Union Pacific's stock rose slightly to $229.35 in premarket trading, while Norfolk Southern's stock dipped more than 2% to $279.95.

Union Pacific’s stock rose slightly to $229.35 in premarket trading, while Norfolk Southern’s stock dipped more than 2% to $279.95.

OMAHA, Neb. (AP) — Union Pacific is seeking to buy Norfolk Southern in a $85 billion deal that would create the first transcontinental railroad in the U.S, and potentially trigger a final wave ...

Union Pacific's stock was up nearly 2% at $231.03 in premarket trading after the announcement while Norfolk Southern's stock dipped more than 2% to $280.