That sets the table for continued growth over the coming years. Analysts estimate that Nvidia will grow earnings by an average of 38% annually for the next three to five years. Today, Nvidia trades at a forward P/E ratio of 51, a rock-solid value for its anticipated growth.

Most artificial intelligence ETFs have portfolios concentrated in stocks like Nvidia and Microsoft. The Ark Autonomous Technology & Robotics ETF is an actively managed ETF. Top holdings include several smaller AI stocks many investors aren’t familiar with.

Last year was fantastic for the markets in general, but the index that really stood out was the Nasdaq. The Nasdaq, heavily weighted in technology companies, surged as investors piled into the industry's hottest new area: artificial intelligence (AI) stocks.