U.S. Steel shares stopped trading on the New York Stock Exchange on Wednesday after Japan’s Nippon Steel completed its acquisition of the iconic American industrial name. President Donald Trump has insisted for weeks that the companies would form a “partnership” in which U.

Nippon Steel completes its purchase of U.S. Steel after more than a year and half of high-stakes negotiations and national security concerns.

Nippon Steel and U.S. Steel say they've finalized their “historic partnership,” a year-and-a-half after the Japanese company first proposed its deal to buy the iconic American steelmaker for nearly $1