Quantum computing is getting some attention from investors -- a nice change of pace from the relentless onslaught of artificial intelligence (AI) developments over the past couple of years. Alphabet's Google recently announced a significant breakthrough with its Willow quantum chip related to error correction, and pure-play quantum computing stock IonQ (IONQ 7.89%) has seen its stock rocket higher over the past few months.IonQ builds quantum computers and develops quantum networking technology. While the co ...