SEEQC, which traces its lineage back to IBM, is building the world’s quantum computers. They might prove critical in the ...

Scientists have developed a new approach to correcting common quantum computing errors, which could pave the way for more ...

"Quantum" may seem like a useless buzzword, but quantum computing is a real thing, and it's actually understandable even if ...

Quantum communication saw major progress, including longer-distance demonstrations and systems that operate closer to ...

Rapid advances in the kind of problems that quantum computers can tackle suggest that they are closer than ever to becoming ...

Physicists at Silicon Quantum Computing have developed what they say is the most accurate quantum computing chip ever ...

D-Wave Quantum (NYSE:QBTS) develops quantum computing systems, hybrid solvers, and software platforms, driving technological ...

Quantum computing stocks like Rigetti surged on hype but are now plunging. We examine whether the quantum boom is over and if ...

IonQ's stock has struggled since peaking in October.

The "Oracle of Omaha" normally doesn't invest in technologies he doesn't understand. But he has done so in these two cases.

Detailed price information for Rigetti Computing Inc (RGTI-Q) from The Globe and Mail including charting and trades.