A superyacht linked to a sanctioned Russian businessman fetched $37.5 million at auction in Gibraltar last month after it was sold at the behest of creditor JP Morgan, a court has confirmed, in the first sale of its kind since Russia invaded Ukraine. The 72.5-metre Axioma was impounded by the Gibraltar authorities in March after US bank said its alleged owner, a company that was owned by Dmitry Pumpyansky, had reneged on the terms of a 20.5 million euro loan. The Office of Admiralty Marshal, the branch of Gibraltar’s Supreme Court mandated with conducting the sale in August, said an unidentifi…