IonQ shares jump after quantum computing breakthrough announcement

Shares of quantum computing company IonQ rose in premarket trading after the company announced a breakthrough it described as the industry's first successful real-time, end-to-end error decoder, according to a report from CNBC.

Error correction is widely considered one of the central technical hurdles facing the quantum computing industry. Quantum bits, or qubits, are highly sensitive to noise and environmental interference, which introduces errors that must be detected and corrected in real time for quantum computers to perform reliable, large-scale calculations. Progress on error correction is closely watched by investors and researchers as a signal of how close quantum computing is to practical, fault-tolerant applications.

IonQ is one of several publicly traded companies competing in the quantum computing space, alongside firms such as Rigetti Computing and D-Wave Quantum, as well as larger technology companies including IBM and Google that operate their own quantum research programs.

CNBC's report did not provide additional technical detail on the specific decoder architecture or independent verification of the claimed breakthrough.

Quantum computing stocks have seen significant volatility over the past two years as investor enthusiasm has fluctuated alongside the pace of technical progress and commercial application announcements from companies in the sector.