Four decades ago, physicists were theorizing that the mind-bending mechanics of quantum physics could be harnessed to make a new kind of computer that’s exponentially more powerful than conventional machines.

IonQ is a standout in the quantum stocks market, with strong revenue, tech partnerships, and projected growth leading to a target price of $126. See more here.

Alphabet's subsidiary Google is primarily known for its dominant presence among internet search tools. However, Google has a lot of special projects behind the scenes that rarely make it into the spotlight. One such area is quantum computing, in which Google has made some notable progress over the last several years.

The U.S. stock market has delivered remarkable returns over the past five years, with the S&P 500 achieving double-digit gains in four of those years. While artificial intelligence (AI) and specialized semiconductor chips have largely powered this bull market, many leading tech companies now command premium valuations that may give investors pause.