Benzinga’s Top Pre- Market Gainers (PDLI, NVAX, SIMG, ALTH, SEED, SQNM, VVUS)

PDL BioPharma Inc. (NASDAQ: PDLI) climbed 5.50% to $7 in the pre-market session. The 52 week trading range for PDLI is $5.20 - $9.92. So far in 2009, PDLI gained around 7%.

Novavax, Inc. (NASDAQ: NVAX) jumped 6.67% to $3.20 in the pre-market session. The 52 week trading range for NVAX is $0.52 - $7.79. In the last trading session, NVAX closed at $3. So far in 2009, NVAX gained over 55%.

Silicon Image, Inc. (NASDAQ: SIMG) moved up 2.31% to $2.21. The 52 week trading range for SIMG is $2.03 - $5.13. In the last six months, SIMG declined by around 8%. In the previous trading session, SIMG closed at $2.16.

Allos Therapeutics, Inc. (NASDAQ: ALTH) surged 3.58% to $6.94 after Allos Therapeutics announced that the United States Patent and Trademark Office has issued a patent for the use of FOLOTYN for the treatment of T-cell lymphoma. In the last trading session, ALTH closed at $6.70.

Origin Agritech Ltd. (NASDAQ: SEED) climbed 2.80% to $11.31. Origin Agritech has received the Biosafety Certificate from the Chinese Ministry of Agriculture for approval of the first genetically modified phytase corn. SEED also made a new high at $11.34 in the previous trading session. So far in 2009, SEED gained over 439%.

Sequenom, Inc. (NASDAQ: SQNM) increased 4% to 4.30 in the pre-market session. The 52 week trading range for SQNM is $2.55 - $25.99. So far in 2009, SQNM declined by over 75%.

VIVUS, Inc. (NASDAQ: VVUS) moved up 2.19% to $8.40. In the last six months, VVUS gained over 55%. In the previous trading session, VVUS ended at $8.22.