Palantir stock slides in New York as tariffs and fresh AI tool news keep pressure on PLTR

February 24, 2026
Palantir stock slides in New York as tariffs and fresh AI tool news keep pressure on PLTR

New York, February 24, 2026, 10:15 (EST) — Regular session.

  • Palantir slipped roughly 2.6% to $127.23 during the morning session.
  • Policy uncertainty grew as the U.S. introduced a fresh 10% tariff regime.
  • Anthropic is rolling out new enterprise AI plug-ins, pushing the old “AI eats software” argument back into the spotlight.

Shares of Palantir Technologies Inc slipped 2.6% to $127.23 Tuesday morning, deepening a two-day drop as sellers continued to exit pricey software stocks. Palantir is now trading roughly 39% lower than its 52-week high of $207.52.

This is notable: Palantir now acts as something of a weathervane for enterprise AI software sentiment. The stock itself? Far from a bargain. Jitters in the market often hit high-flyers like this one first, especially those priced for heavy growth.

Software stocks tumbled 4.3% on Monday, taking a hit as Wall Street lost ground amid fresh concerns over AI shakeups and changing trade news, according to Reuters. “Sell first, assess later,” is how Tom Hainlin, national investment strategist at U.S. Bank Wealth Management, summed up the investor mood. Reuters

Trade policy threw in another twist Tuesday. U.S. Customs and Border Protection rolled out a 10% tariff, targeting goods outside the exemption list—lower than the 15% President Donald Trump suggested right after the initial announcement. Deutsche Bank pointed to Trump’s State of the Union later Tuesday as a possible source for “the next steps on tariffs.” Reuters

Investors, for their part, are eyeing the speed at which AI developers shift from flashy demos to the nuts and bolts of daily operations. Anthropic has just introduced 10 new plug-ins for its Claude model, targeting functions like deal review, HR, and engineering—these are being built together with LSEG, FactSet, Slack, and DocuSign. “It’s not a product that’s trying to own every workflow,” said Scott White, Anthropic’s head of product for enterprise. Reuters

Palantir ended Monday at $130.60, slipping 3.43%, Reuters data show. The company, which provides data-analysis software to governments and private-sector clients, has been promoting its Artificial Intelligence Platform—touting it as a way for customers to run models directly within their own networks.

No new word from Palantir on Tuesday, and the stock ended up trading as a kind of proxy for risk-on sentiment, rather than reacting to anything from the company itself.

Governance questions are back in focus for some investors. Palantir’s annual report shows expenses tied to CEO Alex Karp’s personal aircraft soared to $17.2 million in 2025, a jump from $7.7 million in 2024. That covers both business and personal travel.

The real headache for bulls? Valuation doesn’t offer much cushion. Any uptick in tariffs or a steeper drop in software budgets—especially if major clients start experimenting with lower-cost AI—might trigger another round of repricing.

Trump’s set to deliver his State of the Union address Tuesday evening, and Nvidia reports earnings after the bell Wednesday, Feb. 25. Both are on traders’ radar as they look for fresh signals on the AI trade, watching to see if investors continue cutting back exposure heading into next week.

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