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Key Takeaways D-Wave and other quantum computing stocks soared Wednesday after the company claimed to achieve a breakthrough.D-Wave said its quantum computer outperformed one of the world's most powerful classical supercomputers.

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.

Shares of some quantum computing companies rallied on Thursday, adding to gains from the previous session and bucking the broader market's trend after D-Wave Quantum forecast stronger-than-expected quarterly revenue.

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.

D-Wave Quantum, Inc. (QBTS) shares rallied Wednesday afternoon when they reopened for trading after a brief halt, as investors cheered a breakthrough that underlined the company’s quantum computing prowess.