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.

The move will also prevent Nippon Steel from transferring production or jobs outside the U.S. without consent of the U.S. president.

TOKYO] Nippon Steel on Saturday (Jun 14) touted a “historic partnership” with US Steel after US President Donald Trump approved a multi-billion-dollar merger. Read more at The Business Times.

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

Nippon Steel is expected to complete the acquisition on Wednesday U.S. time, buying all U.S. Steel shares for $14.1 billion.

Shares of U.S. Steel dipped after a Nippon Steel executive told the Japanese Nikkei newspaper that its planned takeover of the company required "a degree of management freedom" to go ahead, even as sources told Reuters a deal with the U.