During the post-market trading session on September 22, quantum computing stocks showed broad-based gains, with all four major tickers closing higher. As of press time, IONQ stood out with the strongest performance, up over 11% at $45.37, with trading volume of 2.54 million shares and turnover of $110 million.
Other sector constituents also performed strongly, with QBTS up nearly 6% at $18.55, RGTI up over 5% at $17.41, and QUBT up over 3% at $9.39. The sector saw active trading overall, indicating sustained investor interest in quantum computing concepts.
Sector constituents
| Name | Ticker | Last | Change |
|---|---|---|---|
| IONQ | IONQ.US | 45.37 | +11.36% |
| QBTS | QBTS.US | 18.55 | +5.62% |
| RGTI | RGTI.US | 17.41 | +5.37% |
| QUBT | QUBT.US | 9.39 | +3.41% |