HONG KONG — Six bottles of 1990 Romanée-Conti Burgundy sold to an Asian buyer at a Christie’s auction in Hong Kong last month for 980,000 Hong Kong dollars ($126,345). A case of wine from the Cros Parantoux vineyard in Burgundy, France, fetched $82,333 in a sale held by the American auction house Acker Merrall & Condit at a restaurant overlooking Hong Kong’s harbor.