Alcoa Corp., the largest U.S. aluminum producer, warned that a threatened 25% tariff on imports of the metal from Canada would have a “quieting effect” on American consumption, despite ...

The aluminum manufacturer said the carrying value of its investment in the venture was $545 million at the end of June.

Alcoa (NYSE: AA) announced Tuesday it had signed a memorandum of understanding over the continuing aluminum-smelting operation of its San Ciprián, Spain, facility. The MOU, with IGNIS Equity ...