Quantum Computing
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Warren Buffett Has a New Favorite Quantum Computing Stock. (Hint: It's Not D-Wave or IonQ.)
Yahoo Finance· 2025-11-20 08:45
Core Insights - Warren Buffett is preparing to step down from Berkshire Hathaway but has identified a new favorite in quantum computing stocks, which is Alphabet, not D-Wave Quantum or IonQ [1][5] - Prior to Q3 2025, Amazon was the only quantum computing stock in Berkshire's portfolio, but the conglomerate has now invested significantly in Alphabet [3][5] Company Investments - Berkshire Hathaway purchased over 17.8 million Class A shares of Alphabet, valued at more than $5 billion, which is more than double its investment in Amazon [5] - Alphabet's Google Quantum AI is a leader in quantum computing, having achieved significant milestones, including a calculation that would take supercomputers 10,000 years to complete in just 200 seconds [6] Business Focus - The investment in Alphabet is likely driven more by its robust advertising business rather than its quantum computing initiatives, as evidenced by the $74.2 billion revenue generated from advertising in Q3 2025 [8][9]
硅臻首发基于硅光集成芯片的通用可编程量子计算机
Xin Lang Cai Jing· 2025-11-20 05:04
Core Insights - Hefei Silizhen Chip Technology Co., Ltd. has launched a general-purpose programmable quantum computer based on silicon photonic integrated chips at the 2025 Quantum Technology and Industry Conference [1][3] - The quantum computer utilizes photons as qubit carriers and integrates photonic chips, significantly reducing system operation complexity and cost, facilitating the transition of quantum computing from laboratory to industrial applications [3] Technical Specifications - The device currently offers 4 qubits of physical resources for experimental validation in small to medium quantum computing scenarios [3] - The average fidelity for single and two-qubit states reaches 99.7% and 99.4%, respectively, providing a solid foundation for computational results [3] - It supports visual programming and cloud platform access, allowing users to customize algorithms and deploy services, making it accessible even to non-quantum professional teams [3] Future Applications - The quantum computer is expected to find widespread applications in strategy optimization, artificial intelligence, simulation analysis, and information security [3] Development Background - The quantum computing technology is derived from the team of Academician Guo Guangcan from the University of Science and Technology of China, with shareholders including Benyuan Quantum and Guoxin Technology [3] - In May of this year, Silizhen Chip completed a multi-million yuan financing from Xiangfeng Investment to accelerate the progress of photonic quantum computing [3]
超导量子计算机“天衍-287”建成
Ke Ji Ri Bao· 2025-11-20 01:21
Core Insights - China Telecom Quantum Research Institute announced the completion of the "Tianyan-287" superconducting quantum computer, which features 105 data qubits and 182 coupling qubits, developed in collaboration with Keda Guandun Quantum Technology Co., Ltd [1][2] - The quantum computing system demonstrates "quantum computing superiority," processing specific problems 450 million times faster than the fastest supercomputer currently available, and will be integrated into the "Tianyan" quantum computing cloud platform for global application services [1][2] Group 1 - The construction of "Tianyan-287" showcases breakthroughs in three areas: "national production," "AI empowerment," and "super fusion" technology [2] - The hardware and components used in "Tianyan-287" are entirely domestically produced, with key parts like large-capacity dilution refrigerators and low-temperature components developed by local manufacturers [2] - The team developed an AI-enabled automatic calibration system for superconducting chip parameters, achieving efficient and high-precision calibration and maintenance of the quantum computing system [2] Group 2 - The integration of the superconducting quantum computer with the "Tianyi Cloud" supercomputing platform allows for high-bandwidth super fusion, enabling low-latency interaction between quantum computing and supercomputing resources [2] - The "Tianyan" quantum computing cloud platform was officially launched in November 2023, merging Tianyi Cloud supercomputing capabilities with 176 qubit superconducting quantum computing capabilities [2] - The platform has seen over 37 million visits, serving users across more than 60 countries and regions, with over 2.7 million experimental tasks completed [2] Group 3 - The company aims to provide computational support for more industry users and research institutions, expanding the application boundaries of quantum computing and enhancing China's core competitiveness and influence in the field [3]
IONQ Stock Dips 11% After Q3: Should Investors Buy, Hold, or Exit?
