IonQ Stock (IONQ) News Today — Dec. 15, 2025: Shares Slide, Analyst Targets Stay Lofty, and Quantum Hype Meets a Volatility Test
IonQ shares fell about 8.7% to $45.99 in heavy trading Monday, after opening near $50.87. The drop followed a widely circulated analysis warning quantum computing stocks may face years of slow growth and valuation pressure. No new company announcement was issued. Trading volume reached roughly 12.7 million shares by midday.