Is Quantum Computing Leader IonQ Still a Buy After Falling 20%?

Quantum computing stocks landed on investors' radars late last year when Alphabet announced a huge breakthrough with one of its quantum computing chips. This caused a marketwide rally in quantum computing stocks, sending top picks like IonQ (IONQ -6.40%) and Rigetti Computing through the roof.However, these stocks suddenly crashed when a prominent voice in the computing industry said that useful quantum computers were still 15 to 30 years away. That comment came from Nvidia CEO Jensen Huang, who has a stron ...