Is this stock really a bargain, though?Cathie Wood has developed a strong following among investors for anticipating digital trends that accelerated early in the pandemic. The Ark Invest chief often takes a contrarian position on stocks, and the exchange-traded funds (ETFs) she manages tend to focus on companies that are creating and spreading disruptive technology.She has been a fan of e-commerce platform operator Shopify (SHOP -1.16%) for a long time, but over the past year, she has been cutting her ETFs' ...