Why Is Palantir (PLTR) Stock Up 4.74% Today, Oct 21? Software Rally and Federal Cloud Optimism Support Gains
Palantir Technologies (PLTR) rose 4.74% to close at $201.72 on October 21, 2026, as quantified sovereign AI deployments strengthened the case for wider enterprise adoption. This draft covers the daily outlook, principal risks, and technical levels traders are watching.