Hercules Offshore Inc (NASDAQ:

) 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 (NASDAQ:

) 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 (NASDAQ:

) 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 (NASDAQ:

) 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