Here’s a proposition that has punters salivating at the prospect of a good post-deal draught. There is talk that Brazilian billionaire Jorge Paulo Lemann is considering taking over spirit megalith Diageo, which already owns Guinness, Johnnie Walker and Ketel One. The news so enthused punters that Diageo’s stock reached its highest point in over seven years — $118. Lemann, however, is no stranger to the alcoholic beverages industry. His firm, 3G Capital, controls the world’s largest brewer, AB Inbev.