IONQ ▲ +6.6% - IonQ, Inc. $IONQ IonQ Demonstrates Industry’s First End-to-End Real-Time Quantum Error Decoder IonQ shares rose 6.6% following the company's announcement of the industry's first end-to-end real-time quantum error decoder, a technical advancement that addresses one of the fundamental challenges in making quantum computers practical and scalable. The demonstration suggests IonQ has made progress on a critical capability that could improve the reliability and commercial viability of its quantum systems. 22-SEP-2026 04:00 PM ET