Constellation Energy (CEG) Stock News Today: NRC Extends Key Nuclear Licenses, Calpine Deal Nears Closing, and Analysts Refresh Price Targets (Dec. 17, 2025)
Constellation Energy Corporation (NASDAQ: CEG) stock is in the spotlight on December 17, 2025, as investors weigh two major fundamentals-driven updates—fresh 20-year nuclear license renewals in Illinois and continued progress toward the company’s proposed acquisition of Calpine—against a sharp, risk-off rotation hitting the broader “AI power trade.” Below is a full roundup of the most important Constellation Energy stock news, forecasts, and market analysis driving CEG today. CEG stock price today: a sharp drop despite strong fundamental headlines Constellation Energy shares are volatile on Wednesday. CEG last traded around $334.56, after opening near $368.51 and swinging between an intraday high