CSX Corp. (NASDAQ:CSX) and BNSF have had no talks on a merger. CSX (NASDAQ:CSX) remains open to an approach from Warren Buffett's (NYSE:BRK.B) BNSF, but no offer has been made, according to CNBC's ...

CSX and Berkshire Hathaway-owned BNSF on Friday announced new coast-to-coast services, a move that strengthens their freight ...