Constellation Energy (CEG) Stock After Hours on Dec. 24, 2025: What Happened After the Bell—and What to Watch Before the Next Market Open
Constellation Energy closed at $363.95, up 0.73%, in a shortened Christmas Eve session, then slipped to $363.80 in thin after-hours trading. Volume was light, with shares moving between $359.00 and $364.56. The Dow and S&P 500 ended at record highs. U.S. markets are closed Dec. 25 for Christmas.