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.

Japan-based Nippon Steel on Wednesday completed its buyout of U.S. Steel, changing its name to Nippon Steel North America, as the former U.S. industrial giant ended trading on Wall Street under its former brand name.