This news seems to be fueling continued spike in Quantum stocks. As a casual observer I am curious if there been a breakthrough over the last few months that s

This news seems to be fueling continued spike in Quantum stocks. As a casual observer I am curious if there been a breakthrough over the last few months that suddenly increases the practicality of this technology? Edit: https://www.marketwatch.com/story/stocks-to-watch-quantum-computing-arqit-quantum-d-wave-quantum-defiance-quantum-f9a8c416 https://www.marketwatch.com/story/stocks-to-watch-quantum-co...