 Shares in Diageo, the maker of Johnnie Walker, Smirnoff, Guinness and Captain Morgan have risen by around a third over the past twelve months, even with a wobble recently. The company itself has already flagged up interim organic net sales growth of 16, with a November investor day setting out medium-term guidance for organic net sales of 5-7 and organic operating profit growth of 6-9 for 2023 to 2025 financial years. 