IonQ ( IONQ 10.84%) stock posted big gains in Friday's trading. The quantum-computing company's share price closed out the daily session up 10.8% amid a bullish backdrop for the broader market. The S&P 500 index's level climbed 1.2% in the daily session, and the Nasdaq Composite index rose 1.7%.

The stock price of IonQ Inc. (NYSE: IONQ), a quantum computing company, is up a whopping 500% in the last six months.

IonQ is a viable business that generates a modest amount of revenue. However, the company isn't profitable right now, and it doesn't generate positive free cash flow. That puts it stock out of bounds for value investors and even some growth investors.