Centrus Energy gains after appointing new CFO
** Shares of U.S.-based nuclear fuel supplier Centrus Energy LEU.A rise 2.8% to $242.70 ** Company appoints Todd Tinelli as chief financial officer, effective August 11 ** Tinelli replaces Kevin Harrill, who is resigning to pursue other opportunities after a four-year tenure as CFO and earlier as accounting chief ** Harrill will remain with the company through August 29 ** Including session's moves, shares up 268.3% YTD (Reporting by Pooja Menon in Bengaluru) ((Pooja.Menon@thomsonreuters.com;))