Reuters SG
** U.S. President Joe Biden plans to express concern over Nippon Steel's proposed $14.9 billion purchase of U.S. Steel X.N, a person familiar with the matter told Reuters, pushing the U.S. company's stock 12% lower on bets the deal could face greater political opposition. ** A deal the South African government has been negotiating for three years to sell a majority stake in South African Airways (SAA) has fallen apart, the minister overseeing the company said on Wednesday. ** Kimmeridge Energy Management has submitted a new offer to acquire SilverBow Resources that values the U.S. oil and gas producer at close to $2.1 billion, including debt, the investment firm said on Wednesday.