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

By Alexandra Alper (Reuters) -U.S President Donald Trump approved Nippon Steel's $14.9 billion bid for U.S. Steel on Friday, capping a tumultuous 18-month effort by the companies that survived union opposition and two national security reviews.

President Trump signs executive order allowing U.S. Steel partnership with Japan's Nippon Steel, with an $11 billion investment commitment.

President Donald Trump issued an executive order on Friday approving U.S. Steel's merger with Japan's Nippon Steel, after the companies signed a national security agreement with the U.S. government.