The merger, awaiting regulatory approval, will connect over 50,000 route miles across 43 states and approximately 100 ports.

Wall Street chugged mostly higher in premarket trading as Chinese and U.S. officials begin a second day of trade talks.

Union Pacific is offering $20 billion cash and one share of its stock to complete the deal. Norfolk Southern shareholders would receive one UP share and $88.82 in cash for each one of their shares as ...