial Capital downgraded Rosetta Resources Inc. (ROSE) to an “outperform” rating. They cited valuation as the catalyst behind their call.