IonQ Stock Skyrockets on Quantum Breakthrough – Bubble or Boon?
IonQ shares closed at $82.59 on Oct. 13, 2025, up nearly 17% after announcing a quantum chemistry breakthrough. The stock has surged about 75% year-to-date and roughly 700% over the past year, pushing market value to $21–22 billion. IonQ raised over $3 billion in 2025, including a $2 billion equity offering in October. Analysts remain split, with some warning of a potential 60%+ decline.