Premarket roundup: PetSmart, Steris

NEW YORK (AP)--Rising food prices and a favorable industry position will likely aid PetSmart Inc., an analyst said Wednesday while upgrading the pet products retailer.

NEW YORK (AP)--A Soleil Securities analyst said Wednesday that shares of Hill-Rom Holdings Inc. and Steris Corp. are expensive compared with their likely profit growth, and he cut his rating on both hospital products makers.

NEW YORK (AP)--Plexus Corp. is likely to discuss problems with profitability in Mexico at a meeting for investors on Wednesday, according to one analyst.