Palantir (PLTR) stock delivered a solid gain of more than 130% in 2025, far outpacing the S&P 500’s ($SPX) roughly 16% return. The enterprise artificial intelligence (AI) software company has been reporting strong revenue growth alongside meaningful operating leverage. Higher revenue and profitability have significantly lifted investor confidence and pushed PLTR stock higher. However, the elevated valuation of Palantir could pose some challenges. Let's take a closer look. More News from Barchart AI Pl ...