IonQ (IONQ) is one of the most high-profile names in the emerging quantum computing space, but not everyone is convinced about its long-term potential. Kerrisdale Capital, a well-known short-selling firm,

Shares in major quantum computing firms dropped on Thursday after an announcement from Nvidia chief Jensen Huang. It’s not the first time. Quantum computing stocks got pummeled yesterday, with the four most prominent public quantum computing companies—IonQ,

Investing is sometimes about weighing the potential reward versus the risks involved. Sure, IonQ could become a powerhouse in quantum computing. The issue is that the stock is already valued as if it's a given when it's not. If things don't work out as investors hope, the stock has an immense downside from its current price.