Constellation Energy (CEG) Stock After the Bell on Dec. 18, 2025: PJM Capacity Shock, FERC’s AI Data-Center Order, and What to Watch Before Friday’s Open
Constellation Energy Corporation (NASDAQ: CEG) closed Thursday’s session (December 18, 2025) sharply higher and held steady in after-hours trading—capping a volatile stretch for one of the market’s most closely watched “AI power” and nuclear-linked names. By the close, investors were
