Interim phase II data showing that an eight-week course of Achillion Pharmaceuticals Inc.'s NS5A inhibitor, ACH-3102, and Sovaldi (sofosbuvir, Gilead Sciences Inc.) in 12 hepatitis C virus (HCV) genotype 1 patients resulted in a complete sustained virologic response rate four weeks after treatment (SVR4) pushed company shares (Nasdaq:ACHN) up 9.6 percent to close at $9.25 Friday.