During the regular session on September 23, the U.S. quantum computing sector showed strong performance with all component stocks trading higher. As of press time, sector leader IonQ (IONQ.US) last traded at $42.59, up 4.53%, after reaching an intraday high of $46.02. Quantum Computing Inc (QUBT.US) followed closely, trading at $9.37, gaining 3.14%.

Among other components, D-Wave Quantum (QBTS.US) traded at $17.71, up 0.85%, while Rigetti Computing (RGTI.US) stood at $16.63, advancing 0.67%. In terms of turnover, IONQ recorded approximately $990 million in regular session volume, QBTS logged about $132 million, RGTI posted roughly $137 million, and QUBT saw around $47 million, indicating sustained investor interest across the sector.

The quantum computing space has continued to attract market attention, with technological breakthroughs and improving commercial prospects driving capital allocation toward quantum technology concepts. The broad-based advance during the session reflects investor confidence in the sector's long-term growth potential.

Sector constituents