Top Analyst Upgrades & Downgrades (AFFX, AMCX, BRCM, CSIQ, CSCO, DECK, DANG, ELN, EL, FSLR, IVR, IPG, JNPR, OMC, OVTI, ONXX, PTR, RENN, RVBD, SI, YOKU)

These are some of the top analyst upgrades, downgrades, and initiations seen from Wall Street research calls this Thursday morning.

Affymetrix Inc. (NASDAQ: AFFX) Raised to Neutral from Sell with a $4.50 price target at Goldman Sachs.
AMC Networks Inc. (NASDAQ: AMCX) Started as Overweight at J.P.Morgan.
Broadcom Corporation (NASDAQ: BRCM) Raised to Outperform at Wells Fargo.
Canadian Solar, Inc. (NASDAQ: CSIQ) named as Bear of the Day by Zacks Investment Research.
Cisco Systems, Inc. (NASDAQ: CSCO) Started as Buy at Nomura.
Deckers Outdoor Corporation (NASDAQ: DECK) Cut to Underperform from Buy at Stern Agee.
E-Commerce China Dangdang Inc. (NYSE: DANG) Started as Hold at Brean Murray.
Elan Corporation, plc (NYSE: ELN) Raised to Buy at Deutsche Bank.
Estee Lauder Companies (NASDAQ: EL) Raised to Outperform as Bull of the Day at Zacks.
First Solar, Inc. (NASDAQ: FSLR) Cut to Neutral from Buy at R.W. Baird.
Invesco Mortgage Capital Inc. (NYSE: IVR) Cut to Market Perform from Outperform at Keefe Bruyette & Woods.
The Interpublic Group of Companies, Inc. (NYSE: IPG) Started as Overweight at Barclays.
Juniper Networks, Inc. (NYSE: JNPR) Started as Neutral at Nomura.
Omnicom Group Inc. (NYSE: OMC) Started as Equal Weight at Barclays.
OmniVision Technologies (NASDAQ: OVTI) lowered estimates again but maintained as Buy with $12.00 price target at Canaccord Genuity.
Onyx Pharmaceuticals, Inc. (NASDAQ: ONXX) Raised to the Conviction Buy List with a $47.00 price target objective at Goldman Sachs.
PetroChina Co. Ltd. (NYSE: PTR) Raised to Buy from Neutral at Citigroup.
Renren Inc. (NYSE: RENN) Started as Hold at Brean Murray.
Riverbed Technology, Inc. (NASDAQ: RVBD) Started as Neutral at Nomura.
Siemens AG (NYSE: SI) Cut to Neutral from Buy at Goldman Sachs.
Youku.com Inc (NYSE: YOKU) Started as Hold at Brean Murray.