Business Insider: The aluminum-products maker Arconic said this morning that it will split into two businesses and spin-off one of them. Arconic, which was separated from the new Alcoa on Nov. 1, 2016, said it will separate its portfolio into Engineered Products & Forgings and Global Rolled Products. The company will consider selling any businesses that do not fit into either of those categories. Arconic has operations in eastern Iowa.