Alphabet and Microsoft are well-funded competitors in the quantum computing realm, with both companies having significant resources to develop this cutting-edge technology. Nvidia plays a supporting role in quantum computing through its NVQLink system, which connects quantum computers with traditional supercomputers. IonQ leads in quantum computing error reduction, holding the world record for two-qubit gate fidelity at 99.99%. While 2026 won’t see mainstream quantum computing, breakthroughs are expected. Investors eyeing quantum computing stocks should consider Alphabet, Microsoft, Nvidia, and IonQ for potential growth opportunities.

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