Based on the forecast of one Wall Street analyst, two of the hottest quantum computing stocks could plummet by 54% and 80%, respectively. History, utility, and operating performance are all headwinds for high-flying quantum computing stocks.

Trapped-ion quantum computing leader IonQ (NYSE: IONQ) is emerging as a potential leader in the commercialization of quantum computing through its trapped-ion technology approach. Unlike traditional superconducting quantum competitors,

In a highly speculative quantum computing market, it is judicious for investors to take a wait-and-watch approach before investing in Rigetti and IonQ stocks.

Many quantum computing stocks have risen well above Wall Street's price targets, but this one still has room to climb.