Nippon Steel Chief Executive Eiji Hashimoto says the top Japanese steelmaker is standing firm on its proposed acquisition and poses no security risks.

The companies argued in a lawsuit announced on Monday that Biden violated the Constitution by blocking the merger via a sham national security review that deprived the companies of their right to a fair process.

Nippon Steel Corp.’s thwarted bid to expand in the US could mean tougher competition for Chinese mills in an already saturated global market.

President Joe Biden's decision to reject a bid by Nippon Steel to acquire U.S. Steel isn't the first time friction over trade and investment has irked Washington's closest ally in Asia.

U.S. Steel and Japan’s Nippon Steel sued the United States government on Monday in a last-ditch attempt to revive their attempted merger after President Biden blocked it last week on the basis that the transaction posed a threat to national security.

TheStreet’s Conway Gittens brings you the biggest news of the day, including what investors are watching and why U.S. Steel is hoping Donald Trump can save its deal with Nippon