The stock commonly rises and falls dramatically. Quantum computing stocks ... but is it worth buying here? Image source: Getty Images. Although Rigetti Computing had a great month, it's still down ...

The stock currently trades at a forward price-to-earnings ratio (P/E) of under 23 times this year's analyst estimates and a 0.44 price/earnings-to-growth (PEG) ratio, with numbers below 1 being ...