IBM answered quantum computing trust problems with three verified results. Read why the technical breakthrough failed to move its stock on Wall Street.

Mitigating a major risk could have positive consequences.

The truth is less dramatic. There are three ways that AI and quantum computers overlap: first, in the problems they try to solve; second, in the way each can be used to build the other; and third, in the resources for which they are competing. And in each of those, co-operation seems to be the winning strategy.

The only snag was that “Shor’s algorithm”, as it is now known, required something that at the time only existed on university blackboards: a quantum computer. Chart: The Economist These days, quantum computers—which exploit quantum mechanics to perform some calculations far faster than ordinary computers—not only exist,

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Quantum computing stocks have shed billions in market cap over the past month, and upcoming earnings reports plus a high-stakes acquisition closing could either stop the bleeding or accelerate it.

Quantum computing's biggest challenge isn't speed - it's proving results are correct. Here's why verification matters more than any benchmark.