Why Palantir Stock Gained Today

By Keith Noonan – Apr 13, 2026 at 6:45PM ESTKey PointsPalantir stock rose today despite news that the U.S. was making its own moves to blockade the Strait of Hormuz.The broader market moved higher in response to President Trump stating that Iran had called to resume negotiations to end the war. Palantir (PLTR +3.37%) stock posted significant gains in Monday's trading. The tech specialist's share price ended the day's trading up 3.3%. The S&P 500 index's level climbed 1% in the same daily session and the Nasdaq Composite index's level closed out the day's trading up 1.2%. The artificial intelligence (AI) software company's share price had been up as much as 4.9% earlier in the day. Stocks saw strong bullish momentum in today's session in response to renewed hopes that the Iran war could continue to de-escalate in the near future. Despite today's pop, Palantir stock is still down 25.5% in 2026. Image source: Getty Images. Iran war news continues to spur significant moves The stock market continued to see volatile moves in conjunction with developments connected to the outlook on the Iran war. Stock valuations for some growth-dependent tech stocks were under pressure early in the day due to news that the U.S. was taking steps to block the passage of ships through the Strait of Hormuz, but bullish momentum strengthened as the day progressed. The turnaround was driven by President Donald Trump's statement that Iranian officials had called to restart negotiations on a peace deal. ExpandNASDAQ: PLTRPalantir TechnologiesToday's Change(3.37%) $4.31Current Price$132.37Key Data PointsMarket Cap$306BDay's Range$129.15 - $134.4252wk Range$89.31 - $207.52Volume66MAvg Vol51MGross Margin82.37% What's next for Palantir? The Iran war has been a major source of market volatility since it kicked off at the end of February, and developments in the conflict will likely continue to play a big role in near-term valuation moves. In addition to higher energy and materials sourcing prices connected to the war. While Palantir is a leading provider of defense software and analytics services, macroeconomic risks and the company's growth-dependent valuation have exposed the stock to war-related downside valuation pressures. In addition to macro dynamics connected to the war, perceptions regarding Palantir's competitive positioning in relation to Anthropic will likely continue to play a significant role in shaping the stock's near-term performance.Read NextApr 13, 2026 •By Keithen DruryPalantir's AIP Is Its Secret Growth Weapon. But Is the Stock a Buy?Apr 13, 2026 •By Adria CiminoMichael Burry of "The Big Short" Fame is Betting Against This Stock That's Soared 1,400% During the AI Boom So Far -- and Thinks It Could Drop 60%.

Should You Follow His Lead?Apr 13, 2026 •By Eric TrieStock Market Today, April 13: Palantir Rebounds as Investors Reassess AI Growth After Sharp Sell-OffApr 13, 2026 •By Keith NoonanTrump Says Palantir Has "Great Warfighting Capabilities," but Michael Burry Thinks It's Overvalued by More Than Half in 2026Apr 13, 2026 •By David Jagielski, CPAPalantir's Growth Has Been Impressive, Its Rule of 40 Score Is Incredible, but This Number Is Just Downright PitifulApr 13, 2026 •By Rick Munarriz2 Monster Stocks to Double Up On Right Now Before They ReboundAbout the AuthorKeith Noonan is a contributing writer at The Motley Fool covering technology, consumer goods, and other sectors. He holds a bachelor’s degree in English from Boston College.TMFNoonsStocks MentionedPalantir TechnologiesNASDAQ: PLTR$132.41(+3.40%)+$4.35S&P 500 IndexSNPINDEX: ^GSPC$6,886.24(+1.02%)+$69.35NASDAQ Composite IndexNASDAQINDEX: ^IXIC$23,183.74(+1.23%)+$280.84*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.