Union Pacific (UNP) Stock After Hours Today (Dec. 24, 2025): Merger Scrutiny, Holiday-Thin Trading, and What to Watch Before the Next Market Open
Union Pacific closed at $235.05 on Dec. 24, up 0.38% in a holiday-shortened session, then slipped to $234.34 in after-hours trading. U.S. markets will remain closed Dec. 25 for Christmas. The Surface Transportation Board set Dec. 29 as the deadline for comments on Union Pacific’s merger application with Norfolk Southern.