Palantir (PLTR) Stock Today: Nvidia Deal, ‘Chain Reaction’ AI Platform and Bubble Fears – Latest News & Forecasts (Dec. 4, 2025)
Palantir Technologies shares rose about 3% to $176 on December 4, 2025, after announcing “Chain Reaction,” a new AI data center platform with Nvidia and CenterPoint Energy. The stock remains roughly 15–20% below its November high. Market cap stands near $420 billion. Palantir’s stock has gained over 200% in the past year despite recent volatility.