IonQ stock roared more than 18% higher today thanks to some positive acquisition news.IonQ (IONQ 18.36%) stock closed out this week's trading with a round of explosive gains. The quantum computing company's share price rose 18.3% in Friday's daily trading session. Meanwhile, the S&P 500 fell 0.1%, and the Nasdaq Composite gained 0.4%.IonQ's valuation bounded higher today following news that the company's planned acquisition of Oxford Ionics had been approved by the UK Investment Security Unit (ISU). The app ...