Admittedly, trying to ponder stocks that might become worth more than Nvidia may seem unimaginable. When demand for AI accelerators surged out of nowhere, so did Nvidia stock, and it is now a stock with a $3.85 trillion market cap, the world's largest.

Nvidia reclaimed the top spot among the most valued companies worldwide in June, as its shares were supported by renewed optimism over its leadership in artificial intelligence and expectations of surging demand for its AI chips.

The AI trade has reignited in recent weeks, putting the semiconductor designer on the brink of a $4 trillion valuation.