Notable 52-Week Highs and Lows of the Day 02/13: (IP) (REGN) (PCYC) High; (CHTP) (SGI) Low

This report is an intraday check of some of the more notable stocks that have hit a 52-week high or low so far today.

52-Week High:

• International Paper Co. (NYSE: IP) high of $33.12. International Paper is getting some positive movement in the market today after completing the $4.5 billion acquisition of Temple-Inland. Shares moved as much as 4.8 percent higher on the session.
  
  
• Regeneron Pharma (Nasdaq: REGN) high of $116.93. Regeneron up after reporting stronger fourth-quarter numbers and issuing a solid outlook for 2012 EYLEA sales. Earlier, Regeneron reported a fourth-quarter loss of 37 cents per share, which was narrower than 60 cents expected on the Street.
  
  In addition, Regeneron said it now sees fiscal 2012 EYLEA sales in the US of $250 million to $300 million.
  
  Shares moved over 14 percent to the new mark.
  
  
• Pharmacyclics (Nasdaq: PCYC) high of $25.99. Pharmacyclics has been making a strong move since reporting strong quarterly numbers last week. The company is currently working with Johnson & Johnson (NYSE: JNJ) on a cancer treatment which could be worth up to $1 billion and investors are liking how the story is unfolding so far.
  
  
• Apple Inc. (Nasdaq: AAPL) high of $503.83. Hitting its all-time high of $503.83 early in the session, Apple has hung around the $500 level not really moving in one direction or the other. Recent news has Apple taking filing a lawsuit and preliminary injunction against Motorola (NYSE: MMI) in the U.S. as well as news earlier that it is requesting an investigation by the FLA into Foxconn Electronics' facilities.

52-Week Low:

• Chelsea Therapeutics (Nasdaq: CHTP) low of $2.90. Chelsea got slammed Monday following disclosure it received briefing documents from the U.S. FDA which raised questions related to Northera's short-duration studies, limited size of study population, and "challenges in quantifying symptomatic and clinical benefit." For more, click here.
  
  
• Silicon Graphics Int'l (Nasdaq: SGI) low of $9.30. Silicon Graphics continues lower without too many catalysts interfering to reverse that trend. Shares dropped 31.5 percent last week and moved an additional 6 percent Monday. The initial movement came after reporting lower-than-expected second-quarter earnings and guidance.

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