Benzinga's Top Pre-Market NASDAQ Losers (HERO, IDIX, XING, SGMO)

Hercules Offshore Inc HERO dipped 11.44% to $5.65 in the pre-market session. The Securities and Exchange Commission and the Justice Department are investigating HERO's business practices. Idenix Pharmaceuticals Inc IDIX lost 7.41% to $3 in the pre-market session. IDIX announced its plans to sell stock to the public and to Novartis AG. Qiao Xing Universal Resources Inc XING moved down 6.76% to $2.07 in the pre-market session. XING named Mr. Luo Zhaoyang as the company's Financial Controller. Sangamo BioSciences Inc SGMO fell 5.83% to $7.87 in the pre-market trading. SGMO announced its plans to sell 6.7 million shares of stock in an underwritten public offering. Read more from Benzinga's Markets.