

Representative Alexandria Ocasio-Cortez, Democrat of New York, called Robinhood’s move “unacceptable.” Robinhood, which has attracted millions of millennials to trade on its platform by eliminating trading fees and making stock trading easy, had said Thursday morning that it would limit buying of the kinds of securities that have sparked an enormous rally in shares of GameStop, the video game retailer at the heart of the frenzy, and AMC Entertainment Holdings, the movie theater chain, and a number of other companies. “We’ll continue to monitor the situation and may make adjustments as needed.” “Starting tomorrow, we plan to allow limited buys of these securities,” Robinhood, a popular trading app, said. Several retail stockbrokers, including Robinhood, said they would allow trades of GameStop and other volatile companies after restricting customers’ ability to purchase securities earlier in the day. A protest on Thursday at Robinhood’s headquarters in Menlo Park, Calif., after the stock-trading app said it would limit trades of GameStop.
