Why IonQ Stock Is Falling Today

IonQ stock started Thursday's trading with an explosive gain -- but now it's down for the session.IonQ (IONQ -0.52%) stock has been on a roller-coaster ride so far in Thursday trading. After rising by as much as 13% early, the quantum-computing company's share price was down by 1.3% as of 12:30 p.m. ET. Meanwhile, the S&P 500 and Nasdaq Composite indexes were both up 0.2%.IonQ stock initially gained ground following bullish coverage from DA Davidson. However, the stock has been highly volatile amid the mark ...