IonQ Stock Slides as Quantinuum’s $17.6 Billion Debut Puts Quantum Bets on the Spot
IonQ shares fell 1.4% to $67.26 after rival Quantinuum’s Nasdaq debut at $68 per share and a $17.63 billion valuation, giving investors a new benchmark for quantum-computing stocks; IonQ’s market cap remains higher at just under $25 billion despite commercial adoption risks and high development costs.