Palantir stock slides after hours as tech cools into year-end; PLTR down 2.4%
NEW YORK, December 29, 2025, 16:24 ET — After-hours Palantir Technologies Inc (PLTR) shares fell $4.51, or 2.4%, to $184.20 in after-hours trading on Monday. The stock traded between $183.67 and $188.01 in the regular session, with about 26.4 million shares changing hands. The slide matters because Palantir has been one of 2025’s standout gainers, and year-end trading often magnifies profit-taking in high-flyers. The stock is up about 145% so far this year, according to Yahoo Finance. Yahoo Finance The broader tape turned softer into the final week of the year, with the S&P 500 down 0.34%, the Nasdaq off