(Forbes) - Forbes doesn’t often write about the merits of investing in vintage wine but I recently connected with John Kapon, president and owner of one of the world’s oldest and most active wine auctioneers, New York‘s Acker, Merrall & Condit. John was talking up the virtues of buying certain vintage Bourdeaux’s “on weakness.” He likens it to buying great blue chip stocks on the dips. Below is a guest post from John Kapon, CEO of Acker Merrall: