 We are coming up to 5.30 on Wall Street. Good morning. I'm Nathan Hager. And I'm Karen Moskow. We are just about four hours away from the open of U.S. trading. Let's get you up to date on the news you need to know at this hour. We begin with the major tech outage that is disrupting services at airlines, banks, and financial service companies. We get an update from Bloomberg's Denise Pellegrini.