Quiksilver (ZQK) (ABC) (BBBY) (ABMD) (OAS) (AH) Upgraded

Quiksilver, Inc. (NYSE: ZQK), AmerisourceBergen Corp. (NYSE: ABC), Bed Bath & Beyond Inc. (NASDAQ: BBBY), Abiomed (NASDAQ: ABMD), Oasis Petroleum Inc. (NYSE: OAS) and Accretive Health, Inc. (NYSE: AH) upgraded by analysts.

Quiksilver, Inc. (ZQK) was upgraded by FBR Capital from an “Underperform” rating to a “Market Perform” rating. They have a price target of $4.00 on the company.

AmerisourceBergen Corp. (ABC) was upgraded by Stifel Nicolaus from a “Hold” rating to a “Buy” rating. They have a price target of $49.00 on the company.

Bed Bath & Beyond Inc. (BBBY) was upgraded by Cowen from a “Neutral” rating to an “Outperform” rating.

Abiomed (ABMD) was upgraded by Rodman & Renshaw from an “Underperform” rating to a “Market Perform” rating.

Oasis Petroleum Inc. (OAS) was upgraded by UBS AG (NYSE:UBS) from a “Neutral” rating to a “Buy” rating. They have a price target of $4.95 on the company, down from $33.00.

Accretive Health, Inc. (AH) was upgraded by BB&T (NYSE:BBT) from a “Hold” rating to a “Buy” rating.

Price Targets on (ABMD) (ANF) (ANN) (CCM) Updated

Price targets on shares of Abiomed (NASDAQ: ABMD), Abercrombie & Fitch (NYSE: ANF), AnnTaylor Stores Corp. (NYSE: ANN) and Concord Medical Services Holding Ltd (NYSE: CCM) were updated by analysts.

Wunderlich raised their price target on Abiomed (ABMD) to $24.00.

Wedbush raised their price target on Abercrombie & Fitch (ANF) to $82.00.

UBS AG (NYSE:UBS) raised their price target on AnnTaylor Stores Corp. (ANN) from $34.00 to $37.00. They have a “buy” rating on the company.

JPMorgan Chase & Co. (NYSE:JPM) cut their price target on Concord Medical Services Holding Ltd (CCM) to $7.00.

Price Targets on (ABMD) (AFL) (BJ) (BMC) (CCMP) Updated

Price targets on shares of Abiomed (NASDAQ: ABMD), AFLAC (NYSE: AFL), BJ’s Wholesale Club Inc (NYSE: BJ), BMC Software, Inc. (NYSE: BMC) and Cabot Microelectronics Co. (NASDAQ: CCMP) were updated by analysts.

Piper Jaffray (NYSE:PJC) raised their price target on Abiomed (ABMD) to $20.00.

Morgan Stanley (NYSE:MS) cut their price target on AFLAC (AFL) to $64.00. They have an “overweight” rating on the company.

Citigroup (NYSE:C) raised their price target on BJ’s Wholesale Club Inc (BJ) from $52.00 to $56.00. They have a “hold” rating on the company.

Collins Stewart raised their price target on BMC Software, Inc. (BMC) from $58.00 to $62.00. They have a “buy” rating on the company.

JPMorgan Chase & Co. (NYSE:JPM) cut their price target on Cabot Microelectronics Co. (CCMP) to $7.00.

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 (ABCO) (ABMD) (AREX) (CSX) (DANG) Reiterated

Ratings on shares of Advisory Board Co (NASDAQ: ABCO), Abiomed (NASDAQ: ABMD), Approach Resources Inc. (NASDAQ: AREX), CSX Corp. (NYSE: CSX) and E Commerce China Dangdang Inc (NASDAQ: DANG) were reiterated by analysts.

Piper Jaffray (NYSE:PJC) reiterated an “overweight” rating on of Advisory Board Co (ABCO).

Piper Jaffray reiterated an “overweight” rating on Abiomed (ABMD).

Wunderlich reiterated a “buy” rating on Approach Resources Inc. (AREX). They have a price target of $37.00 on the company.

Morgan Stanley (NYSE:MS) reiterated an “overweight” rating on CSX Corp. (CSX).

Piper Jaffray reiterated an “overweight” rating on E Commerce China Dangdang Inc (DANG).

Upgrades for Boeing (BA) (ABMD) (ASTE) (BRY) (CL) Ratings

Analysts upgraded Abiomed (NASDAQ: ABMD), Astec Industries, Inc. (NASDAQ: ASTE), The Boeing Company (NYSE: BA), Berry Petroleum (NYSE: BRY) and Colgate-Palmolive Company (NYSE: CL) today.

Robert W. Baird upgraded Abiomed (ABMD) from a “neutral” rating to an “outperform” rating. They have a price target of $20.00 on the company, up from $16.00.

Barrington Research upgraded Astec Industries, Inc. (ASTE) from a “market perform” rating to an “outperform” rating. They have a price target of $50.00 on the company.

HSBC upgraded The Boeing Company (BA) from an “underweight” rating to a “neutral.”

Global Hunter Securities upgraded Berry Petroleum Comp (BRY) from an “accumulate” rating to a “buy” rating. They have a price target of $63.00 on the company, up from $55.00.

Deutsche Bank (NYSE:DB) upgraded Colgate-Palmolive Company (CL) from a “hold” rating to a “buy” rating. They have a price target of $92.00 on the company.