SAN PEDRO GARZA GARCIA, MEXICO -- (Marketwired) -- 06/30/17 -- Compania Minera Autlan, S.A.B. de C.V. ("Autlan") announces that on June 30, 2017, it completed the sale of an aggregate of 16,370,215 common shares of GFM Resources Limited ("GFMR") to its affiliate Metallorum Hold ...