Nippon Steel has finalized its deal to buy 100% of US Steel, the iconic steelmaker that was once the world’s most valuable company and a cornerstone of American industrial might.

The United States Steel logo is pictured outside the headquarters building in downtown Pittsburgh, April 26, 2010. Credit: AP/Gene J. Puskar. By The Associated PressUpdated May 24, 2025 3:11 pm.

The United States Steel logo is pictured outside the headquarters building in downtown Pittsburgh, April 26, 2010. (AP Photo/Gene J. Puskar, File) ...

FILE - The United States Steel logo is pictured outside the headquarters building in downtown Pittsburgh, April 26, 2010. (AP Photo/Gene J. Puskar, File) ...