Rigetti Computing Slides As Quantum Darling Faces Test

NEW YORK, December 29, 2025, 11:49 ET — Regular session Rigetti Computing’s shares fell about 3% on Monday, extending a late-December pullback in quantum-computing stocks as traders booked gains and waited for fresh catalysts. The moves matter now because the quantum group has become a momentum trade into year-end, where lighter holiday liquidity can magnify swings in high-volatility names. Investors Business Daily said the sector’s recent slide followed a brief pop earlier this month that arrived “without major news,” and was later met by profit-taking and valuation jitters. Investors Rigetti has drawn attention alongside peers such as IonQ and D-Wave, but much of the day-to-day trading has been driven by shifting sentiment toward the whole theme rather than a single company headline.

Investors have been reassessing how quickly early-stage quantum companies can turn research progress into repeatable revenue. Investors Rigetti (RGTI.O) was down $0.66 at $21.72, after trading between $22.55 and $21.54. About 14.6 million shares had changed hands by late morning. Daily stocks & crypto headlines, free to your inbox By continuing, I agree to the Market Data Terms of Service and Privacy Statement

Rigetti Computing’s (NASDAQ: RGTI) stock has taken Wall Street by storm, skyrocketing after the company announced a significant breakthrough in quantum computing technology. Investors, analysts, and tech enthusiasts are watching closely as Rigetti’s latest milestone signals a potential new era for commercial quantum computing—and for the company’s prospects in a sector that’s been long on promise but,... Rigetti’s meteoric rise began after it revealed that its latest quantum processor, codenamed "Aspen-M," achieved reliable error rates and algorithm performance surpassing the much-discussed quantum advantage threshold. Quantum advantage refers to the moment when a quantum computer can solve problems faster or more efficiently than the most powerful classical supercomputers. For years, companies and researchers have been racing toward this line, with incremental progress and heavy skepticism from industry observers. The milestone achieved by Rigetti’s Aspen-M chip goes beyond simple error correction.

According to company disclosures, the system now consistently runs quantum algorithms that demonstrate a tangible speedup for certain optimization and simulation problems—some of which are central to logistics, cryptography, drug discovery, and advanced material... This capability opens the door for enterprises and governments to experiment with quantum solutions that, until recently, were largely theoretical. Quantum computing is often described as the "moonshot" of information technology. Unlike classical bits, which store data as 0 or 1, quantum bits (qubits) can exist in multiple states simultaneously due to superposition and entanglement. This makes quantum computers potentially vastly more powerful for certain classes of problems. However, practical, large-scale, and reliable quantum computers have remained elusive, hindered by noise, instability, and extremely high error rates.

Rigetti’s achievement is significant because it marks one of the first credible demonstrations of a mid-scale, gate-based quantum processor reliably surpassing classical machines for targeted tasks. While other tech giants like Google, IBM, and IonQ have claimed various breakthroughs, Rigetti’s progress is unique for its focus on practical, commercially valuable applications rather than abstract benchmarks. Johnson & Johnson shares are trading near record highs, yet major institutional investors are sending mixed signals... Quantum computing company Rigetti Computing Inc. (NASDAQ:RGTI) is eyeing a significant share of both the U.S. and international government quantum computing budgets, even as a major federal funding bill remains in limbo.

RGTI shares are sliding on disappointing news. View the charts here. During the company’s second-quarter earnings call on Tuesday, Rigetti’s CEO, Subodh Kulkarni, pointed to the scale of the opportunity tied to the pending National Quantum Initiative reauthorization, which he says would allocate “$2.5 billion... See Also: IonQ’s Big Growth And Big Loss Test Quantum ETF Resilience Kulkarni notes that government funding for quantum projects isn’t limited to the U.S., with “many other countries in the western world” and certain “friendlier countries in Asia” planning to spend “hundreds of millions of...

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