Key Takeaways Palantir shares tumbled Thursday, extending their recent slide as the data analytics software provider's stock gained another bearish call from high-profile investor. Michael Burry, who inspired the film and book "The Big Short," said he believes the stock is overvalued, based on his analysis of the company's fundamentals. The bears have been piling into Palantir lately. The stock fell nearly 5% to around $129 today, extending this year's declines, after former founder and CEO of Scio ...