Sierre, Valais, Switzerland (Le Nouvelliste, Fre) – Rouvinez, Sierre-based winery, will buy Charles Bonvin & Fils, including 20 hectares of vineyard, to become the largest private wine company in Valais. Valais is Switzerland’s largest wine-producing canton, with 40 percent of the country’s wine: 45 million litres in 2008. The sale, reportedly for some CHF10 million, [...]