Benzinga’s Top Pre- Market Gainers (UAUA, NVAX, DDRX, DYAX, SNTS)

UAL Corporation (NASDAQ: UAUA) was today upgraded by Morgan Stanley to Overweight from Equal-Weight. UAUA is trading at $8.71, up 5.45% in the pre-market session. The 52-week trading range for UAUA is $3.07 - $12.88. In the last six months, UAUA is up over 65%.

Novavax, Inc. (NASDAQ: NVAX) soared over 7.70% to $3.46 after Novavax reported positive clinical results from pivotal study of H1N1 Influenza Vaccine in Mexico. Yesterday, NVAX closed at $3.21.

Diedrich Coffee, Inc. (NASDAQ: DDRX) is currently trading at $35, up 3.03% in the pre-market session. Today, Green Mountain Coffee Roasters enhanced its proposal to acquire Diedrich Coffee for $35.00 per share in cash, for a total value of approximately $290 million. In the previous trading session, DDRX closed at $33.97. DDRX also made a new high at $34.09 yesterday.

Dyax Corp. (NASDAQ: DYAX) yesterday reported that the U.S. Food and Drug Administration (FDA) has given approval for KALBITOR which is used for the treatment of acute attacks of hereditary angioedema. DYAX climbed up 28.29% to $4.49. In the last six months, DYAX gained over 110%.

Santarus, Inc. (NASDAQ: SNTS) yesterday announced that the U.S. Food and Drug Administration has approved Schering-Plough HealthCare Products for over-the-counter (OTC) treatment of frequent heartburn. SNTS is trading at $5.38, increased by 25% in the pre-market session. The 52-week trading range for SNTS is $1.05 - $4.39.