B. Riley Securities analyst Craig Ellis downgraded Rigetti to Neutral from Buy and raised his price target on the stock to ...

The uncertainty inherent to quantum mechanics has long left physicists wondering whether the observations we make on the ...

A rising tide tends to lift all boats. But in the quantum computing megatrend, some companies are rising higher than others.

Alphabet is a leader in the quantum computing arms race. It has nearly unlimited resources compared to some of its ...

Qubits differ from classical bits, which are coded as only 0 or 1. A qubit can be a combination of both 0 and 1 simultaneously. One way to think of it is as a coin spinning between a 0 and a 1 axis.

Elon Musk says Alphabet's achievement is making quantum computing more relevant. Despite Google's progress, other quantum ...

Maybe none of these quantum computing stocks will make you a millionaire. But one might be the best-positioned to do so.

IBM (IBM): The superconducting-qubit leader is now pushing for an algorithmic edge that reduces cost on hard math. Alphabet/Google ( GOOGL ): Its quantum AI division just hit breakthrough error- ...

Miss Catherine Mora explains the Quantum Realm! Discover the subatomic dimension, creatures, Kang the Conqueror, and its ...

What's the best quantum computing stock play right now for investors? Seeking Alpha investors weigh in with their picks. Read more here.

AI focuses on learning patterns from data to make decisions; quantum computing focuses on raw computational power for complex problems like molecular simulation and code-breaking.

Crane Harbor Acquisition Corp (NASDAQ:CHAC) rose Monday after the company announced a merger deal with Xanadu Quantum Technologies to form a dedicated photonic quantum computing firm.