Arqit Quantum Inc. - Ordinary Shares (ARQQ)

Arqit launched its new software platform this week. So why did the stock get crushed?

Rigetti Computing (NASDAQ: RGTI) has captivated the financial world with an astonishing stock surge, experiencing a "5,000% Quantum Leap" over the past year, with significant acceleration in momentum in mid-October 2025. This dramatic increase has pushed the quantum computing pioneer's market capitalization to an estimated $16.9 billion to

Draganfly, AST SpaceMobile, and Arqit Quantum are among October’s biggest tech gainers, fueled by contracts, satellite launches, and index additions.

Quantum computing heats up as QBTS jumps 52%. See how ETFs QTUM, PTF, and SPRX offer diverse exposure while some skip D-Wave entirely.

Several of these quantum computing stocks could be huge winners over the next decade and beyond.

"Q day" might be on the way soon. And this quantum computing stock could skyrocket.

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The acquisition is expected to strengthen Arqit’s quantum-safe encryption capabilities and expand global cybersecurity offerings.

Nvidia's Quantum Day will show off the mind-bending principles of quantum mechanics to process information in ways classical computers could never achieve. This isn’t just a faster chip or a new programming trick; it’s a whole new way of computing.

Arqit Quantum's stock price jumped, driven by investor excitement surrounding quantum-safe encryption and the growth of the quantum computing industry.