Quantum computing is hot right now. Shares of pure play quantum computing stocks have been soaring, and the hype train has clearly left the station. Investors should know, however, that quantum computers have never been used to solve a real-world problem faster than a traditional computer and that useful quantum computers could very well be decades away.

Trapped-ion quantum computing leader IonQ (NYSE: IONQ) is emerging as a potential leader in the commercialization of quantum computing through its trapped-ion technology approach. Unlike traditional superconducting quantum competitors,

Rigetti (RGTI) is dropping 23%, while IonQ (IONQ) is giving back 10% and D-Wave Quantum (QBTS), which disclosed today that it may sell more shares of its stock, is plunging nearly 30%. The sector is dropping sharply again after Meta (META) CEO Mark Zuckerberg suggested that quantum computing would not be “practical” for a long time.

Quantum Computing (NASDAQ: QUBT), and Rigetti Computing (NASDAQ: RGTI) were tumbling again on Monday for the second time in just three sessions after Meta Platforms CEO Mark Zuckerberg added his name to the growing chorus of skeptics on the new technology.

The stock market roared higher last year, and some of the biggest gainers operate in one specific field: artificial intelligence (AI). The technology promises to revolutionize many industries -- from healthcare to automobiles -- with innovations such as AI-powered medical devices and autonomous driving systems.