Why D-Wave Stock Jumped Today

D-Wave's stock just spiked on fresh artificial intelligence (AI) news, but its sky-high valuation and limited revenue suggest quantum optimism may be running ahead of reality.Shares of D-Wave Quantum (QBTS 6.75%) spiked on Tuesday, finishing the day up 6.8%, but had jumped as much as 11.6% earlier in the day. The rise came as the S&P 500 (^GSPC -0.49%) and Nasdaq Composite (^IXIC -0.65%) lost 0.5% and 0.7%, respectively.D-Wave, a company developing quantum computing technology, announced the launch of a sui ...