Shares of Quantum Computing (QUBT 26.24%) are surging on Tuesday, up 4.2% as of 2:52 p.m. ET but up as much as 22.7% earlier in the day. The jump comes as the S&P 500 and the Nasdaq Composite both had modest gains.

Though there isn't a specific catalyst for the company today, positive news from another quantum company is bleeding into all quantum stocks.

IonQ is buying Oxford Ionics

In a deal worth more than $1 billion, Quantum Computing's rival, IonQ, is purchasing the U.K.-based Oxford Ionics. The move will combine IonQ's hardware and software with Oxford Ionics' advanced semiconductors to further the company's quest to create a viable commercial quantum computer. As CEO Niccolo De Masi put it, the move allows the company to "set a new standard within quantum computing."

Investor enthusiasm spilled over into other quantum stocks, a relatively common occurrence for the nascent industry. As we've seen this year, positive news for one company is often taken as positive news for the whole field.

An American flag computer chip.

Image source: Getty Images.

A long road ahead

While this could help drive the technology forward, investors need to remain clear-eyed on how far away the industry is from delivering on the technology's promise. A truly commercially viable quantum computer could be more than a decade away. It could be even further away. It will be quite a long time before any company is able to produce a solution that is robust, powerful, and stable enough to generate a return on investment.

These quantum stocks, including Quantum Computing, are reaching valuations that make me nervous at this point in the technology's lifecycle. I would only consider investing if you have a particularly high risk tolerance. You need to be comfortable with waiting a decade or more for your investment to pay off and recognize that it's possible it never does.