LONDON--(Marketwire - Feb 14, 2013) -  At the close, our research team took notice of Keryx Biopharmaceuticals Inc. (NASDAQ: KERX), Michael Kors Holdings Limited (NYSE: KORS), Gran Tierra Energy Inc. (NYSE MKT: GTE) and BioCryst Pharmaceuticals Inc. (NASDAQ: BCRX).Wall Street Active research team has completed free research on KERX, KORS, GTE and BCRX. As a leading provider of free in depth reports and timely market updates, we invite you to sign up now at

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Keryx Biopharmaceuticals Inc. is currently trading at $7.11, up 0.06 cents which corresponds to a 0.85% upward movement from its last close. The stock has a beta of 3.36. The stock is trading in the range of $7.00 - $7.27. The stock has a 52-week low of $1.28 and a 52-week high of $9.98. The stock traded a volume of 5,488,960 at the end of yesterday's session. OI has a 3 month average volume of 6,651,230.Sign up today and get useful insight about KERXfor free at

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Michael Kors Holdings Limited is currently trading at $61.35, down 0.65 cents which corresponds to a 1.05% downward movement from its last close. The stock has a beta of 2.867. The stock is trading in the range of $61.00 - $63.13. The stock has a 52-week low of $35.50 and a 52-week high of $64.80. The stock traded a volume of 6,350,967 at the end of yesterday's session. OI has a 3 month average volume of 3,940,850.Free report on KORS can be accessed by registering at

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Gran Tierra Energy Inc. is currently trading at $5.87, down 0.04 cents which corresponds to a 0.68% downward movement from its last close. The stock has a beta of 1.79. The stock is trading in the range of $5.85 - $5.97. The stock has a 52-week low of $4.00 and a 52-week high of $6.65. The stock traded a volume of 837,131 at the end of yesterday's session. OI has a 3 month average volume of 1,067,260.Register with Wall Street Active and download the research on GTE for free at
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BioCryst Pharmaceuticals Inc. is currently trading at $1.47, down 0.01 cents which corresponds to a 0.68% downward movement from its last close. The stock has a beta of 1.96. The stock is trading in the range of $1.45 - $1.48. The stock has a 52-week low of $1.08 and a 52-week high of $5.95. The stock traded a volume of 231,110 at the end of yesterday's session. OI has a 3 month average volume of 608,994. Read the full free research on BCRX by signing up to Wall Street Active at
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