Rigetti Computing stock has surged roughly 500% over the last year, but another quantum-computing stock could be a better buy.Rigetti Computing (RGTI 3.87%) has emerged as a hot pure play in the quantum computing space, and buy-and-hold investors have scored incredible wins with the stock. Over the last year alone, the company's share price is up roughly 300%. Over the last three years, the stock is up approximately 2,540%. Rigetti Computing has been reporting some significant technological progress for its ...