Palantir Technologies Inc. (PLTR) Stock Slides in Post-Christmas Trade as Valuation Debate Builds Ahead of Monday’s Open
NEW YORK, Dec. 27, 2025, 9:42 a.m. ET — Market Closed (Weekend). Palantir Technologies Inc. stock (PLTR) heads into the final stretch of 2025 with investors weighing a familiar tug-of-war: powerful AI-driven momentum and improving fundamentals versus a valuation that leaves little margin for error. The U.S. stock market is closed Saturday, meaning Friday’s close is the last actionable price signal until trading resumes Monday, Dec. 29. Where Palantir stock stands after Friday’s session PLTR finished Friday, Dec. 26 at $188.71, down 2.81% on the day, then edged lower to $188.17 in after-hours trading. StockAnalysis The pullback matters not only