FILE - In this July 21, 2020 file photo, people walk by the New York Stock Exchange.  Stocks are drifting in early Friday, Aug. 14, trading on Wall Street after a report showed that sales for U.S retailers strengthened again last month, but by less than economists expected. (AP Photo/Mark Lennihan, File)
The New York Stock Exchange building. Analysts have attributed rallies of 300-500% in the stock prices of bankrupt companies like Hertz and Chesapeake Energy to people trading on the robinhood app. APShow more

Robinhood raises $200m in funding round that values it at $11.2bn