Alphabet is best known for its Google subsidiary and has a market cap of about $2.4 trillion as of this writing. With a valuation of just 23 times forward earnings, there's also a solid case to be made that it is the cheapest of the Magnificent Seven stocks right now.

Quantum computing stocks sank on Wednesday, pausing a year-long rally, after Nvidia CEO Jensen Huang said the technology's practical use was likely two decades away.

Nvidia’s talk of huge market opportunities in autonomous driving and robotics is “potentially comforting for investors thinking about what might come next for the company,” an analyst says.