U.S. stocks slipped on Aug. 19, 2025 following a sharp decline in tech shares. The tech-heavy Nasdaq-100-based exchange-traded fund Invesco QQQ Trust (QQQ) lost 1.4% on Aug. 19, 2025. The pressure came after weakness in stocks like Palantir (PLTR) and NVIDIA (NVDA) weighed on the broader market on Tuesday. PLTR shares slumped 9.4% and NVIDIA shares retreated about 3% on Aug. 19, 2025.Palantir shares surged more than 150% from their April low heading into its second-quarter earnings, when the company reporte ...