Palantir Stock (PLTR) News Today: Market Closed, Fresh Forecasts, and What Investors Should Watch Before Monday’s Open
NEW YORK, Dec. 28, 2025, 9:30 a.m. ET — Market closed Palantir Technologies Inc. heads into the final full trading week of 2025 with investors split between two powerful forces: a momentum-heavy rally built on enterprise AI enthusiasm—and intensifying scrutiny of valuation as the calendar flips toward 2026.