Pure-plays like IonQ, Rigetti Computing, and D-Wave Quantum remain the most popular opportunities in quantum computing at the moment.For the past three years, investing in artificial intelligence (AI) stocks was reserved almost exclusively for companies designing semiconductors or developing next-generation software.Over the last year, however, a new pocket of the AI landscape has become increasingly popular. Investors are now complementing their core AI positions with quantum computing stocks. As is the ca ...