ARNC - Metals mining shares on watch after reports of new Trump tariffs September, 17 2018 08:19 AM Arconic Inc. Mining shares and metal prices are broadly lower following reports that Pres. Trump plans to unveil an additional $200B in tariffs on Chinese goods. More news on: Freeport-McMoRan Inc., BHP Billiton Limited, Rio Tinto plc, Commodities news, News on ETFs, Read more ...