Benzinga’s Top Pre-Market Gainers (TSN, ARG, PWER, BZH, NLST, NVAX)

Tyson Foods, Inc. (NYSE: TSN) increased 4.43% to $14.61 in the pre-market session. Tyson Foods reported today a first-quarter profit of $160 million, or $0.42 per share, as compared to a loss of $102 million, or $0.27 per share, in the year-ago period. Sales increased to $6.64 billion from $6.52 billion for the same quarter last year. Analysts on an average expected TSN to report earnings of $0.17 per share. The 52-week trading range for TSN is $7.51 - $14.38. In the last six months, Tyson Foods has gained over 23%.

Airgas, Inc. (NYSE: ARG) climbed 41.74% to $61.70 in the pre-market session after Air Products and Chemicals, Inc. (NYSE: APD) announced that it has made an offer to acquire Airgas for $60.00 per share in cash. In the previous trading session, Airgas closed at $43.53. Airgas has surged over 23% in the last year.

Power-One, Inc. (NASDAQ: PWER) jumped 23.87% to $3.84 after Power-One reported a fourth-quarter net income of $5.4 million or $0.05 per share, as compared to $1.7 million or $0.02 per share in the year ago period. The 52-week trading range for PWER is $0.33 - $4.81. Power-One closed at $3.10 in the last trading session.

Beazer Homes USA, Inc. (NYSE: BZH) moved up 0.97% to $4.15 in the pre-market session after Beazer reported a first-quarter profit of $48 million, or $1.17 a share, after losing $80.3 million in the prior-year period. The 52-week trading range for BZH is $0.24 - $6.93. Beazer Homes closed at $4.11 in the previous trading session.

Netlist, Inc. (NASDAQ: NLST) surged 9.65% to $3.75 in the pre-market session. In the last trading session, Netlist closed at $3.42. The 52-week trading range for Netlist is $0.11 - $7.98. NLST has climbed over 776% in the last six months.

Novavax, Inc. (NASDAQ: NVAX) climbed 2.91% to $2.12 in the pre-market session. Novavax announced today that Dr. Rahul Singhvi, President and Chief Executive Officer of Novavax will be presenting at the 12th Annual BIO CEO & Investor Conference on February 8th, 2010 at 10:00 am local time. Novavax closed at $2.06 in the last trading session. In the last year, Novavax has gained over 29%.