Key Takeaways Palantir shares slid Wednesday to log their sixth straight day of declines, after a short seller raised concerns about the stock's elevated valuation.Yesterday’s move lower coincided with the relative strength index falling into bearish territory,

Andrew Left argues that investors have overhyped Palantir stock, and its valuation pales in comparison to a true AI leader like OpenAI.

Citron Research, the firm led by short-seller Andrew Left, unpacked its bear case for Palantir, using OpenAI to show why it may be highly overvalued.

Nvidia, Palantir and other superstar AI stocks are under pressure again and dragging Wall Street lower. NEW YORK (AP) — Nvidia, Palantir and other superstar stocks that surged in the mania surrounding artificial-intelligence technology are dragging Wall Street lower again on Wednesday.

NEW YORK — Wall Street faded on Tuesday following drops for Nvidia and other stars that have been riding the mania surrounding artificial-intelligence technology. The S&P 500 fell 0.6% for a third straight loss The heaviest weight on the market was Nvidia,

Wall Street is edging lower on Tuesday following drops for Palantir and other stars that had been riding the mania surrounding artificial-intelligence technology. The S&P 500 slipped 0.4% and is on track for a third straight modest loss after setting its all-time high last week.