Close-up of a quantum computing chip. Key Points The quantum computing industry is still in its developmental stage, with no clear winners in terms of profitability. After selloffs this fall interrupted a major rally, some investors have sought to trim exposure to the industry. Choosing between leading candidates like D-Wave, Rigetti, IonQ, and Quantum Computing will depend on risk tolerance and whether an investor might prioritize cash position, revenue performance, technological advances, or other co ...