1. Despite Palantir's recent explosive growth, the author maintains a 'Sell' rating due to its extreme overvaluation and reliance on sentiment-driven stock price increases. 2. The stock's current valuation multiples, such as 333 times earnings and 60 times sales, are unsustainable and not justified by fundamentals. 3. Palantir's impressive quarterly results and growth rates are overshadowed by the unrealistic expectations for future free cash flow growth and ongoing share dilution.