Benzinga’s Top Pre-Market Gainers (OSIP, BIOD, ARIA, RMTI, DISH)

OSI Pharmaceuticals, Inc. (NASDAQ: OSIP) increased 46.95% to $54.40 in the pre-market session after Astellas Pharma Inc. announced that it will commence a tender offer to acquire all outstanding shares of common stock of OSI Pharmaceuticals, Inc. for $52.00 per share in cash, or an aggregate of approximately $3.5 billion on a fully diluted basis. The 52-week trading range for OSIP is $27.01 - $39.83. In the last six months, OSIP has gained over 10%.

Biodel Inc (NASDAQ: BIOD) climbed 16.54% to $4.70 in the pre-market session. Biodel announced today that the U.S. Food and Drug Administration has accepted for review BIOD’s new drug application seeking approval to market VIAject for the treatment of diabetes. In the previous trading session, BIOD closed at $3.99. Biodel has surged over 7% in the last year.

Ariad Pharmaceuticals, Inc. (NASDAQ: ARIA) jumped 6.30% to $2.70 in the pre-market session. Ariad Pharmaceuticals announced today that its investigational pan-BCR-ABL inhibitor, AP24534, has been granted orphan drug designation by both the U. S. Food and Drug Administration and the European Medicines Agency. The 52-week trading range for ARIA is $0.97 - $3.48. Ariad Pharmaceuticals closed at $2.54 in the last trading session.

Rockwell Medical Technologies, Inc. (NASDAQ: RMTI) moved up 5.20% to $6.27 in the pre-market session. The 52-week trading range for RMTI is $2.56 - $9.39. RMTI closed at $5.96 in the previous trading session. RMTI has declined over 25% in the last six months.

DISH Network Corp. (NASDAQ: DISH) gained 2.65% to $20.50 in the pre-market session. DISH Network reported today a fourth-quarter earnings of $179 million, or $0.40 per share, as compared to $217 million, or $0.48 per share, for the same quarter last year. Revenue reached $2.96 billion from $2.92 billion in the year ago period. The 52-week trading range for DISH is $8.79 - $22.18.