Tech Stocks Rally as Small Investors Buy Fractions of Shares

Services from Robinhood, Fidelity, and others are making it easier to buy slivers of shares on the stock market. Our reporter Alexander Osipovich joins us to explain how that's democratizing trading - and how it could be helping to drive up shares of major tech companies. Amanda Lewellyn hosts. Kateri Jochum is the executive producer of WSJ Podcasts. Learn more about your ad choices. Visit megaphone.fm/adchoices