Hong Kong has overtaken London and New York as Sotheby’s largest wine market after the auction house sold $7.9m of rare vintage to deep-pocketed Asian collectors at the start of October.

One mainland Chinese connoisseur splashed out a record $93,077 for a bottle of 1982 ­Château Pétrus Imperial, providing further evidence of how wealthy Chinese are leading buying activity in markets from wine to property.