IonQ Climbs 10%, D-Wave Rockets 25%, Rigetti Soars 24%, Quantum Computing Inc. Jumps 14%: The Quantum Trade Roars Back - 24/7 Wall St. Stock Market Live May 21, 2026: S&P 500 (SPY) Slips as Oil Gushes Higher IonQ Climbs 10%, D-Wave Rockets 25%, Rigetti Soars 24%, Quantum Computing Inc. Jumps 14%: The Quantum Trade Roars Back By David Moadel Published May 21, 10:06AM EDT Quick Read Shares of IonQ (IONQ), D-Wave Quantum (QBTS), Rigetti Computing (RGTI), and Quantum Computing (QUBT) moved sharply higher, drive ...