That places Amazon stock at a price-to-earnings ratio (P/E) of 40.9. It's still a premium to the Nasdaq-100 index, which represents all of Amazon's big-tech peers and trades at a P/E of 33.8. However, the picture looks a little different when we consider the company's potential.

Because of that, Nvidia, perhaps the largest player in the graphics card market, has seen its products’ popularity explode. Apple has had success with its M-series chips for its Macs and iPads.

Apple (NASDAQ:AAPL) and Nvidia (NASDAQ:NVDA) are two of the largest companies you can invest in today, making them two of the most common standalone investment vehicles. Warren Buffett ...