(BBC)
Amateur investors are responding with outrage after trading platforms curbed buying of shares in the US games firm GameStop and other companies.
The moves by Robinhood and Interactive Brokers follow days of frenzied trading that led to massive gains for some stocks.
Shares in GameStop dived by as much as 55% after the restrictions.
It is the latest twist in a battle that has pitted amateur investors against Wall Street giants.
