UPGRADES:
* Marten Transport (MRTN) to buy: Wunderlich
* Rue21 (RUE) to buy: Jefferies
* Treehouse Foods (THS) to buy: Citigroup
DOWNGRADES:
* ASM International (ASMI) to hold: Kepler
* Biomarin Pharmaceutical (BMRN) to hold: Deutsche Bank
* Public Service (PEG) to underperform: FBR Capital
* Novartis (NVS) to reduce: Vontobel
* Yanzhou Coal (YZC) to underperform: CIMB
INITIATIONS:
* Bonanza Creek Energy (BCEI) sector perform: RBC Capital
* Eloqua (ELOQ) overweight: JPMorgan
* Eloqua (ELOQ) market outperform: JMP Securities
* Jazz Pharmaceuticals (JAZZ) buy: WallachBeth Capital