Shares in Quantum Computing Inc., D-Wave Quantum Inc. and Rigetti Computing Inc. dropped more than 30%, while IonQ fell about 29%. These stocks have soared in recent months amid excitement about the technology’s potential, which was heightened last month following a quantum computing breakthrough by Alphabet Inc.
Quantum Computing shares had gained more than 1,800% over the past 12 months to $17.49 through Tuesday’s close. Rigetti rose more than 1,500% to US$18.39 over the same span, while D-Wave advanced nearly 1,000% to US$9.55 and IonQ more than 300% to US$49.59.
Huang’s comments also hit China-listed quantum computing companies, with shares in QuantumCTek Co. Ltd and Accelink Technologies Co. Ltd down sharply on Wednesday.
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Shares in Alphabet, which had rallied 12% in December for their best month since May 2023, slipped 0.81%.
(Includes stock moves updates at 10.36 pm on Jan 8)
