FILE PHOTO: A Ferretti booth sits among yachts on display at the Singapore Yacht Show on Sentosa Island April 25, 2015. Picture taken April 25, 2015. REUTERS/Edgar Su Reuters MILAN (Reuters) - Italian investors led by Milanese asset manager Banca Mediolanum bought into an Hong Kong initial public offering by luxury yacht maker Ferretti, which saw Chinese investors take the lion's share, a person with knowledge of the matter said. Mediolanum declined to comment. Braving turbulent markets and the backdrop of international sanctions against Russia that led to the seizure of the mega-yachts owned by oligarchs, Ferretti last Friday pulled...