How GameStop frenzy has impacted the stock market
02:12The Dow, S&P 500 and Nasdaq all posted big losses on Friday even as GameStop stocks kept surging thanks to amateur investors. Meanwhile, the trading app Robinhood is facing backlash for blocking trades of GameStop shares, which prompted a warning from the SEC against market manipulation. The app has since loosened restrictions. NBC’s Kathy Park reports for Weekend TODAY.