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

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

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.

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

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- ...

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

Shares of quantum computing pure-play stocks IonQ, Rigetti Computing, and D-Wave Quantum have catapulted higher by as much as ...

D-Wave Quantum ( QBTS) and Davidson Technologies said that D-Wave’s Advantage2 quantum computer is now operational to address ...

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

Gov. JB Pritzker spoke Monday at the 8th annual Chicago Quantum Summit, which focuses on computing, communication, and ...

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.

Quantum computing has become a hot, fast-moving sector, with various investments made in the field alongside significant ...