Better Quantum Computing Stock: Rigetti Computing or IonQ?

Quantum computing stocks are still quite hot in the market, although their week-to-week performance can be incredibly volatile. For example, one of the more popular quantum computing plays, Rigetti Computing (RGTI -3.12%), set a new all-time high right at the end of 2024, but plunged 70% just a few weeks into 2025. Now, it's only off around 40% from its all-time high. One of its peers, IonQ (IONQ -2.28%), has also seen extreme volatility, although not quite the same level as Rigetti.Of these two, is one a m ...