The Robinhood phenomenon - how day traders became 20% of US share volumes
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South Africans first heard of the US's new day trading force after seeing embattled Sasol shares surge from R20 to R180 in a matter of weeks. Less spectacular price-wise but far bigger in volumes was a tripling in the Tesla share price - the favourite of stay-at-home traders who now drive 20% of the total turnover in US stock markets. Charlie Turner and Michael Wursthorn of our partners at the Wall Street Journal take a look at the new phenomenon that is massively distorting US share prices....