President Trump calls off military strike on Iran, Slack shares soar on its first day of trade, Facebook and Twitter get set for 2020 Democrat debates

Julia Chatterley is live from the New York Stock Exchange. Here are the top business stories for today! Mission aborted - President Trump calling off a planned military strike on Iran. No slacking - the messaging platform shares do the work, soaring on its first day of trade. And -- taking on the trolls! Facebook and Twitter get set for the 2020 Democrat debates. It's Friday....let's make a move.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices