IonQ Cleared One of Quantum Computing's Biggest Hurdles. Should You Buy the Stock?
Source: Motley Fool ·
IonQ appears to be the clear leader in one key area of quantum computing.
From the source
IonQ (IONQ +4.42%) has taken investors on a roller coaster ride in 2026. The quantum computing stock has seen multiple 20% swings in both directions. And the thrills are intensifying. On Tuesday, Sept. 22, 2026, IonQ announced that it had cleared one of quantum computing's biggest hurdles by demonstrating the first end-to-end real-time quantum error correction decoder. Shares of the quantum computing pioneer soared in after-hours trading on the news, but gave up some of the gains shortly after the market opened on Wednesday. Is IonQ now a smart pick? Image source: The Motley Fool. Breaking down IonQ's breakthrough Quantum computers offer tremendous potential. However, the systems are prone to errors because physical qubits (the basic unit of information in quantum systems) are highly sensitive to environmental noise. Quantum error correction is critical to make the technology useful in practical applications. Companies, including IonQ, have attempted to solve this problem by…