Cathie Wood is known for taking major positions in speculative opportunities, and three stocks in her portfolio may indicate a new pocket of AI that rarely is spoken about.Cathie Wood mastered an ability to make headline news. Perhaps the biggest reason for this is due to her high-conviction stances in otherwise risky and speculative opportunities.Wood is the CEO of Ark Invest, an investment management firm offering a series of exchange-traded funds (ETFs) that are mostly comprised of businesses in emerging ...