The largest U.S. railroad union backs Union Pacific’s $85 billion Norfolk Southern acquisition, securing job protection for members. President Trump supports the merger, signaling regulatory openness. The deal, if approved, would create a coast-to-coast freight rail network, putting pressure on rivals like CSX Corp and BNSF.

The endorsement from SMART-TD marks a shift from initial opposition, with concerns about job security, competition, and infrastructure access. The merger would be the largest in U.S. history, potentially reshaping the rail industry landscape. Buffett’s Berkshire Hathaway may reassess its strategy with BNSF in response to the deal.

Read more at Yahoo Finance: Largest US rail union endorses Union Pacific, Norfolk Southern merger