Quantum Computing Inc. (QUBT) news and analysis

7 articles
IonQ (IONQ) jumps on a quantum error-correction claim and a first system for Nvidia's research center
News

IonQ (IONQ) jumps on a quantum error-correction claim and a first system for Nvidia's research center

IonQ shares jumped after the company said it built the first end-to-end real-time quantum error decoder on a single CPU, tested on simulated circuits of up to 408 logical qubits. IonQ also said its Superion 256 will be the first on-premises quantum computer at Nvidia's research center in 2027.

Sep 23, 2026
IBM has a $1 billion quantum foundry award. Where do IonQ, D-Wave and Rigetti get their chips?
Explainers

IBM has a $1 billion quantum foundry award. Where do IonQ, D-Wave and Rigetti get their chips?

Anderon, IBM's Albany quantum foundry, signed its final $1 billion CHIPS award on Wednesday and named no outside customer. D-Wave's Advantage2 prototype came from a SkyWater fab that IonQ bought in July, Rigetti runs its own fab in Fremont, and neither IonQ nor Quantum Computing Inc received an award.

Sep 16, 2026
Lumentum (LITE) and Coherent (COHR) have each beaten Wall Street six quarters straight. Intuitive Machines (LUNR) has missed six straight, and 28 more AI stocks report the same week.
News

Lumentum (LITE) and Coherent (COHR) have each beaten Wall Street six quarters straight. Intuitive Machines (LUNR) has missed six straight, and 28 more AI stocks report the same week.

Lumentum and Coherent haven't missed a quarter in over a year. Intuitive Machines hasn't beaten one. More than 30 AI-linked stocks report earnings the week of August 10, and their trailing records couldn't be more different.

Aug 8, 2026
Rigetti (RGTI) and D-Wave (QBTS) report earnings Thursday. Rigetti's last profit was a warrant revaluation.
News

Rigetti (RGTI) and D-Wave (QBTS) report earnings Thursday. Rigetti's last profit was a warrant revaluation.

D-Wave reports Thursday morning and Rigetti Thursday afternoon, with IonQ going first on Wednesday. The Street wants about $4 million of revenue from D-Wave and $5 million from Rigetti, against market caps of $8.1 billion and $5.8 billion.

Aug 4, 2026
All seven Magnificent Seven stocks fell today. Here's where that money actually went (July 23, 2026)
News

All seven Magnificent Seven stocks fell today. Here's where that money actually went (July 23, 2026)

All seven Magnificent Seven stocks were red by late morning Thursday, led by Tesla's 14% drop on an earnings miss and Alphabet's close-to-7% slide despite beating estimates, on another capex raise. Amazon and Meta sold off too ahead of next week's reports. The money didn't just leave, it rotated: into defense on Lockheed's earnings beat, and out of quantum, SaaS and space.

Jul 23, 2026
Bullish Watch, week of July 13: the market panicked over a Meta headline, and got it wrong
News

Bullish Watch, week of July 13: the market panicked over a Meta headline, and got it wrong

This week's watchlist, updated through Tuesday: Nebius gave back its early bounce on a data-center headline unrelated to its business, Kraken Robotics is holding up best of the five, Intel swung from a 6% drop to a 4.5% rally in two days, and Rocket Lab and Harmonic are still finding their footing.

Jul 11, 2026
The government is betting billions on quantum computing, but the payoff is years away
Explainers

The government is betting billions on quantum computing, but the payoff is years away

Washington is now a quantum-computing investor, having committed about $2 billion to nine companies and taken equity stakes back in May. But the technology will not pay off for years, and the pure-play stocks are already priced for a future that has not arrived. Here is the realistic picture.

Jun 28, 2026
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