What’s the most profitable wine style on earth?

What’s the most profitable wine style on earth? Champagne and red Bordeaux are strong candidates, especially at the upper end, but I reckon the answer lies elsewhere. This might surprise you, but the closest the wine world comes to a vinous gold mine is Marlborough Sauvignon Blanc, which rarely sells for less than £6 and often costs considerably more.

How profitable are we talking? Very.

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