Palantir Technologies CEO Alex Karp attends the 56th annual World Economic Forum (WEF) meeting in Davos, Switzerland, January 20, 2026. Denis Balibouse | ReutersPalantir topped Wall Street's fourth-quarter estimates as more businesses and the U.S. government race to buy its artificial intelligence tools. Shares rose about 7%.Here's how the company did versus LSEG estimates:Earnings per share: 25 cents adjusted vs. 23 cents expectedRevenue: $1.41 billion vs. $1.33 billion expectedRevenue grew 70%...