n.a. (THOR)

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Latest News

HeartWare Falters After Announcing Valtech Cardio Acquisition

HeartWare Falters After Announcing Valtech Cardio Acquisition

The cardiac device company's shares dipped more than 20% on news of the transaction, which could be worth up to $860 million.

Thoratec (THOR) Moving On Heavy Volume In The Pre-Market Hours

Thoratec (THOR) Moving On Heavy Volume In The Pre-Market Hours

Trade-Ideas LLC identified Thoratec (THOR) as a pre-market mover with heavy volume candidate

Thoratec Sale May Be Precursor of More Cardiac Industry M&A

Thoratec Sale May Be Precursor of More Cardiac Industry M&A

With Thoratec Corp. (THOR) off the market following its recent purchase by St. Jude Medical Inc. (STJ), M&A activity may start to circulate in the heart care device sector.

St. Jude Buying Thoratec Could Resusitate Medtech M&As

St. Jude Buying Thoratec Could Resusitate Medtech M&As

Last year was big for medical device mergers and things could be heating up again this year.

THOR SHAREHOLDER ALERT: The Law Offices Of Vincent Wong Launches An Investigation Of The Board Of Directors Of Thoratec Corp. Regarding The Sale Of The Company To St. Jude Medical, Inc.

THOR SHAREHOLDER ALERT: The Law Offices Of Vincent Wong Launches An Investigation Of The Board Of Directors Of Thoratec Corp. Regarding The Sale Of The Company To St. Jude Medical, Inc.

The Law Offices of Vincent Wong are investigating potential claims against the Board of Directors of Thoratec Corp.

SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders Of Thoratec Corp. Of Commencement Of An Investigation Concerning The Fairness Of The Sale Of The Company To St. Jude Medical, Inc.

SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders Of Thoratec Corp. Of Commencement Of An Investigation Concerning The Fairness Of The Sale Of The Company To St. Jude Medical, Inc.

The following statement is being issued by Levi & Korsinsky, LLP: To: All Persons or Entities who purchased or otherwise acquired Thoratec Corp.

SHAREHOLDER ALERT: Brower Piven Commences An Investigation Into The Proposed Sale Of Thoratec Corp. And Encourages Investors To Contact The Firm For Additional Information

SHAREHOLDER ALERT: Brower Piven Commences An Investigation Into The Proposed Sale Of Thoratec Corp. And Encourages Investors To Contact The Firm For Additional Information

The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of Thoratec...

THORATEC CORP. SHAREHOLDER ALERT: Former SEC Attorney Willie Briscoe And Powers Taylor LLP Investigate Sale To St. Jude Medical Inc.

THORATEC CORP. SHAREHOLDER ALERT: Former SEC Attorney Willie Briscoe And Powers Taylor LLP Investigate Sale To St. Jude Medical Inc.

Former United States Securities and Exchange Commission attorney Willie Briscoe and the securities litigation firm of Powers Taylor LLP are investigating potential claims against the Board of Directors of Thoratec Corp.

Law Firm Kirby McInerney LLP Investigating Potential Claims On Behalf Of Thoratec Corporation Stockholders

Law Firm Kirby McInerney LLP Investigating Potential Claims On Behalf Of Thoratec Corporation Stockholders

Kirby McInerney LLP is investigating potential claims against the Board of Directors of Thoratec Corporation ("Thoratec" or the "Company") (NASDAQ:THOR) concerning the proposed acquisition of the Company by St.

Apple's Fall Takes a Big Bite Out of Market Indexes

Apple's Fall Takes a Big Bite Out of Market Indexes

Apple's tumble pressured markets on Wednesday, punishing benchmark indexes in a post-earnings slump.

Stocks Slip as Crude Oil Settles Below $50

Stocks Slip as Crude Oil Settles Below $50

Stocks remain in the red on Wednesday as crude oil closes below $50, its lowest level since April 2.

EQUITY ALERT: The Rosen Law Firm Announces Investigation Of Thoratec Corp. Concerning Its Proposed Sale To St. Jude Medical Inc. - THOR

EQUITY ALERT: The Rosen Law Firm Announces Investigation Of Thoratec Corp. Concerning Its Proposed Sale To St. Jude Medical Inc. - THOR

The Rosen Law Firm, a global investor rights law firm, announces that it is investigating the Board of Directors of Thoratec Corp.

Microsoft Cut Down By Currency; Home Sales Hit 8-Year High

Microsoft Cut Down By Currency; Home Sales Hit 8-Year High

Microsoft (MSFT) shares fell after revenue projections came in weaker than expected.

SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders Of Thoratec Corp. Of Commencement Of An Investigation Concerning The Fairness Of The Sale Of The Company To St. Jude Medical, Inc.

SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders Of Thoratec Corp. Of Commencement Of An Investigation Concerning The Fairness Of The Sale Of The Company To St. Jude Medical, Inc.

