Most of the water cooler discussion these days among investors discussing the highest-flying stocks continues to be around artificial intelligence stocks, or companies leveraging such technology for growth.

That puts them in precarious positions, where they need to raise cash to continue their research. But a failure to show results jeopardizes their ability to raise cash. One disappointing development and they could find themselves closer to the end of their cash runways than expected.

Rigetti Computing (NASDAQ: RGTI) stock has been on a tear in recent months. Six months ago, the stock was trading at a price of under $1. Now, it is up close to 850%, making it one of the best-performing stocks in the world over the last few quarters.

Quantum computing stocks delivered explosive gains until the start of the year. Investors invested in them as the AI rally pushed most tech-related stocks to record highs, and quantum computing was seen as the next big beneficiary of AI.

IonQ is monetizing its quantum computing systems, but its growth trajectory is a mystery. The stock's valuation could reflect years of growth that haven't happened yet. Various unknowns make IonQ a risky stock with wide-ranging,

IonQ raises $372M through equity offering to secure $700M pro-forma cash balance for 2024, despite market turbulence.