Rigetti stock slides as quantum-computing trade cools into year-end Rigetti Computing’s shares fell about 3% on Monday, extending a late-December pullback in quantum-computing stocks as traders booked gains and waited for fresh catalysts. 29 December 2025 NASDAQ:IONQ·NASDAQ:QBTS·OTC:QUBT.O·OTC:RGTI.O·Quantum Computing·Stock Market
