...Diageo plc's rating affirmation and Stable Outlook reflect its strong and defensible business profile, and strong free cash flow (FCF) generation. These more than offset a prospective increase of leverage by June 2020 tow ards the maximum threshold consistent w ith the `A-' rating. Improved operating performance in the US, together w ith good performance in other regions, contributes to the group's solid FCF. In addition, efforts to reshape the portfolio, w ith asset divestments, new product launches and the acquisition of brands, improve the company's grow th potential....