The quantum computing stock is still a divisive investment.IonQ (IONQ 3.00%) has been a volatile and divisive stock ever since its public debut. The provider of quantum computing services went public by merging with a special purpose acquisition company (SPAC) on Oct. 1, 2021, and its stock started trading at $10.60 before nearly tripling to a record high of $31 on Nov. 17, 2021.But today, IonQ's stock trades at about $8. It lost its luster as it missed its own pre-merger estimates, its co-founder and chief ...