** Shares of U.S. Steel X.N rise 1.6% in premarket trading
** Biden administration delays enforcement of order blocking U.S. Steel's merger with Japan's Nippon Steel 5401.T until June
** President Joe Biden blocked the $14.9 billion acquisition of the American steel firm by Nippon Steel on national security grounds on Jan. 3
** U.S. Steel's shares fell about 30% in 2024 and have been marginally up this year
(Reporting by Shivansh Tiwary in Bengaluru)
((Shivansh.Tiwary@thomsonreuters.com; +91 9708363192; X: @Shivansh_19_;))