Palantir Technologies shares rose 7.7% on Thursday, their strongest one-day gain in about a month, after PwC US expanded its partnership with the company to bring Palantir’s AI and analytics tools to more enterprise clients. The advance followed two losing sessions and came despite renewed criticism from investor Michael Burry, who questioned whether Palantir’s roughly $440 billion valuation is supported by its business model. The expanded relationship combines PwC’s business-transformation work with Palantir’s data and AI software to help companies improve operations, support decisions and deploy AI across core workflows. Palantir already works with Deloitte and Accenture on enterprise AI projects, giving it several major consulting channels. Burry raised concerns about receivables, deferred revenue, stock-based compensation, tax benefits and executive spending, and warned that the valuation could eventually fall below $100 billion. Retail sentiment on Stocktwits remained bearish, with traders divided between Palantir’s AI-driven business momentum and concerns about valuation, revenue quality and long-term returns.