This quantum computing stock has taken its investors on a wild ride.Quantum Computing Inc. (QUBT 2.37%), also known as QCI, was once a thinly traded over-the-counter (OTC) stock. But on July 15, 2021, QCI became a publicly listed stock by joining the Nasdaq Capital Market. It opened at $6.60 per share on the first day, but sank to an all-time low of $0.42 on July 1, 2024.Like many quantum computing stocks, QCI struggled to grow its sales, racked up steep losses, and failed to justify its sky-high valuations ...

Which of these quantum computing companies has a brighter future?When investors talk about artificial intelligence (AI) stocks, they often focus on chipmakers like Nvidia (NVDA 0.57%), which supplies the data center GPUs used for processing complex AI tasks, or cloud giants like Microsoft, which develop the actual AI software.Yet quantum computing companies could also benefit from the secular expansion of the AI market. Unlike traditional computers, which store their data in binary bits of zeros and ones, q ...

Core Insights - Rigetti Computing (RGTI) is differentiating itself in the quantum computing sector by providing pulse-level access to its quantum processing units, allowing developers enhanced control over qubit manipulation beyond standard gate-level commands [1][8] - This capability is particularly beneficial for researchers and developers focused on advanced quantum algorithms, enabling customization of gates, error correction, and optimization techniques [1] - Rigetti's Quantum Cloud Services platform integrates this deep-level access, facilitating a seamless transition between high-level coding and low-level pulse programming, which is advantageous for government labs, universities, and R&D teams [2] Peer Updates - Arqit Quantum Inc. (ARQQ) has joined the Oracle Defense Ecosystem, enhancing its market presence and validating its SKA Platform for defense applications [3] - Quantum Computing Inc. (QUBT) has raised $200 million in a private placement, increasing its cash reserves to over $350 million to support its photonic chip foundry in Tempe, AZ, which has begun shipping components [4] Financial Performance - RGTI shares have declined by 11.5% year-to-date, contrasting with the industry's growth of 16.1% [7] - The company has a high price-to-book ratio of 18.94, exceeding the industry average, and carries a Value Score of F [9][8] - The Zacks Consensus Estimate for Rigetti's 2025 earnings suggests a substantial year-over-year increase of 86.1% [10]