Vuelta Stage Report: Sunweb's Nikias Arndt won a rain-soaked stage 8 of the Vuelta a España. The German was the strongest rider of the early break that splashed its way in to Igualada after 166.9 kilometres. Frenchman Nicolas Edet (Cofidis) moved into the overall lead with 3 minutes on Miguel Ángel López of Astana.