Quantum computing could be the next big thing in tech after artificial intelligence (AI). If you want ideas about which stocks to buy now and hold for the long haul, here are two companies where quantum computing could eventually move the needle.

Quantum computing stocks advanced on Thursday after Microsoft launched a new chip that indicated the technology is not "decades away" as stated by the top boss of AI chip bellwether Nvidia.

D-Wave, Rigetti, and Quantum Computing Inc. are enjoying yet another market boost in the wake of a major announcement from tech giant Microsoft. The stock prices of quantum computing companies are surging in premarket trading this morning after Microsoft unveiled a new type of quantum computing chip yesterday,