 MIAMI, Dec. 09, 2020 GLOBE NEWSWIRE -- Globe Specialty Metals, Inc. GSM, a subsidiary of Ferroglobe PLC NASDAQ: GSM, and Mississippi Silicon LLC MS, together representing the majority of American silicon metal production, welcomed news on December 8th that the U.S. Department of Commerce Commerce will impose preliminary duties of up to 47.54 on all silicon metal imports from Iceland and Bosnia and Herzegovina. 