Quantum Computing didn't have any news of its own to report, but the company is even smaller than D-Wave, with less than $1 million in revenue over the last four quarters. Its stock has soared even higher than D-Wave's over the last year, a disconnect that could lead to a continued decline in Quantum Computing's shares.

There are plenty of doubts about the near-term prospects of quantum computing, but on Tuesday, the sector was powering ahead.

D-Wave, Rigetti Computing and Quantum Computing shares are now down by more than half on the year after critical commentary from tech executives.