Quantum computing might be the next tech megatrend.Growth investors are always on the lookout for the next possible tech megatrend that has the potential to create life-changing wealth for those who buy in early. If the more optimistic projections are accurate, quantum computing could be that next trend, and it could start delivering on its promise within the next five years. D-Wave Quantum (QBTS 8.76%) is one of a number of publicly traded pure-play quantum computing specialists trying to make a name for t ...