D-Wave Quantum has emerged as a leader in quantum computing, analysts say, and Wall Street is throwing its support behind the company in a raft of research notes following its latest earnings report.

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.

The company says it has solved the first problem of scientific relevance with a quantum processor faster than could be done with classical computers—but others disagree