These are the top analyst calls of upgrades, downgrades and initiations we have seen from Wall St. research calls this Monday morning.

Agrium Inc. (NYSE: AGU) named as Bull of the Day at Zacks.

AstraZeneca PLC (NYSE: AZN) cut to Underweight at JPMorgan.

Bebe Stores Inc. (NASDAQ: BEBE) cut to Neutral at Janney.

Brocade Communications Systems Inc. (NASDAQ: BRCD) reiterated as Hold at Argus.

Chuy’s Holdings Inc. (NASDAQ: CHUY) started as Market Perform at Raymond James, started as Outperform at Baird and started as Hold at Jefferies.

Prosperity Bancshares Inc. (NYSE: PB) raised to Outperform at BMO.

Quality Systems Inc. (NASDAQ: QSII) named as Bear of the Day at Zacks.

Ross Stores Inc. (NASDAQ: ROST) raised to Buy at BofA/ML.

Southern Copper Corp. (NYSE: SCCO) started as Outperform at Credit Suisse.

Statoil ASA (NYSE: STO) raised to Top Pick at RBC.

Stemcells Inc. (NASDAQ: STEM) cut to Neutral at Roth Capital.

Telecom Italia (NYSE: TI) cut to Neutral at JPMorgan.

Vantiv Inc. (NYSE: VNTV) reinstated as Outperform with $25 target at Credit Suisse.

JON C. OGG