Market Overview - US stock futures experienced a sharp pullback, with S&P 500 futures down 1.3% and Nasdaq 100 futures down 1.6% as doubts about the AI-driven rally emerged [1] - Wall Street is seeing deepening losses, with skepticism about stock valuations despite strong earnings reports [2] Earnings Reports - Palantir's shares dropped over 5% despite beating third-quarter earnings expectations, as analysts suggested the company's valuation is overinflated [2][10] - The upcoming earnings season is expected to feature over 100 reports, with notable companies like AMD, Uber, Spotify, and SuperMicro reporting on Tuesday [3] Valuation Concerns - Wall Street CEOs have warned of a potential equity market drop of more than 10% in the next 12 to 24 months, indicating that such a correction could be beneficial [5] - Corporate earnings are strong, but concerns about valuations persist, with investment manager Capital Group's CEO stating that most view stocks as between fair and fully valued [6][7] Specific Company Movements - Denny's stock surged nearly 50% in premarket trading after announcing an agreement to be taken private by a group of investors [4]