Key Points IBM has booked $1 billion in cumulative quantum business since 2017, with clear milestones to achieve fault-tolerant systems by 2029. Pure-play quantum stocks trade at rich revenue multiples, while IBM offers quantum exposure within a profitable enterprise business. The quantum computing market is expected to reach $7.3 billion by 2030; however, most companies are unlikely to see meaningful revenue until late this decade. 10 stocks we like better than International Business Machines › Q ...