Ivanhoe (IVN) (AET) (WSR) (ALKS) (NVDA) (CATY) Upgraded

Ivanhoe Mines Ltd (NYSE: IVN), Aetna Inc. (NYSE: AET), Whitestone Reit (NYSE: WSR), Alkermes Inc. (NASDAQ: ALKS), NVIDIA (NASDAQ: NVDA) and Cathay General Bancorp (NASDAQ: CATY) upgraded by analysts.

Whitestone Reit (WSR) was upgraded by Hilliard Lyons from a “Neutral” rating to a “Buy” rating. They have a price target of $12.50 on the company.

Aetna Inc. (AET) was upgraded by Jefferies (NYSE:JEF) from a “Hold” rating to a “Buy” rating. They have a price target of $51.00 on the company, up from $47.00.

Ivanhoe Mines Ltd (IVN) was upgraded by TD Newcrest from a “Hold” rating to a “Buy” rating.

Alkermes Inc. (ALKS) was upgraded by UBS AG (NYSE:UBS) from a “Neutral” rating to a “Buy” rating. They have a price target of $21.00 on the company, up from $20.50.

NVIDIA (NVDA) was upgraded by Wells Fargo & Co. (NYSE:WFC) from a “Market Perform” rating to an “Outperform” rating.

Cathay General Bancorp (CATY) was upgraded by Cantor Fitzgerald from a “Hold” rating to a “Buy” rating.

Price Targets on (ABMD) (ADI) (AFL) (ALKS) (ANF) Updated

Price targets on shares of Abiomed (NASDAQ: ABMD), Analog Devices, Inc. (NYSE: ADI), AFLAC (NYSE: AFL), Alkermes Inc. (NASDAQ: ALKS) and Abercrombie & Fitch (NYSE: ANF) were updated by analysts.

Wedbush raised their price target on Abiomed (ABMD) from $16.00 to $22.00. They have an “outperform” rating on the company.

Citigroup (NYSE:C) raised their price target on Analog Devices, Inc. (ADI) from $49.00 to $52.00. They have a “buy” rating on the company.

Citigroup cut their price target on AFLAC (AFL) from $62.00 to $57.00. They have a “hold” rating on the company.

JPMorgan Chase & Co. (NYSE:JPM) raised their price target on Alkermes Inc. (ALKS) to $21.00.

Oppenheimer raised their price target on Abercrombie & Fitch (ANF) from $74.00 to $80.00. They have an “outperform” rating on the company.

Ratings on (AET) (AIG) (ALKS) (AMTD) (ANN) Upgraded

Ratings on Aetna Inc. (NYSE: AET), American International Group, Inc. (NYSE: AIG), Alkermes Inc. (NASDAQ: ALKS), TD Ameritrade (NASDAQ: AMTD) and AnnTaylor Stores Corp. (NYSE: ANN) were upgraded by analysts.

Citigroup (NYSE:C) upgraded Aetna Inc. (AET) from a “hold” rating to a “buy” rating. They have a price targetof $56.00 on the company, up from $47.00.

Wells Fargo & Co. (NYSE:WFC) upgraded American International Group,

Inc. (AIG) from an “underperform” rating to a “market perform”

rating.

Cowen upgraded Alkermes Inc. (ALKS) from a “neutral” rating to an “outperform” rating.

Wells Fargo & Co. upgraded TD Ameritrade (AMTD) from a “market perform” rating to an “outperform” rating.

Wedbush upgraded AnnTaylor Stores Corp. (ANN) to an “outperform” rating. They have a $38.00 price target on the company.

Price Targets on (ALKS) (AONE) (BBG) (BEN) (BPL) Updated

Price targets on Alkermes Inc. (NASDAQ: ALKS), A123 Systems, Inc. (NASDAQ: AONE), Bill Barrett Corp (NYSE: BBG), Franklin Resources, Inc. (NYSE: BEN) and Buckeye Partners (NYSE: BPL) updated by analysts.

UBS AG (NYSE:UBS) raised their price target on Alkermes Inc. (ALKS) from $14.50 to $16.50. They have a “neutral” rating on the company.

Bank of America (NYSE:BAC) cut their price target on A123 Systems, Inc. (AONE) from $10.00 to $8.00. They have a “neutral” rating on the company.

Barclays Capital raised their price target on Bill Barrett Corp (BBG) from $48.00 to $53.00. They have an “overweight” rating on the company.

JPMorgan Chase & Co. (NYSE:JPM) raised their price target on Franklin Resources, Inc. (BEN) from $135.00 to $137.00. They have a “neutral” rating on the company.

Citigroup (NYSE:C) raised their price target on Buckeye Partners (BPL) from $66.50 to $67.00. They have a “hold” rating on the company.

Ratings on (ALKS) (BAP) (COLB) (CPN) (FE) Upgraded

Ratings on Alkermes Inc. (NASDAQ: ALKS), Credicorp Ltd. (NYSE: BAP), Columbia Banking (NASDAQ: COLB), Calpine (NYSE: CPN) and FirstEnergy Corp. (NYSE: FE) upgraded by analysts.

Leerink upgraded Alkermes Inc. (ALKS) to an “outperform” rating.

UBS AG (NYSE:UBS) upgraded Credicorp Ltd. (BAP) to a “buy” rating.

McAdams Wright Ragen upgraded Columbia Banking (COLB) to a “buy” rating. They have a price target of $22.00 on the company.

Dahlman Rose upgraded Calpine (CPN) from a “hold” rating to a “buy” rating. They have a price target of $20.00 on the company.

Wells Fargo & Co. (NYSE:WFC) upgraded FirstEnergy Corp. (FE) from a “market perform” rating to an “outperform” rating.

Amylin (AMLN) Skyrockets on EU Recommendation of Bydureon

After an EU regulatory panel recommended Amylin's (NASDAQ:AMLN) diabetes drug Bydureon to be approved, shares of the company soared by about 13 percent.

This follows a disappointing refusal from the U.S. Food and Drug Administration in the latter part of 2010, which said it needed more information on the drug before it would recommend it for approval.

The three companies will said today they'll supply additional information to the FDA in the second half of 2011.

Shares of Alkermes (NASDAQ:ALKS), which developed the delivery system for Bydureon, were also hopping today.

Alkermes was trading at $13.95, gaining $0.54, or 4.03 percent, as of 12:27 PM EDT. Amylin was at $12.71, rising $1.45, or 12.88 percent. Eli Lilly, also a partner in the drug, was trading at $36.02, up $0.27, or 0.76 percent.