Benzinga’s Top Pre-Market Gainers (ITMN, XRTX, SEED, SBLK, VVUS)

InterMune, Inc. (NASDAQ: ITMN) increased 5.24% to $24.50 in the pre-market session. ITMN made a new 52 week high at $25.37 in the last trading session. In the last six months, ITMN has gained over 51%.

Xyratex Ltd. (NASDAQ: XRTX) climbed 17.22% to $17.97 in the pre-market session. Xyratex Group Limited raised its first quarter of 2010 guidance and expects revenue to be in the range of $313 to $318 million, as compared to previous range between $245 and $285 million and GAAP earnings per diluted share to be in the range of $0.77 to $0.87, as compared to previous range between $0.24 and $0.52. In the previous trading session, XRTX closed at $15.33. Xyratex has surged over 651% in the last year.

Origin Agritech Ltd. (NASDAQ: SEED) jumped 7.45% to $11.10 in the pre-market session. Origin Agritech Limited announced today that it has developed a strategic pesticide business unit for premium branded chemical products. The 52-week trading range for SEED is $1.75 - $15.02. Origin Agritech closed at $10.33 in the last trading session.

Star Bulk Carriers Corp. (NASDAQ: SBLK) moved up 4.21% to $2.97 in the pre-market session. The 52 week trading range for SBLK is $1.34 -$5.45. Star Bulk Carriers closed at $2.85 in the previous trading session. Star Bulk Carriers has declined over 18% in the last six months.

VIVUS, Inc. (NASDAQ: VVUS) surged 3.94% to $9.75 in the pre-market session. Vivus, Inc. announced the issuance of three additional patents by the U.S. Patent and Trademark Office covering Qnexa, an investigational new drug candidate for the treatment of obesity. In the last trading session, VVUS closed at $9.38. The 52-week trading range for VIVUS is $2.72 - $12.88.