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NYSE:CPN 15 December 2025 - 30 December 2025

Constellation Energy stock today: CEG slips in thin year-end trade as Calpine deal stays in focus

Constellation Energy stock today: CEG slips in thin year-end trade as Calpine deal stays in focus

Constellation Energy shares fell 0.6% to $358.33 Monday as U.S. stocks slipped in thin holiday trading. The company’s pending Calpine acquisition advanced, with a key financing deadline extended to Jan. 12. Nuclear license renewals for Clinton and Dresden plants were approved. Utilities edged higher; the S&P 500 retreated from record highs.
30 December 2025
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Constellation Energy (CEG) Stock Today: Calpine Deal Nears Close as Nuclear Data‑Center Contracts Shape 2026 Outlook (Dec. 15, 2025)

Constellation Energy (CEG) Stock Today: Calpine Deal Nears Close as Nuclear Data‑Center Contracts Shape 2026 Outlook (Dec. 15, 2025)

Constellation Energy shares traded near $356.99 Monday after news of federal support for nuclear-powered data centers and a major power deal with Microsoft. The company won “Energy Deal of the Year” for its 20-year Microsoft contract tied to a Pennsylvania nuclear restart. Investors cited recent volatility and focus on long-term contracts for AI-driven electricity demand.
15 December 2025
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