Robinhood Craze Born in America Now Moves Stocks Everywhere (1)

Dirt cheap, automated on apps and championed by newbie traders who brandish their broker balances on Twitter, the stuck-at-home trading phenomenon, born in the USA, has become a global craze.

Retail’s tentacles are everywhere. In the U.K, tax-free savings account openings at Interactive Investor jumped 238% for investors between 25 and 34 years of age in April and May. In India, newly minted day traders are crowing after falling in love with stocks that trade below 7 U.S. cents apiece and riding most of them straight up. Small-time investors in Moscow bought almost twice as many Russian shares in June ...