$D-Wave Systems Inc.(QBTS)$ $Quantum Computing Inc.(QUBT)$ $IONQ Inc.(IONQ)$ 

Disclaimer: Investing in stocks, especially in a rapidly evolving field like quantum computing, involves significant risk. It's crucial to conduct thorough research or consult with a financial advisor before making any investment decisions.

That said, here are a few companies that are considered strong contenders in the quantum computing space, and their respective stocks could potentially offer significant growth:

IonQ (IONQ):

Known for its trapped-ion quantum computing technology.

Has partnerships with major tech giants like Amazon, Microsoft, and Google.

Focuses on practical applications of quantum computing.

Rigetti Computing (RGTI):

Develops both quantum hardware and software.

Has a strong focus on quantum algorithms and applications.

Pioneered the development of superconducting quantum processors.

D-Wave Systems (QBTS):

A pioneer in quantum annealing, a specialized form of quantum computing.

Has a strong customer base, including major corporations and government agencies.

Focuses on optimization problems.

Quantum Computing Inc. (QUBT):

Develops quantum computing software and algorithms.

Has a strong focus on practical applications, such as drug discovery and materials science.

Remember, while these companies have strong potential, the quantum computing industry is still in its early stages. Factors like technological advancements, market adoption, and regulatory changes can significantly impact stock prices.

It's essential to stay updated on the latest developments in the quantum computing industry and to diversify your investments.