Citron Research says Palantir stock at $40 per share would still be an expensive AI stock to own. Wall Street recommends caution on PLTR shares as well.

Palantir Technologies has created one of the most dramatic stories on Wall Street this year, defying conventional investment narratives. In 2025, it became the top-performing stock in the S&P 500, surging over 106% and at points climbing 144% from the start of the year—outpacing even AI heavyweights like Nvidia.

Short-seller Citron targets PLTR again, using a Databricks comparison to argue the stock is overvalued after its report sent shares falling.

Palantir Technologies Inc. (PLTR): Palantir shares gained nearly 1% pre-market after declining almost 17% since the release of a bearish report by short seller Citron Research on Monday. ・Novo Nordisk AS (NVO): Wegovy and Ozempic maker Novo Nordisk has ...

Palantir shares tumbled Tuesday afternoon, extending recent losses as a high-profile short seller fueled worries the stock could be overvalued after a strong run earlier this year.

Shares in Palantir fell as much as 9% in late trading on Tuesday amid a broad AI pullback and a critical short-seller report.

Cramer has been one of the first to predict Palantir Technologies Inc. (NASDAQ:PLTR)’s strong performance and has praised the firm for its earnings performance. These comments were made just as the dip started, and Cramer discussed a piece by Citron ...