REFILE-UPDATE 2-U.S. FDA approves AbbVie hepatitis C drug, costs $83,319 for 12 weeks By: Reuters: Company News December 22, 2014 at 13:06 PM EST (Corrects typographical error in first paragraph to Sovaldi instead of Solvadi) Read More >> Related Stocks: AbbVie Enanta Pharmaceutica Gilead Sciences