By Gianluca Semeraro MILAN (Reuters) -Leading Italian insurer Generali on Thursday confirmed all targets in its business plan to 2024 after upbeat nine-month results, adding it was able to generate 1 billion euros per year of cash for any potential M&A. In September, sources had said Generali was exploring several potential U.S. acquisition targets in the asset management business, including investment firm Guggenheim Partners. For a deal of this size, Generali may need to divest its private bank Banca Generali, sources had said at that time. In a post-results call with journalists, Chief Fina…