During the current period, this study of Top 100 Brands shows that 73 were cork finished. This is an increase of six brands over the past 6 months. The cork finished brands show a 9.9% volume increase over the same period ending in 2009. This compares to a 3.6% increase for brands finished with alternative closures. The cork finished brands enjoyed a pricing advantage of $1.05 per bottle over brands finished with alternative closures. Read on.