ZACKS· 2025-11-19 21:01
Key Takeaways IonQ posted 222% revenue growth in Q3, beat its forecast, and lifted its 2025 revenue guidance.IonQ expanded partnerships and acquisitions to strengthen its quantum platform and capabilities.IonQ hit new quantum milestones, including AQ 64 performance and 99.99% two-qubit gate fidelity.IonQ, Inc. (IONQ) posts strong revenue growth and achieves major milestones, but shares fall post-third-quarter earnings release as profits remain out of reach. So, what should investors do next? Let’s have a lo ...
U.S. Stocks Rebound Amid Nvidia Anticipation and Key Earnings on November 19, 2025
Stock Market News· 2025-11-19 19:07
Core Viewpoint - U.S. equity markets are rebounding as investors await Nvidia's quarterly earnings, with technology and communication services sectors leading the recovery [1][3]. Major Index Performance - The S&P 500 Index is up 0.2% to 0.4%, aiming to end a four-session losing streak [2] - The Nasdaq Composite is showing gains between 0.3% and 0.8%, recovering from two consecutive days of declines [2] - The Dow Jones Industrial Average is slightly lower by 0.1% to 0.2%, also looking to break a four-day losing streak [2] - The S&P 500 has faced recent shakiness due to concerns over elevated stock valuations and uncertainty regarding future Federal Reserve interest rate cuts [2]. Afternoon Trading Activity and Sector Performance - Afternoon trading reflects cautious optimism, driven by Nvidia's upcoming earnings report, seen as a crucial test for the AI sector [3] - Technology and communication services sectors are leading, while consumer defensives, energy, and utilities sectors are lagging [3] - The real estate market showed recovery in Q3 2025, with multifamily and office sectors leading growth [3]. Key Company News and Stock Movements - Nvidia (NVDA) stock is up approximately 1.7% to 3.2% ahead of its earnings report, which is expected to assess the AI industry's health [4] - Alphabet (GOOGL) shares jumped over 3% to an all-time high following the announcement of its AI model, Gemini 3 [4] - Lowe's (LOW) shares surged nearly 5% to 6% after a strong Q3 profit report and raised sales projections [4] - Target (TGT) stock dipped 0.5% to 1.5% despite a stronger profit due to weaker-than-expected revenue [4] - Constellation Energy (CEG) rallied 5.2% to 6.1% after a $1 billion loan announcement from the U.S. Department of Energy [4] - Amazon (AMZN) stock slipped 0.8% after a previous drop of 4.4% due to a rating cut [4] - Adobe (ADBE) announced an acquisition of Semrush Holdings Inc. for approximately $1.9 billion [4] - Medtronic plc (MDT) shares jumped 4.7% after reporting better-than-expected earnings [4] - Amer Sports, Inc. (AS) shares surged 8.5% after surpassing earnings estimates [4]. Upcoming Market Events - The September jobs report is scheduled for release on November 20, following a delay due to a government shutdown [6] - Federal Reserve minutes are expected to provide insights into inflation and labor market conditions [6] - Walmart (WMT) is set to report earnings on November 20, which will offer insights into consumer spending [6].
All It Takes Is $2,500 Invested in This Quantum Stock
Yahoo Finance· 2025-11-19 18:51
Key Points Rigetti stock costs $25 today, but could be worth $51 a year from now. If it keeps doubling at that rate, $2,500 invested in Rigetti today could become $10,000 in two years. Rigetti stock is already very expensive today, however, and entirely unprofitable. 10 stocks we like better than Rigetti Computing › Are you looking for a quick way to double your money in the stock market? Would it feel good to be able to say "I own $10,000 in a popular quantum computing stock?" Then, according t ...
RGTI Stock Plunges 41% in a Month: Should Investors Hold or Fold?
