The main rail company serving southwest Missouri says it’s not entertaining the possibility of merging with another railroad. In recent weeks, industry analysts predicted that BNSF Railway would seek to purchase CSX Transportation to create a new coast-to-coast rail carrier.

In the game of musical merger chairs, CSX might be left without a partner. That could be a problem for the stock.

Billionaire investor Warren Buffett on Monday shut down speculation of a blockbuster railroad merger, saying his company Berkshire Hathaway is not looking to buy another train company.