Julia Chatterley is live from New York. Here are the top business news stories today! GameStop, game on! RobinHood reopens trading with limited buying but is all trust lost? Vaccine latest - Johnson & Johnson says their vaccine is 66% effective against moderate to severe Covid cases. Political unity! Bipartisan calls to investigate RobinHood trading app. It\u2019s Friday, let\u2019s make a move.\nTo learn more about how CNN protects listener privacy, visit cnn.com/privacy\nLearn more about your ad choices. Visit megaphone.fm/adchoices