The Ark Fintech Innovation ETF is an actively managed ETF offered by Cathie Wood 's Ark Invest. Most ETFs are index funds, meaning that they track some underlying index of stocks. On the other hand, an actively managed ETF has portfolio managers choosing stocks and their weightings within the fund, with the goal of beating a benchmark index.

If you follow Cathie Wood at all, you know the chief of Ark Investment Management loves to double down on her stock positions when they decline. And that’s exactly what she did this week. Investors and analysts are split in their opinions of Wood,

Investors can own a slice of top artificial intelligence companies like Tesla, Nvidia, and Alphabet with this Ark Invest exchange-traded fund.

Amid the current artificial intelligence (AI) boom, a similar pattern could be developing. Already, several AI companies have split their shares, and more splits could be on the way among the others that are trading at lofty prices.