Benzinga’s Top Pre-Market Gainers (DIVX, HERO, AMGN, VVUS, JOYG)

DivX Inc DIVX soared 30.22% to $9.05 in the pre-market session. DIVX is going to be bought by Sonic Solutions SNIC for about $323 million. Hercules Offshore Inc HERO added 7.81% to $2.76 in pre-market trading. HERO’s shares had plunged 12.8% yesterday to $2.72, as most offshore drilling stocks dropped after BP PLC BP failed to deal with the oil disaster in the Gulf of Mexico. Amgen Inc AMGN climbed 4.61% to $53.10 in the pre-market session. Yesterday night, the US Food and Drug Administration (FDA) approved AMGN’s injectable osteoporosis drug Prolia well ahead of the expected approval date of July 25. Vivus Inc VVUS moved up 3.85% to $12.67 in pre-market trading. Yesterday, VVUS presented positive results from the Phase 3 study of its investigational drug Avanafil for the treatment of erectile dysfunction at AUA Annual Meeting. Joy Global Inc JOYG gained 3.18% to $49.80 in the pre-market session. Broadpoint AmTech initiated coverage of JOYG with a “buy” rating. Read more from Benzinga's Markets.