The following statement is being issued by Levi & Korsinsky, LLP: To: All Persons or Entities who purchased or otherwise acquired Thoratec Corp.

Stocks Fall Back as Crude Oil Dips Below $50

Stocks Fall Back as Crude Oil Dips Below $50

Stocks return to near session lows on Wednesday morning as crude oil dips below $50 a barrel on the back of a rise in weekly inventories.

Thoratec (THOR) Stock Jumps After St. Jude Medical Takeover Offer

Thoratec (THOR) Stock Jumps After St. Jude Medical Takeover Offer

Thoratec (THOR) shares are higher after St. Jude Medical (STJ) offers to buy the company for $3.4 billion in cash.

Stock Futures Fall on Weak Apple, Microsoft Forecasts

Stock Futures Fall on Weak Apple, Microsoft Forecasts

Stock futures are lower on Wednesday morning after Apple and Microsoft issue disappointing sales forecasts.

Heavy Volume And Pre-Market Movement For Thoratec (THOR)

Heavy Volume And Pre-Market Movement For Thoratec (THOR)

Trade-Ideas LLC identified Thoratec (THOR) as a pre-market mover with heavy volume candidate

St. Jude Medical And Thoratec Announce Definitive Agreement

St. Jude Medical And Thoratec Announce Definitive Agreement

St. Jude Medical (NYSE:STJ) and Thoratec (NASDAQ:THOR) today announced that the Boards of Directors of both companies have unanimously approved a definitive agreement under which St.

New Lifetime High Reached By Thoratec (THOR)

New Lifetime High Reached By Thoratec (THOR)

Trade-Ideas LLC identified Thoratec (THOR) as a new lifetime high candidate

Strong And Under The Radar Today: Thoratec (THOR)

Strong And Under The Radar Today: Thoratec (THOR)

Trade-Ideas LLC identified Thoratec (THOR) as a strong and under the radar candidate

Short Interest In Thoratec Drops 10.3%

Short Interest In Thoratec Drops 10.3%

The most recent short interest data has been released by the NASDAQ for the 04/30/2015 settlement date, which shows a 412,121 share decrease in total short interest for Thoratec Corp. , to 3,579,626, a decrease of 10.32% since 04/15/2015.

Today's Perilous Reversal Stock: Thoratec (THOR)

Today's Perilous Reversal Stock: Thoratec (THOR)

Trade-Ideas LLC identified Thoratec (THOR) as a "perilous reversal" (up big yesterday but down big today) candidate

Ratings Changes Today

TheStreet Quant Ratings provides fair and objective information to help you make educated investing decisions. We rate over 4,300 stocks daily and provide 5-page PDF reports for each stock. These ratings can change daily and today's changes are reflected in the email below. If you are looking to check-up on the stocks you currently own or are looking for new ideas, you can find our full database of password-protected ratings reports in our proprietary ratings screener: http://www.thestreet.com/k/qr/flat/stock-screener.html Upgrades: AAN, BNCL, BT, CAT, FRP, LIOX, LOV, MPW, QTM, SKYW, SMI, TOWR, TTS, WFT Downgrades: BCEI, BREW, ENOC, IRC, ISSC, JMBA, KATE, LCUT, MELI, NOG, PRCP, STMP, SUN, THOR, TNH, UTIW, YUME Initiations: CSLT, EGLT, HIVE, PCTY, QTWO, SALT, TAHO Read on to get TheStreet Quant Ratings' detailed report:

Insider Trading Alert - THOR, GMAN And INO Traded By Insiders

Insider Trading Alert - THOR, GMAN And INO Traded By Insiders

Stocks with insider trader activity include THOR, GMAN and INO

Thoratec (THOR) Showing Signs Of Being Strong And Under The Radar

Thoratec (THOR) Showing Signs Of Being Strong And Under The Radar

Trade-Ideas LLC identified Thoratec (THOR) as a strong and under the radar candidate

Thoratec (THOR) Upgraded From Hold to Buy

Thoratec (THOR) Upgraded From Hold to Buy

Thoratec (THOR) has been upgraded by TheStreet Ratings from Hold to Buy with a ratings score of B.

Ratings Changes Today

TheStreet Quant Ratings provides fair and objective information to help you make educated investing decisions. We rate over 4,300 stocks daily and provide 5-page PDF reports for each stock. These ratings can change daily and today's changes are reflected in the email below. If you are looking to check-up on the stocks you currently own or are looking for new ideas, you can find our full database of password-protected ratings reports in our proprietary ratings screener: http://www.thestreet.com/k/qr/flat/stock-screener.html Upgrades: AWRE, BKS, CDW, EQC, KRC, NSAT, THOR, TUP, WPP, WSH Downgrades: ALLT, ASYS, GENC, TDW Initiations: None Read on to get TheStreet Quant Ratings' detailed report: