Palantir Stock Slides Again on November 21, 2025 as Insider Selling and AI Bubble Fears Hit PLTR
Published: November 21, 2025 Palantir Technologies (NASDAQ: PLTR) extended its recent slide on Friday, November 21, 2025, as investors reacted to a cluster of headlines: a fresh analyst downgrade, a high‑profile insider sale by CEO Alex Karp, hedge funds rotating out of the stock, and mounting worries that the artificial intelligence (AI) trade may be running too hot. By mid‑afternoon,…