By Astrid Wendlandt PARIS (Reuters) – Gucci still has more work to do to become a more exclusive brand, parent Kering said on Thursday after the leather goods maker posted its weakest sales growth in four years. Gucci, which accounts for more than half of Kering’s valuation, has been hit like arch-rival LVMH’s Louis Vuitton by lower Asian demand and disruptions linked to efforts to reposition itself more upmarket. Gucci’s like-for-like third-quarter sales rose 0. …
