As you know, the sparkling wine category is hot right now. In our most up to date scans ending October 7, 12 week trends for sparkling wine and Champagne grew sales by 11.5% and volume by 9.4%, per Symphony IRI. Korbel, one of the leading brands in the category, has grown 13% (or 105,000 cases) year-to-date, according to a report from F. Korbel Bros.