US Steel shares jump to their best level in at least a decade, after President Trump issued an executive order that allowed the company to finalize its merger with Japan's Nippon Steel.

President Donald Trump would have unique influence over the operations of U.S. Steel under the terms of the investment being made by Nippon Steel.

Pittsburgh's Action News 4 anchor Andrew Stockey sat down with Republican Senator Dave McCormick prior to his event in Pittsburgh's South Park neighborhood Monday.

Nippon Steel Corp. won conditional U.S. approval for its $14.1 billion purchase of United States Steel Corp., capping a lengthy saga in a tie-up that will create one of the world’s largest steel companies.

President Trump on Friday cleared the way for Japan-based Nippon Steel to potentially acquire U.S. Steel, though details about the structure of the deal — including a possible "golden share" held by the federal government — remain unclear.

The European Union must keep a constructive position with the U.S. on trade tariffs to avoid an unwanted trade war, EU Council President Antonio Costa said on Monday.

The companies said they had entered into an agreement with the U.S. government to alleviate any national security concerns.

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.