/PRNewswire/ -- More than 60 percent of the top 100 domestic premium wine brands are now sealed with natural cork, another sign of the growing resurgence of cork and the diminishing use and acceptance of alternative closures.Case sales of the top 100 domestic premium wine brands sealed with cork surged 7.7 percent during the four-weeks ended Sept. 17, 2011, compared to the same period a year earlier. During the same period, the sale of the top 100 brands finished with alternative closures plummeted 11.9 percent. The results are from a survey of A.C. Nielsen data by the Cork Quality Council.