The blockbuster deal raises the odds that Buffett’s Berkshire Hathaway, which owns the Burlington Northern Santa Fe railroad, will reach a deal with CSX to create a second transcontinental railroad. Union Pacific and BNSF compete in the western U.S., while CSX and Norfolk Southern are the two big Eastern railroads.

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Berkshire Hathaway Chairman and CEO Warren Buffett tells CNBC’s Becky Quick that despite reports, neither he nor Greg Abel have spoken with Goldman Sachs about facilitating a merger between Berkshire’s BNSF freight railroad and CSX.

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Warren Buffett, the renowned investor and CEO of Berkshire Hathaway, has recently topped an astounding $347 billion in cash, comprising nearly 30% of Berkshire'