Constellation Energy (CEG) Stock Today — Dec. 19, 2025: Latest News, Analyst Forecasts, and What Wall Street Is Watching Next
Constellation Energy (NASDAQ: CEG) is ending the week in the spotlight — and not just because of another volatile trading session. After a sharp surge on Thursday, CEG cooled modestly on Friday as investors weighed a fast-moving mix of catalysts: nuclear license extensions in Illinois, the final regulatory clearance for the $16.4 billion Calpine acquisition, and the broader AI data-center power boom that’s reshaping utility and power-market economics. Reuters+3StockAnalysis+3Reuters+3 By mid-afternoon on Dec. 19, CEG traded around $357–$358, down about 1% from Thursday’s close near $361.05. In Friday’s session, the stock moved through a wide intraday range — a reminder