Cathie Wood's ARK Innovation ETF (NYSEMKT: ARKK) invests in companies that have massive potential to benefit from breakthroughs in disruptive innovation, specifically in fields like genomic sequencing, gene editing, and artificial intelligence.

Of course, great opportunity doesn't come without risks. With that in mind, let's look at three businesses in her ETF with great potential -- as well as some challenges -- to consider buying and holding for the next decade. Each of these three stocks accounts for between 4% and 5% of ARK's total holdings.

Teladoc Health's (NYSE: TDOC) claim to fame is its flagship telehealth service, which uses its digital platform to connect subscribers to healthcare professionals like doctors via a phone call or video call. 

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Source Fool.com