Hansen Medical (NASDAQ: HNSN) said economic conditions have led to lower than expected Q4 sales. HNSN, a developer of products for robotic catheter-based technologies, closed at $6.26. Thomas Weisel Partners has a $8 price target on HNSN. HNSN February call option implied volatility is at 115, puts are at 133, above its 26-week average of 69, according to Track Data, suggesting larger price movement.

Cardinal Health (NYSE: CAH), a drug wholesaler and medical-equipment supplier, lowered its full-year outlook on January 8 because it sees reduced hospital spending. Smith Barney has a 12-month price target of $39 on CAH. February option implied volatility of 49 is above its 26-week average of 41 according to Track Data, suggesting larger price movement.

Becton Dickinson (NYSE: BDX), a medical technology company, closed at $69.11. Morgan Stanley raised its rating on BDX to Overweight. BDX February option implied volatility of 38 is above its 26-week average of 33, according to Track Data, suggesting larger price movement.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com

MOST NOTEWORTHY: The medical supplies and devices sector, East West Bancorp, Tempur Pedic and AbitibiBowater were today's noteworthy initiations:

• Credit Suisse initiated the medical supplies and devices sector with a Market Weight rating and started shares of Edwards Lifesciences (NYSE: EW) and Becton, Dickinson and Co (NYSE: BDX) with Outperform ratings and Medtronic (NYSE: MDT) and Boston Scientific (NYSE: BSX) with Neutral ratings.
  
• East West Bancorp (NASDAQ: EWBC) was initiated with a Buy rating and $36 target at B. Riley; the firm's target implies a 23.1% potential total return over the next twelve months including the stock's 1.35% dividend yield.
  
• Tempur Pedic (NYSE: TPX) was started with an Outperform rating at William Blair, as they find the current valuation attractive for long-term investor given the company's strong position in the specialty sleep products.
  
• Deutsche Bank resumed coverage of AbitibiBowater (NYSE: ABH) with a Hold rating and $29 target, citing the strength of the Canadian dollar and difficult newsprint fundamentals.

OTHER INITIATIONS:

• Banc of America initiated shares of JA Solar (NASDAQ: JASO) and Trina Solar (NYSE: TSL) with Buy ratings and targets of $73 and $76, and initiated Horizon Lines (NYSE: HRZ) and Solarfun Power (NASDAQ: SOLF) with Neutral ratings and targets of $34 and $14.