Shares of Palantir Technologies (NASDAQ:PLTR) are down 7% in midday trading Tuesday, changing hands near $136 after the company delivered a blowout Q1 2026 earnings report and raised full-year guidance overnight. The selloff comes despite a clear beat-and-raise quarter. The move puts Palantir stock 23% lower year to date and well below its 52-week high ... Palantir Sinks 7% Despite Q1 Crusher: Sector Strength Exposes the Sky-High Valuation