ZACKS· 2025-11-19 17:31
Core Insights - Rigetti Computing (RGTI) has faced significant pressure, with shares dropping 41% over the past month due to a combination of lower revenues and ongoing losses, indicating that commercial traction is still developing despite some technical advancements [1][2][5] - The competitive landscape in the quantum computing sector is intensifying, with other companies like IonQ, D-Wave Quantum, and Quantum Computing Inc. making strides, which raises concerns about Rigetti's near-term execution [3][4] Financial Performance - RGTI shares have declined 40.6% in the past month, the steepest drop among key quantum peers, while IonQ has decreased by 18.1% [4][5] - In 2025, Rigetti is projected to experience a 23.8% decline in revenues, with earnings per share expected to remain negative, declining 88.9% year over year [12][15] - For Q3 2025, Rigetti reported total revenues of $1.9 million, down 18.1% year over year, with an operating loss of $20.5 million [15] Strategic Initiatives - Rigetti continues to secure government and research contracts, which, while not providing immediate recurring revenue, enhance the company's credibility and position in the quantum market [9] - The company is expanding its global partnerships, including collaborations with India's C-DAC and various U.S. academic institutions, which are expected to support future commercial pathways [10] - Rigetti is making progress on its hardware roadmap, with plans to deploy a 150+ qubit system by the end of 2026 and a 1,000+ qubit system by the end of 2027, targeting high fidelity [11] Market Positioning - Rigetti's stock is currently viewed as overvalued, with a price-to-book (P/B) ratio of 22.41X, significantly higher than the industry average of 5.37X [17] - The company remains a speculative investment in the quantum computing space, with ongoing advancements in hardware and partnerships supporting its long-term vision, but near-term revenue softness and losses create uncertainty [20][21]
1 Popular Quantum Computing Stock to Sell Before It Falls 20%, According to a Wall Street Analyst
Yahoo Finance· 2025-11-19 14:12
Group 1 - The core investment interest in quantum computing stocks is shifting towards pure plays like IonQ, D-Wave Quantum, and Rigetti Computing, rather than established AI companies like Amazon and Microsoft, as investors seek new growth sources [2] - Rigetti Computing has seen a significant stock price increase of 1,800% over the past year, but recent trading indicates a decline, with shares currently 55% below their intra-year highs [3] - A Wall Street analyst has a Buy rating on Rigetti but estimates an intrinsic value of $20 per share, suggesting a potential downside of approximately 20% from current levels, indicating that while the macro outlook for quantum computing is positive, Rigetti may be overvalued [4] Group 2 - The popularity of investing in quantum computing stocks has surged as investors have previously focused on leaders in semiconductors and enterprise software for growth, with quantum AI emerging as a revolutionary concept [5] - Traditional computing relies on binary code, while quantum computing utilizes qubits that can process information in multiple states simultaneously, offering the potential for significantly faster algorithm processing [6][7] - Despite Rigetti's popularity and substantial gains over the last year, the company generates minimal revenue and lacks a clear path to operational improvement, indicating potential challenges ahead [8]
Rigetti: Quantum Infrastructure Cornerstone In The Making
Seeking Alpha· 2025-11-19 14:11
Core Insights - Rigetti Computing's Q3 earnings release highlighted the company's accelerated roadmap, commercial wins, and strategic positioning, reinforcing positive investor sentiment [1] Company Performance - The company achieved several significant wins during the quarter, establishing a solid foundation for future growth [1] Market Positioning - Rigetti's strategic positioning in the technology sector, particularly in quantum computing, is expected to enhance its competitive advantage [1]
How QUBT Grows Its Presence in the Emerging Reservoir Computing Niche
ZACKS· 2025-11-19 14:06
Core Insights - Quantum Computing Inc. (QUBT) is set to launch Neurawave, a photonics-based reservoir computing system, at SuperCompute25 (SC25), which is designed for edge-AI applications such as signal processing and time-series forecasting [1][8] - Neurawave integrates optical computing with digital electronics, providing a scalable and energy-efficient solution that operates at room temperature, marking a shift from lab-based innovations to deployable systems [2] - QUBT has made significant sales in 2023, including an EmuCore reservoir computer to a major automotive manufacturer, indicating the technology's potential for AI model training and edge use cases [3][8] Company Performance - QUBT's shares have increased by 416.4% over the past year, significantly outperforming the industry growth of 8.1% and the S&P 500's growth of 14.7% during the same period [7] - The company currently has a forward Price-to-Sales (P/S) ratio of 1880.60X, which is substantially higher than the industry average of 5.59X, indicating a potentially expensive valuation [9] Industry Context - Reservoir computing is an emerging niche within the quantum computing sector, where QUBT does not have direct publicly traded peers but faces broader competition [4] - IonQ has achieved a two-qubit gate fidelity of 99.99%, setting a new standard in quantum system performance, which may influence competitive dynamics in the industry [5] - Arqit Quantum is expanding its role in quantum-safe cybersecurity, indicating a growing interest in secure quantum applications [6]