By Yuka Obayashi and Noriyuki Hirata TOKYO (Reuters) -Nippon Steel shares rose on Monday after U.S. President Donald Trump approved its $14.9 billion bid for U.S. Steel, clearing a key hurdle in its 18-month pursuit and securing access to a vital market for its growth strategy.

Nippon Steel Corp. won conditional US 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.

President Donald Trump has signed an executive order paving the way for a Nippon Steel investment in U.S. Steel, so long as the Japanese company complies with a “national security agreement” submitted

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 Donald Trump issued an executive order on Friday officially giving the green light to Nippon Steel Corporation's multi-billion-dollar purchase of U.S. Steel Corporation.

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.

U.S President Donald Trump formally approved Nippon Steel's fraught $14.9 billion bid for U.S. Steel on Friday, capping a tumultuous 18-month effort by the companies, beset by union opposition and two national security reviews.

The agreement with Nippon Steel is designed to resolve national-security concerns with the company’s planned acquisition of U.S. Steel.

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